CN105793120B - Active shank mating system - Google Patents
Active shank mating system Download PDFInfo
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- CN105793120B CN105793120B CN201480065297.8A CN201480065297A CN105793120B CN 105793120 B CN105793120 B CN 105793120B CN 201480065297 A CN201480065297 A CN 201480065297A CN 105793120 B CN105793120 B CN 105793120B
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- leg
- engagement member
- arm
- mating system
- vehicle
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Abstract
A kind of active leg mating system (10) for vehicle, which includes the leg engagement member (12) that can be selectively unfolded.
Description
Cross reference to related applications
This application claims the U.S. Provisional Application No.61/910,270 and 61/910 submitted on November 29th, 2013,
The complete disclosure of 265 priority, above-mentioned U. S. application is incorporated herein by reference.
Background technology
Currently, in SUV and light truck, it is generally difficult to mitigate to pedestrian's after the vehicle of traveling and pedestrian contact
Leg injury simultaneously prevents pedestrian from " piercing " under-vehicle.This is because the vehicle of these types usually has higher bumper high
Degree, and be difficult to encapsulate fixed lower part installing type energy-absorbing due to the requirement of vehicle style, cross-country ability demand and other factors
Component.Therefore, for being designed to detection, the master for capturing and supporting pedestrian shank when pedestrian and SUV or light truck collide
Dynamic formula system, there is demands.
Invention content
In the one side of embodiment as described herein, the active leg mating system for vehicle includes that can select
The leg engagement member being unfolded to property.
In the other side of embodiment as described herein, a kind of leg mating system for vehicle is provided.This is
System includes the leg engagement member that can be unfolded, and is configured so that the leg engagement member is in before actuation and packs up position
It sets.The system is also configured such that the leg engagement member can be moved to expanded position before vehicle and pedestrian contact,
In the expanded position, front bumper and the tread residing for vehicle that at least part of the leg engagement member is located at vehicle
Between.
Description of the drawings
Attached drawing shows the embodiment of the present invention and the principle for explaining the present invention together with written description, these attached drawings
It is incorporated into specification and forms part of this specification.
Fig. 1 is the partial side view of front of the car, which includes being engaged according to the leg of one embodiment described herein
System, the leg mating system are shown at state before collapsed state or actuating.
Fig. 2 is the local perspective view of the downside of the front of the car of Fig. 1, shows the reality of leg mating system shown in FIG. 1
Apply example.
Fig. 2A is according to the schematic diagram of the leg mating system of one embodiment described herein, which is shown
Go out to be in fully unfolded position or extended configuration.
Fig. 2 B are the leg mating system quilts according to the schematic diagram of the leg mating system of another embodiment described herein
It is illustrated at fully unfolded position or extended configuration.
Fig. 3 is the side view of Fig. 1, shows the implementation of the leg mating system in fully unfolded position or extended configuration
Example.
Fig. 4 is the schematic block diagram according to the leg mating system of one embodiment described herein.
Fig. 5 is the schematic block diagram according to the leg mating system of another embodiment described herein.
Fig. 6 is the schematic diagram for showing the leg mating system according to one embodiment described herein, leg engagement system
System is in fully unfolded position to engage the leg of pedestrian.
Fig. 7 is the schematic diagram of one embodiment of the shell of leg mating system, other elements of the leg mating system
It can be attached to the shell, in the car in order to system installation.
Fig. 7 A are the schematic diagram of the shell of leg mating system, other elements of another embodiment of leg mating system
It can be attached to the shell, in the car in order to system installation.
Fig. 8 A are the swing type leg mating systems according to one embodiment described herein, which is shown
For the state before collapsed state or actuating.
Fig. 8 B are the schematic diagrames of the embodiment of swing type leg mating system shown in Fig. 8 A.
Fig. 9 A are according to the schematic diagram of the swing type leg mating system of another embodiment described herein, the swing type leg
Portion's mating system is shown as the state before collapsed state or actuating.
Fig. 9 B are the schematic diagrames of the embodiment of swing type leg mating system shown in Fig. 9 A.
Specific implementation mode
In the entire description to multiple attached drawings, same reference numeral indicates same component.In addition, though for this
The size of various features described in text can mention desired value, it should be appreciated that these values can be since (such as manufacture is public for various factors
Difference) and change, moreover, these change also in the desired extent of embodiment described herein.
Fig. 1-7 shows the various embodiments of vehicle installing type leg mating system (being designated generally as 10).The leg connects
Collaboration system includes leg engagement member 12, which can be moved to pre- for road surface or tread
Positioning is set, to be engaged with pedestrian's knee shank below in vehicle contact pedestrian, or after vehicle and pedestrian contact
It is engaged as early as possible with the shank of pedestrian.In a particular embodiment, leg engagement member 12 is oriented：When the system is unfolded, with
It is contacted positioned at the lower part 1/2 of the shin bone of the adult pedestrian in 99 front of vehicle bumper.In leg, engagement member 12 is fully deployed
Position, leg engagement member 12 help to prevent pedestrian from " piercing " under-vehicle when colliding.As it is used herein, should
Term " piercing " refer to after vehicle and pedestrian contact, the part of pedestrian or pedestrian be moved to the front bumper of traveling vehicle
The lower section of vehicle body and/or.
