WO2011120300A1 - 汽车的自动组网装置 - Google Patents

汽车的自动组网装置 Download PDF

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Publication number
WO2011120300A1
WO2011120300A1 PCT/CN2010/078186 CN2010078186W WO2011120300A1 WO 2011120300 A1 WO2011120300 A1 WO 2011120300A1 CN 2010078186 W CN2010078186 W CN 2010078186W WO 2011120300 A1 WO2011120300 A1 WO 2011120300A1
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Prior art keywords
component
frequency signal
low frequency
identity
high frequency
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PCT/CN2010/078186
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English (en)
French (fr)
Inventor
李威
史卫华
Original Assignee
上海保隆汽车科技股份有限公司
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Application filed by 上海保隆汽车科技股份有限公司 filed Critical 上海保隆汽车科技股份有限公司
Priority to BR112012024561-9A priority Critical patent/BR112012024561B1/pt
Priority to MX2012011111A priority patent/MX2012011111A/es
Priority to EP10848758.8A priority patent/EP2555136B1/en
Priority to RU2012146642/08A priority patent/RU2012146642A/ru
Publication of WO2011120300A1 publication Critical patent/WO2011120300A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Definitions

  • the invention relates to an automatic networking device for a vehicle, by which information (such as pressure, temperature, etc.) collected by a user can be automatically sent to a display terminal.
  • information such as pressure, temperature, etc.
  • the data acquisition device located on the trailer is responsible for collecting information on the trailer
  • the data acquisition device located at the front of the vehicle is responsible for collecting the data information of the front
  • the two are connected by wire, and The data is transmitted in a wired manner, and the data is transmitted to the display of the front display.
  • the technical problem to be solved by the present invention is to provide a more simplified and flexible automatic networking device for automobiles.
  • the technical solution adopted by the present invention to solve the above technical problem is to propose an automatic group of automobiles a net device for a car having a first component and a replaceable second component, the automated networking device comprising a first identity module disposed on the first component and a second identity module disposed on the second component
  • the first identity recognition module includes a low frequency sensing circuit, a high frequency signal transmitting circuit, and a controller.
  • the low frequency sensing circuit is capable of sensing a low frequency wake-up signal.
  • the controller is connected to the low frequency sensing circuit and the high frequency signal transmitting circuit, and controls the high frequency signal transmitting circuit to transmit the identity code corresponding to the first component in response to the low frequency wake-up signal.
  • the second identification module low frequency signal transmitting circuit, high frequency signal receiving circuit and controller.
  • the low frequency signal transmitting circuit can emit the low frequency wake-up signal
  • the high frequency signal receiving circuit can receive the identity code sent by the high frequency signal transmitting circuit.
  • the controller is connected to the low frequency signal transmitting circuit and the high frequency signal receiving circuit for starting the low frequency signal transmitting circuit and storing the identity code received by the high frequency signal receiving circuit.
  • the first component is a front end of a car
  • the second component is a trailer of an automobile.
  • the second identity recognition module further includes a high frequency signal transmitting circuit, and the second identity recognition module receives the data collected from the second component via the high frequency signal receiving circuit, and loads the identity code. The data is received and the data is forwarded from the high frequency signal transmitting circuit.
  • the first component supplies power
  • the power cable of the second identity module is connected to the power supply line of the second component
  • the controller of the identity module is powered on, it is determined that the second component is connected to the first component to activate the low frequency signal transmitting circuit.
  • the first identity recognition module further includes a battery power supply circuit. In the above automatic networking device, the first identity recognition module is located in the low frequency signal coverage of the second identity recognition module.
  • Automatic low-frequency wake-up is used to make the monitoring process completely automatic, no need for human operation, users do not need professional operation when using, reduce the possible errors of manual code, use is simple, convenient, and the whole process is automated. , the maintenance cost during the user's use is reduced, and the efficiency of vehicle use is improved.
