CN217598503U - Rollover energy absorption system and passenger car - Google Patents
Rollover energy absorption system and passenger car Download PDFInfo
- Publication number
- CN217598503U CN217598503U CN202123235252.7U CN202123235252U CN217598503U CN 217598503 U CN217598503 U CN 217598503U CN 202123235252 U CN202123235252 U CN 202123235252U CN 217598503 U CN217598503 U CN 217598503U
- Authority
- CN
- China
- Prior art keywords
- air
- energy absorption
- passenger car
- air spring
- bumper
- 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.)
- Active
Links
Images
Abstract
The utility model belongs to the technical field of automobile collision energy absorption, and relates to a rollover energy absorption system and a passenger car, which comprises an energy absorption assembly, a side inclination angle sensor, a pressure release valve and an electronic control unit, wherein the side inclination angle sensor and the pressure release valve are respectively and electrically connected with the electronic control unit; the side inclination angle sensor is arranged on the passenger car body and used for detecting the side inclination angle of the passenger car body; the energy absorption assembly comprises a bumper and an air spring, the inner end of the air spring is fixed on a side column of the passenger car, the outer end of the air spring is fixed on the bumper, and the bumper extends in the vertical direction and covers the outer side of the side column of the passenger car; the air spring is provided with a pressure relief opening, and the pressure relief valve is connected with the pressure relief opening of the air spring and used for controlling the pressure relief of the air spring. The side-turning energy absorption system can rapidly and effectively absorb huge energy generated in the moment when a vehicle collides with the ground during side turning, can achieve different degrees of graded energy absorption for different degrees of side-turning accidents, and improves the safety performance of the whole vehicle.
Description
Technical Field
The utility model belongs to the technical field of car collision energy-absorbing, a energy-absorbing system and passenger train turn on one's side is related to.
Background
The passenger car is always collided because the vehicle is out of control, the brake is out of order or the driver breaks rules and regulations, and because the passenger car has large mass and large collision acceleration, huge energy can be generated in the collision moment, and the safety of the driver and passengers is influenced. And the passenger car is easy to turn over.
However, the collision energy absorption devices of the existing passenger cars are mainly used for front-rear collision protection, and when the passenger cars roll over, the side columns of the passenger cars cannot be effectively protected, so that the side columns are easy to break and invade a driving area, and secondary damage is caused to drivers.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a side-turning energy-absorbing system and passenger train, which aims at the problem that when the passenger train is turned over, the side column of the passenger train cannot be effectively protected by the existing collision energy-absorbing device.
For solving the technical problem, on the one hand, the utility model provides a side-turning energy-absorbing system. The rollover energy absorption system comprises an energy absorption assembly, a roll angle sensor, a pressure release valve and an electronic control unit, wherein the roll angle sensor and the pressure release valve are respectively and electrically connected with the electronic control unit;
the side inclination angle sensor is arranged on the passenger car body and used for detecting the side inclination angle of the passenger car body;
the energy absorption assembly comprises a bumper and an air spring, the inner end of the air spring is fixed on a side column of the passenger car, the outer end of the air spring is fixed on the bumper, and the bumper extends in the vertical direction and covers the outer side of the side column of the passenger car;
and the air spring is provided with a pressure relief opening, and the pressure relief valve is connected with the pressure relief opening of the air spring and used for controlling the pressure relief of the air spring.
Optionally, the air spring is provided with a plurality of air springs, and the plurality of air springs are arranged at intervals along the vertical direction.
Optionally, two air springs are provided, and the two air springs are located at two ends of the bumper in the height direction.
Optionally, the energy absorption assemblies are arranged in a plurality of numbers, and the energy absorption assemblies are symmetrically arranged on a plurality of side columns at two sides of the passenger car.
Optionally, the rollover energy absorption system further comprises a one-way valve, an air reservoir and an air compressor, the air compressor is fixed on the body of the passenger car, and the air spring is further provided with an air inlet;
the air compressor is used for supplying air to the air storage cylinder, the one-way valve is arranged between the air inlet of the air spring and the air outlet of the air storage cylinder, and the air storage cylinder is used for supplying air pressure to the air spring through the one-way valve.
Optionally, the rollover energy absorption system further comprises an air pressure sensor;
the air pressure sensor is electrically connected with the electronic control unit and used for detecting the air pressure of the air storage cylinder.
