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CN104590185A - Child pedestrian protection device of automobile - Google Patents

Child pedestrian protection device of automobile
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Publication number
CN104590185A
CN104590185ACN201410797059.8ACN201410797059ACN104590185ACN 104590185 ACN104590185 ACN 104590185ACN 201410797059 ACN201410797059 ACN 201410797059ACN 104590185 ACN104590185 ACN 104590185A
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control unit
electronic control
engine electronic
car
child
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CN201410797059.8A
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吕晓江
孙立志
王国荣
朱麟凯
杨海燕
周大永
刘卫国
吴成明
冯擎峰
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Priority to CN201410797059.8ApriorityCriticalpatent/CN104590185A/en
Publication of CN104590185ApublicationCriticalpatent/CN104590185A/en
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Abstract

Translated fromChinese

本发明提供一种汽车儿童行人保护装置,用于在倒车时于汽车后方保护儿童行人,包括发动机电子控制单元、安全气囊控制单元、摄像头、压力传感器及安全气囊,安全气囊控制单元与发动机电子控制单元连接,摄像头和压力传感器分别与发动机电子控制单元电性连接,安全气囊与安全气囊控制单元连接,摄像头设置于汽车后保险杠上,压力传感器设置于后保险杠内侧,安全气囊设置于汽车后防撞梁位置;当倒车过程汽车后部碰撞儿童行人时,压力传感器感测汽车碰撞力达到儿童行人不受损伤所能承载的极限值且发动机电子控制单元确认摄像头中图像为儿童行人,发动机电子控制单元向安全气囊控制单元发出引爆信号,安全气囊控制单元控制安全气囊展开以保护儿童。

The invention provides a car child pedestrian protection device, which is used to protect child pedestrians behind the car when reversing, comprising an engine electronic control unit, a safety airbag control unit, a camera, a pressure sensor and a safety airbag, the safety airbag control unit and the engine electronic control unit Unit connection, the camera and the pressure sensor are electrically connected to the engine electronic control unit respectively, the airbag is connected to the airbag control unit, the camera is set on the rear bumper of the car, the pressure sensor is set on the inner side of the rear bumper, and the airbag is set on the rear of the car The position of the anti-collision beam; when the rear of the car collides with a child pedestrian in the process of reversing, the pressure sensor senses that the collision force of the car reaches the limit value that the child pedestrian can bear without being damaged, and the engine electronic control unit confirms that the image in the camera is a child pedestrian. The control unit sends a detonation signal to the airbag control unit, and the airbag control unit controls the deployment of the airbag to protect children.

Description

Translated fromChinese
汽车儿童行人保护装置Car child pedestrian protection device

技术领域technical field

本发明涉及汽车安全技术领域,尤其涉及一种汽车儿童行人保护装置。The invention relates to the technical field of automobile safety, in particular to an automobile child pedestrian protection device.

背景技术Background technique

随着社会的发展,汽车作为一种代步工具开始走进千家万户,而汽车作为一种交通工具其安全性能也日趋为人们关注,其安全性不仅局限于保护车内成员的安全,而且还要求汽车一旦与行人发生碰撞可以有效的保护行人的安全。根据近年来交通事故数据的统计结果显示,在汽车倒车情况下3-6岁儿童伤亡比例呈上升趋势,事故多发生在住宅小区、停车场、学校附近等儿童行人密集场所,由于3-6岁的儿童行人存在好动、行走轨迹随意性大、以及身高矮小汽车后视镜不易观察等特点,故容在汽车倒车时易发生汽车碰撞儿童行人的状况,一旦发生碰撞,轻者造成儿童行人身体上的伤害,重者会造成儿童行人卷入车底、碾压等伤亡事故。With the development of society, automobiles, as a means of transportation, have begun to enter thousands of households, and the safety performance of automobiles as a means of transportation has also attracted people's attention. It is required that once a car collides with a pedestrian, it can effectively protect the safety of the pedestrian. According to the statistical results of traffic accident data in recent years, the proportion of casualties among children aged 3-6 is on the rise in the case of a car reversing. Children pedestrians have the characteristics of restlessness, randomness of walking trajectory, and short car rearview mirrors are not easy to observe. Therefore, when the car is reversing, it is easy for the car to collide with children pedestrians. In severe cases, children and pedestrians will be involved in car bottoms, crushed and other casualties.