  • first identity recognition module and the second identity recognition module use a wireless connection method for signal transmission, the installation is greatly simplified, and a large number of wire harnesses are reduced, thereby reducing hardware cost and installation labor cost.
  • Figure 1 is a block diagram showing an embodiment of an automatic networking apparatus for an automobile.
  • FIG. 2 is a flow chart of data communication of an embodiment of an automatic networking device for a car.
  • FIG. 3 is a structural block diagram of an embodiment of a first identity recognition module.
  • FIG. 4 is a structural block diagram of an embodiment of a second identity recognition module.
  • Figure 5 is an exemplary execution flow diagram of the first identity module.
  • FIG. 6 is an exemplary execution flow diagram of a second identity module.
  • Figure 7 is an exemplary flow chart of the receiving and display module.
  • FIG. 1 is a block diagram showing an embodiment of an automatic networking apparatus for an automobile.
  • an automatic networking device 200 is disposed in the environment of a car 100 including a front end 10 and a trailer 120.
  • the automated networking device can also be used with a car that includes a first component and a replaceable second component that requires networking.
  • the automatic networking device 200 includes a first identity recognition module 210 and a second identity recognition module 220.
  • the first identity module 210 is disposed on the head 110 and the second identity module 220 is disposed on the trailer 120.
  • a receiving and displaying device 112 is disposed on the head 1 10.
  • the first identity recognition module 210 is configured to wirelessly transmit an identity code corresponding to the vehicle head 110.
  • the high frequency signal can be selected for the wireless transmission signal.
  • the second identity module 220 is configured to forward related data on the trailer 120 that needs to be collected. These data may be obtained from temperature and pressure sensor measurements of individual tires provided on trailer 120, and transmitted to second identity module 220 via wire or wireless.
  • the first identity recognition module 210 does not continuously transmit the identity code described above, but waits for a trigger condition.
  • the first identity recognition module 210 can be signaled by the second identity module 220.
  • the low frequency signal having a short wireless transmission range (which can be smaller than the vehicle body width) can be used as the wakeup signal S because of its high reliability.
  • the second identity module 220 performs the triggering described above when the trailer 120 is connected to the vehicle head 110 for networking. Although the triggering can be done manually, in an embodiment of the invention, the second identity module 220 can determine, by certain information, that the trailer 120 has been connected to the vehicle head 10. For example, the electronic components on the trailer 120 are typically powered by the front end 110. Each electronic device, such as the second identity module 220 The power cord is connected to the power supply loop of the trailer 120 to obtain power.
  • the second identity recognition module 220 can assume that the trailer 120 has been connected to the vehicle head 110 at the time of power-on startup, thereby entering the networking mode, and issuing a low frequency wake-up signal S to wake up the first identity recognition module 210.
  • the first identity recognition module 210 After entering the networking signal transmission mode, the first identity recognition module 210 sends the identity code ID corresponding to the vehicle head in a high frequency manner, and the identity code is received by the second identity recognition module 220 and saved. Thus, the second identity recognition module 220 can identify the currently connected front.
  • the first identity recognition module and the second identity recognition module do not need to store the identity identification information of the other party in advance before networking, but automatically learn each other's identity identification information after networking through the two. Complete the networking.
  • the first identity recognition module 210 may include a controller 21 1 , a low frequency sensing circuit 212 , a high frequency signal transmitting circuit 213 , and a battery power supply circuit 214 .
  • the controller 211 is connected to the low frequency sensing circuit 212, the high frequency signal transmitting circuit 213, and the battery power supply circuit 214.
  • the low frequency sensing circuit 212 is capable of sensing the low frequency wake-up signal S.
  • the controller 21 1 causes the module to enter the network signal transmission mode, and the high-frequency signal transmission circuit 213 transmits the identity code of the corresponding vehicle head.
  • the first identity module 210 can be battery powered to avoid cumbersome line connections due to its significant low power consumption.
  • Figure 5 is an exemplary execution flow diagram of the first identity module.
