CN110254382B

CN110254382B - Automobile anti-collision device, anti-collision system and automobile

Info

Publication number: CN110254382B
Application number: CN201910530834.6A
Authority: CN
Inventors: 车兴平; 邱金龙; 李奎; 谢静茹; 袁丹凤; 赵辉
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-08-04
Anticipated expiration: 2039-06-19
Also published as: CN110254382A

Abstract

The invention provides an automobile anti-collision device, an automobile anti-collision system and an automobile. The device comprises an upper anti-collision beam which is arranged along part or all of the periphery of the vehicle body and is matched with the shape of the periphery of the vehicle body, and a lower anti-collision beam which is parallel to the upper anti-collision beam and is fixed on a vehicle chassis; at least one upright post is arranged between the upper anti-collision beam and the lower anti-collision beam, the end part of the upright post is fixedly connected or rotatably connected with the upper anti-collision beam and/or the lower anti-collision beam, and at least one roller capable of freely rotating is sleeved on each upright post. Will go up the anticollision roof beam, lower anticollision roof beam and cylinder set up in an organic whole, make this buffer stop when having the crashproof effect of current anticollision roof beam, because the cylinder can free rotation, consequently, the cylinder can take place rotatoryly when meetting the striking, and then decompose impact force, direction and earial drainage, reduce the effect of loss, in addition, when the cylinder receives striking stand again after the striking, because of the stand is rotatable, the impact force of applying the cylinder has carried out direction and earial drainage, be favorable to protecting the stand and reduce impact strength.

Description

Automobile anti-collision device, anti-collision system and automobile

Technical Field

The invention relates to the field of traffic safety, in particular to an automobile anti-collision device, an anti-collision system and an automobile.

Background

In a daily traffic accident, an accident in which a vehicle collides or a vehicle collides with a guard rail frequently occurs. When the automobile collides with other vehicles, the kinetic energy of the automobile cannot be decomposed, and the energy is completely absorbed by the colliding objects, so that the automobile is seriously deformed, and serious casualty accidents are caused; if the collision happens with the guardrail, the guardrail is knocked down to rush out of the road or rush into an opposite lane, and more serious results are caused. Therefore, in the prior art, an anti-collision beam is installed at the head of an automobile for protection, but the existing anti-collision beam is simple in structure and basically comprises a steel beam and a protection plate, the steel beam is connected with the protection plate, and the protection plate is installed at the head of the automobile, so that only certain anti-collision and energy-absorbing effects can be achieved.

Along with the development and the use of new energy automobile, also require to have crashproof function to the afterbody of new energy automobile (like the car that the gas jar is rearmounted), chinese patent publication No. CN108556775A among the prior art discloses a new energy automobile buffer stop, including vehicle chassis, first detection device is installed to vehicle chassis's front side, and second detection device is installed to vehicle chassis's rear side, and vehicle chassis rotates through rotary mechanism to be connected with the connecting seat, and the connecting seat passes through the joint of joint mechanism joint and has crashproof bucket. Although this patent is when the automobile collision, and the anticollision bucket rotates through rotary mechanism to decompose the impact and carry out the anticollision, but this anticollision bucket passes through the latch mechanism joint on the connecting seat, is equivalent to rotatable cantilever beam, and anti striking ability is relatively poor, and does not combine the mechanism of anticollision roof beam mechanism and anticollision bucket, makes the buffer stop structure complicated.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide an automobile anti-collision device, an anti-collision system and an automobile.

In order to achieve the above object, according to a first aspect of the present invention, there is provided an automobile impact prevention apparatus including an upper impact beam provided along a part or all of a periphery of an automobile body to match a shape of the periphery of the automobile body, a lower impact beam provided parallel to the upper impact beam and fixed to a chassis of the automobile;

at least one upright post is arranged between the upper anti-collision beam and the lower anti-collision beam, the end part of each upright post is fixedly or rotationally connected with the upper anti-collision beam and/or the lower anti-collision beam, and each upright post is sleeved with at least one roller capable of freely rotating.

