CN107226058A - The efficient anti-rollover system of car - Google Patents
The efficient anti-rollover system of car Download PDFInfo
- Publication number
- CN107226058A CN107226058A CN201710416355.2A CN201710416355A CN107226058A CN 107226058 A CN107226058 A CN 107226058A CN 201710416355 A CN201710416355 A CN 201710416355A CN 107226058 A CN107226058 A CN 107226058A
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- car
- hatch door
- controller
- luggage compartment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/0497—Doors arranged at the vehicle sides for load transporting vehicles or public transport, e.g. lorries, trucks, buses
- B60J5/0498—Doors arranged at the vehicle sides for load transporting vehicles or public transport, e.g. lorries, trucks, buses with rigid panels pivoting about a horizontal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/13—Roll-over protection
Abstract
The present invention relates to bus safety protection technology field, particularly a kind of efficient anti-rollover system of car, it is the angle of inclination that vehicle body is perceived by being arranged on the obliquity sensor of body gravity position, instruction unpack luggage compartment door is sent to the hatch door ejecting mechanism being arranged between luggage compartment door and vehicle body by controller when car body obliqueness exceedes the critical angle of setting during bus driving, the luggage compartment door contacted to earth prior to vehicle body, pass through vehicle body waist rail lower pillar stand, the hatch door column being hinged with vehicle body waist rail lower pillar stand, the triangular structure for the collapsible pull bar composition that two ends are hinged on vehicle body waist rail lower pillar stand and hatch door column respectively absorbs a part of Impact energy in advance, to buffer and reduce the deformation of contacting to earth of body structure, protect the effect of occupant's living space.The present invention can preferably utilize vehicle body existing structure, and lifting car anti-side by active mode turns over performance.
Description
Technical field
The present invention relates to bus safety protection technology field, particularly a kind of efficient anti-rollover system of car.
Background technology
With the development of society, attention rate more and more higher of the people to vehicle safety, and car is used as modern society
Major public transportation instrument, its security is more exposed to the attention of people.In all traffic accidents, car rollover is often led to
Heavy casualties, belong to major traffic accidents, therefore, improve the anti-side rollover resistant capability of car, it is ensured that passenger survival is safe in rollover event
As a very important problem.At present, Economic Commission for Europe (Economic Commission for Europe,
ECE car rollover regulation (ECE R66)) has been formulated and has enforced.And China refers to ECE R66 regulations, formulate《On car
The regulation of portion's structural strength》(GB/T17578-1998) national standard, to improve the Bus Technology level of China.For corresponding
Laws and regulations requirement, the intensity of cap structure during to rollover, rigidity are generally concentrated on by the way of both at home and abroad and ensures to multiply
Member living space body structure reinforcement and linguistic term, by increase body frame sectional dimension, increase section thickness,
Paste the mode such as reinforcement or the local joint type of attachment of adjustment and realize in gusset inside and outside.Such scheme not only increases vehicle body knot
Structure is conducted oneself with dignity, and is not also increased significantly for car rollover security, and this allows for body structure intensity and is far longer than just
Often use intensity during traveling, is unfavorable for energy-saving and emission-reduction and the design of body lightening.By the structure type institute of traditional car
Limit, can not increase endergonic structure outside gusset.
The content of the invention
In order to solve during passenger car side turns over, the characteristics of car gusset can not design effective endergonic structure, the present invention is
The efficient anti-rollover system of a kind of car proposed on the basis of existing European ECE R66 laws and regulations requirements, is directed to not changing
On the basis of former body structure, car rollover security is improved by increasing movable energy absorber to realize body lightening
Design.
It is (see the accompanying drawing 7) that can be opened in view of bus luggage hatch door, and vehicle body left and right side does not respectively have number not etc.
Hatch door, thus using car from rollover critical localisation to vehicle body and collision on the ground this period by actively ejecting these cabins
Door, to improve car rollover security, realizes the protection to occupant.
Car rollover safety protecting method of the present invention, is that luggage compartment door mechanism is actively flicked when car is turned on one's side, makes
It is collided prior to vehicle body with ground, and a part of impact energy is absorbed in advance by the collision deformation of luggage compartment door itself mechanism
Amount, reduces body structure deformation to realize, protects the effect of occupant's living space；Its specific implementation is as follows：
Signal from EPB contact switch, when vehicle is in transport condition, controller are received by controller
Output control signal is at closed state to the 2/2-way magnetic valve of ejecting mechanism, to ensure the sealing of device for ejecting
Energy.The angle of inclination of vehicle body is perceived by the obliquity sensor of body gravity position again, led to when the critical angle more than setting
Cross controller output control signal and instruction unpack luggage compartment is sent to the hatch door ejecting mechanism being arranged between luggage compartment door and vehicle body
Door, the luggage compartment door contacted to earth prior to vehicle body, the hatch door column being hinged by vehicle body waist rail lower pillar stand, with vehicle body waist rail lower pillar stand,
Two ends are hinged in the triangular structure i.e. available buffer of the collapsible pull bar composition on vehicle body waist rail lower pillar stand and hatch door column respectively
With the deformation of contacting to earth for reducing body structure.
To realize a kind of efficient anti-rollover system of car of the above method, by being arranged on the luggage compartment door of car both sides bottom
Make the fast-breaking ejecting mechanism of hatch door, the contact switch being arranged at EPB, be arranged on body gravity position
Obliquity sensor and controller constitute；Described ejecting mechanism include bottom be hinged at cylinder on luggage compartment floor crossbeam and
Rod end is hinged on hatch door column the electromagnetic valve component outside piston and cylinder and the gas for being arranged on cylinder inner cavity bottom
Generator；Described controller is made up of control unit, two Data Input Interfaces and two data output interfaces, and described stays
Contact switch at car brake is connected by data wire with a signal input port of controller, described obliquity sensor
It is connected by data wire with another signal input port of controller, the gas of the cylinder inner cavity bottom on the left of vehicle body and right side
Generator is connected by ignition fuse with a signal output port of controller respectively, and described electromagnetic valve component is by one two
The logical magnetic valves in position two and two check valves in parallel are in series, and 2/2-way magnetic valve is another by data wire and controller
One signal output port is connected.
The efficient anti-rollover system of car of the present invention, the signal from EPB contact switch is received by controller,
When vehicle is in transport condition, controller output control signal is at closed to the 2/2-way magnetic valve of ejecting mechanism
State, to ensure the sealing property of device for ejecting.Side tilt angle is sensed by obliquity sensor when car is turned on one's side, and data are believed
Number be transferred to controller, when side tilt angle exceed car turn on one's side critical angle after (now car is necessarily turned on one's side), by controller
Sending instruction makes ignition fuse start igniting, the gas generator for rollover side of igniting, and it is produced gas rapidly, and promote piston
Motion, piston promotes the motion of hatch door column so that hatch door is using the pin joint between hatch door column and vehicle body waist rail lower pillar stand as axle
Outwardly open, due to the motion of hatch door column, and Foldable formula pull bar deploys rapidly, final hatch door column and waist rail lower pillar stand
Between expand into an obtuse angle (between 120~150), collapsible pull bar expands into straight line.Now, by hatch door column, waist
The stable triangular structure of beam lower pillar stand, collapsible pull bar composition, and collided prior to vehicle body with ground, pass through self structure
Deformation absorbs big energy, reduces vehicle body collision energy, realizes protection living space.
The present invention can preferably utilize vehicle body existing structure, and lifting car anti-side by active mode turns over performance.Utilize visitor
The existing cabin door structure in car side, and it is optimized design, it is actively ejected hatch door machine when car is turned on one's side
Structure, and collided prior to vehicle body with ground, energy is absorbed for body structure by self structure deformation, reduction vehicle body knot is played
Structure is deformed, and protects the effect of occupant's living space, and when hatch door is normally used (dead ship condition), still hatch door can be made freely to open
Open and close.