  • the second identity identifying module 220 may include a controller 221, a low frequency signal transmitting circuit 222, a high frequency signal transmitting circuit 223, and a high frequency signal receiving circuit 224.
  • the controller 221 is connected to the low frequency signal transmitting circuit 222, the high frequency signal transmitting circuit 223, and the high frequency signal receiving circuit 224.
  • the controller 221 is connected to the power supply line 122 of the trailer. After the power is turned on, the trailer that is located is considered to be connected to the front of the vehicle, so that the network mode is entered, and the low frequency signal transmitting circuit 222 is commanded to issue a low frequency wake-up signal to wake up the first identity recognition module. 210. After the first identity recognition module 210 issues the identity code, the high frequency signal receiving circuit 224 can receive the identity code ID and send it to the controller 221 for saving, and then the controller 221 exits the networking mode.
  • FIG. 6 is an exemplary execution flow diagram of a second identity module.
  • the second identity module 220 also receives data collected from the trailer via the high frequency signal receiving circuit 224.
  • the second identity module 220 can still obtain the acquired data via conventional wired or other types of wireless signals.
  • the controller 221 loads the saved vehicle head identity code into the data, and then forwards the data via the high frequency signal transmission circuit 223.
  • the receiving and displaying device 112 installed on the vehicle head 110 receives the data forwarded by the second identity recognition module 220, the vehicle head identity code is extracted and compared with the pre-stored identity code, and if it is confirmed that the data of the vehicle is displayed, the display processing is performed. If not, discard.
  • FIG. 7 is an exemplary flow diagram of receiving and display device 112.
  • the installation locations of the first identity recognition module 210 and the second identity recognition module 220 need to take into account the coverage of the wireless signal.