然而,目前汽车儿童行人保护装置仅仅局限于在汽车的前端或前部设置有塑料支撑板或钢制支撑件等来防止行人下肢被卷入车底,而并没有考虑到从汽车的后端或后部对儿童行人进行相应的保护,同时也并没有研发相应的汽车儿童行人保护装置。However, the current car child pedestrian protection device is limited to the front or front of the car is provided with a plastic support plate or steel support, etc. to prevent the lower limbs of pedestrians from being involved in the bottom of the car, and does not take into account the impact from the rear or the rear of the car. The rear provides corresponding protection for child pedestrians, and at the same time, no corresponding car child pedestrian protection device has been developed.

发明内容Contents of the invention

鉴于上述状况,有必要提供一种结构简单、可有效保护儿童行人的汽车儿童行人保护装置,以从汽车的后部保护儿童行人,解决现有技术中的不足。In view of the above situation, it is necessary to provide a car child pedestrian protection device with simple structure, which can effectively protect child pedestrians, so as to protect child pedestrians from the rear of the car and solve the deficiencies in the prior art.

本发明提供一种汽车儿童行人保护装置,用于在倒车时于汽车后方保护儿童行人,包括发动机电子控制单元、安全气囊控制单元、摄像头、压力传感器、以及安全气囊,所述安全气囊控制单元与所述发动机电子控制单元连接,所述摄像头以及所述压力传感器分别与所述发动机电子控制单元电性连接,所述安全气囊与所述安全气囊控制单元连接,所述摄像头设置于汽车的后保险杠上,所述压力传感器设置于后保险杠内侧,所述安全气囊设置于汽车的后防撞梁的位置;当倒车过程中汽车的后部碰撞儿童行人时,所述压力传感器感测汽车碰撞力的大小并实时反馈给所述发动机电子控制单元,一旦碰撞力达到儿童行人不受损伤所能承载的极限值且同时所述发动机电子控制单元确认所述摄像头中图像为儿童行人,所述发动机电子控制单元向所述安全气囊控制单元发出引爆信号,所述安全气囊控制单元控制所述安全气囊从后保险杠底部展开,以对儿童身体形成防护。The invention provides a child pedestrian protection device for a car, which is used to protect children and pedestrians behind the car when reversing. It includes an engine electronic control unit, a safety airbag control unit, a camera, a pressure sensor, and a safety airbag. The engine electronic control unit is connected, the camera and the pressure sensor are respectively electrically connected to the engine electronic control unit, the airbag is connected to the airbag control unit, and the camera is arranged on the rear fuse of the car. On the bumper, the pressure sensor is arranged inside the rear bumper, and the airbag is arranged at the position of the rear anti-collision beam of the car; when the rear of the car collides with children and pedestrians in the process of reversing, the pressure sensor senses the collision of the car The magnitude of the force is fed back to the engine electronic control unit in real time. Once the collision force reaches the limit value that the child pedestrian can bear without being damaged and at the same time the engine electronic control unit confirms that the image in the camera is a child pedestrian, the engine The electronic control unit sends a detonation signal to the airbag control unit, and the airbag control unit controls the airbag to deploy from the bottom of the rear bumper to protect the body of the child.