Brief description of the drawings
Fig. 1 is bus luggage cabin door structure front view of the present invention；
Fig. 2 is Fig. 1 side view；
Fig. 3 is the structural representation of the efficient anti-rollover system of car of the present invention；
Fig. 4 is the control flow chart of the present invention；
Fig. 5 is the ejecting mechanism schematic diagram shown in Fig. 3；
Fig. 6 is that apparatus of the present invention deploy process schematic when car is turned on one's side；
Fig. 7 is general bus luggage hatch door distribution schematic diagram；
The passenger car side that Fig. 8 is equipped with the present invention turns over process schematic；
Fig. 9 is the simulation result schematic diagram for not using collision rift of the present invention；
Figure 10 is to employ the simulation result schematic diagram that the present invention is collided；
Embodiment
The present invention is described in further detail below in conjunction with the embodiment that accompanying drawing is provided.
As shown in Figure 1, 2, in figure：1 it is vehicle body waist rail lower pillar stand, 2 be hatch door column, 3 be collapsible pull bar, 4 is hatch door
Crossbeam, 5 are hinge；The efficient anti-rollover system of car of the present invention, is that luggage compartment door mechanism is actively flicked when car is turned on one's side,
It is collided prior to vehicle body with ground, impact energy is absorbed for body structure by the collision deformation of luggage compartment door itself mechanism
Amount, reduces body structure deformation to realize, protects the effect of occupant's living space：Its specific implementation is as follows：By controller 7
The signal of the contact switch at EPB is received, when the vehicle is running, controller closes two be located at outside ejection cylinder
Two three-way electromagnetic valves 17 of position, it is ensured that the sealing of cylinder.When car is turned on one's side, by the obliquity sensor for being arranged on car position of centre of gravity
6 perceive vehicle bodies angle of inclination, when the critical angle more than setting by controller 7 pairs be arranged between luggage compartment door and vehicle body
Hatch door ejecting mechanism send instruction unpack luggage compartment door, the luggage compartment door contacted to earth prior to vehicle body passes through vehicle body waist rail lower pillar stand
1st, with vehicle body waist rail lower pillar stand hinge hatch door column 2, two ends are hinged on vehicle body waist rail lower pillar stand and hatch door column respectively
The triangular structure that collapsible pull bar 3 is constituted is available buffer and the deformation of contacting to earth for reducing body structure.
In order to solve the contradiction between car rollover security and light-weight design, the existing knot of vehicle body can be preferably utilized
Structure, lifts car anti-side by active mode and turns over performance.The present invention is carried out using the existing cabin door structure in car side to it
Optimization design, makes it actively eject hatch door mechanism when car is turned on one's side, and is collided prior to vehicle body with ground, passes through
Self structure deformation absorbs energy for body structure, plays reduction body structure deformation, protects the effect of occupant's living space.
In reference picture 3 to 5, figure, 6 it is obliquity sensor, 7 is controller, 8 is data wire, 9 is ejecting mechanism assembly, 10
It is inflator assembly for gas generator ignition fuse, 11,12 be cylinder, 13 be piston, 14 be hinge seat A, 15 is hinge
Chain seat B, 16 be controller data output line, 17 be 2/2-way magnetic valve, 18 be air pressure check valve A, 19 be air pressure check valve
B；
A kind of efficient anti-rollover system of the car for realizing the above method, by being arranged on the luggage compartment door of car both sides bottom
The fast-breaking ejecting mechanism of hatch door, the contact switch being arranged at EPB can be made, body gravity position is arranged on
Obliquity sensor 6 and controller 7 are constituted；Described ejecting mechanism includes the cylinder 12 that bottom is hinged on luggage compartment floor crossbeam
The electromagnetic valve component outside piston 13 and cylinder that is hinged at rod end on hatch door column 2 and it is arranged on cylinder inner cavity bottom
Gas generator 11.Described controller 7 is made up of control unit, two Data Input Interfaces and two data output interfaces,
Contact switch at described EPB is connected by data wire 8 with a signal input port of controller, described
Obliquity sensor 6 is connected by data wire 8 with another signal input port of controller, on the left of vehicle body and in the cylinder on right side
The gas generator 11 in bottom of chamber portion is connected by ignition fuse 10 with a signal output port of controller respectively, solenoid valve block
Part is in series by the check valve 18,19 in parallel of the magnetic valve 17 of a 2/2-way and two, described 2/2-way electromagnetism
Valve 17 is connected by data wire 16 with another signal output port of controller.
Hatch door drag link mechanism can be designed as a variety of expanded forms：Multistage is collapsible, contraction type, sleeve are drawing etc..Tool
Body form carries out installation matching according to specific vehicle body structure form and rollover demand for security.
Hatch door drag link mechanism may be designed as stretching power-absorbing.During rollover, after hatch door is ejected, hatch door is by curved
Trend, and hatch door pull bar is tension trend, therefore hatch door pull bar is designed as into stretching power-absorbing contributes to many absorption energy, reduces
The collision energy of body shell, improves car rollover security.
The present invention by controller 7 sense at parking hand-operated brake set contact switch input signal, when in
When car brake is non-working condition (car is transport condition), two to ejecting mechanism of the output control signal of controller 7
Two three-way electromagnetic valves 17 are at closed state, to ensure the sealing property of device for ejecting cylinder.When EPB is to use
During state (be car parked state), controller 7 is in 2/2-way magnetic valve 17 to open by the output signal of data lead 8
State is opened, when needing to open hatch door, i.e., piston is moved out, now unidirectional air pressure valve A18 lockings, and air passes through unidirectional air pressure
Valve B19 enters in cylinder；Likewise, close hatch door when, i.e., piston to cylinder interior move when, 2/2-way magnetic valve 17 is still
In opening, unidirectional air pressure valve B19 lockings, it is extraneous that the air in cylinder passes through unidirectional air pressure valve A18 flow directions.
Side tilt angle is sensed by obliquity sensor 6 when car is turned on one's side, and by data signal transmission to controller 7, when
Side tilt angle exceedes after car rollover critical angle (now car is necessarily turned on one's side), judges direction of turning on one's side by controller 7, concurrently
Go out instruction make 11 points of rollover side gas generator fight it is rapid produce gas, promote piston 13 to move, piston 13 promotes hatch door to stand
Post is moved so that hatch door is outwardly opened using the pin joint between hatch door column 2 and vehicle body waist rail lower pillar stand 1 as axle, due to hatch door
The motion of column 2, and Foldable formula pull bar 3 deploys rapidly, and one is expanded between final hatch door column and waist rail lower pillar stand
Obtuse angle (between 120~150), collapsible pull bar expands into straight line, and expansion process is as shown in Figure 6.Now, stood by hatch door
The stable triangular structure of post 2, waist rail lower pillar stand 1, the composition of collapsible pull bar 3, and collided prior to vehicle body with ground, pass through
Self structure deformation absorbs big energy, reduces vehicle body collision energy, protects living space.
Passenger car side equipped with the present apparatus climbs over journey as shown in Figure 8.In order to verify effectiveness of the invention, the present inventor with
Exemplified by certain car, standard vehicle figure FEM model is set up, rollover simulation analysis are carried out according to the requirement of ECE R66 regulations.
Set up the body section FEM model equipped with Pop-up hatch door protection mechanism simultaneously and the body section finite element of the present invention is not installed
Model.Simulation analysis are carried out using LS-Dyna softwares, and according to energy of the analysis result to present invention lifting car rollover security
Power is evaluated, as a result as shown in accompanying drawing 9,10.Accompanying drawing 9 is does not use simulation result (the wherein vehicle body of present apparatus direct collision
The trapezoidal living space for laws and regulations requirement in structure), window pillar has invaded living space, fails by regulation, accompanying drawing 10
To employ the collision simulation result after the present apparatus, window pillar still has a certain distance from living space, can pass through regulation.It is logical
Comparative result is crossed it is apparent that the present invention can effectively improve car rollover security.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modification, equal replacement and improvement for being made within principle etc., all should fall within the scope and spirit of the invention.
Claims (2)
1. a kind of efficient anti-rollover system of car, it is characterised in that：It is that luggage compartment door machine is actively flicked when car is turned on one's side
Structure, makes it be collided prior to vehicle body with ground, and absorbing a part in advance by the collision deformation of luggage compartment door itself mechanism hits
Energy is hit, reduces body structure deformation to realize, protects the effect of occupant's living space；Its specific implementation is as follows：By setting
The angle of inclination that the obliquity sensor in body gravity position perceives vehicle body is put, car body obliqueness exceedes and set during bus driving
Instruction unpack row is sent to the hatch door ejecting mechanism being arranged between luggage compartment door and vehicle body by controller during fixed critical angle
Lee's hatch door, the luggage compartment door contacted to earth prior to vehicle body is stood by vehicle body waist rail lower pillar stand, with the hatch door that vehicle body waist rail lower pillar stand is hinged
The triangular structure for the collapsible pull bar composition that post, two ends are hinged on vehicle body waist rail lower pillar stand and hatch door column respectively can be delayed
Punching and the deformation of contacting to earth for reducing body structure.
2. a kind of efficient anti-rollover system of car according to claims 1, it is characterised in that：By being arranged on car both sides
Making the fast-breaking ejecting mechanism of hatch door, the contact switch being arranged at EPB, setting on the luggage compartment door of bottom
Obliquity sensor and controller in body gravity position are constituted；Described ejecting mechanism is hinged at luggage compartment floor including bottom
Cylinder and rod end on crossbeam are hinged on hatch door column the electromagnetic valve component outside piston and cylinder and it is arranged on cylinder
The gas generator of intracavity bottom；Described controller is connect by control unit, two Data Input Interfaces and two data outputs
Contact switch at mouth composition, described EPB is connected by data wire with a signal input port of controller,
Described obliquity sensor is connected by data wire with another signal input port of controller, the gas on the left of vehicle body and right side
The gas generator of cylinder intracavity bottom is connected by ignition fuse with a signal output port of controller respectively, described electricity
Electromagnetic valve component is in series by the magnetic valve and two check valves in parallel of a 2/2-way, described 2/2-way magnetic valve
It is connected by data wire with another signal output port of controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416355.2A CN107226058A (en) | 2017-06-06 | 2017-06-06 | The efficient anti-rollover system of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710416355.2A CN107226058A (en) | 2017-06-06 | 2017-06-06 | The efficient anti-rollover system of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107226058A true CN107226058A (en) | 2017-10-03 |
Family
ID=59934777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710416355.2A Pending CN107226058A (en) | 2017-06-06 | 2017-06-06 | The efficient anti-rollover system of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107226058A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320503A (en) * | 2021-05-26 | 2021-08-31 | 杭州电子科技大学 | Rollover prevention device and rollover prevention method for truck |
| CN114572143A (en) * | 2022-03-14 | 2022-06-03 | 南京航空航天大学 | Automobile rollover prevention device and control method thereof |
-
2017
- 2017-06-06 CN CN201710416355.2A patent/CN107226058A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320503A (en) * | 2021-05-26 | 2021-08-31 | 杭州电子科技大学 | Rollover prevention device and rollover prevention method for truck |
| CN113320503B (en) * | 2021-05-26 | 2022-04-05 | 杭州电子科技大学 | Rollover prevention device and rollover prevention method for truck |
| CN114572143A (en) * | 2022-03-14 | 2022-06-03 | 南京航空航天大学 | Automobile rollover prevention device and control method thereof |
| CN114572143B (en) * | 2022-03-14 | 2023-03-17 | 南京航空航天大学 | Automobile rollover prevention device and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171003 |