CN107690399A

CN107690399A - A kind of pedestrains safety guard method and equipment for vehicle

Info

Publication number: CN107690399A
Application number: CN201780001021.7A
Authority: CN
Inventors: 姜岩; 刘洋; 张玉新; 张志武
Original assignee: Uisee Technologies Beijing Co Ltd
Current assignee: Uisee Technologies Beijing Co Ltd
Priority date: 2017-08-17
Filing date: 2017-08-17
Publication date: 2018-02-13
Also published as: WO2019033341A1

Abstract

The purpose of the application is to provide a kind of pedestrains safety guard method for vehicle and equipment；Wherein, the vehicle body periphery of the vehicle is provided with one or more air cavitys, and methods described includes：Obtain the vehicle traveling information of vehicle；The air pressure of target air cavity in one or more of air cavitys is controlled based on the vehicle traveling information.Compared with prior art; the application breaches can only eject air bag to carry out the limitation of pedestrains safety protection during vehicle high speed traveling, by moment in the prior art; it can realize under arbitrary speed; particularly low vehicle speeds when, for pedestrains safety in real time, effectively protect by the air cavity of normally opened, adjustable air pressure；Meanwhile the air pressure adjustment realized based on vehicle traveling information, also effectively prevent traditional goers outside vehicle air bag eject dependence for vehicle sensors precision, pedestrian protecting caused by the erroneous judgement that avoids air bag from ejecting it is ineffective.

Description

A kind of pedestrains safety guard method and equipment for vehicle

Technical field

The application is related to computer realm, more particularly to a kind of pedestrains safety protection technique for vehicle.

Background technology

With going deep into for automotive safety research, the heat of vehicle safety exploitation is increasingly becoming for the safe practice of pedestrian protecting Point.Traditional passenger car takes the bumper material of energy-absorbing and structure design, hood actively lift and goers outside vehicle air bag The methods of being ejected rapidly when colliding is protected to the pedestrian during collision.But the safe skill of existing pedestrian protecting For the purpose of the more automobiles to reduce high speed traveling of art, particularly passive security technology injure to caused by pedestrian in an impact, Some measures will not even start when running at a low speed, such as goers outside vehicle air bag can not eject in low speed.It is also, existing In technology goers outside vehicle air bag eject, need to rely on the accuracy of sensor rapidly when colliding ensure to collide into The detection of the real-time high accuracy of row, therefore, the cost of sensor is also of a relatively high.Meanwhile the detection of sensor easily causes False triggering, cause air bag ejection certain error to be present, such as need ejection not eject but, so as to fail that pedestrian is carried out in time Protection.

The content of the invention

The purpose of the application is to provide a kind of pedestrains safety guard method for vehicle and equipment.

According to the one side of the application, there is provided a kind of pedestrains safety guard method for vehicle, wherein, the car Vehicle body periphery be provided with one or more air cavitys, methods described includes：

Obtain the vehicle traveling information of vehicle；

The air pressure of target air cavity in one or more of air cavitys is controlled based on the vehicle traveling information.

According to the another aspect of the application, there is provided a kind of pedestrains safety protection equipment for vehicle, including：

In one or more air cavitys that the vehicle body periphery of the vehicle is set；

Harvester, for obtaining the vehicle traveling information of vehicle；

Control device, for controlling the gas of target air cavity in one or more of air cavitys based on the vehicle traveling information Pressure.

According to the another aspect of the application, a kind of pedestrains safety protection equipment for vehicle is additionally provided, including：

One or more processors；

Memory；And

One or more programs, wherein one or more of programs are stored in the memory, and it is configured Into by one or more of computing devices, described program includes being used to perform following operation：

Obtain the vehicle traveling information of vehicle；

According to the another aspect of the application, a kind of computer-readable recording medium is additionally provided, is stored thereon with computer Program, the computer program can be executed by processor following operation：

Obtain the vehicle traveling information of vehicle；

In one or more air cavitys that the vehicle body periphery of vehicle is set, the air cavity is in opening；

The inflation unit and exhaust unit being connected with the air cavity；

The control device electrically connected with the inflation unit；

The air cavity is inflated to target air pressure, the exhaust by the inflation unit according to the electric signal of the control device Unit is used to perform bleeding to the air cavity.

According to the another aspect of the application, vehicle is additionally provided, the vehicle includes vehicle-mounted pedestrian safety features, institute State vehicle-mounted pedestrian safety features and be included in one or more air cavitys that the vehicle body periphery of vehicle is set, the air cavity is in and opened Open state；

The inflation unit and exhaust unit being connected with the air cavity；

The control device electrically connected with the inflation unit；

Compared with prior art, vehicle traveling information of the application based on the vehicle got, which realizes, opens vehicle body periphery The control of the air pressure of target air cavity in the one or more air cavitys opened.Thus, breaching in the prior art can only be high in vehicle Air bag is ejected to carry out the limitation of pedestrains safety protection during speed traveling, by moment, it is possible to achieve under arbitrary speed, especially When being low vehicle speeds, for pedestrains safety in real time, effectively protect by the air cavity of normally opened, adjustable air pressure； Meanwhile the air pressure adjustment realized based on vehicle traveling information, it also effectively prevent traditional goers outside vehicle air bag and eject for car The dependence of sensor accuracy, avoid the erroneous judgement that air bag ejects caused by pedestrian protecting it is ineffective, so as to the technical scheme of the application Can realize more fully, reliable pedestrian protecting effect.

Further, the application can also be by moving down the target air cavity so that the row of the target air cavity and the vehicle Sail the distance between road surface and be less than or equal to gap threshold, or start auxiliary air cavity corresponding to the target air cavity, wherein, it is described Distance between the track of auxiliary air cavity and the vehicle is less than or equal to gap threshold, with this realizing for pedestrian or The further protection of other objects, pedestrian or other objects are made to exempt from and be involved in vehicle bottom by mistake and be rolled caused wound Evil.

Further, the application can also be determined in one or more of air cavitys when the vehicle collides the time It is corresponding with the collision accident to be touched air cavity, and performed charge operation by the adjacent air cavity of air cavity is touched to described.Here, can be with By by the charge operation for touching the adjacent air cavity of air cavity, making to described it with being combined by air cavity is touched, vehicle collision being arrived Pedestrian forms the effect of parcel, so as to prevent pedestrian because the generation of secondary injury caused by being ejected with vehicle collision.

Brief description of the drawings

By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other Feature, objects and advantages will become more apparent upon：

Fig. 1 shows to be illustrated according to a kind of equipment of pedestrains safety protection equipment for vehicle of the application one side Figure；

Fig. 2 shows the method flow diagram protected according to a kind of pedestrains safety for vehicle of the application one side；

Fig. 3 shows the example system that can be used for implementing each embodiment described herein；

Fig. 4 shows to be carried out according to a kind of air pressure to target air cavity in one or more air cavitys of the application one embodiment The schematic diagram of control；

Fig. 5 shows a kind of gas based on to target air cavity in one or more air cavitys according to another embodiment of the application It is voltage-controlled to make to realize the schematic diagram of pedestrains safety protection；

Fig. 6 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application further embodiment The schematic diagram of row control；

Fig. 7 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application another embodiment The schematic diagram of row control

Fig. 8 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application further embodiment The schematic diagram of row control；

Fig. 9 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application another embodiment The schematic diagram of row control；

Figure 10 shows a kind of air pressure to target air cavity in one or more air cavitys according to another embodiment of the application The schematic diagram being controlled；

Same or analogous reference represents same or analogous part in accompanying drawing.

Embodiment

The application is described in further detail below in conjunction with the accompanying drawings.

In one typical configuration of the application, terminal, the equipment of service network and trusted party include one or more Processor (CPU), input/output interface, network interface and internal memory.

Internal memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium Example.

Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data. The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moved State random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM), Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, magnetic disk storage or other magnetic storage apparatus or Any other non-transmission medium, the information that can be accessed by a computing device available for storage.Defined according to herein, computer Computer-readable recording medium does not include non-temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.

In this application, the pedestrains safety protection equipment 1 can include but is not limited to computer, network host, single The webserver, multiple webserver collection.Further, the pedestrains safety protection equipment 1 can also include one or more Radar/sensor, such as laser radar, millimetre-wave radar, ultrasonic radar, various camera devices, other vehicle-surroundings signals Sensor, vehicle speed sensor, steering angle sensor, acceleration transducer, other Vehicular status signal sensors, and/or other For realizing the device of information gathering.Further, in one implementation, the pedestrains safety protection equipment 1 can be whole Or partial deployment relevant position on corresponding vehicle；In another implementation, the pedestrains safety protection equipment 1 also may be used So that the vehicle of the application as can be achieved in itself.

Fig. 1 shows to be illustrated according to a kind of equipment of pedestrains safety protection equipment 1 for vehicle of the application one side Figure.The pedestrains safety protection equipment 1 can be included in one or more air cavitys 11 of the vehicle body periphery setting of the vehicle, adopt Acquisition means 12 and control device 13.

