Intelligent networked automobile driving data collecting and recording device

Abstract

The invention discloses an intelligent networked automobile driving data collecting and recording device, relates to the technical field of intelligent networked automobiles, and aims to solve the problems that in the prior art, equipment stability is poor, and reliability of data collection is difficult to guarantee. The intelligent networked automobile driving data collecting and recording device comprises a core processing unit, a peripheral module, a shell and an interface assembly; the core processing unit is composed of a micro-control unit and a system-on-chip, the micro-control unit is used for receiving and transmitting bus data of a controller area network and managing a power supply, and the system-on-chip is used for processing, storing and transmitting CAN data and video data; the peripheral module comprises a real-time clock chip, a global positioning system module, a solid state disk and a fourth-generation mobile module, and is used for providing time recording, information positioning, data storage and remote transmission functions; the shell is made of aluminum alloy, and the surface of the shell is subjected to high-temperature plastic spraying treatment. The device has the advantage that the operation stability of the device in a complex vehicle-mounted environment and the reliability of data acquisition are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent connected vehicles, and more specifically, to a driving data acquisition and recording device for intelligent connected vehicles. Background Art

[0002] Intelligent connected vehicles are in a crucial stage of rapid development in today's transportation field. The continuous improvement of their functions and the progress towards full - fledged driverless driving highly rely on a large amount of accurate test research. In this process, the effective acquisition and recording of test data have become the core requirements for realizing the function iteration of intelligent connected vehicles and improving the autonomous driving function.

[0003] Currently, the acquisition of intelligent connected vehicle test data involves multiple sensors, such as cameras, high - precision positioning devices, millimeter - wave radars, and lidar. Existing conventional acquisition schemes mainly rely on industrial control computers to complete the acquisition and storage of sensor data by integrating various boards such as video, positioning, and CAN buses. However, this traditional scheme still has drawbacks, such as poor adaptability to in - vehicle use environments, resulting in poor equipment stability and difficulty in guaranteeing the reliability of data acquisition. In view of this, we propose a driving data acquisition and recording device for intelligent connected vehicles. Summary of the Invention

[0004] The purpose of the present invention is to provide a driving data acquisition and recording device for intelligent connected vehicles, aiming to solve the problems in the prior art that lead to poor equipment stability and difficulty in guaranteeing the reliability of data acquisition.

[0005] To solve the above - mentioned technical problems, the present invention provides the following technical solution: A driving data acquisition and recording device for intelligent connected vehicles, comprising a core processing unit, a peripheral module, a housing, and an interface component;

[0006] The core processing unit is composed of a micro - control unit and a system - on - chip. The micro - control unit is used for the data transceiver of the controller area network bus and power management, and the system - on - chip is used for the processing, storage, and transmission of CAN data and video data;

[0007] The peripheral module includes a real - time clock chip, a global positioning system module, a solid - state drive, and a fourth - generation mobile module, which are used to provide time recording, positioning information, data storage, and remote transmission functions;

[0008] The housing is made of aluminum alloy and its surface is treated by high - temperature plastic spraying;

[0009] The interface component includes an 8-channel camera interface, a 40P main connector, an RJ45 interface, a GPS antenna, a 4G antenna, and a WIFI antenna provided on the front of the housing. On its right side, there are also an SD card slot, an HDMI interface, two USB interfaces, and a debugging interface. The device also has eight dual-color indicator lights.

[0010] Preferably, the micro control unit and the system-on-chip are connected through a high-speed bus, and the transmission rate of the high-speed bus is not less than 100 Mbps to achieve fast and stable data interaction between the two.

[0011] Preferably, the solid-state drive adopts NVMe storage technology, has seismic resistance, a storage capacity of not less than 512 GB, and data read and write speeds of not less than 3000 MB / s and 2500 MB / s respectively.

[0012] Preferably, the 4G module supports carrier aggregation technology and can achieve a maximum download speed of 300 Mbps and an upload speed of 100 Mbps to ensure high-speed remote data transmission.

[0013] Preferably, it further includes heat dissipation fins, which are integrally formed with the housing, and the area of the heat dissipation fins accounts for more than 30% of the surface area of the housing to effectively dissipate the heat generated during the operation of the device.

[0014] Preferably, it further includes a data cache module, which uses a high-speed cache chip with a cache capacity of 128 MB to temporarily store data during data processing and transmission to avoid data loss or processing delay.