In the embodiment shown in Fig. 1-5, leg mating system 10 includes moveable energy-absorption type leg engagement member 12.
In one embodiment, leg engagement member 12 is half moon-shaped (crescent-shaped) and/or substantially follows in vehicle
The curvature for the part of front bumper being placed exactly in when the component is in unfolded state above the engagement member of leg has
Curvature identical with the part of vehicle front bumper.Leg engagement member 12 can be formed by any energy-absorbing material appropriate,
Such as foamed material, polymer, rubber, silica gel, one or more metal materials etc..Leg engagement member 12 can also be by can be swollen
Swollen bag, diaphragm or container is formed, it can be in response to actuating signal and by suitable gas generation system (for example, with the appearance
The trigger or gas generation system that device operatively couples) or other expansion fluid sources (for example, with by compressor
The air pipe line that operation and inflated reservoir operatively couple) expansion.
In a particular embodiment, the type depending on the energy-absorbing material used in the leg engagement member, the tread
Availability interval between vehicle bumper and other correlative factors, indicate the leg engagement member along with pedestrian
The height of the component surface of leg contact or the size H of thickness are in the range of 20 to 150 millimeters.
In the embodiments described herein, leg mating system 10 is Active mechanism, it means that the leg engages structure
Part 12 can be packed up or retract (that is, non-deployed) from common in response to the generation of certain predetermined state or one group of predetermined state
State (as illustrated in fig. 1 and 2) is deployed into the fully unfolded position for being designed to engage with the leg of pedestrian.Vehicle and pedestrian it
Between contact before, first reach the fully expanded position.
In some embodiments, the installation of leg engagement member 12 on the actuator, for one or more stretch by the actuator
Leg engagement member 12 is operatively connected to a part for vehicle by the form of contracting arm 14, the telescopic arm 14.Fig. 1-5 institute
The embodiment shown has used two telescopic arms being separated from each other 14, wherein connecting near each end of leg engagement member 12
Arm there are one connecing.However, it is possible to use the telescopic arm of any desired number.Moreover, depending in concrete application operationally,
Requirement in structure or in size, arm 14 can be connected to leg in any one or more desired locations along the component and connect
Close component 12.
With reference to figure 2A, in one embodiment, each arm 14 is the form of pneumatically or hydraulically piston-cylinder sub-assembly.It is living
Stopper rod 14a is attached to piston, to be moved together with the piston (not shown).A part for the leg engagement member is attached to
The end of each piston rod 14a.In known manner, pressurized fluid is made to be introduced in gas the actuating of leg mating system 10
In cylinder (or in gas In-Cylinder Flow), to make piston 14b be moved along the inside of its associated cylinder.The movement of piston 14b is drawn
Rise with piston attachment bar 14a movement, and make and the end of bar 14a be attached leg engagement member 12 be accordingly moved to
The fully expanded position of the leg engagement member.
Fig. 2A shows to use an example of the system of the actuatable arm 14 of piston-cylinder sub-assembly form.In addition to arm
14 and leg engagement member 12, the embodiment of the system further include：The controller 22 coupled with arm 14, for according to predetermined
Standard controls the expansion of leg engagement member 12；And one or more source of pressurised fluid and relevant fluid flow control machine
Structure (including valve gear, solenoid etc.), they are operatively connected to controller 22 and cylinder 14 and are configured to needing
When pressurized fluid is supplied to the arm.
Arm 14 can be constructed, orient and operatively be connected to vehicle so that：The parallel to each other of the arm is indulged
To axis or promote axis P1 and P2 towards leg engagement member 12 final expanded position be directed toward or with leg engagement member
12 final expanded position alignment, also, when the arm is activated, the stroke of the arm makes leg engagement member 12 be moved to
Desired fully expanded position.
Source of pressurised fluid for the system for example may include：By compressor for pneumatic system and other known
The operation of element and inflated reservoir；For the reservoir of hydraulic system, pump and other known element；As shown in Figure 2 B
Gas generation system (for example, as it is known that minitype gas generate system or MGG) 97；Or any other fluid source appropriate.It is single
Only source of pressurised fluid can operatively be connected to each cylinder 14.Alternatively, shared source of pressurised fluid can join
It is connected to two arms 14.
Controller 22 can be that have installed system controller in the car or the controller can be dedicated leg
Mating system controller.
