CN206242971U - A kind of vehicle and its collision energy-absorbing control device - Google Patents
A kind of vehicle and its collision energy-absorbing control device Download PDFInfo
- Publication number
- CN206242971U CN206242971U CN201621262277.2U CN201621262277U CN206242971U CN 206242971 U CN206242971 U CN 206242971U CN 201621262277 U CN201621262277 U CN 201621262277U CN 206242971 U CN206242971 U CN 206242971U
- Authority
- CN
- China
- Prior art keywords
- information
- seat
- damper assembly
- flow liquid
- ecu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to a kind of vehicle and its collision energy-absorbing control device, the vehicle collision energy-absorbing control device includes seat body, damper assembly, elastic packing connecting elements, casing, collision information collecting unit, occupant information collecting unit, seat information acquisition unit and ECU, wherein：Damper assembly includes being fixedly connected in a vertical manner the damping sheet and damping hole of seat body bottom；The casing that enclosed inside has magnetic flow liquid is tightly connected by elastic packing connecting elements and damper assembly；Damper assembly is suspended in magnetic flow liquid and can be remained with the inner surface of casing and separate state；Collision information collecting unit is used for collection vehicle collision information；Occupant information collecting unit is used to gather occupant information；Seat information acquisition unit gathers seat information；ECU receives vehicle collision information, occupant information and seat information, and the current control amount for being applied to magnetic flow liquid is calculated according to each information of input, to control damping characteristic when magnetic flow liquid flows through damping hole.The utility model can constrain the displacement of seat when vehicle collides and preferably absorb collision energy, be conducive to protecting occupant and being improved crashworthiness.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of vehicle and its collision energy-absorbing control device.
Background technology
The safety issue of automobile is directly related with the life security of people, therefore receives much concern, for example：Safety chair seats of car
Security performance.The design of seat can only be directed at present preceding hit, a kind of crash type in side crash and rear-end collision, and not
There is effective energy absorption device to reduce the energy of collision.Prior art is hit under operating mode before preventing automobile using novel mechanical structures
Row constraint is entered in seat dive and reach, the position that similar device can be to occupant during collision, so as to serve
Relatively good protective action, but seat still lacks effective energy absorption device, and the energy of collision is still very big.At this stage can
Constrain the position of occupant and with energy-absorbing effect, and it is few to be directed to the general seat unit of different crash types.
On the other hand, the active control at present to seat concentrates on the comfortableness aspect for improving seat substantially, and in seat
The utility model and device that security aspect carries out active control are less, so if seat can be improved on the basis of active control
Chair security, it will make occupant be subject to more comprehensively protection.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art drawbacks described above at least one
It is individual.
Utility model content
The purpose of this utility model is to provide a kind of vehicle collision energy-absorbing control device to overcome or at least mitigate existing
At least one of drawbacks described above of technology.
To achieve the above object, the utility model provides a kind of vehicle collision energy-absorbing control device, and the vehicle collision is inhaled
Energy control device includes seat body, damper assembly, elastic packing connecting elements, casing, collision information collecting unit, Cheng Yuanxin
Breath collecting unit, seat information acquisition unit and ECU, wherein：The damper assembly includes being fixedly connected on institute in a vertical manner
State the damping sheet and the damping hole through the damping sheet of seat body bottom；Enclosed inside has the casing of magnetic flow liquid
It is tightly connected with the damper assembly by elastic packing connecting elements；The damper assembly be suspended in the magnetic flow liquid and
Can be remained with the inner surface of the casing and separate state；The collision information collecting unit is used for collection vehicle and collides letter
Breath；The occupant information collecting unit is used to gather occupant information；The seat information acquisition unit is used to gather the seat
Information；The ECU is used to receive the vehicle collision information, occupant information and the seat information, and according to each institute of input
State information and calculate the current control amount of the magnetic flow liquid of being applied to, during controlling the magnetic flow liquid to flow through the damping hole
Damping characteristic.
Further, the quantity of the damping sheet in the damper assembly is three pieces, is configured to intersect and mutually hangs down
Directly.
Further, the damper assembly also includes connecting plate, and the lower surface of the connecting plate connects each piece of damping
The top of plate, upper surface connects the seat body, and the elastic packing connecting elements is arranged outside the connecting plate.
Further, the elastic packing connecting elements is annular in shape, and inner ring is set in outside the damper assembly；The elasticity
Being tightly connected component has the circumferential slot being embedded in for the open top of the casing, to be tightly connected the casing and the damping
Component.
