CN105793120A - Active lower leg engagement system - Google Patents
Active lower leg engagement system Download PDFInfo
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- CN105793120A CN105793120A CN201480065297.8A CN201480065297A CN105793120A CN 105793120 A CN105793120 A CN 105793120A CN 201480065297 A CN201480065297 A CN 201480065297A CN 105793120 A CN105793120 A CN 105793120A
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- leg
- engagement member
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- mating system
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- 238000010586 diagram Methods 0.000 description 15
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- 210000001699 lower leg Anatomy 0.000 description 6
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- 208000018982 Leg injury Diseases 0.000 description 1
- 206010061225 Limb injury Diseases 0.000 description 1
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Abstract
An active leg engagement system (10) for a vehicle includes a selectively deploy able leg-engaging member (12).
Description
The cross reference of related application
This application claims the U.S. Provisional Application No.61/910 all submitted on November 29th, 2013, the priority of 270 and 61/910,265, the complete disclosure of above-mentioned U. S. application is expressly incorporated herein by way of reference.
Background technology
At present, in SUV and light truck, it is generally difficult to and alleviates the leg injury to pedestrian and prevent pedestrian from " piercing " under-vehicle after the vehicle advanced with pedestrian contact.This is owing to the vehicle of these types is generally of higher bumper height, and is difficult to, due to the requirement of vehicle style, cross-country ability demand and other factors, the bottom installing type energy absorbing members that encapsulation is fixing.Therefore, for being designed to the detection when pedestrian collides with SUV or light truck, catching and support the proactive system of pedestrian shank, there is demand.
Summary of the invention
In of embodiment as herein described, include the leg engagement member that can optionally launch for the active leg mating system of vehicle.
Embodiment as herein described another in, it is provided that a kind of leg mating system for vehicle.This system includes the leg engagement member that can launch, and is configured so that this leg engagement member is in stowed position before actuation.This system is also configured such that described leg engagement member can move to expanded position before vehicle with pedestrian contact, between this expanded position, the tread residing for the front bumper remaining at least partially within vehicle of described leg engagement member and vehicle.
Accompanying drawing explanation
Accompanying drawing illustrates embodiments of the invention and for explaining principles of the invention together with written description, and these accompanying drawings are merged in description and constitute the part of this specification.
Fig. 1 is the partial side view of vehicle front, and this vehicle includes the leg mating system according to an embodiment described herein, and this leg mating system is shown at collapsed state or activates front state.
Fig. 2 is the fragmentary, perspective view of the downside of the vehicle front of Fig. 1, it is shown that the embodiment of the leg mating system shown in Fig. 1.
Fig. 2 A is the schematic diagram of the leg mating system according to an embodiment described herein, and this leg mating system is shown at its fully unfolded position or extended configuration.
Fig. 2 B is the schematic diagram of the leg mating system according to another embodiment described herein, and this leg mating system is shown at its fully unfolded position or extended configuration.
Fig. 3 is the side view of Fig. 1, it is shown that be in the embodiment of the leg mating system of its fully unfolded position or extended configuration.
Fig. 4 is the schematic block diagram of the leg mating system according to an embodiment described herein.
Fig. 5 is the schematic block diagram of the leg mating system according to another embodiment described herein.
Fig. 6 shows the schematic diagram of the leg mating system according to an embodiment described herein, and this leg mating system is in its fully unfolded position to engage the leg of pedestrian.
Fig. 7 is the schematic diagram of an embodiment of the housing of leg mating system, and other element of this leg mating system can be attached to this housing, in order to this system is arranged in vehicle.
Fig. 7 A is the schematic diagram of the housing of leg mating system, and other element of another embodiment of leg mating system can be attached to this housing, in order to this system is arranged in vehicle.
Fig. 8 A is the swing type leg mating system according to an embodiment described herein, and this leg mating system is shown in collapsed state or activates front state.
Fig. 8 B is the schematic diagram of the embodiment of the swing type leg mating system shown in Fig. 8 A.
Fig. 9 A is the schematic diagram of the swing type leg mating system according to another embodiment described herein, and this swing type leg mating system is shown in collapsed state or activates front state.
Fig. 9 B is the schematic diagram of the embodiment of the swing type leg mating system shown in Fig. 9 A.
Detailed description of the invention
In the whole description to multiple accompanying drawings, same accompanying drawing labelling represents same parts.It addition, although the size for various features described herein can mention desired value, it should be appreciated that these values can change due to various factors (such as manufacturing tolerance), and, these changes are also in the desired extent of embodiment described herein.