  • the first identity recognition module 210 should be located within the low frequency signal coverage of the second identity recognition module 220.
  • the second identity module 220 should be arranged such that its high frequency signal can cover the receiving and display device 112 and is covered by the high frequency signal of the first identity module 210.
  • the first identification module 210 is installed at the rear end of the trailer near the trailer, without any wiring harness, and only needs to be fixed.
  • the second identification module 220 is installed at the head end of the trailer, and only needs to connect its power line to the normal fire line of the trailer part, and there is no other wiring harness, and the installation is very convenient.
  • Automatic low-frequency wake-up is used to make the monitoring process completely automatic, no need for human operation, users do not need professional operation when using, reduce the possible errors of manual code, use is simple, convenient, and the whole process is automated. , the maintenance cost during the user's use is reduced, and the efficiency of vehicle use is improved.
  • first identity recognition module and the second identity recognition module use a wireless connection method for signal transmission, the installation is greatly simplified, and a large number of wire harnesses are reduced, thereby reducing hardware cost and installation labor cost.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Selective Calling Equipment (AREA)

Description

汽车的自动组网装置 技术领域
本发明涉及一种汽车的自动组网装置， 通过该装置可以自动将用户所需要 收集的信息 （如压力、 温度等） 发给显示端。 背景技术
随着交通越来越来发达， 对作为交通运输业的载体 车辆的管理要求也 越来越高， 但是目前对车辆的频繁更换仍没有较好的办法。 尤其是带有挂车的 车辆， 其车头和拖车之间的对应关系经常性变化， 甚至有一个车头带有多个拖 车的情况， 这就使得车辆的监控异常困难。 一般的， 显示端均在驾驶室内， 便 于驾驶员观看， 但是需要显示的车辆信息是经常变化的， 如何使显示端正确显 示所挂拖车的信息， 是车辆监控中的难题。
对于这种情况， 目前大多数的做法是： 位于拖车上的数据采集装置负责采 集拖车上的信息， 位于车头的数据采集装置则负责采集车头的数据信息， 两者 通过有线的方式连接， 并以有线方式进行数据传输， 将数据传输给车头的显示 器显示。 当卡车更换拖车时， 更换两者之间的连接线束。
该方式虽然可以解决拖车的更换带来的问题， 但是该方式的明显缺陷是需 要在车上布置大量的线束， 安装相当麻烦。 同时需要在更换拖车时进行线束的 插接操作。 这种方式不仅安装成本高， 而且维护效率低。
另一方面， 提出了用无线的方式进行车辆的组网监控的技术。 但是目前的 无线方案只解决了有线方案的线束安装问题， 同时却带来了如何正确确认拖车 身份的问题。 一般的， 采用无线方案后， 需要在更换拖车后， 进行更为专业的 身份对码操作， 如手工输入等方式， 以完成车辆的组网。 发明内容
本发明所要解决的技术问题是提供一种更加简化和灵活的汽车的自动组 网装置。
