CN112848986B - Working method of automobile safety system - Google Patents

Working method of automobile safety system Download PDF

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Publication number
CN112848986B
CN112848986B CN202110227466.5A CN202110227466A CN112848986B CN 112848986 B CN112848986 B CN 112848986B CN 202110227466 A CN202110227466 A CN 202110227466A CN 112848986 B CN112848986 B CN 112848986B
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China
Prior art keywords
seat
automobile
hole
limiting plate
passage
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CN202110227466.5A
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CN112848986A (en
Inventor
武和全
任启凡
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Priority to CN202110227466.5A priority Critical patent/CN112848986B/en
Publication of CN112848986A publication Critical patent/CN112848986A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/995—Lower-leg-rests, e.g. calf-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/20—Anchoring devices adjustable in position, e.g. in height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

An operating method of a safety system of an automobile, the automatic driving operating method comprising: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S1 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; and when the laser ranging sensor senses that the distance between the front end of the automobile body and the front obstacle is smaller than S1 and the acceleration sensor detects that the acceleration of the automobile body is larger than a1, controlling the automobile to decelerate.

Description

Working method of automobile safety system
Technical Field
The invention relates to the field of automobile safety, in particular to a working method of an automobile safety system.
Background
With the rapid development of the automatic driving automobile, the automatic driving automobile will be more in a manual-automatic combination mode in the future, or the automatic-manual automobile can be switched between manual and automatic. The seat can rotate by any angle according to the requirements of a driver, so that the comfortable sensation of people in automatic driving is met. The space arrangement inside the automobile is necessarily changed greatly, and people want to turn around to enjoy scenery outside the window or turn around to talk with other friends and relatives in the automobile and play. On the other hand, the automatic driving technology has a great gap with the expected 'zero accident', and the global case about the automatic driving automobile traffic accident is also rare. Reducing driver injuries through active safety strategies is a good choice when autonomous vehicles face unavoidable collision problems. In an autonomous vehicle, a camera and radar sensor system can predict when the vehicle will collide. In a typical active safety system, the collision warning system may identify an unavoidable collision condition about 0.1-0.35s before a collision occurs. During this time, the driver will be better protected if the driver's seat can be rotated into the proper position.
The defects in the prior seat safety technology are as follows:
1. in the prior art, collision is an unavoidable problem, even if the automobile skill is good, various conditions may be met on the road, and collision cannot be avoided, but the prior art automobile does not protect the personal safety enough.
2. If the driver's seat has set up protective housing, the right hand side of driver's seat is toward needing bigger space, for example control portion and storage tank of right hand side, but protective housing can hinder the activity space of right hand side.
3. According to the statistics of the automobile safety association, one of the reasons of automobile accidents lies in that when a driver needs to take and place articles on a backseat and the driver looks towards the backseat, the feet can extend forwards subconsciously due to the automatic reaction of joints, so that the accelerator is easily triggered, and even if the driver is in a parking state at the moment, the driver is also easy to roll the accelerator. Thereby causing accidents or reducing the life of the car.
4. In the prior art, if the automobile seat rotates, only the conventional motor is used for controlling the rotation, the buffer type rotation cannot be realized, and the buffer type rotation can well play a buffer role when being impacted.
5. The piston driving structure in the prior art needs to reserve the position of a liquid through port to ensure smooth liquid through and piston reciprocating motion, but does not have a corresponding structural design for a ring type piston.
6. If the automobile seat simultaneously considers the protection function of the protective shell and the problem that the protective shell influences the activity space, the two are contradictory, and the problem of how to coordinate the two is difficult.
7. When the automobile seat in the prior art uses the buffer type rotating structure, the rotation limitation exists inevitably, and the seat cannot rotate in a large range. For example, it is not possible to: the front seat rotates backwards to interact with the rear seat.
8. The installation belt of the prior art is fixed on a B column, but due to the limitation of the space of the B column, the upper point of the safety belt cannot be adjusted, and the safety belt cannot be dynamically adjusted according to the height.
9. In the prior art, the safety protection grade of the manual-automatic automobile is not carefully distinguished between manual driving and automatic driving.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: the working method of the safety system of the automobile comprises a body, wherein the body is provided with the safety system, and the safety system comprises a signal safety system, a seat safety system and a collision avoidance part; wherein the signal security system comprises: the device comprises a control module, a communication module, a distance measuring sensor, an acceleration sensor and a speed sensor; the control module transmits a control signal through the communication module, the ranging sensor is installed at the front end of the vehicle body, and the ranging sensor is a laser ranging sensor; the anti-collision part comprises a vehicle head anti-collision part and a seat anti-collision layer, and the vehicle head anti-collision part is made of expanded polystyrene; the working method comprises an automatic driving working method and a manual driving working method.
