CN214112480U

CN214112480U - Auxiliary braking system for large vehicle

Info

Publication number: CN214112480U
Application number: CN202022875300.8U
Authority: CN
Inventors: 陈京哲; 陈光标
Original assignee: Hangzhou Yunqi Iot Technology Co ltd
Current assignee: Hangzhou Yunqi Iot Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-09-03
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an auxiliary brake system for a large vehicle, which comprises a main controller; the detection radar is used for receiving the configuration data and detecting an object with a preset distance in the blind area of the vehicle according to a preset angle; the vehicle speed sensor is used for acquiring the running speed of the vehicle; the alarm is used for sending alarm information; the controller is connected with the brake pedal and is used for controlling the brake pedal to move; the detection radar, the vehicle speed sensor, the alarm and the controller are respectively connected with the main controller. The utility model discloses according to the real-time data of vehicle driving in-process, object in the monitoring vehicle blind area, if there is danger in the blind area, remind the driver to the driver makes better judgement and reasonable operation, thereby reduces the risk of accident or injury, takes braking measure when and only when reminding ineffectiveness, accident can't be avoided, alleviates accident injury.

Description

Auxiliary braking system for large vehicle

Technical Field

The utility model relates to a vehicle controller technical field especially relates to an auxiliary brake system for oversize vehicle.

Background

In the process of driving, a plurality of vision blind areas exist, particularly in the areas right in front of the large-sized vehicle and on the right side of the vehicle, non-motor vehicles and pedestrians in the blind areas cannot observe the vision blind areas, accidents are easy to happen, and traffic accidents are easy to happen due to the fact that the large-sized vehicle has poor inner wheel and the vision blind areas when turning.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of above-mentioned current large vehicle that is used for large vehicle's auxiliary brake system to exist has the field of vision blind area, very easily takes place the problem of traffic accident, has proposed the utility model discloses.

Therefore, the utility model aims at providing an auxiliary brake system for oversize vehicle, according to the real-time data of vehicle driving in-process, object in the monitoring vehicle blind area, if there is danger in the blind area, reminds the driver to the driver makes better judgement and reasonable operation, thereby reduces the risk of accident or injury, takes braking measure when and only when reminding invalid, the accident can't be avoided, alleviates accident and injury.

In order to solve the technical problem, the utility model provides a following technical scheme: an auxiliary braking system for a large vehicle comprises,

a main controller;

the detection radar is used for receiving the configuration data and detecting an object with a preset distance in the blind area of the vehicle according to a preset angle;

the vehicle speed sensor is used for acquiring the running speed of the vehicle;

the alarm is used for sending alarm information; and the number of the first and second groups,

the controller is connected with the brake pedal and is used for controlling the brake pedal to move;

the detection radar, the vehicle speed sensor, the alarm and the controller are respectively connected with the main controller;

the detection radar comprises a first radar and a second radar, the first radar is installed on the right side of the front bumper of the vehicle through a mounting assembly, and the second radar is installed on the right front wheel of the vehicle through the mounting assembly.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the mounting assembly comprises a locking piece and an operating piece, and the locking piece and the operating piece are sleeved on the outer side of the detection radar;

the operating piece is sleeved on the outer side of the elastic arm and can extrude the elastic arm inwards;

wherein, the operating member and the locking member are fixed to each other through a limiting component.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the locking piece comprises a first cylinder and a second cylinder which are fixed with each other, the second cylinder is positioned in the first cylinder, and the elastic arm is fixedly connected with the second cylinder;

the operating part is generally in a hollow column shape, an accommodating cavity capable of accommodating the operating part is reserved between the first cylinder and the second cylinder, and the operating part is connected with the first cylinder through the limiting assembly.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the limiting assembly comprises a fixture block positioned on the operating part and a limiting groove positioned in the first barrel, and the fixture block is connected with the limiting groove in an embedded mode;

and when the operating part is contacted with the stop part, the clamping block is embedded into the limiting groove.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: a plurality of limiting grooves which are arranged along the axial direction are arranged in the first cylinder, a spring which is sleeved outside the second cylinder is further arranged in the containing cavity, and the spring is connected between the stop piece and the end cover of the first cylinder;