Further, the vehicle collision energy-absorbing control device also includes：Fixed magnetic pole plate, it is arranged on the casing
Four sides, each fixed magnetic pole plate is electrically connected with the ECU, and the current control amount of the ECU outputs is via the fixation
The magnetic flow liquid is applied to after pole plate, to control the magnetic flow liquid to flow through the damping characteristic of the damping hole.
Further, the vehicle collision energy-absorbing control device also includes：D and D/A converter, it is used to collide
When acceleration information, the relative displacement information between seat body and floor data signal and use are changed into by analog signal
In the current control amount that the ECU is exported is changed into analog signal by data signal, the analog signal is applied to the magnetic current
Become liquid.
Further, the vehicle collision energy-absorbing control device also includes：Current amplifier, it is connected electrically in the mould
Between number/digital analog converter and fixed magnetic pole plate, after the current control amount for the ECU to be exported is amplified, it is conveyed to described
Fixed magnetic pole plate.
Further, the vehicle collision energy-absorbing control device also includes：Signal amplifying and conditioning circuit, it is connected electrically in institute
State between the acceleration transducer of collision information collecting unit and the ECU and the displacement of the seat information acquisition unit is passed
Between sensor and the ECU, for the relative displacement information between the acceleration information that will be collected and seat body and floor
Be amplified, after rectification and filtering, then by being conveyed to the ECU after D and D/A converter treatment.
The utility model also provides a kind of vehicle, and the vehicle includes vehicle collision energy-absorbing control device as described above.
When vehicle collision accident occurs, the utility model can obtain vehicle collision letter using collision information collecting unit
Breath, such as：The information such as crash type (central collision, side impact and knock into the back) and crash severity, is obtained using occupant information collecting unit
Occupant information is taken, such as：The information such as the build and sitting posture of occupant, seat body is obtained for car using seat information acquisition unit
The velocity information on floor, and corresponding current control amount is given based on these information and corresponding control strategy, by changing
Varying magnetic field intensity, makes the magnetic-particle in magnetic flow liquid to change disorderly and unsystematic arrangement mode originally in magnetic field, be changed into according to
Certain direction ordered arrangement, changes the flow direction of magnetic flow liquid, controls the viscosity of magnetic flow liquid for appropriate value, changes chiasma type resistance
The complexity that Buddhist nun's plate is moved in magnetic rheological liquid, makes seat body produce acceptable displacement, constrains the position of human body, carries
Protection effect to occupant high.Further, since the generation of acceptable displacements, sticking magnetic flow liquid can produce flow at high speed,
It produces heat when flowing through the damping hole on damping sheet, and the process can significantly consume collision energy, mitigates the wound to human body
Evil, substantially increases the crashworthiness of automobile, reaches the effect for significantly improving crashworthiness.
Brief description of the drawings
Fig. 1 is the structural representation according to the preferred embodiment of vehicle collision energy-absorbing control device one provided by the utility model
Figure.
Fig. 2 is the structural representation of the seat in Fig. 1.
Fig. 3 is the structural representation of the elastic packing connector in Fig. 1.
Fig. 4 is the control flow chart of the vehicle collision energy-absorbing control device in Fig. 1.
Specific embodiment
In the accompanying drawings, same or similar element is represented or with same or like function using same or similar label
Element.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outward " are based on orientation shown in the drawings or position
Relation, is for only for ease of description the utility model and simplifies description, must rather than the device or element for indicating or imply meaning
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model protection domain
Limitation.
As shown in Figure 1 to Figure 3, the vehicle collision energy-absorbing control device that the present embodiment is provided includes seat body 1, damping
Component 2, elastic packing connecting elements 3, casing 4, collision information collecting unit 5, occupant information collecting unit 7, seat information are adopted
Collection unit 8 and ECU (Electronic Control Unit, vehicle-mounted computer) 9, wherein：
Damper assembly 2 includes damping sheet 21 and connecting plate 23, wherein, damping sheet 21 is fixedly connected on seat in a vertical manner
The bottom of body 1, also, it is covered with the damping hole 22 having through damping sheet 21 on damping sheet 21.The lower surface connection of connecting plate 23 is each
The top of block damping sheet 21, upper surface is fixedly connected seat body 1 by connector 11.
Elastic packing connecting elements 3 belongs to flexible member, and when its a direction produces vibration, it can play similar bullet
The effect of spring, buffer shock-absorbing is carried out to seat, and can limit seat being unlikely to excessive in the displacement of three-dimensional.
