技术领域technical field
本实用新型属于交通安全设施技术领域，涉及一种驶出高速公路的匝道入口处应急车道开放装置。The utility model belongs to the technical field of traffic safety facilities, and relates to an emergency lane opening device at the entrance of a ramp of an expressway.
背景技术Background technique
高速公路上的应急车道在于车道的最右侧，是专门供在高速公路上发生交通事故、救助突发性伤病员和救险等紧急状况下，为使事故救援车和救治人员能够快速到达事故发生地点而设置的专用车道，或者是在其他应急时候使用的应急车道。高速公路上的应急车道是一条“生命通道”，一般情况下任何社会车辆禁止驶入或者以各种理由在车道内停留。The emergency lane on the expressway is located on the far right side of the lane. It is specially used for emergency situations such as traffic accidents on the expressway, rescue of the sudden injured and sick, and emergency rescue, so that the accident rescue vehicles and rescue personnel can quickly arrive. A dedicated lane set up at the location of the accident, or an emergency lane used in other emergencies. The emergency lane on the expressway is a "passage of life". Generally, any social vehicle is prohibited from entering or staying in the lane for various reasons.
但随着国内汽车保有量的增加，在高峰期时候，高速公路上经常会发生拥堵现象，特别是在匝道换道处或通过匝道驶出高速路段的拥堵现象更加明显。当拥堵状况发生时，匝道入口处后方主路上会积压车辆等待驶入匝道口，迫使其他直行车辆也无法正常行驶，适时开放匝道处应急车道可以有效改善这一情况。但是，如何有效的开放匝道入口处应急车道这一问题还未被解决。However, with the increase in domestic car ownership, congestion often occurs on expressways during peak periods, especially at the point where the ramp changes lanes or exits the expressway section through the ramp. When a congestion situation occurs, there will be a backlog of vehicles on the main road behind the ramp entrance waiting to enter the ramp entrance, forcing other straight vehicles to travel normally. Opening the emergency lane at the ramp in a timely manner can effectively improve the situation. However, the problem of how to effectively open the emergency lane at the entrance of the ramp has not been solved.
实用新型内容Utility model content
本实用新型的目的在于克服上述现有技术的缺点，提供一种驶出高速公路的匝道入口处应急车道开放装置。The purpose of the utility model is to overcome the above-mentioned shortcomings of the prior art, and to provide an emergency lane opening device at the entrance of a ramp of a highway.
为达到上述目的，本实用新型采用以下技术方案予以实现：In order to achieve the above object, the utility model adopts the following technical solutions to be realized:
一种驶出高速公路的匝道入口处应急车道开放装置，包括匝道入口检测装置、匝道出口检测装置、远程车辆识别装置、射频收发器、微处理器、显示装置和警示装置；An emergency lane opening device at the entrance of a ramp exiting an expressway, comprising a ramp entrance detection device, a ramp exit detection device, a remote vehicle identification device, a radio frequency transceiver, a microprocessor, a display device and a warning device;
匝道入口检测装置固定安装在匝道入口处，用于检测匝道入口处的车辆信息；匝道出口检测装置固定安装在匝道出口处，用于检测匝道出口处的车辆信息；远程车辆识别装置固定安装在应急车道上距离匝道入口预设距离的位置，用于检测救援车信息；显示装置固定安装在匝道入口与远程车辆识别装置之间；警示装置安装在匝道内部；匝道入口检测装置、匝道出口检测装置和远程车辆识别装置的输出端均连接射频收发器的输入端；射频收发器的输出端连接微处理器的输入端；微处理器的输出端连接显示装置和警示装置。The ramp entrance detection device is fixedly installed at the ramp entrance to detect vehicle information at the ramp entrance; the ramp exit detection device is fixedly installed at the ramp exit to detect vehicle information at the ramp exit; the remote vehicle identification device is fixedly installed at the emergency The position on the lane at a preset distance from the ramp entrance is used to detect rescue vehicle information; the display device is fixedly installed between the ramp entrance and the remote vehicle identification device; the warning device is installed inside the ramp; the ramp entrance detection device, the ramp exit detection device and The output end of the remote vehicle identification device is connected to the input end of the radio frequency transceiver; the output end of the radio frequency transceiver is connected to the input end of the microprocessor; the output end of the microprocessor is connected to the display device and the warning device.