Fig. 1-7 illustrates the various embodiments of vehicle installing type leg mating system (being designated generally as 10).This leg mating system includes leg engagement member 12, this leg engagement member 12 can move to the precalculated position for road surface or tread, to engage with the shank below pedestrian's knee when vehicle contact pedestrian, or vehicle with after pedestrian contact as early as possible shank with pedestrian engage.In a particular embodiment, leg engagement member 12 is oriented to: when this system is launched, contact with the bottom 1/2 of the tibia of the adult pedestrian being positioned at vehicle bumper 99 front.In the fully expanded position of leg engagement member 12, leg engagement member 12 contributes to preventing pedestrian from " piercing " under-vehicle when colliding.As it is used herein, this term " piercing " refers to after vehicle and pedestrian contact, the part of pedestrian or pedestrian moves to the front bumper of traveling vehicle and/or the lower section of vehicle body.
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 follow in the curvature being placed exactly in part above leg engagement member when this component is in deployed condition of vehicle front bumper or have the curvature identical with this part of vehicle front bumper.Leg engagement member 12 can be formed by any suitable energy-absorbing material, for instance foamed materials, polymer, rubber, silica gel, one or more metal materials etc..Leg engagement member 12 can also be formed by expandable bag, diaphragm or container, it can in response to actuated signal by suitable gas generation system (such as, the trigger coupled to operably with this container or gas generation system) or other expansion fluid source (such as, with the operation by compressor and air pipe line that the bin that is inflated couples to operably) expand.
In a particular embodiment, depend on the type of energy-absorbing material, the availability interval between described tread and vehicle bumper and other the correlative factor that use in this leg engagement member, represent this leg engagement member along the height of this component surface contacted with pedestrian lower leg or the size H of thickness in the scope of 20 to 150 millimeters.
In the embodiments described herein, leg mating system 10 is Active mechanism, this means that this leg engagement member 12 can be packed up or retract (that is, non-deployed) state (as illustrated in fig. 1 and 2) is deployed into and is designed to its fully unfolded position that the leg with pedestrian engages from common in response to the generation of certain predetermined state or one group of predetermined state.Between vehicle and pedestrian before contact, first arrive this fully expanded position.
In certain embodiments, leg engagement member 12 is installed on the actuator, and described actuator is the form of one or more telescopic arm 14, and leg engagement member 12 is connected to a part for vehicle by this telescopic arm 14 to operably.Embodiment shown in Fig. 1-5 employs two telescopic arms being spaced apart from each other 14, is wherein connected to an arm near each end of leg engagement member 12.However, it is possible to use the telescopic arm of any desired number.And, depending on the requirement operationally, in structure or in size in concrete application, arm 14 can be connected to leg engagement member 12 at any one or the multiple desired locations place along this component.
With reference to Fig. 2 A, in one embodiment, each arm 14 is the form of pneumatically or hydraulically piston-cylinder molectron.Piston rod 14a is attached to piston, in order to along with this piston (not shown) moves together.A part for this leg engagement member is attached to the end of each piston rod 14a.In known manner, pressure fluid is made to be introduced in cylinder (or at gas In-Cylinder Flow) actuating of leg mating system 10, so that piston 14b moves along the inside of its associated cylinder.The movement of piston 14b causes the movement of the bar 14a with piston attachment, and makes the fully expanded position that move to this leg engagement member corresponding to the leg engagement member 12 of the end of bar 14a attachment.
Fig. 2 A illustrates an example of the system of the actuatable arm 14 that have employed piston-cylinder molectron form.Except arm 14 and leg engagement member 12, this embodiment of described system also includes: the controller 22 coupled with arm 14, for controlling the expansion of leg engagement member 12 according to preassigned；And one or more source of pressurised fluid and relevant fluid flow control mechanism (including valve gear, solenoid etc.), they are connected to controller 22 and cylinder 14 to operably and are configured to be supplied to by pressure fluid when needed described arm.
Arm 14 can be constructed, directed and be connected to vehicle to operably, make: the longitudinal axis parallel to each other of described arm or advance axis P1 and P2 point to towards the final expanded position of leg engagement member 12 or be directed at the final expanded position of leg engagement member 12, and, when described arm activated, the stroke of described arm makes leg engagement member 12 move to desired fully expanded position.
Source of pressurised fluid for this system such as may include that the bin by being inflated for the compressor of pneumatic system and the operation of other well known elements；For the bin of hydraulic system, pump and other well known elements；Gas generation system as shown in Figure 2 B (for example, as it is known that minitype gas generate system or MGG) 97；Or other suitable fluid source any.Independent source of pressurised fluid can be connected to each cylinder 14 to operably.Alternatively, the source of pressurised fluid shared can be connected to two arms 14.
Controller 22 can be the system controller being arranged in vehicle, or this controller can be special leg mating system controller.