Optionally, when the passenger car rolls over, when the roll angle sensor detects that the roll angle of the passenger car body is greater than or equal to a preset angle, the air reservoir inflates the air spring to a saturated state.
Optionally, when the passenger car rolls over and the instantaneous angular acceleration of the passenger car body decreases, the electronic control unit sends a pressure reduction signal to the pressure release valve to control the air spring to release pressure.
Optionally, the outer side surface of the bumper is an arc surface, the arc surface protrudes outwards, and the protruding distance of the arc surface from the upper end to the lower end to the middle is gradually increased.
The embodiment of the utility model provides a side-turning energy-absorbing system, the roll angle sensor is arranged on the passenger car body and is used for detecting the roll angle of the passenger car body; the energy absorption assembly comprises a bumper and an air spring, the inner end of the air spring is fixed on a side column of the passenger car, the outer end of the air spring is fixed on the bumper, and the bumper extends in the vertical direction and covers the outer side of the side column of the passenger car; and the air spring is provided with a pressure relief opening, and the pressure relief valve is connected with the pressure relief opening of the air spring and used for controlling the pressure relief of the air spring. The side-turning energy absorption system can rapidly and effectively absorb huge energy generated in the moment when a vehicle collides with the ground during side turning, can achieve different degrees of graded energy absorption for different degrees of side-turning accidents, and improves the safety performance of the whole vehicle.
On the other hand, the embodiment of the utility model provides a still provides a passenger train, it includes passenger train automobile body and foretell energy-absorbing system of turning on one's side, the both sides of passenger train automobile body have a plurality of side posts, at least one the outside of side post is provided with energy-absorbing component.
Drawings
Fig. 1 is a schematic view of a rollover energy absorption system according to an embodiment of the present invention;
fig. 2 is a schematic view of an energy absorbing assembly of a rollover energy absorbing system according to an embodiment of the present invention;
fig. 3 is a schematic view of a passenger car provided by an embodiment of the present invention;
fig. 4 is a side view of a passenger vehicle according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. an energy absorbing assembly; 11. a bumper; 12. an air spring;
2. a roll angle sensor; 3. a pressure relief valve; 4. an electronic control unit; 5. a one-way valve; 6. an air cylinder; 7. an air compressor; 8. an air pressure sensor;
100. a passenger vehicle body; 200. and a side column.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 4, the embodiment of the utility model provides a side-turning energy-absorbing system, including energy-absorbing component 1, roll angle sensor 2, relief valve 3 and electronic control unit 4, roll angle sensor 2 and relief valve 3 respectively with electronic control unit 4 electricity is connected.
The roll angle sensor 2 is arranged on the passenger car body 100 and used for detecting the roll angle of the passenger car body 100.
The energy absorption assembly 1 comprises a bumper 11 and an air spring 12, wherein the inner end of the air spring 12 is fixed on a side column 200 of the passenger car, the outer end of the air spring 12 is fixed on the bumper 11, and the bumper 11 extends in the vertical direction and covers the outer side of the side column 200 of the passenger car.
A pressure relief opening (not shown in the figure) is formed in the air spring 12, and the pressure relief valve 3 is connected with the pressure relief opening of the air spring 12 and used for controlling the pressure relief of the air spring 12.
In one embodiment, the air spring 12 is provided in a plurality, and the plurality of air springs 12 are arranged at intervals in the vertical direction.
In one embodiment, two air springs 12 are provided, and the two air springs 12 are located at both ends of the bumper 11 in the height direction.
In one embodiment, the energy absorption assembly 1 is provided in plurality, and the energy absorption assemblies 1 are symmetrically arranged on a plurality of side pillars 200 at two sides of the passenger car.
Energy-absorbing subassembly 1 is fixed on vehicle both sides side post 200, and when the vehicle turned on one's side, can reduce the impact degree to the personnel on the car when the vehicle turned on one's side, also can carry out effectual protection to side post 200, prevents that side post 200 fracture from invading the driver's space, causes secondary damage to the driver, and the roll angle sensor 2 is placed in plantago top department for detect measure the condition of heeling, gives electronic control unit 4 with the signal transmission.
In one embodiment, the rollover energy absorption system further comprises a one-way valve 5, an air storage cylinder 6 and an air compressor 7, wherein the air compressor 7 is fixed on the body of the passenger car, and an air inlet (not shown) is further arranged on the air spring 12.
