New energy automobile accident detection system and method
The new energy vehicle accident detection system collects vehicle status signals and determines collision scenarios, solving the problem of insufficient identification capabilities for collision and crush accidents in new energy commercial vehicles, and improving the accuracy of accident detection and rescue efficiency.
Patent Information
- Application Number
- CN202511300916.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-12
- Publication Date
- 2025-10-17
AI Technical Summary
Existing technologies have a weak ability to identify collision and crush accidents in new energy commercial vehicles, resulting in lag in accident detection and inaccurate location information, which affects rescue efficiency and personnel safety.
A new energy vehicle accident detection system was designed, including a vehicle status acquisition module, a control module, an accident analysis module, and an early warning module. By acquiring vehicle operating status signals and collision warning signals, the system can determine the collision scenario and issue a warning signal, thereby achieving accurate detection of collision and crush accidents.
It improved the accuracy of major accident detection, enhanced the speed and efficiency of rescue response, and ensured the safety of drivers and personnel.
Smart Images
Figure CN120792718A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of new energy vehicle accident detection, and particularly relates to a new energy vehicle accident detection system and method. BACKGROUND
[0002] New energy commercial vehicles have special risks, such as collision and extrusion of power batteries, which can cause the destruction of the battery pack structure and trigger the heat runaway phenomenon, and the water ingress of power batteries can cause electrical leakage and environmental damage problems. The golden rescue time after an accident is very short, and whether the accident can be discovered at the first time, accurately located and identified in terms of severity is directly related to the life safety of the driver and the consequences control of the accident. Relying on the driver's alarm or the third party's alarm has problems such as lag and inaccurate position information.
[0003] At present, the accident detection technology is in a key stage from basic monitoring to active intelligent safety warning. The vehicle emergency call function of passenger cars has been applied on domestic high-end or imported heavy trucks, but it is mainly aimed at collision scenes and has weak recognition ability for extrusion accidents. Therefore, it is an urgent problem to be solved to accurately detect major accident scenes such as collision and extrusion of new energy commercial vehicles with high risk. SUMMARY
[0004] The purpose of the present application is to overcome the deficiencies in the prior art, provide a new energy vehicle accident detection system and method, realize the detection and identification of collision and extrusion accidents, improve the accuracy of major accident detection, and thus improve the rescue response speed and efficiency.
[0005] The present application provides the following technical solutions:
[0006] In a first aspect, a new energy vehicle accident detection system is provided, comprising: a vehicle state acquisition module for acquiring the running state signals of a target vehicle, the running state signals including vehicle speed signals, acceleration signals, slope signals, cab lifting state signals, hand brake state signals, throttle state signals and charging state signals;
[0007] a control module connected to the vehicle state acquisition module, for calculating the collision time of the target vehicle with a preceding vehicle according to the received vehicle speed signals, and sending a collision warning signal according to the collision time;
[0008] an accident analysis module connected to the vehicle state acquisition module and the control module, for judging the collision scene of the target vehicle according to the received vehicle speed signals, acceleration signals, slope signals, cab lifting state signals, hand brake state signals, throttle state signals, charging state signals and collision warning signals; the collision scene includes front collision, rear collision, side collision and top collision;
[0009] An early warning module is connected to the accident analysis module and configured to send an early warning signal according to the received collision scene of the target vehicle.
[0010] As an optional technical solution of the present application, the vehicle state acquisition module comprises a speed sensor, an acceleration sensor, a slope sensor, a cab lifting sensor, a hand brake sensor, a throttle pedal state acquisition unit, a charging gun sensing unit and a distance sensor.
[0011] The speed sensor is connected to the control module and the accident analysis module, and is configured to acquire a vehicle speed signal and send the vehicle speed signal to the control module and the accident analysis module.
[0012] The distance sensor is connected to the control module, and is configured to acquire distance data between the target vehicle and a preceding vehicle and send the distance data to the control module.
[0013] The acceleration sensor is connected to the accident analysis module, and is configured to acquire an acceleration signal of the target vehicle and send the acceleration signal to the accident analysis module, wherein the acceleration signal comprises a vehicle forward direction acceleration, a vehicle lateral direction acceleration and a vehicle vertical direction acceleration.
[0014] The slope sensor is connected to the accident analysis module, and is configured to acquire slope data of the target vehicle and send the slope data to the accident analysis module.
[0015] The cab lifting sensor is connected to the accident analysis module, and is configured to detect whether the cab is lifted in place and send a detection result to the accident analysis module.
[0016] The hand brake sensor is connected to the accident analysis module, and is configured to detect a hand brake state of the target vehicle and send the hand brake state to the accident analysis module.
[0017] The throttle pedal state acquisition unit is connected to the accident analysis module, and is configured to detect a throttle state of the target vehicle and send the throttle state to the accident analysis module.
[0018] The charging gun sensing unit is connected to the accident analysis module, and is configured to detect a charging state of the target vehicle and send the charging state to the accident analysis module.
[0019] As an optional technical solution of the present application, the control module is configured to calculate a collision time of the target vehicle and the preceding vehicle according to the received vehicle speed signal and distance data, and send a collision early warning signal to the accident analysis module when the collision time is less than a set threshold.
[0020] As an optional technical solution of the present application, a data uploading module is further connected to the accident analysis module, and is configured to upload the collision scene of the target vehicle to a terminal.
[0021] In a second aspect, a detection method based on the new energy vehicle accident detection system is provided, comprising: obtaining the running state signal and the collision warning signal of the target vehicle;
[0022] According to the running state signal and the collision warning signal of the target vehicle, the collision scene of the target vehicle is judged and sent to the warning module for warning; wherein the collision scene includes front collision, rear collision, side collision and top collision.
[0023] As an optional technical solution of the application, the front collision includes low-speed and cab non-displacement collision, low-speed and cab displacement collision, high-speed and cab non-displacement collision, and high-speed and cab displacement collision;
[0024] When and , it is judged that the target vehicle is in low-speed and cab non-displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, and if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision; wherein g represents the acceleration of gravity;
[0025] When , the collision warning signal is valid, and , it is judged that the target vehicle is in high-speed and cab non-displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, and if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision;
[0026] When the lifting signal is invalid and , it is judged that the target vehicle is in low-speed and cab displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, and if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision;
[0027] When the lifting signal is invalid, the collision warning signal is valid, and , it is judged that the target vehicle is in high-speed and cab displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, and if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision.
[0028] As an optional technical solution of the present application, the rear collision includes being rear-ended when the vehicle is stationary and being rear-ended when the vehicle is running;
[0029] When , the throttle signal is invalid, and , it is judged that the target vehicle is rear-ended when stationary. If , the target vehicle is judged to be a minor collision. If , it is judged whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, the target vehicle is judged to be a serious collision.
[0030] When , and , it is judged that the target vehicle is rear-ended when running. If , the target vehicle is judged to be a minor collision. If , it is judged whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, the target vehicle is judged to be a serious collision.
[0031] As an optional technical solution of the present application, when , it is judged that the target vehicle is side collision. If , the target vehicle is judged to be a minor collision. If , it is judged whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, the target vehicle is judged to be a serious collision.
[0032] As an optional technical solution of the present application, the top collision includes a container falling and hitting the cab and a steel coil moving forward and hitting the cab;
[0033] When , the hand brake signal is valid, and , it is judged that the container falls and hits the cab;
[0034] When , , and the brake signal is valid, it is judged that the steel coil moves forward and hits the cab. If , the target vehicle is judged to be a minor collision. If , it is judged whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, the target vehicle is judged to be a serious collision.
[0035] Compared with the prior art, the present application has the following advantages:
[0036] The new energy vehicle accident detection system provided by the application can define vehicle accident scenes according to different trigger conditions, make accident severity judgments, further increase the accuracy of major accident warnings, realize the detection and identification of collision and extrusion accidents, improve the accuracy of major accident detection, and thus improve the rescue response speed and efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0037] Figure 1 FIG. 1 is a structural schematic diagram of a new energy vehicle accident detection system in an embodiment of the application;
[0038] Figure 2 FIG. 2 is a flowchart of a new energy vehicle accident detection method in an embodiment of the application. DETAILED DESCRIPTION
[0039] The application will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the application, and cannot be used to limit the protection scope of the application.
[0040] Embodiment 1
[0041] The embodiment provides a new energy vehicle accident detection system, as shown in FIG. 1, which comprises: Figure 1
[0042] A vehicle state acquisition module is configured to acquire running state signals of a target vehicle, wherein the running state signals include a vehicle speed signal, an acceleration signal, a slope signal, a cab lifting state signal, a hand brake state signal, a throttle state signal, and a charging state signal.
[0043] Specifically, the vehicle state acquisition module comprises a speed sensor, an acceleration sensor, a slope sensor, a cab lifting sensor, a hand brake sensor, a throttle pedal state acquisition unit, a charging gun sensing unit, and a distance sensor.
[0044] The speed sensor is connected to a control module and an accident analysis module, and is configured to acquire a vehicle speed signal and send the vehicle speed signal to the control module and the accident analysis module.
[0045] The distance sensor is connected to the control module, and is configured to acquire distance data between the target vehicle and a preceding vehicle and send the distance data to the control module.
[0046] The acceleration sensor is connected to the accident analysis module, and is configured to acquire an acceleration signal of the target vehicle and send the acceleration signal to the accident analysis module, wherein the acceleration signal includes a vehicle forward direction acceleration, a vehicle lateral direction acceleration, and a vehicle vertical direction acceleration.
[0047] The slope sensor is connected to the accident analysis module, and is configured to acquire slope data of the target vehicle and send the slope data to the accident analysis module.
[0048] The cab lifting sensor is connected to the accident analysis module, which is used to detect whether the cab is lifted in place and send the detection result to the accident analysis module.
[0049] The hand brake sensor is connected to the accident analysis module, which is used to detect the hand brake state of the target vehicle and send it to the accident analysis module.
[0050] The oil pedal state acquisition unit is connected to the accident analysis module, which is used to detect the oil state of the target vehicle and send it to the accident analysis module.
[0051] The charging gun sensing unit is connected to the accident analysis module, which is used to detect the charging state of the target vehicle and send it to the accident analysis module.
[0052] The control module is connected to the vehicle state acquisition module, which is used to calculate the collision time of the target vehicle with the front vehicle according to the received vehicle speed signal, and send a collision warning signal according to the collision time. Specifically, the control module calculates the collision time of the target vehicle with the front vehicle according to the received vehicle speed signal and distance data, and sends a collision warning signal to the accident analysis module when the collision time is less than a set threshold.
[0053] The accident analysis module is connected to the vehicle state acquisition module and the control module, which is used to judge the collision scene of the target vehicle according to the received vehicle speed signal, acceleration signal, slope signal, cab lifting state signal, hand brake state signal, oil state signal, charging state signal and collision warning signal. The collision scene includes front collision, rear collision, side collision and top collision.
[0054] The warning module is connected to the accident analysis module, which is used to send a warning signal according to the received collision scene of the target vehicle.
[0055] The data upload module is connected to the accident analysis module, which is used to upload the collision scene of the target vehicle to the terminal. Specifically, the accident location, accident time, accident type, vehicle basic information of the vehicle are uploaded to the cloud platform by the vehicle remote information processor, and the cloud platform analyzes the above information and pushes the accident information to the service personnel's mobile phone. The service personnel timely reports and rescues according to the accident type and accident location, etc. information, realizes the accident warning of the vehicle.
[0056] Embodiment 2
[0057] This embodiment is based on embodiment 1, and provides a detection method.
[0058] As shown in Figure 2 , specifically includes:
[0059] Step 1: Obtain the running state signal of the target vehicle and the collision warning signal.
[0060] Step two: judging the collision scene of the target vehicle according to the running state signal of the target vehicle and the collision warning signal and sending to the warning module for warning; wherein the collision scene includes front collision, rear collision, side collision and top collision.
[0061] (1) The front collision includes low-speed and cab non-displacement collision, low-speed and cab displacement collision, high-speed and cab non-displacement collision, and high-speed and cab displacement collision.
[0062] When and , it is judged that the target vehicle is in low-speed and cab non-displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision; wherein g represents the acceleration of gravity;
[0063] When , the collision warning signal is valid, and , it is judged that the target vehicle is in high-speed and cab non-displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision;
[0064] When the lifting in place signal is invalid and , it is judged that the target vehicle is in low-speed and cab displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision;
[0065] When the lifting in place signal is invalid, the collision warning signal is valid, and , it is judged that the target vehicle is in high-speed and cab displacement collision, and if 10 seconds later, it is judged that the target vehicle is in slight collision, if it is judged whether the time is greater than 20 minutes and the target vehicle is not charged, if it is satisfied, it is judged that the target vehicle is in serious collision.
[0066] (2) The rear collision includes being rear-ended when the vehicle is stationary and being rear-ended when the vehicle is running.
[0067] When , throttle signal failure and , the target vehicle is judged to be rear-ended when stationary, and if , the target vehicle is judged to be a minor collision, and if , it is judged whether the time is greater than 20 minutes and the target vehicle is not charging, and if it is satisfied, the target vehicle is judged to be a serious collision.
[0068] When and , the target vehicle is judged to be rear-ended while running, and if , the target vehicle is judged to be a minor collision, and if , it is judged whether the time is greater than 20 minutes and the target vehicle is not charging, and if it is satisfied, the target vehicle is judged to be a serious collision.
[0069] (3) When , the target vehicle is judged to be side-impacted, and if , the target vehicle is judged to be a minor collision, and if , it is judged whether the time is greater than 20 minutes and the target vehicle is not charging, and if it is satisfied, the target vehicle is judged to be a serious collision.
[0070] (4) The top collision includes a container falling on the cab and a steel coil moving forward to hit the cab.
[0071] When , hand brake signal is valid and , the container falling on the cab is judged;
[0072] When , and the brake signal is valid, the steel coil moving forward to hit the cab is judged, and if , the target vehicle is judged to be a minor collision, and if , it is judged whether the time is greater than 20 minutes and the target vehicle is not charging, and if it is satisfied, the target vehicle is judged to be a serious collision.
[0073] In the description of the present application, it is to be understood by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified and limited, the term "a plurality of" means two or more.
[0074] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.
[0075] The above is only the preferred embodiment of the present application, it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, can also make a number of improvements and modifications, these improvements and modifications should be considered as the protection scope of the present application.
Claims
1. A new energy vehicle accident detection system, characterized in that: include: A vehicle status acquisition module is used to collect the operating status signal of the target vehicle, wherein the operating status includes a vehicle speed signal, an acceleration signal, a slope signal, a cab lift status signal, a handbrake status signal, a throttle status signal, and a charging status signal; a control module, connected to the vehicle status acquisition module, for calculating the collision time between the target vehicle and the preceding vehicle based on the received vehicle speed signal, and issuing a collision warning signal based on the collision time; an accident analysis module connected to the vehicle status acquisition module and the control module, and configured to determine a collision scenario of the target vehicle based on the received vehicle speed signal, acceleration signal, slope signal, cab lift status signal, handbrake status signal, throttle status signal, charging status signal, and collision warning signal; the collision scenarios include frontal collision, rear collision, side collision, and top collision; The early warning module is connected to the accident analysis module and is used to issue an early warning signal according to the received collision scene of the target vehicle.
2. The new energy vehicle accident detection system according to claim 1, characterized in that: The vehicle status acquisition module includes a speed sensor, an acceleration sensor, a slope sensor, a cab lift sensor, a handbrake sensor, an accelerator pedal status acquisition unit, a charging gun sensing unit, and a distance sensor; The speed sensor is connected to the control module and the accident analysis module, and is used to collect vehicle speed signals and send them to the control module and the accident analysis module; The distance sensor is connected to the control module and is used to collect distance data between the target vehicle and the preceding vehicle and send the data to the control module; The acceleration sensor is connected to the accident analysis module and is used to collect the acceleration signal of the target vehicle and send it to the accident analysis module. The acceleration signal includes the vehicle's acceleration in the moving direction, the vehicle's lateral acceleration, and the vehicle's vertical acceleration; The slope sensor is connected to the accident analysis module and is used to collect slope data of the target vehicle and send it to the accident analysis module; The cab lift sensor is connected to the accident analysis module for detecting whether the cab is lifted into place and sending the detection result to the accident analysis module; The handbrake sensor is connected to the accident analysis module, and is used to detect the handbrake status of the target vehicle and send it to the accident analysis module; The accelerator pedal state acquisition unit is connected to the accident analysis module and is used to detect the accelerator state of the target vehicle and send it to the accident analysis module; The charging gun sensing unit is connected to the accident analysis module and is used to detect the charging status of the target vehicle and send it to the accident analysis module.
3. The new energy vehicle accident detection system according to claim 2, characterized in that: The control module calculates the collision time between the target vehicle and the preceding vehicle based on the received vehicle speed signal and distance data. When the collision time is less than a set threshold, the control module sends a collision warning signal to the accident analysis module.
4. The new energy vehicle accident detection system according to claim 1, characterized in that: It also includes a data upload module connected to the accident analysis module for uploading the collision scene of the target vehicle to the terminal.
5. A detection method based on the new energy vehicle accident detection system according to any one of claims 1 to 4, characterized in that: include: Obtaining an operating status signal and a collision warning signal of the target vehicle; According to the operating status signal and collision warning signal of the target vehicle, the collision scenario of the target vehicle is judged and sent to the warning module for warning; wherein, the collision scenario includes front collision, rear collision, side collision and top collision.
6. The new energy vehicle accident detection method according to claim 5, characterized in that: The frontal collision includes a low-speed collision with no displacement of the cab, a low-speed collision with displacement of the cab, a high-speed collision with no displacement of the cab, and a high-speed collision with displacement of the cab; when and When the target vehicle is judged to be at a low speed and the cab has not shifted or collided, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether If the time is greater than 20 minutes and the target vehicle is not charged, it is judged that the target vehicle has a serious collision; where g represents the acceleration of gravity; when , the collision warning signal is effective and When the target vehicle is judged to be at high speed and the cab has not been displaced or collided, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether If the time is greater than 20 minutes and the target vehicle is not charged, it is judged that the target vehicle has a serious collision; When the lift-in-place signal fails and When the target vehicle is judged to be at a low speed and the cab is displaced and collided, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether If the time is greater than 20 minutes and the target vehicle is not charged, it is judged that the target vehicle has a serious collision; When the lifting signal fails, the collision warning signal is valid and When the target vehicle is judged to be at high speed and the cab is displaced and collided, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, it is determined that the target vehicle has been severely collided.
7. The new energy vehicle accident detection method according to claim 5, characterized in that: The rear-end collision includes a vehicle being rear-ended when the vehicle is stationary and a vehicle being rear-ended when the vehicle is in motion; when , throttle signal failure and When the target vehicle is judged to be rear-ended while stationary, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether If the time is greater than 20 minutes and the target vehicle is not charged, it is judged that the target vehicle has a serious collision; when and When the target vehicle is judged to be rear-ended, after 10 seconds if The target vehicle is judged to be a minor collision. Then determine whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, it is determined that the target vehicle has been severely collided.
8. The new energy vehicle accident detection method according to claim 5, characterized in that: when When the target vehicle is judged to have a side collision, if The target vehicle is judged to be a minor collision. Then determine whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, it is determined that the target vehicle has been severely collided.
9. The new energy vehicle accident detection method according to claim 5, characterized in that: The top collision includes a container falling and hitting the cab, and a steel coil moving forward and hitting the cab; when , the handbrake signal is valid and When the container falls and hits the cab; when 、 If the brake signal is valid, the steel coil moves forward and hits the cab. The target vehicle is judged to be a minor collision. Then determine whether The time is greater than 20 minutes and the target vehicle is not charged. If it is satisfied, it is determined that the target vehicle has been severely collided.