CN107640114A - A kind of vehicle intelligent collision auxiliary endergonic structure and its application method - Google Patents
A kind of vehicle intelligent collision auxiliary endergonic structure and its application method Download PDFInfo
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- CN107640114A CN107640114A CN201711033169.7A CN201711033169A CN107640114A CN 107640114 A CN107640114 A CN 107640114A CN 201711033169 A CN201711033169 A CN 201711033169A CN 107640114 A CN107640114 A CN 107640114A
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- damper
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- endergonic structure
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Abstract
Disclosed by the invention is a kind of vehicle intelligent collision auxiliary endergonic structure, it is included in the radar set on car body, processor, damper and energy-absorption box, radar is used to measure the distance between obstacle, damper is connected by a connecting plate with the energy-absorption box, damper, connecting plate and energy-absorption box form an endergonic structure, radar, damper are connected setting with processor phase control respectively, while invention further discloses the application method that a kind of vehicle intelligent collides auxiliary endergonic structure.The present invention can be directed to the crash acceleration of change and change the region rigidity of endergonic structure, so as to adapt to the change of the waveform of acceleration, largely absorb energy, reduce the acceleration of car body, and then it is dangerous to reduce occupant injury.
Description
Technical field
The present invention relates to the manufacturing field of vehicle and its parts, more specifically a kind of vehicle intelligent touches
Hit auxiliary endergonic structure and its application method.
Background technology
At present, the comparison of the passive security research to passenger car is more both at home and abroad, touched before mainly including, side impact, offset collision,
Rear-end impact and pedestrian impact protection, and various regulations have been formulated, but the research to car is concentrated mainly on car anti-side and turned over
In terms of ability and top intensity, and the head-on crash research to car is relatively fewer.Car is when occurring head-on crash unlike multiplying
Collision energy can be absorbed by the deformation of bumper and enging cabin with car, reduce occupant and come to harm, car relies primarily on
Front wall deformation absorbs collision energy, due to being easily caused when front wall is close from driver chair and chair for tourist conductor, and head-on crash occurs to driving
The serious crimp in region, occupies driving space, and great threat is formed to driver and guide's life security.
Chinese patent Authorization Notice No. is：A kind of coach frontal collision breakdown contraction mechanism, the program are disclosed in CN 102398559B
A patent of invention filed in 18 days November in 2011 of the applicant, the technical scheme is mainly by collision prevention girders, energy-absorption box, energy-absorbing
Box guide plate, connecting seat, longitudinal beam and anticollision support beam group between collision prevention girders and connecting seat into being provided with energy-absorption box and suction
Energy box guide plate, while be provided with longeron in the top of collision prevention girders and strengthen box, pass through this rational topology layout and material thickness
Optimization realized when car central collision occurs crumple mechanism it is gradual deformation absorb collision energy, reduce the intrusion of driver area
Amount, makes vehicle body framework construction stress more reasonable, reduces the damage risk of driver and guide, improves the passive security of the vehicle
Property.
But by being found after substantial amounts of experiment test and actual production use, the technical scheme still suffers from very big use
Limitation, the technical scheme can only realize the effect of anticollision damping to the optimization of energy-absorption box position and structure, adapt to collision plus
Velocity wave form, energy-absorbing effect is limited, and lot of experiments and accident statistics are found, in the collision of car body front 100%, because energy-absorption box can not
Change rigidity in real time with acceleration change, cause car body acceleration too high, it is excessive to thereby result in occupant injury index, serious threat
Occupant's personal safety.So rigidity can be changed in real time with acceleration change by designing a kind of energy-absorption box, then can solve
Car body acceleration is too high and the problem of causing occupant injury index excessive.
The content of the invention
Disclosed by the invention is that a kind of vehicle intelligent collision auxiliary endergonic structure and its application method, its main purpose are
Overcome deficiencies of the prior art and shortcoming.
The technical solution adopted by the present invention is as follows：
A kind of vehicle intelligent collision auxiliary endergonic structure, is included in the radar set on car body, processor, damper and energy-absorbing
Box, the radar are used to measure the distance between obstacle, and the damper is connected by a connecting plate with the energy-absorption box, institute
State damper, connecting plate and energy-absorption box form an endergonic structure, the radar, damper respectively with the processor phase control
Connection is set, and the processor is used for the signal data for receiving, handling the radar, and controls the motion change of the damper.
Further, the acceleration of car body when the processor receives distance signal and the collision of radar collection, and obtain
The change curve data of crash acceleration, then the optimization acceleration change curve data with defaulting in processor contrasted
Judge, and output control signal makes the damper change its movement velocity in real time with certain fluctuating acceleration.
Further, the damper is any one in liquid condenser, gas damper or electromagnetic damper.
Further, the flexible endergonic structure of a guiding is further respectively had on the two side of the energy-absorption box.
A kind of application method of vehicle intelligent collision auxiliary endergonic structure, the application method include step in detail below,
Step 1：Trailer-mounted radar measures the acceleration with car body when the distance of obstacle and collision, and during by the measurement data information
When pass to vehicle-mounted processor；
Step 2：Processor receives radar measured data information, then pre-sets the crash acceleration data with processor
Optimization accelerating curve data be compared, according to comparison result produce driving damper move control signal；
Step 3：Damper is moved according to the control signal of processor, changes its motion in real time with the change of acceleration
Speed, so that the endergonic structure being made up of damper, connecting plate and energy-absorption box can change it in real time with the change of acceleration
Rigidity absorbs collision energy.
Further, change curve data and the change of optimization acceleration of the processor to crash acceleration in the step 2
Change curve data comparison processing, when crash acceleration is more than optimization acceleration, then the processor output increases damper speed
Spend the control signal of output；When the optimization acceleration that crash acceleration is less than, then the processor output reduces damper speed
Spend the control signal of output.
Further, the damper is any one in liquid condenser, gas damper or electromagnetic damper.
By the above-mentioned description of this invention, compared to the prior art, the advantage of the invention is that：
The present invention is by setting radar, processor, damper, connecting plate and energy-absorption box, by damper, connecting plate and energy-absorption box structure
Into endergonic structure can be directed to change crash acceleration and change the region rigidity of endergonic structure, so as to adapt to acceleration
Waveform changes, and largely absorbs energy, reduces the acceleration of car body, and then it is dangerous to reduce occupant injury.The present invention changes
Prior art increases the intrinsic design pattern of energy-absorbing effect by the position to energy-absorption box, structure design change, with dynamic
The mode of real-time change change the rigidity deformation of energy absorber, so as to reach energy-absorbing effect fully, reduce vehicle body and add
Speed, occupant is preferably protected, reduce damage.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
Illustrate with reference to the accompanying drawings further to illustrate the embodiment of the present invention.
As shown in figure 1, a kind of vehicle intelligent collision auxiliary endergonic structure, is included in radar 1, the processor set on car body
2nd, damper 3 and energy-absorption box 4, the radar 1 are used to measure the distance between obstacle, and the damper 3 passes through a connecting plate 5
It is connected with the energy-absorption box 4, the damper 3, connecting plate 5 and energy-absorption box 4 form an endergonic structure, the radar 1, resistance
Buddhist nun's device 3 is connected setting with the phase control of processor 2 respectively, and the processor 2 is used for the signal data for receiving, handling the radar,
And control the motion change of the damper 3.
Further, the acceleration of car body, is touched when the processor 2 receives distance signal and the collision of radar collection
The change curve data of acceleration are hit, then the optimization acceleration change curve data with defaulting in processor carries out contrast and sentenced
It is disconnected, and output control signal makes the damper 3 change its movement velocity in real time with certain fluctuating acceleration, so as to realize and preset
Accelerating curve matches, and whole endergonic structure is realized preferable energy-absorbing effect with certain variation rigidity.
Further, the damper 3 is any one in liquid condenser, gas damper or electromagnetic damper
Kind.
Further, the flexible endergonic structure 41 of a guiding is further respectively had on the two side of the energy-absorption box 4.
A kind of application method of vehicle intelligent collision auxiliary endergonic structure, the application method include step in detail below,
Step 1：Trailer-mounted radar measures the acceleration with car body when the distance of obstacle and collision, and by the measurement data information
Constantly pass to vehicle-mounted processor；
Step 2：Processor receives radar measured data information, obtains measurement distance（Before collision）And car body during collision accelerates
Degrees of data, then the crash acceleration data are compared with the optimization accelerating curve data that processor is pre-set, root
The control signal of driving damper motion is produced according to comparison result；
Step 3：Damper is moved according to the control signal of processor, changes its motion in real time with the change of acceleration
Speed, so that the endergonic structure being made up of damper, connecting plate and energy-absorption box can change it in real time with the change of acceleration
Rigidity absorbs collision energy.
Further, change curve data and the change of optimization acceleration of the processor to crash acceleration in the step 2
Change curve data comparison processing, when crash acceleration is more than optimization acceleration, then the processor output increases damper speed
Spend the control signal of output；When the optimization acceleration that crash acceleration is less than, then the processor output reduces damper speed
Spend the control signal of output.
Further, the damper is any one in liquid condenser, gas damper or electromagnetic damper.
The present invention is by setting radar, processor, damper, connecting plate and energy-absorption box, by damper, connecting plate and energy-absorbing
The endergonic structure that box is formed can be directed to the crash acceleration of change and change the region rigidity of endergonic structure, so as to adapt to accelerate
The waveform change of degree, largely absorbs energy, reduces the acceleration of car body, and then it is dangerous to reduce occupant injury.The present invention
Prior art is changed by the position to energy-absorption box, structure design change to increase the intrinsic design pattern of energy-absorbing effect, with
The mode of dynamic real-time change changes the rigidity deformation of energy absorber, so as to reach energy-absorbing effect fully, reduces car
Body acceleration, occupant is preferably protected, reduce damage.
The embodiment of the present invention is above are only, but the design concept of the present invention is not limited merely to this, every profit
The present invention is improved with carrying out unsubstantiality with this design, should belong to the behavior for invading the scope of the present invention.
Claims (7)
- A kind of 1. vehicle intelligent collision auxiliary endergonic structure, it is characterised in that：Be included in the radar set on car body, processor, Damper and energy-absorption box, the radar the distance between are used to measure with obstacle, the damper by a connecting plate with it is described Energy-absorption box is connected, and the damper, connecting plate and energy-absorption box form an endergonic structure, the radar, damper respectively with The processor phase control connection is set, and the processor is used for the signal data for receiving, handling the radar, and controls the damping The motion change of device.
- A kind of 2. vehicle intelligent collision auxiliary endergonic structure according to claim 1, it is characterised in that：The processor connects The acceleration of car body when receiving distance signal and the collision of radar collection, and the change curve data of crash acceleration are obtained, then Optimization acceleration change curve data with defaulting in processor carries out contrast judgement, and output control signal makes the damper Its movement velocity is changed with certain fluctuating acceleration in real time.
- A kind of 3. vehicle intelligent collision auxiliary endergonic structure according to claim 1, it is characterised in that：The damper is Any one in liquid condenser, gas damper or electromagnetic damper.
- A kind of 4. vehicle intelligent collision auxiliary endergonic structure according to claim 1, it is characterised in that：The energy-absorption box The flexible endergonic structure of a guiding is further respectively had on two side.
- A kind of 5. application method of vehicle intelligent collision auxiliary endergonic structure, it is characterised in that：The application method includes following Specific steps,Step 1：Trailer-mounted radar measures the acceleration with car body when the distance of obstacle and collision, and during by the measurement data information When pass to vehicle-mounted processor；Step 2：Processor receives radar measured data information, then pre-sets the crash acceleration data with processor Optimization accelerating curve data be compared, according to comparison result produce driving damper move control signal；Step 3：Damper is moved according to the control signal of processor, changes its motion in real time with the change of acceleration Speed, so that the endergonic structure being made up of damper, connecting plate and energy-absorption box can change it in real time with the change of acceleration Rigidity absorbs collision energy.
- A kind of 6. application method of vehicle intelligent collision auxiliary endergonic structure according to claim 5, it is characterised in that：Institute Processor in step 2 is stated to handle the change curve data and the change curve comparing of optimization acceleration of crash acceleration, When crash acceleration is more than optimization acceleration, then the processor output increases the control signal of damper velocity output；When The optimization acceleration that crash acceleration is less than, then the processor output reduce the control signal of damper velocity output.
- A kind of 7. application method of vehicle intelligent collision auxiliary endergonic structure according to claim 5, it is characterised in that：Institute Damper is stated as any one in liquid condenser, gas damper or electromagnetic damper.
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| CN201711033169.7A CN107640114A (en) | 2017-10-30 | 2017-10-30 | A kind of vehicle intelligent collision auxiliary endergonic structure and its application method |
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| CN201711033169.7A CN107640114A (en) | 2017-10-30 | 2017-10-30 | A kind of vehicle intelligent collision auxiliary endergonic structure and its application method |
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Cited By (2)
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| CN109249880A (en) * | 2018-08-31 | 2019-01-22 | 上汽通用汽车有限公司 | Car crass energy-absorbing control device, method, storage medium and electronic equipment |
| CN115366940A (en) * | 2022-08-29 | 2022-11-22 | 中南大学 | Train with self-adaptive crashworthiness protection device |
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| JP2005214242A (en) * | 2004-01-28 | 2005-08-11 | Kaneka Corp | Vehicular energy absorber and vehicular collision energy absorption structure using the same |
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| CN115366940A (en) * | 2022-08-29 | 2022-11-22 | 中南大学 | Train with self-adaptive crashworthiness protection device |
| CN115366940B (en) * | 2022-08-29 | 2023-09-26 | 中南大学 | Train with self-adaptive crashworthiness protection device |
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