[0015] Preferably, the RJ45 interface supports the POE function and can provide a power supply of 30W to the connected device, facilitating the connection and use of external devices.

[0016] Preferably, it further includes an acceleration sensor and a gyroscope sensor for monitoring the motion state of the vehicle, collecting the acceleration and angular velocity data of the vehicle, and performing fusion processing on these data with other sensor data.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In the present invention, the core processing units have clear division of labor. The micro control unit is responsible for CAN bus data transceiver and power management, and the system-on-chip is responsible for data processing, storage, and transmission. The two are connected through a high-speed bus with a transmission rate of not less than 100 Mbps to ensure fast and stable data interaction. The solid-state drive adopts NVMe storage technology, has seismic resistance, fast read and write speeds, and can reliably store a large amount of data, overall improving the stability of the device in a complex vehicle environment and the reliability of data acquisition.

[0019] 2. In the present invention, the system-on-chip undertakes key tasks such as data processing, and in combination with solid-state drives with read and write speeds not lower than 3000MB / s and 2500MB / s respectively, realizes efficient data processing and storage. The 4G module supports carrier aggregation technology, with a maximum download speed of 300Mbps and an upload speed of 100Mbps, ensuring high-speed remote data transmission. At the same time, the data cache module adopts a 128MB high-speed cache chip to avoid data loss or processing delay, ensuring the efficiency of data processing and transmission.

[0020] 3. In the present invention, the housing is made of aluminum alloy and undergoes high-temperature plastic spraying treatment, which is not only durable but also beautiful. The heat dissipation fins are integrally formed with the housing, and the area accounts for more than 30% of the surface area of the housing, effectively dissipating the heat generated during the operation of the device and adapting to the high-temperature vehicle environment. The selected components such as chips and modules are suitable for the vehicle environment, overall enhancing the adaptability of the device to complex vehicle environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the data acquisition and recording device in the present invention;

[0022] Figure 2 is a hardware architecture diagram of the data acquisition and recording device in the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1

[0025] An intelligent networked vehicle driving data acquisition and recording device includes a core processing unit, a peripheral module, a housing, and an interface component;

[0026] The core processing unit consists of a microcontroller unit and a system-on-chip. The microcontroller unit is used for controller area network bus data transceiver and power management, and the system-on-chip is used for the processing, storage, and transmission of CAN data and video data;

[0027] The peripheral module includes a real-time clock chip, a global positioning system module, a solid-state drive, and a fourth-generation mobile module, which are used to provide functions such as time recording, positioning information, data storage, and remote transmission;

[0028] The housing is made of aluminum alloy and its surface is treated with high-temperature plastic spraying;

[0029] The interface component includes an 8-channel camera interface, a 40P main connector, an RJ45 interface, a GPS antenna, a 4G antenna, and a WIFI antenna arranged on the front of the housing. On its right side, there are also an SD card slot, an HDMI interface, two USB interfaces, and a debugging interface. The device is also equipped with eight dual-color indicator lights.

[0030] The micro-control unit and the system-on-chip are connected through a high-speed bus, and the transmission rate of the high-speed bus is not less than 100 Mbps to achieve fast and stable data interaction between the two.

[0031] The solid-state drive adopts NVMe storage technology, has earthquake resistance performance, a storage capacity of not less than 512 GB, and data read and write speeds of not less than 3000 MB / s and 2500 MB / s respectively.

[0032] The 4G module supports carrier aggregation technology and can achieve a maximum download speed of 300 Mbps and an upload speed of 100 Mbps to ensure high-speed remote data transmission.

[0033] It also includes heat dissipation fins, which are integrally formed with the housing, and the area of the heat dissipation fins accounts for more than 30% of the surface area of the housing, used to effectively dissipate the heat generated during the operation of the device.

[0034] It also includes a data cache module, which uses a high-speed cache chip with a cache capacity of 128 MB, used to temporarily store data during data processing and transmission to avoid data loss or processing delay.

[0035] The RJ45 interface supports the POE function and can provide a power supply of 30 W for the connected device, facilitating the connection and use of external devices.

[0036] It also includes an acceleration sensor and a gyroscope sensor, used to monitor the motion state of the vehicle, collect the acceleration and angular velocity data of the vehicle, and fuse these data with other sensor data.

[0037] Specifically, the core hardware architecture is jointly composed of a micro-control unit and a system-on-chip. The micro-control unit is mainly responsible for the reception and transmission of Controller Area Network (CAN) bus data, and at the same time is responsible for power management, precisely controlling the power supply of the device to ensure the stable operation of each component. The system-on-chip focuses on the processing, storage, and transmission of CAN data and video data, and its powerful data processing ability ensures the efficient processing of a large amount of complex data.

[0038] The device is also equipped with a variety of practical peripherals. For example, a real-time clock chip is used to accurately record the time of data acquisition, providing an accurate timestamp for subsequent data analysis. The global positioning system module realizes the precise positioning of the vehicle, obtaining the location information of the vehicle. The solid-state drive has a large-capacity storage feature, used to reliably store a large amount of test data. The fourth-generation mobile module facilitates the remote transmission of data, enabling real-time sharing and remote monitoring of data. In addition, a WiFi module is integrated, making it convenient to perform data transmission and device configuration in areas covered by wireless networks.

[0039] Moreover, the device is small and compact, facilitating installation in the limited space inside the vehicle. There are 8 camera interfaces on the front, used to connect multiple cameras to achieve visual data acquisition from multiple angles. At the same time, it is equipped with a 40P main connector and an RJ45 interface, facilitating data transmission and communication with other devices. It also integrates a GPS antenna, a 4G antenna, and a WIFI antenna to ensure stable signal reception and transmission. On the right side, there are an SD card slot, an HDMI interface, 2 USB interfaces, and a debugging interface, facilitating extended storage of data, high-definition video output, connection of external devices, and device debugging. The device also has 8 dual-color indicator lights, used to intuitively display the working state of the device, such as the data acquisition state and the network connection state. The housing is made of aluminum alloy, which not only has good heat dissipation performance but also can effectively protect the internal electronic components. The surface is treated with high-temperature plastic spraying, enhancing the corrosion resistance and aesthetics of the housing. The connector markings are laser engraved, clear and durable, facilitating installation and maintenance.

[0040] The embodiments disclosed in the present invention are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of the present invention, they are within the protection scope of the present invention.

Claims

1. A driving data collection and recording device for an intelligent network-connected vehicle, characterized in that: It includes a core processing unit, peripheral modules, a housing and interface components; The core processing unit is composed of a microcontroller unit and a system-level chip, wherein the microcontroller unit is used for data transmission and reception of the controller area network bus and power management, and the system-level chip is used for processing, storing and transmitting CAN data and video data; The peripheral modules include a real-time clock chip, a global positioning system module, a solid-state hard disk and a fourth-generation mobile module, which are used to provide time recording, positioning information, data storage and remote transmission functions; The shell is made of aluminum alloy, and the surface is treated with high-temperature plastic spraying; The interface component includes an 8-way camera interface, a 40P main connector, an RJ45 interface, a GPS antenna, a 4G antenna and a WIFI antenna on the front of the shell, and an SD card slot, an HDMI interface, a 2-way USB interface and a debugging interface on the right side. The device is also equipped with 8 dual-color indicator lights.

2. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: The micro control unit and the system-level chip are connected via a high-speed bus, and the transmission rate of the high-speed bus is not less than 100 Mbps, so as to achieve fast and stable data interaction between the two.

3. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: The solid-state drive adopts NVMe storage technology, has shock-resistant performance, a storage capacity of not less than 512GB, and data reading and writing speeds of not less than 3000MB / s and 2500MB / s respectively.

4. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: The 4G module supports carrier aggregation technology, which can achieve a maximum download speed of 300Mbps and an upload speed of 100Mbps to ensure high-speed long-distance transmission of data.

5. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: It also includes heat dissipation fins, which are integrally formed with the shell, and the area of ​​the heat dissipation fins accounts for more than 30% of the surface area of ​​the shell, and is used to effectively dissipate the heat generated when the device is working.

6. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: It also includes a data cache module, which uses a high-speed cache chip with a cache capacity of 128MB, and is used to temporarily store data during data processing and transmission to avoid data loss or processing delays.

7. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: The RJ45 interface supports the POE function and can provide 30W of power supply to the connected device, making it convenient for the connection and use of external devices.

8. The intelligent network-connected vehicle driving data collection and recording device according to claim 1, characterized in that: It also includes an acceleration sensor and a gyroscope sensor, which are used to monitor the vehicle's motion state, collect the vehicle's acceleration and angular velocity data, and fuse these data with other sensor data.

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