CN217864011U - A vehicle that is used for crashproof roof beam energy-absorbing system of vehicle and has it - Google Patents
A vehicle that is used for crashproof roof beam energy-absorbing system of vehicle and has it Download PDFInfo
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- CN217864011U CN217864011U CN202222129425.5U CN202222129425U CN217864011U CN 217864011 U CN217864011 U CN 217864011U CN 202222129425 U CN202222129425 U CN 202222129425U CN 217864011 U CN217864011 U CN 217864011U
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Abstract
The utility model discloses an anticollision roof beam energy-absorbing system and have its vehicle for vehicle. This crashproof roof beam energy-absorbing system includes: the energy absorption structure is arranged between the anti-collision beam and the longitudinal beam, the energy absorption structure is a flexible energy absorption structure, an air chamber is arranged in the energy absorption structure, the air chamber is selectively communicated with an air source, and the air source is used for providing air compensation for the air chamber; the unloading valve is used for relieving pressure of the air chamber; a vehicle speed sensor; the controller, the unloading valve and the vehicle speed sensor are electrically connected with the controller, and the controller adjusts the pressure relief speed of the unloading valve and the gas compensation amount of the gas chamber according to the vehicle speed sensor. According to the utility model discloses an anticollision roof beam energy-absorbing system for vehicle is through setting up the energy-absorbing structure to according to the gas compensation volume of the release speed of actual collision condition regulation off-load valve and air chamber, can change the rigidity of energy-absorbing structure, make the energy-absorbing structure obtain better energy-absorbing effect, improved anticollision roof beam energy-absorbing system's collision security.
Description
Technical Field
The utility model relates to the technical field of vehicles, particularly, relate to an anticollision roof beam energy-absorbing system and have vehicle of this anticollision roof beam energy-absorbing system for vehicle.
Background
The energy absorption structure between the anti-collision beam and the longitudinal beam mainly adopts steel materials and a square box structure, the energy absorption structure is provided with an energy absorption groove and other structures for crumpling and energy absorption, the anti-collision beam transmits impact force to the energy absorption structure after receiving impact force, and the energy absorption structure is crumpled and deformed by the force to absorb the collision energy. However, the energy absorption structure has poor energy absorption effect, and cannot effectively absorb impact generated by collision, so that the collision damages the anti-collision beam and the longitudinal beam greatly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides an anticollision roof beam energy-absorbing system for vehicle, the energy-absorbing effect of flexible energy-absorbing structure is better.
The utility model also provides a vehicle of having above-mentioned anticollision roof beam energy-absorbing system for vehicle.
According to the utility model discloses an anticollision roof beam energy-absorbing system for vehicle includes: the energy absorption structure is arranged between the anti-collision beam and the longitudinal beam, the energy absorption structure is a flexible energy absorption structure, an air chamber is arranged in the energy absorption structure, the air chamber is selectively communicated with an air source, and the air source is used for providing air compensation for the air chamber; the unloading valve is used for relieving pressure of the air chamber; a vehicle speed sensor for detecting a vehicle speed; the controller is electrically connected with the unloading valve and the vehicle speed sensor, and the controller adjusts the pressure relief speed of the unloading valve and the gas compensation amount of the gas chamber according to the vehicle speed sensor.
According to the utility model discloses an anticollision roof beam energy-absorbing system for vehicle is through being the flexible energy-absorbing structure with energy-absorbing structural design to adjust the release speed and the gaseous compensation volume of air supply to the air chamber of off-load valve according to the actual collision condition, adjust with the rigidity to the energy-absorbing structure, can make the energy-absorbing structure obtain better energy-absorbing effect, thereby improved anticollision roof beam energy-absorbing system's collision security.
According to some embodiments of the utility model, crashproof roof beam energy-absorbing system constructs to: when the vehicle collides at a first speed, the unloading valve releases pressure at the first unloading speed, and the air source provides a first air compensation amount for the air chamber; when the vehicle collides at a second speed, the unloading valve releases pressure at the second unloading speed, and the air source provides a second air compensation amount for the air chamber; when the vehicle collides at a third speed, the unloading valve releases pressure at the third unloading speed, and the air source provides a third air compensation amount for the air chamber;
wherein the first speed is less than the second speed and less than the third speed, the first unloading speed is greater than the second unloading speed and greater than the third unloading speed, and the first gas compensation amount is less than the second gas compensation amount and less than the third gas compensation amount.
According to some embodiments of the invention, the first speed V1 satisfies: v1 is less than or equal to 30km/h, and the second speed V2 satisfies the following conditions: v2 is more than 30km/h and less than or equal to 60km/h, and the third speed V3 meets the following requirements: v3 is more than 60km/h.
According to some embodiments of the utility model, anticollision roof beam and every all be equipped with between the longeron energy-absorbing structure.
According to the utility model discloses a some embodiments, crashproof roof beam energy-absorbing system still includes radar installations, radar installations with the controller electricity is connected and is used for detecting vehicle the place ahead barrier in order to judge collision position in advance, the controller basis collision position adjustment corresponds the position energy-absorbing structure the off-load valve and gaseous compensation volume.
According to some embodiments of the utility model, the air supply with be equipped with the control valve between the air chamber, the control valve with the controller electricity is connected, the controller is through control the valve aperture of control valve is adjusted gaseous compensation volume.
According to some embodiments of the utility model, crashproof roof beam energy-absorbing system still includes the air pump, the air pump with the controller electricity is connected, the air pump be used for with the gas of air supply to the air chamber drive.
According to some embodiments of the utility model, the energy-absorbing structure is rubber bag or silica gel bag, the air supply is the gas holder.
According to some embodiments of the invention, the vehicle speed sensor comprises a speed sensor and/or an acceleration sensor.
According to another aspect of the present invention, a vehicle includes the above-mentioned crashproof roof beam energy-absorbing system for a vehicle.
According to the utility model discloses vehicle, the energy-absorbing structural design through with crashproof roof beam energy-absorbing system is flexible energy-absorbing structure for the rigidity of energy-absorbing structure can be adjusted according to the actual collision condition, in order to obtain better energy-absorbing effect, thereby has improved the collision security of vehicle.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic illustration of the location of an impact beam, energy absorbing structure, and longitudinal beam;
fig. 2 is a schematic diagram of an impact beam energy absorption system according to an embodiment of the present invention.
Reference numerals:
the anti-collision device comprises an anti-collision beam 1, an energy absorption structure 2, a longitudinal beam 3, an air source 4, an unloading valve 5, a vehicle speed sensor 6, a controller 7, an air pump 8, a first control circuit 91, a second control circuit 92 and a signal circuit 93.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically, electrically or otherwise in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
An impact beam energy absorption system for a vehicle and a vehicle having the impact beam energy absorption system according to embodiments of the present invention are described in detail below with reference to fig. 1 to 2.
Referring to fig. 1-2, an impact beam energy absorption system according to an embodiment of the present invention may include: the device comprises an anti-collision beam 1, an energy absorption structure 2, a longitudinal beam 3, an air source 4, an unloading valve 5, a vehicle speed sensor 6 and a controller 7.
Wherein, energy-absorbing structure 2 sets up between crashproof roof beam 1 and longeron 3, and energy-absorbing structure 2 is flexible energy-absorbing structure, and energy-absorbing structure 2 is inside to have an air chamber, and air chamber and air supply 4 are optionally communicate, and air supply 4 is used for providing gaseous compensation for the air chamber. When the gas source 4 provides gas compensation to the chamber, the amount of gas in the chamber increases. When the gas amount in the gas chamber is changed, the rigidity of the energy-absorbing structure 2 is changed, so that the energy-absorbing structure can be suitable for collision scenes of different conditions, for example, when the collision is carried out at low speed, the gas amount in the gas chamber is less, and the rigidity of the energy-absorbing structure 2 is less; during high-speed collision, the gas amount in the gas chamber is large, and the rigidity of the energy absorption structure 2 is large; during medium-speed collision, the gas amount in the gas chamber is between low-speed collision and high-speed collision, and the rigidity of the energy-absorbing structure 2 is also between low-speed collision and high-speed collision.
The unloading valve 5 is used to relieve the pressure in the gas chamber, and specifically, when the unloading valve 5 is opened, the amount of gas in the gas chamber is reduced. When the anti-collision beam 1 collides, the unloading valve 5 releases a part of gas in the air chamber, so that the pressure relief of the air chamber is completed, the rigidity of the energy-absorbing structure 2 can be adjusted, and the rigidity of the energy-absorbing structure 2 is matched with the current vehicle speed in the collision.
The vehicle speed sensor 6 is used for detecting the vehicle speed, the unloading valve 5 and the vehicle speed sensor 6 are both electrically connected with the controller 7, as shown in fig. 2, the unloading valve 5 and the controller 7 can be electrically connected through a first control circuit 91, and the vehicle speed sensor 6 and the controller 7 can be electrically connected through a signal circuit 93. The controller 7 adjusts the pressure relief speed of the unloading valve 5 and the gas compensation amount of the gas chamber according to the vehicle speed sensor 6. Specifically, the vehicle speed sensor 6 collects speed information of the vehicle in real time and transmits the speed information of the vehicle to the controller 7, and when the vehicle collides, the controller 7 can know the current vehicle speed of the vehicle according to the speed information and match the rigidity of the corresponding energy-absorbing structure 2 according to the vehicle speed, so that the energy-absorbing structure 2 achieves a good collision energy-absorbing effect.
According to the utility model discloses anticollision roof beam energy-absorbing system is through designing energy-absorbing structure 2 for flexible energy-absorbing structure 2 to adjust the release speed of off-load valve 5 and the gaseous compensation volume of air supply 4 to the air chamber according to the actual collision condition, adjust in order to the rigidity of energy-absorbing structure 2, can make energy-absorbing structure 2 obtain better energy-absorbing effect, thereby improved anticollision roof beam energy-absorbing system's collision security.
The utility model discloses an in some embodiments, crashproof roof beam energy-absorbing system constructs to be: when the vehicle collides at a first speed, the unloading valve 5 releases pressure at the first unloading speed, and the air source 4 provides a first air compensation amount for the air chamber; when the vehicle collides at a second speed, the unloading valve 5 releases pressure at the second unloading speed, and the air source 4 provides a second air compensation amount for the air chamber; when the vehicle collides at a third speed, the unloading valve 5 releases pressure at the third unloading speed, and the air source 4 provides a third air compensation amount for the air chamber;
wherein the first speed is less than the second speed and less than the third speed, the first unloading speed is greater than the second unloading speed and greater than the third unloading speed, and the first gas compensation amount is less than the second gas compensation amount and less than the third gas compensation amount.
In other words, when the vehicle collides at a low speed, the unloading valve 5 releases pressure quickly, and the air source 4 supplies a small amount of air to the air chamber, so that the energy-absorbing structure 2 is ensured to fully absorb collision energy, and the deformation of other parts is reduced. When the vehicle collides at a medium speed, the unloading valve 5 releases pressure at the medium speed, and the air source 4 supplies air to the air chamber in a proper amount so as to ensure that the energy absorption structure 2 fully absorbs energy and slow down the deformation speed of the energy absorption structure 2, thereby playing a role in slowing down collision impact. When the vehicle collides at a high speed, the unloading valve 5 releases pressure at a low speed, the air source 4 supplies a large amount of air to the air chamber, and the energy absorption structure 2 appropriately transmits collision energy, so that all parts of the vehicle frame fully absorb energy to protect passengers in the vehicle. The specific air pressure and unloading speed need to be calibrated according to basic parameters and analysis results of the vehicle and actual collision test parameters.
According to the utility model discloses anticollision roof beam energy-absorbing system can adjust the collision energy-absorbing strategy according to different collision speed in order to realize maximum energy-absorbing effect, energy transfer rate and buffering effect, furthest protection passenger reaches by the collision personnel.
In some embodiments of the present invention, the first speed V1 satisfies: v1 is less than or equal to 30km/h, and the second speed V2 meets the following conditions: v2 is more than 30km/h and less than or equal to 60km/h, and the third speed V3 meets the following conditions: v3 is more than 60km/h. For example, optionally V1=20km/h, V2=450km/h, V3=70km/h.
In some embodiments of the present invention, an energy absorbing structure 2 is disposed between the anti-collision beam 1 and each longitudinal beam 3. As shown in fig. 1, the longitudinal beams 3 are left and right, when the anti-collision beam 1 is a front anti-collision beam, the anti-collision beam 1 is located in front of the two longitudinal beams 3, and energy-absorbing structures 2 are arranged between the anti-collision beam 1 and the left longitudinal beam and between the anti-collision beam 1 and the right longitudinal beam. Alternatively, in some embodiments, the stiffness of the energy absorbing structure 2 can be adjusted individually, so that in the event of a vehicle collision on only one side, the stiffness of the energy absorbing structure 2 can be adjusted only.
The utility model discloses an in some embodiments, crashproof roof beam energy-absorbing system can also include radar installations, and radar installations is connected with controller 7 electricity, particularly, can be connected through the third control circuit electricity between radar installations and the controller 7. The radar device is used for detecting an obstacle in front of the vehicle to predict a collision position, and the controller 7 adjusts the unloading valve 5 of the energy absorption structure 2 and the gas compensation amount at the corresponding position according to the collision position. For example, when the obstacle in front of the vehicle is only located on the right side, the controller 7 adjusts the unloading valve 5 of the energy absorbing structure 2 on the right side and the gas compensation amount to change the stiffness of the energy absorbing structure 2 on the right side.
In some embodiments of the present invention, a control valve is disposed between the air source 4 and the air chamber, the control valve is electrically connected to the controller 7, particularly, the control valve is electrically connected to the controller 7 through a fourth control circuit. The controller 7 adjusts the gas compensation amount by controlling the valve opening of the control valve. Specifically, when the controller 7 controls the valve opening of the control valve to increase, the amount of gas charged into the gas chamber by the gas source 4 increases; when the controller 7 controls the valve opening of the control valve to decrease, the amount of gas filled into the gas chamber by the gas source 4 decreases.
The utility model discloses a in some embodiments, crashproof roof beam energy-absorbing system can also include air pump 8, and air pump 8 is connected with controller 7 electricity, as shown in FIG. 2, can be connected through second control circuit 92 electricity between air pump 8 and the controller 7, and air pump 8 is used for the gaseous air chamber drive with air supply 4, in other words, air pump 8 is used for providing the drive power that makes air supply 4's gaseous entering air chamber to be favorable to promoting the efficiency to the interior make-up gas of air chamber.
In some optional embodiments, the energy absorbing structure 2 is a rubber bag, the rubber has good elastic deformation capacity, the volume can expand and become larger after the gas is filled in, the volume is reduced after the gas is exhausted, and the rubber has low cost, so that the popularization and the application are facilitated.
In further alternative embodiments, the energy absorbing structure 2 is a silicone bag, the volume of which can expand to increase after filling the silicone bag with gas and can decrease after venting the gas from the silicone bag.
In some embodiments, the air supply 4 is an air tank, which may be mounted to the frame of the vehicle.
In other embodiments, the gas source 4 is a gas storage bag.
In some embodiments of the present invention, the vehicle speed sensor 6 comprises a speed sensor and/or an acceleration sensor. Specifically, in some alternative embodiments, the vehicle speed sensor 6 is a speed sensor. In other alternative embodiments, the vehicle speed sensor 6 is an acceleration sensor. In other optional embodiments, the vehicle speed sensor 6 is a speed sensor and an acceleration sensor, a radar device is added at the front of the vehicle to detect an object at the front of the vehicle, the controller 7 receives a vehicle speed signal, a vehicle acceleration signal and a radar detection signal, pre-judges the vehicle speed and the collision position when the vehicle collides, and adjusts the air pressure in the air chamber and the unloading speed and the air compensation amount of the unloading valve 5 to achieve the maximum energy absorption effect.
The following describes a concrete example of an impact beam energy absorption system of the present invention.
Crashproof roof beam energy-absorbing system includes preceding crashproof roof beam 1, left longeron, right longeron, speed sensor 6, radar installations, be equipped with left rubber bag between left longeron and the preceding crashproof roof beam 1, be equipped with right rubber bag between right longeron and the preceding crashproof roof beam 1, left side rubber bag and the inside air chamber that all has of right rubber bag, air chamber and the optional intercommunication of gas holder, air pump 8 is used for driving the gas in the gas holder to flow to the air chamber, still be equipped with off-load valve 5 on left side rubber bag and the right rubber bag for the pressure release to the air chamber.
According to the utility model discloses anticollision roof beam energy-absorbing system sets up flexible energy-absorbing structure 2 between anticollision roof beam 1 and the longeron 3, replaces original metal energy-absorbing structure, and flexible energy-absorbing structure 2's main part is the rubber structure, and inside is the hollow cavity (the air chamber promptly) that runs through, and high-pressure gas is gone into in the cavity, and is sealed through unloading valve 5, opposite side connection control valve, gas holder and air pump 8 to adjust the air chamber internal gas pressure. The gas storage tank is the supplementary gas of energy-absorbing structure 2, and air pump 8 is used for providing driving force.
According to another aspect of the present invention, a vehicle includes the crashproof beam energy absorbing system for a vehicle of the above-mentioned embodiment. The flexible energy absorption structure 2 can realize the maximum energy absorption effect, the energy transfer rate and the buffering effect under different collision speeds by adjusting the air pressure in the air chamber and the pressure relief speed of the unloading valve 5, protect passengers and collided personnel to the maximum extent, and reduce the damage of other parts of the vehicle body. And when the flexible energy absorption structure 2 adopts flexible structures such as rubber, permanent deformation is not easy to generate, the energy absorption structure 2 is not easy to damage, and the energy absorption structure can be repeatedly used after low-speed collision, thereby being beneficial to reducing the maintenance cost.
According to the utility model discloses vehicle, the energy-absorbing structure 2 through with crashproof roof beam energy-absorbing system designs for flexible energy-absorbing structure for energy-absorbing structure 2's rigidity can be adjusted according to the actual collision condition, in order to obtain better energy-absorbing effect, thereby has improved the collision security of vehicle.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A crashbeam energy absorption system for a vehicle, comprising:
the energy absorption structure comprises an anti-collision beam (1), an energy absorption structure (2) and a longitudinal beam (3), wherein the energy absorption structure (2) is arranged between the anti-collision beam (1) and the longitudinal beam (3), the energy absorption structure (2) is a flexible energy absorption structure (2) and is internally provided with an air chamber, the air chamber is selectively communicated with an air source (4), and the air source (4) is used for providing air compensation for the air chamber;
the unloading valve (5) is used for relieving pressure of the air chamber;
a vehicle speed sensor (6), the vehicle speed sensor (6) being configured to detect a vehicle speed;
the unloading valve (5) and the vehicle speed sensor (6) are electrically connected with the controller (7), and the controller (7) adjusts the pressure relief speed of the unloading valve (5) and the gas compensation amount of the gas chamber according to the vehicle speed sensor (6).
2. The impact beam energy absorption system of claim 1, wherein the impact beam energy absorption system is configured to: when the vehicle collides at a first speed, the unloading valve (5) releases pressure at the first unloading speed, and the air source (4) provides a first air compensation amount for the air chamber; when the vehicle collides at a second speed, the unloading valve (5) releases pressure at the second unloading speed, and the air source (4) provides a second air compensation amount for the air chamber; when the vehicle collides at a third speed, the unloading valve (5) releases pressure at the third unloading speed, and the air source (4) provides a third air compensation amount for the air chamber;
wherein the first speed is less than the second speed and less than the third speed, the first unloading speed is greater than the second unloading speed and greater than the third unloading speed, and the first gas compensation amount is less than the second gas compensation amount and less than the third gas compensation amount.
3. An impact beam energy absorption system according to claim 2, wherein said first velocity V1 satisfies: v1 is less than or equal to 30km/h, and the second speed V2 meets the following conditions: v2 is more than 30km/h and less than or equal to 60km/h, and the third speed V3 meets the following requirements: v3 is more than 60km/h.
4. An impact beam energy absorption system according to claim 1, wherein said energy absorption structure (2) is provided between said impact beam (1) and each of said longitudinal beams (3).
5. An impact beam energy absorption system according to claim 4, further comprising a radar device electrically connected to the controller (7) and configured to detect an obstacle in front of the vehicle to predict a collision position, wherein the controller (7) adjusts the unloading valve (5) and the gas compensation amount of the energy absorption structure (2) at corresponding positions according to the collision position.
6. An impact beam energy absorption system according to claim 1, wherein a control valve is arranged between the gas source (4) and the gas chamber, the control valve is electrically connected with the controller (7), and the controller (7) adjusts the gas compensation amount by controlling the valve opening of the control valve.
7. An impact beam energy absorption system according to claim 1 or 6, further comprising an air pump (8), wherein said air pump (8) is electrically connected to said controller (7), and said air pump (8) is configured to drive air from said air source (4) to said air chamber.
8. An impact beam energy absorption system according to claim 1, wherein the energy absorption structure (2) is a rubber bag or a silicone bag, and the air source (4) is an air tank.
9. An impact beam energy absorption system according to claim 1, characterized in that said vehicle speed sensor (6) comprises a speed sensor and/or an acceleration sensor.
10. A vehicle comprising the impact beam energy absorption system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129425.5U CN217864011U (en) | 2022-08-12 | 2022-08-12 | A vehicle that is used for crashproof roof beam energy-absorbing system of vehicle and has it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129425.5U CN217864011U (en) | 2022-08-12 | 2022-08-12 | A vehicle that is used for crashproof roof beam energy-absorbing system of vehicle and has it |
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| Publication Number | Publication Date |
|---|---|
| CN217864011U true CN217864011U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222129425.5U Active CN217864011U (en) | 2022-08-12 | 2022-08-12 | A vehicle that is used for crashproof roof beam energy-absorbing system of vehicle and has it |
Country Status (1)
| Country | Link |
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| CN (1) | CN217864011U (en) |
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2022
- 2022-08-12 CN CN202222129425.5U patent/CN217864011U/en active Active
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