The air compressor 7 is used for supplying air to the air storage cylinder 6, the one-way valve 5 is arranged between the air inlet of the air spring 12 and the air outlet of the air storage cylinder 6, and the air storage cylinder 6 is used for supplying air pressure to the air spring 12 through the one-way valve 5.
In one embodiment, the rollover energy absorption system further comprises an air pressure sensor 8.
The air pressure sensor 8 is electrically connected with the electronic control unit 4 and is used for detecting the air pressure of the air cylinder 6.
In one embodiment, when the roll angle sensor 2 detects that the roll angle of the passenger car body 100 is greater than or equal to a preset angle when the passenger car rolls over, the air reservoir 6 inflates the air spring 12 to a saturated state.
In one embodiment, when the passenger car rolls over and the instantaneous angular acceleration of the passenger car body 100 decreases, the electronic control unit 4 sends a pressure reduction signal to the pressure release valve 3 to control the air spring 12 to release pressure.
When a vehicle turns over, when the roll angle sensor 2 detects that the roll angle is larger than or equal to 60 degrees, the air spring 12 is inflated to a saturated state, the roll angle sensor 2 continuously sends angle information at each moment to the electronic control unit 4, the electronic control unit 4 receives the continuously sent angle information to calculate instantaneous angular acceleration, when the instantaneous angular acceleration is reduced, the electronic control unit 4 sends a pressure reduction signal to the pressure release valve 3, the electronic control unit 4 controls the air pressure of the air spring 12 to be reduced according to the speed of the roll angular velocity attenuation of the vehicle, when the speed of the attenuation is too high, the pressure release speed is increased, when the speed of the attenuation is too low, the pressure release speed is reduced, and the pressure release process is collapse energy absorption.
Therefore, the air spring 12 compression exhaust crumple strategy is intelligentized, the energy absorption is larger, the crumple effect is better, different crumple strategies can be made according to actual conditions, and the crumple is more intelligent and reasonable and the energy absorption effect is better.
In one embodiment, the outer side surface of the bumper 11 is a cambered surface, the cambered surface protrudes outwards, and the protruding distance of the cambered surface gradually increases from the upper end to the lower end to the middle.
In one embodiment, the rearview mirrors of the passenger car can be replaced by electronic rearview mirrors, the electronic rearview mirrors are integrated on the energy absorption assembly 1, and the rollover rearview mirrors can be prevented from entering a driving area to influence the life safety of a driver.
In an embodiment, the rollover energy absorption system further includes a lateral acceleration sensor and a force sensor, the lateral acceleration sensor is used for detecting a lateral acceleration of the vehicle during rolling, the force sensor is used for detecting a stress condition of the bumper 11 during rolling, different rollover conditions are analyzed according to a roll angle, the lateral acceleration and the stress condition of the bumper 11, the electronic control unit 4 formulates different strategies according to the different rollover conditions, and the air spring 12 is controlled more intelligently.
According to the side-turning energy-absorbing system provided by the embodiment of the utility model, the roll angle sensor is arranged on the passenger car body and used for detecting the roll angle of the passenger car body; the energy absorption assembly comprises a bumper and an air spring, the inner end of the air spring is fixed on a side column of the passenger car, the outer end of the air spring is fixed on the bumper, and the bumper extends in the vertical direction and covers the outer side of the side column of the passenger car; and the air spring is provided with a pressure relief opening, and the pressure relief valve is connected with the pressure relief opening of the air spring and used for controlling the pressure relief of the air spring. The side-turning energy absorption system can rapidly and effectively absorb huge energy generated in the moment when a vehicle collides with the ground during side turning, can achieve different degrees of graded energy absorption for different degrees of side-turning accidents, and improves the safety performance of the whole vehicle.
Additionally, an embodiment of the utility model provides a passenger train still provides, its side-turning energy-absorbing system who includes passenger train automobile body and above-mentioned embodiment, the both sides of passenger train automobile body have a plurality of side posts, at least one the outside of side post is provided with the energy-absorbing subassembly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. A rollover energy absorption system is characterized by comprising an energy absorption assembly, a roll angle sensor, a pressure release valve and an electronic control unit, wherein the roll angle sensor and the pressure release valve are respectively and electrically connected with the electronic control unit;
the side inclination angle sensor is arranged on the passenger car body and used for detecting the side inclination angle of the passenger car body;
the energy absorption assembly comprises a bumper and an air spring, the inner end of the air spring is fixed on a side column of the passenger car, the outer end of the air spring is fixed on the bumper, and the bumper extends in the vertical direction and covers the outer side of the side column of the passenger car;
and the air spring is provided with a pressure relief opening, and the pressure relief valve is connected with the pressure relief opening of the air spring and used for controlling the pressure relief of the air spring.