进一步地,所述汽车儿童行人保护装置还包括车载音响,所述车载音响与所述发动机电子控制单元电性连接;倒车时,所述发动机电子控制单元控制所述摄像头开启,所述发动机电子控制单元识别所述摄像头中图像为儿童行人并判断其在汽车后方一定距离内,所述发动机电子控制单元控制所述车载音响对汽车的驾驶舱内的驾驶员发出声音提醒,以提醒驾驶员注意汽车后方的儿童行人。Further, the car child pedestrian protection device also includes a car audio, the car audio is electrically connected to the engine electronic control unit; when reversing, the engine electronic control unit controls the camera to turn on, and the engine electronic control unit The unit recognizes that the image in the camera is a child pedestrian and judges that it is within a certain distance behind the car, and the engine electronic control unit controls the car audio to sound a reminder to the driver in the cockpit of the car to remind the driver to pay attention to the car. Child pedestrians in the rear.

进一步地,所述汽车儿童行人保护装置还包括仪表盘,所述仪表盘与所述发动机电子控制单元电性连接;倒车时,所述发动机电子控制单元控制所述摄像头开启,所述发动机电子控制单元识别所述摄像头中图像为儿童行人并判断其在汽车后方一定距离内,所述发动机电子控制单元控制所述仪表盘对汽车的驾驶舱内的驾驶员发出所述仪表盘显示提醒,以提醒驾驶员注意汽车后方的儿童行人。Further, the vehicle child pedestrian protection device also includes a dashboard, the dashboard is electrically connected to the engine electronic control unit; when reversing, the engine electronic control unit controls the camera to be turned on, and the engine electronic control unit The unit recognizes that the image in the camera is a child pedestrian and judges that it is within a certain distance behind the car, and the engine electronic control unit controls the instrument panel to issue the instrument panel display reminder to the driver in the cockpit of the car to remind Drivers watch out for child pedestrians behind the car.

进一步地,所述一定距离为5米。Further, the certain distance is 5 meters.

进一步地,所述汽车儿童行人保护装置还包括刹车开关,所述刹车开关与所述发动机电子控制单元电性连接,当所述发动机电子控制单元判断有必要引爆所述安全气囊,所述发动机电子控制单元控制所述刹车开关开启汽车停止运动。Further, the vehicle child pedestrian protection device also includes a brake switch, the brake switch is electrically connected to the engine electronic control unit, when the engine electronic control unit judges that it is necessary to detonate the airbag, the engine electronic control unit The control unit controls the brake switch to turn on the car to stop moving.

进一步地,所述发动机电子控制单元通过CAN总线与所述发动机电子控制单元连接。Further, the engine electronic control unit is connected with the engine electronic control unit through a CAN bus.

进一步地,所述汽车儿童行人保护装置用于机动车辆。Further, the car child pedestrian protection device is used in motor vehicles.

如上所述,本发明实施例的技术方案带来的有益效果是:上述汽车儿童行人保护装置,在倒车时可有效提醒驾驶员注意汽车后方一定距离内的儿童行人,一旦碰撞后方的儿童行人上述汽车儿童行人保护装置可有效保护儿童行人,避免或减缓其对儿童行人的碰撞,防止儿童行人被卷入车底、碾压等严重事故的发生。As mentioned above, the beneficial effect brought by the technical solution of the embodiment of the present invention is: the above-mentioned car child pedestrian protection device can effectively remind the driver to pay attention to the child pedestrian within a certain distance behind the car when reversing. The car child pedestrian protection device can effectively protect children and pedestrians, avoid or slow down their collision with children and pedestrians, and prevent children and pedestrians from being involved in the bottom of the car, crushed and other serious accidents.

附图说明Description of drawings

为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

图1是本发明的汽车儿童行人保护装置的结构示意图。Fig. 1 is a structural schematic diagram of a child and pedestrian protection device for a car of the present invention.

图2是本发明的汽车儿童行人保护装置的安全气囊打开状态的结构示意图。Fig. 2 is a structural schematic diagram of the airbag opening state of the automobile child pedestrian protection device of the present invention.

图3是本发明的汽车儿童行人保护装置的架构示意图。Fig. 3 is a schematic diagram of the structure of the vehicle child pedestrian protection device of the present invention.