The seat safety system comprises a protective shell, a seat belt mounting part, a seat belt, a seat backrest, a seat cushion, a pedal part, a base, a gear box, a rotating shaft, a motor, a bevel gear set, a rotating box, a hydraulic pump, a switching valve, a first passage, a first one-way valve, a second passage, a second one-way valve, a sector-shaped sliding block, a fixing part, a first limiting plate, a second limiting plate, a first through hole, a third one-way valve, a first spring, a first liquid discharge hole, a second through hole, a fourth one-way valve, a second spring and a second liquid discharge hole; an inner layer is arranged in the protective shell, and the seat anti-collision layer forms the inner layer; the seat anti-collision layer is made of expanded polystyrene.
The safety belt seat comprises a base, a safety belt mounting part and a safety belt, wherein a seat is arranged above the base and comprises a seat backrest and a seat cushion, the protective shell is arranged on the outer side of the seat, the safety belt mounting part is arranged on the inner wall of the protective shell, the position of the safety belt mounting part is adjustable, and the upper end of the safety belt is connected to the safety belt mounting part; the base top still is equipped with the mounting hole, pedal portion passes through the mounting hole detachable and installs on the base.
A rotating box and a gear box are arranged in the base, a bevel gear set is arranged in the gear box, the motor drives the bevel gear set to rotate, the bevel gear set is connected to the rotating box through a rotating shaft, the seat and the protective shell are arranged above the rotating box, and the protective shell and the lower part of the seat have a common supporting column; the support column is supported above the base; the automobile support column is characterized in that a connecting hole is formed in the upper portion of the rotating box, a connecting piece is arranged on the lower portion of the corresponding support column, and the connecting piece is disconnected from the connecting hole when an automobile runs.
A lower cavity is arranged below the rotating box, the lower cavity is arranged in a ring shape around the gear box, the hydraulic pump is arranged in the lower cavity, the hydraulic pump is communicated to the first passage and the second passage through a switching valve, and the other ends of the first passage and the second passage are connected to the rotating box; the first passage is provided with the first one-way valve, and the second passage is provided with the second one-way valve.
The rotating box is internally provided with an annular cavity, the fan-shaped sliding block, the fixing part, the first limiting plate and the second limiting plate, the fan-shaped sliding block is connected with the bottom of the supporting column, and the fan-shaped sliding block drives the supporting column to rotate; the size of the fixing part is larger than that of the fan-shaped sliding block, the first limiting plate and the second limiting plate are located between the fan-shaped sliding block and the fixing part, the distance between the first limiting plate and the fixing part is larger than that between the second limiting plate and the fixing part, the first through hole is formed between the first limiting plate and the fixing part, the second through hole is formed between the second limiting plate and the fixing part, when an automobile normally runs, the first through hole is in butt joint with the first passage, the second through hole is in butt joint with the second passage, and through-flow holes are formed in the first limiting plate and the second limiting plate; the fixing part is internally provided with a first long hole and a second long hole, and the first long hole is internally provided with the third one-way valve, the first spring and the first drainage hole; the fourth one-way valve, the second spring and the second liquid discharge hole are arranged in the second long hole.
The automatic driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S1 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; and when the laser ranging sensor senses that the distance between the front end of the automobile body and the front obstacle is smaller than S1 and the acceleration sensor detects that the acceleration of the automobile body is larger than a1, controlling the automobile to decelerate.
The manual driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S2 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; wherein S2< S1.
Furthermore, the plane of the protective shell passing through the central axis is used as a boundary, the protective shell is divided into a front left-hand side and a front right-hand side, and the distance between the plane of the front left-hand side of the protective shell and the plane of the front right-hand side of the protective shell and the front end of the automobile is different.
Further, the first drainage hole is communicated with the lower cavity.
Furthermore, the second liquid discharge hole is communicated with the lower cavity.
Further, the bevel gear set comprises two bevel gears.
Further, the axes of the two bevel gears are perpendicular to each other.
Further, the number of the pedal parts is two.
Further, each footrest section includes a side plate and a front plate.
Further, the height of the side plate is larger than that of the front plate.
Furthermore, the bottom of the pedal part is provided with a plug-in structure.
The invention has the beneficial effects.