Leg mating system 10 can be activated by the signal received from suitable (one or more) sensor 20, or is activated by the signal received from controller 22 in response to the sensor input received by controller 20.Described (one or more) sensor is formed under the car speed in working range as herein described and detects whether there is pedestrian outside at least one set a distance of vehicle front, and this distance is enough to allow, before vehicle with pedestrian contact, described leg engagement member is positioned at leg bonding station.The type of operable sensor includes known radio radar sensor, laser radar sensor, vision sensor or other suitable sensor any, these sensors are configured to whether detection vehicle front exists pedestrian and produce leg mating system actuated signal in time, to activate described system before contact between pedestrian and vehicle.For detecting whether the sensor 20 that there is pedestrian can be existing vehicle sensors or special leg mating system sensor, these sensors are connected to leg mating system controller 22 to operably, or it is directly coupled to elements below: such as, is formed at the gas generation system that when receiving suitable control signal, pressure fluid is fed to described arm.
In another embodiment (not shown), telescopic arm 14 is spring-loaded.Before the expansion of leg engagement member 12, described arm is maintained at stowed position or retracted position by disengagable locking (such as, using suitable solenoid).Suitable spring member is constructed and is connected to described arm to operably, in order to disabled in described locking or described arm is quickly pushed to extended position or expanded position when releasing.Described locking can be disabled by the system activation signal received from controller.In response to from sensor device (such as, suitable radio radar, laser radar, visual system etc.), show to be likely to be about to the signal of pedestrian contact and send this controller signals.Before this allows the contact between vehicle and pedestrian, described spring-loaded arm stretches and leg engagement member 12 moves to its fully expanded position.When described locking is disabled, described arm stretches, and leg engagement member 12 is thus positioned at its final fully expanded position.Leg engagement member 12 can reset after a while (such as, in a manual manner), for subsequent use.
With reference to Fig. 8 A-9B, in other embodiments, leg engagement member 12 is arranged on one or more swingable expansion arm 114, and leg engagement member is connected to a part for vehicle by described arm 114 to operably.Embodiment shown in Fig. 8 A-9B employs two and launches arm, is wherein respectively arranged with an arm near each end of this component and is connected to leg engagement member 12.However, it is possible to use the expansion arm of any desired number.And, depending on the requirement operationally, in structure or in size in concrete application, arm 114 can be connected to this leg engagement member in any desired position in multiple positions.It addition, arm 114 can rotatably be connected to housing 40 or be directly coupled to a part (such as vehicle frame 90) for vehicle.Additionally, except controller 22 and any required sensor, each embodiment shown in Fig. 8 A-9B can include any source of pressurised fluid, valve gear, electronic-controlled installation and/or other parts any as is generally known in the art and needed for the function of specific embodiment as herein described.
In the embodiment shown in Fig. 8 A-9B, before this leg mating system activated, arm 114 and the leg engagement member 12 with arm 114 attachment are in collapsed state, as mentioned before.But, it not the longitudinal axis along this arm as described in above for arm 14 stretches and retracts so that leg engagement member 12 launches, but, arm 114 is connected to vehicle to operably, or to rotate along predetermined circular arc revolution relative to vehicle, thus leg engagement member 12 is launched.
Fig. 8 A illustrates swingable arm and the leg engagement member 12 of state before being in collapsed state or activating.In the embodiment shown in Fig. 8 A-8B, after system activation, described expansion arm 114 such as swings generally downward shown in arrow MM from its stowed position or rotates, to navigate to below bumper by attached leg engagement member 12, as shown in Figure 8 B.
Fig. 9 A illustrates in another embodiment of this system, be in collapsed state or activate before the swingable arm of state and leg engagement member 12.In the specific embodiment shown in Fig. 9 A-9B, after system activation, described expansion arm 114 moves from its stowed position, also swung downward or rotation generally forwards as Suo Shi arrow M ' M ', so that leg engagement member 12 is navigated to below bumper, as shown in Figure 9 B.
Arm 114 can be connected to the known rotary actuator (being designated generally as 55) of any suitable type to operably, for instance stepper motor and the sensor that is associated and/or position coder and other hardware；Stepper motor and the gear train, sensor and/or the position coder that are associated and other hardware；Known fluid dynamic rotary actuator and the hardware being associated, or other suitable rotary actuator any.This actuator can obtain from each suppliers.Independent rotary actuator 55 can be connected to each arm 114, or the two arm can be rotated (as shown in Figure 7 A) by single rotary actuator.By according to some because usually specifying the type of rotary actuator used, such as this leg mating system will be positioned in vehicle dimension enveloping surface (sizeenvelope) therein, torque request for the leg engagement member 12 of particular design and turning arm 114 and other correlative factor.
