Van and anti-rollover control method thereof

Abstract

The invention relates to the field of transport vehicles, and discloses a van and an anti-rollover control method thereof.The van comprises a compartment (1) used for containing goods (9), a sensing module used for monitoring the rollover risk of a van body and an anti-rollover control system; the anti-rollover control system comprises a micro-cavity telescopic module (2), an air bag type cargo supporting module (3) and an air pump (4), the micro-cavity telescopic module (2) and the air bag type cargo supporting module (3) are arranged on the inner side of a carriage side plate (11), and the air pump (4) is arranged to selectively inflate the micro-cavity telescopic module (2) and / or the air bag type cargo supporting module (3) according to the rollover risk monitored by a sensing module. The transverse position of goods (9) contained in the compartment (1) is changed by adjusting the stretching amount of the micro-cavity stretching module (2) in the compartment (1) and / or the inflation state of the air bag type goods supporting module (3), and therefore the rollover risk is reduced or rollover accidents are avoided.

Description

Technical Field

[0001] The present invention relates to the field of transport vehicles, and in particular to a van. In addition, the present invention also relates to an anti-rollover control method for a van. Background Art

[0002] When a vehicle turns at high speed or travels over uneven roads, it is easy for the vehicle's center of mass to shift, the centrifugal force to exceed the limit, and other factors to cause a rollover accident, resulting in property damage or even casualties. In response to this, the prior art provides a variety of anti-rollover systems and methods applicable to different types of vehicles, which can be roughly divided into the following forms: First, the position of the counterweight is adjusted laterally based on the vehicle's state. For example, Chinese invention patent application CN106428258A provides a vehicle rollover prevention device and method, which includes a magnetic gravity hammer positioned laterally on top of the vehicle. When the vehicle is about to lose balance under the action of centrifugal force, the suction cup electromagnet on the higher side is controlled to attract the gravity piston serving as the counterweight to slide rapidly toward the higher side of the vehicle, thereby increasing the weight on that side to restore lateral balance and prevent the vehicle from rolling over. Second, adjust the vehicle body posture or vehicle driving control according to the vehicle state, including speed control, steering control and differential braking. For example, Chinese invention patent application CN101554865A provides an anti-rollover system. When the car makes a sharp turn, the control device controls the hydraulic adjustment system to raise the height of the outer side of the vehicle body and lower the height of the inner side of the vehicle body, so that the center of gravity of the vehicle body is shifted inward and the center of gravity is prevented from moving upward, thereby reducing centrifugal force and preventing rollover accidents. For another example, Chinese invention patent CN112141080A provides an anti-rollover control method for mining transport vehicles. When a possible rollover is detected, the anti-rollover execution layer controls the vehicle behavior, such as taking active steering action, differential braking action or reducing the vehicle speed.

[0003] Third, it provides ground support when a vehicle rolls over. For example, Chinese invention patent application CN109774675A provides a vehicle rollover self-protection alarm device. When a rollover is detected, multiple swing arms are driven to swing out in the direction of the vehicle's tilt and support the ground, preventing the vehicle from rolling over further and protecting the vehicle and surrounding personnel.

[0004] However, the above-mentioned anti-rollover systems and methods all focus on the adjustment and control of the vehicle itself, and fail to fully consider and utilize the impact of the cargo loaded on the vehicle on rollover accidents, or are not suitable for application to cargo vehicles due to factors such as cost and space layout. Summary of the Invention

[0005] The purpose of the present invention is to provide an anti-rollover control system and method suitable for a van, which can adjust the lateral position of the cargo in the compartment when a rollover risk is detected to change the lateral center of gravity position, reduce the rollover risk or avoid the occurrence of a rollover accident.

[0006] To achieve the above objectives, the present invention provides a van truck, comprising a compartment for accommodating cargo, a sensing module for monitoring the risk of vehicle body rollover, and an anti-rollover control system, the anti-rollover control system comprising: Micro-cavity telescopic module and airbag cargo support module located on the inside of the carriage side panel; an air pump configured to selectively inflate the micro-cavity expansion module and / or the airbag cargo support module based on the rollover risk monitored by the sensing module, so as to change the lateral position of the cargo accommodated in the vehicle compartment by adjusting the expansion and contraction amount of the micro-cavity expansion module in the vehicle compartment and / or the inflation state of the airbag cargo support module.