wherein the second cylinder and the end cap are fixed to each other.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: a plurality of helical teeth which are arranged along the axial direction are arranged in the first cylinder, and the limiting groove is formed between every two adjacent helical teeth;

the fixture block is in a wedge shape matched with the helical teeth, and the wedge-shaped inclined plane of the fixture block faces the stop piece.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the operating piece is provided with a sliding cavity extending along the radial direction, the clamping block is connected with the sliding cavity in a sliding mode, and an elastic piece is connected between the clamping block and the bottom of the sliding cavity.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the fixture blocks are uniformly distributed along the circumferential direction of the operating piece, and the helical teeth are uniformly distributed corresponding to the fixture blocks.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: the first cylinder is further provided with a guide groove, and the operating part is provided with a guide block matched with the guide groove.

As a preferred scheme of an auxiliary brake system for a large vehicle, wherein: an inner cavity capable of accommodating the elastic arm is formed in the operating part, and an inclined extrusion surface is formed in the inner cavity;

wherein, the elastic arm and the pressing surface are matched and obliquely arranged.

The utility model has the advantages that: the utility model collects the information of the vehicle itself through the vehicle speed sensor, such as the running speed; scanning, detecting and analyzing obstacles in the vehicle blind area through a detection radar; monitoring electric bicycles, bicycles and pedestrians in the vehicle blind area according to real-time data in the driving process of the vehicle, and once the area is dangerous, giving an alarm sound to remind a driver of the danger of the blind area so that the driver can make better judgment and reasonable operation, thereby reducing the risk of accidents or injuries; and if and only if the reminding is invalid and the accident cannot be avoided, a braking measure is taken, and the controller controls the brake pedal to move to realize braking, so that the accident injury is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a system connection block diagram of the present invention;

fig. 2 is a schematic view of the installation positions of the first radar and the second radar of the present invention on the vehicle;

FIG. 3 is a schematic view of the overall structure of the installation assembly of the present invention when installed with a detection radar;

fig. 4 is a schematic view of the overall structure of the mounting assembly of the present invention;

FIG. 5 is an exploded view of FIG. 4;

fig. 6 is a schematic view of a half-section inside the locking member of the present invention;

FIG. 7 is a schematic view of a half-section in the first barrel of the present invention;

FIG. 8 is a schematic view of a half-section of the inside of the operating member of the present invention;

fig. 9 is a schematic structural view of the junction between the second cylinder and the stop member of the present invention;

fig. 10 is an exploded view of fig. 9.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1 and 2, in order to provide a first embodiment of the present invention, the embodiment provides an auxiliary braking system for a large vehicle, the auxiliary braking system 100 includes a main controller 101, a detection radar 102, a vehicle speed sensor 103, an alarm 104 and a controller 105, the detection radar 102, the vehicle speed sensor 103, the alarm 104 and the controller 105 are respectively connected to the main controller 101;

because the blind area of large vehicle is mainly concentrated on the vehicle right side, consequently, the utility model discloses a detection radar 102 includes first radar 102a and second radar 102b, and first radar 102a is installed in vehicle 200 front bumper right side through installation component 300, and second radar 102b is installed in vehicle 200 front right wheel department through installation component 300.

The detection radar 102 is configured to receive configuration data, and detect an object with a predetermined distance in a blind area of the vehicle 200 according to a predetermined angle; the vehicle speed sensor 103 is used for acquiring the running speed of the vehicle 200; the alarm 104 is used for sending alarm information; the controller 105 is connected to the brake pedal for controlling the movement of the brake pedal, and the controller 105 may adopt a prior art means, such as an actuator disclosed in (publication No. CN209492449U, published japanese 2019.10.15), where the actuator is connected to the brake pedal through a pull cord, and the pull cord pulls the brake pedal to move down, so as to replace the driver to step on the brake pedal, thereby achieving the purpose of braking.