Specifically, in this application, the vehicle can include but is not limited to drive with complete mankind's driving model, auxiliary Pattern, part automatic driving mode, automatic driving mode of having ready conditions, highly automated driving model or fully automated driving model etc. The vehicle of arbitrary patterns traveling.One or more of air cavitys 11 can be deployed in the optional position of the vehicle periphery, for example, It is deployed in the region easily with pedestrian collision front and rear up and down outside vehicle body；And for example, when the vehicle is automatic driving mode Under vehicle when, the circle of vehicle one can also be surrounded and dispose the air cavity.In one implementation, in the vehicle travel process In, the air cavity can be normally open.In one implementation, the air cavity can correspondingly be changed by air pressure change Become its own volume or shape etc..In one implementation, the air cavity can also be based on needing relative to the position of vehicle Want and change.In one implementation, the air cavity can have certain gas permeability, to realize the adaptive behaviour that deflates Make.In one implementation, the air cavity can be Soft Roll material either other endergonic structures or material.Realized in one kind In mode, the material of the air cavity can have certain elasticity, can be by certainly when it receives a certain degree of impact pressure Figure, which becomes, absorbs and releases collision energy.In one implementation, the air cavity can also have inflation and/or deflate and open Close, charge operation can be performed by gas-filled switching tube, or gas can be released by air escape cock.In a kind of implementation In, the outer surface of the air cavity can set the striped of different colours, under different air cavity pressure, can accordingly show not Same shape and pattern, to warn or remind pedestrian or other vehicles.In one implementation, filled in the air cavity Gas, under different air cavity pressure, different colours can be presented, to warn or remind pedestrian or other vehicles.

The harvester 12 can obtain the vehicle traveling information of vehicle.Here, the harvester 12 can include For realizing one or more devices of information gathering, for example, one or more radar/sensors, such as laser radar, millimeter wave Radar, ultrasonic radar, various camera devices, other vehicle-surroundings signal transducers, vehicle speed sensor, steering angle sensor, Acceleration transducer, other Vehicular status signal sensors etc.., can be straight by relevant position on vehicle in a kind of implementation The sensor or other equipment of socket part administration to gather the vehicle traveling information in real time；, can be with another implementation Institute is read in sensor corresponding to the third party devices such as the DAS (Driver Assistant System) arranged from vehicle local environment or other equipment State vehicle traveling information.For example, the speed that vehicle travels can be monitored by the harvester, surrounding environment is perceived, is obtained Speed information and perception information, described perception information can be detected by one or more radar/sensors Information, for example, around the pressure sensing information of vehicle body, the perception information of radar signal, vehicle-mounted camera perception information etc..

In one implementation, the harvester 12 can be to be electrically connected with the control device 13 or communication link The vehicle-mounted sensing device connect；The vehicle-mounted sensing device is used for the vehicle traveling information for gathering the vehicle in real time, and by described in Vehicle traveling information is inputted to the control device 13.

In one implementation, the vehicle traveling information can include following at least any one：First, the vehicle Driving states information, for example, one in speed information or direction of traffic information of the vehicle etc. can be included but is not limited to Kind is a variety of；Second, the pressure perception information of the vehicle, for example, pressure perception information of the vehicle body for the external world can be included； The pressure perception information of air cavity itself can also be included；Third, the external object information of the vehicle, for example, can include but not Be limited to the relevant information of vehicle, pedestrian or other obstacle informations of surrounding etc., further, the relevant information can include but It is not limited to relative distance, relative velocity of vehicle, pedestrian, barrier etc. and the vehicle etc.；Fourth, the vehicle collides Event information, here, the application for pedestrains safety protection can be during normal vehicle operation perform or Collision performs when occurring.In one implementation, can be when vehicle body or air cavity directly perceive pressure, it is determined that institute occurs State collision accident；Or can also set when vehicle traveling information meets preparatory condition, it is judged to that the collision thing occurs Part, for example, when the distance for detecting pedestrian and vehicle is less than default collision distance, it is defined as the event of colliding.Further, In one implementation, the vehicle collide event information include it is following any one of at least：Position of collision information, collision Pressure information.Here, those skilled in the art are it should be appreciated that above-mentioned vehicle traveling information is only for example, it is existing or modern If other vehicle traveling informations occurred afterwards can be applied to the application, should also be included in the protection domain of the application, And it is incorporated herein in the form of reference.

The control device 13 can be based on the vehicle traveling information and control target gas in one or more of air cavitys The air pressure of chamber.In one implementation, the control pressure can include increase air cavity air pressure, and such as air cavity is inflated；Or The control pressure can also include reducing air cavity air pressure, and such as air cavity is deflated.Here, Fig. 4 is shown according to one reality of the application The schematic diagram that a kind of air pressure to target air cavity in one or more air cavitys of example is controlled is applied, wherein, the car of the vehicle Body front and back is all deployed with corresponding air cavity, when carrying out air cavity charge operation, state of the target air cavity from left figure Change turns to right figure state；Correspondingly, when carrying out air cavity bleed air operation, control can be included and deflated, can also be included adaptive Deflate, the target air cavity can be again left figure state from the state change of right figure.In actual applications, such as in vehicle travel Some time or period, may and the not all air cavity for being deployed in vehicle body periphery be required for carrying out air pressure change in real time, because This, in one implementation, based on the needs of current pedestrian's safeguard protection, the target air cavity can be deployed in outside vehicle body The part or complete of air cavity air pressure change will be carried out in one or more air cavitys in week, based on the vehicle traveling information by control Portion's air cavity.In different application scenarios, the corresponding target air cavity may be different.In one implementation, it is described Target air cavity can be the air cavity for the following any vehicle body outer peripheral portion for being arranged at the vehicle：Towards the driving side for stating vehicle To vehicle body outer peripheral portion, for example, when vehicle advances, be deployed in the air cavity of vehicle front；Or during vehicle rollback, it is deployed in The air cavity at vehicle body rear；The vehicle body outer peripheral portion that the vehicle is pressurized, here, the vehicle be pressurized can include based on directly by The vehicle body region of pressure, other regions associated with the vehicle body region being directly pressurized can also be included；Towards the outer of the vehicle The vehicle body outer peripheral portion of portion's object, for example, can include and the immediate part vehicle body region of external object.

In one implementation, can be right respectively based on the respective corresponding vehicle traveling information of each air cavity The air pressure of each target air cavity carries out distinguishing pressure control operation.In another implementation, it is also based on The comprehensive analysis of one or more vehicle traveling informations, unified air pressure control is carried out to the partly or entirely target air cavity System operation.

In one implementation, the different gas to the target air cavity can be realized based on different vehicle traveling informations Voltage-controlled system.If for example, the vehicle traveling information includes the driving states information of vehicle, as speed information or direction of traffic are believed Breath, then can be directly proportional to target air cavity air pressure size with regulation speed size, the acceptable even target air cavity of direction of traffic Inner gas pressure is more than the air cavity of non-direction of traffic；And for example, if the pressure that the vehicle traveling information includes the vehicle perceives letter Breath, then can control the pressure size that the target air cavity of direct collision is perceived to be inversely proportional with corresponding target air cavity air pressure size, And the target air cavity air pressure size of other adjacent target air cavitys corresponding with the target air cavity of direct collision can be with directly touching The pressure size that the target air cavity hit is perceived is directly proportional；And for example, if the vehicle traveling information includes the outside of the vehicle Object information, then can the information such as the relative position based on the air cavity and external object, relative velocity, carry out target air cavity gas Voltage-controlled system etc., as the relative position of air cavity and external object is nearer, relative velocity is bigger, then corresponding target air cavity air pressure is got over Greatly；And for example, if the vehicle traveling information collides event information including vehicle, can be based on position of collision information and/ Or impact pressure information carries out pressure control to the target air cavity.

Vehicle traveling information of the application based on the vehicle got realizes the one or more opened to vehicle body periphery The control of the air pressure of target air cavity in air cavity.Thus, breach in the prior art can only during vehicle high speed traveling, it is logical Cross moment ejection air bag and carry out the limitation of pedestrains safety protection, it is possible to achieve under arbitrary speed, particularly low vehicle speeds When, for pedestrains safety in real time, effectively protect by the air cavity of normally opened, adjustable air pressure；Meanwhile based on vehicle row Sail the air pressure adjustment of information realization, also effectively prevent traditional goers outside vehicle air bag ejection for vehicle sensors precision according to Rely, avoid air bag eject erroneous judgement caused by pedestrian protecting it is ineffective, so as to the application technical scheme can realize more fully, Reliable pedestrian protecting effect.

In one embodiment of the application, the pedestrains safety protection equipment 1 can be included in the vehicle body periphery of vehicle The one or more of setting, the air cavity 11 in opening；Can also include the inflation unit that is connected with the air cavity 11 and Exhaust unit；The aerating device electrically connects with the control device 13, and the inflation unit is according to the electricity of the control device The air cavity 11 is inflated to target air pressure by signal；The exhaust unit is used to perform bleeding to the air cavity 11.Specifically Ground, one or more of air cavitys 11 can be deployed in the optional position of the vehicle periphery, for example, being deployed in outside vehicle body up and down Region of the left-right and front-back easily with pedestrian collision；And for example, can be with when the vehicle is the vehicle under automatic driving mode The air cavity is disposed around the circle of vehicle one.