Leg mating system 10 can be by activating from 20 received signal of (one or more) sensor appropriate, Huo Zheyou
It is activated from 22 received signal of controller in response to the sensor input received by controller 20.(one or more) passes
Sensor be configured to detect under the car speed in working range as described herein vehicle front at least outside certain distance whether
There are pedestrian, the distance be enough to allow vehicle with the leg engagement member be located in leg before pedestrian contact engage position
It sets.The type for the sensor that can be used includes known radio radar sensor, laser radar sensor, visual sensor
Or any other suitable sensor, these sensors are configured to detection vehicle front with the presence or absence of pedestrian and generate leg in time
Portion's mating system activates signal, to activate the system before being contacted between pedestrian and vehicle.For detecting whether there is row
The sensor 20 of people can be existing vehicle sensors or dedicated leg mating system sensor, these sensors are can grasp
It is connected to leg mating system controller 22 as mode, or is directly coupled to following elements：For example, being configured to receiving
Pressurized fluid is supplied to the gas generation system of the arm when control signal appropriate.
In another embodiment (not shown), telescopic arm 14 is spring-loaded.The expansion of engagement member 12 in leg
Before, the arm is maintained at stowed position or retracted position by disengagable locking (for example, using solenoid appropriate).
Suitable spring member is constructed and is operatively connected to the arm, so as to disabled or while releasing will in the locking
The arm is quickly pushed to extended position or expanded position.It can be by the system activation signal that is received from controller to disable
State locking.In response to come from sensor device (for example, radio radar appropriate, laser radar, vision system etc.), show
May will with the signal of pedestrian contact and send the controller signals.Before this contact of permission between vehicle and pedestrian,
The spring-loaded arm stretches and leg engagement member 12 is moved to its fully expanded position.It is disabled in the locking
When, thus leg engagement member 12 is located in its final fully expanded position by the arm stretching, extension.Leg engagement member 12 is slightly
After can reset (for example, in a manual manner), for subsequent use.
With reference to figure 8A-9B, in other embodiments, leg engagement member 12 is mounted on one or more swingable expansion arms
On 114, leg engagement member is operatively connected to a part for vehicle by the arm 114.Implement shown in Fig. 8 A-9B
Example has used two expansion arms, wherein each near each end of the component be connected to leg engagement member 12 there are one arm.
However, it is possible to use the expansion arm of any desired number.Moreover, depending in concrete application operationally, in structure or ruler
Requirement on very little is connected to the leg engagement member at any desired position that arm 114 can be in mutiple positions.In addition,
Arm 114 can rotatably be connected to shell 40 or be directly coupled to a part (such as vehicle frame 90) for vehicle.In addition, removing
Except controller 22 and any desired sensor, each embodiment shown in Fig. 8 A-9B can include any pressurized stream
Body source, valve gear, electronic control unit and/or appointing as is generally known in the art and needed for the function of specific embodiment as described herein
What its component.
In the embodiment shown in Fig. 8 A-9B, before in the leg, mating system is activated, arm 114 and attached with arm 114
The leg engagement member 12 connect is in collapsed state, as mentioned before.However, not being as described in above for arm 14 along this
The longitudinal axis of arm is stretched and is retracted so that leg engagement member 12 is unfolded, but, arm 114 is operatively connected to vehicle
, to turn round or rotate along scheduled circular arc relative to vehicle, to which leg engagement member 12 is unfolded.
Fig. 8 A show the swingable arm and leg engagement member 12 of the state before collapsed state or actuating.In Fig. 8 A-
In embodiment shown in 8B, after system activation, the expansion arm 114 from its stowed position as shown in arrow MM generally downward
It swings or rotates, attached leg engagement member 12 is navigated to below bumper, as shown in Figure 8 B.
Fig. 9 A show in another embodiment of the system, before collapsed state or actuating the swingable arm of state and
Leg engagement member 12.In the specific embodiment shown in Fig. 9 A-9B, after system activation, the expansion arm 114 is received from it
Position movement is played, generally forwards and to lower swing or rotation as shown in arrow M ' M ', leg engagement member 12 is navigated to
Below bumper, as shown in Figure 9 B.
The known rotary actuator that arm 114 can operatively be connected to any appropriate type (is designated generally as
, such as stepper motor and associated sensor and/or position coder and other hardware 55)；Stepper motor and associated
Gear train, sensor and/or position coder and other hardware；Known fluid dynamic rotary actuator and associated hard
Part or any other rotary actuator appropriate.This actuator can be obtained from each suppliers.Individually rotation
Formula actuator 55, which can be connected to each arm 114 or the two arms, can be rotated by single rotary actuator (such as Fig. 7 A institutes
Show).By the type according to some because of rotary actuator used in usually specifying, such as the leg mating system will be positioned in
Vehicle dimension enveloping surface (size envelope) therein, leg engagement member 12 and rotating arm 114 for particular design
Torque request and other correlative factors.
Rotary actuator 55 is operatively connected to controller 22.(and as described herein from the controller
Other positions) when receiving actuating signal, the rotary actuator is started to work so that arm 114 is downwards and/or along the phase
The arc swing of prestige, until leg engagement member 12 reaches its expanded position.If it is required, then one or more hard retainers
(not shown) can operatively be connected to arm 114, by by limiting the rotation of the arm in a manner of as known in the art
Transhipment is dynamic.