It should be noted that the main controller 101 is an MCU, and the model is STM32F103, and is mainly used for collecting and analyzing data and outputting a judgment result; the detection radar 102 is an ultrasonic radar with the model number TD6900 and is used for monitoring whether an object enters a blind area or not and the moving speed of the object, wherein the object comprises an electric bicycle, a pedestrian and the like; the vehicle speed sensor 103 comprises a CAN communication module and a three-axis sensor, wherein the CAN communication module is connected with a CAN bus of the vehicle 200, and is used for acquiring data of the vehicle 200, such as running speed, signals of a steering lamp of the vehicle 200, brake signals, gear signals and the like, by adopting CAN and IO communication; a three-axis sensor, model HAAM-313B, for calculating the attitude of the vehicle 200, such as speed, driving range, etc.; the speed of the vehicle 200 is obtained through CAN communication and calculation of a three-axis sensor, and the speed obtaining result is more accurate; the alarm 104 is a buzzer for sounding an alarm and prompting when a danger is detected or an abnormality occurs in the system.

The utility model collects the information of the vehicle 200 itself through the vehicle speed sensor 103, such as the running speed; scanning, detecting and analyzing obstacles in the blind area of the vehicle 200 by the detection radar 102; monitoring electric bicycles, bicycles and pedestrians in the blind area of the vehicle 200 according to real-time data in the driving process of the vehicle 200, and once the area is dangerous, the alarm 104 gives out alarm sound to remind a driver of the danger in the blind area so that the driver can make better judgment and reasonable operation, thereby reducing the risk of accidents or injuries; and if and only if the reminding is invalid and the accident cannot be avoided, a braking measure is taken, and the controller 105 controls the brake pedal to move to realize braking, so that the accident injury is reduced.

Example 2

Referring to fig. 3 to 5, this embodiment is different from the first embodiment in that: the detection radar 102 adopted in the embodiment is a columnar ultrasonic radar, and since the diameters of the detection radars 102 produced by different manufacturers may be different, a special mounting seat is required for mounting the detection radar 102, and the detection radars 102 with different sizes need mounting seats with different sizes corresponding to the mounting seats, so that the mounting is inconvenient; therefore, the mounting assembly 300 of the present embodiment includes a locking piece 301 and an operating piece 302, both the locking piece 301 and the operating piece 302 are sleeved outside the detection radar 102, wherein a mounting cavity N4 is provided in the locking piece 301 for inserting a cylindrical section of the detection radar 102; the locking piece 301 is provided with a plurality of elastic arms 301a located on the outer side of the detection radar 102, the operating piece 302 is sleeved on the outer side of the elastic arms 301a and can press the elastic arms 301a inwards, and the inner diameter of the mounting cavity N4 is reduced by pressing the elastic arms 301a, so that the purpose of fastening the detection radar 102 in the mounting cavity N4 is achieved, the initial inner diameter of the mounting cavity N4 is larger than the outer diameter of the detection radar 102 sold in the market, the embodiment can adapt to the installation of the detection radars 102 with different sizes in a certain range, and the application range is improved;

it should be noted that, the operating element 302 and the locking element 301 are fixed to each other by the limiting component 303, and after the operating element 302 is fastened to the detection radar 102 by the elastic arm 301a, the operating element 302 is fixed to the locking element 301 by the limiting component 303, so that the fixed state of the detection radar 102 can be maintained, and finally, the entire vehicle 200 is mounted.

Example 3

Referring to fig. 5 to 8, this embodiment is different from the above embodiment in that: the locking member 301 comprises a first cylinder 301b and a second cylinder 301c fixed to each other, the first cylinder 301b and the second cylinder 301c are both hollow cylinders, the second cylinder 301c is located in the first cylinder 301b, the elastic arm 301a is fixedly connected to the second cylinder 301c, and an installation cavity N4 is formed in an inner cavity of the second cylinder 301 c;

it should be noted that, an inner cavity N3 capable of accommodating the elastic arm 301a is arranged in the operating element 302, one end of the inner cavity N3 is open, a through hole with a diameter smaller than that of the opening is arranged at the other end of the inner cavity N3, an inclined squeezing surface S1 is arranged in the inner cavity N3, and the squeezing surface S1 is inclined in the direction of the through hole at the opening; the elastic arm 301a is obliquely arranged in cooperation with the extrusion surface S1, the fixed end of the elastic arm 301a is fixed on the second cylinder 301c, and the movable end of the elastic arm 301a is inclined towards the mounting cavity N4;