Rotary actuator 55 is connected to controller 22 to operably.When receiving actuated signal from this controller (and as described herein other position), described rotary actuator is started working so that arm 114 is downwards and/or along desired arc swing, until leg engagement member 12 arrives its expanded position.If it is required, then one or more hard retainer (not shown) can be connected to arm 114 to operably, to be limited the rotary motion of described arm by mode as known in the art.
This leg mating system is also configured to be applied to the counteracting force on leg engagement member in response to by the pedestrian contacting this component and leg engagement member 12 is maintained at fully expanded position.Using pressure fluid to come in an embodiment of stretching, extension of control arm, this counteracting force can be absorbed in known manner by the pressure fluid in described arm.
At specific embodiment (such as, adopt the embodiment of elastic loading arm as herein described) in, locking mechanism (not shown) can be merged in (or being connected to operably) this leg mating system, for leg engagement member 12 being locked in expanded position or launching orientation.This locking mechanism can engage automatically when leg engagement member 12 arrives fully expanded position, and can depart from a manual manner and the position of this leg engagement member 12 that resets, in order to use additionally.Any various known mechanism or method can be used to leg engagement member 12 is maintained at expansion orientation or deployed condition.
In one embodiment, above-mentioned leg mating system 10 is built in the structure of vehicle, for enabling the mechanism that leg engagement member 12 launches to be connected to vehicle control device to operably and/or to be connected to the sensor being arranged in vehicle during manufacture.In a particular embodiment, leg engagement member 12 is expandable members, and it is stored in the cavity being formed in vehicle bumper with contraction state.The actuated signal coming sensor or controller triggers the gas generation system coupled to operably with the inside of leg engagement member 12, makes this component expansion to produce gas-pressurized.After the expansion, leg engagement member 12 may remain in swelling state or deployed condition, until expanding gas is released and leg engagement member 12 is reloaded in bumper for follow-up use.By using the gas generation system of fast-acting, it is allowed to after vehicle sensors 20 responds and detects very close to the pedestrian of front part of vehicle, the relatively quick expansion of leg engagement member 12.
For being determined by following factor at the concrete grammar with this leg engagement member 12 of the prelocalization of pedestrian contact: such as, this leg mating system is mountable to available enveloping surface size therein；Whether this leg engagement member in normal vehicle run duration deployment and retraction, or only just will launch when thinking and being about to pedestrian contact；The response time of this system (from detect pedestrian to pedestrian contact before this leg engagement member is positioned at expanded position)；This leg engagement member distance from stowed position to expanded position, and other correlative factor.
In adopting swingable or the embodiment of rotatable arm 114, described arm can be configured to allow regulate described arm length (such as, use telescopic structure), or to can be configured to allow to change following distance D9 (see Fig. 9 B): this distance D9 be the distance between described arm pivot position on housing or vehicle and the leg engagement member 12 attachment location on arm 114.This provides extra motility in the location of leg engagement member 12, as is described elsewhere herein.
In a particular embodiment, this leg mating system includes housing 40, other parts of this leg mating system are (such as, leg engagement member 12, sensor 20, controller 22, telescopic arm 14 and any relevant actuating mechanism (not shown), and any other expectation parts) may be mounted to this housing 40, to form module of another the suitable part that can be fixed to vehicle frame or vehicle.This housing allows to be installed to the parts of leg mating system this housing and fixes these parts position relative to each other and orientation, consequently facilitating the correct operation of the installation of this leg mating system and this system.This housing also allows for more easily being retrofitted on existing vehicle this leg mating system.Installing auxiliary part (such as suitable backing plate or mounting bracket (not shown)) can also be used for helping this housing is attached to given vehicle.
Fig. 7 is adapted for the schematic diagram of an embodiment of the housing 40 of other leg mating system parts mounted thereon.In the embodiment shown in fig. 7, housing 40 includes Part I 40a and Part II 40b, this Part II 40b and is formed at when being connected to Part I and can slide relative to Part I or can otherwise adjusting position.In an illustrated embodiment, Part I 40a and Part II 40b is configured to allow for regulating the width W of this housing (when mounted in the vehicle, its front and back axis being perpendicular to vehicle extends), and allow described housing parts fix in position to keep desired width dimensions.This adjustability of case width is easy to this housing and is attached to the vehicle frame of various sizes.After housing parts 40a, 40b are fixed relative to put in place, other element of this leg mating system may utilize securing member, welding or other one or more suitable methods any and is attached to described housing parts.This housing can be formed by any suitable one or more materials (such as, metal material, polymer etc.).As shown in the figure and according to an embodiment as herein described, telescopic arm 14 can be attached to described housing parts.