本实用新型进一步的改进在于：The further improvement of the present utility model is:
远程车辆识别装置有三个，分别安装在距离匝道入口L21、L22和L23的位置；其中，L21为拥挤情况下疏通匝道的时间内救援车的行驶距离；L23为畅通情况下疏通匝道的时间内救援车的行驶距离；L22＝/2。There are three remote vehicle identification devices, which are installed at positions L21 , L22 and L23 from the entrance of the ramp; L21 is the travel distance of the rescue vehicle within the time it takes to clear the ramp under crowded conditions; L23 is the distance to clear the ramp under unobstructed conditions. The travel distance of the rescue vehicle within the ramp time; L22 =/2.
匝道入口检测装置和匝道出口检测装置均为BMT6-W视频检测器。Both the ramp entrance detection device and the ramp exit detection device are BMT6-W video detectors.
远程车辆识别装置为TPR-200一体化高清车牌识别摄像机。The remote vehicle recognition device is a TPR-200 integrated high-definition license plate recognition camera.
射频收发器为MR49XA射频收发器。The radio frequency transceiver is MR49XA radio frequency transceiver.
微处理器为S3C2410嵌入式处理器。The microprocessor is S3C2410 embedded processor.
显示装置为LED显示屏，警示装置为TE-1101J警示灯。The display device is an LED display screen, and the warning device is a TE-1101J warning light.
与现有技术相比，本实用新型具有以下有益效果：Compared with the prior art, the utility model has the following beneficial effects:
通过匝道入口检测装置和匝道出口检测装置实时检测匝道入口和出口处的交通流量、平均车辆行驶速度、平均车头时距、车道占用率等信息，并将检测到的信息通过射频收发器发送至微处理器，微处理器经过处理之后将信息发送至显示模块和警示模块，通过显示模块实时显示路况信息，显示是否开放应急车道进行正常的通车。达到合理利用高速公路的道路设施，增加高速公路匝道处通行能力的目的。并且在驶出高速公路匝道入口处，救援车辆会很少占用，通过开放此处的应急车道能够更好的利用道路资源，减少匝道入口处的拥堵。本应急车道开放装置具有投资费用少、设计简单、可靠性高的特点。Through the ramp entrance detection device and the ramp exit detection device, the traffic flow at the entrance and exit of the ramp, the average vehicle speed, the average headway distance, the lane occupancy rate and other information are detected in real time, and the detected information is sent to the microcomputer through the radio frequency transceiver. After processing, the processor and the microprocessor send the information to the display module and the warning module, and display the road condition information in real time through the display module, and show whether the emergency lane is opened for normal traffic. To achieve the purpose of rationally utilizing the road facilities of the expressway and increasing the traffic capacity at the expressway ramp. And at the entrance of the expressway ramp, rescue vehicles will be seldom occupied. By opening the emergency lane here, road resources can be better utilized and congestion at the entrance of the ramp can be reduced. The emergency lane opening device has the characteristics of low investment cost, simple design and high reliability.