The leg mating system is also configured to be applied on the engagement member of leg in response to the pedestrian by contacting the component
Reaction force and leg engagement member 12 is maintained at fully expanded position.The one of the stretching, extension for carrying out control arm using pressurized fluid
In a embodiment, which can in known manner be absorbed by the pressurized fluid in the arm.
In specific embodiment (for example, using embodiment of elastic loading arm as described herein), locking mechanism (does not show
Go out) it can be incorporated into (or being operatively connected to) the leg mating system, for leg engagement member 12 to be locked
In expanded position or expansion orientation.The locking mechanism can automatically connect when leg engagement member 12 reaches fully expanded position
It closes, and can be detached from and reset the position of the leg engagement member 12 in a manual manner, in order to other use.It is any various
Known mechanism or method can be used to leg engagement member 12 being maintained at expansion orientation or unfolded state.
In one embodiment, above-mentioned leg mating system 10 is built into the structure of vehicle, for making leg engage
The mechanism that component 12 is unfolded can operatively be connected to vehicle control device and/or be connected to is mounted on vehicle during manufacture
Sensor in.In a particular embodiment, leg engagement member 12 is expandable members, and shape is stored in contraction state
At in the cavity in vehicle bumper.In the triggering of the actuating signal of sensor or controller and leg engagement member 12
The gas generation system that portion operatively couples makes the component expansion to generate gas-pressurized.After the expansion, leg
Engagement member 12 may remain in swelling state or unfolded state, until expanding gas is released and 12 quilt of leg engagement member
It reloads in bumper for subsequently using.By using the gas generation system of fast-acting, allow in vehicle sensory
Device 20 responded and detect the pedestrian very close to front part of vehicle after, the relatively quick exhibition of leg engagement member 12
It opens.
It will be determined by following factor for the specific method in the prelocalization with the pedestrian contact leg engagement member 12：Example
Such as, which is mountable to available enveloping surface size therein；Whether the leg engagement member will be in normal vehicle
Operation during deployment and retraction, or only think will be with pedestrian contact when just expansion；The response time of the system is (from inspection
Measure pedestrian to pedestrian contact before the leg engagement member is located in expanded position)；The leg engagement member is from receipts
Rise position arrive expanded position distance, and others correlative factor.
In using swingable or rotatable arm 114 embodiment, the arm can be configured to allow to adjust the arm
Length (for example, using telescopic structure), or can be configured to allow to change following distance D9 (see Fig. 9 B)：Distance D9
Be between the attachment location of pivot position of the arm on shell or vehicle and leg engagement member 12 on arm 114 away from
From.This provides additional flexibility in terms of the positioning of leg engagement member 12, as is described elsewhere herein.
In a particular embodiment, which includes shell 40, other component (examples of the leg mating system
Such as, leg engagement member 12, sensor 20, controller 22, telescopic arm 14 and any relevant actuating mechanism (not shown), and
Any other expectation component) shell 40 is may be mounted to, another appropriate part of vehicle frame or vehicle can be fixed to formation
Module.The shell allows the component by leg mating system to be installed to the shell and fixes the position of these components relative to each other
And orientation, consequently facilitating the installation of the leg mating system and the correct operation of the system.The shell also allows the leg
Mating system is more easily retrofitted on existing vehicle.Installing auxiliary part (such as suitable backing plate or mounting bracket (are not shown
Go out)) it can also be used for helping for the shell to be attached to given vehicle.
Fig. 7 is adapted for installing the schematic diagram of one embodiment of the shell 40 of other leg mating system components on it.
In the embodiment shown in fig. 7, shell 40 includes first part 40a and second part 40b, and second part 40b is configured to
It can be slided relative to first part when being connected to first part or being capable of adjusting position in other ways.It is real shown in
Apply in example, first part 40a and second part 40b be configured to allow for adjusting the shell width W (when installation in the car
When, extend perpendicular to the front and back axis of vehicle), and allow the housing parts fix in position to keep desired broad-ruler
It is very little.This adjustability of case width is attached to the vehicle frame of various sizes convenient for the shell.In housing parts 40a, 40b phase
After being fixed to one another in place, other elements of the leg mating system can utilize fastener, welding or any other appropriate
One or more methods be attached to the housing parts.The shell can by any one or more materials appropriate (for example,
Metal material, polymer etc.) it is formed.As shown in the figure and according to one embodiment as described herein, telescopic arm 14 can be attached
To the housing parts.
Fig. 7 A are analogous to the schematic diagram of Fig. 7, show that swingable or rotatable arm 114 is attached to the implementation of shell 40
Example.In the embodiment shown in Fig. 7 A, arm 114 is shown as being rotatably attached to housing parts 40a, 40b.Arm 114
Single rotary actuator 55 by being operatively connected to the arm and shell 40 (or being directly coupled to vehicle) rotates.
Alternatively, each arm 114 can operatively be connected to individual rotary actuator.
In addition, other elements of the leg mating system can housing parts 40a, 40 be fixed relative to each other it is in place it
Before be attached to the housing parts.This allows the requirement according to concrete application and is lowered the case where other system elements have been attached
Case width W is saved, to be attached to the part of particular vehicle.
In another embodiment, shell 40 is formed with the single integral structure of non-adjustable width W.Width dimensions
W is designated, and vehicle frame or part in particular vehicle design are installed in order to the shell.
As described herein, according to one or more operation modes as described herein, the module may include or with can
It can be independent that mode of operation, which is connected to existing vehicle control device and/or (one or more) sensor or the module,
, including its own be configured to before vehicle and pedestrian contacts the controller that activates leg engagement member 12 and/or
(one or more) sensor.
In a particular embodiment, which is constructed such that：The various parts of the leg mating system
Final position and/or orientation relative to their vehicle sections to be installed to are adjustable.For example, cylinder 14 can be stroke
Adjustable cylinder.This cylinder is well known in the related art, and can be obtained from any of various suppliers,
Such as TRD Manufacturing, the Inc companies of Machesney Park, IL.
Moreover, in the situation that cylinder 14 is attached to shell 40 as described herein, the part of each cylinder can be with
Rotatable manner is attached to associated housing parts, to allow to be adjusted relative to the shell according to the requirement of concrete application
For cylinder angular orientation.The cylinder can be pivoted around the portion of being rotatably connected to provide desired angular orientation, then utilize pin, tight
Firmware or any other fixed mechanism appropriate are fixed with this orientation.It alternatively, can by the direct of cylinder to vehicle frame
Rotary attachment provides rotatability of the cylinder relative to vehicle frame.Alternatively, can by the attachment of holder appropriate and vehicle frame come
There is provided rotatability of the cylinder relative to vehicle frame, wherein cylinder may be configured to revolve relative to the holder when being connected to the holder
Turn.This allows to adjust orientation of the cylinder relative to vehicle frame, without cylinder to be mounted on individual shell.
In addition, in the situation that cylinder 14 is attached to shell 40 as described herein, cylinder can be installed to the phase of shell
Close part, with allow cylinder relative to the shell along telescopic arm extension axis (axis P1 or P2, Fig. 2) slidably.Cylinder
Main body can slidably be arranged according to the requirement of concrete application along the shell, then utilized pin, fastener or appointed
What its fixed mechanism appropriate is fixed on given position.It alternatively, can be by the way that holder appropriate or other hardware be attached to
Vehicle frame provides slidability of the cylinder relative to vehicle frame, wherein cylinder can be configured to when being connected to the holder or hardware
It is slided along the holder or hardware.This allows the position for adjusting cylinder along expansion axis, single without cylinder to be mounted on
On only shell.
In addition, leg engagement member 12 can (for example, using pin) may be rotatably coupled to cylinder 14 or arm 114
End, to allow to engage structure about the pedestrian impact path predicted and according to the final expanded position of the component to adjust leg
The angular orientation of part 12.Leg engagement member 12 can be directed as needed, and using any suitable under desired orientation
When method fix.
The other parts of the system can also be that position is adjustable and/or be rotatably adjustable, to be at this ensuring
It realizes after system actuating and is carried while the fully expanded position of leg engagement member 12, in the installation of the system in the car
For flexibility.More specifically, being provided in terms of positioning and attachment of the controllability on system unit to vehicle flexibly
Property, with ensure leg engagement member 12 when being fully deployed in relative to vehicle bumper position D2 and relative to traveling
The position D1 in face, defined by size range as described herein.
In an operation mode, leg mating system 10 is configured to single actuation.Then, the system must by with
Family or repair center are resetted or are reconfigured in a manual manner, for subsequently using.The one of this embodiment is shown in Fig. 2 B
A example, wherein gas generation system (for example, micro gas generator appropriate or MGG) is provided for activating the arm 14
Source of pressurised fluid.After the expansion of the single actuation and the leg mating system of the system, the gas generation system
It must be replaced by repair center.
In another operating mode, leg mating system 10 can automatically reset and be reusable (that is, the system energy
It is enough to reset, the action of the system reset is made without user).An example of this embodiment is shown in Fig. 2A,
Wherein, the operation by controller 22 to the valve gear 51 of the fluid stream for controlling the various pieces for arriving cylinder 14, to control
To the fluid stream of the either side of the piston in cylinder 14.Pressurized fluid is to the flow direction of the either side of piston 14b with known
Mode controls the stretching, extension and retraction of the arm 14.
With reference to figure 1-3, before in the leg, mating system is activated, cause of the leg engagement member 12 in leg mating system
Along being stored in retracted mode or non-deployed condition on the downside of vehicle before dynamic.This is in vehicle cross-country run or along not
Flat road surface prevents the contact between leg engagement member and tread R when driving.Leg mating system 10 is also constructed and pacifies
Dress up the length for not increasing vehicle when the leg engagement member is in stowed position (as illustrated in fig. 1 and 2).