Fig. 7 A is analogous to the schematic diagram of Fig. 7, it is shown that swingable or rotatable arm 114 is attached to the embodiment of housing 40.In the embodiment shown in Fig. 7 A, arm 114 is shown as being rotatably attached to housing parts 40a, 40b.Arm 114 is rotated by the single rotary actuator 55 being connected to described arm and housing 40 (or being directly coupled to vehicle) to operably.Alternatively, each arm 114 all can be connected to independent rotary actuator to operably.
It addition, other element of this leg mating system can housing parts 40a, 40 be fixed relative in place before be attached to described housing parts.This allows the requirement according to concrete application and regulates case width W when other system element is attached, to be attached to the part of particular vehicle.
In another embodiment, housing 40 is formed with the single integral structure of non-adjustable width W.Width dimensions W is designated, in order to this housing is installed to the vehicle frame in particular vehicle design or part.
As described herein, according to one or more operator schemes as herein described, described module can include or be connected to operably existing vehicle control device and/or (one or more) sensor, or described module can be independent, including himself be formed at vehicle and pedestrian contact before controller that leg engagement member 12 is activated and/or (one or more) sensor.
In a particular embodiment, this leg mating system is constructed such that: the final position of the various parts of this leg mating system and/or orientation are adjustable relative to the vehicle sections that they to be installed to.Such as, cylinder 14 can be stroke adjustable cylinder.This cylinder is known in the related art, and can any one from various suppliers obtain, for instance TRDManufacturing, the Inc company of MachesneyPark, IL.
And, it is attached in the situation of housing 40 as described herein at cylinder 14, a part for each cylinder can be rotatably attached to the housing parts being associated, directed to allow the requirement according to concrete application to regulate the angle cylinder for described housing.This cylinder can pivot around the portion of being rotatably connected to provide desired angular orientation, then utilizes pin, securing member or other suitable fixed mechanism any to be fixed with this orientation.Alternatively, the cylinder rotatability relative to vehicle frame can be provided by the direct rotatable attachment of cylinder to vehicle frame.Alternatively, can providing the cylinder rotatability relative to vehicle frame by the attachment of suitable support Yu vehicle frame, wherein, cylinder may be configured to rotate relative to this support when being connected to this support.This allows to regulate cylinder relative to the orientation of vehicle frame, is arranged on independent housing without by cylinder.
It addition, be attached in the situation of housing 40 as described herein at cylinder 14, cylinder can be installed to the relevant portion of housing, with allow cylinder relative to this housing along telescopic arm extension axis (axis P1 or P2, Fig. 2) slidably.Cylinder main body slidably can be arranged along this housing according to the requirement of concrete application, then utilizes pin, securing member or other suitable fixed mechanism any to be fixed on given position.Alternatively, can providing the cylinder slidability relative to vehicle frame by suitable support or other hardware are attached to vehicle frame, wherein, cylinder can be configured to slide along this support or hardware when being connected to this support or hardware.This allows to regulate cylinder along the position launching axis, is arranged on independent housing without by cylinder.
Additionally, leg engagement member 12 can (such as, use pin) may be rotatably coupled to cylinder 14 or the end of arm 114, to allow the final expanded position about the pedestrian crashes path predicted and according to this component to regulate the angular orientation of leg engagement member 12.Leg engagement member 12 can be directed as desired, and uses any suitable method to fix under desired orientation.
The other parts of this system can also be that position is adjustable and/or be rotatably adjustable, in order to while guaranteeing to realize the fully expanded position of leg engagement member 12 after this system activation, provides motility in this system installation in vehicle.More specifically, motility is provided in described controllability location on system unit to vehicle and attachment, to ensure that leg engagement member 12 is in the position D2 relative to vehicle bumper and the position D1 relative to tread when fully deployed, size range as described herein limits.
In an operator scheme, leg mating system 10 is configured to single actuation.Then, this system must be resetted in a manual manner by user or repair center or be reconfigured, for follow-up use.Having illustrated an example of this embodiment in Fig. 2 B, wherein, gas generation system (such as, suitable micro gas generator or MGG) provides the source of pressurised fluid for activating described arm 14.After the single actuation of this system and the expansion of described leg mating system, this gas generation system must be changed by repair center.
In another operator scheme, leg mating system 10 can automatically reset and be reusable (that is, this system can reset, and makes the action of this system reset without user).Fig. 2 A illustrates an example of this embodiment, wherein, by controller 22 to being used for controlling the operation of the valve gear 51 of the fluid stream of the various piece to cylinder 14, the fluid stream of the either side of the piston controlled in cylinder 14.Pressure fluid controls stretching, extension and the retraction of described arm 14 in known manner to the flow direction of the either side of piston 14b.
With reference to Fig. 1-3, before this leg mating system activated, leg engagement member 12 was stored in retracted mode or non-deployed condition before the actuating of leg mating system along the downside of vehicle.The contact between leg engagement member and tread R is prevented when this is in vehicle cross-country run or along uneven road traveling.Leg mating system 10 is also constructed and is mounted to not increase when this leg engagement member is in stowed position (as illustrated in fig. 1 and 2) length of vehicle.
Leg engagement member 12 height at upper pavement surface before this system activated generally is specified by vehicular manufacturer, and can set according to any package constraint condition of the haul distance of this system, the location determining this leg mating system and/or installation, the vehicle intended purpose when leg engagement member 12 is packed up and other correlative factor, to ensure that leg engagement member 12 is in the expected range of operation effectiveness at the height D1 of upper pavement surface upon deployment, as mentioned before.But, in the embodiments described herein, leg engagement member 12 distance (that is, under collapsed state) and between tread before actuation will be consistently greater than the leg engagement member 12 distance D1 upon deployment and between tread.
In a particular embodiment, leg mating system 10 is constructed such that: when leg engagement member 12 is in collapsed state, and whole leg engagement member 12 is positioned at above the plane limited by the lower limb of vehicle bumper, and plane B1 as shown in Figure 3 limits.This contributes to reducing and is likely to when leg engagement member 12 is in stowed position be extended to, by leg engagement member 12, the aerodynamic drag that the part below bumper causes.
In a particular embodiment, dimension D 1 is in the scope of 150 to 930 millimeters, and this dimension D 1 represents when this leg engagement member is in fully deployed and lock-out state, leg engagement member 12 is at the height of upper pavement surface.
With reference to Fig. 3, dimension D 2 represents when being in fully deployed and lock-out state when leg engagement member 12, through leg engagement member 12 forefront surface F perpendicular G and through the distance the perpendicular P on the forefront surface of front bumper 99.Therefore, following in the leg engagement member 12 of the profile of bumper 99, through surface F and follow in the plane P of bumper profile and will be constant or substantially invariable through surface F and the distance of following in the plane G of leg engagement member profile along the whole length of this leg engagement member.It is likely to need to regulate the distance D2 between the forefront contact surface of this leg engagement member 12 and bumper plane P, to adapt to the operation requirement of different bumper and Car design.In certain embodiments, it is desirable to achieve the coplanarity of plane P and plane G or substantially coplanarity (such as, as shown in Figure 2 A).In a particular embodiment, when being in fully deployed and lock-out state when leg engagement member 12, leg engagement member plane G and described plane P is coplanar, and deviation range is +/-50 millimeters.
As described herein, described extendable arms 14 is configured to: in the desired scheduled time after the actuating of leg mating system 10, makes leg engagement member 12 move to the fully expanded position shown in Fig. 3 from stowed position (as illustrated in fig. 1 and 2).In one embodiment, described arm 14 is only just activated when thinking and being about between vehicle and pedestrian come in contact with positioning leg portions engagement member 12.In this case, leg engagement member 12 must relatively quickly launch, and leg engagement member 12 should be able to be positioned at desired leg bonding station before any contact between vehicle and pedestrian by the scheme adopted, in a particular embodiment, this system be formed at the actuated signal receiving sensor or controller after 300 milliseconds in leg engagement member 12 is positioned at desired leg bonding station.
In another embodiment, this system is constructed such that: when vehicle is advanced with the speed in 0-10MPH (miles per hour) scope and advances with the speed more than 25MPH when vehicle, leg engagement member 12 is in stowed position.When vehicle reaches more than the speed of 10MPH, described arm launches so that leg engagement member 12 to be positioned at its leg bonding station, and returns to collapsed state when vehicle reaches more than the speed of 25MPH.In this mode of operation, if it is desired, then leg engagement member 12 can than more slowly expansion required when being about to contact with pedestrian.In order to realize this embodiment, described controller can be connected to any sensor that can be used for measuring or calculating car speed or other device (such as, velometer or wheel speed sensor) to operably.Leg engagement member 12 needs the concrete vehicle speed range launched in period can be determined by vehicular manufacturer.
In another specific embodiment, this system is formed at thinks that leg engagement member 12 is deployed into desired locations when being about to contact with pedestrian by vehicle, but only at vehicle with preset range (such as, between 10MPH to 25MPH, including 10MPH and 25MPH) in speeds time just such.
In a particular embodiment, this system is provided with system override device or off-stream unit, this system override device or off-stream unit allow leg mating system 10 under certain condition (such as, during cross-country run, when snowplough is attached to front part of vehicle, or for other specific vehicular applications any) it is deactivated.In one embodiment, this off-stream unit includes the switch in crew department or button, and it allows user to close leg mating system 10.In another embodiment, this off-stream unit includes being attached to housing 40 or is located at hood for vehicle engine (being marked as VH in figure) lower section and also can by the switch of user operation.The operation of this off-stream unit can being signaled to described controller, thus showing to be sent to actuator arm 14 without actuated signal, until this leg mating system is opened or reactivates, otherwise, prevention being transmitted actuated signal to arm 14.
