CN107389355A - Test device and test method for early-warning function of vehicle lane changing - Google Patents

Test device and test method for early-warning function of vehicle lane changing Download PDF

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Publication number
CN107389355A
CN107389355A CN201710522886.XA CN201710522886A CN107389355A CN 107389355 A CN107389355 A CN 107389355A CN 201710522886 A CN201710522886 A CN 201710522886A CN 107389355 A CN107389355 A CN 107389355A
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China
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mounting
camera
vehicle
lane
warning function
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CN201710522886.XA
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Chinese (zh)
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李维光
张战光
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奇瑞汽车股份有限公司
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Priority to CN201710522886.XA priority Critical patent/CN107389355A/en
Publication of CN107389355A publication Critical patent/CN107389355A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/007Wheeled or endless-tracked vehicles

Abstract

The invention relates to a test device and test method for an early-warning function of vehicle lane changing. The test device comprises at least two cameras and an external camera mounting support. One camera arranged inside a vehicle is used for shooting and capturing starting and shielding information of a lane changing early-warning system; and the rest cameras installed on the external camera mounting support are used for shooting and capturing changes of relative positions of the vehicle and the lane line. According to the invention, the external and internal cameras of the cameras are used for collecting information synchronously and the information collected by the external and internal cameras is compared and analyzed, so that the performance of the lane changing early-warning function is evaluated. The test device has a simple structure with low costs. The test device and the test method can be applied to early stages of development of various vehicle lane deviation early-warning functions, so that huge testing costs caused by continuous and repeated testing are lowered.

Description

一种汽车车道改变预警功能的测试装置及方法 An automotive lane change test device and method of early warning function

技术领域 FIELD

[0001]本发明属于汽车性能试验技术领域,具体涉及一种汽车车道改变预警功能的测试装置及方法。 [0001] The present invention belongs to the technical field of automobile performance test, specifically relates to a test apparatus and method for a vehicle lane change warning function.

背景技术 Background technique

[0002]随着汽车安全技术的发展,汽车安全领域已经覆盖了被动安全和主动安全方面。 [0002] With the development of automotive safety technology, automotive safety has covered the passive safety and active safety. 其中,车道改变预警功能属于主动安全领域的范畴内,其最主要的作用为提醒或纠正驾驶员无意识偏离原行驶车道的驾驶行为现象,避免发生交通事故,保护乘员及行车安全。 Among them, lane change warning functions fall within the scope of the field of active safety, its main role is to remind the driver of unintentional deviation phenomenon or correct the driving behavior of the original lane of travel, avoid traffic accidents, traffic safety and occupant protection.

[0003]在车道改变预警功能的试验测试方面,国内外通用的方法为:在试验车辆上安装高精度的GPS及陀螺仪,在测试场地安放基站,通过记录车辆偏离车道的轨迹与车道线的相对位置、整车动态参数,以及车道改变预警功能的开启/屏蔽等信息,对此项功能进行评测, 位置精度能够达到2〇mm。 [0003] In a lane change warning function experimental testing, domestic and general method: mounting high-precision GPS and gyro on the test vehicle, the base station placed in the test site, deviation from the lane and the lane line by recording the trajectory of the vehicle relative position, the dynamic parameters of the vehicle, and a lane change warning function of the opening / shielding information on this evaluation function, the position accuracy can be achieved 2〇mm. 但此套测试设备价格昂贵,购买或者通过第三方使用进行车辆的测试,费用较高。 But this set of test equipment is expensive to purchase or use by a third party testing of the vehicle, the higher the cost. 尤其是对于车道改变预警功能前期标定开发及预评估阶段的问题点查找, 需要进行多轮次的测试,无疑大大提高了开发的成本。 Especially for a lane change warning function calibration problems early development and pre-assessment phase of the search, the need for multi-round testing, no doubt greatly increase the cost of development.

发明内容 SUMMARY

[0004] 为了解决上述存在的技术问题,本发明设计了一种汽车车道改变预警功能的测试装置及方法,可适用于车道偏离预警功能开发的前期阶段,能够降低不断重复测试引起的巨额测试费用。 [0004] In order to solve the above problems, the present invention designs a car lane change test device and method for early warning capabilities, applicable to lane departure warning function early stages of development, can reduce repeated testing due to the huge cost of testing .

[0005] 为了解决上述存在的技术问题,本发明采用了以下方案: 一种汽车车道改变预警功能的测试装置,其特征在于,包括至少两个摄像机以及外部摄像机安装支架,其中一个摄像机位于车辆内部,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息,其余摄像机安装在外部摄像机安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化。 [0005] In order to solve the above technical problem, the present invention employs the following means: a vehicle lane change warning function testing apparatus, characterized by comprising at least two cameras and external camera mounting bracket, wherein a camera located inside the vehicle , opening for taking a lane change warning systems to capture and mask information, the rest of the camera mounted on the external mounting bracket camera for capturing the relative position of the vehicle being shot with a lane line.

[0006] 进一步,所述外部摄像机安装支架包括横杆、设置在横杆两端的竖杆和摄像机安装杆,所述竖杆的下端设置有连接杆以与汽车前轮罩部位连接,所述摄像机安装杆位于所述竖杆的外侧。 [0006] Further, the external camera mounting bracket comprises a bar, vertical bar and a camera disposed at both ends of the mounting bar cross bar, the lower end of the vertical bar is provided with a connecting rod connected to the car front cover portion, said camera vertical mounting rod located outside said rod.