Leg engagement member 12 is usually specified by vehicular manufacturer before the system is activated in the height of upper pavement surface,
And it can be according to the stroke length of the system, any package constraint of the positioning and/or installation that determine the leg mating system
Intended purpose when leg engagement member 12 is stowed away of condition, vehicle and other correlative factors are set, to ensure leg
Portion's engagement member 12 is in upon deployment in the height D1 of upper pavement surface in the expected range for operating validity, as mentioned before.
However, in the embodiments described herein, leg engagement member 12 before actuation (that is, under collapsed state) and tread it
Between distance will be consistently greater than leg engagement member 12 upon deployment with the distance between tread D1.
In a particular embodiment, leg mating system 10 is constructed such that：Shape is packed up when leg engagement member 12 is in
When state, entire leg engagement member 12 is located above the plane limited by the lower edge of vehicle bumper, plane as shown in Figure 3
What B1 was limited.This helps to reduce may be by the extension of leg engagement member 12 when leg engagement member 12 is in stowed position
Aerodynamic drag caused by part below to bumper.
In a particular embodiment, in the range of 150 to 930 millimeters, which indicates to engage when the leg dimension D 1
Component be in be fully deployed with when lock-out state, leg engagement member 12 upper pavement surface height.
With reference to figure 3, dimension D 2 is indicated when leg engagement member 12 is in the when of being fully deployed with lock-out state, connects across leg
Close the perpendicular G of the forefront surface F of component 12 and across the perpendicular P on the forefront surface of front bumper 99
Distance.Therefore, it in following the leg engagement member 12 in the profile of bumper 99, across surface F and follows in bumper wheel
Wide plane P engages structure with passing through surface F and follow in the distance between plane G of leg engagement member profile along the leg
The whole length of part will be constant or substantially invariable.The forefront contact surface of the leg engagement member 12 may be needed to adjust
The distance between bumper plane P D2, to adapt to the operation requirement of different bumpers and Car design.In some embodiments
In, it is desirable to achieve the coplanarity of plane P and plane G or substantially coplanarity (for example, as shown in Figure 2 A).In a particular embodiment,
When leg engagement member 12, which is in, to be fully deployed with lock-out state, leg engagement member plane G is coplanar with the plane P
, deviation range is +/- 50 millimeters.
As described herein, the extendable arms 14 are configured to：It is desired after the actuating of leg mating system 10
In predetermined time, so that leg engagement member 12 is moved to from stowed position (as illustrated in fig. 1 and 2) and shown in Fig. 3 be fully deployed position
It sets.In one embodiment, the arm 14 is only just activated when that will be in contact between thinking vehicle and pedestrian to position leg
Portion's engagement member 12.In this case, leg engagement member 12 must relatively quickly be unfolded, and used scheme is answered
Leg engagement member 12 is located in desired leg bonding station before any contact that can be between vehicle and pedestrian,
In specific embodiment, which is configured to 300 milliseconds after receiving the actuating signal from sensor or controller
It is interior that leg engagement member 12 is located in desired leg bonding station.
In another embodiment, which is constructed such that：When vehicle is in 0-10MPH (miles per hour) range
Speed is advanced and when vehicle is advanced with the speed more than 25MPH, leg engagement member 12 is in stowed position.When vehicle reaches
When to speed more than 10MPH, the arm expansion by leg engagement member 12 to be located in its leg bonding station, and in vehicle
It is restored to collapsed state when reaching more than the speed of 25MPH.In this mode of operation, if it is desired, then leg engagement member
12 more slowly expansion required when can be than that will be contacted with pedestrian.In order to realize the embodiment, the controller can be with can
Mode of operation is connected to any sensor that can be used for measuring or calculate car speed or other devices (for example, speedometer or vehicle
Wheel speed sensor).Leg engagement member 12 needs the specific vehicle speed range being unfolded in period that can be determined by vehicular manufacturer.
In another particular embodiment, which is configured to engage leg when thinking that vehicle and pedestrian will contact
Component 12 is deployed into desired locations, but only vehicle with preset range (for example, between 10MPH to 25MPH, including 10MPH and
Speed in 25MPH) is just such when driving.
In a particular embodiment, which is equipped with system override device or off-stream unit, the system override device or deactivated
Device allows leg mating system 10 under certain condition (for example, during cross-country run, before snowplough is attached to vehicle
When portion, or for any other specific vehicular applications) it is deactivated.In one embodiment, which, which is included in, multiplies
Switch or button in member room, it allows user to close leg mating system 10.In another embodiment, which includes
It is attached to shell 40 or is located at below hood for vehicle engine (being marked as VH in figure) and also can be by the switch of user's operation.To this
The operation of off-stream unit can signal to the controller, to show that without actuating signal actuator arm 14 will be sent to, until
The leg mating system is opened or reactivates, and otherwise, will prevent to transmit actuating signal to arm 14.