1. Aiming at the 1 st point of the background technology, the angle of the seat can be adjusted according to different collision angles through the arrangement of a rotating mechanism and the like, so that collision is firstly caused on the egg-shaped shell, the damage of the collision to a driver is reduced to the maximum extent, and the safety performance of an automobile is improved; through the safety belt connected with the seat, the safety belt can rotate along with the seat, and a driver can be restrained at any time.
2. Aiming at the 2 nd point of the background technology, the design that the distance between the left plane of the front side of the protective shell, the right plane of the front side and the front end of the automobile is different is adopted, and a larger activity space is reserved for the right side.
3. To background art's 3 rd point, designed pedal portion, pedal portion can dismantle, can adjust install on the base, and the foot can be trampled in pedal portion with the support, and pedal portion can play a role when facing some demands, for example the rest of foot shank, for example the front stall again supports the foot to when putting article in the back row.
4. To the 4 th point of the background art, an annular hydraulic cylinder is adopted for rotation driving, and meanwhile, hydraulic pressure can achieve buffering of collision.
5. To the 5 th point of the background art, a limiting plate is adopted, and the limiting plate prevents the fan-shaped sliding block from blocking the liquid through hole.
6. To the 6 th point of background art, adopted the limiting plate of different positions, to the not big, the bigger one side of activity space of protective housing protective range, given bigger protection rotation space to balanced guard action.
7. Aiming at the 7 th point of the background technology, a dual-drive mode and a dual-connection transmission scheme are adopted, the large-angle rotation of the seat is realized through the linkage relation of the rotating box, the motor and the seat, and the rotating box can be detachably connected with the protective shell, so that two sets of transmission systems are switched.
8. To the 8 th point of background art, adopted the scheme that the installation department sets up at protective housing inner wall on the safety belt, the installation department can slide on the inner wall to adjust the position of installation area, realize adjusting the safety belt according to the height.
9. Aiming at the 9 th point of the background technology, the safe distance of manual driving is smaller than that of automatic driving so as to give greater trust to a manual driver, and when the distance is smaller than S2 in an emergency state, the control module takes over the automobile for emergency protection.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a three-dimensional perspective view of the egg-shaped safety seat device for vehicles according to the present invention.
Fig. 2 is a side schematic view of the seating unit of the present invention.
Fig. 3 is a schematic diagram of the driving structure of the present invention.
Fig. 4 is a sectional view of a buffering type driving structure according to the present invention.
Fig. 5 is a three-dimensional perspective view of the motor drive mechanism of the present invention.
Fig. 6 is a schematic view of a safety automobile according to the present invention.
In the drawings: 1. the safety seat comprises a protective shell, 2, a safety belt mounting part, 3, a safety belt, 4, a seat backrest, 5, a seat cushion, 6, a pedal part, 7, a base, 8, a gear box, 9, a rotating shaft, 10, a motor, 11, a bevel gear set, 12, a rotating box, 13, a hydraulic pump, 14, a switching valve, 15, a first passage, 16, a first one-way valve, 17, a second passage, 18, a second one-way valve, 19, a sector-shaped sliding block, 20, a fixing part, 21, a first limiting plate, 22, a second limiting plate, 23, a through hole, 24, a first through hole, 25, a third one-way valve, 26, a first spring, 27, a first drainage hole, 28, a second through hole, 29, a fourth one-way valve, 30, a second spring, 31 and a second drainage hole.
Detailed Description
As shown in the figure: the working method of the safety system of the automobile comprises a body, wherein the body is provided with the safety system, and the safety system comprises a signal safety system, a seat safety system and a collision avoidance part; wherein the signal security system comprises: the device comprises a control module, a communication module, a distance measuring sensor, an acceleration sensor and a speed sensor; the control module transmits a control signal through the communication module, the ranging sensor is installed at the front end of the vehicle body, and the ranging sensor is a laser ranging sensor; the anti-collision part comprises a vehicle head anti-collision part and a seat anti-collision layer, and the vehicle head anti-collision part is made of expanded polystyrene; the working method comprises an automatic driving working method and a manual driving working method.
The seat safety system comprises a protective shell, a seat belt mounting part, a seat belt, a seat backrest, a seat cushion, a pedal part, a base, a gear box, a rotating shaft, a motor, a bevel gear set, a rotating box, a hydraulic pump, a switching valve, a first passage, a first one-way valve, a second passage, a second one-way valve, a sector-shaped sliding block, a fixing part, a first limiting plate, a second limiting plate, a first through hole, a third one-way valve, a first spring, a first liquid discharge hole, a second through hole, a fourth one-way valve, a second spring and a second liquid discharge hole; an inner layer is arranged in the protective shell, and the seat anti-collision layer forms the inner layer; the seat anti-collision layer is made of expanded polystyrene.
The safety belt seat comprises a base, a safety belt mounting part and a safety belt, wherein a seat is arranged above the base and comprises a seat backrest and a seat cushion, the protective shell is arranged on the outer side of the seat, the safety belt mounting part is arranged on the inner wall of the protective shell, the position of the safety belt mounting part is adjustable, and the upper end of the safety belt is connected to the safety belt mounting part; the base top still is equipped with the mounting hole, pedal portion passes through the mounting hole detachable and installs on the base.
A rotating box and a gear box are arranged in the base, a bevel gear set is arranged in the gear box, the motor drives the bevel gear set to rotate, the bevel gear set is connected to the rotating box through a rotating shaft, the seat and the protective shell are arranged above the rotating box, and the protective shell and the lower part of the seat have a common supporting column; the support column is supported above the base; the automobile support column is characterized in that a connecting hole is formed in the upper portion of the rotating box, a connecting piece is arranged on the lower portion of the corresponding support column, and the connecting piece is disconnected from the connecting hole when an automobile runs.
A lower cavity is arranged below the rotating box, the lower cavity is arranged in a ring shape around the gear box, the hydraulic pump is arranged in the lower cavity, the hydraulic pump is communicated to the first passage and the second passage through a switching valve, and the other ends of the first passage and the second passage are connected to the rotating box; the first passage is provided with the first one-way valve, and the second passage is provided with the second one-way valve.
The rotating box is internally provided with an annular cavity, the fan-shaped sliding block, the fixing part, the first limiting plate and the second limiting plate, the fan-shaped sliding block is connected with the bottom of the supporting column, and the fan-shaped sliding block drives the supporting column to rotate; the size of the fixing part is larger than that of the fan-shaped sliding block, the first limiting plate and the second limiting plate are located between the fan-shaped sliding block and the fixing part, the distance between the first limiting plate and the fixing part is larger than that between the second limiting plate and the fixing part, the first through hole is formed between the first limiting plate and the fixing part, the second through hole is formed between the second limiting plate and the fixing part, when an automobile normally runs, the first through hole is in butt joint with the first passage, the second through hole is in butt joint with the second passage, and through-flow holes are formed in the first limiting plate and the second limiting plate; the fixing part is internally provided with a first long hole and a second long hole, and the first long hole is internally provided with the third one-way valve, the first spring and the first drainage hole; the fourth one-way valve, the second spring and the second liquid discharge hole are arranged in the second long hole.
The automatic driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S1 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; and when the laser ranging sensor senses that the distance between the front end of the automobile body and the front obstacle is smaller than S1 and the acceleration sensor detects that the acceleration of the automobile body is larger than a1, controlling the automobile to decelerate.
The manual driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S2 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; wherein S2< S1.
As shown in the figure: the automobile front end protection device is characterized in that the protection shell is divided into a front end left-hand side and a front end right-hand side by taking a plane of the protection shell passing through a central axis as a boundary, and the distances between the plane of the front end left-hand side and the plane of the front end right-hand side of the protection shell and the front end of an automobile are different. The first drainage hole is communicated with the lower cavity. And the second liquid discharge hole is communicated with the lower cavity. The bevel gear set comprises two bevel gears. The axes of the two bevel gears are perpendicular to each other. The number of the pedal parts is two. Each footrest section includes side plates and a front plate. The height of the side plates is greater than that of the front plate. The bottom of the pedal part is provided with an inserting structure.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. A method of operating a safety system for a vehicle, the vehicle including a body in which the safety system is disposed, the method comprising: the safety system comprises a signal safety system, a seat safety system and a collision avoidance part; wherein the signal security system comprises: the device comprises a control module, a communication module, a distance measuring sensor, an acceleration sensor and a speed sensor; the control module transmits a control signal through the communication module, the ranging sensor is installed at the front end of the vehicle body, and the ranging sensor is a laser ranging sensor; the anti-collision part comprises a vehicle head anti-collision part and a seat anti-collision layer, and the vehicle head anti-collision part is made of expanded polystyrene; the working method comprises an automatic driving working method and a manual driving working method;