The beneficial effects of the above technical scheme are: the upper anti-collision beam, the lower anti-collision beam and the roller are arranged into a whole, so that the anti-collision device has the anti-collision effect of the existing anti-collision beam, and the roller can rotate freely, so that the roller can rotate when encountering collision, and further can decompose, guide and discharge the collision force; in a scene that a common automobile is cut in at a certain angle when impacting a protective guard or the automobile and then impacts after being out of control, the roller is arranged, and when the automobile is cut in at a certain angle, the roller can be parallel to an impacting surface of the collided automobile due to rotation, so that the effects of guiding and discharging are achieved; in addition, when the end part of the upright post is rotationally connected with the upper anti-collision beam and/or the lower anti-collision beam, when the roller is impacted and then impacts the upright post, the impact force applied to the roller is decomposed, guided and discharged again due to the rotation of the upright post, and the protection of the upright post is facilitated. In the device, the drum is sleeved on the stand column, and two ends of the stand column are respectively arranged on the upper anti-collision beam and the lower anti-collision beam, so that the rigidity of the stand column is increased, and the stand column is not easy to be broken by collision. The upper anti-collision beam and the lower anti-collision beam are arranged along the peripheral shape of the automobile body, so that the shape and the size of the automobile are not influenced after the device is installed, and the device is attractive.

In a preferred embodiment of the invention, the lower impact beam is located directly below the upper impact beam.

The beneficial effects of the above technical scheme are: the size of the anti-collision device is reduced.

In a preferred embodiment of the invention, the vehicle bumper further comprises at least one supporting mechanism, the bottom of the supporting mechanism is fixed on a ground plate of the vehicle, and the top of the supporting mechanism is fixedly or detachably connected at the connecting part of the upper anti-collision beam or the upright post and the upper anti-collision beam.

The beneficial effects of the above technical scheme are: the supporting mechanism has a supporting function, and the rigidity of the automobile anti-collision device is improved.

In a preferred embodiment of the invention, at least one damping element is arranged on the support.

The beneficial effects of the above technical scheme are: the impact force received by the automobile is buffered through the buffer part, and the loss is reduced.

In a preferred embodiment of the present invention, the upper end of the pillar is connected to the mounting hole of the upper impact beam through a first bearing;

and/or the lower end of the upright post is connected with the mounting hole of the lower anti-collision beam through a second bearing;

and/or the roller is in clearance fit with the upright post;

and/or a lubricant is arranged between the roller and the upright post;

and/or the roller comprises a rigid supporting hub and an elastic outer ring, and the outer ring is sleeved outside the supporting hub.

The beneficial effects of the above technical scheme are: the upper end or the lower end of the stand column is rotatably connected with the upper anti-collision beam or the lower anti-collision beam through the bearing, so that the stand column can rotate around the central line of the mounting hole of the upper anti-collision beam or the central line of the mounting hole of the lower anti-collision beam. The roller and the upright post are in clearance fit, so that the roller can rotate freely, and the structure is low in cost and easy to realize. The friction between the roller and the upright is reduced by the lubricant, so that the roller is easier to rotate when being impacted. The supporting hub and the outer ring enable the roller to have rigidity and elasticity in appearance, the roller is not easy to deform in impact, the supporting hub increases the weight of the roller, the kinetic energy required by the rotation of the roller is increased, and therefore more impact force can be discharged.

In order to achieve the above object, according to a second aspect of the present invention, the present invention provides an intelligent anti-collision system, which includes the automobile anti-collision device of the present invention, a sensing module for detecting a collision direction, a driving assembly for driving all or part of the pillars to rotate, and a control module for receiving an output signal of the sensing module and controlling the driving assembly to drive all or part of the pillars to rotate along the collision direction.

The beneficial effects of the above technical scheme are: the control module enables the upright post to rotate along the impact direction during impact, reduces the friction force between the upright post and the roller, enables the roller to easily rotate after being impacted, and therefore the impact force is effectively decomposed, and loss is reduced.