具体实施方式Detailed ways

为更进一步阐述本发明为达成预定发明目的所采取的技术手段及功效,以下结合附图及较佳实施例,对本发明的具体实施方式、结构、特征及其功效,详细说明如后。In order to further explain the technical means and effects adopted by the present invention to achieve the intended invention purpose, the specific implementation, structure, features and effects of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

图1是是本发明的汽车儿童行人保护装置的结构示意图,图2是本发明的汽车儿童行人保护装置的安全气囊打开状态的结构示意图,图3是本发明的汽车儿童行人保护装置的架构示意图,图1、2中除了汽车儿童行人保护装置10之外还包括汽车20、后防撞梁21、后保险杠22、以及驾驶舱23。请参见图1至图3所示,本发明实施例的汽车儿童行人保护装置10用于在倒车时于汽车后方保护儿童行人,且其用于汽车等机动车辆上,其包括发动机电子控制单元(Electronic Control Unit,ECU)11、安全气囊控制单元12、摄像头13、压力传感器14、车载音响15、仪表盘16、以及安全气囊17。安全气囊控制单元12通过CAN(ControllerArea Network,CAN)总线与发动机电子控制单元11连接,CAN总线属于现场总线的范畴,其为一种有效支持分布式控制或实时控制的串行通信网络。摄像头13、压力传感器14、车载音响15、以及仪表盘16分别与发动机电子控制单元11电性连接,安全气囊17与安全气囊控制单元12连接。Fig. 1 is a schematic structural view of the child and pedestrian protection device for automobiles of the present invention, Fig. 2 is a schematic structural view of the airbag opening state of the child and pedestrian protection device for automobiles of the present invention, and Fig. 3 is a schematic structural diagram of the child and pedestrian protection device for automobiles of the present invention 1 and 2, in addition to the car child pedestrian protection device 10 also includes a car 20, a rear bumper 21, a rear bumper 22, and a cockpit 23. 1 to 3, the car child pedestrian protection device 10 of the embodiment of the present invention is used to protect child pedestrians behind the car when reversing, and it is used on motor vehicles such as cars, which includes an engine electronic control unit ( Electronic Control Unit (ECU) 11, airbag control unit 12, camera 13, pressure sensor 14, car audio 15, instrument panel 16, and airbag 17. The airbag control unit 12 is connected to the engine electronic control unit 11 through a CAN (ControllerArea Network, CAN) bus. The CAN bus belongs to the field bus category, and it is a serial communication network that effectively supports distributed control or real-time control. The camera 13 , the pressure sensor 14 , the car audio system 15 , and the instrument panel 16 are respectively electrically connected to the engine electronic control unit 11 , and the airbag 17 is connected to the airbag control unit 12 .

发动机电子控制单元11分别与摄像头13、压力传感器14、车载音响15、以及仪表盘16电性连接,发动机电子控制单元11通过CAN总线与安全气囊控制单元12连接。发动机电子控制单元11是发动机的控制中心,其可分析处理压力传感器14采集到的各种信息以及摄像头13监控的情况,并向执行元件如车载音响15、仪表盘16以及安全气囊控制单元12发出控制指令。The engine electronic control unit 11 is electrically connected to the camera 13 , the pressure sensor 14 , the car audio system 15 , and the instrument panel 16 respectively, and the engine electronic control unit 11 is connected to the airbag control unit 12 through the CAN bus. The engine electronic control unit 11 is the control center of the engine, which can analyze and process various information collected by the pressure sensor 14 and the situation monitored by the camera 13, and send information to the executive components such as the car audio 15, the instrument panel 16 and the airbag control unit 12. Control instruction.