Fig. 4 is the block diagram of leg mating system, which is generally in collapsed state, and can be in response to inspection
Measuring will be in contact and be unfolded between vehicle and pedestrian.In the present embodiment, it is incorporated into or is operatively connected to
The one or more sensors 20 of leg mating system 10 detect vehicle front and whether there is pedestrian.Sensor signal is sent to
Controller 22, controller 22 handle or assess the sensor signal according to scheduled leg mating system actuation protocol.Response
In the signal processing as a result, controller generates actuating signal, which is sent to arm 14 or is transmitted to any phase
The flow control mechanism of pass, before making leg mating system 12 be contacted between vehicle and pedestrian so as to cause the actuating of arm 14
Expansion.
In alternate embodiment shown in Fig. 5, arm 14 from sensor in response to being sent directly to arm 14 or relevant fluid
The signal of control mechanism and activated.Signal from sensor or controller appropriate makes the gas generator start, this
So that piston-cylinder sub-assembly is activated.Then piston rod extends from cylinder, so that leg engagement member 12 is unfolded.It can also
Expect other method of deploying.Used any unfolding mechanism all should be able to make leg engage structure in response to actuating signal
Part 12 is unfolded fast enough, to ensure to be fully deployed before contacting between vehicle and pedestrian.
With reference to figure 6, the embodiment of leg mating system 10 can be included in vehicle installing type pedestrian safety systems.Figure
6 show the schematic diagram of an exemplary embodiment of this security system of installation in the car.In figure 6, according to herein
The leg mating system 10 of the embodiment can below front bumper and/or rear be fixed to vehicle 9, as mentioned before.
When activated, the leg engagement member 12 of the system is expanded to institute above in direction shown by arrow Z towards front part of vehicle
The position that can be engaged with the shank of pedestrian stated.
Moreover, as shown in fig. 6, when the leg mating system is fully deployed, leg engagement member 12 to bumper 99 and/
Or it is designed to the other vehicle characteristics parts engaged with the lower limb of pedestrian during contact and forms supplement or risen jointly with them
Effect, to help to support the leg in multiple positions and in the range of from hip regions to down toward shin bone (including shin bone)
Keep the alignment of leg.For example, bumper 99 and/or other front mounted vehicle features can be designed to close down toward knee
Leg-supporting in the range of section (including knee joint).Leg is helped prevent by being engaged in knee part below with leg
The part impacted below front part of vehicle, the leg engagement member 12 of expansion helps to prevent leg in the excessive of knee
Bending, this contributes to the damage for reducing ligamentum patellae.
Leg mating system 10 can be communicated with sensor 20 with operable, the sensor 20 as previously mentioned with place
Manage device or controller (ECU 22) communication.Controller executes known algorithm, to signal to come actuating air generate system or
Valve gear is operatively connected to another source of pressurised fluid of each arm 14 with control.As it was noted above, for can grasp
The actuating and/or control that the source of pressurised fluid of each arm 14 is connected to as mode can be based on any desired standards, for example, institute
The vehicle detected and the practical contact of pedestrian 98 imminent contact and/or any other desired standard.
As it is used herein, term " being similar to ", " about ", " substantially " and similar terms be intended to have in the disclosure
Those of ordinary skill in the theme fields of appearance is usually and the consistent wide in range meaning of the usage that receives.Read present disclosure
It will be appreciated by those skilled in the art that these terms are intended to allow to illustrate certain features, rather than by these
The range of feature is confined to provided exact numerical range.Therefore, these terms, which should be interpreted that, shows for the theme
Unobvious or inessential modification or modification should be considered in the scope of the present invention.
It should be noted that herein the term " exemplary " for describing various embodiments be intended to indicate that these embodiments are can
Can embodiment possibility example, diagram and/or illustration, and to be not meant as these embodiments necessarily outstanding for this term
Or best example.
Terms used herein " connection ", " connection " etc. refer to that two components combine directly or indirectly to one another.This knot
Conjunction can be static (for example, fixed) or moveable (for example, can be removed or releasable).This combination can pass through
Either two components are formed integrally with each other with any additional intermediate member for single entirety or by two two components
A component or two components are attached to each other with any additional intermediate member to realize.
Description attached drawing is only used for the citation of position of components (such as " top ", " bottom ", " top ", " lower section " etc.) herein
In various elements orientation.It should be noted that according to other exemplary embodiments, the orientation of various elements can change, and
It should be noted that these variations are also intended to and are covered by the disclosure.
It will be understood that the description above for various embodiments is only for exemplary purposes.Therefore, disclosed herein each
In kind structure and operational feature is easy to carry out various modifications, these modifications are all without departing from scope of the appended claims.
Claims (19)
1. a kind of active leg mating system comprising：
The leg engagement member that can be selectively unfolded；
Shell, the shell are configured to be attached to a part for vehicle；And
The leg engagement member is operatively connected to the shell by least one arm, at least one arm；
Wherein, the shell includes first part and second part, and the second part is configured to be connected to described first
It can be slided relative to the first part when part, to adjust the width dimensions of the shell.
