WO2019000766A1 - 基于射频技术的公交车智能开关门系统 - Google Patents

基于射频技术的公交车智能开关门系统 Download PDF

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Publication number
WO2019000766A1
WO2019000766A1 PCT/CN2017/108959 CN2017108959W WO2019000766A1 WO 2019000766 A1 WO2019000766 A1 WO 2019000766A1 CN 2017108959 W CN2017108959 W CN 2017108959W WO 2019000766 A1 WO2019000766 A1 WO 2019000766A1
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Prior art keywords
vehicle
relay
bus
reader
central processor
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PCT/CN2017/108959
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English (en)
French (fr)
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曹峰
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苏州美天网络科技有限公司
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Publication of WO2019000766A1 publication Critical patent/WO2019000766A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/77—Power-operated mechanisms for wings with automatic actuation using wireless control
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
    • E05Y2900/531—Doors

Definitions

  • the invention relates to the field of urban transportation services, in particular to a bus intelligent door opening system based on radio frequency technology.
  • the switch door system is an important part to realize the intelligentization of the bus.
  • the switch door system of the bus basically needs manual operation. When the bus arrives at the station, the driver needs to manually control the door switch, and the door often appears.
  • Radio Frequency Identification Technology is a non-contact, latest automatic identification technology matured in the early 21st century and is now being promoted and applied in various industries around the world.
  • RFID Radio Frequency Identification
  • RFID is a wireless communication technology that uses radio signals to identify specific targets and read and write related data without the need to identify mechanical or optical contact between the system and a particular target.
  • the technical problem to be solved by the present invention lies in the above-mentioned shortcomings in the prior art, a bus intelligent door opening system based on radio frequency technology, which can intelligently determine whether there is a passenger who needs to get off the vehicle when the vehicle arrives, and according to the judgment As a result, the vehicle door switch is automatically controlled, and when the car is not stopped, the door will not open, which provides a strong guarantee for passenger safety and provides great convenience for both the passenger and the driver.
  • a bus intelligent door system based on radio frequency technology comprising: bus card electronic tag, first relay, second relay, central processor, first reader , a second reader and a voice broadcaster;
  • the first reader further includes a touch display for allowing the passenger to select a destination site;
  • the second reader is installed in the vehicle for scanning the bus card electronic tag in the car;
  • the central processor is respectively connected to the first reader, the second reader, the second relay, the voice broadcaster, the vehicle reporting system, and the vehicle speedometer;
  • One end of the first relay is connected to the speedometer of the vehicle, and the other end is connected to the front door switch of the vehicle for controlling the front door switch of the bus according to the speed of the vehicle;
  • the second relay is connected to the central processor at one end and the vehicle rear door switch is connected at the other end for controlling the rear door switch of the bus according to an instruction sent by the central processor.
  • control step for the vehicle door switch includes a control step for the vehicle rear door switch and a control step for the vehicle front door switch.
  • control steps for the vehicle rear door switch are:
  • the vehicle reporting system transmits the arrival information to the central processor, and the central processor extracts the marked electronic card information of the public transportation card stored therein, and compares and checks whether the marking is used.
  • the station is the electronic card information of the bus card of the station, and the viewing result is divided into two types: I. If the result is “No”, it is determined that the station is unmanned, and the central processor sends the second relay to the second relay. Closing the door, the second relay controls the rear door of the vehicle to be closed; II.
  • the central processor checks the indication of the speedometer connected thereto, when the vehicle speed When the indication value becomes zero, the central processor sends a door opening command to the second relay to open the vehicle rear door; 2) after the back door is opened for 45 seconds, the central processor sends an instruction to the second reader to scan The bus card electronic tag in the car, the second reader transmits the scanned information to the central processor, and the central processor checks again whether there is a destination station marked as the bus of the station a label; 3) when the check result is "No", the central processor sends a door closing command to the second relay, the second relay controls to close the vehicle rear door; 4) when the check result is "Yes", the center The processor sends an instruction to the voice announcer to broadcast the vehicle arrival information to remind the passenger to get off the vehicle. After 30 seconds, the central processor sends a door closing command to the second relay to close the vehicle rear door.
  • control step of the vehicle front door switch is: when the vehicle arrives at the station, when the vehicle speed indication value of the vehicle becomes zero, the first relay action connected with the speedometer is triggered to control opening the front door of the vehicle; When not zero, the first relay controls to close the front door of the vehicle.
  • the bus card electronic tag adopts a semi-active readable and writable electronic tag, has a unique electronic code, triggers activation at a low frequency of 125 kHz, performs signal transmission under a 2.45 GHz microwave, and the bus card electronic tag is first.
  • the reader is activated at close range and transmits signals remotely from the second reader within the cabin.
  • the first reader uses a 125 KHz low frequency reader installed at the front door of the bus for a proximity scan to activate the bus card electronic tag, and the first reader further includes a passenger for selection purpose.
  • the touch display screen of the site after the passenger gets on the bus, select the destination site on the touch display screen, and then use the bus card electronic tag to swipe the card, the first reader uses the information of the bus card electronic tag and The passenger selects the destination site information bundled for transmission to the central processor.
  • the second reader uses a 2.45 GHz microwave reader, including a plurality of readers, installed at a designated point in the vehicle, the microwave radiation range covers only the entire car, and the second reader can be integrated with the car.
  • the bus card electronic tag simultaneously exchanges signals.
  • the first relay is connected to the speedometer of the vehicle at one end and the front door switch of the vehicle is connected to the other end, and the first relay receives when the vehicle speed indicating value changes from zero to a positive value or from a positive value to a zero value.
  • the information of the electric signal will change.
  • the first relay is controlled to be turned on and off, thereby controlling the front door switch of the vehicle.
  • one end of the second relay is connected to the central processing unit, and the other end is connected to the rear door switch of the vehicle, and the electric signal command sent by the central processor is controlled by the triode to control the on and off of the second relay, thereby controlling the rear door switch of the vehicle.
  • the front door and the rear switch of the vehicle are also connected with a door manual control button for the driver to manually control the front and rear door switches of the vehicle under special circumstances.
  • the invention has the beneficial effects of: determining the destination site of each boarding passenger by using radio frequency technology, and intelligently judging whether there is a passenger needing to get off the vehicle when the vehicle arrives at the station, and automatically controlling the vehicle door switch according to the judgment result, without the driver switch
  • the door not only reduces the workload of the driver, but also facilitates the passenger to get off the vehicle. When the car is not stopped, the door will not open, which provides a strong guarantee for passenger safety.
  • FIG. 1 is a schematic block diagram of a smart switch door system for a bus based on radio frequency technology according to the present invention
  • a radio frequency intelligent bus door system includes: a bus card electronic tag, a first relay, a second relay, a central processing unit, a first reader, and a second reading. And voice broadcaster.
  • One end of the first relay is connected to the speedometer of the vehicle, and the other end is connected to the front door switch of the vehicle for controlling the switch of the front door of the bus according to the speed of the vehicle; the second relay is connected to the central processor at one end and the rear door switch is connected to the other end according to the central processing.
  • the command sent by the device controls the switch of the back door of the bus;
  • the first reader installed at the front door of the bus is used for card consumption of the bus card electronic tag, and also includes a touch display screen for the passenger to select the destination station;
  • the second reader is installed in the vehicle for scanning the bus card electronic tag in the car;
  • the central processor is connected to the first reader, the second reader, the second relay, the vehicle reporting system and the voice broadcast of the bus. Device.
  • the first reader is installed at the front door of the bus, and is connected to the central processor. After the passenger gets on the bus, the destination site is selected on the touch display screen on the first reader, and then the bus card is used to consume the card, the first reader.
  • the information of the bus card electronic tag and the passenger selected destination site information are bundled and transmitted to the central processor, and the central processor marks the destination station of the bus card electronic tag as the site selected by the passenger, and stores the information.
  • the control step of the vehicle front door switch is: when the vehicle arrives at the station, when the vehicle speedometer indicates that the vehicle speed is zero, the first relay action is triggered, the control opens the front door of the vehicle, and when the vehicle speed is not zero, the first relay control is turned off. The front door of the vehicle.
  • the control steps for the vehicle's rear door switch are:
  • the vehicle reporting system transmits the arrival information to the central processor, and the central processor extracts the marked electronic card information of the public transportation card stored therein, and compares and checks whether the marking is used.
  • the station is the electronic card information of the bus card of the station, and the viewing result is divided into two types: I. If the result is “No”, it is determined that the station is unmanned, and the central processor sends the second relay to the second relay. Closing the door, the second relay controls the rear door of the vehicle to be closed; II.
  • the central processor checks the indication of the speedometer connected thereto, when the vehicle speed When the indication value becomes zero, the central processor sends a door opening command to the second relay to open the vehicle rear door; 2) after the back door is opened for 45 seconds, the central processor sends an instruction to the second reader to scan Car interior a bus card electronic tag, the second reader transmitting the scanned information to the central processor, the central processor rechecking whether there is still a destination station marked as the bus electronic tag of the station; 3) When the check result is "No”, the central processor sends a closing command to the second relay, the second relay controls to close the rear door of the vehicle; 4) when the check result is "Yes”, the central processor sends an instruction To the voice broadcaster, the vehicle arrival information is broadcasted to remind the passenger to get off the vehicle. After 30 seconds, the central processor sends a door closing command to the second relay to close the vehicle rear door.
  • the bus card electronic tag uses a semi-active readable and writable electronic tag, has a unique electronic code, triggers activation at a low frequency of 125KHz, transmits signals under a 2.45GHz microwave, and the bus card electronic tag is close to the first reader. Activated to transmit signals over the distance from the second reader in the cabin.
  • the first reader uses a 125KHz low frequency reader, installed at the front door of the bus, and can only exchange signals with close-range electronic tags for short-distance scanning to activate the bus card electronic tag, and the first reader also includes one for The passenger selects the touch display screen of the destination site; after the passenger gets on the bus, selects the destination site on the touch display screen on the first reader, and then uses the bus card electronic tag to swipe the card, and the first reader uses the information of the bus card electronic tag. Bundled with the passenger to select the destination site information for transmission to the central processor.
  • the second reader uses a 2.45GHz microwave reader, including several readers, installed at a designated point in the car, so that the microwave radiation range covers only the entire car, and the second reader can simultaneously with all the bus card electronic tags in the car. Exchange signals.
  • one end of the first relay is connected to the speedometer of the vehicle, and the other end is connected to the front door switch of the vehicle.
  • the vehicle speed indicating value changes from zero to a positive value or from a positive value to a zero value
  • the electrical signal information received by the first relay occurs.
  • the change after the triode is amplified, controls the on and off of the first relay to control the front door switch of the vehicle.
  • one end of the second relay is connected to the central processing unit, and the other end is connected to the rear door switch of the vehicle, and the electric signal command sent by the central processor is controlled by the triode to control the on and off of the second relay, thereby controlling the rear door switch of the vehicle.
  • the front door and the rear switch of the vehicle are also connected with a door manual control button for manually controlling the front and rear door switches of the vehicle under special circumstances.

Abstract

一种基于射频技术的公交车智能开关门系统，包括：公交卡电子标签、第一继电器、第二继电器、中央处理器、第一阅读器、第二阅读器和语音播报器。第一阅读器还包括一个用于让乘客选择目的站点的触摸显示屏，中央处理器分别与第一阅读器、第二阅读器、第二继电器、语音播报器、车辆报站系统和车辆车速表连接。系统能智能判断车辆到站时是否有乘客需要下车，并根据判断结果自动控制车辆车门开关，并且在车未停稳时，车门不会打开，对乘客安全提供了有力保障，为乘客和司机均提供了很大便利。

Description

基于射频技术的公交车智能开关门系统 技术领域
本发明涉及城市交通服务领域，尤其是一种基于射频技术的公交车智能开关门系统。
背景技术
随着国家经济水平的不断提高，城市的建设步伐亦越来越快，城市公交的使用在很大程度上解决了交通拥堵的问题。公交系统的技术改进对城市交通的发展至关重要，实现公交车系统只能化运作具有深远意义。其中，开关门系统是实现公交车智能化的重要环节，而目前公交车的开关门系统基本都需要人工操作，每当公交车到站后，司机都需要手动控制车门开关，并且经常会出现车门打开却无人下车和有人要下车但车门却为及时打开的现象，浪费了乘客和司机的时间，对乘客乘车造成了不便，并且这种方式不仅非常麻烦，不够智能，而且还由于司机在控制在带有人为因素，存在很多安全隐患。
射频识别技术RFID(Radio Frequency Identification Technology)是成熟于21世纪初的一种非接触式的最新自动识别技术，目前正在全世界的各种行业中得以推广应用。射频识别是一种无线通信技术，可以通过无线电讯号识别特定目标并读写相关数据，而无需识别系统与特定目标之间建立机械或者光学接触。
发明内容
本发明所要解决的技术问题在于针对上述现有技术中的不足，一种基于射频技术的公交车智能开关门系统，该系统能智能判断在车辆到站时是否有乘客需要下车，并根据判断结果自动控制车辆车门开关，并且在车未停稳时，车门不会打开，对乘客安全提供了有力保障，为乘客和司机都提供了很大便利。
为解决上述技术问题，本发明采用的技术方案是：一种基于射频技术的公交车智能开关门系统，包括：公交卡电子标签、第一继电器、第二继电器、中央处理器、第一阅读器、第二阅读器和语音播报器；
所述第一阅读器还包括一个用于让乘客选择目的站点的触摸显示屏；
所述第二阅读器安装于车内，用于扫描车厢内的所述公交卡电子标签；
所述中央处理器分别与所述第一阅读器、所述第二阅读器、所述第二继电器、所述语音播报器、车辆报站系统和车辆车速表连接；
所述第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，用于根据车辆速度控制公交车前门开关；
所述第二继电器一端连接所述中央处理器，另一端连接车辆后门开关，用于根据所述中央处理器发送的指令控制公交车后门开关。
优选的是，对车辆车门开关的控制步骤包括对车辆后门开关的控制步骤和对车辆前门开关的控制步骤。
优选的是，对车辆后门开关的控制步骤为：
车辆到站时，车辆报站系统将到站信息传输给所述中央处理器，所述中央处理器提取存储于其中的被标记后的所述公交卡电子标签信息，对比查看是否有标记的目的站是此站的所述公交卡电子标签信息，查看结果分为两种：I.若结果为“否”，则判断此站无人下车，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制车辆后门关闭；II.若结果为“是”，则按照以下步骤执行操作：1)所述中央处理器再检查与之连接的车速表的示值，当车速示值变为零时，所述中央处理器向所述第二继电器发送开门指令，打开车辆后门；2)后门打开45秒后，所述中央处理器向所述第二阅读器发送指令，扫描车内所述公交卡电子标签，所述第二阅读器将扫描的信息传输给所述中央处理器，所述中央处理器再检查是否还有目的站标记为此站的所述公交车电子标签；3)检查结果为“否”时，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制关闭车辆后门；4)检查结果为“是”时，所述中央处理器发送指令至所述语音播报器，播报车辆到站信息，提醒乘客下车，30秒后，所述中央处理器向所述第二继电器发送关门指令，关闭车辆后门。
优选的是，对车辆前门开关的控制步骤为：车辆到站时，当车辆的车速表示值变为为零时，触发与车速表连接的所述第一继电器动作，控制打开车辆前门；当车速不为零时，所述第一继电器控制关闭车辆前门。
优选的是，所述公交卡电子标签采用半有源可读写电子标签，具有唯一的电子编码，在低频125KHz频率下触发激活，在2.45GHz微波下进行信号传输，公交卡电子标签被第一阅读器近距离激活，在车厢内与所述第二阅读器远距离传输信号。
优选的是，所述第一阅读器采用125KHz低频阅读器，安装于公交车前门处，用于近距离扫描激活所述公交卡电子标签，所述第一阅读器上还包括一个供乘客选择目的站点的所述触摸显示屏；乘客上车后，在所述触摸显示屏上选择目的站点，再使用所述公交卡电子标签刷卡消费，所述第一阅读器将该公交卡电子标签的信息和乘客选择目的站点信息捆绑传输至所述中央处理器。
优选的是，所述第二阅读器采用2.45GHz微波阅读器，包括数个阅读器，安装于车内指定点，其微波辐射范围只覆盖整个车厢，所述第二阅读器能与车内所有所述公交卡电子标签同时交换信号。
优选的是，所述第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，当车辆车速表示值由零变为正值或由正值变为零时，所述第一继电器接收到得电信号信息会发生变化，经过三极管放大后，控制第一继电器的通断，从而控制车辆前门开关。
优选的是，第二继电器一端连接中央处理器，另一端连接车辆后门开关，中央处理器发送的电信号指令，经过三极管放大后，控制第二继电器的通断，从而控制车辆后门开关。
优选的是，车辆前门和后面开关还连接一个车门手动控制按钮，用于在特殊情况下供司机手动控制车辆前后车门开关。
本发明的有益效果是：利用射频技术，确定每个上车乘客的目的站点，车辆到站时，智能判断是否有乘客需要下车，并根据判断结果自动控制车辆车门开关，不需要驾驶员开关车门，不仅减少了驾驶员的工作量，也方便了乘客下车，并且在车未停稳时，车门不会打开，对乘客安全提供了有力保障。
附图说明
图1为本发明的基于射频技术的公交车智能开关门系统的原理框图
具体实施方式
下面结合附图对本发明做进一步的详细说明，以令本领域技术人员参照说明书文字能够据以实施。
应当理解，本文所使用的诸如“具有”、“包含”以及“包括”术语并不配出一个或多个其它元件或其组合的存在或添加。
如图1所示，本实施例的一种基于射频技术的公交车智能开关门系统，包括：公交卡电子标签、第一继电器、第二继电器、中央处理器、第一阅读器、第二阅读器和语音播报器。第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，用于根据车辆速度控制公交车前门的开关；第二继电器一端连接中央处理器，另一端连接车辆后门开关，用于根据中央处理器发送的指令控制公交车后门的开关；安装于公交车前门处的第一阅读器用于对公交卡电子标签进行刷卡消费，其上还包括一个用于让乘客选择目的站的触摸显示屏；第二阅读器安装于车内，用于扫描车厢内的公交卡电子标签；中央处理器同时连接第一阅读器、第二阅读器、第二继电器、公交车自带的车辆报站系统和语音播报器。
第一阅读器安装于公交车前门处，与中央处理器连接，乘客上车后，在第一阅读器上的触摸显示屏上选择目的站点，再使用公交卡电子标签刷卡消费，第一阅读器将该公交卡电子标签的信息和乘客选择目的站点信息捆绑传输至中央处理器，中央处理器将所述的公交卡电子标签的目的站标记为所述乘客选择的站点，并储存该信息。
对于车辆前门开关的控制步骤为：当车辆到站时，当车辆的车速表显示车辆车速为零时，触发第一继电器动作，控制打开车辆前门，当车速不为零时，第一继电器控制关闭车辆前门。
对车辆后门开关的控制步骤为：
车辆到站时，车辆报站系统将到站信息传输给所述中央处理器，所述中央处理器提取存储于其中的被标记后的所述公交卡电子标签信息，对比查看是否有标记的目的站是此站的所述公交卡电子标签信息，查看结果分为两种：I.若结果为“否”，则判断此站无人下车，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制车辆后门关闭；II.若结果为“是”，则按照以下步骤执行操作：1)所述中央处理器再检查与之连接的车速表的示值，当车速示值变为零时，所述中央处理器向所述第二继电器发送开门指令，打开车辆后门；2)后门打开45秒后，所述中央处理器向所述第二阅读器发送指令，扫描车内所 述公交卡电子标签，所述第二阅读器将扫描的信息传输给所述中央处理器，所述中央处理器再检查是否还有目的站标记为此站的所述公交车电子标签；3)检查结果为“否”时，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制关闭车辆后门；4)检查结果为“是”时，所述中央处理器发送指令至所述语音播报器，播报车辆到站信息，提醒乘客下车，30秒后，所述中央处理器向所述第二继电器发送关门指令，关闭车辆后门。
其中，公交卡电子标签采用半有源可读写电子标签，具有唯一的电子编码，在低频125KHz频率下触发激活，在2.45GHz微波下进行信号传输，公交卡电子标签被第一阅读器近距离激活，在车厢内与第二阅读器远距离传输信号。
其中，第一阅读器采用125KHz低频阅读器，安装于公交车前门处，只能与近距离的电子标签交换信号，用于近距离扫描激活公交卡电子标签，第一阅读器上还包括一个供乘客选择目的站点的触摸显示屏；乘客上车后，在第一阅读器上的触摸显示屏上选择目的站点，再使用公交卡电子标签刷卡消费，第一阅读器将该公交卡电子标签的信息和乘客选择目的站点信息捆绑传输至中央处理器。
其中，第二阅读器采用2.45GHz微波阅读器，包括数个阅读器，安装于车内指定点，使其微波辐射范围只覆盖整个车厢，第二阅读器能与车内所有公交卡电子标签同时交换信号。
其中，第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，当车辆车速表示值由零变为正值或由正值变为零时，第一继电器接收到的电信号信息会发生变化，经过三极管放大后，控制第一继电器的通断，从而控制车辆前门开关。
其中，第二继电器一端连接中央处理器，另一端连接车辆后门开关，中央处理器发送的电信号指令，经过三极管放大后，控制第二继电器的通断，从而控制车辆后门开关。
其中，车辆前门和后面开关还连接一个车门手动控制按钮，用于在特殊情况下司机手动控制车辆前后车门开关。
应当理解，本文所使用的诸如“具有”、“包含”以及“包括”术语并不配出一个或多个其它元件或其组合的存在或添加。
尽管本发明的实施方案已公开如上，但其并不仅仅限于说明书和实施方式中所列运用。它完全可以被适用于各种适合本发明的领域。对于熟悉本领域的人员而言，可容易地实现另外的修改。因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里示出与描述的图例。

Claims (9)

  1. 一种基于射频技术的公交车智能开关门系统，其特征在于，包括：公交卡电子标签、第一继电器、第二继电器、中央处理器、第一阅读器、第二阅读器和语音播报器；
    所述第一阅读器还包括一个用于让乘客选择目的站点的触摸显示屏；
    所述第二阅读器安装于车内，用于扫描车厢内的所述公交卡电子标签；
    所述中央处理器分别与所述第一阅读器、所述第二阅读器、所述第二继电器、所述语音播报器、车辆报站系统和车辆车速表连接；
    所述第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，用于根据车辆速度控制公交车前门开关；
    所述第二继电器一端连接所述中央处理器，另一端连接车辆后门开关，用于根据所述中央处理器发送的指令控制公交车后门开关。
  2. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，对车辆车门开关的控制步骤包括对车辆后门开关的控制步骤和对车辆前门开关的控制步骤。
  3. 根据权利要求2所述的基于射频技术的公交车智能开关门系统，其特征在于，对车辆后门开关的控制步骤为：
    车辆到站时，车辆报站系统将到站信息传输给所述中央处理器，所述中央处理器提取存储于其中的被标记后的所述公交卡电子标签信息，对比查看是否有标记的目的站是此站的所述公交卡电子标签信息，查看结果分为两种：I.若结果为“否”，则判断此站无人下车，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制车辆后门关闭；II.若结果为“是”，则按照以下步骤执行操作：1)所述中央处理器再检查与之连接的车速表的示值，当车速示值变为零时，所述中央处理器向所述第二继电器发送开门指令，打开车辆后门；2)后门打开45秒后，所述中央处理器向所述第二阅读器发送指令，扫描车内所述公交卡电子标签，所述第二阅读器将扫描的信息传输给所述中央处理器，所述中央处理器再检查是否还有目的站标记为此站的所述公交车电子标签；3)检查结果为“否”时，所述中央处理器向所述第二继电器发送关门指令，所述第二继电器控制关闭车辆后门；4)检查结果为“是”时，所述中央处理器发送指令至所述语音播报器，播报车辆到站信息，提醒乘客下车，30秒后，所述中央处理器向所述第二继电器发送关门指令，关闭车辆后门。
  4. 根据权利要求2所述的基于射频技术的公交车智能开关门系统，其特征在于，对车辆前门开关的控制步骤为：车辆到站时，当车辆的车速表示值变为为零时，触发与车速表连接的所述第一继电器动作，控制打开车辆前门；当车速不为零时，所述第一继电器控制关闭车辆前门。
  5. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，所述公交卡电子标签采用半有源可读写电子标签，具有唯一的电子编码，在低频125KHz频率下触发激活，在2.45GHz微波下进行信号传输。
  6. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，所述第一阅读器采用125KHz低频阅读器，安装于公交车前门处，用于近距离扫描激活所述公交卡电子标签，所述第一阅读器上还包括一个供乘客选择目的站点的所述触摸显示屏；乘客上车后，在所述触摸显示屏上选择目的站点，再使用所述公交卡电子标签刷卡消费，所述第一阅读器将该公交卡电子标签的信息和乘客选择目的站点信息捆绑传输至所述中央处理器。
  7. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，所述第二阅读器采用2.45GHz微波阅读器，包括数个阅读器，安装于车内指定点，其微波辐射范围只覆盖整个车厢。
  8. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，所述第一继电器一端连接车辆的车速表，另一端连接车辆前门开关，用于根据车辆速度控制公交车前门开关。
  9. 根据权利要求1所述的基于射频技术的公交车智能开关门系统，其特征在于，所述第二继电器一端连接所述中央处理器，另一端连接车辆后门开关，用于根据所述中央处理器发送的指令控制公交车后门开关。
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