The bottom of casing 4 is fixedly connected on floor 12.The enclosed inside of casing 4 has magnetic flow liquid 6, and by elastic packing
Connecting elements 3 is tightly connected with damper assembly 2.Damper assembly 2 is placed in magnetic flow liquid 6, is connected using buoyancy and elastic packing
The pulling force of component 3 makes damper assembly suspend, and damper assembly 2 can be suspended in magnetic flow liquid 6, with the inner surface of casing 4 all the time
Remain and separate state.
Collision information collecting unit 5 is used for the actual collision information of collection vehicle, and the actual collision information of vehicle is mainly wrapped
Include two parts, a part is crash type (central collision, side impact and knock into the back), and another part is crash severity.
Preferably, collision information collecting unit 5 can use acceleration transducer, and acceleration transducer is for collection vehicle
Acceleration information during collision, the acceleration information includes direction and the size of acceleration.Acceleration transducer is arranged on vehicle body
Front portion, both sides and afterbody, the acceleration transducer of anterior and afterbody can detect the acceleration information in longitudinal direction of car, both sides
Acceleration transducer can detect acceleration information in lateral direction of car.Above-mentioned acceleration transducer can be the peace on vehicle
The sensor that full gas-bag system has in itself, without setting up in addition.
When vehicle crashes, the acceleration information of collision acceleration sensor collection is input to ECU9, by
ECU9 judges the actual collision information of vehicle according to acceleration information.The decision method of ECU9 can be said by examples below
It is bright：
When vehicle frontal collision hits generation, corresponding acceleration transducer detects direction and the size of acceleration, and should
ECU9 is transferred to after acceleration information treatment, can be with write-in program in ECU9, on the one hand the absolute value of the acceleration to being input into is big
It is small to be analyzed, provide crash severity rank；On the other hand the direction to acceleration is analyzed, and learns acceleration direction
It is towards rear view of vehicle, then can determine that as crash type is central collision.Side impact is similar with the determination methods for knocking into the back, not another herein
One repeats.
Occupant information collecting unit 7 is used to gather occupant information, and occupant information is mainly including the build and sitting posture of occupant etc.
Information.
Preferably, occupant information collecting unit 7 can use imageing sensor and picture processing chip, wherein：Image is passed
Sensor is arranged in crew department, such as the side of room mirror, for carrying out IMAQ to in-car occupant.Image procossing
Chip connects imageing sensor, for receiving the occupant image information that imageing sensor is collected, and the occupant's figure that will be collected
As information conveyance is to picture processing chip, picture processing chip is based on the characteristic identification human body contour outline of image border gray scale mutation,
The body-shape information of occupant is obtained, ECU9 is input to.When vehicle collides, imageing sensor carries out IMAQ again, should
The image information for collecting is processed through picture processing chip, obtains the sitting posture information of human body, is input to ECU9.By accurate acquisition
The build and sitting posture information of occupant, effectively can protect occupant.
Seat information acquisition unit 8 is used to gather seat information, seat information mainly include seat body 1 and floor 12 it
Between relative displacement information.Preferably, seat information acquisition unit 8 can use displacement transducer, displacement transducer to be arranged on
Between seat body 1 and floor 12, to gather the relative displacement information between acquisition seat body 1 and floor 12, this is with respect to position
Information input to ECU9 is moved, is differentiated by ECU9 after processing, obtain the relative velocity between seat body 1 and floor 12.
ECU9 is used to receive the vehicle collision information, occupant information and seat information, and according to the vehicle of input
Collision information, occupant information and seat information calculate the current control amount for being applied to magnetic flow liquid 6, to control magnetic flow liquid 6 to flow
Damping characteristic during through damping hole 22, to change complexity when magnetic flow liquid 6 flows through damping hole 22.
Obviously, damper assembly 2 is suspended in magnetic flow liquid 6, and this is in a suspension all the time equivalent to seat body 1
State, with the change of the motion operating mode of vehicle, seat body 1 can produce corresponding motion, the damping group being connected with seat body 1
The motion of seat body 1 is passed to magnetic flow liquid 6 by part 2, magnetic flow liquid 6 is flowed through resistance towards the direction corresponding with the direction of motion
Buddhist nun hole 22.What those skilled in the art could be aware that is：The viscosity of magnetic flow liquid 6 can directly influence the flowing of magnetic flow liquid 6
Property, and then have influence on complexity when magnetic flow liquid 6 flows through damping hole 22.