the seat safety system comprises a protective shell, a seat belt mounting part, a seat belt, a seat backrest, a seat cushion, a pedal part, a base, a gear box, a rotating shaft, a motor, a bevel gear set, a rotating box, a hydraulic pump, a switching valve, a first passage, a first one-way valve, a second passage, a second one-way valve, a sector-shaped sliding block, a fixing part, a first limiting plate, a second limiting plate, a first through hole, a third one-way valve, a first spring, a first liquid discharge hole, a second through hole, a fourth one-way valve, a second spring and a second liquid discharge hole; an inner layer is arranged in the protective shell, and the seat anti-collision layer forms the inner layer; the seat anti-collision layer is made of expanded polystyrene;
the safety belt seat comprises a base, a safety belt mounting part and a safety belt, wherein a seat is arranged above the base and comprises a seat backrest and a seat cushion, the protective shell is arranged on the outer side of the seat, the safety belt mounting part is arranged on the inner wall of the protective shell, the position of the safety belt mounting part is adjustable, and the upper end of the safety belt is connected to the safety belt mounting part; the pedal part is detachably arranged on the base through the mounting hole;
a rotating box and a gear box are arranged in the base, a bevel gear set is arranged in the gear box, the motor drives the bevel gear set to rotate, the bevel gear set is connected to the rotating box through a rotating shaft, the seat and the protective shell are arranged above the rotating box, and the protective shell and the lower part of the seat have a common supporting column; the support column is supported above the base; a connecting hole is formed above the rotating box, a connecting piece is arranged at the lower part of the corresponding supporting column, and the connecting piece is disconnected from the connecting hole when the automobile runs;
a lower cavity is arranged below the rotating box, the lower cavity is arranged in a ring shape around the gear box, the hydraulic pump is arranged in the lower cavity, the hydraulic pump is communicated to the first passage and the second passage through a switching valve, and the other ends of the first passage and the second passage are connected to the rotating box; the first one-way valve is arranged in the first passage, and the second one-way valve is arranged in the second passage;
the rotating box is internally provided with an annular cavity, the fan-shaped sliding block, the fixing part, the first limiting plate and the second limiting plate, the fan-shaped sliding block is connected with the bottom of the supporting column, and the fan-shaped sliding block drives the supporting column to rotate; the size of the fixing part is larger than that of the fan-shaped sliding block, the first limiting plate and the second limiting plate are located between the fan-shaped sliding block and the fixing part, the distance between the first limiting plate and the fixing part is larger than that between the second limiting plate and the fixing part, the first through hole is formed between the first limiting plate and the fixing part, the second through hole is formed between the second limiting plate and the fixing part, when an automobile normally runs, the first through hole is in butt joint with the first passage, the second through hole is in butt joint with the second passage, and through-flow holes are formed in the first limiting plate and the second limiting plate; the fixing part is internally provided with a first long hole and a second long hole, and the first long hole is internally provided with the third one-way valve, the first spring and the first drainage hole; the fourth check valve, the second spring and the second liquid discharge hole are arranged in the second long hole;
the automatic driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S1 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S1 and the acceleration sensor senses that the acceleration of the automobile body is larger than a1, controlling the automobile to decelerate;
the manual driving work method comprises the following steps: when the laser ranging sensor senses that the distance between the front end of the automobile body and a front obstacle is smaller than S2 and the speed sensor senses that the speed of the automobile body is larger than V1, the control module controls the hydraulic pump to provide power, so that the fan-shaped sliding block drives the supporting column to rotate, and controls the automobile to decelerate; wherein S2< S1; the bevel gear set comprises two bevel gears; the axes of the two bevel gears are vertical to each other; the number of the pedal parts is two; each pedal part comprises a side plate and a front plate; the height of the side plate is greater than that of the front plate; the bottom of the pedal part is provided with an inserting structure.
2. A method of operating a vehicle safety system as recited in claim 1, wherein: the automobile front end protection device is characterized in that the protection shell is divided into a front end left-hand side and a front end right-hand side by taking a plane of the protection shell passing through a central axis as a boundary, and the distances between the plane of the front end left-hand side and the plane of the front end right-hand side of the protection shell and the front end of an automobile are different.
3. A method of operating a vehicle safety system as recited in claim 1, wherein: the first drainage hole is communicated with the lower cavity.
4. A method of operating a vehicle safety system as recited in claim 3, wherein: the second liquid discharge hole is communicated with the lower cavity.
CN202110227466.5A 2021-03-02 2021-03-02 Working method of automobile safety system Active CN112848986B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110227466.5A CN112848986B (en) 2021-03-02 2021-03-02 Working method of automobile safety system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110227466.5A CN112848986B (en) 2021-03-02 2021-03-02 Working method of automobile safety system

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