[0007] 进一步,所述横杆为对称结构,其两端分别加工有多个等间距的安装孔,以根据车身宽度的变化来调整所述竖杆及摄像机安装杆的安装位置。 [0007] Furthermore, the crossbar is a symmetrical structure, having both ends machined with a plurality of spaced mounting holes and the like, so as to adjust the mounting position of the vertical rods and the camera mounting bar according to a change in the width of the body.

[0008] 进一步,所述横杆和车辆前舱盖表面之间设置有垫块以调整所述横杆表面与水平面的夹角,所述垫块为上、下两相对表面倾斜成一夹角的楔形块。 [0008] Further, pads are provided to adjust the angle between the horizontal plane of the rail surface, the pad between the upper surface of the front cover and the rail vehicle, the two opposing surfaces inclined at an angle wedge.

[0009] 进一步,所述竖杆两端各加工有等间距的多个安装调节孔,所述竖杆上部的安装调节孔与所述横杆上的安装孔配合,以根据车辆前舱盖与车轮罩的距离来调整所述竖杆相对所述横杆在竖直方向的安装位置。 [0009] Further, both ends of each of the vertical rods and other processing have a plurality of mounting holes spacing adjustment, the vertical adjustment mounting holes on the mounting hole and the rod portion with the crossbar, and in accordance with the vehicle front hatch from the wheel house can be adjusted relative to the vertical bar cross bar mounting position in the vertical direction.

[0010] 进一步,所述竖杆和横杆的安装角度为90°。 [0010] Further, the vertical bar and crossbar of the mounting angle is 90 °.

[0011] 进一步,所述竖杆和相对应的连接杆之间还设置有调节装置,以微调该安装支架在竖直方向的高度。 [0011] Further, provided between the vertical bar and a corresponding connecting rod has adjustment means, in order to finely adjust the height of the mounting bracket in the vertical direction.

[0012] 进一步,所述调节装置包括调节杆I和调节杆n,所述调节杆I上部和所述竖杆通过销连接,所述调节杆I下部和所述调节杆n上部螺接,所述调节杆n下部与所述连接杆螺接,所述调节杆I和连接杆的螺纹方向相反。 [0012] Further, the adjusting means comprising the adjusting lever and the adjusting lever I n, I of the adjusting lever and the upper portion of the vertical bar is connected by a pin, a lower portion of the adjusting lever and the adjusting lever I n the upper screwed, the said adjusting screw direction of the rod and a lower n screwing the connecting rod, the adjusting lever and the connecting rod opposite to I.

[0013] 进一步,所述调节杆I是一阶梯杆结构,其一端加工有销孔,另一端加工有外螺纹结构。 [0013] Further, the adjusting lever I is a stepped rod structure with a processed end pin hole, the other end is externally threaded structure.

[0014] 进一步,所述调节杆n是一个中空的四棱柱结构,其两端分别加工有内螺纹结构。 [0014] Further, the adjusting lever and n is a hollow square pillar configuration, both ends thereof are machined with an internal thread structure. [0015]进一步,所述连接杆是一上圆下方的阶梯杆结构,其上部圆柱部分加工有外螺纹结构,其下部四棱柱部分加工有上下排列的两个安装螺纹孔,上安装螺纹孔使用螺栓与车辆轮罩部位的外侧连接,下安装螺纹孔使用螺栓与车辆轮罩部位的下侧进行连接。 [0015] Further, the connecting rod is a stepped rod structure on the bottom of the circle, an upper cylindrical portion which is externally threaded structure, which is a lower portion of a quadrangular prism mounting screw hole machined with two vertically aligned, using the mounting screw hole the outer portion of the wheel cover with a bolt connected to a vehicle, the mounting screw hole using bolts and the lower side portion of a vehicle wheel cover connected.

[0016] 进一步,所述摄像机安装杆上加工有多个等间距的安装调节孔;所述摄像机安装杆上部的安装调节孔与所述横杆上的安装孔配合,以调整摄像机与地面的高度间距。 [0016] Further, the camera mounting rod mounting adjustment processing a plurality of equally spaced holes; mounting holes on the mounting hole of the adjusting rod camera mounting portion mating with the cross bar, to adjust the height of the camera with the ground spacing.

[0017] 进一步,所述摄像机安装杆的下部还设置有刻度尺安装杆,以辅助安装刻度尺。 [0017] Further, a lower portion of the camera mounted further lever mounting rod is provided with a scale, to assist in the installation of the scale.

[0018] 进一步,摄像机是1¾速摄像机。 [0018] Further, the camera is 1¾-speed video camera.

[0019] 一种汽车车道改变预警功能的测试方法,其特征在于, 首先,制作、组装外部高速摄像机安装支架,此安装支架位于车头的前部,前舱盖的表面上方; 其次,将外部摄像机安装在此安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化; 然后,将内部摄像机安装在车内,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息; 最后,使用车辆内、外部的摄像机同步采集信息,即车道改变预警功能开启/屏蔽时,车辆的速度、位置信息,并对内、外摄像机采集的信息进行对比分析和处理,以此对比处理结果,依据开发要求评判该车道改变预警功能的优劣。 [0019] An automotive lane change warning function of the test method, wherein, first, the manufacturing and assembling external high-speed camera mounting bracket, the mounting bracket at the front of this section, above the front surface of the front hatch; secondly, the external camera the mounting bracket is mounted, for taking the vehicle to capture the change in relative position of the lane line; then, the internal camera installed in the vehicle, for photographing and capturing open mask information lane change warning systems; Finally, the vehicle provided with , external camera sync acquisition information, i.e., the lane change warning function opening / shielding the speed of the vehicle, position information, and the information collected by the outer camera processing and comparative analysis, in order to compare the results, according to development requirements Evaluation the merits of the lane change warning function.

[0020] 进一步,安装支架的横杆平行于车辆的横向垂面,横杆与前舱盖的表面之间固定安装有带有一定角度的垫块,以保证此安装支架的水平度;通过调节安装支架的竖杆和横杆上的相对位置以保证安装支架与车辆左右方向及上下方向的限定,通过调节杆I和调节杆n实现安装支架在上下方向,即高度方向上的微调。 [0020] Further, rail mounting brackets parallel to the transverse vertical plane of the vehicle, with a certain angle with a spacer fixedly mounted between the bar and the surface of the front hatch, to ensure this level of the mounting bracket; by adjusting relative position on the vertical bar cross bar mounting bracket and the mounting bracket to ensure that define the left and right direction of the vehicle and the vertical direction by the adjusting lever and the adjusting lever n I achieved in vertical direction, i.e. in the height direction trimming mounting bracket.

[0021] 进一步,外部摄像机安装在所测试车辆车轮的侧上方,车辆外部像机安装的位置: 水平方向位于车辆外侧,并有一定的间距,此间距通过安装支架的摄像机安装杆与横杆的相对位置来调整;竖直方向与地面有一定的间距,此间距通过摄像机安装杆与横杆的相对位置以及通过选择摄像机在摄像机安装杆上的不同安装孔来调整;摄像机拍摄范围内,通过安装在刻度尺安装杆上的刻度尺,来辅助确定车辆与地面车道线等物体的相对位置。 The upper side, the vehicle exterior camera mounting position [0021] Further, the external camera mounted on a test vehicle wheel: the horizontal direction is located outside the vehicle, and a certain spacing, this spacing by a camera mounting rod and the rail of the mounting bracket adjusting the relative position; the vertical direction and the ground a certain distance, and adjusting this pitch different mounting holes in the camera mounting position of the camera relative to the rod by rod mounting rail by selecting a camera; the video camera range by attaching in the scale of the scale mounting rod, to assist in determining the relative position of the object lane of the vehicle and the ground lines.

[0022] 进一步,内部摄像机采集试验车辆的车速、报警系统开始、结束时的标识;外部摄像机采集车轮与车道线的距离;内外部摄像机采集的视频时间轴是同步,因此根据上述信息分析出出现报警系统开始/结束标识时,车轮此时距离车道线的位置,以及计算此时的偏移速度;以此分析计算结果,对比开发要求评判该车道改变预警功能的优劣。 [0022] Further, inside the camera acquisition test vehicle speed, the alarm system starts, at the end of identification; external camera acquisition line of the lane from the wheel; external camera to capture video timeline is synchronized so that the information analysis according to occur alarm system start / end identification, this time from the lane line position of the wheel, and the migration velocity at this time is calculated; this analysis of the obtained results, the evaluation requires the development of a lane change warning function merits.

[0023] 该汽车车道改变预警功能的测试装置及方法具有以下有益效果: (1)本发明通过在车辆内、外部安装高速摄像机,进行车辆与车道线相对位置信息、车道偏离预警系统工作信息的同步捕捉。 [0023] The automotive lane change warning function testing apparatus and method has the following advantages: (1) The present invention in a vehicle, externally mounted high-speed camera, a vehicle and the lane lines relative positional information, a lane departure warning system operating information, synchronous capture. 实现车道偏离预警功能的测试,方法简单,操作简单,成本低。 Implement test lane departure warning function, the method is simple, easy operation and low cost.

[0024] (2)本发明安装支架可实现与车辆横向位置相对位置的调整,垂直方向的调整,使用调节方便,通用性好,可以适用于各种不同的车型;通过与车辆的安装固定,支架的位移及旋转自由度皆可实现控制;安装支架可以对称调整,结构简单,制作加工简便,制作成本低,安装操作过程简单,不破坏车体结构。 [0024] (2) according to the present invention can be realized with the vehicle mounting bracket transversely relative positional adjustment, the adjustment in the vertical direction, using the adjustment convenience, versatility, and can be applied to a variety of different models; the vehicle by mounting the fixed, displacement and rotational degrees of freedom to achieve control Jieke holder; mounting bracket may be symmetrically adjusted, simple structure, simple production process, low manufacturing cost, the installation process is simple, does not destroy the body structure.

[0025] (3)本发明可适用于车道偏离预警功能开发的前期阶段,能够降低不断重复测试引起的巨额测试费用。 [0025] (3) The present invention is applicable to a lane departure warning function early stages of development, testing can reduce the huge costs caused by repeated testing.

附图说明 BRIEF DESCRIPTION

[0026]图1:本发明汽车车道改变预警功能的测试装置中摄像机安装支架实施例的结构不意图; 图2:本发明实施例中横杆的结构示意图; 图3:本发明实施例中垫块的结构示意图; 图4:本发明实施例中竖杆的结构不意图; 图5:本发明实施例中调节杆I的结构示意图; 图6:本发明实施例中调节杆n的结构示意图; 图7:本发明实施例中连接杆的结构示意图; 图8:本发明实施例中摄像机安装杆杆的结构示意图; 图9:本发明实施例中刻度尺安装杆的结构示意图。 [0026] FIG. 1: Automobile present lane change warning function testing apparatus in an embodiment of the camera mounting structure is not intended stent; FIG. 2: a schematic view of the structure of the embodiment of the present invention, the cross bar; FIG. 3: a pad embodiment of the present invention embodiment structural block schematic; Figure 4: structure of the vertical rods embodiment of the present invention is not intended; FIG. 5: embodiment of the present invention is a schematic structural diagram I of embodiment the adjustment lever; FIG. 6: structural view of the adjustment lever n the embodiment of the present invention; Figure 7: a schematic structural diagram of the embodiment of the present invention, the connecting rod; FIG. 8: a schematic view of the structure of a camera installed club embodiment of the present invention; FIG. 9: a schematic structural diagram of the embodiment of the scale mounting bar of the present invention.