When vehicle collision accident occurs, the present embodiment can obtain vehicle collision letter using collision information collecting unit
Breath, such as：The information such as crash type (central collision, side impact and knock into the back) and crash severity, is obtained using occupant information collecting unit
Occupant information is taken, such as：The information such as the build and sitting posture of occupant, seat body is obtained for car using seat information acquisition unit
The velocity information on floor, and corresponding current control amount is provided based on each information and corresponding control strategy for collecting,
By changing magnetic field intensity, the magnetic-particle in magnetic flow liquid is changed disorderly and unsystematic arrangement mode originally in magnetic field, become
It is the flow direction for changing magnetic flow liquid according to certain direction ordered arrangement, controls the viscosity of magnetic flow liquid for appropriate value, changes and hand over
The complexity that forked type damping sheet is moved in magnetic rheological liquid, makes seat body produce acceptable displacement, constraint human body
Position, effectively prevents human body dive, improves the protection effect to occupant.
At the same time, due to the generation of acceptable displacements, sticking magnetic flow liquid can produce flow at high speed, and it flows through resistance
Heat is produced during damping hole on Buddhist nun's plate, the process can significantly consume collision energy, mitigate the injury to human body, carried significantly
The crashworthiness of automobile high, reaches the effect for significantly improving crashworthiness.Similarly, side impact, the accident such as knock into the back hair
When raw, the seat unit can produce acceptable displacement, and then the effective energy for absorbing collision, and automobile is improved comprehensively
Crashworthiness.
In one embodiment, to meet safety requirements, the present embodiment is using BP neural network algorithm to magnetic flow liquid formula
Safety seat is controlled, and BP neural network algorithm can learn and store substantial amounts of input and output mode mapping relations, and need not
The math equation of this mapping relations of description is disclosed in advance.The learning rules of BP neural network algorithm are to use steepest descent method,
The weights of each layer neural unit are constantly adjusted by reverse propagated error, makes the error sum of squares of network minimum.BP nerve nets
Network model topology structure includes input layer, hidden layer and output layer, and each layer is made up of a number of neuron node.Respectively
Cross reaction between layer neuron is described by activation primitive.It is specific as follows：
ECU9 includes the first BP neural network model and the second BP neural network model, wherein：
First BP neural network model is used to choose vehicle collision information in the way of emulating and occupant information is defeated as first
Enter a layer input vector, choose magnetorheological fluid damp power be the first output layer output vector, select first input layer be input into
Amount trains study with the sample data of the first output layer output vector and using the sample data, to build vehicle collision letter
The first corresponding relation between the damping force that breath, occupant information and magnetic flow liquid are produced；And for Receiving collision information gathering
The actual occupant information that the actual vehicle collision information and occupant information collecting unit 7 that unit 5 is collected are collected, and according to institute
The first corresponding relation is stated, damping force value is expected in output.
Second BP neural network model is used to experimentally choose damping force and seat body that magnetic flow liquid is produced
Velocity information relative to vehicle floor is the second input layer input vector, chooses magnetic flow liquid input current for the second output layer
Output vector, the sample data for selecting the second input layer input vector and the second output layer output vector and utilize the sample
Notebook data training study, with build magnetic flow liquid generation damping force, seat body relative to vehicle floor velocity information and
Second corresponding relation of magnetic flow liquid input current, and for receiving the actual chair that seat information acquisition unit 8 is collected
Information and the expectation damping force value of the first BP neural network model output, and according to second corresponding relation, output is made
Use the controlled quentity controlled variable of magnetic flow liquid input current.