本发明为解决上述技术问题而采用的技术方案是提出一种汽车的自动组 网装置， 用于具有第一部件和可更换的第二部件的汽车， 该自动组网装置包括 设于第一部件上的第一身份识别模块和设于第二部件上的第二身份识别模块， 其中第一身份识别模块包括低频感应电路、 高频信号发射电路和控制器。 低频 感应电路能够感应一低频唤醒信号。 控制器连接低频感应电路及高频信号发射 电路， 并响应该低频唤醒信号而控制高频信号发射电路发送对应第一部件的身 份码。 第二身份识别模块低频信号发射电路、 高频信号接收电路和控制器。 低 频信号发射电路可发出该低频唤醒信号， 高频信号接收电路可接收前述高频信 号发射电路发送的身份码。 控制器连接低频信号发射电路及高频信号接收电 路， 用以启动低频信号发射电路， 并保存高频信号接收电路接收的身份码。
在上述的自动组网装置中， 上述第一部件为汽车的车头， 上述第二部件为 汽车的拖车。
在上述的自动组网装置中， 上述第二身份识别模块还包括高频信号发射电 路， 第二身份识别模块经上述高频信号接收电路接收从第二部件上采集的数 据， 将上述身份码加载到该数据， 并从该高频信号发射电路转发该数据。
在上述的自动组网装置中， 当上述汽车的第二部件连接至第一部件时由第 一部件供电， 且上述第二身份识别模块的电源线连接所述第二部件的供电线 路， 第二身份识别模块的控制器上电启动时判断上述第二部件连接至上述第一 部件而启动所述低频信号发射电路。
在上述的自动组网装置中， 上述第一身份识别模块还包括电池供电电路。 在上述的自动组网装置中， 上述第一身份识别模块位于所述第二身份识别 模块的低频信号覆盖范围内。
本发明由于采用以上技术方案，使之与现有技术相比，具有如下显著优点：
1、 采用低频唤醒进行自动对码， 使得监控过程完全自动化， 无需人为操 作， 用户使用时不需要很专业的操作， 减少人工对码可能存在的错误， 使用大 为简单、方便， 整个过程的自动化， 使得用户使用过程中的维护成本得以降低， 提高的车辆使用的效率。
2、 由于第一身份识别模块和第二身份识别模块之间在信号传输方面采用 的是无线连接方式， 安装起来大大简便， 同时减少了大量线束， 降低了硬件成 本和安装人力成本。 附图概述
本发明的特征、 性能由以下的实施例及其附图进一步描述。
图 1是汽车的自动组网装置一个实施例的结构图。
图 2是汽车的自动组网装置一个实施例的数据通讯流向图。
图 3是第一身份识别模块一个实施例的结构框图。
图 4是第二身份识别模块一个实施例的结构框图。
图 5是第一身份识别模块的示例性执行流程图。
图 6是第二身份识别模块的示例性执行流程图。
图 7是接收和显示模块示例性流程图。 本发明的最佳实施方式
图 1是汽车的自动组网装置一个实施例的结构图。 参照图 1所示， 自动组 网装置 200配置于包括车头 1 10和拖车 120的汽车 100环境中。 在其它实施例 中， 自动组网装置也可用于需要进行组网的包括第一部件和可更换的第二部件 的汽车。 自动组网装置 200包括第一身份识别模块 210和第二身份识别模块 220。 第一身份识别模块 210配置在车头 110上， 第二身份识别模块 220配置 在拖车 120。 另外， 在车头 1 10上配置了接收和显示装置 112。
图 2是汽车的自动组网装置一个实施例的数据通讯流向图。 概要地说， 第 一身份识别模块 210用以无线发送对应于本汽车车头 110的身份码。 无线发送 信号可选用高频信号。 第二身份识别模块 220用以转发拖车 120上的需要采集 的相关数据。 这些数据可由设于拖车 120的各个轮胎的温度压力传感器测量获 得， 经由有线或无线的方式传输给第二身份识别模块 220。 根据本发明的构思， 第一身份识别模块 210并不是持续地发送上述身份码， 而是等待触发条件。 可 以由第二身份识别模块 220通过信号触发第一身份识别模块 210。 在此， 无线 传输范围短 (可小于车身宽度）的低频信号因其可靠性高，可以作为唤醒信号 S。
第二身份识别模块 220在拖车 120连接到车头 110时执行上述触发， 以进 行组网。 尽管可由人工完成上述触发， 但在本发明的实施例中， 第二身份识别 模块 220可以通过某些信息判断拖车 120已连接到车头 1 10。 举例来说， 拖车 120上的电子部件通常由车头 110供电。各电子器件，如第二身份识别模块 220 的电源线连接到拖车 120的供电回路中而获得供电。 第二身份识别模块 220可 在上电启动时认为拖车 120已连接到车头 110， 从而进入组网模式， 发出低频 唤醒信号 S来唤醒第一身份识别模块 210。
第一身份识别模块 210进入组网信号发送模式后以高频的方式发出对应于 车头的身份码 ID， 该身份码被第二身份识别模块 220接收后保存。 从而第二身 份识别模块 220就可识别当前所连接的车头。
根据本发明的实施例， 第一身份识别模块和第二身份识别模块之间在组网 之前不需要预先存储对方的身份识别信息， 而是通过两者组网之后自动相互学 习对方的身份识别信息完成组网。
图 3是第一身份识别模块一个实施例的结构框图。 参照图 3所示， 第一身 份识别模块 210可包括控制器 21 1、 低频感应电路 212、 高频信号发射电路 213 以及电池供电电路 214。 控制器 211连接低频感应电路 212、 高频信号发射电 路 213及电池供电电路 214。 低频感应电路 212能够感应低频唤醒信号 S。 响 应于低频唤醒信号， 控制器 21 1使模块进入组网信号发送模式， 经高频信号发 射电路 213发送对应车头的身份码。第一身份识别模块 210因其显著的低功耗， 可以采用电池供电以避免繁琐线路的连接。