the operation element 302 is in a hollow column shape, an accommodating cavity N1 capable of accommodating the operation element 302 is reserved between the first cylinder 301b and the second cylinder 301c, during installation, the detection radar 102 is inserted into the mounting cavity N4 of the second cylinder 301c, then the operation element 302 is inserted into the accommodating cavity N1, the operation element 302 is moved, the extrusion surface S1 of the inner cavity N3 of the operation element 302 contacts the outer surface of the elastic arm 301a, and the operation element 302 is continuously moved until the elastic arm 301a is extruded inwards and the detection radar 102 is fastened through slope matching, so that fixation is realized;

it should be noted that the operating element 302 is connected to the first barrel 301b through the limiting component 303, and the operating element 302 is fixed through the limiting component 303 after moving, so that the fixed state of the detection radar 102 can be maintained.

Specifically, the limiting assembly 303 includes a latch 303a located on the operating member 302 and a limiting groove 303b located in the first barrel 301b, the latch 303a is connected to the limiting groove 303b in an embedded manner, and the latch 303a on the operating member 302 is embedded into the limiting groove 303b of the first barrel 301b, so that the two can be fixed;

the accommodating cavity N1 is further provided with a stop member 301d, the latch block 303a is embedded in the limiting groove 303b when the operating member 302 contacts with the stop member 301d, the stop member 301d is used for determining the moving position of the operating member 302, and when the operating member 302 is moved and the elastic arm 301a is pressed inwards, the latch block 303a is embedded in the limiting groove 303b to be fixed until the operating member 302 contacts with the stop member 301 d.

Example 4

Referring to fig. 5 to 10, this embodiment is different from the above embodiment in that: a plurality of limiting grooves 303b are arranged in the first cylinder 301b along the axial direction, in embodiment 3, the operating element 302 and the first cylinder 301b can only be fixed at a specific position, since the diameters of the detection radars 102 produced by different manufacturers may be different, although the specific position can ensure that the detection radars 102 in a part of the size range are fixed, the application range is limited, in this embodiment, a plurality of limiting grooves 303b are arranged in the first cylinder 301b, different axial positions of the operating element 302 in the accommodating cavity N1 can be limited, that is, the amplitude of the inward-pressing elastic arm 301a can be limited, wherein the deeper the position of the operating element 302 in the accommodating cavity N1 is, the larger the amplitude of the inward-pressing elastic arm 301a is, and the detection radars 102 with smaller diameters can be fixed;

it should be noted that a spring 301f sleeved outside the second cylinder 301c is further arranged in the accommodating cavity N1, the spring 301f is connected between the stopper 301d and the end cap of the first cylinder 301b, and the second cylinder 301c and the end cap are fixed to each other; the operating member 302 is inserted into the accommodating cavity N1, the operating member 302 first contacts the stop member 301d, the operating member 302 continues to move to push the stop member 301d to compress the spring 301f, and meanwhile, the operating member 302 presses the elastic arm 301a inwards until the latch 303a on the operating member 302 is limited at a certain limited groove 303b in the first barrel 301b, and the latch 303a is embedded into the limited groove 303b to realize fixation.

It should be noted that, the stop member 301d is annular and is sleeved on the outer side of the second cylinder 301c, in order to ensure that the stop member 301d can move linearly, the sliding blocks 301d-1 are uniformly distributed on the annular inner wall of the stop member 301d, the sliding grooves 301c-1 corresponding to the sliding blocks 301d-1 are distributed on the outer wall of the second cylinder 301c, and the sliding blocks 301d-1 can move linearly and can prevent the stop member 301d from rotating circumferentially at the same time through the guiding movement of the sliding blocks 301d-1 in the sliding grooves 301 c-1.

Example 5

Referring to fig. 5 to 10, this embodiment is different from the above embodiment in that: inclined teeth 301e arranged along the axial direction are arranged in the first cylinder 301b, a limiting groove 303b is formed between every two adjacent inclined teeth 301e, wherein the fixture block 303a is in a wedge shape matched with the inclined teeth 301e, the wedge-shaped inclined surface of the fixture block 303a faces the stop piece 301d, and the inclined surface of the inclined teeth 301e faces the fixture block 303a, that is, the fixture block 303a can move towards the accommodating cavity N1 under the action of the inclined teeth 301e, but when the fixture block 303a extends into the limiting groove 303b, the fixture block 303a cannot move outwards; that is, the operating member 302 can move only in one direction into the accommodating cavity N1;

it should be noted that, due to the effect of the helical tooth 301e, after the wedge-shaped inclined surface of the latch 303a contacts with the inclined surface of the helical tooth 301e, the operating member 302 continues to be moved, and only by pressing the stopper 301d, the latch 303a can be moved from one limiting groove 303b to the other limiting groove 303 b; therefore, the operating element 302 is provided with a sliding cavity N2 extending in the radial direction, the latch block 303a is slidably connected with the sliding cavity N2, the depth of the sliding cavity N2 can meet the requirement that the latch block 303a is completely hidden in the sliding cavity N2, an elastic element 303a-1 is connected between the latch block 303a and the bottom of the sliding cavity N2, the elastic element 303a-1 can be a spring sheet or a spring, after the wedge-shaped inclined surface of the latch block 303a is contacted with the inclined surface of the inclined tooth 301e, the operating element 302 is continuously moved, the stop element 301d is pressed in the sliding cavity N2, when the latch block 303a moves to the limited groove 303b, the latch block 303a resets under the action of the elastic element 303a-1, the latch block 303a is embedded in the limited groove 303b, the operating element 302 can continuously move to the accommodating cavity N1, and the latch block 303a moves from one limited groove 303b to the other limited groove 303 b.

In order to achieve the fixing stability of the operating member 302, the latch blocks 303a are uniformly distributed along the circumferential direction of the operating member 302, the inclined teeth 301e are uniformly distributed corresponding to the latch blocks 303a, and the axial direction of the operating member 302 is stably fixed by the plurality of latch blocks 303a in the circumferential direction.

In order to prevent the operating member 302 from rotating in the circumferential direction in the accommodating chamber N1, the first barrel 301b is further provided with a guide groove 301b-1, the operating member 302 is provided with a guide block 302a which is engaged with the guide groove 301b-1, when the operating member 302 moves in the axial direction in the accommodating chamber N1, the guide block 302a moves in the guide groove 301b-1 in a guiding manner, and at the same time, the operating member 302 can be prevented from rotating in the circumferential direction in the accommodating chamber N1 because the guide block 302a is fitted in the guide groove 301 b-1.

The utility model discloses a theory of operation:

during installation, the detection radar 102 is inserted into the installation cavity N4 of the second cylinder 301c, then the operating element 302 is inserted into the accommodating cavity N1, the operating element 302 is moved, the operating element 302 firstly contacts the stop piece 301d, the operating element 302 is continuously moved to push the stop piece 301d to compress the spring 301f to move, the extrusion surface S1 of the inner cavity N3 of the operating element 302 contacts the outer surface of the elastic arm 301a, the elastic arm 301a is extruded inwards through inclined surface matching, the detection radar 102 is fastened, and the detection radar 102 is fixed;

in the moving process of the operating element 302, after the wedge-shaped inclined surface of the fixture block 303a contacts with the inclined surface of the inclined tooth 301e, the operating element 302 is continuously moved, the stop piece 301d is pressed into the sliding cavity N2, when the fixture block 303a moves into the limited groove 303b, the fixture block 303a resets under the action of the elastic piece 303a-1, the fixture block 303a is embedded into the limited groove 303b, the operating element 302 can continuously move into the accommodating cavity N1, the fixture block 303a moves from one limited groove 303b to the other limited groove 303b, when the detection radar 102 is fastened, the fixture block 303a is embedded into the limited groove 303b, the fixed state of the detection radar 102 can be kept, and finally, the whole vehicle 200 can be mounted.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An auxiliary braking system for a large vehicle, characterized in that: the auxiliary braking system (100) comprises a brake pedal,

a main controller (101);

a detection radar (102) for receiving configuration data for detecting an object at a predetermined distance within a blind spot of the vehicle (200) according to a predetermined angle;

a vehicle speed sensor (103) for acquiring a running speed of the vehicle (200);

an alarm (104) for issuing an alarm message; and the number of the first and second groups,

the controller (105) is connected with the brake pedal and is used for controlling the brake pedal to move;

the detection radar (102), the vehicle speed sensor (103), the alarm (104) and the controller (105) are respectively connected with the main controller (101);

wherein the detection radar (102) comprises a first radar (102 a) and a second radar (102 b), the first radar (102 a) is mounted on the right side of a front bumper of the vehicle (200) through a mounting assembly (300), and the second radar (102 b) is mounted on the right front wheel of the vehicle (200) through the mounting assembly (300).