[0007] Preferably, a plurality of the micro-cavity telescopic modules are respectively provided on the inner sides of the car side panels on both sides in an array, and each of the micro-cavity telescopic modules is respectively fixedly connected to the side panel of the car side panel and defines a plurality of micro-cavity structures with independent air cavities inside, and the air pump is configured to be able to inflate the independent air cavities so that the micro-cavity telescopic module extends into the car compartment.

[0008] Preferably, the airbag cargo support module is arranged on the side of the microcavity telescopic module facing the interior of the vehicle compartment, and is connected to a flexible vent joint for passing gas from an air pump into the airbag cargo support module. The flexible vent joint is configured to allow the airbag cargo support module to move into the vehicle compartment when the microcavity telescopic module is extended into the vehicle compartment.

[0009] Preferably, the air pump is configured to supply gas to each or each group of the micro-cavity telescopic modules and the airbag-type cargo supporting modules through a plurality of independent gas channels.

[0010] Preferably, the top of the carriage has a mounting frame extending longitudinally, and the carriage has a carriage roof panel connected to the carriage side panels as a whole, wherein the air pump is arranged at the connecting corner of the carriage roof panel and the carriage side panels; and / or, a first telescopic drive unit connected to the carriage roof panel or the carriage side panel is installed on the mounting frame, and the first telescopic drive unit can be driven to pivot the carriage roof panel and the carriage side panels relative to the mounting frame to lift the carriage side panels to an open state in which both sides of the carriage are open.

[0011] Preferably, the carriage has a carriage floor for carrying goods, and the anti-rollover control system further comprises a second telescopic drive unit connected to the carriage floor so as to be able to drive the carriage floor to flip sideways around a longitudinal center line.

[0012] Further preferably, the vehicle floor comprises a plurality of floor panels spliced ​​together, and the anti-rollover control system comprises a plurality of second telescopic drive units mounted on a vehicle frame and pivotally connected to corresponding floor panels, so that adjacent floor panels can move relative to each other within a predetermined range by extending the plurality of second telescopic drive units to different lengths.

[0013] Further preferably, anti-collision buffer strips are respectively provided on both sides of the vehicle floor facing the vehicle side panels.

[0014] Preferably, the van also includes unloading side panels connected to both sides of the frame and a third telescopic drive unit for driving the unloading side panels to move between a stowed position and a unloading position. When in the stowed position, the unloading side panels are attached to the outer sides of the vehicle body side panels; when in the unloading position, the unloading side panels can be supported on the ground on both sides.

[0015] A second aspect of the present invention provides the above-mentioned method for preventing rollover of a van, comprising: S1. The perception module monitors the risk of vehicle rollover; S2. When the rollover risk reaches a predetermined level, the air pump is activated to inflate the micro-cavity telescopic module and / or the airbag cargo support module on the corresponding side to change the lateral position of the cargo accommodated in the compartment.

[0016] Through the above technical solution, the van and its rollover prevention control method of the present invention can utilize a sensing module to monitor the rollover risk of the vehicle body. When the risk of a rollover accident is detected, the air pump is controlled to inflate the micro-cavity telescopic modules and / or airbag-type cargo support modules on the vehicle side panels, thereby pushing the cargo in the vehicle sideways. This changes the shape and / or position of the cargo and overall changes the lateral center of gravity, thereby reducing the rollover risk or avoiding the occurrence of a rollover accident. Even for heavier cargo, when the van rolls, the air pump can inflate the micro-cavity telescopic modules and / or airbag-type cargo support modules on the lower side of the vehicle side panels to prevent or limit the cargo from shifting to that side, thereby reducing the rollover risk caused by the lateral movement of the cargo.