In a preferred embodiment of the present invention, the driving assembly includes a plurality of motors, one motor corresponds to one upright, a motor shaft of the motor is in transmission connection with the upright, and the same control signal is output to all the motors through the control module, so that all the uprights in transmission connection with the motors rotate in the same direction;

or the driving assembly comprises a motor, a plurality of transmission mechanisms which drive the adjacent stand columns to rotate along the same direction and are arranged between the adjacent stand columns, a motor shaft of the motor is in transmission connection with the stand columns close to the edge, and when the stand columns close to the edge rotate, all the stand columns rotate along the same direction under the action of the transmission mechanisms.

The beneficial effects of the above technical scheme are: two structural forms of a driving assembly with one belt and multiple belts are disclosed, and the two structural forms are simple and easy to implement.

In a preferred embodiment of the present invention, the sensing module includes a plurality of collision sensors distributed around the vehicle body or on the upper impact beam or the lower impact beam, and the control module obtains the collision direction according to the sequence of the collision detected by the collision sensors;

or the sensing module comprises a plurality of distance measuring sensors distributed around the vehicle body or on the upper anti-collision beam or the lower anti-collision beam, and the control module obtains the collision direction according to the sequence of the distance signals output by the distance measuring sensors.

The beneficial effects of the above technical scheme are: two structural forms of the sensing module are disclosed, and the judgment logic is simple and quick.

In order to achieve the above object, according to a third aspect of the present invention, there is provided a vehicle characterized in that at least one vehicle anti-collision device according to the present invention is provided around a vehicle body;

or at least one intelligent anti-collision system is arranged around the vehicle body.

The beneficial effects of the above technical scheme are: the automobile anti-collision device and the intelligent anti-collision system have the beneficial effects.

In a preferred embodiment of the present invention, the vehicle anti-collision device is disposed at the vehicle head and/or the vehicle tail;

and/or the automobile anti-collision devices are arranged at four corners of the vehicle;

or the automobile anti-collision system is arranged at the head and/or the tail of the automobile;

and/or the automobile anti-collision system is arranged at four corners of the vehicle.

The beneficial effects of the above technical scheme are: the automobile collision-proof device is arranged at the head, the tail or four corners of the automobile where collision easily occurs, and can effectively reduce collision loss.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an installation of a vehicle bumper according to a preferred embodiment of the present invention;

FIG. 2 is a partial view taken from the direction A of FIG. 1;

FIG. 3 is a first partial sectional view taken along line B-B of FIG. 2;

FIG. 4 is a second partial sectional view taken along line B-B of FIG. 2;

FIG. 5 is a partial sectional view taken along line C-C of FIG. 2;

FIG. 6 is a system block diagram of a vehicle collision avoidance system in a preferred embodiment of the present invention;

FIG. 7 is a schematic diagram of a layout of a sensing module in a preferred embodiment of the present invention.

Reference numerals:

1, arranging an anti-collision beam; 101 motor; 2, an automobile chassis; 3, lower anti-collision beam; 4, vertical columns; 5, rolling a roller; 501 supporting the hub; 502 outer ring; 6, a supporting mechanism; 7 a buffer member; 8 a first bearing; 9, a sensing module; 10 a drive assembly; 11 a control module.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The invention discloses an automobile anti-collision device, which comprises an upper anti-collision beam 1 and a lower anti-collision beam 3, wherein the upper anti-collision beam 1 is arranged along part or all of the periphery of an automobile body and is matched with the periphery of the automobile body in shape, and the lower anti-collision beam 3 is parallel to the upper anti-collision beam 1 and is fixed on an automobile chassis 2;

at least one upright post 4 is arranged between the upper anti-collision beam 1 and the lower anti-collision beam 3, the end part of the upright post 4 is fixedly connected or rotationally connected with the upper anti-collision beam 1 and/or the lower anti-collision beam 3, and at least one roller 5 capable of freely rotating is sleeved on each upright post 4.

In this embodiment, go up crashproof roof beam 1 and crashproof roof beam 3 down and can be made for materials such as square steel, round steel, crashproof roof beam 3 and last crashproof roof beam 1 are parallel down, and crashproof roof beam 3 can be in the oblique below of last crashproof roof beam 1 down, and is preferred, and crashproof roof beam 3 is located crashproof roof beam 1 under down, is convenient for like this reduce the occupation space of device. The lower impact beam 3 is preferably, but not limited to, fixed to the vehicle chassis 2 by welding or fastening.