2. The rollover energy absorption system according to claim 1, wherein a plurality of the air springs are provided, and the plurality of the air springs are arranged at intervals in a vertical direction.
3. The rollover energy absorbing system according to claim 1, wherein two air springs are provided, and the two air springs are located at two ends of the bumper in the height direction.
4. The rollover energy absorption system according to claim 1, wherein the energy absorption assembly is provided in plurality, and the energy absorption assembly is symmetrically arranged on a plurality of side pillars on two sides of the passenger car.
5. The rollover energy absorbing system according to claim 1, further comprising a check valve, an air reservoir and an air compressor, wherein the air compressor is fixed on a body of a passenger car, and an air inlet is further arranged on the air spring;
the air compressor is used for supplying air to the air storage cylinder, the one-way valve is arranged between the air inlet of the air spring and the air outlet of the air storage cylinder, and the air storage cylinder is used for supplying air pressure to the air spring through the one-way valve.
6. The rollover energy absorption system according to claim 5, further comprising an air pressure sensor;
the air pressure sensor is electrically connected with the electronic control unit and used for detecting the air pressure of the air storage cylinder.
7. The rollover energy absorption system according to claim 1, wherein the outer side surface of the bumper is an arc surface, the arc surface protrudes outwards, and the protruding distance of the arc surface gradually increases from the upper end to the lower end to the middle.
8. A passenger car, comprising a passenger car body and the rollover energy absorption system as recited in any one of claims 1-7, wherein a plurality of side pillars are arranged on two sides of the passenger car body, and the energy absorption assembly is arranged outside at least one of the side pillars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235252.7U CN217598503U (en) | 2021-12-20 | 2021-12-20 | Rollover energy absorption system and passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123235252.7U CN217598503U (en) | 2021-12-20 | 2021-12-20 | Rollover energy absorption system and passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217598503U true CN217598503U (en) | 2022-10-18 |
Family
ID=83560571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123235252.7U Active CN217598503U (en) | 2021-12-20 | 2021-12-20 | Rollover energy absorption system and passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217598503U (en) |
-
2021
- 2021-12-20 CN CN202123235252.7U patent/CN217598503U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4200440B2 (en) | Pedestrian protection device | |
| EP1874590B1 (en) | Protection means for road vehicles | |
| EP3299227B1 (en) | Method and device for preventing automobile rear-end collision | |
| CN109591755B (en) | Method for protecting human-ground collision damage of high-speed car | |
| CN107161100A (en) | A kind of pedestrains safety guard method and system | |
| CN100569561C (en) | A kind of automobile collision active protection buffer device | |
| CN105128786A (en) | Initiative anti-collision buffering device for automobile | |
| CN105584440A (en) | Collision buffer energy-absorption device for automobile | |
| CN201056189Y (en) | Triggering type vehicle buffering mechanism for crash | |
| CN202753900U (en) | External airbag device for vehicles | |
| CN217598503U (en) | Rollover energy absorption system and passenger car | |
| CN207697824U (en) | A kind of Novel crashproof formula automobile chassis | |
| CN102303577B (en) | Motor vehicle anti-collision invention linkage device | |
| CN204452311U (en) | A kind of bumper/spoiler being provided with crash sensor | |
| CN105922957B (en) | A kind of automobile front beam of two-way prevention | |
| CN107021058A (en) | Pedestrian protection and pedestrian protecting bumper | |
| CN205871964U (en) | Car front bumper of two -way protection | |
| CN216074898U (en) | Buffering guardrail for highway | |
| CN210822123U (en) | Automobile anti-collision bumper | |
| CN114572143A (en) | Automobile rollover prevention device and control method thereof | |
| CN208069582U (en) | A kind of three-level buffer device for collision of automobile | |
| CN105857237B (en) | Vehicle | |
| CN217839780U (en) | Emergency danger avoiding device for passenger car | |
| CN201842071U (en) | Auxiliary braking device | |
| CN213768469U (en) | Lightweight automobile anti-collision beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |