Lateral vehicle early warning system

Abstract

The invention relates to the technical field of early warning systems, and discloses a lateral vehicle early warning system which comprises a radar ranging module, a data processing and analyzing module, a vehicle door opening and closing sensing module, a multi-mode early warning module, a manual closing and adjusting module and a power management and communication module. The radar ranging module is connected with the data processing and analyzing module, and the radar ranging module measures the distance and speed between a surrounding moving object and a vehicle body in real time and transmits the data to the data processing and analyzing module; the data processing and analyzing module receives the data and then further processes and analyzes the data so as to judge whether a collision risk exists or not. According to the lateral vehicle early warning system, comprehensive monitoring, accurate early warning and multi-mode early warning are achieved, the intelligent degree is high, and safety is improved.

Description

Technical Field

[0001] The present invention relates to the field of early warning systems, and in particular to a side vehicle early warning system. Background Art

[0002] With the continuous increase in the number of cars, the road traffic environment is becoming increasingly complex, and the safety issues during vehicle driving and parking are becoming increasingly prominent. Especially after the vehicle stops at the roadside, if the passengers or drivers open the door to get off the vehicle without fully observing the vehicles coming from behind, it is very easy to cause an "open door kill" accident, that is, the door collides with the vehicle coming fast from behind, causing damage to the door, personal injury or even more serious traffic accidents. In the prior art, although some vehicles have been equipped with rear vehicle warning systems, most of these systems focus on monitoring the rear of the vehicle, and there are blind spots for warning of vehicles coming from the side and oblique rear, which cannot fully guarantee the safety of passengers and drivers getting off the vehicle.

[0003] Limited monitoring range: Traditional early warning systems mainly focus on the rear of the vehicle, and do not adequately monitor vehicles coming from the side and rear, posing a safety hazard.

[0004] The warning method is single: sound or light signals are mostly used for warning, and there is a lack of multimodal and high-recognition warning methods. The warning information may be ignored due to environmental noise factors.

[0005] Low level of intelligence: Failure to fully utilize modern sensor technology and advanced artificial intelligence algorithm technology to achieve more accurate and timely early warning.

[0006] In order to solve the above problems, a side vehicle warning system is proposed in the present application. Summary of the invention

[0007] 1. Purpose of the invention In order to solve the technical problems existing in the background technology, the present invention proposes a side vehicle warning system, which has comprehensive monitoring, accurate warning, multi-modal warning, high intelligence and improved safety.

[0008] (II) Technical solution In order to solve the above problems, the present invention provides a side vehicle warning system, comprising: Radar ranging module, data processing and analysis module, door switch sensing module, multi-modal warning module, manual closing and adjustment module and power management and communication module; The radar ranging module is connected to the data processing and analysis module. The radar ranging module measures the distance and speed between the surrounding moving objects and the vehicle body in real time, and transmits these data to the data processing and analysis module; After receiving these data, the data processing and analysis module performs further processing and analysis to determine whether there is a collision risk; The door switch sensing module is connected to the data processing and analysis module, and the door switch sensing module senses the door opening action of the passenger or the driver and transmits the signal to the data processing and analysis module; After receiving the door opening signal, the data processing and analysis module combines the data from the radar ranging module to comprehensively determine whether the early warning system needs to be activated; The data processing and analysis module is connected to the multimodal warning module. When the data processing and analysis module determines that there is a collision risk, it sends a warning instruction to the multimodal warning module. The multi-modal warning module issues warning information through sound, light signals and in-vehicle display screens according to instructions; The manual closing and adjustment module is connected with the data processing and analysis module and the multimodal early warning module. The user can close the entire early warning system or adjust the early warning sensitivity through the manual closing and adjustment module; These operation instructions will directly affect the working status of the data processing and analysis module, as well as the warning mode and sensitivity of the multi-modal warning module; The power management and communication module is connected with the radar ranging module, the data processing and analysis module, the door switch sensing module, the multi-modal warning module and the manual closing and adjustment module; The power management and communication module is responsible for providing a stable power supply for the entire warning system to ensure that all modules can work normally; at the same time, it is also responsible for data transmission to ensure that information between modules can flow smoothly and support communication and linkage between the system and other vehicle systems.

[0009] Preferably, the radar ranging module includes: High-precision radar sensor: This is the core component of the radar ranging module, responsible for transmitting and receiving radio waves (such as millimeter waves or lidar beams) to measure the distance and speed between the surrounding moving objects and the vehicle body; The signal processing unit processes the raw signals collected by the radar sensor, including amplification, filtering, and denoising to improve the signal-to-noise ratio and accuracy; The distance and speed calculation unit calculates the actual distance and relative speed between the moving object and the vehicle body using a specific algorithm based on the signal processed data; Communication interface: The calculated distance and speed data are transmitted to the data processing and analysis module through a standard interface (such as CAN bus, LIN bus or Ethernet).

[0010] Preferably, the door switch sensing module includes: Sensor elements, such as Hall sensors, magnetoresistive sensors or micro switches, are integrated into the door handle or door lock to detect whether the door is opened; A signal conversion unit converts the physical signal (such as magnetic field change, mechanical displacement) detected by the sensor element into an electrical signal; A logic judgment unit, which judges whether the door is in an open state according to the electrical signal output by the signal conversion unit, and generates a corresponding switch signal; The communication interface is used to transmit the switch signal to the data processing and analysis module through a standard interface.

[0011] Preferably, the data processing and analysis module includes: The data receiving unit is used to receive data from the radar ranging module and the door switch sensing module.

[0012] Artificial intelligence algorithm processing unit, which has built-in advanced artificial intelligence algorithms (such as machine learning and deep learning) to process and analyze the received data, predict the trajectory of moving objects, and determine whether they pose a collision risk; The decision-making unit decides whether to trigger the early warning system according to the result of the algorithm processing unit and sends an early warning instruction to the multimodal early warning module; Communication interface, communicates with the multimodal warning module and the manual shutdown and adjustment module.

[0013] Preferably, the multimodal early warning module includes: The sound warning unit includes a speaker and a sound synthesis circuit, which is used to generate and play the warning sound.

[0014] A light signal warning unit, such as an LED light group or a flashing light, is used to issue a light signal warning to the side or rear of the vehicle; Display screen warning unit, used for display screen in the car to display warning information, such as text, icons or animations, to improve the recognition of warning information; The control unit is used to receive the warning instructions from the data processing and analysis module, and control each warning unit to perform corresponding warning actions.

[0015] Preferably, the manual closing and adjustment module includes: Operation interface, such as physical buttons, touch screens, or knobs, for users to perform manual operations; A control logic unit is used to analyze the instructions input by the user through the operation interface and control the shutdown of the early warning system or adjust the early warning sensitivity; The storage unit is used to store the warning sensitivity parameters set by the user so as to restore the user settings after the system is restarted.

[0016] Preferably, the power management and communication module includes: Power management unit, used for power distribution and management, including battery monitoring, voltage conversion, and power protection functions; Communication interface unit, used to provide communication interface with other vehicle systems (such as ECU, vehicle network), supporting CAN bus, LIN bus, Ethernet and other communication protocols; The data processing unit is used to process the communication data when necessary to ensure the accuracy and integrity of the data; The stability control unit monitors the operating status of the system, ensures stable operation of the system, and takes corresponding protective measures when abnormal situations occur.

[0017] The above technical solution of the present invention has the following beneficial technical effects: Comprehensive monitoring: By integrating multiple sensors, comprehensive monitoring of vehicles coming from the side and rear is achieved, effectively eliminating warning blind spots.

[0018] Accurate early warning: Use advanced artificial intelligence algorithms to predict the trajectory of moving objects and improve the accuracy and timeliness of early warning.

[0019] Multimodal warning: Uses multiple warning methods such as sound, light signals and in-vehicle display screens to ensure high recognition of warning information and reduce the risk of warning information being ignored due to environmental noise factors.

[0020] High degree of intelligence: supports manual shutdown and sensitivity adjustment functions to meet the needs of different users and improve user experience.

[0021] Improve safety: effectively prevent the occurrence of "door-opening" accidents, protect the personal safety of passengers and drivers, and reduce vehicle losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The present invention is a schematic structural diagram of a side vehicle warning system proposed by the present invention. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0024] like Figure 1 As shown, a side vehicle warning system proposed by the present invention comprises: Radar ranging module, data processing and analysis module, door switch sensing module, multi-modal warning module, manual closing and adjustment module and power management and communication module; The radar ranging module includes: High-precision radar sensor: This is the core component of the radar ranging module, responsible for transmitting and receiving radio waves (such as millimeter waves or lidar beams) to measure the distance and speed between the surrounding moving objects and the vehicle body; The signal processing unit processes the raw signals collected by the radar sensor, including amplification, filtering, and denoising to improve the signal-to-noise ratio and accuracy; The distance and speed calculation unit calculates the actual distance and relative speed between the moving object and the vehicle body using a specific algorithm based on the signal processed data; Communication interface: The calculated distance and speed data are transmitted to the data processing and analysis module through a standard interface (such as CAN bus, LIN bus or Ethernet).

[0025] Distance calculation formula: d = (c·t) / 2; in: d: distance between the target object and the sensor; c: speed of light (about 3×10 8 m / s); t: time difference between transmitted signal and received signal; Speed ​​calculation formula: v = (d1-d0) / Δt; in: v: relative velocity of the target object; d1: distance at the current moment; d0: distance at the previous moment; Δt: time interval; The radar ranging module is connected to the data processing and analysis module. The radar ranging module measures the distance and speed between the surrounding moving objects and the vehicle body in real time, and transmits these data to the data processing and analysis module; After receiving these data, the data processing and analysis module performs further processing and analysis to determine whether there is a collision risk; The door switch sensing module is connected to the data processing and analysis module, and the door switch sensing module senses the door opening action of the passenger or the driver and transmits the signal to the data processing and analysis module; After receiving the door opening signal, the data processing and analysis module combines the data from the radar ranging module to comprehensively determine whether the early warning system needs to be activated; The data processing and analysis module is connected to the multimodal warning module. When the data processing and analysis module determines that there is a collision risk, it sends a warning instruction to the multimodal warning module. The multi-modal warning module issues warning information through sound, light signals and in-vehicle display screens according to instructions; The manual closing and adjustment module is connected with the data processing and analysis module and the multimodal early warning module. The user can close the entire early warning system or adjust the early warning sensitivity through the manual closing and adjustment module; These operation instructions will directly affect the working status of the data processing and analysis module, as well as the warning mode and sensitivity of the multi-modal warning module; The power management and communication module is connected with the radar ranging module, the data processing and analysis module, the door switch sensing module, the multi-modal warning module and the manual closing and adjustment module; The power management and communication module is responsible for providing a stable power supply for the entire warning system to ensure that all modules can work normally; at the same time, it is also responsible for data transmission to ensure that information between modules can flow smoothly and support communication and linkage between the system and other vehicle systems.

[0026] Preferably, the door switch sensing module includes: Sensor elements, such as Hall sensors, magnetoresistive sensors or micro switches, are integrated into the door handle or door lock to detect whether the door is opened; A signal conversion unit converts the physical signal (such as magnetic field change, mechanical displacement) detected by the sensor element into an electrical signal; A logic judgment unit, which judges whether the door is in an open state according to the electrical signal output by the signal conversion unit, and generates a corresponding switch signal; The communication interface is used to transmit the switch signal to the data processing and analysis module through a standard interface.

[0027] Preferably, the data processing and analysis module includes: The data receiving unit is used to receive data from the radar ranging module and the door switch sensing module.

[0028] Artificial intelligence algorithm processing unit, which has built-in advanced artificial intelligence algorithms (such as machine learning and deep learning) to process and analyze the received data, predict the trajectory of moving objects, and determine whether they pose a collision risk; The decision-making unit decides whether to trigger the early warning system according to the result of the algorithm processing unit and sends an early warning instruction to the multimodal early warning module; Communication interface, communicates with the multimodal warning module and the manual shutdown and adjustment module.

[0029] Artificial Intelligence Algorithms: Commonly used machine learning algorithms include support vector machines (SVM) and neural networks (NN). For NN, the activation function of its output layer can be expressed by the following formula: y=f(W⋅x+b); in: y: neural network output; f: activation function (such as Sigmoid or ReLU); W: weight matrix; x: input feature; b: bias term; Preferably, the multimodal early warning module includes: The sound warning unit includes a speaker and a sound synthesis circuit, which is used to generate and play the warning sound.

[0030] A light signal warning unit, such as an LED light group or a flashing light, is used to issue a light signal warning to the side or rear of the vehicle; Display screen warning unit, used for display screen in the car to display warning information, such as text, icons or animations, to improve the recognition of warning information; The control unit is used to receive the warning instructions from the data processing and analysis module, and control each warning unit to perform corresponding warning actions.

[0031] Collision risk assessment: The risk of collision can be estimated using a logistic regression model, which is: ; in: P(y=1|x): the probability of a collision given feature x; β: regression coefficient; e: base of natural logarithm; The manual closing and regulating module includes: Operation interface, such as physical buttons, touch screens, or knobs, for users to perform manual operations; A control logic unit is used to analyze the instructions input by the user through the operation interface and control the shutdown of the early warning system or adjust the early warning sensitivity; The storage unit is used to store the warning sensitivity parameters set by the user so as to restore the user settings after the system is restarted.