进一步的，在远程车辆识别装置有三个，分别安装在距离匝道入口L21、L22和L23的位置，拥堵和不拥堵的情况下识别应急车道上的救援车的距离，微处理器通过分析匝道内车辆的行驶速度，判断在多长时间内匝道内部的车辆能够全部驶出，在该时间内救援车辆的行驶距离为L2。在没有开放匝道入口处的应急车道时候，保持最短距离处L23的车辆识别装置处于一直工作状态，保证在打开的时候应急车道上没有救援车辆即将驶入匝道。比较L2与L21、L22、L23的大小，若 L22<L2<L21，则微处理器向L21位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它的两个远程车辆识别装置2待机；若L23<L2<L22，则微处理器向L22位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它两个远程车辆识别装置2待机；若L2<L23，则微处理器向L23位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它远程车辆识别装置2待机。设置三个远程车辆识别装置在L21、L22和L23的位置上，能够及时将救援车信息发送至微处理器后发送至显示装置和警示装置；在保证救援车到达匝道入口时应急车道畅通的同时尽可能提高匝道的开放时间，充分利用资源。Further, there are three remote vehicle identification devices, which are respectively installed at positions L21 , L22 and L23 from the entrance of the ramp to identify the distance of the rescue vehicle on the emergency lane in the case of congestion and non-congestion, and the microprocessor analyzes the The running speed of vehicles in the ramp is used to determine how long it will take for all vehicles in the ramp to drive out, and the driving distance of the rescue vehicle within this time is L2 . When the emergency lane at the entrance of the ramp is not opened, the vehicle identification device at L23 at the shortest distance is always in working condition to ensure that no rescue vehicle is about to enter the ramp in the emergency lane when it is opened. Compare the size of L2 with L21 , L22 , L23 , if L22 <L2 <L21 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position of L21 to make it in a working state, The other two remote vehicle identification devices 2 are in standby; if L23 <L2 <L22 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position of L22 to make it work, and the other two remote The vehicle identification device 2 is on standby; if L2 <L23 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position L23 to make it in a working state, and other remote vehicle identification devices 2 are on standby. Set up three remote vehicle identification devices at the positions of L21 , L22 and L23 , which can send the rescue vehicle information to the microprocessor in time and then send it to the display device and warning device; ensure the emergency lane when the rescue vehicle reaches the ramp entrance While smooth, maximize the opening time of the ramp and make full use of resources.
附图说明Description of drawings
图1为本实用新型的装置安装示意图；Fig. 1 is the device installation schematic diagram of the present invention;
图2为本实用新型的装置结构框图。FIG. 2 is a block diagram of the device structure of the present invention.
其中：1-应急车道；2-远程车辆识别装置；3-显示装置；4-匝道入口检测装置；5-警示装置；6-匝道；7-匝道出口检测装置。Among them: 1-emergency lane; 2-remote vehicle identification device; 3-display device; 4-ramp entrance detection device; 5-warning device; 6-ramp; 7-ramp exit detection device.
具体实施方式Detailed ways
为了使本技术领域的人员更好地理解本实用新型方案，下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分的实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本实用新型保护的范围。In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
需要说明的是，本实用新型的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本实用新型的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. . It is to be understood that the data so used may be interchanged under appropriate circumstances so that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those expressly listed Rather, those steps or units may include other steps or units not expressly listed or inherent to these processes, methods, products or devices.
下面结合附图对本实用新型做进一步详细描述：Below in conjunction with accompanying drawing, the utility model is described in further detail:
参见图1和2，本实用新型一种驶出高速公路的匝道入口处应急车道开放装置，包括匝道入口检测装置4、匝道出口检测装置7、远程车辆识别装置2、射频收发器、微处理器、显示装置3和警示装置5；匝道入口检测装置4固定安装在匝道入口处，用于检测匝道入口处的车辆信息；匝道出口检测装置7固定安装在匝道出口远离匝道6的一端，用于检测匝道出口处的车辆信息；远程车辆识别装置2固定安装在匝道入口远离匝道6的一端，用于检测救援车信息；显示装置3 固定安装在匝道入口与远程车辆识别装置2之间；警示装置5安装在匝道6内部；匝道入口检测装置4、匝道出口检测装置7和远程车辆识别装置2的输出端均连接射频收发器的输入端；射频收发器的输出端连接微处理器的输入端；微处理器的输出端连接显示装置3和警示装置5。Referring to Figures 1 and 2, an emergency lane opening device at the entrance of a ramp exiting the expressway of the present invention includes a ramp entrance detection device 4, a ramp exit detection device 7, a remote vehicle identification device 2, a radio frequency transceiver, and a microprocessor. , a display device 3 and a warning device 5; the ramp entrance detection device 4 is fixedly installed at the ramp entrance to detect vehicle information at the ramp entrance; the ramp exit detection device 7 is fixedly installed at the end of the ramp exit away from the ramp 6 for detection Vehicle information at the exit of the ramp; the remote vehicle identification device 2 is fixedly installed at the end of the ramp entrance away from the ramp 6 to detect rescue vehicle information; the display device 3 is fixedly installed between the ramp entrance and the remote vehicle identification device 2; the warning device 5 Installed inside the ramp 6; the outputs of the ramp entrance detection device 4, the ramp exit detection device 7 and the remote vehicle identification device 2 are all connected to the input end of the radio frequency transceiver; the output end of the radio frequency transceiver is connected to the input end of the microprocessor; The output end of the processor is connected to the display device 3 and the warning device 5 .
优选的，匝道入口检测装置4选用BMT6-W视频检测器，固定在主路与匝道入口的交接位置的灯杆上，距离地面高度6.5米。通过视频识别来获得道路信息，主要用于获得匝道入口处每车道的交通流量、平均车辆行驶速度、平均车头时距、车道占用率等。匝道出口检测装置7同样选用BMT6-W视频检测器，固定远离匝道出口位置50米的灯杆上，距离地面高度6.5米。通过视频识别来获得道路信息，主要用于获得匝道出口处每车道的交通流量、平均车辆行驶速度、平均车头时距、车道占用率等。Preferably, the ramp entrance detection device 4 selects a BMT6-W video detector, which is fixed on the light pole at the intersection of the main road and the ramp entrance, and is 6.5 meters above the ground. The road information is obtained through video recognition, which is mainly used to obtain the traffic flow of each lane at the entrance of the ramp, the average vehicle speed, the average headway, and the lane occupancy rate. The ramp exit detection device 7 also uses a BMT6-W video detector, which is fixed on a light pole 50 meters away from the ramp exit position and a height of 6.5 meters from the ground. The road information is obtained through video recognition, which is mainly used to obtain the traffic flow of each lane at the exit of the ramp, the average vehicle speed, the average headway, and the lane occupancy rate.
优选的，远程车辆识别装置2为TPR-200一体化高清车牌识别摄像机，具有车牌识别功能，车牌上反射的光被摄像机镜头收集，使其聚焦在摄像器件的受光面上，再通过摄像器件把光转变为电能，得到"视频信号"，再通过车牌识别算法分析，得到相应车牌号，通过车牌号确定是否有救援车。Preferably, the remote vehicle recognition device 2 is a TPR-200 integrated high-definition license plate recognition camera, which has the function of license plate recognition. The light reflected on the license plate is collected by the camera lens to focus on the light-receiving surface of the camera device. The light is converted into electrical energy, and a "video signal" is obtained, which is then analyzed by the license plate recognition algorithm to obtain the corresponding license plate number, and the license plate number is used to determine whether there is a rescue vehicle.
优选的，射频收发器为MR49XA射频收发器，MRF49XA是一个完全集成的 sub-GHzRF收发器，支持434/868/915MHzISM频段和FSK调制与FHSS能力，接收匝道入口检测装置4、匝道出口检测装置7和远程车辆识别装置2所检测到的信息，将此数据传输给微处理器。Preferably, the radio frequency transceiver is an MR49XA radio frequency transceiver. MRF49XA is a fully integrated sub-GHz RF transceiver that supports 434/868/915MHz ISM frequency bands and FSK modulation and FHSS capabilities, and receives a ramp entrance detection device 4 and a ramp exit detection device 7 And the information detected by the remote vehicle identification device 2, this data is transmitted to the microprocessor.
优选的，微处理器为S3C2410嵌入式处理器，显示装置3为LED显示屏，警示装置5为TE-1101J警示灯。Preferably, the microprocessor is an S3C2410 embedded processor, the display device 3 is an LED display screen, and the warning device 5 is a TE-1101J warning light.
本实用新型的工作原理：The working principle of the present utility model:
匝道入口检测装置4测得匝道入口处平均车辆行驶速度V1、匝道出口检测装置7测得匝道出口处平均车辆行驶速度V2，通过微处理器计算车辆通过匝道的平均速度V3＝(V1+V2)/2。预设匝道的总长度为L1，计算T＝L1/V3为匝道中的车辆行驶通过匝道所需的总时间。预设救援车在应急车道上行驶的平均速度为V，计算 L2＝TV，此时L2即距离匝道入口处识别应急车道上救援车的距离。通过此计算方式计算得到拥堵和不拥堵的情况下识别应急车道上的救援车的最长距离L21和最短距离L23。预设三个远程车辆识别装置2与匝道入口之间的距离为L21、L22、 L23，其中，L21为拥挤情况下疏通匝道的时间内救援车的行驶距离；L23为畅通情况下疏通匝道的时间内救援车的行驶距离；L22＝/2。在没有开放匝道入口处的应急车道时候，保持最短距离处L23的车辆识别装置处于一直工作状态，保证在打开的时候应急车道上没有救援车辆即将驶入匝道。比较L2与L21、L22、L23的大小，若L22<L2<L21，则微处理器向L21位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它的两个远程车辆识别装置2待机；若L23<L2<L22，则微处理器向L22位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它两个远程车辆识别装置2待机；若L2<L23，则微处理器向L23位置处的远程车辆识别装置2发送控制信号，使其处于工作状态，其它远程车辆识别装置 2待机。在L21、L22、L23处安装三个远程车辆识别装置2，将其固定在离地面6.5 米高度的灯杆上，主要用于车牌照种类的检测。若识别到了救援车车牌，就立即将此信息通过射频收发器发送至微处理器辅助决策。微处理器对比此时系统预设交通流量值、车辆平均行驶速度值、和远程车辆检测器在该区间内没有检测出有救援车行驶，并通过此时开放应急车道的事故率和通行能力增加的对比，判断此时是否满足打开应急车道的条件。若此时满足打开应急车道条件，就可以决策开放应急车道行车。将此决策信息发送到显示屏上，通过LED显示屏显示“应急车道通车”字幕。微处理器接收到远程车辆识别装置识别到的救援车车牌信息后，立即控制LED显示屏显示“应急车道关闭，请驶离应急车道”的字样，同时向安装在匝道内部的警示灯发送控制信息，使其处于工作状态，通过警示灯的闪烁和声音的播报提醒匝道内外的车辆尽快驶离应急车道。The ramp entrance detection device 4 measures the average vehicle speed V1 at the ramp entrance, the ramp exit detection device 7 measures the average vehicle speed V2 at the ramp exit, and the microprocessor calculates the average vehicle speed V3 =(V1 +V2 )/2. The total length of the preset ramp is L1 , and T=L1 /V3 is calculated as the total time required for vehicles in the ramp to travel through the ramp. The preset average speed of the rescue vehicle running on the emergency lane is V, and L2 =TV is calculated. At this time, L2 is the distance from the entrance of the ramp to identify the rescue vehicle on the emergency lane. Through this calculation method, the longest distance L21 and the shortest distance L23 for identifying the rescue vehicle on the emergency lane under the condition of congestion and non-congestion are obtained. The preset distances between the three remote vehicle identification devices 2 and the ramp entrance are L21 , L22 and L23 , where L21 is the travel distance of the rescue vehicle within the time to clear the ramp under crowded conditions; L23 is the unblocked condition The travel distance of the rescue vehicle within the time of getting off the dredging ramp; L22 =/2. When the emergency lane at the entrance of the ramp is not opened, the vehicle identification device at L23 at the shortest distance is always in working condition to ensure that no rescue vehicle is about to enter the ramp in the emergency lane when it is opened. Compare the size of L2 with L21 , L22 , L23 , if L22 <L2 <L21 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position of L21 to make it in a working state, The other two remote vehicle identification devices 2 are in standby; if L23 <L2 <L22 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position of L22 to make it work, and the other two remote The vehicle identification device 2 is on standby; if L2 <L23 , the microprocessor sends a control signal to the remote vehicle identification device 2 at the position L23 to make it work, and other remote vehicle identification devices 2 are on standby. Install three remote vehicle identification devices 2 at L21 , L22 , and L23 , and fix them on a light pole 6.5 meters above the ground, mainly for the detection of license plate types. If the license plate of the rescue vehicle is recognized, the information is immediately sent to the microprocessor through the radio frequency transceiver to assist decision-making. The microprocessor compares the preset traffic flow value of the system, the average vehicle speed value, and the remote vehicle detector does not detect a rescue vehicle in this interval, and the accident rate and traffic capacity increase by opening the emergency lane at this time , to judge whether the conditions for opening the emergency lane are met at this time. If the conditions for opening the emergency lane are met at this time, a decision can be made to open the emergency lane for driving. This decision-making information is sent to the display screen, and the subtitle of "emergency lane open to traffic" is displayed through the LED display screen. After the microprocessor receives the license plate information of the rescue vehicle recognized by the remote vehicle identification device, it immediately controls the LED display to display the words "emergency lane closed, please leave the emergency lane", and at the same time sends control information to the warning lights installed inside the ramp , make it in working state, and remind the vehicles inside and outside the ramp to leave the emergency lane as soon as possible through the flashing of the warning light and the sound broadcast.
将传统的高速公路匝道指路标志换成显示可变信息的LED显示屏，在实时显示指路信息的基础上，显示是否开放应急车道进行正常的通车。达到合理利用高速公路的道路设施，增加高速公路匝道处通行能力的目的，具有投资费用少、设计简单、可靠性高的特点。The traditional highway ramp guide signs are replaced with LED display screens that display variable information, and on the basis of real-time display of road guide information, it shows whether the emergency lanes are opened for normal traffic. To achieve the purpose of rationally utilizing the road facilities of the expressway and increasing the traffic capacity of the expressway ramp, it has the characteristics of low investment cost, simple design and high reliability.
以上内容仅为说明本实用新型的技术思想，不能以此限定本实用新型的保护范围，凡是按照本实用新型提出的技术思想，在技术方案基础上所做的任何改动，均落入本实用新型权利要求书的保护范围之内。The above content is only to illustrate the technical idea of the present utility model, and cannot limit the protection scope of the present utility model. Any changes made on the basis of the technical solution according to the technical idea proposed by the present utility model fall into the scope of the present utility model. within the scope of protection of the claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192270.3UCN209087142U (en) | 2018-12-25 | 2018-12-25 | An emergency lane opening device at the entrance of a ramp exiting an expressway |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192270.3UCN209087142U (en) | 2018-12-25 | 2018-12-25 | An emergency lane opening device at the entrance of a ramp exiting an expressway |
| Publication Number | Publication Date |
|---|---|
| CN209087142Utrue CN209087142U (en) | 2019-07-09 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822192270.3UExpired - Fee RelatedCN209087142U (en) | 2018-12-25 | 2018-12-25 | An emergency lane opening device at the entrance of a ramp exiting an expressway |
| Country | Link |
|---|---|
| CN (1) | CN209087142U (en) |
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| CN115273466A (en)* | 2022-07-14 | 2022-11-01 | 中远海运科技股份有限公司 | Monitoring method and system based on flexible lane management and control algorithm |
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| CN112396840A (en)* | 2020-11-19 | 2021-02-23 | 上海海事大学 | Traffic signal control method suitable for highway accident handling |
| CN113034914A (en)* | 2021-03-23 | 2021-06-25 | 同济大学建筑设计研究院(集团)有限公司 | Highway hard shoulder dynamic adjustment system and method |
| CN113034914B (en)* | 2021-03-23 | 2022-07-19 | 同济大学建筑设计研究院(集团)有限公司 | Highway hard shoulder dynamic adjustment system and method |
| CN114202940A (en)* | 2021-12-31 | 2022-03-18 | 北京北大千方科技有限公司 | Traffic control system and method for emergency lane on expressway |
| CN114202940B (en)* | 2021-12-31 | 2023-05-02 | 北京北大千方科技有限公司 | Traffic control system and method for emergency lane on expressway |
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| CN115547076A (en)* | 2022-10-19 | 2022-12-30 | 浙江数智交院科技股份有限公司 | An intelligent management and control system for open traffic on hard shoulders |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20190709 Termination date:20191225 | |
| CF01 | Termination of patent right due to non-payment of annual fee |