Fig. 4 is the block diagram of leg mating system, and this leg mating system is generally in collapsed state, and can be about between vehicle and pedestrian come in contact in response to detecting and launch.In the present embodiment, it is merged in or is connected to one or more sensors 20 of leg mating system 10 to operably and detects whether vehicle front exists pedestrian.Sensor signal is sent to controller 22, and controller 22 processes or assess this sensor signal according to predetermined leg mating system actuation protocol.Result in response to this signal processing, controller produces actuated signal, this actuated signal is sent to arm 14 or is sent to any relevant flow control mechanism, thus launching before causing the actuating of arm 14 and making leg mating system 12 contact between vehicle and pedestrian.
In the alternate embodiment shown in Fig. 5, arm 14 activated in response to being sent directly to the signal of arm 14 or relevant flow control mechanism from sensor.The signal coming sensor or suitable controller makes described gas generator start, and this makes piston-cylinder molectron activated.Then piston rod extends from cylinder, so that leg engagement member 12 launches.It is also contemplated that other method of deploying.Any development mechanism used all should be able to make leg engagement member 12 launch fast enough in response to actuated signal, with fully deployed before guaranteeing to contact between vehicle and pedestrian.
With reference to Fig. 6, the embodiment of leg mating system 10 can be included in vehicle installing type pedestrian safety systems.Fig. 6 illustrates the schematic diagram of an exemplary embodiment of this security system being arranged in vehicle.In figure 6, according to the leg mating system 10 of embodiment described herein can below front bumper and/or rear be fixed to vehicle 9, as mentioned before.When activated, the leg engagement member 12 of this system is expanded to the previously described position that can engage with the shank of pedestrian towards front part of vehicle in direction shown by arrow Z.
And, as shown in Figure 6, when this leg mating system is fully deployed, bumper 99 and/or other vehicle characteristics part of being designed to engage with the lower limb of pedestrian during contacting are formed and supplement or concur with them by leg engagement member 12, to help to support described leg in multiple positions and from hip regions down to the alignment of maintenance leg in the scope of tibia (including tibia).Such as, bumper 99 and/or other anterior mounted vehicle feature can be designed at the scope inner support leg down to knee joint (including knee joint).Helping prevent this part of leg to be impacted below front part of vehicle by engaging with the part below knee of leg, the leg engagement member 12 of expansion contributes to the macrobending excessively preventing leg in knee, this damage contributing to reducing ligamentum patellae.
Leg mating system 10 can communicate with operable with sensor 20, and this sensor 20 communicates with processor or controller (ECU22) as previously mentioned.Controller performs known algorithm, thus the actuating air that signals generates system or valve gear, to control to be connected to operably another source of pressurised fluid of each arm 14.As mentioned before, actuating and/or control for being connected to the source of pressurised fluid of each arm 14 to operably can based on any desired standards, such as, detected vehicle contacts or imminent contact with the actual of pedestrian 98, and/or other desired standard any.
As it is used herein, term " being similar to ", " about ", " substantially " and similar terms are intended to have the wide in range implication that usage that is usual with the those of ordinary skill in the theme art of present disclosure and that receive is consistent.That reads present disclosure it will be appreciated by those skilled in the art that these terms are intended to allow some described feature is illustrated, but not the scope of these features is confined to the exact numerical scope provided.Therefore, these terms should be interpreted that and show should be considered within the scope of the present invention for the inconspicuous of described theme or inessential amendment or modification.
It should be noted that, term " exemplary " for describing various embodiment is intended to indicate that these embodiments are the possible example of possible embodiment, diagram and/or illustration herein, and this term is not meant as the example that these embodiments are necessarily outstanding or best.
Terms used herein " connection ", " connection " etc. refer to that two components combine directly or indirectly to one another.This combination can be static (such as, fixed) or moveable (such as, removable or releasable).This combination can be formed integrally with each other by two components or this two components and any additional intermediate member and realize for single entirety or be attached to one another with any additional intermediate member by two components or this two components.
Herein to the citation (such as " top ", " bottom ", " top ", " lower section " etc.) of position of components only for describing the orientation of the various elements in accompanying drawing.It should be noted that, according to other exemplary embodiment, the orientation of various elements can change, and it should be noted that these changes are also intended to be contained by the disclosure.
It will be appreciated that the description above for various embodiments is only for exemplary purposes.Therefore, in various structures disclosed herein and operational feature is prone to carry out various amendment, and these amendments are all without departing from scope of the following claims.