[0027]附图标记说明: 1一横杆;11 一垫块安装孔;12—安装孔;2—垫块;3—竖杆;31 —安装调节孔;4一调节杆I; 5—调节杆n ; 6—连接杆;7—摄像机安装杆;8—刻度尺安装杆。 [0027] REFERENCE NUMERALS: 1 bar a; 11 a block mounting hole; 12- mounting hole; 2- pad; 3- uprights; 31 - adjusting hole mounting; an adjusting lever 4 I; 5- adjustment lever n; 6- connecting rod; 7- camera mounting lever; 8- scale mounting bar.

具体实施方式 Detailed ways

[0028]下面结合附图,对本发明做进一步说明: 一种汽车车道改变预警功能的测试装置,包括至少两个摄像机和外部摄像机安装支架。 [0028] DRAWINGS The present invention is further illustrated: a vehicle lane change warning function testing apparatus, comprising at least two cameras and external camera mounting bracket. 其中一个摄像机位于车辆内部,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息,其余摄像机安装在外部摄像机安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化。 Wherein a camera located inside the vehicle, for photographing opening a lane change warning systems to capture and mask information, the rest of the camera mounted on the external mounting bracket camera for photographing a vehicle to capture the change in relative position of the lane line. 车辆内、外部的摄像机为同步采集,并且拍摄帧数至少大于125fps,通过内、外摄像机采集信息的对比分析,可以得到车道改变预警功能开启/屏蔽时,车辆的偏离速度、位置信息,由此评测该车道改变预警功能的优劣;此方法的测试精度,比较依赖于摄像机的像素,较高像素的摄像机能够使此试验方法的位置精度高于2〇mm。 Vehicle, external synchronization acquisition camera, and at least greater than the number of frames 125fps, comparative analysis of information through the inner and outer cameras capture, lane change warning function can be obtained opening / shielding the speed of the vehicle deviates from the position information, whereby the evaluation of the merits of the lane change warning function; precision of this test method, the more dependent on the pixel cameras, the pixel of the camera can be made higher positional accuracy than 2〇mm this test method. 本实施例中采用了两个高速摄像机, 内外各一个。 Both inside and outside a present embodiment employs two high speed cameras.

[0029]如图1所示,外部摄像机安装支架包括横杆1、竖杆3、调节杆14、调节杆115、连接杆6、摄像机安装杆7和刻度尺安装杆8。 [0029] 1, the external camera mounting bracket comprises a bar, vertical bar 3, the adjustment lever 14, the adjusting lever 115, the connecting rod 6, the camera mounting bars 7 and 8 the scale mounting bar. 竖杆3有两根,对称设置在横杆1的左右两端。 3 has two vertical rods, symmetrically disposed at left and right ends of the rail 1. 竖杆3的下端设置连接杆6以与汽车轮罩部位的外侧连接,竖杆3和相对应的连接杆6之间是调节杆I 4和调节杆n 5,以微调安装支架竖直方向的高度。 The lower end of the vertical bar 6 is provided to the connecting rod 3 of the automobile wheel cover outside parts of the connector, the vertical rod 3 and to fine-tune the mounting bracket in the vertical direction corresponding to the connecting rod between the adjusting lever 6 is adjusting lever and I 4 n 5, height. 摄像机安装杆7设置在横杆1的一端,彳立于相对应竖杆3的外侧。 Camera mounting bar 7 is provided at one end of the cross bar 1, the outside left foot stand 3 corresponding to the vertical rod. 刻度尺安装杆8设置在摄像机安装杆7的下端。 Scale mounting bar 8 is provided the lower end of rod 7 is mounted in the camera.

[0030] 横杆1位于车辆前部前舱盖表面,并且与车辆横向垂面平行。 [0030] 1 bar on the front surface of the front hatch of the vehicle and parallel to the transverse vertical plane of the vehicle. 横杆1为对称结构,如图2所示,其两端分别加工有多个等间距的安装孔12,可根据车身宽度的变化,使用不同的安装孔进行安装竖杆3及摄像机安装杆7。 1 bar to be symmetrical, as shown in FIG 2, both ends thereof with a plurality of mounting holes 12 are equally spaced processing, according to changes in the width of the vehicle body, using a different mounting holes 3 and the camera mounting stanchion mounting bar 7 . 横杆1和车辆前舱盖表面之间还设置有垫块2。 Rail 1 is also provided between the vehicle and the front surface cover 2 has spacers. 垫块2为上、下两相对表面倾斜成一夹角的楔形块,如图3所示。 2 is a spacer, the opposing two surfaces inclined at an angle wedge, as shown in FIG. 通过垫块2安装在横杆1上,可调整横杆1表面与水平面的夹角。 By mounting pad 2 on a rail 1, an adjustable angle with the horizontal surface of the rail 1. 本实施例中,横杆1上加工有垫块安装孔11,垫块2上也加工有相对应的安装孔以配合安装。 In this embodiment, the bar 1 has a processing block mounting holes 11, the spacer 2 is also machined with corresponding mounting holes to match the installation. 本实施例中横杆1由方管加工而成。 Embodiment 1 In the present embodiment the cross bar by a square tube processing.