[0017] In a preferred embodiment, the van of the present invention can also dynamically shift the floor around its longitudinal centerline, thereby finely adjusting the distribution of cargo within the vehicle and adjusting the overall center of gravity. To this end, the floor can be configured with multiple interconnected floor panels to fully meet the requirements for relative movement and precise control of the floor's lateral shifting. Furthermore, the van of this preferred embodiment integrates assisted unloading with ground support and rollover mitigation, effectively enhancing its ease of use and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of a van according to a preferred embodiment of the present invention; Figure 2 Observed from another perspective Figure 1 A perspective view of a van in [the text appears to be unrelated and may be an error]; Figure 3 yes Figure 1 A rear side view of a van with cargo loaded in the cabin; Figure 4 yes Figure 3 A rear view of the micro-cavity telescopic module and airbag cargo support module on one side of the vehicle compartment side panel of a medium-sized truck when inflated to support the side of the cargo; Figure 5 This is a front view of the carriage side panel equipped with a micro-cavity telescopic module and an airbag cargo support module; Figure 6 It will Figure 5 A view of the center car side panel with the airbag-type cargo support module removed; Figure 7 is a partial cross-sectional enlarged view showing the micro-cavity structure in the micro-cavity telescopic module; Figure 8 It is a diagram showing the changing state of the micro-cavity structure in the micro-cavity telescopic module before and after inflation and deflation; Figure 9 is a partial cross-sectional view showing the installation structure of the airbag cargo support module; Figure 10 is an enlarged view showing the vent connection structure of the airbag-type cargo support module; Figure 11 is a view of the side of the airbag cargo support module facing the micro-cavity telescopic module; Figure 12 is a rear side view of a van according to a preferred embodiment of the present invention, wherein the vehicle bed is driven to flip from an initial position to a predetermined angle about a longitudinal centerline; Figure 13 yes Figure 12 A perspective view of the bed of a medium van; Figure 14 yes Figure 13 Front view of the middle carriage floor; Figure 15 yes Figure 14 A partial enlarged view of the middle car floor, showing the I-shaped clips connecting adjacent floor panels; Figure 16 yes Figure 14 Another partial enlarged view of the middle compartment floor, showing the anti-collision buffer strips provided on the side edges of the compartment floor; Figure 17 yes Figure 1 A perspective view of the van in unloading mode; Figure 18 yes Figure 1 Rear view of the van in unloading mode.

[0019] Description of Reference Numerals 1-carriage; 11-carriage side panel; 12-carriage roof panel; 13-carriage floor panel; 131-floor panel; 132-I-shaped card strip; 133-anti-collision buffer strip; 14-mounting frame; 15-first telescopic drive unit; 2-micro-cavity telescopic module; 21-micro-cavity structure; 22-independent air cavity; 23-distribution and diversion cavity; 24-decorative panel layer; 3-airbag cargo support module; 31-flexible vent connector; 32-vent interface; 4-air pump; 42-first inflation channel; 43-second inflation channel; 5-vehicle frame; 6-second telescopic drive unit; 7-third telescopic drive unit; 8-unloading side panel; 9-cargo. DETAILED DESCRIPTION

[0020] The following describes the specific embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0021] In this disclosure, unless otherwise indicated, directional terms such as "up," "down," "left," and "right" generally refer to the up, down, left, and right positions shown in the accompanying drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component. Furthermore, for clarity, the relative positions of components, structures, or movements are described using the vehicle coordinate system commonly used in the art. Specifically, "lateral" corresponds to the vehicle's Y-axis, and "longitudinal" corresponds to the vehicle's X-axis. When the vehicle is stationary on a level surface, the X-axis is parallel to the ground and points forward of the vehicle, while the Y-axis points to the driver's left.

[0022] Reference Figures 1 to 4As shown, a van truck according to a preferred embodiment of the present invention includes a cab and a compartment 1 provided longitudinally rearward of the cab. The compartment 1 can form a relatively closed storage space to accommodate cargo 9. Typically, the compartment 1 has a compartment floor 13, compartment side panels 11, and a compartment roof 12 that form the storage space, so that the cargo 9 accommodated therein can be supported by the compartment floor 13, and the compartment side panels 11 and compartment roof 12 provide functions such as rain protection, sun protection, and dust protection.

[0023] In order to improve the safety of use, the van of the present invention also includes a sensing module and an anti-rollover control system, wherein the sensing module can monitor the risk of the vehicle body rolling over, and the anti-rollover control system can adjust the lateral position of the cargo 9 in the vehicle compartment 1 according to the rollover risk monitored by the sensing module, so as to change the lateral center of gravity position, reduce the rollover risk or avoid the occurrence of a rollover accident. Specifically, the sensing module can adopt any suitable form in the prior art, and calculate the current rollover index of the vehicle by monitoring the vehicle body tilt angle, center of gravity position, pressure distribution, etc. in real time at key positions such as the vehicle floor and vehicle suspension, so as to enable the anti-rollover control system to adaptively adjust the lateral position of the cargo 9. More specifically, the sensing module can include a signal acquisition unit for collecting rollover signals and a data processing unit for processing the collected rollover signals and judging the rollover risk, etc., wherein the signal acquisition unit can include, for example, a vehicle suspension force sensor, a vehicle body tilt sensor, etc.

[0024] In order to adjust the lateral position of the cargo 9 in the compartment 1, the anti-rollover control system adopted by the van of the present invention includes a micro-cavity telescopic module 2 and an airbag cargo support module 3 arranged on the inner side of the compartment side panel 11, and an air pump 4 for inflating the micro-cavity telescopic module 2 and the airbag cargo support module 3. Therefore, when the sensing module detects that there is an imminent risk of rollover, the air pump 4 can selectively inflate the micro-cavity telescopic module 2 and the airbag cargo support module 3, thereby adjusting the telescopic amount of the micro-cavity telescopic module 2 in the compartment 1, or adjusting the inflation state of the airbag cargo support module 3, thereby changing the lateral position of the cargo 9 accommodated in the compartment 1. It is understood that when the micro-cavity expansion modules 2 and airbag-type cargo support modules 3 on one side of the compartment 1 are inflated to allow the cargo 9 in the compartment 1 to move laterally to the other side, if necessary, the micro-cavity expansion modules 2 and airbag-type cargo support modules 3 on the other side of the compartment 1 can be squeezed to release gas outward, thereby making room for the lateral movement of the cargo 9. Under normal conditions, to ensure sufficient storage space in the compartment 1, the micro-cavity expansion modules 2 and airbag-type cargo support modules 3 can remain in a non-inflated state; however, after the cargo 9 is loaded into the compartment 1, they can be appropriately inflated to provide lateral support for the cargo 9.

[0025] Through the above-described technical solution, the van of the present invention can utilize a sensing module to monitor the risk of rollover. When a rollover risk is detected, the air pump 4 is controlled to inflate the micro-cavity expansion module 2 and / or the airbag-type cargo support module 3 on the side panel 11, thereby pushing the cargo 9 inside the vehicle compartment 1 laterally. This changes the cargo's shape and / or position, and overall shifts the lateral center of gravity, thereby reducing the risk of rollover or preventing a rollover accident. Compared to existing rollover prevention systems and methods, the present invention provides a novel rollover prevention solution specifically suited for vans. This solution goes beyond the vehicle's own adjustments and controls and fully leverages the impact of the cargo on rollovers. By altering the lateral position of the cargo inside the compartment, the lateral center of gravity is shifted overall, leveraging the cargo's own weight to suppress rollover accidents. This rollover prevention solution eliminates the need for complex modifications to the vehicle's control system and utilizes inflation and deflation to adjust the vehicle's center of gravity. Consequently, it effectively improves van safety at a relatively low cost and with minimal space requirements.

[0026] Even for heavy cargo, when the van rolls over, the air pump 4 can inflate the micro-cavity telescopic module 2 and / or the airbag cargo support module 3 on the lower side of the vehicle compartment side panel 11 to prevent or limit the cargo from shifting to that side, thereby reducing the risk of rollover caused by lateral movement of the cargo.

[0027] As previously mentioned, the present invention provides a novel rollover mitigation solution specifically suited for vans, not simply an alternative to existing rollover mitigation technologies. While this may complicate the van's structure and increase its cost, it still offers practical benefits in terms of enhancing active safety. For example, when a vehicle is carrying relatively heavy cargo and traveling on uneven surfaces, existing methods such as adjusting the vehicle's own counterweight or ground support may not be sufficient to offset the additional rollover moment introduced by the cargo. However, the present invention improves rollover mitigation by controlling or limiting the cargo's lateral position, effectively enhancing freight safety.

[0028] Figure 3 The figure shows a rear side view of a van when the micro-cavity telescopic modules 2 and the airbag cargo support modules 3 on the side panels 11 on both sides are in an uninflated state. Figure 2 and Figure 4 The three-dimensional view and rear side view of the micro-cavity expansion module 2 and the airbag cargo support module 3 on the side panel 11 of the vehicle compartment on one side (right side) after being inflated are shown respectively. In order to more clearly illustrate the specific structure and principle of the anti-rollover control system, Figures 5 to 11 The figures show the overall and partial views of an anti-rollover control system according to a preferred embodiment.