Claims (26)
1. an active leg mating system, it includes the leg engagement member that can optionally launch.
2. leg mating system according to claim 1, wherein, described leg engagement member is formed at actuating and is previously at stowed position, and wherein, described lower limb engagement member is configured to before vehicle with pedestrian contact to move to expanded position, in order to the position when pedestrian is positioned at the front bumper front of vehicle, under the knee of pedestrian engages with the leg of pedestrian.
3. leg mating system according to claim 2, wherein, described system is configured to: when the front bumper front that pedestrian is positioned at vehicle being detected, makes described leg engagement member move to described expanded position.
4. leg mating system according to claim 2, wherein, described system is configured to: when the speed of vehicle reaches 10 miles per hour, makes described leg engagement member move to described expanded position.
5. leg mating system according to claim 4, wherein, described system is configured to: when car speed is more than 25 miles per hour, makes described leg engagement member return to described stowed position.
6. leg mating system according to claim 1, wherein, described system includes at least one arm that the part with vehicle couples to operably, and described leg engagement member is connected to the described part of vehicle by least one arm to operably described.
7. leg mating system according to claim 6, wherein, described system includes the arm being spaced apart from each other a pair, and described leg engagement member is all connected to the associated section of vehicle by each arm to operably.
8. leg mating system according to claim 6, wherein, at least one arm described is the telescopic arm of piston-cylinder molectron form.
9. leg mating system according to claim 8, wherein, described piston-cylinder molectron is stroke adjustable piston-cylinder combination.
10. leg mating system according to claim 6, wherein, at least one arm described is rotatable arm.
11. leg mating system according to claim 10, also include at least one rotary actuator, at least one rotary actuator described is connected at least one rotatable arm described to operably, and is configured to make at least one arm described rotate when described leg mating system activated.
12. leg mating system according to claim 6, also including housing, described housing is configured to be attached to a part for vehicle, and wherein, at least one arm described is connected to described housing to operably.
13. leg mating system according to claim 12, wherein, at least one arm described is connected to described housing to operably, so as to moves to the primary importance for described housing along described housing and can be fixed on described primary importance.
14. leg mating system according to claim 12, wherein, described housing is constructed such that: the width dimensions of described housing can be adjusted to the first width and can fix with described first width.
15. leg mating system according to claim 12, wherein, at least one arm described is connected to described housing to operably, so as to rotate to first for described housing directed and can with described first directional at-tachment.
16. described leg mating system, wherein, described leg engaging mechanism 10 is constructed such that: when described leg engagement member is in collapsed state, and whole described leg engagement member is positioned at above the plane limited by the lower limb of front bumper.
17. leg mating system according to claim 1, also include the off-stream unit allowing user to disable this system in a manual manner.
18. leg mating system according to claim 2, wherein, described system is constructed such that: when described leg engagement member is in the deployed state, the second perpendicular through first perpendicular on the forefront surface of described leg engagement member with the forefront surface through front bumper is coplanar.
19. a pedestrian safety systems, it includes leg mating system according to claim 1.
20. a vehicle, it includes leg mating system according to claim 1.
21. a vehicle, it includes pedestrian safety systems according to claim 1.
22. the leg mating system for vehicle, described system includes the leg engagement member that can launch, described system is constructed such that described leg engagement member is in stowed position before actuation, and wherein, described system is constructed such that described leg engagement member can move to expanded position before vehicle with pedestrian contact, between described expanded position, the tread residing for the front bumper remaining at least partially within vehicle of described leg engagement member and vehicle.
23. leg mating system according to claim 22, wherein, described system is constructed such that: when described leg engagement member is in described stowed position, any part of described leg engagement member is all not between described front bumper and described tread.
24. a pedestrian safety systems, it includes leg mating system according to claim 22.
25. a vehicle, it includes leg mating system according to claim 22.
26. a vehicle, it includes pedestrian safety systems according to claim 22.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361910270P | 2013-11-29 | 2013-11-29 | |
| US201361910265P | 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 true CN105793120A (en) | 2016-07-20 |
| CN105793120B 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) |
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| 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 |
| CN109050463A (en) * | 2017-06-08 | 2018-12-21 | 本田技研工业株式会社 | Car body fore part arrangement |
| CN115214523A (en) * | 2021-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
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| CN109050463A (en) * | 2017-06-08 | 2018-12-21 | 本田技研工业株式会社 | Car body fore part arrangement |
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| 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 |
| CN115214523A (en) * | 2021-03-31 | 2022-10-21 | 广州汽车集团股份有限公司 | Shank protection device, vehicle front end pedestrian protection device and vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105793120B (en) | 2018-11-02 |
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