In one embodiment, the air cavity 11 can be pre-charged with a certain amount of gas, i.e., described air cavity 11 is constantly in Opening, for example, before vehicle traveling, i.e., gas is filled with advance to the air cavity 11, and for example, when driving, the gas Air pressure in chamber 11 is consistently greater than certain air pressure threshold value, such as default barometric minimum threshold value.

In one embodiment, the equipment 1 can also include being connected one or more inflation units with the air cavity 11, Gas can be filled with the air cavity 11 by the inflation unit according to the electric signal of the control device 13.The inflation unit can To include but is not limited to various air intake valves, various types of gas generators, or other can realize each of charge operation Kind device, structure or its combination.

Here, the equipment 1 can also include being connected one or more exhaust units with the air cavity 11, the exhaust is single Member can include but is not limited to that the various devices of bleeding, structure or its combination can be realized, for example, various pressure valve.

In one embodiment, the exhaust unit includes one way sequence valve, and the one way sequence valve is used in the gas Bleeding is performed to the air cavity 11 when pressure in chamber 11 meets or exceeds threshold value.For example, work as pedestrian or other objects When colliding the air cavity 11 around vehicle body, if the pressure in the air cavity 11 collided meets or exceeds threshold value, institute Bleeding can be performed, by the gas based on the pressure change in the air cavity 11 to the air cavity 11 by stating one way sequence valve Gas in chamber 11 is discharged out of air cavity to outside air cavity.Here, the air cavity 11 can realize institute based on the one way sequence valve State the adaptive bleeding of air cavity 11.

In one embodiment, the control device 13 can also electrically connect with the exhaust unit, the exhaust unit Bleeding is performed to the air cavity according to the electric signal of the control device 13.

Further, in one embodiment, a part of air cavity 11 in the equipment 1 can be controlled by control device 13 Corresponding exhaust unit performs bleeding, and another part air cavity 11 can be performed by the one way sequence valve it is adaptive Bleeding.In one embodiment, the same air cavity 11 can also perform different type by different exhaust units Bleeding.For example, the air cavity 11 includes two exhaust units, an exhaust unit is according to the electricity of the control device 13 Signal performs bleeding to the air cavity, and another exhaust unit carries out adaptive bleeding.

In one embodiment of the application, the control device 13 can include target air pressure information determination unit (not Show) and pressure control unit (not shown), wherein, the target air pressure information determination unit can be based on the vehicle and travel Information determines the target air pressure information of target air cavity in one or more of air cavitys；The pressure control unit can be according to institute State the air pressure in the target air pressure information control target air cavity.

Specifically, the target air pressure information determination unit can be determined based on the vehicle traveling information it is one or The target air pressure information of target air cavity in multiple air cavitys.In one implementation, the target air pressure information can be based on Default algorithm calculates determination in real time；The target air pressure information can also be the default value pre-set, when described When vehicle traveling information reaches preparatory condition, and the target air pressure information of acquiescence corresponding to matching.In one implementation, may be used To determine the target air pressure information of target air cavity based on different vehicle traveling informations, for example, being based on speed information, direction of traffic A letter in information such as the relative position of information, pressure of vehicle perception information, the air cavity and external object, relative velocity etc. Breath or multiple combined informations determine the target air pressure information of the target air cavity to match.Further, in a kind of implementation In, the matching corresponding relation of different vehicle driving information and different target air cavity is also based on, determines the target of target air cavity Pressure information, for example, under same speed, the target air pressure information of the target air cavity of diverse location can differ.Then, The pressure control unit can control the air pressure in the target air cavity according to the target air pressure information, in a kind of realization side , can be by the comparison of the target air pressure information and the actual pressure information of the target air cavity, to adjust the mesh in formula The inflated for deflated operation of the air pressure of gas intracavitary.For example, by judging the target air pressure information whether in the target gas Corresponding to the actual pressure information of chamber in the range of some atmospheric pressure value, to determine the control strategy of air pressure.Such as, if the target air cavity Actual pressure information be more than or equal to barometric minimum value corresponding to the target air pressure information, and be less than or equal to target gas Highest atmospheric pressure value corresponding to pressing information, keep the actual pressure Information invariability of the target air cavity；If the reality of the target air cavity Border pressure information is less than barometric minimum value corresponding to the target air pressure information, and charge operation is performed to the target air cavity；If The actual pressure information of the air cavity is more than highest atmospheric pressure value corresponding to the target air pressure information, and the target air cavity is performed Bleed air operation.

Further, in one embodiment of the application, the target air pressure information determination unit can be based on the car Speed information in driving information determines the target air pressure information of target air cavity in one or more of air cavitys.A kind of real It in existing mode, can set when speed is First Speed section, first object pressure information be matched, when speed is second speed During section, the second target air pressure information is matched, by that analogy, is provided with the different target pressure information of velocity correlation not synchronized Degree is lower can to avoid the reasonable air cavity thickness that pedestrian impact injures.For example, when speed is less than 30km/h, the target gas of target air cavity Press as x1MPa, for speed in 30-60km/h, its target air pressure is x2MPa.In one implementation, can also further by The speed information is engaged with other vehicle traveling informations to realize the determination of target air pressure information, for example, considering institute State speed information and the direction of traffic information, i.e., under same speed, the target air pressure information of air cavity corresponding to direction of traffic can With the target air pressure information more than air cavity corresponding to non-direction of traffic, thus, it is possible to realize：Under same speed, also may be used Different target air cavity matching more accurately target air pressure information is thought, so as to be closed on the whole to one or more air cavitys The pressure control of reason, take into account the realization of protecting effect and the saving of device resource.

Further, in one embodiment of the application, the target air pressure information determination unit can be based on the car The relative velocity of vehicle and external object in driving information determines target air cavity in one or more of air cavitys Target air pressure information., can be according to vehicle and external object for example, when if outside vehicle has the objects such as pedestrian, barrier The information such as relative velocity, relative distance determine that the target air pressure information of target air cavity is x3MPa.In one implementation, also Further the speed information can be engaged to realize the determination of target air pressure information with other vehicle traveling informations.One In kind implementation, the target air pressure information can calculate determination in real time based on default algorithm；The target air pressure Information can also be the default pressure value pre-set.

In one embodiment of the application, the control device 13 can be based on MCU (Microcontroller Unit, micro-control unit), or FPGA (Field-Programmable Gate Array, field programmable gate array) realizes 's.

In one embodiment, control device 13 can include input circuit, the comparison electrically connected with the input circuit Circuit, the control circuit electrically connected with the comparison circuit.

Specifically, the input circuit receives the vehicle traveling information of the vehicle, and the vehicle traveling information is passed Transport to the comparison circuit；The comparison circuit is based on vehicle traveling information generation output voltage signal, and will be described defeated Go out voltage signal to transmit to the control circuit；The control circuit receives the output voltage signal, based on the output electricity Pressure signal determines the target air pressure information of one or more of air cavitys 11, and is based on the target air pressure information to inflation unit Or exhaust unit exports corresponding Stress control instruction, the Stress control instruction includes the control inflation unit by corresponding to The air cavity is inflated to target air pressure or the corresponding air cavity is vented to target air pressure by the control exhaust unit.

For example, the input circuit receives the current speed information of the vehicle, and the speed information is transmitted to described Comparison circuit；The comparison circuit based on the current speed information, compared with default each vehicle speed intervals information, it is determined that The vehicle speed intervals information of the speed information matching, and output voltage letter corresponding to above-mentioned matching result is generated based on comparative result Number；The control circuit can include a switching switch and multiple controlling branchers, each exportable different pressure of controlling brancher Control instruction, control circuit close the switching according to the output voltage signal of comparison circuit and switched to corresponding controlling brancher, from And export corresponding Stress control to inflation unit or exhaust unit and instruct, the Stress control instruction includes the control inflation The corresponding air cavity is inflated to unit into target air pressure or the corresponding air cavity is vented to mesh by the control exhaust unit Gas pressure.

Further, in one embodiment of the application, the pedestrains safety protection equipment 1 also includes target air cavity and determined Device (not shown), the target air cavity determining device can determine vehicle traveling information described in one or more of air cavitys Corresponding target air cavity；Then, the target air pressure information determination unit can be based on described in vehicle traveling information determination The target air pressure information of target air cavity.Specifically, identified target air cavity, the application scenarios with reality are matched.One In kind implementation, the target air cavity can be the air cavity for the following any vehicle body outer peripheral portion for being arranged at the vehicle： Towards the vehicle body outer peripheral portion for the direction of traffic for stating vehicle, for example, when vehicle advances, the air cavity of vehicle front is deployed in；Or During vehicle rollback, the air cavity at vehicle body rear is deployed in；The vehicle body outer peripheral portion that the vehicle is pressurized, here, the vehicle is pressurized It can include based on the vehicle body region being directly pressurized, the baric area associated with the vehicle body region being directly pressurized can also be included Domain；Towards the vehicle body outer peripheral portion of the external object of the vehicle, for example, can include and the immediate part car of external object Body region.

In one embodiment of the application, the pedestrains safety protection equipment 1 (is not shown also including the first performs device Go out), first performs device can move down the target air cavity so that the track of the target air cavity and the vehicle Between distance be less than or equal to gap threshold, or start auxiliary air cavity corresponding to the target air cavity, wherein, the auxiliary gas Distance between the track of chamber and the vehicle is less than or equal to gap threshold.

Specifically, the target air cavity is moved down, or starts holding for the operation of auxiliary air cavity corresponding to the target air cavity Row can performed during normal vehicle operation or performed when collision accident occurs.In a kind of implementation In, the equipment 1 can also include sliding equipment, and the sliding equipment is arranged at the periphery of the vehicle, the air cavity 11, such as The target air cavity can be installed on the sliding equipment, and can be moved along the sliding equipment.First performs device can To move down the target air cavity so that the distance between the track of the target air cavity and the vehicle is less than or equal to gap Threshold value, here, Figure 10 shows a kind of gas to target air cavity in one or more air cavitys according to another embodiment of the application Press the schematic diagram being controlled.Wherein, it is illustrated that 101 be the target air cavity, and the target air cavity 101 can be along sliding equipment 102 slide, for example, the target air cavity 101 slides down to contact or close to ground.In one implementation, the cunning Motivation structure 102 can be controllable motor driving, can also be it can also is mechanical structure, such as shearing pin position limiting structure, When shear pin is cut, target air cavity 101 moves down the distance so that between the track of the target air cavity and the vehicle Less than or equal to gap threshold.

In one implementation, the equipment 1 also includes the air cavity 11, aids in gas as corresponding to the target air cavity Chamber, wherein, the distance between the track of the auxiliary air cavity and the vehicle is less than the row of the air cavity 11 and the vehicle Sail the distance between road surface.Here, auxiliary air cavity corresponding to the target air cavity can be started, wherein, the auxiliary air cavity and institute The distance stated between the track of vehicle is less than or equal to gap threshold.In one implementation, the auxiliary air cavity can be with It is to reach preset air pressure state in advance before being initiated；Or in the auxiliary air cavity start-up course, it is inflated simultaneously Operate to reach expected atmospheric pressure state.In one implementation, before the auxiliary air cavity starts, itself and the vehicle Distance between track is more than the gap threshold, for example, the auxiliary air cavity is hidden in after the target air cavity.One In kind implementation, the auxiliary air cavity of the startup can be located at the bottom of the target air cavity.Fig. 6 is shown according to the application again The schematic diagram that a kind of air pressure to target air cavity in one or more air cavitys of one embodiment is controlled.Wherein, the figure Show that 61, diagram 63 is the target air cavity, vehicle front bumper ejects downwards air cavity 62, as corresponding with target air cavity 61 auxiliary Air cavity is helped, vehicle rear bumper ejects downwards air cavity 64, auxiliary air cavity as corresponding with target air cavity 63.Fig. 9 shows basis The schematic diagram that a kind of air pressure to target air cavity in one or more air cavitys of another embodiment of the application is controlled. This, the diagram 92 is the target air cavity, it is illustrated that 91 be auxiliary air cavity corresponding with target air cavity 92.It is here, described auxiliary Bottom of the air cavity 91 not only in the target air cavity 92 is helped, and the front portion of the auxiliary air cavity 91 is higher, rear portion is relatively low, so as to Enough to prevent pedestrian to be slipped to ground after collision occurs, in knockout process, auxiliary air cavity 91 contacts with pedestrian lower leg first, OK People is poured onto on auxiliary air cavity 91, and then pedestrian head and the upper part of the body can be in contact with target air cavity 92.So as to prevent pedestrian Ground is slid to being involved in vehicle bottom.In one implementation, the air cavity material stiffness of the target air cavity 92 is less than described Aid in the air cavity material stiffness of air cavity 91.

In one implementation, the air cavity 62 in described Fig. 6, air cavity 64, the air cavity 91 in Fig. 9 can be based on described Vehicle traveling information controls the target air cavity in one or more of air cavitys；Meanwhile when the air pressure control with other target air cavitys System is corresponding auxiliary air cavity again when being engaged, such as is auxiliary air cavity when the air cavity 62 is relative to the target air cavity 61, It is auxiliary air cavity when air cavity 64 is relative to the target air cavity 63, is auxiliary gas when air cavity 91 is relative to the target air cavity 92 Chamber.

In one embodiment of the application, if the vehicle meets trigger condition, first performs device is used for can To move down the target air cavity so that the distance between the track of the target air cavity and the vehicle is less than or equal to gap Threshold value, or start auxiliary air cavity corresponding to the target air cavity, wherein, the track of the auxiliary air cavity and the vehicle Between distance be less than or equal to gap threshold.Further, the trigger condition includes following at least any one：First, the vehicle Driving information collides event including the vehicle；Second, the pressure perception information in the vehicle traveling information is more than or waited In impact pressure threshold information；Third, the distance between the external object of the vehicle and the vehicle is less than or equal to distance threshold Information；Fourth, the relative velocity between the external object of the vehicle and the vehicle is believed more than or equal to relative velocity threshold value Breath.Here, the target air cavity is moved down, or the execution of the operation of auxiliary air cavity can be corresponding to the startup target air cavity Performed when being performed during normal vehicle operation or colliding and occurring.Wherein, collided thing for the vehicle Part, can be when vehicle body or air cavity directly perceive pressure, it is determined that the collision accident occurs in one implementation； Or can also set when vehicle traveling information meets preparatory condition, it is judged to that the collision accident occurs, for example, when inspection When measuring the distance of pedestrian and vehicle less than default collision distance, it is defined as the event of colliding.

It is existing or occur from now on here, those skilled in the art are it should be appreciated that above-mentioned trigger condition is only for example If other trigger conditions can be applied to the application, should also be included in the protection domain of the application, and with the shape of reference Formula is incorporated herein.

In the above-described embodiments, can be by moving down the target air cavity so that the row of the target air cavity and the vehicle Sail the distance between road surface and be less than or equal to gap threshold, or start auxiliary air cavity corresponding to the target air cavity, wherein, it is described Distance between the track of auxiliary air cavity and the vehicle is less than or equal to gap threshold, with this realizing for pedestrian or The further protection of other objects, pedestrian or other objects are made to exempt from and be involved in vehicle bottom by mistake and be rolled caused wound Evil.

In one embodiment of the application, target air cavity that the vehicle body periphery of the vehicle is set generally have it is multiple, respectively There is certain relative position relation in individual target air cavity, such as the target air cavity includes top air cavity and bottom gas each other Chamber, wherein, the top air cavity meets following at least any one with the bottom air cavity：First, the air cavity in the top air cavity Pressure is less than the air cavity pressure in the bottom air cavity, here, Fig. 5 shows to be based on according to one kind of the application another embodiment To the pressure control of target air cavity in one or more air cavitys to realize the schematic diagram of pedestrains safety protection, wherein, front part of vehicle Top air cavity in air cavity pressure be less than air cavity pressure in the bottom air cavity, the small volume of top air cavity can be shown as In bottom air cavity, it is thus possible to which so that the people hit falls down toward vehicle body direction, without being possible to be rolled under wheel.Second, The air cavity material stiffness of the top air cavity is less than the air cavity material stiffness of the bottom air cavity, in one implementation, can With the top air cavity 92 with reference to shown in figure 9 and corresponding bottom air cavity 91, wherein, the air cavity material stiffness of the top air cavity 92 Less than the air cavity material stiffness of the bottom air cavity 91, formed for example, the top air cavity 92 can be soft energy-absorbing material, and The bottom air cavity 91 can be that hard energy-absorbing material is formed, and thus, the bottom air cavity 91 of hard can preferably accept pedestrian, And soft top air cavity 92 can reduce collision head or the injury brought above the waist to pedestrian etc..Third, on described The thickness of portion's air cavity is less than the thickness of the bottom air cavity, and in one implementation, the thickness of the air cavity can refer to gas The distance of chamber frontier distance vehicle body, here, the citing that may be referred to is top air cavity 92 and corresponding bottom shown in Fig. 9 Air cavity 91, wherein, the thickness of the top air cavity 92 is less than the thickness of the bottom air cavity 91, in knockout process, bottom gas Chamber 91 is contacted with pedestrian lower leg first, and pedestrian is poured onto on bottom air cavity 91, and then pedestrian head and the upper part of the body can be with tops Air cavity 92 is in contact, so that pedestrian or other objects exempt from and are involved in vehicle bottom by mistake and are rolled caused injury.

In one embodiment of the application, the pedestrains safety protection equipment (is not shown also including the second performs device Go out), the event if vehicle collides, second performs device can determine in one or more of air cavitys with it is described Air cavity is touched corresponding to collision accident；To being performed charge operation by the adjacent air cavity of air cavity is touched in one or more of air cavitys.

Specifically, here, it is described by touch air cavity can be in collision accident the actual air cavity for directly bearing impact pressure or It is to be judged to directly bearing impact pressure air cavity.In one implementation, it is corresponding with the collision accident touched air cavity can With do not perform air pressure change operation, such as it is non-aerating also do not deflate, now, the air cavity that touched can not be the target gas Chamber.In another implementation, when the vehicle collides event, the air cavity that touched is also based on the vehicle The event information that collides control is described by the air pressure for touching air cavity, is actively deflated for example, air cavity is touched in control, or control is touched Air cavity is inflated, and now, the air cavity that touched can be the target air cavity.In another implementation, in the vehicle It is described to be carried out adaptive barometric pressure regulation, example by touching air cavity and be also based on the impact pressure directly born during the event that collides Deflated as adaptive, the ventilative material such as based on air cavity is deformed upon, and for example deflated automatically by bleed passage.Realized in one kind In mode, it is described touched corresponding to air cavity active control and deflated can be carried out independently of each other with adaptively deflating, can also be based on Need to coordinate and carry out.

Here, second performs device can also be to being held in one or more of air cavitys by the adjacent air cavity of air cavity is touched Row charge operation.In one implementation, the vehicle collide event information can include it is following any one of at least：Touch Hit positional information, impact pressure information.Further, in one implementation, the position of collision information can be positioning It is described to be touched air cavity, and then determine with described by the air cavity that to touch air cavity adjacent.In one implementation, it is also based on specific The impact pressure information set it is described by touching deflation speed, discharge quantity corresponding to the bleed air operation of air cavity, or set by Touch aeration speed, aeration quantity corresponding to the charge operation of the control of the adjacent air cavity of air cavity.

Fig. 7 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application another embodiment The schematic diagram of row control.In the figure 7, left figure and right figure correspond to the side diagram of same collision accident, and the collision thing respectively Part causes the front diagram that air cavity changes, wherein, the pedestrian collides with front part of vehicle one or more air cavity, wherein right That answers is carried out bleed air operation by the air cavity air cavity of description (right figure dotted line) is touched, and with described by the air cavity (right figure that to touch air cavity adjacent The air cavity of solid line description) corresponding charge operation is carried out, so as to be actually formed the parcel to pedestrian.

Fig. 8 shows to be entered according to a kind of air pressure to target air cavity in one or more air cavitys of the application further embodiment The schematic diagram of row control.In fig. 8, left figure and right figure correspond to the side diagram of same collision accident, and the collision thing respectively Part causes the front diagram that air cavity changes.Wherein, the pedestrian collides with front part of vehicle one or more air cavity, to one Point carried out bleed air operation by the air cavity air cavity of description (right figure dotted line) is touched, and touched air cavity with another part and described touched gas The adjacent air cavity of chamber (air cavity of right figure solid line description) carries out corresponding charge operation, so as to be actually formed the parcel to pedestrian.

In the present embodiment, the pedestrains safety protection equipment 1 can also when the vehicle collides the time, it is determined that It is corresponding with the collision accident in one or more of air cavitys to be touched air cavity, and held to described by the adjacent air cavity of air cavity is touched Row charge operation.Here, can be by, by the charge operation for touching the adjacent air cavity of air cavity, making it be combined with being touched air cavity to described The pedestrian that get up, is arrived to vehicle collision forms the effect of parcel, so as to prevent pedestrian because with vehicle collision and be ejected institute's band The generation of the secondary injury come.

In one embodiment of the application, the pedestrains safety protection equipment 1 (is not shown also including the 3rd performs device Go out), if the vehicle traveling information meets brake hard condition, the 3rd performs device can perform to the driving vehicle Brake hard.Here, the brake hard condition can be：For example, the speed information of the speed reaches pre-set velocity threshold value； And for example, the impact pressure that the pressure sensor monitoring arrives exceedes preset pressure threshold value；And for example, near the sensor collects There are external object, such as pedestrian, barrier.Here, those skilled in the art are it should be appreciated that above-mentioned brake hard condition It is only for example, other brake hard conditions existing or occur from now on can be applied to the application, should also be included in the application Protection domain in, and be incorporated herein in the form of reference.

Present invention also provides a kind of vehicle, the vehicle includes vehicle-mounted pedestrian safety features, the vehicle-mounted pedestrian Safety features are included in one or more air cavitys that the vehicle body periphery of vehicle is set, and the air cavity is in opening；With The inflation unit and exhaust unit of the air cavity connection；The control device electrically connected with the inflation unit；The inflation unit The air cavity is inflated to by target air pressure according to the electric signal of the control device, the exhaust unit is used to hold the air cavity Row bleeding.

Fig. 2 shows the method flow diagram protected according to a kind of pedestrains safety for vehicle of the application one side. Wherein, the vehicle body periphery of the vehicle is provided with one or more air cavitys, and methods described includes step S21 and step S22.

Specifically, in this application, the vehicle can include but is not limited to drive with complete mankind's driving model, auxiliary Pattern, part automatic driving mode, automatic driving mode of having ready conditions, highly automated driving model or fully automated driving model etc. The vehicle of arbitrary patterns traveling.One or more of air cavitys can be deployed in the optional position of the vehicle periphery, for example, portion Administration region easily with pedestrian collision front and rear up and down outside vehicle body；And for example, when the vehicle is under automatic driving mode Vehicle when, the circle of vehicle one can also be surrounded and dispose the air cavity.In one implementation, in the vehicle travel process In, the air cavity can be normally open.In one implementation, the air cavity can correspondingly be changed by air pressure change Become its own volume or shape etc..In one implementation, the air cavity can also be based on needing relative to the position of vehicle Want and change.In one implementation, the air cavity can have certain gas permeability, to realize the adaptive behaviour that deflates Make.In one implementation, the air cavity can be Soft Roll material either other endergonic structures or material.Realized in one kind In mode, the material of the air cavity can have certain elasticity, can be by certainly when it receives a certain degree of impact pressure Figure, which becomes, absorbs and releases collision energy.In one implementation, the air cavity can also have inflation and/or deflate and open Close, charge operation can be performed by gas-filled switching tube, or gas can be released by air escape cock.In a kind of implementation In, the outer surface of the air cavity can set the striped of different colours, under different air cavity pressure, can accordingly show not Same shape and pattern, to warn or remind pedestrian or other vehicles.In one implementation, filled in the air cavity Gas, under different air cavity pressure, different colours can be presented, to warn or remind pedestrian or other vehicles.

In the step s 21, the pedestrains safety protection equipment 1 can obtain the vehicle traveling information of vehicle.It is here, described Pedestrains safety protection equipment 1 can include being used for the one or more devices for realizing information gathering, for example, one or more thunders Up to/sensor, such as laser radar, millimetre-wave radar, ultrasonic radar, various camera devices, other vehicle-surroundings sensings Device, vehicle speed sensor, steering angle sensor, acceleration transducer, other Vehicular status signal sensors etc..A kind of implementation In, the sensor or other equipment that can directly be disposed by relevant position on vehicle are believed with gathering the vehicle traveling in real time Breath；In another implementation, the third party device pair such as DAS (Driver Assistant System) that can also be arranged from vehicle local environment The vehicle traveling information is read in the sensor or other equipment answered.For example, vehicle can be monitored by the harvester The speed of traveling, surrounding environment is perceived, it can be described one kind to obtain speed information and perception information, described perception information Or the information detected by many kinds of radar/sensor, such as the perception letter of pressure sensing information around vehicle body, radar signal The perception information etc. of breath, vehicle-mounted camera.

In step S22, it is one that the pedestrains safety protection equipment 1 can be based on vehicle traveling information control Or in multiple air cavitys target air cavity air pressure.In one implementation, the control pressure can include increase air cavity air pressure, Such as air cavity is inflated；Or the control pressure can also include reducing air cavity air pressure, and such as air cavity is deflated.Here, Fig. 4 shows Go out the schematic diagram being controlled according to a kind of air pressure to target air cavity in one or more air cavitys of the application one embodiment, Wherein, the vehicle front of the vehicle and rear are all deployed with corresponding air cavity, when carrying out air cavity charge operation, the target Air cavity from the state change of left figure be right figure state；Correspondingly, when carrying out air cavity bleed air operation, control can be included and deflated, Adaptive deflation can also be included, the target air cavity can be again left figure state from the state change of right figure.In practical application In, such as some time or period in vehicle traveling, may and the not all air cavity for being deployed in vehicle body periphery be required in real time Ground carries out air pressure change, therefore, in one implementation, based on the needs of current pedestrian's safeguard protection, the target air cavity Can be deployed in one or more air cavitys of vehicle body periphery, air cavity will be carried out by control based on the vehicle traveling information The part or all of air cavity of air pressure change.In different application scenarios, the corresponding target air cavity may be different.One In kind implementation, the target air cavity can be the air cavity for the following any vehicle body outer peripheral portion for being arranged at the vehicle： Towards the vehicle body outer peripheral portion for the direction of traffic for stating vehicle, for example, when vehicle advances, the air cavity of vehicle front is deployed in；Or During vehicle rollback, the air cavity at vehicle body rear is deployed in；The vehicle body outer peripheral portion that the vehicle is pressurized, here, the vehicle is pressurized It can include based on the vehicle body region being directly pressurized, other areas associated with the vehicle body region being directly pressurized can also be included Domain；Towards the vehicle body outer peripheral portion of the external object of the vehicle, for example, can include and the immediate part car of external object Body region.

In one embodiment of the application, the step S22 can include step S221 (not shown) and step S222 (not shown), wherein, in step S221, the pedestrains safety protection equipment 1 can be based on the vehicle traveling information and determine The target air pressure information of target air cavity in one or more of air cavitys；In step S222, the pedestrains safety protection equipment 1 The air pressure in the target air cavity can be controlled according to the target air pressure information.

Specifically, in step S221, the pedestrains safety protection equipment 1 can be based on the vehicle traveling information and determine The target air pressure information of target air cavity in one or more of air cavitys.In one implementation, the target air pressure information Can be that determination is calculated based on default algorithm in real time；The target air pressure information can also be the acquiescence pre-set Value, when the vehicle traveling information reaches preparatory condition, and the target air pressure information of acquiescence corresponding to matching.Realized in one kind In mode, the target air pressure information of target air cavity can be determined based on different vehicle traveling informations, for example, believing based on speed The information such as breath, direction of traffic information, pressure of vehicle perception information, the relative position of the air cavity and external object, relative velocity An information or multiple combined informations determine the target air pressure information of the target air cavity to match in.Further, in one kind In implementation, the matching corresponding relation of different vehicle driving information and different target air cavity is also based on, determines target gas The target air pressure information of chamber, for example, under same speed, the target air pressure information of the target air cavity of diverse location can not phase Together.Then, the pressure control unit can control the air pressure in the target air cavity according to the target air pressure information, one , can be by the comparison of the target air pressure information and the actual pressure information of the target air cavity, to adjust in kind implementation Save the inflated for deflated operation of the air pressure in the target air cavity.For example, by judging the target air pressure information whether in institute State corresponding to the actual pressure information of target air cavity in the range of some atmospheric pressure value, to determine the control strategy of air pressure.Such as, it is if described The actual pressure information of target air cavity is more than or equal to barometric minimum value corresponding to the target air pressure information, and is less than or waits In highest atmospheric pressure value corresponding to target air pressure information, the actual pressure Information invariability of the target air cavity is kept；If the target The actual pressure information of air cavity is less than barometric minimum value corresponding to the target air pressure information, and inflation is performed to the target air cavity Operation；If the actual pressure information of the air cavity is more than highest atmospheric pressure value corresponding to the target air pressure information, to the target Air cavity performs bleed air operation.

Further, in one embodiment of the application, in step S221, the pedestrains safety protection equipment 1 can be with The target air pressure letter of target air cavity in one or more of air cavitys is determined based on the speed information in the vehicle traveling information Breath.In one implementation, it can set when speed is First Speed section, match first object pressure information, work as car When speed is second speed section, the second target air pressure information, by that analogy, the different target pressure information with velocity correlation are matched Provide the reasonable air cavity thickness that pedestrian impact can be avoided to injure under friction speed.For example, when speed is less than 30km/h, target The target air pressure of air cavity is x1MPa, and for speed in 30-60km/h, its target air pressure is x2MPa.In one implementation, also Further the speed information can be engaged to realize the determination of target air pressure information, example with other vehicle traveling informations Such as, consider the speed information and the direction of traffic information, i.e., under same speed, the mesh of air cavity corresponding to direction of traffic The target air pressure information of air cavity corresponding to non-direction of traffic can be more than by marking pressure information, thus, it is possible to realize：Even in same Under speed, can also be different target air cavity matching more accurately target air pressure information, so as on the whole to one or more Individual air cavity carries out rational pressure control, takes into account the realization of protecting effect and the saving of device resource.

Further, in one embodiment of the application, in step S221, the pedestrains safety protection equipment 1 can be with Determined based on the vehicle in the vehicle traveling information and the relative velocity of external object in one or more of air cavitys The target air pressure information of target air cavity.If for example, when the objects such as pedestrian, barrier be present in outside vehicle, can according to vehicle with The information such as the relative velocity of external object, relative distance determine that the target air pressure information of target air cavity is x3MPa.Realized in one kind In mode, further the speed information can also be engaged to realize target air pressure information with other vehicle traveling informations It is determined that.In one implementation, the target air pressure information can calculate determination in real time based on default algorithm；It is described Target air pressure information can also be the default pressure value pre-set.

Further, in one embodiment of the application, methods described also includes step S23S2 (not shown), in step In S23, the pedestrains safety protection equipment 1 can be determined described in one or more of air cavitys corresponding to vehicle traveling information Target air cavity；Then, in step S221, the pedestrains safety protection equipment 1 can be based on the vehicle traveling information and determine The target air pressure information of the target air cavity.Specifically, identified target air cavity, the application scenarios with reality are matched. In one implementation, the target air cavity can be the gas for the following any vehicle body outer peripheral portion for being arranged at the vehicle Chamber：Towards the vehicle body outer peripheral portion for the direction of traffic for stating vehicle, for example, when vehicle advances, the air cavity of vehicle front is deployed in；Or Person, during vehicle rollback, it is deployed in the air cavity at vehicle body rear；The vehicle body outer peripheral portion that the vehicle is pressurized, here, the vehicle by Pressure can include based on the vehicle body region being directly pressurized, and can also include the baric area associated with the vehicle body region being directly pressurized Domain；Towards the vehicle body outer peripheral portion of the external object of the vehicle, for example, can include and the immediate part car of external object Body region.

In one embodiment of the application, methods described also includes step S24 (not shown), in step s 24, described Pedestrains safety protection equipment 1 can move down the target air cavity so that between the track of the target air cavity and the vehicle Distance is less than or equal to gap threshold, or starts auxiliary air cavity corresponding to the target air cavity, wherein, the auxiliary air cavity and Distance between the track of the vehicle is less than or equal to gap threshold.

Specifically, the target air cavity is moved down, or starts holding for the operation of auxiliary air cavity corresponding to the target air cavity Row can performed during normal vehicle operation or performed when collision accident occurs.In a kind of implementation In, first performs device can move down the target air cavity so that between the track of the target air cavity and the vehicle Distance be less than or equal to gap threshold, here, Figure 10 shows one kind according to the application another embodiment to one or more The schematic diagram that the air pressure of target air cavity is controlled in individual air cavity.Wherein, it is illustrated that 101 be the target air cavity, the target gas Chamber 101 can slide along sliding equipment 102, for example, the target air cavity 101 slides down to contact or close to ground. In a kind of implementation, the sliding equipment 102 can be controllable motor driving, can also be it can also is mechanical structure, Such as shearing pin position limiting structure, when shear pin is cut, target air cavity 101 moves down so that the target air cavity and the car Track between distance be less than or equal to gap threshold.

In one implementation, auxiliary air cavity corresponding to the target air cavity can also be started, wherein, the auxiliary gas Distance between the track of chamber and the vehicle is less than or equal to gap threshold.In one implementation, the auxiliary gas Chamber can reach preset air pressure state in advance before being initiated；Or in the auxiliary air cavity start-up course, enter simultaneously Row charge operation is to reach expected atmospheric pressure state.In one implementation, it is described auxiliary air cavity start before, its with it is described Distance between the track of vehicle is more than the gap threshold, for example, it is described auxiliary air cavity be hidden in the target air cavity it Afterwards.In one implementation, the auxiliary air cavity of the startup can be located at the bottom of the target air cavity.Fig. 6 shows basis The schematic diagram that a kind of air pressure to target air cavity in one or more air cavitys of the application further embodiment is controlled.Its In, the diagram 61, diagram 63 are the target air cavitys, and vehicle front bumper ejects downwards air cavity 62, as with target air cavity Auxiliary air cavity, vehicle rear bumper eject downwards air cavity 64 corresponding to 61, auxiliary air cavity as corresponding with target air cavity 63.Figure 9 show to be shown according to what a kind of air pressure to target air cavity in one or more air cavitys of the application another embodiment was controlled It is intended to.Here, the diagram 92 is the target air cavity, it is illustrated that 91 be auxiliary air cavity corresponding with target air cavity 92.Here, For the auxiliary air cavity 91 not only in the bottom of the target air cavity 92, and the front portion of the auxiliary air cavity 91 is higher, rear portion is relatively low, So as to collision occur after prevent pedestrian to be slipped to ground, in knockout process, auxiliary air cavity 91 first with pedestrian lower leg Contact, pedestrian are poured onto on auxiliary air cavity 91, and then pedestrian head and the upper part of the body can be in contact with target air cavity 92.So as to anti- Only pedestrian slides ground to being involved in vehicle bottom.In one implementation, the air cavity material stiffness of the target air cavity 92 is small In the air cavity material stiffness of the auxiliary air cavity 91.

In one embodiment of the application, in step s 24, if the vehicle meets trigger condition, pedestrian's peace Full guard equipment 1 can move down the target air cavity so that the distance between the track of the target air cavity and the vehicle is small In or equal to gap threshold, or start auxiliary air cavity corresponding to the target air cavity, wherein, the auxiliary air cavity and the car Track between distance be less than or equal to gap threshold.Further, the trigger condition includes following at least any one： First, the vehicle traveling information collides event including the vehicle；Second, the pressure in the vehicle traveling information perceives Information is more than or equal to impact pressure threshold information；Third, the distance between the external object of the vehicle and the vehicle be less than or Equal to distance threshold information；Fourth, the relative velocity between the external object of the vehicle and the vehicle is more than or equal to phase To threshold speed information.Here, moving down the target air cavity, or start the operation of auxiliary air cavity corresponding to the target air cavity Execution can be during normal vehicle operation perform or collide occur when perform.Wherein, for the car Collide event, can be when vehicle body or air cavity directly perceive pressure, it is determined that institute occurs in one implementation State collision accident；Or can also set when vehicle traveling information meets preparatory condition, it is judged to that the collision thing occurs Part, for example, when the distance for detecting pedestrian and vehicle is less than default collision distance, it is defined as the event of colliding.

In one embodiment of the application, methods described also includes step S25 (not shown), in step s 25, if institute State vehicle to collide event, the pedestrains safety protection equipment 1 can determine to touch with described in one or more of air cavitys Hit and touched air cavity corresponding to event；To being performed charge operation by the adjacent air cavity of air cavity is touched in one or more of air cavitys.

Here, the pedestrains safety protection equipment 1 can also be to adjacent by air cavity is touched in one or more of air cavitys Air cavity performs charge operation.In one implementation, the vehicle event information that collides can include following at least appointing One：Position of collision information, impact pressure information.Further, in one implementation, the position of collision information can be used With position it is described touched air cavity, and then determination with described by the air cavity that to touch air cavity adjacent.In one implementation, can be with base Set in the specific impact pressure information it is described by touching deflation speed, discharge quantity corresponding to the bleed air operation of air cavity, or Set by aeration speed, aeration quantity corresponding to the charge operation for the control for touching the adjacent air cavity of air cavity.

In one embodiment of the application, methods described also includes step S26 (not shown), in step S26, if institute State vehicle traveling information and meet brake hard condition, the pedestrains safety protection equipment 1 can perform tight to the driving vehicle Anxious braking.Here, the brake hard condition can be：For example, the speed information of the speed reaches pre-set velocity threshold value；Again Such as, the impact pressure that the pressure sensor monitoring arrives exceedes preset pressure threshold value；And for example, the sensor, which collects, nearby has External object, such as pedestrian, barrier.Here, those skilled in the art it should be appreciated that above-mentioned brake hard condition only For citing, other brake hard conditions existing or occur from now on can be applied to the application, should also be included in the application's In protection domain, and it is incorporated herein in the form of reference.

The embodiment of the present application additionally provides a kind of pedestrains safety protection equipment for vehicle, including：

One or more processors；

Memory；And

Obtain the vehicle traveling information of vehicle；

As shown in Figure 3 in certain embodiments, system 300 can be as the embodiment shown in Fig. 1, Fig. 2, Fig. 3 to Figure 10 Or any one of pedestrains safety protection equipment 1 in other described embodiments.In certain embodiments, system 300 can Including one or more computer-readable mediums (for example, system storage or NVM/ storage devices 320) with instruction and Coupled with one or more computer-readable mediums and be configured as execute instruction to realize module so as to perform in the application The one or more processors (for example, (one or more) processor 305) of described action.

For one embodiment, system control module 310 may include any appropriate interface controller, with to (one or It is multiple) any appropriate equipment that is at least one and/or being communicated with system control module 310 in processor 305 or component carry For any appropriate interface.

System control module 310 may include Memory Controller module 330, to provide interface to system storage 315.Deposit Memory controller module 330 can be hardware module, software module and/or firmware module.

System storage 315 can be used for for example, loading of system 300 and data storage and/or instruction.For a reality Example is applied, system storage 315 may include any appropriate volatile memory, for example, appropriate DRAM.In some embodiments In, system storage 315 may include the Synchronous Dynamic Random Access Memory of Double Data Rate type four (DDR4SDRAM).

For one embodiment, system control module 310 may include one or more input/output (I/O) controller, with Interface is provided to NVM/ storage devices 320 and (one or more) communication interface 325.

For example, NVM/ storage devices 320 can be used for data storage and/or instruction.NVM/ storage devices 320 may include to appoint Anticipating appropriate nonvolatile memory (for example, flash memory) and/or may include that any appropriate (one or more) is non-volatile and deposits Equipment is stored up (for example, one or more hard disk drives (HDD), one or more CDs (CD) driver and/or one or more Digital versatile disc (DVD) driver).

NVM/ storage devices 320 may include a part for the equipment being physically mounted on as system 300 Storage resource, or it can be by equipment access without the part as the equipment.For example, NVM/ storage devices 320 can Conducted interviews by network via (one or more) communication interface 325.

(one or more) communication interface 325 can be system 300 provide interface with by one or more networks and/or with Other any appropriate equipment communications.System 300 can be according to any mark in one or more wireless network standards and/or agreement Accurate and/or agreement to carry out radio communication with the one or more assemblies of wireless network.

For one embodiment, at least one in (one or more) processor 305 can be with system control module 310 The logic of one or more controllers (for example, Memory Controller module 330) is packaged together.For one embodiment, (one It is individual or multiple) at least one in processor 305 can encapsulate with the logic of one or more controllers of system control module 310 Together to form system in package (SiP).It is at least one in (one or more) processor 305 for one embodiment It can be integrated in the logic of one or more controllers of system control module 310 on same mould.For one embodiment, At least one in (one or more) processor 305 can be with the logic of one or more controllers of system control module 310 It is integrated on same mould to form on-chip system (SoC).

In various embodiments, system 300 can be, but not limited to be：Server, work station, desk-top computing device or movement Computing device (for example, lap-top computing devices, handheld computing device, tablet personal computer, net book etc.).In various embodiments, System 300 can have more or less components and/or different frameworks.For example, in certain embodiments, system 300 includes One or more video cameras, keyboard, liquid crystal display (LCD) screen (including touch screen displays), nonvolatile memory port, Multiple antennas, graphic chips, application specific integrated circuit (ASIC) and loudspeaker.

It should be noted that the application can be carried out in the assembly of software and/or software and hardware, for example, can adopt With application specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment In, the software program of the application can realize steps described above or function by computing device.Similarly, the application Software program (including related data structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory, Magnetically or optically driver or floppy disc and similar devices.In addition, some steps or function of the application can employ hardware to realize, example Such as, coordinate as with processor so as to perform the circuit of each step or function.

Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies Within, then the application is also intended to comprising including these changes and modification.

It should be noted that the present invention can be carried out in the assembly of software and/or software and hardware, for example, can adopt With application specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment In, software program of the invention can realize steps described above or function by computing device.Similarly, it is of the invention Software program (including related data structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory, Magnetically or optically driver or floppy disc and similar devices.In addition, some steps or function of the present invention can employ hardware to realize, example Such as, coordinate as with processor so as to perform the circuit of each step or function.

In addition, the part of the present invention can be applied to computer program product, such as computer program instructions, when its quilt When computer performs, by the operation of the computer, the method according to the invention and/or technical scheme can be called or provided. And the programmed instruction of the method for the present invention is called, it is possibly stored in fixed or moveable recording medium, and/or pass through Broadcast or the data flow in other signal bearing medias and be transmitted, and/or be stored according to described program instruction operation In the working storage of computer equipment.Here, including a device according to one embodiment of present invention, the device includes using Memory in storage computer program instructions and processor for execute program instructions, wherein, when the computer program refers to When order is by the computing device, method and/or skill of the plant running based on foregoing multiple embodiments according to the present invention are triggered Art scheme.

It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.This Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table Show title, and be not offered as any specific order.

Claims

1. a kind of pedestrains safety guard method for vehicle, wherein, the vehicle body periphery of the vehicle is provided with one or more Air cavity, methods described include：

Obtain the vehicle traveling information of vehicle；

2. the method according to claim 11, wherein, it is described one or more of based on vehicle traveling information control The air pressure of target air cavity includes in air cavity：

The target air pressure information of target air cavity in one or more of air cavitys is determined based on the vehicle traveling information；

Air pressure in the target air cavity is controlled according to the target air pressure information.

3. according to the method for claim 2, wherein, it is described determined based on the vehicle traveling information it is one or more of The target air pressure information of target air cavity includes in air cavity：

The target gas of target air cavity in one or more of air cavitys is determined based on the speed information in the vehicle traveling information Press information.

4. according to the method for claim 2, wherein, it is described determined based on the vehicle traveling information it is one or more of The target air pressure information of target air cavity includes in air cavity：

One or more of gas are determined based on the vehicle in the vehicle traveling information and the relative velocity of external object The target air pressure information of target air cavity in chamber.

5. according to the method any one of claim 2-4, wherein, methods described also includes：

Determine target air cavity corresponding to vehicle traveling information described in one or more of air cavitys；

Wherein, the target air pressure letter that target air cavity in one or more of air cavitys is determined based on the vehicle traveling information Breath includes：

The target air pressure information of the target air cavity is determined based on the vehicle traveling information.

6. according to the method for claim 1, wherein, the target air cavity is arranged at following any vehicle body of the vehicle Outer peripheral portion：

Towards the vehicle body outer peripheral portion of the direction of traffic of the vehicle；

The vehicle body outer peripheral portion that the vehicle is pressurized；

Towards the vehicle body outer peripheral portion of the external object of the vehicle.

7. according to the method for claim 1, wherein, methods described also includes：

Between the target air cavity is moved down so that the distance between the track of the target air cavity and the vehicle is less than or equal to Gap threshold value, or start auxiliary air cavity corresponding to the target air cavity, wherein, the traveling road of the auxiliary air cavity and the vehicle Distance between face is less than or equal to gap threshold.

8. according to the method for claim 7, wherein, it is described move down the target air cavity so that the target air cavity with it is described Distance between the track of vehicle is less than or equal to gap threshold, or starts auxiliary air cavity corresponding to the target air cavity, Wherein, the distance between the track of the auxiliary air cavity and the vehicle includes less than or equal to gap threshold：

If the vehicle meets trigger condition, the target air cavity is moved down so that the traveling road of the target air cavity and the vehicle Distance between face is less than or equal to gap threshold, or starts auxiliary air cavity corresponding to the target air cavity, wherein, the auxiliary Distance between the track of air cavity and the vehicle is less than or equal to gap threshold.

9. according to the method for claim 8, wherein, the trigger condition includes following at least any one：

The vehicle traveling information collides event including the vehicle；

Pressure perception information in the vehicle traveling information is more than or equal to impact pressure threshold information；

Distance between the external object of the vehicle and the vehicle is less than or equal to distance threshold information；

Relative velocity between the external object of the vehicle and the vehicle is more than or equal to relative velocity threshold information；

10. according to the method for claim 1, wherein, the target air cavity includes top air cavity and bottom air cavity, wherein, The top air cavity meets following at least any one with the bottom air cavity：

Air cavity pressure in the top air cavity is less than the air cavity pressure in the bottom air cavity；

The air cavity material stiffness of the top air cavity is less than the air cavity material stiffness of the bottom air cavity；

The thickness of the top air cavity is less than the thickness of the bottom air cavity；

11. according to the method for claim 1, wherein, methods described also includes：

The event if vehicle collides, determine corresponding with the collision accident in one or more of air cavitys to be touched gas Chamber；

To being performed charge operation by the adjacent air cavity of air cavity is touched in one or more of air cavitys.

12. according to the method for claim 1, wherein, methods described also includes：

If the vehicle traveling information meets brake hard condition, brake hard is performed to the vehicle in traveling.

13. a kind of pedestrains safety protection equipment for vehicle, wherein, the equipment includes：

Harvester, for obtaining the vehicle traveling information of vehicle；

Control device, for controlling the air pressure of target air cavity in one or more of air cavitys based on the vehicle traveling information.

14. equipment according to claim 13, wherein, the control device includes：

Target air pressure information determination unit, for determining target in one or more of air cavitys based on the vehicle traveling information The target air pressure information of air cavity；

Pressure control unit, for controlling the air pressure in the target air cavity according to the target air pressure information.

15. equipment according to claim 14, wherein, the target air pressure information determination unit is used for：

16. equipment according to claim 14, wherein, the target air pressure information determination unit is used for：

17. according to the equipment any one of claim 14-16, wherein, the equipment also includes：

Target air cavity determining device, for determining target gas corresponding to vehicle traveling information described in one or more of air cavitys Chamber；

Wherein, the target air pressure information determination unit is used for：

18. equipment according to claim 13, wherein, the target air cavity is arranged at following any car of the vehicle Body outer peripheral portion：

The vehicle body outer peripheral portion that the vehicle is pressurized；

19. equipment according to claim 13, wherein, the equipment also includes：

First performs device, for moving down the target air cavity so that between the track of the target air cavity and the vehicle Distance is less than or equal to gap threshold, or starts auxiliary air cavity corresponding to the target air cavity, wherein, the auxiliary air cavity and Distance between the track of the vehicle is less than or equal to gap threshold.

20. vehicle according to claim 19, wherein, first performs device is used for：

21. equipment according to claim 20, wherein, the trigger condition includes following at least any one：

The vehicle traveling information collides event including the vehicle；

22. equipment according to claim 13, wherein, the target air cavity includes top air cavity and bottom air cavity, wherein, The top air cavity meets following at least any one with the bottom air cavity：

23. equipment according to claim 13, wherein, the equipment also includes：

Second performs device, if colliding event for the vehicle, determine to touch with described in one or more of air cavitys Hit and touched air cavity corresponding to event；To being performed charge operation by the adjacent air cavity of air cavity is touched in one or more of air cavitys.

24. equipment according to claim 13, wherein, the equipment also includes：

3rd performs device, if meeting brake hard condition for the vehicle traveling information, the vehicle in traveling is held Row brake hard.

25. a kind of pedestrains safety protection equipment for vehicle, including：

One or more processors；

Memory；And

One or more programs, wherein one or more of programs are stored in the memory, and be configured to by One or more of computing devices, described program include being used to perform the side as any one of claim 1-12 Method.

26. a kind of computer-readable recording medium, is stored thereon with computer program, the computer program can be held by processor Row is in the method as any one of claim 1-12.

27. a kind of vehicle-mounted pedestrian safety features, it is characterised in that the equipment includes：

The inflation unit and exhaust unit being connected with the air cavity；

The control device electrically connected with the inflation unit；

The air cavity is inflated to target air pressure, the exhaust unit by the inflation unit according to the electric signal of the control device For performing bleeding to the air cavity.

28. equipment according to claim 27, it is characterised in that the control device electrically connects with the exhaust unit, The exhaust unit performs bleeding according to the electric signal of the control device to the air cavity.

29. equipment according to claim 27, it is characterised in that the exhaust unit includes one way sequence valve, the list Bleeding is performed to the air cavity when pressure being used for sequence valve in the air cavity meets or exceeds threshold value.

30. equipment according to claim 27, it is characterised in that the air cavity includes top air cavity and bottom air cavity, its In, the top air cavity meets following at least any one with the bottom air cavity：

The thickness of the top air cavity is less than the thickness of the bottom air cavity.

31. equipment according to claim 27, it is characterised in that the equipment also includes the periphery for being arranged at the vehicle Sliding equipment, the air cavity is installed on the sliding equipment, and can be moved along the sliding equipment.

32. equipment according to claim 27, it is characterised in that the equipment also includes auxiliary gas corresponding to the air cavity Chamber, wherein, the distance between the track of the auxiliary air cavity and the vehicle is less than the traveling of the air cavity and the vehicle Distance between road surface.

33. equipment according to claim 27, it is characterised in that the control device is based on MCU or FPGA and realized.

34. equipment according to claim 27, it is characterised in that the control device includes：

Input circuit；

The comparison circuit electrically connected with the input circuit；

The control circuit electrically connected with the comparison circuit；

The input circuit receives the vehicle traveling information of the vehicle, and the vehicle traveling information is transmitted to the comparison Circuit；

The comparison circuit is based on vehicle traveling information generation output voltage signal, and the output voltage signal is transmitted To the control circuit；

The control circuit receives the output voltage signal, and one or more of gas are determined based on the output voltage signal The target air pressure information of chamber, and corresponding Stress control is exported to inflation unit or exhaust unit based on the target air pressure information Instruction, wherein, Stress control instruction include controlling the inflation unit by the corresponding air cavity be inflated to target air pressure, Or the corresponding air cavity is vented to target air pressure by the control exhaust unit.

35. equipment according to claim 34, it is characterised in that the equipment also includes electrically connecting with the control device Or the vehicle-mounted sensing device of communication connection；

The vehicle-mounted sensing device is used for the vehicle traveling information for gathering the vehicle in real time, and the vehicle traveling information is defeated Enter to the control device.

36. a kind of vehicle, it is characterised in that the vehicle includes vehicle-mounted pedestrian safety features, the vehicle-mounted pedestrian safety Protection equipment is included in one or more air cavitys that the vehicle body periphery of vehicle is set, and the air cavity is in opening；

The inflation unit and exhaust unit being connected with the air cavity；

The control device electrically connected with the inflation unit；