[0029] The inner sides of the side panels 11 on both sides of the carriage can be provided with a plurality of micro-cavity telescopic modules 2 distributed in an array, and the airbag cargo support module 3 can be arranged on the side of the micro-cavity telescopic module 2 facing the interior of the carriage 1. Figure 5 and Figure 6 In the preferred embodiment shown, one side of the vehicle compartment side panel is provided with two rows and four columns, totaling eight micro-cavity telescopic modules 2, and correspondingly, four rows and eight columns, totaling sixteen airbag-type cargo support modules 3. An air pump 4 is configured to supply gas to each group of micro-cavity telescopic modules 2 and airbag-type cargo support modules 3 through multiple independent gas channels. For example, corresponding to the micro-cavity telescopic modules 2 arranged in the array described above, the air pump 4 may be connected to four first gas charging channels 42, each for charging each column of micro-cavity telescopic modules 2. To facilitate gas delivery to the airbag-type cargo support modules 3 by utilizing the space between two adjacent columns of micro-cavity telescopic modules 2, the air pump 4 may be connected to second gas charging channels 43 at positions corresponding to the positions between two adjacent columns of micro-cavity telescopic modules 2, and also at positions corresponding to the two columns of airbag-type cargo support modules 3 adjacent to the front and rear edges. Thus, each of the eight columns of airbag-type cargo support modules 3 can be inflated via a total of five second gas charging channels 43.

[0030] Each micro-cavity telescopic module 2 can be fixedly connected to the side panel of the vehicle compartment side panel 11 by means of snap connection, screw connection or riveting, and defines a plurality of micro-cavity structures 21 with independent air cavities 22 inside. Figure 7 The partial cross-sectional structure of one of the micro-cavity telescopic modules 2 is shown. In this preferred embodiment, the micro-cavity telescopic module 2 has a distribution and diversion cavity 23 distributed along the thickness direction, a micro-cavity structure 21, and a decorative plate layer 24, wherein a plurality of independent air cavities 22 are defined in the micro-cavity structure 21. When it is necessary to inflate the micro-cavity telescopic module 2 from an uninflated contracted state to an inflated state extending into the compartment 1, the air pump 4 injects pressurized gas into the distribution and diversion cavity 23 through the corresponding first inflation channel 42, and then transports the pressurized gas to the independent air cavity 22 of the micro-cavity structure 21 through the distribution and diversion cavity 23, thereby extending the micro-cavity telescopic module 2 into the compartment 1 to be able to push the cargo in the compartment 1. Each distribution and diversion cavity 23 can be connected to a first inflation channel 42 and connected to a column of micro-cavity telescopic modules 2.

[0031] Combine Figure 8As shown, during the extension of the micro-cavity telescopic module 2, the airbag-type cargo support module 3 can move inward of the vehicle compartment 1, as will be described in detail later. Within each micro-cavity telescopic module 2, a corrugated structure can be used to define and seal multiple independent air cavities 22. When uninflated, these corrugated structures are in an elastically contracted state, automatically venting the gas within them and freeing up space within the vehicle compartment. After being inflated by the air pump 4, the corrugated structures extend into the vehicle compartment until they are fully extended. At this point, the independent air cavities 22 are filled with gas, and the micro-cavity telescopic module 2 reaches its maximum thickness.

[0032] In the above-mentioned micro-cavity telescopic module 2, the side wall of the distribution and guide cavity 23 can be made by injection molding, welding and other processes, and is preferably made of HDPE air duct material; the corrugated structure can be extruded or low-pressure injection molded by rubber material (such as EPDM or TPV); the decorative panel layer 24 can be made of PP composite material, PC / ABS, etc.

[0033] Reference Figure 6 、 Figures 9 to 11 As shown, ventilation ports 32 for introducing gas into the airbag-type cargo support modules 3 are provided between two adjacent micro-cavity expansion modules 2 and on both sides of the arrayed micro-cavity expansion modules 2. A flexible vent connector 31 connected to the ventilation port 32 is connected to the side of each airbag-type cargo support module 3 facing the micro-cavity expansion module 2. The flexible vent connector 31 is configured to allow the airbag-type cargo support module 3 to move into the vehicle compartment 1 when the micro-cavity expansion module 2 is inflated and extended into the vehicle compartment 1. Figure 9 and Figure 10 The connection structure between the flexible vent joint 31 and the vent interface 32 is shown, wherein the flexible vent joint 31 can be made of an elastic material such as TPEE, and is formed to be able to retract together when the micro-cavity telescopic module 2 is extended into the vehicle compartment 1.

[0034] The airbag cargo support module 3 can be fixed to the inner surface of the decorative panel layer 24 of the micro-cavity expansion module 2 via a metal bracket. When air is pumped into the module via the air pump 4 (via the second inflation channel 43), or when the micro-cavity expansion module 2 extends and moves into the vehicle compartment, the airbag cargo support module 3 can compress the cargo, causing it to adaptively move within the vehicle compartment 1 or provide fixed support to ensure stable transportation. The airbag cargo support module 3 can be made of TPU or nylon with a protective coating on the outer surface, or it can be made of PVC combined with a high-strength fiber mesh.

[0035] Reference Figures 3 to 6In a preferred embodiment of the van truck of the present invention, the top of the vehicle body 1 may have a longitudinally extending mounting bracket 14, and the vehicle body roof panel 12 may be divided into two sections, each pivotally connected to the mounting bracket 14 and integrally connected to the corresponding vehicle body side panel 11. As a result, the air pump 4 can be positioned at the corner where the vehicle body roof panel 12 and vehicle body side panel 11 meet, avoiding occupying the effective storage space within the vehicle body 1 and facilitating the pumping of gas to the micro-cavity expansion module 2 and the airbag-type cargo support module 3 located inside the vehicle body side panel 11.

[0036] The mounting frame 14 may be provided with a first telescopic driving unit 15 (such as a cylinder or a pneumatic cylinder) connected to the compartment roof panel 12 or the compartment side panel 11, so as to be driven to pivot the compartment roof panel 12 and the compartment side panel 11 relative to the mounting frame 14, thereby lifting the compartment side panel 11 outwards to present a Figure 17 and 18 The open state shown. At this point, both sides of the carriage 1 are completely open, facilitating cargo loading and unloading from both sides. Thus, the present invention provides a carriage structure that, by configuring the carriage side panels 11 to open upward, not only facilitates the placement of components such as the air pump, but also reduces the risk of collision with the micro-cavity telescopic module 2 and the airbag-type cargo support module 3 during loading and unloading.

[0037] In a more preferred embodiment of the present invention, Figure 12 As shown, the anti-rollover control system also includes a second telescopic drive unit 6 connected to the vehicle floor 13 to drive the vehicle floor 13 to flip laterally about its longitudinal centerline. This second telescopic drive unit 6 may, for example, comprise a cylinder mounted on the vehicle support (frame 5) and pivotally connected at its top end to the underside of the vehicle floor 13. Therefore, when the position of cargo within the vehicle needs to be adjusted, in addition to utilizing the aforementioned micro-cavity telescopic module 2 and airbag cargo support module 3 to propel the cargo, the vehicle floor 13 can also be flipped laterally about its longitudinal centerline to finely adjust the cargo distribution within the vehicle and adjust the overall center of gravity, further enhancing anti-rollover safety.

[0038] More specifically, combined Figures 13 to 16As shown, the vehicle floor 13 may include multiple floor panels 131 interconnected by I-shaped clips 132, such as two rows and three columns of six floor panels 131 connected by I-shaped clips 132. The bottom of each floor panel 131 is connected to the aforementioned second telescopic drive unit 6. This allows for the height difference at different locations of the vehicle floor 13 to be adjusted by extending these second telescopic drive units 6 to different lengths, allowing for precise adjustment of cargo distribution within the vehicle, fully satisfying the requirements for relative movement and precise control of the vehicle floor's lateral tilting. More specifically, when cargo needs to be moved to one side of the vehicle, the second telescopic drive unit 6 corresponding to the floor panel 131 on that side can be kept stationary or extended to a smaller length, while the second telescopic drive unit 6 corresponding to the floor panel 131 on the other side can be extended to a greater extent, thereby raising the height of the vehicle floor 13 on that side. Among them, during the above-mentioned adjustment process, the second telescopic drive unit 6 corresponding to the middle row of floor panels 131 can be extended to an appropriate length, which not only provides a height-direction movement space for the lateral flipping of the car floor 13, but also can overall limit its flipping angle and displacement range, thereby avoiding uncontrollable movement of the goods in the car and causing damage.

[0039] Figure 13 and Figure 14 A perspective view and a front view of a vehicle floor comprising six floor panels 131 are shown respectively. Figure 15 and Figure 16 A further enlarged partial view is shown. The edges of adjacent floor panels 131 can be snapped into the slots of the I-shaped clips 132 therebetween. Collision-resistant bumper strips 133 are provided on both sides of the floor panel 13 facing the side panels 11. These I-shaped clips 132 and bumper strips 133 can be made of wear-resistant, oil-resistant elastic materials such as TPV and EPDM, and have air holes and / or hollow structures to allow relative movement between the floor panels 131 and between the floor panel 13 and the side panels 11, thereby providing energy buffering. The floor panels 131 can be formed with upward projections or beam-like structures, increasing their overall rigidity while also serving as the primary load-bearing component for bearing and transmitting the weight of the cargo. Consequently, the I-shaped clips 132 between adjacent floor panels and the bumper strips 133 on both sides of the floor panel can bear only small loads or perform almost no load-bearing function.

[0040] In another preferred embodiment, the multiple floor panels 131 can also be connected to each other via a metal hinge structure, allowing the second telescopic drive unit 6 to drive adjacent floor panels 131 to move relative to each other, thereby adjusting the lateral position of the cargo within the vehicle. Compared to the aforementioned connection method using I-shaped clips, the hinged structure can ensure better integrity of the vehicle floor, but it also has relatively higher manufacturing and maintenance costs.

[0041] Reference Figure 12 、 Figure 17 and Figure 18 As shown, the van of the present invention may also include unloading side panels 8 connected to both sides of the vehicle frame 5 and a third telescopic drive unit 7 for driving the unloading side panels 8 between a stowed position and a loading position. When in the stowed position, the unloading side panels 8 abut against the outer sides of the vehicle body side panels 11; when in the loading position, the unloading side panels 8 can be supported on the ground on both sides. This integrates unloading assistance with ground support and rollover mitigation, effectively improving its convenience and safety. The third telescopic drive unit 7 may include multiple hydraulic struts connected between the vehicle frame and the unloading side panels to form a four-bar linkage, allowing the unloading side panels to be suspended at any position between the stowed and loading positions. Furthermore, energy-absorbing devices may be provided on the top or outer side (in the stowed position) of the unloading side panels 8 to reduce the kinetic energy of the rollover impact in the event of a rollover, providing a buffering and protective effect on the vehicle body.

[0042] The working principle of the above-mentioned preferred embodiment of the van and the anti-rollover control method provided by the present invention will be exemplified below in combination with the application of the preferred embodiment in different scenarios.

[0043] Anti-rollover mode (taking left turn as an example): The van and anti-rollover control method thereof of the present invention can realize staged prevention and rollover safety protection functions, including an initial warning stage, an imbalance stage, an instability critical stage and an irreversible rollover stage.

[0044] During vehicle travel, the sensing module monitors the risk of vehicle rollover. If the lateral acceleration generated by turning reaches a predetermined threshold, it may cause the center of gravity of the cargo to shift, leading to a rollover risk. During this phase, in addition to issuing a rollover warning signal to the driver, prompting them to slow down and stabilize their vehicle, and actively adjusting the suspension and tire pressure, the system can also activate the air pump 4 to rapidly inflate the airbag-type cargo support module 3 on the right side panel 11 and / or drive the floor panel 13 to flip sideways about its longitudinal centerline (raising the right floor panel 131 and lowering the left floor panel 131). This pushes the cargo to the left, shifting its center of gravity to the left and reducing the risk of rollover.

[0045] When it is further monitored that the vehicle body is in a critical stage of imbalance and instability, the inclination angle of the vehicle floor 13 can be further increased, and the air pump 4 can be used to inflate the right micro-cavity telescopic module 2 to further push the cargo to the left.

[0046] When the left wheel leaves the ground, the vehicle body enters an irreversible rollover process. At this point, the left unloading side panel 8 can be driven toward the unloading position to further adjust the center of gravity of the vehicle body. Simultaneously, the right unloading side panel 8 can also be moved toward the unloading position, providing ground support and utilizing its energy-absorbing buffer (if any) to mitigate the kinetic energy of the rollover impact.

[0047] Unloading mode: Step 1: Identify and adaptively adjust cargo position. The perception module monitors cargo distribution in real time, triggers an early warning, and adaptively adjusts cargo position. Step 2: Based on unloading preparations and the unloading mode (directional or full), the corresponding unloading side panel rotates downward and rests on the ground. Step 3: The side panels and roof panel swing upward, and the floor panel flips and vibrates to assist in unloading cargo. The system then identifies any abnormal cargo accumulation and responds accordingly. Step 4: The floor panel returns to a horizontal position, the side panels and roof panel retract, and the unloading side panel returns to its stowed position.

[0048] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, the technical solution of the present invention may be subjected to a variety of simple modifications, including combining the various specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as disclosed in the present invention and fall within the scope of protection of the present invention.

Claims

1. A van truck comprising a compartment (1) for accommodating cargo (9), a sensing module for monitoring the risk of a vehicle body rollover, and an anti-rollover control system, characterized in that: The anti-rollover control system includes: A micro-cavity telescopic module (2) and an airbag-type cargo support module (3) provided on the inner side of the carriage side panel (11); An air pump (4) is configured to selectively inflate the micro-cavity telescopic module (2) and / or the airbag-type cargo support module (3) according to the rollover risk monitored by the sensing module, so as to change the lateral position of the cargo (9) contained in the vehicle compartment (1) by adjusting the telescopic amount of the micro-cavity telescopic module (2) in the vehicle compartment (1) and / or the inflation state of the airbag-type cargo support module (3).

2. The van according to claim 1, characterized in that: A plurality of micro-cavity telescopic modules (2) are respectively provided on the inner sides of the compartment side panels (11) on both sides in an array distribution. Each of the micro-cavity telescopic modules (2) is respectively fixedly connected to the side metal panels of the compartment side panels (11) and defines a plurality of micro-cavity structures (21) with independent air cavities (22) therein. The air pump (4) is configured to be able to inflate the independent air cavities (22) so that the micro-cavity telescopic modules (2) extend into the compartment (1).

3. The van according to claim 1, wherein: The airbag cargo support module (3) is arranged on a side of the microcavity telescopic module (2) facing the interior of the vehicle compartment (1), and is connected to a flexible vent joint (31) for passing gas from an air pump (4) into the airbag cargo support module (3). The flexible vent joint (31) is configured to allow the airbag cargo support module (3) to move into the vehicle compartment (1) together with the microcavity telescopic module (2) when the microcavity telescopic module (2) extends into the vehicle compartment (1).

4. The van according to claim 1, wherein: The air pump (4) is configured to supply gas to each or each group of the micro-cavity telescopic modules (2) and the airbag-type cargo support modules (3) through a plurality of independent gas channels.

5. The van according to claim 1, characterized in that: The top of the carriage (1) has a mounting frame (14) extending in the longitudinal direction, and the carriage (1) has a carriage roof (12) integrally connected to the carriage side panels (11), wherein: The air pump (4) is arranged at a connecting corner of the compartment roof (12) and the compartment side panel (11); and / or, a first telescopic drive unit (15) connected to the compartment roof (12) or the compartment side panel (11) is installed on the mounting frame (14), and the first telescopic drive unit (15) can be driven to pivot the compartment roof (12) and the compartment side panel (11) relative to the mounting frame (14) to lift the compartment side panel (11) to an open state in which both sides of the compartment (1) are open.

6. The van according to claim 1, characterized in that: The carriage (1) has a carriage floor (13) for carrying cargo (9), and the anti-rollover control system further comprises a second telescopic drive unit (6) connected to the carriage floor (13) so as to be able to drive the carriage floor (13) to flip sideways around a longitudinal centerline.

7. The van according to claim 6, characterized in that: The vehicle compartment floor (13) comprises a plurality of floor panels (131) spliced ​​together, and the anti-rollover control system comprises a plurality of second telescopic drive units (6) mounted on the vehicle frame (5) and respectively pivotally connected to corresponding floor panels (131), so that adjacent floor panels (131) can move relative to each other within a predetermined range by extending the plurality of second telescopic drive units (6) to different lengths.

8. The van according to claim 6, characterized in that: Anti-collision buffer strips (133) are respectively provided on both sides of the carriage bottom plate (13) facing the carriage side plates (11).

9. The van according to claim 1, wherein: The van further comprises unloading side panels (8) connected to both sides of the vehicle frame (5) and a third telescopic drive unit (7) for driving the unloading side panels (8) to move between a stowed position and an unloading position; when located at the stowed position, the unloading side panels (8) are attached to the outer sides of the vehicle body side panels (11); and when located at the unloading position, the unloading side panels (8) can be supported on the ground on both sides.

10. A method for preventing rollover of a van, characterized in that: The van is a van according to any one of claims 1 to 9, and the anti-rollover control method includes: S1. The perception module monitors the risk of vehicle rollover; S2. When the rollover risk reaches a predetermined level, the air pump (4) is activated to inflate the micro-cavity telescopic module (2) and / or the airbag cargo support module (3) on the corresponding side to change the lateral position of the cargo (9) contained in the vehicle compartment (1).

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