[0031] 竖杆3和横杆1的安装角度为90°。 [0031] The mounting angle of the rod 3 and the vertical rail 1 is 90 °. 竖杆3两端各有等间距的多个安装调节孔31,如图4所示,根据车辆前舱盖与车轮罩的距离,使用合适的安装调节孔31与横杆1进行安装固定。 3 vertical bar at each end of a plurality of equally spaced mounting holes 31 adjusted, as shown in FIG. 4, according to the distance between the front hatch of the vehicle and the wheel house, using a suitable mounting adjustment hole 31 is fixed with the mounting rail 1. 竖杆3可以穿过横杆1的安装孔11,因此,竖杆3的安装能够进行轴向的高度调节。 Vertical bar 3 may pass through the mounting hole 111 of the crossbar, thus, capable of vertical bar 3 mounted axially adjustable height. 本实施例中,竖杆3由圆管加工而成。 In this embodiment, the vertical rod 3 is formed from the round processing.

[0032]调节杆14的结构如图5所示,是一阶梯杆结构。 [0032] The structure of the adjustment lever 14 shown in Figure 5, is a stepped rod structure. 其一端加工有销孔以与相对应的竖杆3下端的安装调节孔31通过销连接,另一端加工有螺纹结构以与调节杆115螺接。 Processing one end to a pin 31 through the pin holes 3 and the lower end of the vertical bar corresponding adjustment hole mounting, and the other end of the structure and processing of threaded adjustment rod 115 is screwed. 调节杆n 5的结构如图6所示,是一个中空的四棱柱结构。 N adjusting lever structure 5 shown in FIG. 6, it is a hollow quadrangular prism structures. 其两端分别加工有内螺纹结构以分别与调节杆14和连接杆6螺接。 Processing both ends thereof are respectively internally threaded adjustment rod structure 14 respectively and the connecting rod 6 is screwed. 连接杆6的结构如图7所示,是一上圆下方的阶梯杆结构,其上部圆柱部分加工有外螺纹结构以与调节杆115螺接,其下部四棱柱部分加工有上下排列的两个安装螺纹孔。 6 the connecting rod structure shown in Figure 7, is a stepped rod structure on the bottom of the circle, an upper cylindrical portion which is externally threaded structure screwed with the adjustment rod 115, which is a lower portion of a quadrangular prism arranged in two upper and lower machining mounting screw hole. 上安装螺纹孔使用螺栓与车辆轮罩部位的外侧连接,限制安装支架在车辆横向方向的位移运动;下安装螺纹孔使用螺栓与车辆轮罩部位的下侧进行连接,限制安装支架在竖直方向的位移运动。 Mounting screw hole on the outside of the vehicle using a bolt connection portion of the wheel cover, the mounting bracket to limit movement of displacement in the transverse direction of the vehicle; using a bolt at mounting screw hole with the wheel portion of the vehicle lower side connections, limiting the mounting bracket in the vertical direction the displacement movement. 调节杆n 5分别与调节杆14和连接杆6通过螺纹连接,仅可进行轴向,即上下向位移移动;由于调节杆14和连接杆6的螺纹方向相反,通过旋转调节杆n 5,可实现安装支架在上下方向,即高度方向上的微调。 N 5 respectively, the adjusting lever 14 and the adjustment lever a connecting rod 6 by a threaded connection, only axially, i.e. vertically to the displacement of the mobile; because the adjustment lever 14 and the screw direction opposite to the connecting rod 6, by rotating the adjusting lever n 5, may be implemented in the vertical direction, i.e. in the height direction trimming mounting bracket. 调节杆14还可以通过与竖杆3下端的不同安装调节孔31的配合来进一步安装支架在上下方向,即高度方向上的微调。 The adjustment lever 14 can be further mounted in the vertical direction, i.e., fine adjustment in the height direction different mounting bracket by engagement with the adjustment hole 3 of the lower end of the vertical bar 31.

[0033] 如图8所示,摄像机安装杆7上加工有多个等间距的安装调节孔。 [0033] As shown, the camera 8 mounted on the mounting 7 processing the plurality of adjusting holes equally spaced. 摄像机安装杆7上部的安装调节孔与横杆1上的安装孔12配合,可调整摄像机与地面的高度间距。 Adjusting the camera mounting rod mounting hole 7 and the rail 12 with the upper portion of the mounting hole 1, the camera height adjustment distance and the ground. 摄像机安装杆7下部安装刻度尺安装杆8以辅助安装刻度尺。 Camera mounting bar 7 the lower mounting bar 8 to assist in installation of the scale mounting scale. 刻度尺用于车轮与地面物体相对位置的判断。 The scale is determined relative position of the wheel with the ground object. 如图9所示,刻度尺安装杆8由方管制成,其中部加工有安装孔以与摄像机安装杆7下部连接。 9, into 8-by-side control rod mounting the scale, wherein the processing unit has a mounting hole to mount the lower connection rod 7 and the camera. 本实施例中摄像机安装杆7由圆管制成。 In this embodiment the camera mounting bar 7 is made of a tube.

[0034] 测试时,首先,制作、组装上述的安装支架,此安装支架位于车头的前部,前舱盖的表面上方,横杆1平行于车辆的横向垂面,通过固定安装带有一定角度的垫块2,保证此支架的水平度。 [0034] When the test is first prepared, the above-described mounting bracket assembly, this mounting bracket is located above the hatch of the front surface of the front portion of the front cross bar 1 parallel to the transverse vertical plane of the vehicle, with a certain angle by fixing the mounting the pad 2, this level of assurance of the stent. 通过调节竖杆3和横杆1上的相对位置以保证支架与车辆左右方向及上下方向的限定,通过调节杆14和调节杆115实现安装支架在上下方向,即高度方向上的微调。 By adjusting the relative position of the upper rail 1 and 3 to ensure that the vertical rods define a bracket with the vehicle right and left direction and the vertical direction, the adjustment lever 14 and the mounting bracket 115 implemented in the vertical direction, i.e. in the height direction by the fine tuning adjustment lever. 其次,将外部摄像机安装在此安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化;摄像机安装在所测试车辆车轮的侧上方,记录车轮运行轨迹的同时,不影响车辆正常的转向操作。 Next, the external camera mounted on this mounting bracket, for taking the vehicle to capture the change in relative position of the lane line; while the camera is mounted on the upper side of the test vehicle wheel, the wheel running track of the record, does not affect the normal steering of the vehicle operating. 车辆外部像机安装的位置:水平方向位于车辆外侧,并有一定的间距,此间距可以通过摄像机安装杆7与横杆1的相对位置来调整;竖直方向与地面有一定的间距,此间距可以通过摄像机安装杆7与横杆1的相对位置以及通过选择摄像机在摄像机安装杆7上的不同安装孔来调整。 Vehicle exterior camera mounting positions: horizontal direction is located outside the vehicle, and a certain spacing, this spacing rods 7 can be adjusted with the relative position of the cross bar 1 is mounted by a camera; the vertical direction and the ground a certain distance, this distance 7 and the relative position of the rail 1 is adjusted by selecting the camera with different mounting holes on the mounting bar 7 bar through a camera in the camera can be mounted. 像机拍摄范围内,可通过安装在刻度尺安装杆8上的刻度尺,来辅助确定车辆与地面车道线等物体的相对位置。 Shooting range within the image, the relative position of the scale by mounting a scale mounted on the rod 8, to assist in determining the vehicle lane and the ground lines of the object. 然后,将内部摄像机安装在车内,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息。 Thereafter, the internal camera is installed in the car for shooting to capture the open lane change warning system and shielding information. 最后,使用车辆内、外部的摄像机同步采集相关信息,即车道改变预警功能开启/屏蔽时,车辆的偏离速度、位置信息,并对内、外摄像机采集的信息进行对比分析,由此评测该车道改变预警功能的优劣。 Finally, the use of the vehicle, an external camera sync acquisition information, i.e., the lane change warning function opening / shielding the speed of the vehicle deviates from the position information and the information captured by the camera outside the comparative analysis, whereby the lane Reviews the pros and cons of changing the warning function.

[0035] 具体地,内部摄像机采集试验车辆的车速、报警系统开始、结束时的标识;外部摄像机采集车轮与车道线的距离,且由于拍摄的视频内部具有时间轴,因此可以计算出车轮向车道线偏移的速度。 [0035] Specifically, the camera inside the test vehicle speed acquisition, alarm system starts, at the end of identification; external camera acquisition line lane from the wheel, and due to internal video shot having a time axis, it is possible to calculate the wheel lane wire sweep speed. 内外部摄像机采集的视频时间轴是同步,因此可以分析出出现报警系统开始/结束标识时,车轮此时距离车道线的位置,以及计算此时的偏移速度。 Internal and external cameras capture video timeline are synchronized, it is possible to analyze the alarm system when the start / end flag, the lane line position of the wheel from the case, and calculating the speed deviation occurs at this time. 以此对比结果,依据开发要求评判系统性能优良。 In this comparison result, according to the requirements of the development of good performance evaluation system.

[0036] 本发明制作了一个车外的简易安装支架,用于固定安装车辆外部的摄像机头。 [0036] The present invention is made of a simple vehicle outer mounting bracket for mounting the camera head is fixed outside the vehicle. 此支架位于车头的前部,前舱盖的表面上方,平行于车辆的横向垂面,摄像机安装在所测试车辆车轮的侧上方,记录车轮运行轨迹的同时,不影响车辆正常的转向操作。 This bracket is located in front of the front portion of the upper surface of the front hatch, parallel to the transverse vertical plane of the vehicle, a camera mounted on the upper side of the test vehicle wheel, the wheel running track, while recording, without affecting the normal operation of the vehicle steering. 位于车头前舱表面的支架部分,通过固定安装带有一定角度的垫块,保证此支架部分的水平度。 Located on the front surface of the front cabin support portion via the spacer is fixedly mounted with a certain angle to ensure that the level of this portion of the stent. 支架相对于车辆的前后、左右及上下方向位移的限定,通过支架与车轮上方车身部位的相对固定安装进行实现。 Defining a stent relative to the vehicle front-rear, left and right and up and down direction of displacement, be achieved by a holder and the wheel relative to the upper portion of the vehicle body fixedly mounted. 车辆外部像机安装的位置:水平方向位于车辆外侧,并有一定的间距,此间距并且可以调整;竖直方向与地面有一定的间距,此间距可以调整。 Vehicle exterior camera mounting positions: horizontal direction is located outside the vehicle, and a certain spacing, this spacing and can be adjusted; in the vertical direction and the ground has a certain spacing, this spacing may be adjusted. 像机拍摄范围内,可安装一刻度尺,用于辅助车辆与地面车道线等物体的相对位置。 Shooting range within the image, a scale can be installed, the relative position of the object and the ground support vehicles lane lines. 结构简单,使用调节方便,通用性好,可以用于各种不同的车型。 Simple structure and easy adjustment, versatility, and can be used for a variety of different models.

[0037]本发明通过在车辆内、外部安装高速摄像机,进行车辆与车道线相对位置信息、车道偏离预警系统工作信息的同步捕捉。 [0037] The present invention in a vehicle installation outer high-speed camera, a vehicle and the lane lines relative position information, a synchronization capturing operation information lane departure warning system. 实现车道偏离预警功能的测试,方法简单,操作简单,成本低。 Implement test lane departure warning function, the method is simple, easy operation and low cost.

[0038] 本发明安装支架可实现与车辆横向位置相对位置的调整,垂直方向的调整;通过与车辆的安装固定,支架的位移及旋转自由度皆可实现控制。 [0038] The mounting bracket of the present invention may be implemented with a lateral position of the vehicle relative position adjustment, the adjustment in the vertical direction; fixedly mounted by the vehicle, and the displacement of rotational freedom of the stent Jieke achieve control. 支架可以对称调整。 Scaffold may be symmetrically adjusted. 本发明制作加工简便,制作成本低,安装操作过程简单,不破坏车体结构。 The present invention is made simple processing, low production cost, the installation process is simple, does not destroy the body structure.

[0039]上面结合附图对本发明进行了示例性的描述,显然本发明的实现并不受上述方式的限制,只要采用了本发明的方法构思和技术方案进行的各种改进,或未经改进将本发明的构思和技术方案直接应用于其它场合的,均在本发明的保护范围内。 [0039] The above in conjunction with the accompanying drawings of the present invention has been described with exemplary implementations of the present invention is clearly not limited to the above embodiment, as long as the method employed spirit and aspect of the present invention that various modifications, improvements, or without the concepts and techniques of the present invention is directly applicable to other applications, it is within the scope of the present invention.

Claims (12)

1. 一种汽车车道改变预警功能的测试装置,其特征在于,包括至少两个摄像机以及外部摄像机安装支架,其中一个摄像机位于车辆内部,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息,其余摄像机安装在外部摄像机安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化。 1. An automotive lane change warning function testing apparatus, characterized by comprising at least two cameras and external camera mounting bracket, wherein a camera located inside the vehicle, for photographing and capturing open mask information lane change warning system, the remaining a camera mounted on the exterior of the camera mounting bracket, for capturing the relative position of the vehicle being shot with a lane line.
2. 根据权利要求1所述的汽车车道改变预警功能的测试装置,其特征在于,所述外部摄像机安装支架包括横杆、设置在横杆两端的竖杆和摄像机安装杆,所述竖杆的下端设置有连接杆以与汽车前轮罩部位连接,所述摄像机安装杆位于所述竖杆的外侧。 The automobile according to claim 1 lane change warning function of the test apparatus, wherein said external camera mounting bracket comprises a bar, provided at both ends of the crossbar and a vertical bar camera mounting bar, said vertical rod lower end provided with a connecting rod connected to the car front cover portion, the lever is positioned outside of the camera is mounted to a vertical bar.
3. 根据权利要求2所述的汽车车道改变预警功能的测试装置,其特征在于,所述横杆为对称结构,其两端分别加工有多个等间距的安装孔,以根据车身宽度的变化来调整所述竖杆及摄像机安装杆的安装位置。 Automobile according to claim 2, the lane change warning function testing apparatus, characterized in that said crossbar is a symmetrical structure, having both ends machined with a plurality of spaced mounting holes, etc., in accordance with changes in the vehicle body width adjusting the vertical position of the rod and mounting the camera mounting bars.
4. 根据权利要求2或3所述的汽车车道改变预警功能的测试装置,其特征在于,所述横杆和车辆前舱盖表面之间设置有垫块以调整所述横杆表面与水平面的夹角,所述垫块为上、下两相对表面倾斜成一夹角的楔形块。 The automotive lane 2 or claim 3, changing the warning function testing apparatus, characterized in that, prior to the crossbar disposed between the cover and the vehicle has to adjust the pad surface and the horizontal rail surface angle, the pad is on the opposing surface of the lower wedge block a two inclined angle.
5. 根据权利要求2或3所述的汽车车道改变预警功能的测试装置,其特征在于,所述竖杆两端各加工有等间距的多个安装调节孔,所述竖杆上部的安装调节孔与所述横杆上的安装孔配合,以根据车辆前舱盖与车轮罩的距离来调整所述竖杆相对所述横杆在竖直方向的安装位置。 The automotive lane 2 or claim 3, changing the warning function testing apparatus, wherein the both ends of the vertical rods and the like of each processing a plurality of mounting holes spacing adjustment, the vertical adjustment rod mounting portion mounting holes on the crossbar with the hole, so as to adjust the distance between the front side rail of the vehicle according to the wheel hatch cover relative to the rail in the mounted position of the vertical direction.
6. 根据权利要求2或3所述的汽车车道改变预警功能的测试装置,其特征在于,所述竖杆和相对应的连接杆之间还设置有调节装置,以微调该安装支架在竖直方向的高度; 所述调节装置包括调节杆I和调节杆n,所述调节杆I上部和所述竖杆通过销连接,所述调节杆I下部和所述调节杆n上部螺接,所述调节杆n下部与所述连接杆螺接,所述调节杆I和连接杆的螺纹方向相反。 The automotive lane 2 or claim 3, changing the warning function testing apparatus, characterized in that, provided between the vertical bar and a corresponding connecting rod means an adjustment to fine tune the mounting bracket in the vertical height direction; said adjusting means comprises adjusting lever and the adjusting lever I n, I of the adjusting lever and the upper portion of the vertical bar is connected by a pin, a lower portion of the adjusting lever and the adjusting lever I n the upper screwed, the lower n-adjusting lever and the connecting rod screwing the adjusting threaded shaft I and the opposite direction of the connecting rod.
7. 根据权利要求2至6任一所述的汽车车道改变预警功能的测试装置,其特征在于,所述摄像机安装杆上加工有多个等间距的安装调节孔;所述摄像机安装杆上部的安装调节孔与所述横杆上的安装孔配合,以调整摄像机与地面的高度间距。 The automotive lane 2-1 according to any one of claims 6 to change the alarm function testing apparatus, wherein the camera mounting rod mounting adjustment processing a plurality of equally spaced holes; said camera mounting rod portion adjusting the mounting holes on the mounting hole and fit the crossbar, the distance the camera to adjust the height of the ground.
8. 根据权利要求2至7任一所述的汽车车道改变预警功能的测试装置,其特征在于,所述摄像机安装杆的下部还设置有刻度尺安装杆,以辅助安装刻度尺。 Drive according to claim 2-1 automobiles according to any of the testing device 7 changes the alarm function, wherein the lower portion of the camera mounting the scale bar is also provided with mounting posts for mounting the auxiliary scale.
9. 一种汽车车道改变预警功能的测试方法,其特征在于, 首先,制作、组装外部高速摄像机安装支架,此安装支架位于车头的前部,前舱盖的表面上方; 其次,将外部摄像机安装在此安装支架上,用于拍摄捕捉车辆与车道线的相对位置的变化; 然后,将内部摄像机安装在车内,用于拍摄捕捉车道改变预警系统的开启及屏蔽信息; 最后,使用车辆内、外部的摄像机同步采集信息,即车道改变预警功能开启/屏蔽时,车辆的速度、位置信息,并对内、外摄像机采集的信息进行对比分析和处理,以此对比处理结果,依据开发要求评判该车道改变预警功能的优劣。 9. An automotive lane change warning function of the test method, wherein, first, the manufacturing and assembling external high-speed camera mounting bracket, the mounting bracket at the front of this section, above the front surface of the front hatch; secondly, the external camera mounting the mounting bracket, for taking the vehicle to capture the change in relative position of the lane line; then, the internal camera installed in the vehicle, for photographing opening a lane change warning systems to capture and mask information; finally, the use of the vehicle, external camera sync acquisition information, i.e., the lane change warning function opening / shielding the speed of the vehicle, position information, and the information collected by the outer camera processing and comparative analysis, in order to compare the results, according to the development requirements Evaluation lane change warning function of the pros and cons.
10.根据权利要求9所述的汽车车道改变预警功能的测试方法,其特征在于,安装支架的横杆平行于车辆的横向垂面,横杆与前舱盖的表面之间固定安装有带有一定角度的垫块,以保证此安装支架的水平度;通过调节安装支架的竖杆和横杆上的相对位置以保证安装支架与车辆左右方向及上下方向的限定,通过调节杆i和调节杆n实现安装支架在上下方向,即高度方向上的微调。 Automobile according to claim 9, the lane change warning function of the test method, characterized in that the rail mounting bracket parallel to the vehicle transverse vertical plane, is fixedly mounted between the bar and the surface of the front with a hatch has angled spacer, to ensure this level of the mounting bracket; by adjusting the relative position of the mounting bracket to ensure that the vertical bar and the cross bar and defining the left and right direction of the vehicle mounting bracket and the vertical direction by the adjusting lever and the adjusting lever i n implement mounted vertically, i.e., fine adjustment in the height direction of the holder.
11. 根据权利要求9所述的汽车车道改变预警功能的测试方法,其特征在于,外部摄像机安装在所测试车辆车轮的侧上方,车辆外部像机安装的位置:水平方向位于车辆外侧,并有一定的间距,此间距通过安装支架的摄像机安装杆与横杆的相对位置来调整;竖直方向与地面有一定的间距,此间距通过摄像机安装杆与横杆的相对位置以及通过选择摄像机在摄像机安装杆上的不同安装孔来调整;摄像机拍摄范围内,通过安装在刻度尺安装杆上的刻度尺,来辅助确定车辆与地面车道线等物体的相对位置。 Automobile according to claim 9, the lane change warning function of the test method, characterized in that the external camera mounted on the upper side of the test vehicle wheel, the vehicle exterior camera mounting positions: horizontal direction is located outside the vehicle, and there is constant pitch, the pitch is adjusted by the relative position of the rod and the mounting rail camera mounting bracket; vertical direction of the ground have a certain spacing, this spacing relative position of the camera by mounting posts on the bar and by selecting a camera in the camera different mounting bar to adjust the mounting hole; within the range cameras, mounted on the scale by the scale mounting rod, to assist in determining the relative position of the object lane of the vehicle and the ground lines.
12. 根据权利要求9所述的汽车车道改变预警功能的测试方法,其特征在于,内部摄像机采集试验车辆的车速、报警系统开始、结束时的标识;外部摄像机采集车轮与车道线的距离;内外部摄像机采集的视频时间轴是同步,因此根据上述信息分析出出现报警系统开始/ 结束标识时,车轮此时距离车道线的位置,以及计算此时的偏移速度;以此分析计算结果, 对比开发要求评判该车道改变预警功能的优劣。 Automobile according to claim 9, the lane change warning function of the test method, characterized in that the inner camera acquisition test vehicle speed, the alarm system starts, at the end of identification; external camera acquisition line lane from the wheel; the the external camera video timeline collection is synchronized, and therefore the alarm system when the start / end flag, the lane line position of the wheel from the case, and the migration velocity analysis time is calculated based on the information of the occurrence; this analysis the obtained results, development requirements judge the merits of the lane change warning function.
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