In one embodiment, the first corresponding relation of the first BP neural network model and the second BP neural network mould
Second corresponding relation of type is all obtained according to below scheme：
The first step, definition：Input layer has n neuron, and hidden layer has p neuron, and output layer has q neuron, n, p
Positive integer is with q；
X=(x1,x2,...,xn) be the input layer input vector；
Hi=(hi1,hi2,…,hip) be the hidden layer input vector；
Ho=(ho1,ho2,…,hop) it is the hidden layer output vector；
Yi=(yi1,yi2,…,yiq) be the output layer input vector；
Yo=(yo1,yo2,…,yoq) it is the output layer output vector；
do=(d1,d2,…,dq) it is desired output vector；
bhIt is the threshold value of each neuron of hidden layer
boIt is the threshold value of each neuron of output layer
wihIt is the input layer and the connection weight of the hidden layer；
whoIt is the hidden layer and the connection weight of the output layer；
μ1、μ2It is learning rate, wherein 0<μ1<1,0<μ2<1
F (x) is activation primitive,
E is error function,
K=1,2 ... m is the number of the sample data；
Second step, the initialization of network and sample are chosen：
A random number in interval (- 1,1) is assigned to each connection weight using random function, error function e is set, given
Determine computational accuracy ε and maximum study number of times M；
Choose k-th input sample and desired output：
X (k)=(x1(k),x2(k),...,xn(k))
do(k)=(d1(k),d2(k),...,dq(k))
3rd step, calculates the input and output of each layer neuron：
hoh(k)=f (hih(k)) h=1,2 ..., p
yoo(k)=f (yio(k)) o=1,2 ... q
4th step, using network desired output and reality output, each neuron of calculation error function pair output layer it is inclined
Derivative：
Wherein：
5th step, the partial derivative of each neuron of calculation error function pair input layer：
Wherein：
6th step, using the δ of each neuron of output layeroK connection weight is corrected in the output of () and each neuron of hidden layer
woh(k)：
7th step, using the δ of each neuron of hidden layerhThe Introduced Malaria connection weight of (k) and each neuron of input layer：
8th step, calculates global error：
9th step, judges whether network error meets requirement, when error reaches default precision or study number of times more than setting
Maximum times, then terminate algorithm；Otherwise, next learning sample and corresponding desired output are chosen, next round is backed into
Study.
In one embodiment, the quantity of the damping sheet 21 in damper assembly 2 is three pieces, is configured to intersect and mutually hangs down
Directly.The structure that damping sheet 21 is formed similar in criss-cross construction, therefore, when seat body 1 moves up and down：Horizontally disposed
Damping sheet 21 serves the effect of damper.Seat body 1 or so, when moving forward and backward：The two pieces of damping sheets 21 arranged vertically
To the effect of damper.
The present embodiment utilizes the orthogonal damping sheet of three dimensions, and is combined with BP neural network algorithm to magnetorheological
Liquid formula safety seat is controlled, the damping change control in achievable space in all directions, in face of different vehicle collisions
When, ECU9 can be calculated after vehicle collision information, occupant information and seat information is received according to each described information of input
The current control amount of magnetic flow liquid 6 is applied to, so as to change magnetic field intensity, and then different damping forces is produced, realized in three-dimensional
The displacement of space omnidirectional constraint seat body, and then the position of human body is constrained, human body dive is effectively prevented, improve to occupant
Protection effect.
As shown in figure 3, elastic packing connecting elements 3 is made up of elastomeric material, and annularly, inner ring is set in damper assembly
Outside 2 connecting plate 23.Elastic packing connecting elements 3 has the circumferential slot 31 being embedded in for the open top of casing 4, to be tightly connected
Casing 4 and damper assembly 2.Elastic packing connecting elements 3 also acts as the effect similar to spring, for being produced to damper assembly 2
Pulling force be allowed to the gravitational equilibrium of damper assembly 2, add the buoyancy of magnetic flow liquid 6, be allowed to be suspended in magnetic flow liquid 6.
In one embodiment, the vehicle collision energy-absorbing control device is also put including D and D/A converter 10, signal
Big modulate circuit 13 and current amplifier 14, wherein：
D and D/A converter 10 is used for the acceleration information, relative between seat body 1 and floor 12 when colliding
Displacement information is changed into data signal by analog signal and is converted by data signal for the current control amount that exports ECU9
Into analog signal, the analog signal is applied to magnetic flow liquid 6, controls the damping characteristic of magnetic flow liquid 6.
Signal amplifying and conditioning circuit 13 be connected electrically in the acceleration transducer of the collision information collecting unit 5 and ECU9 it
Between and the displacement transducer and ECU9 of seat information acquisition unit 8 between, for the acceleration information and seat that will collect
Relative displacement information between body 1 and floor 12 is amplified, after rectification and filtering, then by D and D/A converter
ECU9 is conveyed to after 10 treatment.
Current amplifier 14 is connected electrically between the D and D/A converter 10 and fixed magnetic pole plate 15, for inciting somebody to action
After the current control amount of ECU9 outputs is amplified, the fixed magnetic pole plate 15 is conveyed to.
