CN108725155A - A kind of arrangements for automotive doors side impact energy-absorbing plate - Google Patents
A kind of arrangements for automotive doors side impact energy-absorbing plate Download PDFInfo
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- CN108725155A CN108725155A CN201810731647.XA CN201810731647A CN108725155A CN 108725155 A CN108725155 A CN 108725155A CN 201810731647 A CN201810731647 A CN 201810731647A CN 108725155 A CN108725155 A CN 108725155A
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- 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
- B60J5/042—Reinforcement elements
- B60J5/0456—Behaviour during impact
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Mechanical Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Vibration Dampers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention provides a kind of arrangements for automotive doors side impact energy-absorbing plate, it is related to automobile technical field, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer layer plate, at least one layer of carbon fibre web is equipped in the elastic protection layer, the thickness of the elastic protection layer is 2-5mm, the thickness of hexagon energy-absorbing grid is 10-20mm, the thickness of outer layer plate is 3-6mm, sticking on the inside of the elastic protection layer has sponge cushion, the thickness of the sponge cushion is 5-8mm, when side impact occurs, the body of driver and passenger can be protected, the compressing for preventing car door from invaginating, it is verified by simulated experiment, the vehicle of side impact energy-absorbing plate of the present invention is installed additional, the 46.21% of impact kinetic energy can be absorbed when side collision occurs, the effective protection personal safety of driver and passenger.
Description
Technical field
The present invention relates to automobile technical fields, and in particular to a kind of arrangements for automotive doors side impact energy-absorbing plate.
Background technology
An important tool of the automobile as modernized society's development and progress has become our this world high speeds and sends out
Open up indispensable Fundamentals.The safety problem that can not be ignored is brought to us again while auto industry high speed development.
Since China's urban transportation is mostly based on grade crossing, side impact events odds is very high.It is shown according to investigation,
Head-on crash accounts for 59%, and side accident accounts for 27% in the collision accident that China occurs within 2007.Although side accident is less than just
Face is collided, but according to investigation and research in all types of death by accidents, the death rate of side impact is up to 44%, occupies the
One, in all traffic casualties, also it is only second to occupy second as caused by head-on crash as caused by the accident of side.
Arrangements for automotive doors and car body are not integral structures, in sideways collisions, car door be impacted caused by energy do not have
Method is disperseed to absorb by car body well, so when arrangements for automotive doors receives shock, the harm often resulted in is very big, in addition, driving
Personnel are often positioned on the inside of car door, when arrangements for automotive doors is impacted recess, often squeeze driver and passenger's body, cause to drive people
Member's internal organ or trunk are injured, personal injury can be seriously caused, currently, also having certain solution, as long as such as automobile
Side door is all using the unimach of big thickness, and entire vehicle body side structure is reinforced, and optimizing welding process can also be in side
Collision accident plays the purpose of protection driver and passenger when occurring, but does so that cost is just too high, and general economy car is basic
It cannot withstand.Only those advanced luxurious cars, in order to disregard cost safely, and the technique welded also is wanted advanced and is obtained
It is more.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of arrangements for automotive doors side impact energy-absorbing plates.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of arrangements for automotive doors side impact energy-absorbing plate, which is characterized in that inhaled including elastic protection layer, hexagon from inside to outside
Energy grid and outer layer plate, the elastic protection layer is interior to be equipped at least one layer of carbon fibre web, the thickness of the elastic protection layer
Thickness for 2-5mm, hexagon energy-absorbing grid is 10-20mm, and the thickness of outer layer plate is 3-6mm.
Further, sticking on the inside of the elastic protection layer has sponge cushion, and the thickness of the sponge cushion is 5-
8mm。
Further, the elastic protection layer by following parts by weight at being grouped as：50-80 parts of acrylic resin gathers
40-50 parts of vinyl, 15-20 parts of ethylene propylene diene rubber, 5-10 parts of 20-30mm carbon fibers, 5-10 parts of 5-10mm carbon fibers, again
10-20 parts of matter calcium carbonate, 1-5 parts of alkyl phenol ether carboxylate WNWS-1,1-5 parts of improved polyalkene, 1-5 parts of remaining auxiliary agent.
Acrylic resin, polyvinyl resin, ethylene propylene diene rubber are kneaded in elastic protection layer, the heavy carbonic acid added
Calcium, 20-30mm carbon fibers, 5-10mm carbon fibers can play the purpose for improving impact flexibility and (reach 596-684J at room temperature
m-1), hexagon energy-absorbing grid, outer layer plate, the car door of recess can be stopped when hitting.
Improved polyalkene can be Dow VLDPE GERS-1088 NT, VLDPE DFDB-1085 NT, VLDPE
Any one in DFDB-1088 NT, VLDPE DFDA-1085 NT, preferably VLDPE GERS-1088 NT.
Five peaceful development in science and technology Co., Ltd of alkyl phenol ether carboxylate WNWS-1 producers Anhui.
Further, the mesh number of the powdered whiting is 1250 mesh.
Further, the production method of the elastic protection layer includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 40-50 DEG C of activation process 20-30min pull out, and drying is for use, then by heavy carbonic acid
Calcium is added, and 70-80 DEG C of activation process 50-80min is pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 120-150r/min mixing 30min, directly
It connects and is added to mixing granulator in double screw extruder, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains
Finished product.
Further, the production method of the hexagon energy-absorbing grid is：Packing material after melting is injected into hollow
In honeycomb aluminum, after hollow honeycomb aluminium hole is filled, it is put into 30-35 DEG C of baking oven and cures 15-20h, cut into hexagon net
Lattice structure.
Further, the packing material by following parts by weight at being grouped as：40-60 parts of polyurethane elastomer, second
Third 20-30 parts of rubber elastomer, 5-15 parts of carbon nano-fiber, increases 10-15 parts of acrylnitrile-butadiene-styrene copolymer
Hold 1-5 parts of agent.
Further, the preparation method of the packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, third
Alkene nitrile-butadiene-styrene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, 400r/
It is added in double screw extruder after min mixing 5-10min, bulking agent is added, adjustment double screw extruder rotating speed is 150-
160r/min, temperature are 170-180 DEG C, are squeezed out after melting mixing 8-10min, cooling granulation, you can obtain the packing material.
Further, the bulking agent is at least one of SBS-g-MAH, ABS-g-MAH, PE-g-MAH.
Further, the outer layer plate includes the element composition of following weight percent：C1.5-3.2%, V 4.5-
11.5%, Mn 11-14%, Cr 2.4-4.5%, Si 0.3-0.8%, Zr 0.05-0.12%, P≤0.01%, S≤
0.01%, remaining is iron.
(3) advantageous effect
The present invention provides a kind of arrangements for automotive doors side impact energy-absorbing plates, have the advantages that：
Side impact energy-absorbing plate of the present invention is arranged inside arrangements for automotive doors, and outer layer plate hardness is moderate, and density is small, elongation percentage
Height has good elastic property, will not be torn when being hit, and plays first class of protection, gathers inside side impact energy-absorbing plate
Hexagon energy-absorbing grid, sound construction are stablized, and the energy-absorbing that can invaginate in collision still again will not be whole defeated and dispersed, can subsequently delay
Speed rebound, protects the personal safety of driver and passenger, sponge cushion can when side impact occurs close to driver and passenger side
To protect the body of driver and passenger, the compressing for preventing car door from invaginating is verified by simulated experiment, has been installed side impact of the present invention additional and has been inhaled
Can plate vehicle, the 46.21% of impact kinetic energy can be absorbed when side collision occurs, the effective protection person of driver and passenger
Safety.
Description of the drawings
Fig. 1 is the structural schematic diagram of side impact energy-absorbing plate of the present invention；
Fig. 2 is that the automobile side of unequipped side impact energy-absorbing plate of the present invention emulates collision model；
Fig. 3 is the automobile side emulation collision model for equipping side impact energy-absorbing plate of the present invention；
Fig. 4 is that (what is be located above in table is unequipped side impact energy-absorbing of the present invention to simulated experiment rate curve comparing result
Speed changes over time curve when the car crass of plate, and underlying in table is the automobile for equipping side impact energy-absorbing plate of the present invention
Speed at time of impact changes over time curve).
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Embodiment 1：
A kind of arrangements for automotive doors side impact energy-absorbing plate, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer
Layer steel plate, the elastic protection layer is interior to be equipped at least one layer of carbon fibre web, and sticking on the inside of the elastic protection layer has sponge
The thickness of cushion, the sponge cushion is 6mm, and the thickness of the elastic protection layer is 3mm, and the thickness of hexagon energy-absorbing grid is
The thickness of 15mm, outer layer plate are 5mm.
Elastic protection layer is by following parts by weight at being grouped as：55 parts of acrylic resin, 43 parts of polyvinyl resin, ternary
18 parts of EP rubbers, 6 parts of 20-30mm carbon fibers, 8 parts of 5-10mm carbon fibers, 15 parts of 1250 mesh powdered whiting, alkyl phenol ether carboxylic
2 parts of hydrochlorate WNWS-1,2 parts of improved polyalkene, 3 parts of remaining auxiliary agent.
Production method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 45 DEG C of activation process 25min are pulled out, and drying is for use, then powdered whiting is added
Enter, 78 DEG C of activation process 60min are pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 140r/min mixing 30min, are directly added
Enter into double screw extruder mixing granulator, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains into
Product.
The production method of honeycomb grid structure is：Packing material after melting is injected into hollow honeycomb aluminium, hollow bee
After nest aluminium hole is filled, it is put into solidification 16h in 32 DEG C of baking oven.
Packing material is by following parts by weight at being grouped as：50 parts of polyurethane elastomer, 26 parts of EP rubbers elastomer,
13 parts of acrylnitrile-butadiene-styrene copolymer, 8 parts of carbon nano-fiber, 2 parts of bulking agent SBS-g-MAH.
The preparation method of packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylonitrile-butadiene-benzene
Ethylene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, after 400r/min mixing 8min
It is added in double screw extruder, bulking agent is added, adjustment double screw extruder rotating speed is 155r/min, and temperature is 175 DEG C, is melted
Melt and is squeezed out after being kneaded 9min, cooling granulation, you can obtain the packing material.
The outer layer plate includes the element composition of following weight percent：C 1.8%, V 8.5%, Mn 12.3%, Cr
2.6%, Si 0.44%, Zr 0.08%, P≤0.01%, S≤0.01%, remaining is iron.
Embodiment 2：
A kind of arrangements for automotive doors side impact energy-absorbing plate, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer
Layer steel plate is equipped with 2 layers of carbon fibre web in the elastic protection layer, and sticking on the inside of the elastic protection layer has sponge cushion,
The thickness of the sponge cushion is 5mm, and the thickness of the elastic protection layer is 2mm, and the thickness of hexagon energy-absorbing grid is 10mm,
The thickness of outer layer plate is 3mm.
Elastic protection layer is by following parts by weight at being grouped as：50 parts of acrylic resin, 40 parts of polyvinyl resin, ternary
15 parts of EP rubbers, 5 parts of 20-30mm carbon fibers, 5 parts of 5-10mm carbon fibers, 10 parts of 1250 mesh powdered whiting, alkyl phenol ether carboxylic
1 part of hydrochlorate WNWS-1,1 part of improved polyalkene, 1 part of remaining auxiliary agent.
Production method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 40 DEG C of activation process 20min are pulled out, and drying is for use, then powdered whiting is added
Enter, 70 DEG C of activation process 50min are pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 120r/min mixing 30min, are directly added
Enter into double screw extruder mixing granulator, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains into
Product.
The production method of honeycomb grid structure is：Packing material after melting is injected into hollow honeycomb aluminium, hollow bee
After nest aluminium hole is filled, it is put into solidification 15h in 30 DEG C of baking oven.
Packing material is by following parts by weight at being grouped as：40 parts of polyurethane elastomer, 20 parts of EP rubbers elastomer,
10 parts of acrylnitrile-butadiene-styrene copolymer, 5 parts of carbon nano-fiber, 1 part of bulking agent ABS-g-MAH.
The preparation method of packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylonitrile-butadiene-benzene
Ethylene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, after 400r/min mixing 5min
It is added in double screw extruder, bulking agent is added, adjustment double screw extruder rotating speed is 150r/min, and temperature is 170 DEG C, is melted
Melt and is squeezed out after being kneaded 8min, cooling granulation, you can obtain the packing material.
The outer layer plate includes the element composition of following weight percent：C 1.5%, V 4.5%, Mn 11%, Cr
2.4%, Si 0.3%, Zr 0.05%, P≤0.01%, S≤0.01%, remaining is iron.
Embodiment 3：
A kind of arrangements for automotive doors side impact energy-absorbing plate, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer
Layer steel plate, sets the carbon fibre web to have three layers in the elastic protection layer, and sticking on the inside of the elastic protection layer has sponge cushion,
The thickness of the sponge cushion is 8mm, and the thickness of the elastic protection layer is 5mm, and the thickness of hexagon energy-absorbing grid is 20mm,
The thickness of outer layer plate is 6mm.
Elastic protection layer is by following parts by weight at being grouped as：80 parts of acrylic resin, 50 parts of polyvinyl resin, ternary
20 parts of EP rubbers, 10 parts of 20-30mm carbon fibers, 10 parts of 5-10mm carbon fibers, 20 parts of 1250 mesh powdered whiting, alkyl phenol ether
5 parts of carboxylate WNWS-1,5 parts of improved polyalkene, 5 parts of remaining auxiliary agent.
Production method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 50 DEG C of activation process 30min are pulled out, and drying is for use, then powdered whiting is added
Enter, 80 DEG C of activation process 80min are pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 150r/min mixing 30min, are directly added
Enter into double screw extruder mixing granulator, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains into
Product.
The production method of honeycomb grid structure is：Packing material after melting is injected into hollow honeycomb aluminium, hollow bee
After nest aluminium hole is filled, it is put into solidification 20h in 35 DEG C of baking oven.
Packing material is by following parts by weight at being grouped as：60 parts of polyurethane elastomer, 30 parts of EP rubbers elastomer,
15 parts of acrylnitrile-butadiene-styrene copolymer, 15 parts of carbon nano-fiber, PE-g-MAH5 parts of bulking agent.
The preparation method of packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylonitrile-butadiene-benzene
Ethylene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, after 400r/min mixing 10min
It is added in double screw extruder, bulking agent PE-g-MAH is added, adjustment double screw extruder rotating speed is 160r/min, and temperature is
It 180 DEG C, squeezes out after melting mixing 10min, cooling granulation, you can obtain the packing material.
The outer layer plate includes the element composition of following weight percent：C 3.2%, V 11.5%, Mn 14%, Cr
4.5%, Si 0.8, Zr 0.12%, P≤0.01%, S≤0.01%, remaining is iron.
Embodiment 4：
A kind of arrangements for automotive doors side impact energy-absorbing plate, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer
Layer steel plate is equipped with 1 layer of carbon fibre web in the elastic protection layer, and sticking on the inside of the elastic protection layer has sponge cushion,
The thickness of the sponge cushion is 8mm, and the thickness of the elastic protection layer is 4mm, and the thickness of hexagon energy-absorbing grid is 16mm,
The thickness of outer layer plate is 3mm.
Elastic protection layer is by following parts by weight at being grouped as：60 parts of acrylic resin, 50 parts of polyvinyl resin, ternary
16 parts of EP rubbers, 6 parts of 20-30mm carbon fibers, 6 parts of 5-10mm carbon fibers, 12 parts of 1250 mesh powdered whiting, alkyl phenol ether carboxylic
4 parts of hydrochlorate WNWS-1,4 parts of improved polyalkene, 2 parts of remaining auxiliary agent.
Production method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 46 DEG C of activation process 25min are pulled out, and drying is for use, then powdered whiting is added
Enter, 75 DEG C of activation process 70min are pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 140r/min mixing 30min, are directly added
Enter into double screw extruder mixing granulator, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains into
Product.
The production method of honeycomb grid structure is：Packing material after melting is injected into hollow honeycomb aluminium, hollow bee
After nest aluminium hole is filled, it is put into solidification 15h in 35 DEG C of baking oven.
Packing material is by following parts by weight at being grouped as：44 parts of polyurethane elastomer, 26 parts of EP rubbers elastomer,
11 parts of acrylnitrile-butadiene-styrene copolymer, 6 parts of carbon nano-fiber, SBS-g-MAH2 parts of bulking agent.
The preparation method of packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylonitrile-butadiene-benzene
Ethylene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, after 400r/min mixing 6min
It is added in double screw extruder, bulking agent SBS-g-MAH is added, adjustment double screw extruder rotating speed is 160r/min, temperature
It is 180 DEG C, is squeezed out after melting mixing 10min, cooling granulation, you can obtain the packing material.
The outer layer plate includes the element composition of following weight percent：C 2.5%, V 6.3%, Mn 11.5%, Cr
3.3%, Si 0.35%, Zr 0.12%, P≤0.01%, S≤0.01%, remaining is iron.
Embodiment 5：
A kind of arrangements for automotive doors side impact energy-absorbing plate, including elastic protection layer from inside to outside, hexagon energy-absorbing grid and outer
Layer steel plate is equipped with 2 layers of carbon fibre web in the elastic protection layer, and sticking on the inside of the elastic protection layer has sponge cushion,
The thickness of the sponge cushion is 6mm, and the thickness of the elastic protection layer is 4mm, and the thickness of hexagon energy-absorbing grid is 12mm,
The thickness of outer layer plate is 5mm.
Elastic protection layer is by following parts by weight at being grouped as：65 parts of acrylic resin, 45 parts of polyvinyl resin, ternary
20 parts of EP rubbers, 5 parts of 20-30mm carbon fibers, 10 parts of 5-10mm carbon fibers, 10 parts of 1250 mesh powdered whiting, alkyl phenol ether
5 parts of carboxylate WNWS-1,5 parts of improved polyalkene, 1 part of remaining auxiliary agent.
Production method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-
30mm carbon fibers, 5-10mm carbon fibers are added, and 50 DEG C of activation process 20min are pulled out, and drying is for use, then powdered whiting is added
Enter, 80 DEG C of activation process 60min are pulled out, and drying is for use；
(2) by the 20- after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
30mm carbon fibers, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, 140r/min mixing 30min, are directly added
Enter into double screw extruder mixing granulator, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains into
Product.
The production method of honeycomb grid structure is：Packing material after melting is injected into hollow honeycomb aluminium, hollow bee
After nest aluminium hole is filled, it is put into solidification 16h in 32 DEG C of baking oven.
Packing material is by following parts by weight at being grouped as：55 parts of polyurethane elastomer, 30 parts of EP rubbers elastomer,
14 parts of acrylnitrile-butadiene-styrene copolymer, 8 parts of carbon nano-fiber, 1 part of bulking agent PE-g-MAH.
The preparation method of packing material is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylonitrile-butadiene-benzene
Ethylene block copolymer drying water removal, is added in high-speed mixer and adds carbon nano-fiber, after 400r/min mixing 7min
It is added in double screw extruder, bulking agent PE-g-MAH is added, adjustment double screw extruder rotating speed is 150r/min, and temperature is
It 180 DEG C, squeezes out after melting mixing 10min, cooling granulation, you can obtain the packing material.
The outer layer plate includes the element composition of following weight percent：C 5%, V 8.4%, Mn 12.6%, Cr
2.5%, Si 0.3%, Zr 0.06%, P≤0.01%, S≤0.01%, remaining is iron.
Experiment 1：
Static compress experiment, experiment knot are carried out to hexagon energy-absorbing grid (embodiment 1), packing material, hollow honeycomb aluminium
Fruit is (being all to be compressed to 10KN stoppings) as shown in table 1 below：
Table 1：
Merely on the car body using polyurethane elastomer as the application of energy-absorbing original paper, the work of energy-absorbing buffering can be played really
With, but its bulk modulus is poor, transversely deforming is larger, and car crass direction has uncertainty, is easy that automobile is made to touch
It hits rear rebound direction not knowing, greatly increases the risk that traffic accident occurs；Deformation-recovery rate is higher so that automobile is contacting
It is sprung out again with certain speed after buffer unit, the secondary damage of automobile is be easy to cause, therefore, if merely with poly- ammonia
The side impact energy absorbing members that ester makees arrangements for automotive doors just have many limitations.
Using polyurethane elastomer as packing material main body, blending and modifying is carried out to it, and adds carbon nano-fiber work
For toughening material, manufactured hexagon energy-absorbing network in hollow honeycomb aluminium is injected, improves the volume of simple polyurethane not
Compressibility reduces denaturation response rate, prevents secondary rebound injury caused by pedestrian or automobile.
Experiment 2：
The method calculated using multi-rigid body and Coupled with Finite Element, using MADYMO softwares respectively to being equipped with side impact of the present invention
Collision characteristic of the automobile of energy-absorbing plate and unequipped side impact energy-absorbing plate during side emulates collision (50km/h) carries out
Simulate comparative analysis.
Fig. 2 is that the automobile side of unequipped side impact energy-absorbing plate of the present invention emulates collision model；
Fig. 3 is the automobile side emulation collision model for equipping side impact energy-absorbing plate (embodiment 1) of the present invention；
Simulated experiment rate curve comparing result is as shown in figure 4, interpretation of result：Equipment side impact energy-absorbing plate of the present invention is (real
Apply example 1) automobile side emulation impact velocity change curve it is gentler, from touching in separation process, by initial
13.8m/s decelerates to 0m/s, the time increasing compared with the automobile side of unequipped side impact energy-absorbing plate of the present invention emulation collision model
74ms (extend collision time, reduce the momentum of collision) is added, absorbs the 46.21% of impact kinetic energy, effective protection is driven
Multiply the personal safety of personnel.
Every mechanical property of 1-5 outer layer plates of the embodiment of the present invention is as shown in table 2 below：
Table 2：
The hardness of outer layer plate is moderate in the present invention, and density is small, and elongation percentage is high, has good elastic property.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of arrangements for automotive doors side impact energy-absorbing plate, which is characterized in that including elastic protection layer, hexagon energy-absorbing from inside to outside
Grid and outer layer plate, the elastic protection layer is interior to be equipped at least one layer of carbon fibre web, and the thickness of the elastic protection layer is
The thickness of 2-5mm, hexagon energy-absorbing grid are 10-20mm, and the thickness of outer layer plate is 3-6mm.
2. arrangements for automotive doors side impact energy-absorbing plate as described in claim 1, which is characterized in that the inside of the elastic protection layer is glutinous
With sponge cushion, the thickness of the sponge cushion is 5-8mm.
3. arrangements for automotive doors side impact energy-absorbing plate as described in claim 1, which is characterized in that the elastic protection layer is by following heavy
Amount number at being grouped as：50-80 parts of acrylic resin, 40-50 parts of polyvinyl resin, 15-20 parts of ethylene propylene diene rubber, 20-
5-10 parts of 30mm carbon fibers, 5-10 parts of 5-10mm carbon fibers, 10-20 parts of powdered whiting, alkyl phenol ether carboxylate WNWS-11-5
Part, 1-5 parts of improved polyalkene, 1-5 parts of remaining auxiliary agent.
4. arrangements for automotive doors side impact energy-absorbing plate as claimed in claim 3, which is characterized in that the mesh number of the powdered whiting is
1250 mesh.
5. arrangements for automotive doors side impact energy-absorbing plate as claimed in claim 3, which is characterized in that the making side of the elastic protection layer
Method includes the following steps：
(1) by alkyl phenol ether carboxylate WNWS-1, improved polyalkene, water by weight 1:1:20 after mixing, by 20-30mm
Carbon fiber, 5-10mm carbon fibers are added, and 40-50 DEG C of activation process 20-30min is pulled out, and drying is for use, then powdered whiting is added
Enter, 70-80 DEG C of activation process 50-80min is pulled out, and drying is for use；
(2) by the 20-30mm carbon after acrylic resin, polyvinyl resin, ethylene propylene diene rubber, remaining auxiliary agent and activation process
Fiber, 5-10mm carbon fibers, powdered whiting are added in high-speed mixer, and 120-150r/min mixing 30min are directly added into
To mixing granulator in double screw extruder, temperature is 200 DEG C, and screw speed 180r/min is molded after drying, obtains finished product.
6. arrangements for automotive doors side impact energy-absorbing plate as described in claim 1, which is characterized in that the system of the hexagon energy-absorbing grid
It is as method：Packing material after melting is injected into hollow honeycomb aluminium, after hollow honeycomb aluminium hole is filled, is put into 30-
Cure 15-20h in 35 DEG C of baking oven.
7. arrangements for automotive doors side impact energy-absorbing plate as claimed in claim 6, which is characterized in that the packing material is by following weight
Number at being grouped as：40-60 parts of polyurethane elastomer, 20-30 parts of EP rubbers elastomer, acrylonitrile-butadiene-styrene (ABS)
10-15 parts of block copolymer, 5-15 parts of carbon nano-fiber, 1-5 parts of bulking agent.
8. arrangements for automotive doors side impact energy-absorbing plate as claimed in claim 7, which is characterized in that the preparation method of the packing material
It is as follows：By polyurethane elastomer, EP rubbers elastomer, acrylnitrile-butadiene-styrene copolymer drying water removal, add
Enter and add carbon nano-fiber into high-speed mixer, is added in double screw extruder, adds after 400r/min mixing 5-10min
Enter bulking agent, adjustment double screw extruder rotating speed is 150-160r/min, and temperature is 170-180 DEG C, after melting mixing 8-10min
It squeezes out, cooling granulation, you can obtain the packing material.
9. arrangements for automotive doors side impact energy-absorbing plate as claimed in claim 7, which is characterized in that the bulking agent be SBS-g-MAH,
At least one of ABS-g-MAH, PE-g-MAH.
10. arrangements for automotive doors side impact energy-absorbing plate as described in claim 1, which is characterized in that the outer layer plate includes following
The element of weight percent forms：C 1.5-3.2%, V 4.5-11.5%, Mn 11-14%, Cr 2.4-4.5%, Si 0.3-
0.8%, Zr 0.05-0.12%, P≤0.01%, S≤0.01%, remaining is iron.
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| CN201810731647.XA CN108725155A (en) | 2018-07-05 | 2018-07-05 | A kind of arrangements for automotive doors side impact energy-absorbing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810731647.XA CN108725155A (en) | 2018-07-05 | 2018-07-05 | A kind of arrangements for automotive doors side impact energy-absorbing plate |
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| CN108725155A true CN108725155A (en) | 2018-11-02 |
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| CN201810731647.XA Withdrawn CN108725155A (en) | 2018-07-05 | 2018-07-05 | A kind of arrangements for automotive doors side impact energy-absorbing plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472264A (en) * | 2020-04-07 | 2020-07-31 | 南京理工大学 | Combined anti-explosion protection device for bridge pier |
| WO2020168371A1 (en) * | 2019-02-21 | 2020-08-27 | Universitaet Für Bodenkultur Wien | Impact protection, in particular side impact protection for a vehicle door |
| CN112545559A (en) * | 2020-12-28 | 2021-03-26 | 常州市武进人民医院 | Flexible gasket for ultrasound department |
| CN112938880A (en) * | 2021-02-11 | 2021-06-11 | 常州市武进人民医院 | Accurate output medical metering container with shock pad |
| CN113264134A (en) * | 2021-07-02 | 2021-08-17 | 徐州彭友车辆科技有限公司 | Driving position protection device for electric tricycle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992737A (en) * | 2009-08-21 | 2011-03-30 | 贾伯芳 | Energy absorbing device for vehicle safety protection |
| DE102012210214A1 (en) * | 2012-06-18 | 2013-12-19 | Bayerische Motoren Werke Aktiengesellschaft | Structural component, particularly side impact absorber for door of motor vehicle, has pressure belt, pull cable and absorber element, where pressure belt and pull cable are formed of carbon fiber reinforced plastic |
| CN104109289A (en) * | 2014-08-05 | 2014-10-22 | 广州石头造环保科技有限公司 | High-filling injection molding material composition and preparation method thereof |
| CN204077580U (en) * | 2014-07-21 | 2015-01-07 | 江苏新天洋机械制造有限公司 | Ensure safety after automobile shell |
| WO2016156959A1 (en) * | 2015-03-31 | 2016-10-06 | Arcelormittal | Panel for vehicle comprising a coated steel sheet locally reinforced |
| JP2017119461A (en) * | 2015-12-28 | 2017-07-06 | ダイハツ工業株式会社 | Vehicle side door structure |
| WO2018101795A1 (en) * | 2016-12-02 | 2018-06-07 | 정대성 | Shock buffering device |
-
2018
- 2018-07-05 CN CN201810731647.XA patent/CN108725155A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992737A (en) * | 2009-08-21 | 2011-03-30 | 贾伯芳 | Energy absorbing device for vehicle safety protection |
| DE102012210214A1 (en) * | 2012-06-18 | 2013-12-19 | Bayerische Motoren Werke Aktiengesellschaft | Structural component, particularly side impact absorber for door of motor vehicle, has pressure belt, pull cable and absorber element, where pressure belt and pull cable are formed of carbon fiber reinforced plastic |
| CN204077580U (en) * | 2014-07-21 | 2015-01-07 | 江苏新天洋机械制造有限公司 | Ensure safety after automobile shell |
| CN104109289A (en) * | 2014-08-05 | 2014-10-22 | 广州石头造环保科技有限公司 | High-filling injection molding material composition and preparation method thereof |
| WO2016156959A1 (en) * | 2015-03-31 | 2016-10-06 | Arcelormittal | Panel for vehicle comprising a coated steel sheet locally reinforced |
| JP2017119461A (en) * | 2015-12-28 | 2017-07-06 | ダイハツ工業株式会社 | Vehicle side door structure |
| WO2018101795A1 (en) * | 2016-12-02 | 2018-06-07 | 정대성 | Shock buffering device |
Non-Patent Citations (1)
| Title |
|---|
| 宋玉环: "聚氨酯/蜂窝铝复合材料的压缩力学行为及缓冲吸能特性", 《工程科学学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020168371A1 (en) * | 2019-02-21 | 2020-08-27 | Universitaet Für Bodenkultur Wien | Impact protection, in particular side impact protection for a vehicle door |
| CN111472264A (en) * | 2020-04-07 | 2020-07-31 | 南京理工大学 | Combined anti-explosion protection device for bridge pier |
| CN112545559A (en) * | 2020-12-28 | 2021-03-26 | 常州市武进人民医院 | Flexible gasket for ultrasound department |
| CN112938880A (en) * | 2021-02-11 | 2021-06-11 | 常州市武进人民医院 | Accurate output medical metering container with shock pad |
| CN113264134A (en) * | 2021-07-02 | 2021-08-17 | 徐州彭友车辆科技有限公司 | Driving position protection device for electric tricycle |
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