Driving behavior analysis system positioning terminal fused with inertial navigation technology and server

Abstract

The utility model discloses a driving behavior analysis system positioning terminal fused with an inertial navigation technology and a server. The positioning terminal is connected with the server through a preset communication mode. The positioning terminal comprises an MCU processor used for controlling operation, a 4G module used for remote data transmission, a positioning module used for position data acquisition, a Flash module used for data storage and a six-axis acceleration gyroscope sensor used for detecting the posture and speed of a vehicle. The I / O interface is used for collecting state information of a vehicle driving system and transmitting the information to the MCU processor, the Debug interface is used for debugging or upgrading, the serial port is used for external connection, the standby battery is used for providing emergency power supply for the MCU processor, the power supply is used for supplying power to the MCU processor and the standby battery, and the key is used for controlling on or off. The indicating lamp is used for displaying the state of the MCU processor; and sustainable positioning, track, speed and direction data of indoor, basement and tunnel can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile positioning, in particular to a driving behavior analysis system positioning terminal and a server integrating inertial navigation technology. Background Art

[0002] With the popularity of cars in people's daily lives, different sensors used in cars can detect the status of different positions on the vehicle and view various data dynamics of the car in real time.

[0003] Numerous AI algorithms for driving behavior analysis are now available on the market, such as those used in ADAS systems. However, these products are relatively expensive and difficult to install. Traditional GPS-based vehicle positioning technology has numerous drawbacks, including signal issues, inability to locate indoors, and an inability to accurately determine whether driving behavior is problematic. Therefore, practical applications require more precise and reliable positioning and navigation technologies to meet the needs of modern, traditional GPS-based vehicles. Utility Model Content

[0004] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, one purpose of the present invention is to provide a driving behavior analysis system positioning terminal and server that integrates inertial navigation technology, wherein the positioning terminal and the server are connected via a preset communication method;

[0005] The positioning terminal includes: an MCU processor for controlling operation, a 4G module for remote data transmission, a positioning module for acquiring position data, a Flash module for storing data, a six-axis acceleration and gyroscope sensor for detecting the posture and speed of the vehicle, an I / O interface for collecting vehicle driving system status information and transmitting the information to the MCU processor, a debug interface for debugging or upgrading, a serial port for external connection, a backup battery for providing emergency power to the MCU processor, a power supply for powering the MCU processor and the backup battery, a button for controlling on or off, and an indicator light for displaying the status of the MCU processor;

[0006] The 4G module, the positioning module, the Flash module, the six-axis acceleration and gyroscope sensor, the I / O interface, the Debug interface, the serial port, the backup battery, the power supply, the button and the indicator light are connected to the MCU processor.

[0007] Preferably, the MCU processor is STM32 series.

[0008] Preferably, the model of the positioning module is L76.

[0009] Preferably, the positioning module is composed of GPS and Beidou.

[0010] Preferably, there are two indicator lights.

[0011] Preferably, the I / O interface includes: input, output, AD, and 1-wire interfaces.

[0012] Preferably, the 4G module is EC200U model.

[0013] Preferably, the power supply is a 9-36V power supply.

[0014] A server is connected to the positioning terminal through the 4G module.

[0015] The above solution of the utility model includes at least the following beneficial effects:

[0016] The MCU processor has a built-in software algorithm that can fuse the positioning signal of the positioning module and the data of the six-axis accelerometer and gyroscope sensor, and finally output high-precision data after calculation, and transmit it to the server through the 4G module. Compared with traditional terminals, it can achieve sustainable positioning, trajectory, speed, and direction data indoors, in basements, and tunnels, effectively suppress static drift data, output more stable positioning data, and provide more accurate driver driving behavior analysis data.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the principle of a positioning terminal and a server of a driving behavior analysis system integrating inertial navigation technology provided in an embodiment of the present utility model;

[0020] Figure 2 It is a schematic diagram of the principle of providing a positioning terminal in an embodiment of the present utility model.

[0021] Description of Figure Numbers:

[0022] 1. Positioning terminal, 2. Server;

[0023] 101. MCU processor, 102. 4G module, 103. Positioning module, 104. Flash module, 105. Six-axis accelerometer and gyroscope sensor, 106. I / O interface, 107. Debug interface, 108. Serial port, 109. Backup battery, 110. Power supply, 111. Button, 112. Indicator light.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0028] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0029] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0030] The following describes in detail a driving behavior analysis system positioning terminal integrating inertial navigation technology according to an embodiment of the present invention with reference to the accompanying drawings.

[0031] See also Figures 1-2 In this embodiment, the positioning terminal 1 is connected to the server 2 through a preset communication method; the positioning terminal 1 includes: an MCU processor 101 for controlling operation, a 4G module 102 for remote data transmission, a positioning module 103 for acquiring position data, a Flash module 104 for storing data, a six-axis acceleration and gyroscope sensor 105 for detecting the posture and speed of the vehicle, an I / O interface 106 for collecting vehicle driving system status information and transmitting the information to the MCU processor 101, a Debug interface 107 for debugging or upgrading, a serial port 108 for external connection, a backup battery 109 for providing emergency power to the MCU processor 101, a power supply 110 for powering the MCU processor 101 and the backup battery 109, a button 111 for controlling on or off, and an indicator light 112 for displaying the status of the MCU processor 101; the 4G module 102, the positioning module 103, the Flash module 104, the six-axis acceleration and gyroscope sensor 105 for detecting the posture and speed of the vehicle, an I / O interface 106 for collecting vehicle driving system status information and transmitting the information to the MCU processor 101, a Debug interface 107 for debugging or upgrading, a serial port 108 for external connection, a backup battery 109 for providing emergency power to the MCU processor 101, a power supply 110 for powering the MCU processor 101 and the backup battery 109, a button 111 for controlling on or off, and an indicator light 112 for displaying the status of the MCU processor 101; The ash module 104 , the six-axis acceleration and gyroscope sensor 105 , the I / O interface 106 , the debug interface 107 , the serial port 108 , the backup battery 109 , the power supply 110 , the button 111 and the indicator light 112 are connected to the MCU processor 101 .

[0032] In this embodiment, the MCU processor 101 has a built-in software algorithm that can fuse the positioning information of the positioning module 103 and the data of the six-axis acceleration and gyroscope sensor 105, and finally output high-precision data after calculation, and transmit it to the server 2 through the 4G module 102; so that the positioning terminal 1 can achieve sustainable positioning, trajectory, speed, and direction data indoors, in basements, and tunnels; effectively suppress static drift data, output relatively stable positioning data, and provide more accurate driver driving behavior analysis data.

[0033] In this embodiment, the MCU processor 101 is an STM32 series; the 4G module 102 is an EC200U model; the 4G module 102 is controlled by the MCU processor 101, and the MCU processor 101 gives AT commands according to the logic flow of the built-in algorithm, thereby realizing remote transmission of data, so as to upload the collected data, remote commands, and location data to the server 2.

[0034] The model of the positioning module 103 is L76; the positioning module 103 is composed of GPS and Beidou; the location data is obtained through GPS and Beidou positioning, and the obtained data is controlled by the algorithm logic of the MCU processor 101, and the MCU processor 101 converts the data into the latitude and longitude data of the monitored object.

[0035] The Flash module 104 can locate the data of the positioning module 103, the six-axis acceleration and gyroscope sensor 105, the 4G module 102, the log and so on. When the vehicle enters the blind spot, the data cannot be sent in real time. The data will be stored locally and uploaded to the server 2 after the network is restored. At the same time, different alarm information is also stored in the Flash module 104.

[0036] The six-axis acceleration gyroscope sensor 105 can detect three-axis angular velocity and three-axis acceleration and output the data. Through the attitude and inertial navigation algorithm, it is integrated into the satellite navigation system to output error-corrected data to obtain the optimal positioning data results. The algorithm built into the MCU processor 101 can achieve high-precision judgment of vehicle stillness, movement, sudden acceleration, sudden deceleration, and collision alarms in different directions.

[0037] There are two indicator lights 112; the colors emitted by the two indicator lights 112 are green and blue, respectively, and green and blue are used to display the network and positioning status respectively.

[0038] The I / O interface 106 includes input, output, AD, and I-wire interfaces. The input interface is used to detect the status of different vehicle components, such as the engine, doors, seat belts, and air conditioning. The output interface is used for remote on / off control or to link with the input interface status. The AD interface is used for voltage digital input. The I-wire interface is connected to iButton and temperature sensor detection.

[0039] In this embodiment, the model of the serial port 108 is RS232 / RS485.

[0040] The capacity of the backup battery 109 is 400 mA. When the device does not have an external power supply 110 , the MCU processor 101 can be connected to enable the MCU processor 101 to work continuously.

[0041] The power supply 110 is a 9-36V power supply 110 , and the power supply 110 can provide a stable input power supply 110 voltage to the MCU processor 101 .

[0042] A server, server 2 is connected to the positioning terminal 1 through a 4G module.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0044] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The driving behavior analysis system positioning terminal integrating inertial navigation technology is characterized by: The positioning terminal is connected to the server via a preset communication method; The positioning terminal includes: an MCU processor for controlling operation, a 4G module for remote data transmission, a positioning module for acquiring position data, a Flash module for storing data, a six-axis acceleration and gyroscope sensor for detecting the posture and speed of the vehicle, an I / O interface for collecting vehicle driving system status information and transmitting the information to the MCU processor, a debug interface for debugging or upgrading, a serial port for external connection, a backup battery for providing emergency power to the MCU processor, a power supply for powering the MCU processor and the backup battery, a button for controlling on or off, and an indicator light for displaying the status of the MCU processor; The 4G module, the positioning module, the Flash module, the six-axis acceleration and gyroscope sensor, the I / O interface, the Debug interface, the serial port, the backup battery, the power supply, the button and the indicator light are connected to the MCU processor.

2. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1 is characterized in that: The MCU processor is STM32 series.

3. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1 is characterized in that: The model of the positioning module is L76.

4. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1 is characterized in that: The positioning module is composed of GPS and Beidou.

5. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1 is characterized in that: There are two indicator lights.

6. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1, characterized in that: The I / O interface includes: input, output, AD, and 1-wire interfaces.

7. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1, characterized in that: The 4G module is EC200U model.

8. The driving behavior analysis system positioning terminal integrating inertial navigation technology according to claim 1, characterized in that: The power supply is a 9-36V power supply.

9. A server, characterized in that: It comprises a driving behavior analysis system positioning terminal integrating inertial navigation technology as described in any one of claims 1 to 8, wherein the server is connected to the positioning terminal through the 4G module.

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