Four sides of casing 4 are respectively provided with the fixed magnetic pole plate 15 for being wound with magnet exciting coil, and fixed magnetic pole plate 15 is by electricity
Stream amplifier 14 is electrically connected with D and D/A converter 10, and the current control amount of ECU9 outputs is successively via modulus/digital-to-analogue conversion
Device 10, current amplifier 14 and fixed magnetic pole plate 15, are applied to magnetic flow liquid 6.
Below by taking automobile front collision as an example, utility model works process is described in detail：
After occupant gets on the bus, imageing sensor carries out IMAQ to human body, and occupant image information is passed at image
Reason chip, the characteristic identification human body contour outline that picture processing chip is based on the mutation of image border gray scale obtains human somatotype information, people
Body body-shape information is transferred to ECU.When collision accident occurs, imageing sensor can carry out IMAQ to occupant again, should
Image information obtains the sitting posture information of human body after being processed through picture processing chip, and is transferred to ECU.At the same time, installed in car
The collision acceleration sensor of the front part sides, middle part and afterbody of body, acceleration signal during collection collision amplifies through signal to be adjusted
Reason circuit pass to after signal transacting carrying out data conversion in analog-digital converter, at the signal input after conversion to ECU
Reason, the order of severity of accident is judged according to the acceleration magnitude size after treatment, the walking direction accident hair according to crash acceleration
Raw type is preceding collision.
After ECU receives build, sitting posture, crash severity and crash type this four input quantities, the BP in ECU
The expectation damping force that neural network model is obtained.
While generation is collided, displacement transducer obtains relative displacement information of the seat body relative to vehicle floor,
After the relative displacement information carries out signal transacting through signal amplifying and conditioning circuit, being transferred in analog-digital converter carries out modulus and turns
Change, the signal input after analog-to-digital conversion to ECU, to be differentiated by ECU and obtain seat body relative between vehicle floor after processing
Relative velocity.
Expectation damping force that first BP neural network model is obtained and seat body are relative to relative between vehicle floor
Speed is input among the second BP neural network model as input vector, output current controlled quentity controlled variable.Current control amount ratio contracts
Output after small.
Current control amount after scale smaller is input to current amplifier and enters after carrying out digital-to-analogue conversion via weighted-voltage D/A converter
Row amplifies, and electric current is input in the magnet exciting coil in fixed magnetic pole plate afterwards, produces magnetic field, makes the magnetic-particle in magnetic flow liquid
It is changed into ordered arrangement from disorderly and unsystematic arrangement, controls the viscosity of magnetic rheological liquid for appropriate value, changes chiasma type damping sheet and exist
The complexity moved in magnetic rheological liquid, makes seat body produce acceptable displacement, constrains the position of human body, effective anti-
Only human body dive, improves the protection effect of occupant.
Due to the generation of acceptable displacements, sticking magnetic flow liquid can produce flow at high speed, when it flows through damping plate hole
Producing heat can significantly consume collision energy, mitigate the injury to human body, substantially increase the crashworthiness of automobile, reach
To the effect for significantly improving crashworthiness.Similar, when side impact, the accident such as knock into the back occur, the seat unit can be produced
Acceptable displacement, and then the effective energy for absorbing collision, improve the crashworthiness of automobile comprehensively.
The utility model also provides a kind of vehicle, and the vehicle includes vehicle collision energy-absorbing as described above described in each embodiment
Control device.
It is last it is to be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than it is limited
System.It will be understood by those within the art that：Technical scheme described in foregoing embodiments can be modified, or
Person carries out equivalent to which part technical characteristic；These modifications are replaced, and take off the essence of appropriate technical solution
From the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a kind of vehicle collision energy-absorbing control device, it is characterised in that close including seat body (1), damper assembly (2), elasticity
Envelope connecting elements (3), casing (4), collision information collecting unit (5), occupant information collecting unit (7), seat information gathering list
First (8) and ECU (9), wherein：The damper assembly (2) including being fixedly connected on the seat body (1) bottom in a vertical manner
Damping sheet (21) and the damping hole (22) through the damping sheet (21)；Enclosed inside has the case of magnetic flow liquid (6)
Body (4) is tightly connected by elastic packing connecting elements (3) with the damper assembly (2)；The damper assembly (2) is suspended in institute
State in magnetic flow liquid (6) and can be remained with the inner surface of the casing (4) and separate state；The collision information collecting unit
(5) for collection vehicle collision information；The occupant information collecting unit (7) is for gathering occupant information；The seat information
Collecting unit (8) is for gathering the seat information；The ECU (9) for receive the vehicle collision information, occupant information and
The seat information, and the current control amount for being applied to the magnetic flow liquid (6) is calculated according to each described information of input, to control
Make the damping characteristic when magnetic flow liquid (6) flows through the damping hole (22).