2. leg mating system according to claim 1, wherein the leg engagement member is configured to before actuation
In stowed position, and wherein, the leg engagement member is configured to be moved to before vehicle and pedestrian contact
Expanded position, when so as in front of the front bumper that pedestrian is located at vehicle, at the position under the knee of pedestrian and pedestrian
Leg engages.
3. leg mating system according to claim 2, wherein the system is configured to：Detecting that pedestrian is located at
When in front of the front bumper of vehicle, the leg engagement member is made to be moved to the expanded position.
4. leg mating system according to claim 2, wherein the system is configured to：When the speed of vehicle reaches
When 10 miles per hour, the leg engagement member is made to be moved to the expanded position.
5. leg mating system according to claim 4, wherein the system is configured to：When car speed is more than 25
When miles per hour, the leg engagement member is made to return to the stowed position.
6. leg mating system according to claim 1, wherein at least one arm includes a pair of is separated from each other
The leg engagement member is operatively connected to the associated section of vehicle by arm, each arm.
7. leg mating system according to claim 1, wherein at least one arm is piston-cylinder sub-assembly shape
The telescopic arm of formula.
8. leg mating system according to claim 7, wherein the piston-cylinder sub-assembly is stroke adjusting flexible
Plug-cylinder combination.
9. leg mating system according to claim 1, wherein at least one arm is rotatable arm.
10. leg mating system according to claim 9 further includes at least one rotary actuator, and described at least one
A rotary actuator is operatively connected at least one rotatable arm, and is configured to engage in the leg
Make at least one arm rotation when system is activated.
11. leg mating system according to claim 1, wherein at least one arm is operatively connected to
The shell is so as to the first position that is moved to for the shell along the shell and can be fixed on institute
State first position.
12. leg mating system according to claim 1, wherein the shell is constructed such that：The width of the shell
Degree size can be adjusted to the first width and can be fixed with first width.
13. leg mating system according to claim 1, wherein at least one arm is operatively connected to
The shell is so as to which first rotated to for the shell orients and can be with first directional at-tachment.
14. leg mating system according to claim 1, wherein the leg mating system (10) is constructed such that：
When the leg engagement member is in collapsed state, the entire leg engagement member is located to be limited by the lower edge of front bumper
Above fixed plane.
15. leg mating system according to claim 1 further includes that user is allowed to deactivate stopping for the system in a manual manner
Use device.
16. leg mating system according to claim 2, wherein the system is constructed such that：When the leg connects
Close component when being in the deployed state across first perpendicular on the forefront surface of the leg engagement member with pass through
Second perpendicular on the forefront surface of front bumper is coplanar.
17. a kind of pedestrian safety systems comprising leg mating system according to claim 1.
18. a kind of vehicle comprising leg mating system according to claim 1.
19. a kind of vehicle comprising pedestrian safety systems according to claim 17.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361910265P | 2013-11-29 | 2013-11-29 | |
| US201361910270P | 2013-11-29 | 2013-11-29 | |
| US61/910,265 | 2013-11-29 | ||
| US61/910,270 | 2013-11-29 | ||
| PCT/US2014/067983 WO2015081344A2 (en) | 2013-11-29 | 2014-12-01 | Active lower leg engagement system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105793120A CN105793120A (en) | 2016-07-20 |
| CN105793120B true CN105793120B (en) | 2018-11-02 |
Family
ID=56390427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480065297.8A Expired - Fee Related CN105793120B (en) | 2013-11-29 | 2014-12-01 | Active shank mating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105793120B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6754323B2 (en) * | 2017-06-08 | 2020-09-09 | 本田技研工業株式会社 | Body front structure |
| CN107627992A (en) * | 2017-08-25 | 2018-01-26 | 北京新能源汽车股份有限公司 | A kind of traffic protection system and automobile |
| CN107914661A (en) * | 2017-12-08 | 2018-04-17 | 重庆长安汽车股份有限公司 | A kind of vehicle device for protecting legs of passersby, system and automobile |
| CN115214523B (en) * | 2021-03-31 | 2023-11-10 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394512B1 (en) * | 2000-12-15 | 2002-05-28 | Ford Global Technologies, Inc. | Vehicle bumper system |
| GB0201199D0 (en) * | 2002-01-19 | 2002-03-06 | Ford Global Tech Inc | A motor vehicle and a bumper assembly therefor |
| US6942261B2 (en) * | 2003-08-14 | 2005-09-13 | Autoliv Asp, Inc. | Linear actuator with an internal dampening mechanism |
| US7757804B1 (en) * | 2008-05-05 | 2010-07-20 | Li Phillip S | Pedestrian vehicle collision safety system |
| CN202783042U (en) * | 2012-07-02 | 2013-03-13 | 北京汽车股份有限公司 | Bumper system and automobile |
-
2014
- 2014-12-01 CN CN201480065297.8A patent/CN105793120B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105793120A (en) | 2016-07-20 |
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