2. The auxiliary brake system for large vehicles according to claim 1, wherein: the mounting assembly (300) comprises a locking piece (301) and an operating piece (302), and the locking piece (301) and the operating piece (302) are sleeved on the outer side of the detection radar (102);

the locking piece (301) is provided with a plurality of elastic arms (301 a) positioned on the outer side of the detection radar (102), and the operating piece (302) is sleeved on the outer side of the elastic arms (301 a) and can press the elastic arms (301 a) inwards;

wherein the operating piece (302) and the locking piece (301) are fixed to each other through a limiting component (303).

3. The auxiliary brake system for large vehicles according to claim 2, wherein: the locking piece (301) comprises a first cylinder body (301 b) and a second cylinder body (301 c) which are fixed with each other, the second cylinder body (301 c) is positioned in the first cylinder body (301 b), and the elastic arm (301 a) is fixedly connected with the second cylinder body (301 c);

the operating member (302) is substantially in the shape of a hollow column, an accommodating cavity (N1) capable of accommodating the operating member (302) is reserved between the first cylinder (301 b) and the second cylinder (301 c), and the operating member (302) is connected with the first cylinder (301 b) through the limiting assembly (303).

4. The auxiliary brake system for large vehicles according to claim 3, wherein: the limiting assembly (303) comprises a fixture block (303 a) positioned on the operating member (302) and a limiting groove (303 b) positioned in the first barrel (301 b), and the fixture block (303 a) is connected with the limiting groove (303 b) in a embedding manner;

and a stop piece (301 d) is further arranged in the accommodating cavity (N1), and when the operating piece (302) is in contact with the stop piece (301 d), the clamping block (303 a) is embedded into the limiting groove (303 b).

5. The auxiliary brake system for large vehicles according to claim 4, wherein: a plurality of limiting grooves (303 b) which are arranged along the axial direction are arranged in the first cylinder body (301 b), a spring (301 f) which is sleeved on the outer side of the second cylinder body (301 c) is further arranged in the accommodating cavity (N1), and the spring (301 f) is connected between the stop piece (301 d) and the end cover of the first cylinder body (301 b);

wherein the second cylinder (301 c) and the end cap are fixed to each other.

6. The auxiliary brake system for large vehicles according to claim 5, wherein: a plurality of helical teeth (301 e) which are arranged along the axial direction are arranged in the first cylinder (301 b), and a limiting groove (303 b) is formed between every two adjacent helical teeth (301 e);

the clamping block (303 a) is in a wedge shape matched with the helical teeth (301 e), and the wedge-shaped inclined surface of the clamping block (303 a) faces the stop piece (301 d).

7. An auxiliary brake system for large vehicles according to claim 5 or 6, wherein: the operating piece (302) is provided with a sliding cavity (N2) extending along the radial direction, the clamping block (303 a) is connected with the sliding cavity (N2) in a sliding mode, and an elastic piece (303 a-1) is connected between the clamping block (303 a) and the bottom of the sliding cavity (N2).

8. The auxiliary brake system for large vehicles according to claim 6, wherein: the clamping blocks (303 a) are uniformly distributed along the circumferential direction of the operating member (302), and the inclined teeth (301 e) are uniformly distributed corresponding to the clamping blocks (303 a).

9. The auxiliary brake system for large vehicles according to claim 8, wherein: the first cylinder (301 b) is further provided with a guide groove (301 b-1), and the operating piece (302) is provided with a guide block (302 a) matched with the guide groove (301 b-1).

10. An auxiliary brake system for large vehicles according to any one of claims 2, 3, 5, 6, 8 and 9, wherein: an inner cavity (N3) capable of accommodating the elastic arm (301 a) is formed in the operating piece (302), and an inclined pressing surface (S1) is formed in the inner cavity (N3);

wherein the elastic arm (301 a) is obliquely disposed in cooperation with the pressing surface (S1).