2. vehicle collision energy-absorbing control device as claimed in claim 1, it is characterised in that the institute in the damper assembly (2)
The quantity of damping sheet (21) is stated for three pieces, is configured to intersect and is mutually perpendicular to.
3. vehicle collision energy-absorbing control device as claimed in claim 2, it is characterised in that the damper assembly (2) also includes
Connecting plate (23), the lower surface of the connecting plate (23) connects each piece of top of the damping sheet (21), and upper surface connection is described
The elastic packing connecting elements (3) is arranged outside seat body (1), the connecting plate (23).
4. vehicle collision energy-absorbing control device as claimed in claim 3, it is characterised in that the elastic packing connecting elements
(3) annular in shape, inner ring is set in the damper assembly (2) outward；The elastic packing connecting elements (3) is with for the casing
(4) circumferential slot (31) of open top insertion, to be tightly connected the casing (4) and the damper assembly (2).
5. the vehicle collision energy-absorbing control device as any one of Claims 1-4, it is characterised in that also include：
Fixed magnetic pole plate (15), its four side for being arranged on the casing (4), each fixed magnetic pole plate (15) with it is described
ECU (9) is electrically connected, and the current control amount of the ECU (9) output after the fixed magnetic pole plate (15) via being applied to the magnetic current
Become liquid (6), to control the magnetic flow liquid (6) to flow through the damping characteristic of the damping hole (22).
6. vehicle collision energy-absorbing control device as claimed in claim 5, it is characterised in that also include：
D and D/A converter (10), it is used for by acceleration information when colliding, between seat body (1) and floor (12)
Relative displacement information by analog signal change into data signal and for the current control amount that exports the ECU (9) by
Data signal changes into analog signal, and the analog signal is applied to the magnetic flow liquid (6).
7. vehicle collision energy-absorbing control device as claimed in claim 6, it is characterised in that also include：
Current amplifier (14), it is connected electrically between the D and D/A converter (10) and fixed magnetic pole plate (15), is used for
After the current control amount that the ECU (9) is exported is amplified, the fixed magnetic pole plate (15) is conveyed to.
8. vehicle collision energy-absorbing control device as claimed in claim 7, it is characterised in that also include：
Signal amplifying and conditioning circuit (13), its acceleration transducer for being connected electrically in the collision information collecting unit (5) and institute
State between ECU (9) and between the displacement transducer and the ECU (9) of the seat information acquisition unit (8), for that will adopt
Relative displacement information between the acceleration information and seat body (1) that collect and floor (12) is amplified, rectification and filtering
Afterwards, then by being conveyed to the ECU (9) after the D and D/A converter (10) treatment.
9. a kind of vehicle, it is characterised in that control dress including the vehicle collision energy-absorbing as any one of claim 1 to 8
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262277.2U CN206242971U (en) | 2016-11-21 | 2016-11-21 | A kind of vehicle and its collision energy-absorbing control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262277.2U CN206242971U (en) | 2016-11-21 | 2016-11-21 | A kind of vehicle and its collision energy-absorbing control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242971U true CN206242971U (en) | 2017-06-13 |
Family
ID=59001683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262277.2U Active CN206242971U (en) | 2016-11-21 | 2016-11-21 | A kind of vehicle and its collision energy-absorbing control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242971U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627279A (en) * | 2016-11-21 | 2017-05-10 | 清华大学 | Vehicle and collision energy absorption control device and method thereof |
| CN109677304A (en) * | 2019-02-27 | 2019-04-26 | 汉腾汽车有限公司 | Motor vehicle seat back angle control system and its control method |
| CN109940622A (en) * | 2019-04-28 | 2019-06-28 | 西安交通大学 | It is a kind of based on the robot arm of current of electric without sensing collision checking method |
| CN111247351A (en) * | 2015-05-26 | 2020-06-05 | 埃索欧耐迪克超动力 | Dynamic motion control system using magnetorheological fluid clutch apparatus |