安全气囊控制单元12与至少一安全气囊17连接,至少一安全气囊17设置于汽车20的后防撞梁21的位置,安全气囊控制单元12还通过CAN总线与发动机电子控制单元11连接,发动机电子控制单元11判断是否有必要引爆安全气囊17,若有必要,发动机电子控制单元11向安全气囊控制单元12发出引爆信号,安全气囊控制单元12控制安全气囊17从汽车20的后防撞梁21底部展开,若没有必要,则发动机电子控制单元11不发出引爆信号。The safety airbag control unit 12 is connected with at least one safety airbag 17, and at least one safety airbag 17 is arranged on the position of the rear anti-collision beam 21 of the automobile 20. The safety airbag control unit 12 is also connected with the engine electronic control unit 11 through the CAN bus, and the engine electronics The control unit 11 judges whether it is necessary to detonate the safety airbag 17. If necessary, the engine electronic control unit 11 sends a detonation signal to the safety airbag control unit 12, and the safety airbag control unit 12 controls the safety airbag 17 from the bottom of the rear anti-collision beam 21 of the automobile 20. Unfold, if not necessary, then engine electronic control unit 11 does not send detonation signal.

摄像头13与发动机电子控制单元11电性连接,摄像头13设置于汽车20后部的后保险杠22的表面上,摄像头13用于倒车时监控汽车20后方的情况。The camera 13 is electrically connected with the engine electronic control unit 11, and the camera 13 is arranged on the surface of the rear bumper 22 at the rear of the automobile 20. The camera 13 is used to monitor the situation behind the automobile 20 when reversing.

压力传感器14用于倒车时实时感测汽车20后部的碰撞力的大小并反馈给发动机电子控制单元11,压力传感器14的数量至少为1个,压力传感器14与发动机电子控制单元11电性连接,压力传感器14设置于汽车20后部的后保险杠22内侧。The pressure sensor 14 is used for real-time sensing of the collision force at the rear of the automobile 20 when reversing and feeds it back to the engine electronic control unit 11. The number of the pressure sensor 14 is at least one, and the pressure sensor 14 is electrically connected to the engine electronic control unit 11 , the pressure sensor 14 is arranged inside the rear bumper 22 at the rear of the car 20 .

车载音响15与发动机电子控制单元11电性连接,车载音响15设置于汽车20的驾驶舱23内部,发动机电子控制单元11可控制车载音响15发出声音提醒警示驾驶舱23内的驾驶员注意汽车20后方一定距离内有儿童行人,在本实施例中,该一定距离优选5米,但不限于此。The car audio 15 is electrically connected with the engine electronic control unit 11, and the car audio 15 is arranged inside the cockpit 23 of the automobile 20. The engine electronic control unit 11 can control the car audio 15 to make a sound to remind drivers in the cockpit 23 to pay attention to the car 20 There are children and pedestrians within a certain distance behind. In this embodiment, the certain distance is preferably 5 meters, but it is not limited thereto.

仪表盘16与发动机电子控制单元11电性连接,发动机电子控制单元11可控制仪表盘16显示提醒驾驶舱23内的驾驶员注意汽车20后方一定距离内有儿童行人,在本实施例中,该一定距离优选5米,但不限于此。The instrument panel 16 is electrically connected with the engine electronic control unit 11, and the engine electronic control unit 11 can control the instrument panel 16 to display and remind the driver in the cockpit 23 to pay attention to the presence of children and pedestrians within a certain distance behind the automobile 20. In this embodiment, the The certain distance is preferably 5 meters, but not limited thereto.

汽车儿童行人保护装置10还可包括有刹车开关18,刹车开关18与发动机电子控制单元11电性连接,当发动机电子控制单元11判断有必要引爆安全气囊17,发动机电子控制单元11向安全气囊控制单元12发出引爆信号同时控制刹车开关18开启汽车20停止运动。The car child pedestrian protection device 10 can also include a brake switch 18, the brake switch 18 is electrically connected to the engine electronic control unit 11, when the engine electronic control unit 11 judges that it is necessary to detonate the airbag 17, the engine electronic control unit 11 will control the airbag The unit 12 sends a detonation signal and simultaneously controls the brake switch 18 to turn on the car 20 to stop moving.

参见图1至图3所示,上述实施例中的汽车儿童行人保护装置10的工作原理如下:Referring to Fig. 1 to Fig. 3, the working principle of the vehicle child pedestrian protection device 10 in the above embodiment is as follows:

具体地,当汽车倒车时,发动机电子控制单元11控制摄像头13开启并接收摄像头13的监控图像,发动机电子控制单元11识别摄像头13的监控图像中儿童行人的身体特征,并判断汽车20后方一定距离优选5米内有儿童行人时,发动机电子控制单元11分别控制车载音响15以及仪表盘16而对汽车20的驾驶舱23内的驾驶员发出声音提醒以及仪表盘16的显示提醒,提醒驾驶员注意汽车20后方的儿童行人。当倒车时汽车20的后部(即汽车20的后保险杠22)碰撞儿童行人时,后保险杠22上的压力传感器14感测汽车20的碰撞力的大小(即汽车20的碰撞程强度),压力传感器14实时跟踪感测汽车20的碰撞力大小并反馈给发动机电子控制单元11,一旦压力传感器14感测碰撞力达到儿童行人不受损伤所能承载的极限值且同时发动机电子控制单元11确认摄像头13中的图像为儿童行人时,发动机电子控制单元11向安全气囊控制单元12发出引爆安全气囊信号,安全气囊控制单元12控制安全气囊17从汽车20的后保险杠22底部展开,而对儿童身体形成有效的碰撞防护同时又能防止儿童被卷入汽车20的底部。Specifically, when the car is reversing, the engine electronic control unit 11 controls the camera 13 to turn on and receives the monitoring image of the camera 13, and the engine electronic control unit 11 recognizes the physical characteristics of children and pedestrians in the monitoring image of the camera 13, and judges that a certain distance behind the car 20 When there are children pedestrians within the preferred 5 meters, the engine electronic control unit 11 controls the car audio system 15 and the instrument panel 16 respectively and sends a sound reminder and the display reminder of the instrument panel 16 to the driver in the cockpit 23 of the automobile 20, reminding the driver to pay attention to the car 20 Child pedestrians in the rear. When reversing, the rear portion (i.e. the rear bumper 22 of the automobile 20) of the automobile 20 bumps into a child pedestrian, the pressure sensor 14 on the rear bumper 22 senses the size of the collision force of the automobile 20 (i.e. the collision range strength of the automobile 20) , the pressure sensor 14 tracks and senses the magnitude of the collision force of the automobile 20 in real time and feeds it back to the engine electronic control unit 11. Once the pressure sensor 14 senses that the collision force reaches the limit value that children and pedestrians can bear without being damaged and at the same time, the engine electronic control unit 11 When confirming that the image in the camera 13 is a child pedestrian, the engine electronic control unit 11 sends a detonation air bag signal to the air bag control unit 12, and the air bag control unit 12 controls the air bag 17 to deploy from the rear bumper 22 bottom of the automobile 20, and The child's body forms effective collision protection while preventing the child from being drawn into the bottom of the car 20 .

如上所述,本发明实施例的技术方案带来的有益效果是:上述汽车儿童行人保护装置10,在倒车时可有效提醒驾驶员注意汽车后方一定距离内的儿童行人,一旦碰撞后方的儿童行人上述汽车儿童行人保护装置10可有效保护儿童行人,避免或减缓其对儿童行人的碰撞,防止儿童行人被卷入车底、碾压等严重事故的发生。As mentioned above, the beneficial effect brought by the technical solution of the embodiment of the present invention is: the above-mentioned car child pedestrian protection device 10 can effectively remind the driver to pay attention to the child pedestrian within a certain distance behind the car when reversing. The vehicle child pedestrian protection device 10 can effectively protect child pedestrians, avoid or slow down their collision with child pedestrians, and prevent child pedestrians from being involved in the bottom of the vehicle, being crushed and other serious accidents.

在本发明中,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,除了包含所列的那些要素,而且还可包含没有明确列出的其他要素。In the present invention, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion of elements other than those listed and also other elements not expressly listed.

在本发明中,所涉及的前、后、上、下等方位词是以附图中零部件位于图中以及零部件相互之间的位置来定义的,只是为了表达技术方案的清楚及方便。应当理解,所述方位词的使用不应限制本申请请求保护的范围。In the present invention, the related orientation words such as front, rear, upper, and lower are defined by the parts in the drawings and the positions between the parts in the drawings, just for the clarity and convenience of expressing the technical solution. It should be understood that the use of the location words should not limit the scope of protection claimed in this application.

在不冲突的情况下,本发明中上述实施例及实施例中的特征可以相互结合。In the case of no conflict, the above-mentioned embodiments and features in the embodiments of the present invention can be combined with each other.

以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (7)

Translated fromChinese
1.一种汽车儿童行人保护装置(10),用于在倒车时于汽车(20)后方保护儿童行人,其特征在于:包括发动机电子控制单元(11)、安全气囊控制单元(12)、摄像头(13)、压力传感器(14)、以及安全气囊(17),所述安全气囊控制单元(12)与所述发动机电子控制单元(11)连接,所述摄像头(13)以及所述压力传感器(14)分别与所述发动机电子控制单元(11)电性连接,所述安全气囊(17)与所述安全气囊控制单元(12)连接,所述摄像头(13)设置于汽车(20)的后保险杠(22)上,所述压力传感器(14)设置于后保险杠(22)内侧,所述安全气囊(17)设置于汽车(20)的后防撞梁(21)的位置;当倒车过程中汽车(20)的后部碰撞儿童行人时,所述压力传感器(14)感测汽车(20)碰撞力的大小并实时反馈给所述发动机电子控制单元(11),一旦碰撞力达到儿童行人不受损伤所能承载的极限值且同时所述发动机电子控制单元(11)确认所述摄像头(13)中图像为儿童行人,所述发动机电子控制单元(11)向所述安全气囊控制单元(12)发出引爆信号,所述安全气囊控制单元(12)控制所述安全气囊(17)从后保险杠(22)底部展开,以对儿童身体形成防护。1. A car child pedestrian protection device (10), used to protect child pedestrians at the rear of the car (20) when reversing, is characterized in that: it includes an engine electronic control unit (11), a safety airbag control unit (12), a camera (13), pressure sensor (14), and safety air bag (17), described safety air bag control unit (12) is connected with described engine electronic control unit (11), described camera (13) and described pressure sensor ( 14) respectively electrically connected with the engine electronic control unit (11), the airbag (17) is connected with the airbag control unit (12), and the camera (13) is arranged at the rear of the automobile (20) On the bumper (22), the pressure sensor (14) is arranged on the inside of the rear bumper (22), and the safety air bag (17) is arranged at the position of the rear anti-collision beam (21) of the automobile (20); When the rear of the automobile (20) collides with children and pedestrians during the process, the pressure sensor (14) senses the magnitude of the collision force of the automobile (20) and feeds it back to the engine electronic control unit (11) in real time. The limit value that pedestrians can bear without being damaged and at the same time, the engine electronic control unit (11) confirms that the image in the camera (13) is a child pedestrian, and the engine electronic control unit (11) sends a message to the airbag control unit (12) Sending a detonation signal, the airbag control unit (12) controls the airbag (17) to deploy from the bottom of the rear bumper (22) to protect children's bodies.2.如权利要求1所述的汽车儿童行人保护装置(10),其特征在于:所述汽车儿童行人保护装置(10)还包括车载音响(15),所述车载音响(15)与所述发动机电子控制单元(11)电性连接;倒车时,所述发动机电子控制单元(11)控制所述摄像头(13)开启,所述发动机电子控制单元(11)识别所述摄像头(13)中图像为儿童行人并判断其在汽车(20)后方一定距离内,所述发动机电子控制单元(11)控制所述车载音响(15)对汽车(20)的驾驶舱(23)内的驾驶员发出声音提醒,以提醒驾驶员注意汽车(20)后方的儿童行人。2. The vehicle child pedestrian protection device (10) as claimed in claim 1, characterized in that: the vehicle child pedestrian protection device (10) also includes a car audio (15), and the car audio (15) is connected to the The engine electronic control unit (11) is electrically connected; when reversing, the engine electronic control unit (11) controls the opening of the camera (13), and the engine electronic control unit (11) recognizes the image in the camera (13) is a child pedestrian and judges that he is within a certain distance behind the car (20), the engine electronic control unit (11) controls the car audio (15) to make a sound to the driver in the cockpit (23) of the car (20) Reminder, to remind the driver to pay attention to the child pedestrians in the automobile (20) rear.3.如权利要求1所述的汽车儿童行人保护装置(10),其特征在于:所述汽车儿童行人保护装置(10)还包括仪表盘(16),所述仪表盘(16)与所述发动机电子控制单元(11)电性连接;倒车时,所述发动机电子控制单元(11)控制所述摄像头(13)开启,所述发动机电子控制单元(11)识别所述摄像头(13)中图像为儿童行人并判断其在汽车(20)后方一定距离内,所述发动机电子控制单元(11)控制所述仪表盘(16)对汽车(20)的驾驶舱(23)内的驾驶员发出所述仪表盘(16)显示提醒,以提醒驾驶员注意汽车(20)后方的儿童行人。3. The automobile child pedestrian protection device (10) as claimed in claim 1, characterized in that: the automobile child pedestrian protection device (10) further comprises an instrument panel (16), and the instrument panel (16) is connected to the The engine electronic control unit (11) is electrically connected; when reversing, the engine electronic control unit (11) controls the opening of the camera (13), and the engine electronic control unit (11) recognizes the image in the camera (13) is a child pedestrian and judges that he is within a certain distance behind the car (20), the engine electronic control unit (11) controls the instrument panel (16) to send a message to the driver in the cockpit (23) of the car (20). The instrument panel (16) displays a reminder to remind the driver to pay attention to the child pedestrians at the rear of the automobile (20).4.如权利要求3或4所述的汽车儿童行人保护装置(10),其特征在于:所述一定距离为5米。4. The vehicle child pedestrian protection device (10) according to claim 3 or 4, characterized in that: the certain distance is 5 meters.5.如权利要求1所述的汽车儿童行人保护装置(10),其特征在于:所述汽车儿童行人保护装置(10)还包括刹车开关(18),所述刹车开关(18)与所述发动机电子控制单元(11)电性连接,当所述发动机电子控制单元(11)判断有必要引爆所述安全气囊(17),所述发动机电子控制单元(11)控制所述刹车开关(18)开启汽车(20)停止运动。5. The vehicle child pedestrian protection device (10) according to claim 1, characterized in that: the vehicle child pedestrian protection device (10) also includes a brake switch (18), and the brake switch (18) is connected to the The engine electronic control unit (11) is electrically connected, and when the engine electronic control unit (11) judges that it is necessary to detonate the airbag (17), the engine electronic control unit (11) controls the brake switch (18) Turn on the car (20) to stop the motion.6.如权利要求1所述的汽车儿童行人保护装置(10),其特征在于:所述发动机电子控制单元(11)通过CAN总线与所述发动机电子控制单元(11)连接。6. The automobile child pedestrian protection device (10) according to claim 1, characterized in that: the engine electronic control unit (11) is connected to the engine electronic control unit (11) through a CAN bus.7.如权利要求1所述的汽车儿童行人保护装置(10),其特征在于:所述汽车儿童行人保护装置(10)用于机动车辆。7. The automobile child pedestrian protection device (10) according to claim 1, characterized in that: the automobile child pedestrian protection device (10) is used in a motor vehicle.
CN201410797059.8A2014-12-192014-12-19Child pedestrian protection device of automobilePendingCN104590185A (en)

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