Sightseeing vehicle slope rollover prevention device based on double-axis inclination sensor

Abstract

The utility model provides sightseeing car slope anti -rollover device based on double shaft inclination sensor, including first anti -rollover subassembly and second anti -rollover subassembly, be provided with double shaft inclination sensor on first anti -rollover subassembly, the double shaft inclination sensor sets up the wheel of sightseeing car, one end of double shaft inclination sensor still is provided with receiver, the one end of receiver still is provided with voice broadcast unit, be provided with gyro stabilizer on second anti -rollover subassembly, the gyro stabilizer sets up with the chassis of sightseeing car. The utility model adopts above -mentioned sightseeing car slope anti -rollover device based on double shaft inclination sensor, integrated real -time monitoring early warning and initiative stable control function, through the collaborative work of first anti -rollover subassembly (dynamic monitoring early warning module) and second anti -rollover subassembly (initiative stable execution module), constructs multilevel security protection system, effectively reduces the rollover risk of sightseeing car in complex terrain driving.

Description

Technical Field

[0001] This utility model relates to the field of automobile rollover, and in particular to a sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor. Background Technology

[0002] There is a significant market gap in the field of anti-rollover technology for sightseeing vehicles. Although vehicle dynamics control technology has been widely applied in the passenger car sector, a mature solution for a dedicated active safety protection system for the special usage scenarios of sightseeing vehicles has yet to be developed. Industry survey data shows that rollover accidents caused by complex road conditions have become the primary safety hazard in scenic area transportation operations. Traditional passive protection measures are insufficient to meet the safety requirements in special terrain conditions such as mountains and wetlands. Developing intelligent anti-rollover devices with real-time attitude monitoring and active stability intervention capabilities has become an urgent need for upgrading the safety technology of special vehicles. Utility Model Content

[0003] The purpose of this invention is to provide a sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor, which integrates real-time monitoring and early warning with active stability control functions. Through the coordinated work of the first anti-rollover component (dynamic monitoring and early warning module) and the second anti-rollover component (active stability execution module), a multi-level safety protection system is constructed, which effectively reduces the risk of rollover of the sightseeing vehicle when driving on complex terrain.

[0004] To achieve the above objectives, this utility model provides a sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor, including a first anti-rollover component and a second anti-rollover component;

[0005] The first anti-rollover component is equipped with a dual-axis tilt sensor, which is installed on the wheel of the sightseeing vehicle. A receiver is also provided at one end of the dual-axis tilt sensor, and a voice broadcast unit is also provided at one end of the receiver.

[0006] The second anti-rollover component is equipped with a gyro stabilizer, which is mounted on the chassis of the sightseeing vehicle.

[0007] Preferably, the receiver receives tilt angle data from the dual-axis tilt sensor, senses the tilt angle of the vehicle body, and provides voice prompts through the voice broadcast unit.

[0008] Preferably, the gyroscope stabilizer is provided with a shell, which includes a three-layer structure: a middle layer is a vibration damping layer, and inner and outer layers are support layers.

[0009] Preferably, the outer shell of the gyroscope stabilizer is provided with multiple connectors, each connector having a connecting hole, and bolts are installed in the connecting holes to fix the gyroscope stabilizer and the outer shell to the sightseeing vehicle chassis.

[0010] Preferably, the intermediate layer is a cushioning material.

[0011] Therefore, the present invention employs the aforementioned sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor, and the technical effects are as follows:

[0012] Dual-mode collaborative mechanism: to achieve closed-loop control of the entire process of "monitoring-early warning-intervention". When the tilt angle exceeds the 8° threshold, the gyro stabilizer automatically starts the compensation torque. By generating a gyro torque opposite to the tilt direction, it effectively suppresses the vehicle body from tilting further.

[0013] Intelligent anti-interference design: The gyroscope housing adopts a three-level vibration isolation structure, which achieves -40dB attenuation of engine resonance (50-200Hz) and road excitation (10-50Hz), ensuring the accuracy and stability of the inertial measurement unit (IMU).

[0014] Adaptive calibration function: The system has online self-test capability and automatically executes a six-position calibration program each time it starts up to compensate for installation errors and temperature drift. The operating temperature range is -40℃ to +85℃. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the first anti-rollover component of the sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor of this utility model;

[0016] Figure 2 This is a schematic diagram of the second anti-rollover component of the sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to this utility model;

[0017] Figure 3 This is a cross-sectional view of the first anti-rollover component of the sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to this utility model;

[0018] Figure 4 This is a partial schematic diagram of the outer casing.

[0019] Figure Labels

[0020] 1. First anti-rollover component; 101. Dual-axis tilt sensor; 102. Receiver; 103. Voice broadcast unit; 2. Second anti-rollover component; 201. Gyro stabilizer; 202. Chassis; 203. Outer shell; 2031. Outer layer; 2032. Middle layer; 2033. Inner layer; 204. Connector; 205. Connecting hole. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0022] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.

[0023] Example 1

[0024] The sightseeing vehicle slope anti-rollover device based on the dual-axis tilt sensor 101 adopts a dual-redundant safety architecture design, integrating real-time monitoring and early warning with active stability control functions. Through the collaborative work of the first anti-rollover component 1 (dynamic monitoring and early warning module) and the second anti-rollover component 2 (active stability execution module), a multi-level safety protection system is constructed, effectively reducing the risk of rollover of the sightseeing vehicle when driving on complex terrain.

[0025] like Figure 1 As shown, a dual-axis tilt sensor 101 is provided on the first anti-rollover component 1. The dual-axis tilt sensor 101 is installed on the wheel of the sightseeing vehicle. A receiver 102 is also provided at one end of the dual-axis tilt sensor 101. A voice broadcast unit 103 is also provided at one end of the receiver 102.

[0026] The receiver 102 receives tilt angle data from the dual-axis tilt sensor 101 and senses the tilt angle of the vehicle body. When the tilt angle is within the first threshold range, no warning is given. When the tilt angle is within the second threshold range, a voice prompt is given through the voice broadcast unit 103. The driver will then adjust the sightseeing vehicle's direction and speed or get out of the vehicle to check, thus preventing the vehicle from overturning.

[0027] Because the tilt angle is small, the gyro stabilizer 201 is not very good at recognizing it. Therefore, when the tilt angle is within the third threshold range, the second anti-rollover component 2 is activated.

[0028] High-precision sensing layer: It adopts an industrial-grade dual-axis tilt sensor 101, which is directly fixed to the steering knuckle assembly of the sightseeing vehicle through a flange mounting structure. It collects X / Y axis tilt angle data in real time, with a measurement accuracy of ±0.01° and a sampling frequency of 100Hz, which can accurately capture the dynamic attitude changes of the vehicle body.

[0029] Intelligent Decision Unit: Equipped with an edge computing controller and a built-in three-level threshold determination algorithm.

[0030] Safe range (within ±3°): The system runs silently, only maintaining background data recording.

[0031] Warning range (3°~5°): Triggers a multimodal warning mechanism, activates the warning icon on the instrument cluster via the vehicle CAN bus, and simultaneously starts the distributed voice broadcast unit 103 (installed on both sides of the A-pillar in the driver's cabin), adopting a graded voice prompt strategy: "Please note the vehicle tilt" → "Immediately decelerate and adjust the direction".

[0032] Critical range (5°~8°): Initiate the pre-loading program of the second anti-rollover component 2 to prepare for subsequent active intervention.

[0033] like Figure 2 , Figure 3 and Figure 4 As shown, the second anti-rollover component 2 is equipped with a gyro stabilizer 201. The gyro stabilizer 201 is equipped with a shell 203. The shell 203 has a three-layer structure, with the middle layer 2032 being a vibration damping layer, and the inner layer 2033 and the outer layer 2031 being support layers.

[0034] The inner layer 2033 is used to enclose and fix the gyro stabilizer 201, the outer layer 2031 structurally protects the entire gyro stabilizer 201, and the middle layer 2032 is a vibration damping layer to reduce vibrations caused by engine operation and by the sightseeing vehicle's movement. Vibrations generated by the engine and during operation can affect the accuracy of the gyro stabilizer 201 and potentially damage the gyroscope. The middle layer 2032 is made of cushioning material, such as a polyurethane damping pad.

[0035] The outer shell 203 of the gyro stabilizer 201 is provided with multiple connectors 204, and the connectors 204 are provided with connection holes 205. Bolts are provided in the connection holes 205 to fix the gyro stabilizer 201 and the outer shell 203 to the sightseeing vehicle chassis 202, so that the chassis of the sightseeing vehicle and the outer shell 203 form a rigid connection.

[0036] The double anti-rollover design prevents the sightseeing vehicle from overturning during operation.

[0037] High-reliability actuator: Employs a three-degree-of-freedom gyroscope stabilization platform; core components are a fiber optic gyroscope (FOG) and a torque motor actuator. Key parameters:

[0038] Angular resolution: 0.001°, dynamic response time: ≤15ms, maximum compensation torque: 150N·m.

[0039] Vibration isolation and protection system: Innovatively adopts a sandwich-style composite structure shell 203, for example:

[0040] The inner layer is a precision-machined frame of 2033:6061-T6 aluminum alloy, which is connected to the gyroscope body through a 3-point elastic damping support.

[0041] Intermediate layer 2032: honeycomb polyurethane damping layer (Shore hardness 60D), which, together with silicone sealing gaskets, forms a fully sealed shock-absorbing cavity.

[0042] Outer layer 2031: Glass fiber reinforced composite (GFRP) protective cover with a stone-piercing coating sprayed on the surface.

[0043] Rigid-flexible coupling installation method: Rigid connection is achieved with the frame longitudinal beam through connector 204. The connecting hole 205 adopts an oblong hole design (tolerance ±0.2mm) to allow for thermal expansion compensation clearance. Key fasteners use 10.9 grade high-strength bolts, with pre-applied thread locking agent to ensure connection reliability under vibration conditions.

[0044] Real-vehicle testing has verified that this system can increase the critical rollover angle of sightseeing vehicles by 23%. Under conditions of a sharp turn on a 15° slope, the maximum roll angle can be controlled within 6.8°, significantly outperforming traditional single-sensor solutions. The voice warning response time is ≤200ms, and the intervention delay of the active stabilization actuator is ≤30ms, meeting the ISO 26262 functional safety ASIL C level requirements. It is particularly suitable for complex road conditions such as mountain scenic areas and theme parks.

[0045] Therefore, this utility model adopts the above-mentioned sightseeing vehicle slope anti-rollover device based on dual-axis tilt sensor, which integrates real-time monitoring and early warning and active stability control functions. Through the coordinated work of the first anti-rollover component (dynamic monitoring and early warning module) and the second anti-rollover component (active stability execution module), a multi-level safety protection system is constructed, which effectively reduces the risk of rollover of sightseeing vehicles when driving on complex terrain.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solution of this utility model, and these modifications or equivalent substitutions cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of this utility model.

Claims

1. A sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor, characterized in that, Includes a first anti-rollover component and a second anti-rollover component; The first anti-rollover component is equipped with a dual-axis tilt sensor, which is installed on the wheel of the sightseeing vehicle. A receiver is also provided at one end of the dual-axis tilt sensor, and a voice broadcast unit is also provided at one end of the receiver. The second anti-rollover component is equipped with a gyro stabilizer, which is mounted on the chassis of the sightseeing vehicle.

2. The sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to claim 1, characterized in that, The receiver receives tilt angle data from the dual-axis tilt sensor, senses the tilt angle of the vehicle body, and provides voice prompts through the voice broadcast unit.

3. The sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to claim 1, characterized in that, The gyro stabilizer is provided with a shell, which contains a three-layer structure: the middle layer is a vibration damping layer, and the inner and outer layers are support layers.

4. The sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to claim 1, characterized in that, The outer shell of the gyroscope stabilizer is provided with multiple connectors, each connector having a connection hole. Bolts are installed in the connection holes to fix the gyroscope stabilizer and the outer shell to the sightseeing vehicle chassis.

5. The sightseeing vehicle slope anti-rollover device based on a dual-axis tilt sensor according to claim 3, characterized in that, The intermediate layer is a cushioning material.

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