| CN112098678A (en) * | 2020-11-17 | 2020-12-18 | 南京集成电路产业服务中心有限公司 | Accelerometer system, vehicle-mounted control system and vehicle-mounted safety control method |
| CN113056144A (en) * | 2021-04-06 | 2021-06-29 | 苏州朗捷通智能科技有限公司 | Integrated system of big data cloud storage server |
| CN113859134A (en) * | 2021-03-26 | 2021-12-31 | 友达光电股份有限公司 | Vehicle display and control system thereof |
-
2016
- 2016-11-21 CN CN201621262277.2U patent/CN206242971U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247351A (en) * | 2015-05-26 | 2020-06-05 | 埃索欧耐迪克超动力 | Dynamic motion control system using magnetorheological fluid clutch apparatus |
| CN111247351B (en) * | 2015-05-26 | 2022-08-26 | 埃索欧耐迪克超动力 | Dynamic motion control system using magnetorheological fluid clutch apparatus |
| CN106627279A (en) * | 2016-11-21 | 2017-05-10 | 清华大学 | Vehicle and collision energy absorption control device and method thereof |
| CN109677304A (en) * | 2019-02-27 | 2019-04-26 | 汉腾汽车有限公司 | Motor vehicle seat back angle control system and its control method |
| CN109940622A (en) * | 2019-04-28 | 2019-06-28 | 西安交通大学 | It is a kind of based on the robot arm of current of electric without sensing collision checking method |
| CN112098678A (en) * | 2020-11-17 | 2020-12-18 | 南京集成电路产业服务中心有限公司 | Accelerometer system, vehicle-mounted control system and vehicle-mounted safety control method |
| CN112098678B (en) * | 2020-11-17 | 2021-02-26 | 南京集成电路产业服务中心有限公司 | Accelerometer system, vehicle-mounted control system and vehicle-mounted safety control method |
| CN113859134A (en) * | 2021-03-26 | 2021-12-31 | 友达光电股份有限公司 | Vehicle display and control system thereof |
| CN113859134B (en) * | 2021-03-26 | 2023-06-16 | 友达光电股份有限公司 | Display for vehicle and control system thereof |
| CN113056144A (en) * | 2021-04-06 | 2021-06-29 | 苏州朗捷通智能科技有限公司 | Integrated system of big data cloud storage server |
| CN113056144B (en) * | 2021-04-06 | 2023-09-19 | 苏州朗捷通智能科技有限公司 | Integrated system of big data cloud storage server |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206242971U (en) | A kind of vehicle and its collision energy-absorbing control device | |
| US9549582B2 (en) | Protective helmet | |
| Iwamoto et al. | Development and validation of the Total HUman Model for Safety (THUMS) version 5 containing multiple 1D muscles for estimating occupant motions with muscle activation during side impacts | |
| CN105291746B (en) | Vehicle vibration insulating system | |
| SE525912C2 (en) | Wheel suspension for a vehicle | |
| Du et al. | Experimental study on shock control of a vehicle semi-active suspension with magneto-rheological damper | |
| Anubi et al. | A new variable stiffness suspension system: passive case | |
| CN115062511A (en) | Human neck injury prediction method based on physical signs under AEB working condition | |
| KR102337861B1 (en) | Apparatus for fall prediction using lead time and method thereof | |
| CN106627279A (en) | Vehicle and collision energy absorption control device and method thereof | |
| Kumar et al. | Design of LQR controller for active suspension system | |
| Kang et al. | Motion responses by occupants in out-of-seat positions during autonomous emergency braking | |
| CN116749700A (en) | Vehicle active suspension control method considering passenger motion based on road surface information | |
| KR101913499B1 (en) | Apparutus and method for providng customized seat control | |
| CN112966333B (en) | Method for estimating collision center of rope system fly net captured non-cooperative target | |
| Melvin et al. | Evaluation of dummy neck performance | |
| Elsawaf et al. | Passive suspension system optimization using PSO to enhance ride comfort when crossing different types of speed control profiles | |
| CN208036029U (en) | Seat Vertical Vibration Reduction system based on semi-active damper device | |
| Kasim et al. | Theoretical Study of Suspension System for Two-Dimensional Model of the Vehicle and its Effects on limiting speed and Driver Comfort | |
| US11440368B2 (en) | Damper control system and method according to rough road determination | |
| Gobbi et al. | Motorcycle Accidents—A New Head and Neck Safety Device for Riders | |
| CN109823243A (en) | Safety protecting method and device based on seat | |
| Dong et al. | Investigation of child neck muscle modeling method in frontal impact | |
| CN117104527B (en) | Carrier-borne aircraft pilot dummy model landing impact damage assessment method | |
| CN106945581A (en) | A kind of shock-absorbing seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |