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CN106114442B - A kind of moment opening car door protection technique - Google Patents

A kind of moment opening car door protection technique Download PDF

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Publication number
CN106114442B
CN106114442B CN201610687000.2A CN201610687000A CN106114442B CN 106114442 B CN106114442 B CN 106114442B CN 201610687000 A CN201610687000 A CN 201610687000A CN 106114442 B CN106114442 B CN 106114442B
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vehicle
industrial computer
detection device
door
circuit
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CN106114442A (en
Inventor
黄麒元
朱俊
王致杰
王浩清
周泽坤
王东伟
杜彬
吕金都
王鸿
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Shanghai Dianji University
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Shanghai Dianji University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

本发明涉及一种瞬间开启车门保护技术，包括工控机，以及设置于工控机外部的车外环境检测装置，还包括设置于工控机外部的乘员检测装置，还包括设置于工控机外部的车身自锁装置，还包括设置于工控机外部的车内提醒装置，所述车外检测装置通过电路与工控机相连接，所述乘员检测装置通过电路与工控机相连接，所述车身自锁装置通过电路与工控机相连接，所述车内提醒装置通过电路与工控机相连接，所述车外环境检测装置采用视频检测器，所述视频检测器包括视频采集与传输单元、视频检测主机、控制器与检测系统软件。

The invention relates to a protection technology for instantaneously opening a vehicle door, comprising an industrial computer, an external environment detection device arranged outside the industrial computer, an occupant detection device arranged outside the industrial computer, and a vehicle body automatic device arranged outside the industrial computer. The locking device further includes an in-vehicle reminder device arranged outside the industrial computer, the outside detection device is connected with the industrial computer through a circuit, the occupant detection device is connected with the industrial computer through a circuit, and the body self-locking device is connected through a circuit. The circuit is connected with the industrial computer, the in-vehicle reminder device is connected with the industrial computer through the circuit, and the external environment detection device adopts a video detector, and the video detector includes a video acquisition and transmission unit, a video detection host, a control device and detection system software.

Description

A kind of moment opening car door protection technique
Technical field
The present invention relates to automobile defense technique field, in particular to a kind of moment opening car door protection technique.
Background technique
Already existing anti-collision system for automobile has passive anticollision and active collision avoidance on the market, already existing passive on the market Performance of the anti-collision system in terms of reducing driver and passenger's injures and deaths is unsatisfactory, although Active collision avoidance system can be one Determine the accident that cuts down traffic accidents in degree, but cooperate other anti-collision system effects can more stick, the center of gravity about collision avoidance system is still In the collision for preventing vehicle rear, and specific in the research that prevents pedestrian and vehicle collision door device and not perfect, now Center of gravity about collision avoidance system is still in the collision for preventing vehicle rear, and specific in preventing pedestrian and vehicle collision car door Systematic research, at present at home and abroad all also and not perfect, from the point of view of current present Research, such device is set as working as personnel Preparation is when getting off, system sound an alarm prompting get off personnel note that the personnel of getting off oneself is needed to grasp in the process whether there is or not barriers Hinder object cup to collide, results in system not smart enoughization.Therefore this system prevents collision car door from being ground mainly for intelligence Study carefully, car door can be effectively prevented in the moment of unlatching and pedestrian and automobile crash.
Summary of the invention
The object of the present invention is to provide a kind of moment opening car door protection techniques, for effectively preventing car door in unlatching Moment and pedestrian and automobile crash provide safe traffic environment.
The present invention be solve its technical problem the technical scheme adopted is that
A kind of moment opening car door protection technique, including industrial personal computer, and it is set to the vehicle external environment inspection outside industrial personal computer Device is surveyed, further includes the passenger detection device being set to outside industrial personal computer, further includes that the vehicle body that is set to outside industrial personal computer is self-locking Device, further includes the interior alarm set being set to outside industrial personal computer, and the outer detection device of the vehicle passes through circuit and industrial personal computer phase Connection, the passenger detection device are connected by circuit with industrial personal computer, and the vehicle body self-locking device passes through circuit and industrial personal computer It is connected, the car alarm set is connected by circuit with industrial personal computer；
Further, the vehicle external environment detection device use video detector, by image signal process technology and based on There are many advantages of video detector of calculation machine vision technique, although video detector is affected by weather, can be used The highly sensitive B/W camera of low-light (level) improves the effect of detection and segmentation.He can be detected and be acquired on a large scale To a variety of traffic informations of real-time and precise, analysis obtains the traffic data needed for us.Here primarily to obtaining other vehicles And pedestrian distance and speed, the video detector include video capture and transport unit, video detection host, control Device and detection system software, are capable of detecting when the actual conditions of vehicle periphery, then data are transmitted by data transmission set To inner computer, inner computer processing analysis obtains the travel speed, distance and motion state of pedestrian and other vehicles, meter The time for reaching car door is calculated, determines whether to open interior alarm set and vehicle body self-locking device.Using in vehicle image The two-dimensional position of vehicle and some parameters of measured in advance calculate the practical three-dimensional position of vehicle, if between a set time Every interior shooting two images, then the practical three-dimensional position of vehicle can be calculated according to two images and obtains vehicle in this set time Displacement in interval, to further determine that car speed；
Further, the passenger detection device is internally provided with handle, and the handle is internally provided with condenser type sense of touch Sensor, passenger detection device pass through circuit with vehicle external environment detection device respectively and are connected with industrial personal computer, the detection of vehicle external environment Device is used to detect the speed and distance of pedestrian and vehicle, and realizes forecast function according to the calculating of program, to judge pedestrian Acquired results are delivered to passenger detection device by a possibility that knocking car door with vehicle, then by the sense of touch in passenger detection device Formula sensor detects the information of occupant's door opening, and interior alarm set and the self-locking dress of vehicle body are controlled after being handled by industrial personal computer It sets；
Further, the interior self-locking device is internally provided with snap-gauge, vehicle body self-locking device and interior alarm set Principle is to learn that someone will open car door by condenser type tactile sensor, if learnt on inspection and pedestrian and other vehicles There is the possibility of collision, then realizes opening and closing lock function by the drive path between industrial personal computer control handle and snap-gauge；
Further, the interior alarm set is internally provided with alarm device, is realized by alarm device to occupant Prompting, notify occupant pay attention to preventing with personnel outside vehicle and other pass through automobile crash；
It is an advantage of the current invention that
This kind of moment opening car door protection technique is accomplished that when vehicle and pedestrian in system induction surrounding a certain range, in advance When measuring your enabling to be possible to bump against pedestrian or other vehicles, and touching handlebar enabling, car can have alarm set to ring at once It rises, it is potential dangerous to remind you, and lock a door automatically simultaneously, by taking the above measure to prevent the generation of such accident, to reach Reduce the probability that such accident occurs, safe traffic environment is provided.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of moment opening car door protection technique proposed by the present invention；
Fig. 2 is the work flow diagram of moment opening car door protection technique proposed by the present invention；
Wherein: 1- vehicle external environment detection device；2- passenger detection device；3- industrial personal computer；4- vehicle body self-locking device；5- is interior Alarm set.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Diagram and specific embodiment are closed, the present invention is further explained.
As shown in Figures 1 and 2, moment opening car door protection technique proposed by the present invention includes industrial personal computer 3, and is set to Vehicle external environment detection device 1 outside industrial personal computer 3, further includes the passenger detection device 2 being set to outside industrial personal computer 3, further includes The vehicle body self-locking device 4 being set to outside industrial personal computer 3 further includes the interior alarm set 5 being set to outside industrial personal computer 3；
Referring to Fig.1, the outer detection device of the vehicle is connected by circuit with industrial personal computer 3, and the passenger detection device 2 passes through Circuit is connected with industrial personal computer 3, and the vehicle body self-locking device 4 is connected by circuit with industrial personal computer 3, the car alarm set 5 are connected by circuit with industrial personal computer 3；
Further, the vehicle external environment detection device 1 use video detector, by image signal process technology and based on There are many advantages of video detector of calculation machine vision technique, although video detector is affected by weather, can be used The highly sensitive B/W camera of low-light (level) improves the effect of detection and segmentation.He can be detected and be acquired on a large scale To a variety of traffic informations of real-time and precise, analysis obtains the traffic data needed for us.Here primarily to obtaining other vehicles And pedestrian distance and speed, the video detector include video capture and transport unit, video detection host, control Device and detection system software, are capable of detecting when the actual conditions of vehicle periphery, then data are transmitted by data transmission set To inner computer, inner computer processing analysis obtains the travel speed, distance and motion state of pedestrian and other vehicles, meter The time for reaching car door is calculated, determines whether to open interior alarm set 5 and vehicle body self-locking device 4.Utilize vehicle image The two-dimensional position of middle vehicle and some parameters of measured in advance calculate the practical three-dimensional position of vehicle, if in a set time Interval in shoot two images, then can be calculated according to two images the practical three-dimensional position of vehicle obtain vehicle herein fix when Between interval in displacement, to further determine that car speed；
Further, the passenger detection device 2 is internally provided with handle, and the handle is internally provided with condenser type sense of touch Sensor, passenger detection device 2 are connected by circuit with industrial personal computer 3 respectively with vehicle external environment detection device 1, the inspection of vehicle external environment Speed and distance that device 1 is used to detect pedestrian and vehicle are surveyed, and forecast function is realized according to the calculating of program, to judge to go Acquired results are delivered to passenger detection device 2 by a possibility that people and vehicle knock car door, then by passenger detection device 2 Tactile sensor detects the information of occupant's door opening, and interior alarm set 5 and vehicle body are controlled after being handled by industrial personal computer 3 Self-locking device 4；
Further, the interior self-locking device is internally provided with snap-gauge, vehicle body self-locking device 4 and interior alarm set 5 Principle be to learn that someone will open car door by condenser type tactile sensor, if learnt on inspection and pedestrian and other Vehicle has the possibility of collision, then realizes opening and closing lock function by the drive path between 3 control handle of industrial personal computer and snap-gauge；
Further, the interior alarm set 5 is internally provided with alarm device, is realized by alarm device to occupant Prompting, notify occupant pay attention to preventing with personnel outside vehicle and other pass through automobile crash；
Referring to Fig. 2, the frequency of the velocity sensor square-wave signal on itself speed changer of usual automobile works as vehicle in 0-200Hz Speed drops to 10km/h hereinafter, when i.e. velocity sensor output frequency only has several hertz, and system starts.After system starting, need Meet following two condition:
Condition one: other traffic participants collide with this vehicle in order to prevent, need to detect rear of vehicle situation.According to stopping Vehicle sighting distance S, and in view of the most probable velocity of vehicle on real road, last rear monitoring distance value is 110m.Vehicle The monitoring of two sides need to consider road width, and combine general vehicle commander and precision problem, obtain value 3m.
Condition two: in the case where having determined that judgement vehicle and pedestrian have the danger for knocking car door, if 2 quilt of passenger detection device Triggering, that is, have occupant to touch car door, and system carries out further work automatically.
When two above precondition all reaches, self-locking function and alarm starting in system.Alarm beeps, Illustrate at this time since dangerous door lock has been locked.It carries out after locking door 1-2 seconds, system is according to vehicle external environment detection device 1 Detected situation judges whether there is the possibility knocked again.If without danger, door lock unlock；In two premises, as long as There is a premise to be unable to satisfy, does not have subsequent reaction, but before personnel get off in the car, it can dynamic detection again Whether there is or not the possibility knocked, and without the possibility knocked, then door lock controller directly unlocks, and occupant can smoothly get off；Conversely, then again The secondary judgement back to condition one.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent defines.

Claims (1)

1.一种瞬间开启车门保护方法，其特征在于：包括工控机，以及设置于工控机外部的车外环境检测装置，还包括设置于工控机外部的乘员检测装置，还包括设置于工控机外部的车身自锁装置，还包括设置于工控机外部的车内提醒装置，所述车外检测装置通过电路与工控机相连接，所述乘员检测装置通过电路与工控机相连接，所述车身自锁装置通过电路与工控机相连接，所述车内提醒装置通过电路与工控机相连接；1. an instant opening car door protection method, it is characterized in that: comprise industrial computer, and be arranged on the outside environment detection device of industrial computer, also comprise the occupant detection device that is arranged on the outside of industrial computer, also comprise and be arranged on the outside of industrial computer The vehicle body self-locking device also includes an in-vehicle reminder device arranged outside the industrial computer, the outside detection device is connected to the industrial computer through a circuit, the occupant detection device is connected to the industrial computer through a circuit, and the vehicle body is automatically connected to the industrial computer. The lock device is connected with the industrial computer through a circuit, and the in-vehicle reminder device is connected with the industrial computer through a circuit; 所述车外环境检测装置采用视频检测器，所述视频检测器包括视频采集与传输单元、视频检测主机、控制器与检测系统软件；所述乘员检测装置内部设置有把手，所述把手内部设置有电容式触感传感器；所述车内自锁装置内部设置有卡板；所述车内提醒装置内部设置有警报器；The vehicle exterior environment detection device adopts a video detector, and the video detector includes a video acquisition and transmission unit, a video detection host, a controller and detection system software; the occupant detection device is provided with a handle inside, and the handle is provided inside a capacitive touch sensor; a card board is arranged inside the in-vehicle self-locking device; an alarm is arranged inside the in-vehicle reminder device; 上述装置的控制方法如下：The control method of the above device is as follows: 所述车外环境检测装置采用视频检测器，视频检测器包括视频采集与传输单元、视频检测主机、控制器与检测系统软件，其用于检测车辆周围的实际情况，并通过数据传输设备把数据传输到工控机，工控机处理分析得出行人及其他车辆的行驶速度、距离与运动状态，计算出到达车门的时间，从而确定是否开启车内提醒装置和车身自锁装置；The vehicle exterior environment detection device adopts a video detector, and the video detector includes a video acquisition and transmission unit, a video detection host, a controller and detection system software, which are used to detect the actual situation around the vehicle, and transmit the data through the data transmission equipment. It is transmitted to the industrial computer, and the industrial computer processes and analyzes the driving speed, distance and motion status of pedestrians and other vehicles, and calculates the time to reach the door, so as to determine whether to open the in-vehicle reminder device and the body self-locking device; 利用车辆图像中车辆的二维位置以及预先测定的参数算出车辆的实际三维位置，若在一个固定时间间隔内拍摄两幅图像，则可以根据两幅图像计算出车辆实际三维位置得到车辆在此固定时间间隔内的位移，从而进一步确定车辆速度；The actual three-dimensional position of the vehicle is calculated by using the two-dimensional position of the vehicle in the vehicle image and the pre-measured parameters. If two images are taken within a fixed time interval, the actual three-dimensional position of the vehicle can be calculated according to the two images and the vehicle is fixed here. displacement over time intervals to further determine vehicle speed; 乘员检测装置与车外环境检测装置分别通过电路与工控机相连接，车外环境检测装置用于检测行人和车辆的速度和距离，并根据程序的计算实现预测功能，从而判断行人和车辆撞上车门的可能性，将所得结果输送至乘员检测装置，再由乘员检测装置里的触感式传感器检测车内人员开车门的信息，并由工控机处理后控制车内提醒装置和车身自锁装置；The occupant detection device and the external environment detection device are respectively connected with the industrial computer through the circuit. The external environment detection device is used to detect the speed and distance of the pedestrian and the vehicle, and realize the prediction function according to the calculation of the program, so as to judge the collision between the pedestrian and the vehicle. The possibility of the car door, the result is sent to the occupant detection device, and then the tactile sensor in the occupant detection device detects the information of the person in the car opening the door, and the industrial computer controls the in-vehicle reminder device and the body self-locking device after processing; 车身自锁装置及车内提醒装置的原理是通过电容式触感传感器得知有人要打开车门，如果已经检查得知有与行人及其它车辆有相撞的可能，则通过工控机控制把手和卡板之间的传动路线来实现开闭锁功能；The principle of the body self-locking device and the in-vehicle reminder device is to know that someone is about to open the door through the capacitive touch sensor. The transmission line between them can realize the opening and closing function; 汽车自身变速器上的速度传感器方波信号的频率在0-200Hz，当车速下降到10km/h以下，即速度传感器输出频率只有几赫兹时，瞬间开启车门保护启动，系统启动后，需要满足以下两个条件，自锁功能和报警器启动；The frequency of the square wave signal of the speed sensor on the car's own transmission is 0-200Hz. When the vehicle speed drops below 10km/h, that is, when the output frequency of the speed sensor is only a few Hz, the door will be opened instantly to protect and start. After the system is started, the following two conditions must be met. conditions, the self-locking function and the alarm are activated; 条件一：为了防止其他交通参与者与本车发生碰撞，需检测车辆后方情况；根据停车视距S，并考虑到实际道路上车辆的最大可能速度，最后后方监测距离取值为110m，车辆两侧的监测需考虑道路宽度，并结合一般车长和精准度问题，得出取值3m；Condition 1: In order to prevent other traffic participants from colliding with the vehicle, it is necessary to detect the situation behind the vehicle; according to the parking sight distance S, and taking into account the maximum possible speed of the vehicle on the actual road, the final rear monitoring distance is 110m. The side monitoring needs to consider the road width, and combined with the general vehicle length and accuracy issues, the value of 3m is obtained; 条件二：在已经确定判定车辆及行人有撞上车门的危险下，如果乘员检测装置被触发，即有车内人员触摸车门，系统自动进行下一步工作；Condition 2: When it has been determined that the vehicle and pedestrian are in danger of hitting the door, if the occupant detection device is triggered, that is, someone in the car touches the door, the system will automatically proceed to the next step; 以上两个前提条件都达到时，报警器发出蜂鸣声，说明此时由于有危险门锁已经被锁上；进行锁车门1-2秒后，系统根据车外环境检测装置所检测到的情况，再次判断是否有撞上的可能；如果无危险，门锁解锁；在两个前提中，只要有一个前提无法满足，都不会有后续的反应，但是在车内人员下车之前，会再次动态的检测有无撞上的可能，无撞上的可能，则门锁控制器直接解锁，车内人员可顺利下车；反之，则再次返回到条件一的判定。When the above two preconditions are met, the alarm will beep, indicating that the door lock has been locked due to danger at this time; after 1-2 seconds of locking the door, the system will detect the situation according to the external environment detection device. , judge again whether there is a possibility of a collision; if there is no danger, the door lock will be unlocked; in the two premise, as long as one of the preconditions cannot be satisfied, there will be no follow-up reaction, but before the occupants in the car get off the car, the door will be unlocked again. If there is a possibility of a collision by dynamic detection, if there is no possibility of a collision, the door lock controller is directly unlocked, and the occupants in the vehicle can get off the vehicle smoothly; otherwise, it returns to the judgment of condition one again.
CN201610687000.2A 2016-08-18 2016-08-18 A kind of moment opening car door protection technique Expired - Fee Related CN106114442B (en)

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TWI661957B (en) * 2017-10-06 2019-06-11 Ming Chi University Of Technology Car door collision avoidance system and detection method thereof
CN112572112A (en) * 2020-12-23 2021-03-30 奇瑞汽车股份有限公司 Automobile door control system and method and automobile
CN113635832B (en) * 2021-07-28 2023-06-20 上海工程技术大学 A Control Method for Preventing Collision When Parking and Opening the Door

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US5969603A (en) * 1998-05-07 1999-10-19 Wang; Chun-Chung Door opening warning system device for cars
US7068160B2 (en) * 2004-04-19 2006-06-27 Daimlerchrysler Corporation Open automotive door alert
CN102837653B (en) * 2012-09-13 2015-05-06 浙江吉利汽车研究院有限公司杭州分公司 Car door opening safeguard system
CN203211186U (en) * 2013-03-30 2013-09-25 安徽师范大学 Door opening alarming device for automobile
CN105313772A (en) * 2015-12-02 2016-02-10 安徽工程大学 Vehicle door opening reminding system and control method thereof
CN205186062U (en) * 2015-12-16 2016-04-27 长安大学 Open door and prevent overtaking collision system based on machine vision

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