[0032] Preferably, the power management and communication module includes: Power management unit, used for power distribution and management, including battery monitoring, voltage conversion, and power protection functions; Communication interface unit, used to provide communication interface with other vehicle systems (such as ECU, vehicle network), supporting CAN bus, LIN bus, Ethernet and other communication protocols; The data processing unit is used to process the communication data when necessary to ensure the accuracy and integrity of the data; The stability control unit monitors the operating status of the system, ensures stable operation of the system, and takes corresponding protective measures when abnormal situations occur.

[0033] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A side vehicle warning system, characterized in that: include: Radar ranging module, data processing and analysis module, door switch sensing module, multi-modal warning module, manual closing and adjustment module and power management and communication module; The radar ranging module is connected to the data processing and analysis module. The radar ranging module measures the distance and speed between the surrounding moving objects and the vehicle body in real time, and transmits these data to the data processing and analysis module; After receiving these data, the data processing and analysis module performs further processing and analysis to determine whether there is a collision risk; The door switch sensing module is connected to the data processing and analysis module, and the door switch sensing module senses the door opening action of the passenger or the driver and transmits the signal to the data processing and analysis module; After receiving the door opening signal, the data processing and analysis module combines the data from the radar ranging module to comprehensively determine whether the early warning system needs to be activated; The data processing and analysis module is connected to the multimodal warning module. When the data processing and analysis module determines that there is a collision risk, it sends a warning instruction to the multimodal warning module. The multi-modal warning module issues warning information through sound, light signals and in-vehicle display screens according to instructions; The manual closing and adjustment module is connected with the data processing and analysis module and the multimodal early warning module. The user can close the entire early warning system or adjust the early warning sensitivity through the manual closing and adjustment module; These operation instructions will directly affect the working status of the data processing and analysis module, as well as the warning mode and sensitivity of the multi-modal warning module; The power management and communication module is connected with the radar ranging module, the data processing and analysis module, the door switch sensing module, the multi-modal warning module and the manual closing and adjustment module; The power management and communication module is responsible for providing a stable power supply for the entire early warning system to ensure that all modules can work normally; at the same time, it is also responsible for data transmission.

2. A side vehicle warning system according to claim 1, characterized in that: The radar ranging module includes: High-precision radar sensor: This is the core component of the radar ranging module, transmitting and receiving radio waves; A signal processing unit processes the raw signals collected by the radar sensor; The distance and speed calculation unit calculates the actual distance and relative speed between the moving object and the vehicle body using a specific algorithm based on the signal processed data; Communication interface: The calculated distance and speed data are transmitted to the data processing and analysis module through the standard interface.

3. A side vehicle warning system according to claim 2, characterized in that: The door switch sensor module includes: Sensor element, integrated into the door handle or door lock, used to detect whether the door is opened; A signal conversion unit converts the physical signal detected by the sensor element into an electrical signal; A logic judgment unit, which judges whether the door is in an open state according to the electrical signal output by the signal conversion unit, and generates a corresponding switch signal; The communication interface is used to transmit the switch signal to the data processing and analysis module through a standard interface.

4. A side vehicle warning system according to claim 3, characterized in that: Data processing and analysis modules include: A data receiving unit, used for receiving data from the radar ranging module and the door switch sensing module; The artificial intelligence algorithm processing unit processes and analyzes the received data, predicts the trajectory of the moving object, and determines whether it poses a collision risk; The decision-making unit decides whether to trigger the early warning system according to the result of the algorithm processing unit and sends an early warning instruction to the multimodal early warning module; Communication interface, communicates with the multimodal warning module and the manual shutdown and adjustment module.

5. A side vehicle warning system according to claim 4, characterized in that: The multimodal warning module includes: A sound warning unit, including a speaker and a sound synthesis circuit, is used to generate and play a warning sound; A light signal warning unit, used to send out a light signal warning at the side or rear of the vehicle; Display screen warning unit, used for the in-vehicle display screen to display warning information; The control unit is used to receive the warning instructions from the data processing and analysis module, and control each warning unit to perform corresponding warning actions.

6. A side vehicle warning system according to claim 5, characterized in that: Manual closing and adjustment module includes: Operation interface, used for manual operation by users; A control logic unit is used to analyze the instructions input by the user through the operation interface and control the shutdown of the early warning system or adjust the early warning sensitivity; The storage unit is used to store the warning sensitivity parameters set by the user.

7. A side vehicle warning system according to claim 5, characterized in that: The power management and communication modules include: Power management unit, used for power distribution and management, including battery monitoring, voltage conversion, and power protection functions; A communication interface unit, used to provide a communication interface with other vehicle systems; A data processing unit, used for processing communication data; The stability control unit monitors the operating status of the system and takes corresponding protective measures when abnormal situations occur.

Images