图 5是第一身份识别模块的示例性执行流程图。
图 4是第二身份识别模块一个实施例的结构框图。 参照图 4所示， 第二身 份识别模块 220可包括控制器 221、 低频信号发射电路 222、 高频信号发射电 路 223和高频信号接收电路 224。 控制器 221连接低频信号发射电路 222、 高 频信号发射电路 223和高频信号接收电路 224。 控制器 221连接到拖车的供电 线路 122， 在上电启动后， 认为其所在的拖车已经连接到车头， 因此进入组网 模式， 命令低频信号发射电路 222发出低频唤醒信号以唤醒第一身份识别模块 210。 当第一身份识别模块 210发出身份码后， 高频信号接收电路 224可接收 该身份码 ID， 并送入控制器 221保存， 然后控制器 221退出组网模式。
图 6是第二身份识别模块的示例性执行流程图。
在一个实施例中， 第二身份识别模块 220还经高频信号接收电路 224接收 从拖车上采集的数据。 然而可以理解， 有各种替代的方法可以实现这一目的， 例如第二身份识别模块 220仍可以经传统的有线方式或者其它类型的无线信号 来获得所采集的数据。 第二身份识别模块 220转发拖车数据时， 控制器 221会 将保存的车头身份码加载到这些数据，再经高频信号发射电路 223转发该数据。 安装在车头 110上的接收和显示装置 112收到第二身份识别模块 220转发 的数据时， 会提取车头身份码并与预存的身份码比较， 如果确认是本车的数据 则进行显示处理， 如果不是则丢弃。 图 7是接收和显示装置 112的示例性流程 图。
上述第一身份识别模块 210和第二身份识别模块 220的安装位置需要考虑 到无线信号的覆盖范围。 如第一身份识别模块 210应当位于第二身份识别模块 220的低频信号覆盖范围内。 第二身份识别模块 220应当设置成使其高频信号 能够覆盖接收和显示装置 112， 并且其被第一身份识别模块 210的高频信号所 覆盖。通常第一身份识别模块 210安装于车头靠近拖车的尾端，没有任何线束， 只需要固定即可。 第二身份识别模块 220在拖车的头端， 其安装只需要将其电 源线接入拖车部分的常火线即可， 也没有其他的线束， 安装十分方便。
本发明的上述实施例， 与现有技术相比， 具有如下显著优点：
1、 采用低频唤醒进行自动对码， 使得监控过程完全自动化， 无需人为操 作， 用户使用时不需要很专业的操作， 减少人工对码可能存在的错误， 使用大 为简单、方便， 整个过程的自动化， 使得用户使用过程中的维护成本得以降低， 提高的车辆使用的效率。
2、 由于第一身份识别模块和第二身份识别模块之间在信号传输方面采用 的是无线连接方式， 安装起来大大简便， 同时减少了大量线束， 降低了硬件成 本和安装人力成本。

Claims

权 利 要 求
1. 一种汽车的自动组网装置， 用于具有第一部件和可更换的第二部件的 汽车， 其特征在于， 所述自动组网装置包括设于所述第一部件上的第一身份识 别模块和设于所述第二部件上的第二身份识别模块， 其中：
所述第一身份识别模块包括：
能够感应一低频唤醒信号的低频感应电路；
高频信号发射电路； 以及
控制器， 连接该低频感应电路及该高频信号发射电路， 响应该低频感 应电路所感应到的低频唤醒信号进而控制该高频信号发射电路发送对应 第一部件的身份码；
所述第二身份识别模块包括：
发出低频唤醒信号的低频信号发射电路；
用于接收该高频信号发射电路发送的第一部件的身份码的高频信号 接收电路； 以及
控制器， 连接该低频信号发射电路及该高频信号接收电路， 用以启动 该低频信号发射电路， 并保存该高频信号接收电路接收的该第一部件的身 份码。
2. 如权利要求 1所述的汽车的自动组网装置， 其特征在于， 所述第一部 件为汽车的车头， 所述第二部件为汽车的拖车。
3. 如权利要求 1所述的汽车的自动组网装置， 其特征在于， 所述第二身 份识别模块还包括高频信号发射电路， 所述第二身份识别模块经所述高频信号 接收电路接收从该第二部件上采集的数据， 将所述第一部件的身份码加载到所 述数据， 并从所述高频信号发射电路转发该数据。
4. 如权利要求 1所述的汽车的自动组网装置， 其特征在于， 当所述汽车 的第二部件连接至第一部件时由第一部件供电， 且所述第二身份识别模块的电 源线连接所述第二部件的供电线路， 所述第二身份识别模块的控制器上电启动 时判断所述第二部件连接至所述第一部件而启动所述低频信号发射电路。
5. 如权利要求 1所述的汽车的自动组网装置， 其特征在于， 所述第一身 份识别模块还包括电池供电电路。
6. 如权利要求 1所述的汽车的自动组网装置， 其特征在于， 所述第一身 份识别模块位于所述第二身份识别模块的低频信号覆盖范围内
PCT/CN2010/078186 2010-03-31 2010-10-28 汽车的自动组网装置 WO2011120300A1 (zh)

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