In the present embodiment, preferably, the roller 5 is in clearance fit with the upright 4, and further, the inner diameter of the roller 5 is much smaller than the outer diameter of the upright 4, this simple structure realizes the free rotation of the roller 5, when the roller 5 is impacted, it rotates according to the impacting direction, and its rotation center line can be parallel to the central axis of the upright 4 or form a certain angle with the central axis of the upright 4, and also can move in the axial direction of the upright 4.

In this embodiment, it is preferred that the roller 5 should cover all or most of the outer surface of the upright 4 (e.g., 2/3 to 5/6) so that the impact is applied to the roller 5 rather than to the upright 4, which is advantageous for resolving the impact force and protecting the upright 4. One or more, preferably more, rollers 5 are sleeved on the 1 upright post 4, so that the problem that the impact force cannot be decomposed because the whole roller 5 cannot be rotated by local impact force due to the long length of one roller 5 is solved; in addition, a plurality of rollers 5 are arranged, so that at least one roller 5 can rotate when being impacted, and the impact force can be effectively decomposed.

In the embodiment, in an application scenario, two ends of the upright post 4 may be respectively and fixedly connected with the upper impact beam 1 and the lower impact beam 3 through welding or a fastening mechanism, and the fastening mechanism may include a mounting hole respectively located on the upper impact beam 1 and the lower impact beam 3, an external thread at an end of the upright post 4, a fastening nut and a gasket which are matched with the external thread at the end of the upright post 4, and the like; in another application scenario, the upper end of the upright post 4 is fixedly connected with the upper anti-collision beam 1, and the lower end of the upright post 4 is rotatably connected with the lower anti-collision beam 3; in another application scenario, the lower end of the upright post 4 is fixedly connected with the lower anti-collision beam 3, and the upper end of the upright post 4 is rotatably connected with the upper anti-collision beam 1; in another application scenario, two ends of the upright post 4 are respectively and rotatably connected with the upper anti-collision beam 1 and the lower anti-collision beam 3. The rotary connection mode can be that a through hole is arranged on the upper anti-collision beam 1 or the lower anti-collision beam 3, the upper end or the lower end of the upright post 4 penetrates through the through hole, and a gap exists between the upper end and the lower end. Preferably, the rotary connection mode is that the upper end of the upright post 4 is connected with the mounting hole of the upper anti-collision beam 1 through a first bearing 8; and/or the lower end of the upright post 4 is connected with the mounting hole of the lower anti-collision beam 3 through a second bearing.

In the present embodiment, the drum 5 has a ring structure supported by a composite material of high-strength EVA and polyurethane, has good elasticity and anti-collision and wear resistance, can prevent the drum 5 from being crushed when impacted, and has a strong restoring force, so that the drum can immediately restore its original shape even if severely impacted.

In this embodiment, preferably, as shown in fig. 5, the drum 5 includes a rigid support hub 501 and an elastic outer ring 502, and the outer ring 502 is sleeved outside the support hub 501. The support hub 501 is preferably, but not limited to, high strength stainless steel or other steel material, and the outer race 502 is preferably, but not limited to, wear resistant rubber or a composite of the above-mentioned high strength EVA and polyurethane.

In the present embodiment, a lubricant is preferably disposed between the roller 5 and the upright 4, and the lubricant is preferably, but not limited to, mechanical oil, vegetable lubricant (such as castor oil), animal lubricant (such as beef tallow), or synthetic lubricant (such as silicone oil, fatty acid amide, oleic acid, polyester, synthetic ester, carboxylic acid).

In a preferred embodiment, as shown in the partial view of the part a in fig. 2, the device further comprises at least one support mechanism 6, the bottom of the support mechanism 6 is fixed on the floor 2 of the vehicle, and the top of the support mechanism 6 is fixedly or detachably connected to the connection part of the upper impact beam 1 or the upright 4 and the upper impact beam 1.

In the present embodiment, the supporting mechanism 6 is mainly used for supporting the anti-collision device to enhance the rigidity thereof, and preferably, the structure thereof may be a tilting shaft as shown in fig. 2 and 3, the tilting shaft may be a square shaft, a round shaft or a polygonal shaft, the upper end of the tilting shaft may be fixedly connected to the connection portion of the upper anti-collision beam 1 or the pillar 4 and the upper anti-collision beam 1 by welding, or the upper end of the tilting shaft may be detachably connected to the connection portion of the upper anti-collision beam 1 or the pillar 4 and the upper anti-collision beam 1 by surface contact or a fastener or the like; the lower end of the tilting shaft may be fixed to the car floor 2 by welding or fastening bolts or the like.

In the present embodiment, in order to avoid interference with the movement of the rollers 5, the supporting mechanism 6 is preferably disposed between the rollers 5 on the two pillars 4, and preferably, the supporting mechanism 6 is provided in plural number, and is disposed at various positions of the upper impact beam 1.

In this embodiment, the supporting mechanism 6 may also include two intersecting supporting rods, the upper ends of the two intersecting supporting rods are respectively fixedly or detachably connected to the joints between the upper impact beam 1 or the upright 4 and the upper impact beam 1, and the lower ends of the two supporting rods are respectively fixed to the vehicle floor 2.

In the present embodiment, the supporting mechanism 6 may be a triangular plate, the vertex of the triangular plate is fixedly or detachably connected to the joint of the upper impact beam 1 or the pillar 4 and the upper impact beam 1, and the bottom edge of the triangular plate is fixed to the vehicle floor 2.

In a preferred embodiment, as shown in fig. 4, at least one damping member 7 is provided on the support mechanism 6.

In the present embodiment, the support mechanism 6 is divided into two parts, and the buffer member 7 is connected in series between the two parts. The buffer member 7 converts the impact energy received by the support mechanism 6 into the elastic potential energy of the elastic element, thereby dissipating the impact force, and the buffer member 7 is preferably, but not limited to, a pressure spring, a hydraulic buffer, etc. Preferably, a plurality of damping elements 7 can be provided in series on the support mechanism 6.

The invention also discloses an intelligent anti-collision system, which comprises the automobile anti-collision device, a sensing module 9 for detecting the collision direction, a driving assembly 10 for driving all or part of the upright posts to rotate, and a control module 11 for receiving the output signal of the sensing module 9 and controlling the driving assembly 10 to drive all or part of the upright posts 4 to rotate along the collision direction, as shown in fig. 6.

In this embodiment, when the car receives the striking, because the motion of car self motion and/or external collision thing, the direction of striking can be concluded to around car anticlockwise, around car clockwise or forward striking, the direction of rotation or the rotation tendency after the cylinder 5 receives the striking is the same with the direction of striking, if stand 4 keeps the direction of rotation the same with the direction of striking this moment, can reduce the frictional force of cylinder 5 and stand 4, make cylinder 5 take place the rotation more easily, it decomposes the striking power to change, reduce the radial impact to stand 4 simultaneously, there is the guard action to stand 4. The end part of the upright post 4 is rotationally connected with the upper anti-collision beam 1 and/or the lower anti-collision beam 3.

In the present embodiment, the control module 10 is preferably, but not limited to, an MCU, a single chip microcomputer or other embedded processor.

In a preferred embodiment, the sensing module 9 comprises a plurality of crash sensors distributed around the vehicle body or on the upper or lower impact beam, and the control module 11 derives the direction of impact according to the sequence in which the crash sensors detect the crash.

In the present embodiment, a plurality of collision sensors, preferably but not limited to pressure sensors or pressure switches, are placed around the vehicle body or on the upper impact beam or the lower impact beam with gaps therebetween. The collision sensors are numbered in sequence according to the counterclockwise or clockwise position relationship, and all or part of the collision sensors can send collision information in sequence in the collision process, so that the collision direction can be obtained according to the numbers of at least the first two collision sensors sending collision signals, and the control module 11 can control the rotation direction of the upright post 4 according to the direction; if only one or more than one collision sensor is fixed to send out collision information within a period of time, it is considered as a frontal collision, and the control module 11 does not control the rotation of the upright post 4 because the rotation direction of the roller 5 is uncertain.

In the present embodiment, as shown in fig. 7, collision sensors No. 1, No. 2, No. 3, No. 4, and No. 5 are arranged in the reverse-time-hand position sequence, if collision signals are sent successively from No. 1 and No. 2, the collision direction is considered to be counterclockwise, the control module 11 controls the upright post 4 to rotate counterclockwise, if collision signals are sent successively from No. 5 and No. 4, the collision direction is considered to be clockwise, the control module 11 controls the upright post 4 to rotate clockwise, if only one or more collision sensors send collision signals within a certain period of time, the upright post 4 is considered to be frontal collision, the control module 11 does not control the upright post 4 to rotate, but the chances of frontal collision in a traffic accident are too few, the collision of a guardrail with a vehicle is cut into by a certain angle, and the vehicle is impacted after being out of.

In a preferred embodiment, the sensing module 9 comprises a plurality of distance measuring sensors distributed around the vehicle body or on the upper or lower impact beam, and the control module 11 obtains the impact direction according to the sequence of the distance signals output by the distance measuring sensors.

In the present embodiment, a plurality of distance measuring sensors, preferably, but not limited to, laser distance measuring devices, reflective photoelectric sensors, or the like, are placed around the vehicle body or in the upper impact beam or the lower impact beam with gaps therebetween, and the distance measuring sensors are numbered in the counterclockwise or clockwise positional relationship. As shown in fig. 7, the number 1, the number 2, the number 3, the number 4 and the number 5 distance measuring sensors are arranged in an anticlockwise sequence according to the positions, if the number 1 and the number 2 send out distance signals successively, the impact direction is considered to be anticlockwise, and the control module 11 controls the upright post 4 to rotate anticlockwise; if the distance signals of No. 5 and No. 4 are sent out successively, the impact direction is considered to be clockwise, and the control module 11 controls the upright post 4 to rotate clockwise; if only one or more distance measuring sensors send distance signals within a period of time, the upright post 4 is considered to be in front impact, the control module 11 does not control the upright post 4 to rotate, however, the front impact probability in the traffic accident is too small, the vehicles impacted by the impact guardrail are cut in at a certain angle, and the vehicles are impacted after being out of control.

In a preferred embodiment, as shown in fig. 2, the driving assembly 10 includes a plurality of motors 101, one motor 101 corresponds to one column 4, the motor shafts of the motors 101 are in transmission connection with the columns 4, and the same control signal is output to all the motors 101 through the control module 11, so that all the columns 4 in transmission connection with the motors 101 rotate in the same direction.

In this embodiment, the motor shaft of the motor 101 and the upright column 4 may be in transmission connection through a gear transmission or a belt transmission, and the specific structural design is conventional in the art and will not be described herein again.

In a preferred embodiment, the driving assembly comprises a motor 101, a plurality of transmission mechanisms arranged between adjacent upright posts and driving the adjacent upright posts to rotate along the same direction, wherein a motor shaft of the motor 101 is in transmission connection with the upright posts 4 near the edge, and when the upright posts 4 near the edge rotate, all the upright posts 4 rotate along the same direction under the action of the plurality of transmission mechanisms.

In the present embodiment, the transmission mechanism is preferably, but not limited to, composed of three gears, wherein two gears are respectively sleeved on the end portions of the adjacent columns 4, and the third gear is arranged between the two gears and is simultaneously in meshed transmission with the two gears, so as to ensure that the rotation directions of the adjacent two columns 4 are consistent.

In this embodiment, the transmission mechanism may have the following structure: including the first belt pulley and the second belt pulley of locating 4 tip of every stand of cover, with the first belt of first belt pulley cooperation use, with the second belt of second belt pulley cooperation use. The other end of the first belt of the ith upright post 4 is in transmission fit with the second belt pulley of the (i-1) th upright post 4, the other end of the second belt of the ith upright post 4 is in transmission fit with the first belt pulley of the (i + 1) th upright post 4, i is more than 1 and less than N, and N is the total number of the upright posts 4. The 1 st upright post 4 and the Nth upright post 4 are side-leaning upright posts 4.

The invention also discloses an automobile, wherein at least one automobile anti-collision device is arranged around the automobile body;

or at least one intelligent collision avoidance system of the present invention is provided around the vehicle body.

In a preferred embodiment, the automobile anti-collision device is arranged at the head and/or the tail of the automobile;

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An intelligent anti-collision system is characterized by comprising an automobile anti-collision device, a sensing module (9) for detecting the collision direction, a driving assembly (10) for driving all or part of upright posts to rotate, and a control module (11) for receiving an output signal of the sensing module (9) to control the driving assembly (10) to drive all or part of upright posts (4) to rotate along the collision direction;

the automobile anti-collision device comprises an upper anti-collision beam (1) which is arranged along part or all of the periphery of an automobile body and is matched with the periphery of the automobile body in shape, and a lower anti-collision beam (3) which is parallel to the upper anti-collision beam (1) and is fixed on an automobile chassis (2);

at least one upright post (4) is arranged between the upper anti-collision beam (1) and the lower anti-collision beam (3), the end part of the upright post (4) is rotatably connected with the upper anti-collision beam (1) and the lower anti-collision beam (3), and at least one roller (5) capable of freely rotating is sleeved on each upright post (4).

2. The intelligent collision avoidance system according to claim 1, wherein the drive assembly (10) comprises a plurality of motors (101), one motor (101) corresponds to one upright (4), the motor shafts of the motors (101) are in transmission connection with the upright (4), and the same control signal is output to all the motors (101) through the control module (11), so that all the uprights (4) in transmission connection with the motors (101) rotate in the same direction;

or the drive assembly comprises a motor (101), the adjacent upright posts (4) are driven to rotate along the same direction by a plurality of driving mechanisms arranged between the adjacent upright posts (4), a motor shaft of the motor (101) is in transmission connection with the upright posts (4) close to the edge, and when the upright posts (4) close to the edge rotate, all the upright posts (4) rotate along the same direction under the action of the plurality of driving mechanisms.

3. The intelligent collision avoidance system according to claim 2, wherein the sensing module (9) comprises a plurality of collision sensors distributed around the vehicle body or on the upper collision beam or the lower collision beam, and the control module (11) obtains the collision direction according to the sequence of the collision sensors detecting the collision;

or the sensing module (9) comprises a plurality of distance measuring sensors distributed around the vehicle body or on the upper anti-collision beam or the lower anti-collision beam, and the control module (11) acquires the impact direction according to the sequence of the distance signals output by the distance measuring sensors.

4. An intelligent collision avoidance system according to claim 1, wherein the lower collision beam (3) is located directly below the upper collision beam (1).

5. The intelligent collision avoidance system according to claim 1, further comprising at least one support mechanism (6), wherein the bottom of the support mechanism (6) is fixed on the vehicle floor (2), and the top of the support mechanism (6) is fixedly or detachably connected to the connection position of the upper collision beam (1) or the upright (4) and the upper collision beam (1).

6. Intelligent collision avoidance system according to claim 5, characterized in that at least one damping element (7) is provided on the support mechanism (6).

7. An intelligent collision avoidance system according to any one of claims 1 to 6, wherein the upper end of the upright (4) is connected to the mounting hole of the upper collision beam (1) via a first bearing (8);

and/or the lower end of the upright post (4) is connected with the mounting hole of the lower anti-collision beam (3) through a second bearing;

and/or the roller (5) is in clearance fit with the upright post (4);

and/or a lubricant is arranged between the roller (5) and the upright post (4);

and/or the roller (5) comprises a rigid supporting hub (501) and an elastic outer ring (502), and the outer ring (502) is sleeved outside the supporting hub (501).

8. An automobile, characterized in that at least one intelligent collision avoidance system according to any one of claims 1-7 is provided around the body.

9. The automobile according to claim 8, wherein the automobile collision avoidance system is disposed at the head and/or tail of the automobile;

or the automobile anti-collision system is arranged at four corners of the vehicle.