CN102394340A

Movatterモバイル変換

Info

Publication number: CN102394340A
Application number: CN2011101814910A
Authority: CN
Inventors: 常久鹏; 龚元明; 钟凯; 余宜锴; 王巍; 张有
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2011-06-30
Filing date: 2011-06-30
Publication date: 2012-03-28
Anticipated expiration: 2031-06-30
Also published as: CN102394340B

Abstract

本发明公开了一种车用有源射频识别RFID天线调节装置、车用控制器及方法，该装置用于安装在车辆控制器的PCB电路板上，该装置包括：RFID阅读器、天线、天线转盘、转动轴和连接线，其中，RFID阅读器和天线设置在所述天线转盘上，所述天线转盘与所述转动轴连接，所述天线转盘通过所述转动轴带动所述RFID阅读器和天线进行转动，实现所述天线的方向调节；所述RFID阅读器通过所述连接线与所述PCB电路板连接，其中，所述RFID阅读器用于通过所述天线接收有源RFID标签发出的信号。本发明天线调节装置应用有源RFID电子标签，数据传输不会受到控制器安装方向的限制，天线调节装置可以根据接收信号强度信息进行天线调节，因此可以将天线调节到最佳接收方向上。

The invention discloses a vehicle active radio frequency identification RFID antenna adjustment device, a vehicle controller and a method. The device is used to be installed on the PCB circuit board of the vehicle controller, and the device includes: an RFID reader, an antenna, an antenna A turntable, a rotating shaft and a connection line, wherein the RFID reader and the antenna are arranged on the antenna turntable, the antenna turntable is connected to the rotating shaft, and the antenna turntable drives the RFID reader and the antenna through the rotating shaft The antenna is rotated to adjust the direction of the antenna; the RFID reader is connected to the PCB circuit board through the connecting line, wherein the RFID reader is used to receive the signal sent by the active RFID tag through the antenna . The antenna adjustment device of the present invention uses an active RFID electronic tag, and data transmission is not limited by the installation direction of the controller. The antenna adjustment device can adjust the antenna according to the received signal strength information, so the antenna can be adjusted to the best receiving direction.

Description

Translated fromChinese

车用有源RFID天线调节装置、车用控制器及方法Vehicle active RFID antenna adjustment device, vehicle controller and method

技术领域technical field

本申请涉及汽车电子通信技术领域，特别涉及车用有源RFID(RadioFrequency Identification，射频识别)天线调节装置、控制器及方法。The present application relates to the technical field of automotive electronic communication, in particular to a vehicle active RFID (Radio Frequency Identification, radio frequency identification) antenna adjustment device, controller and method.

背景技术Background technique

随着汽车技术的发展，将发动机、变速箱、驱动桥等集成在一起构成汽车动力总成系统。其中，采用电子标签实现对动力总成系统的信息识别、监控及管理等，以提升汽车动力总成系统的参数识别和信息化管理。With the development of automobile technology, the engine, gearbox, drive axle, etc. are integrated to form an automobile powertrain system. Among them, electronic tags are used to realize the information identification, monitoring and management of the powertrain system, so as to improve the parameter identification and information management of the automotive powertrain system.

现有技术，通常在汽车上安装无源电子标签，但是无源电子标签通常要求无覆盖传输，因此传输距离短、传输数据量少，且仅支持单向读取，因此难以对车辆信息进行有效获取和管理。In the existing technology, passive electronic tags are usually installed on cars, but passive electronic tags usually require no-coverage transmission, so the transmission distance is short, the amount of transmitted data is small, and only one-way reading is supported, so it is difficult to effectively carry out vehicle information. acquisition and management.

发明内容Contents of the invention

本申请实施例提供了一种车用有源RFID天线调节装置、车用控制器及方法，以解决现有采用无源电子标签难以对车辆信息进行有效获取和管理的问题。The embodiment of the present application provides a vehicle active RFID antenna adjustment device, a vehicle controller and a method to solve the problem that it is difficult to effectively obtain and manage vehicle information by using passive electronic tags.

为了解决上述技术问题，本申请实施例公开了如下技术方案：In order to solve the above technical problems, the embodiment of the present application discloses the following technical solutions:

一种车用有源射频识别RFID天线调节装置，所述装置用于安装在车辆控制器的PCB电路板上，所述装置包括：RFID阅读器、天线、天线转盘、转动轴和连接线，其中，A vehicle active radio frequency identification RFID antenna adjustment device, the device is used to be installed on the PCB circuit board of the vehicle controller, the device includes: RFID reader, antenna, antenna turntable, rotating shaft and connecting wire, wherein ,

RFID阅读器和天线设置在所述天线转盘上，所述天线转盘与所述转动轴连接，所述天线转盘通过所述转动轴带动所述RFID阅读器和天线进行转动，实现所述天线的方向调节；所述RFID阅读器通过所述连接线与所述PCB电路板连接，其中，所述RFID阅读器用于通过所述天线接收有源RFID标签发出的信号。The RFID reader and the antenna are arranged on the antenna turntable, the antenna turntable is connected to the rotation shaft, and the antenna turntable drives the RFID reader and the antenna to rotate through the rotation shaft to realize the direction of the antenna Adjustment; the RFID reader is connected to the PCB circuit board through the connecting line, wherein the RFID reader is used to receive the signal sent by the active RFID tag through the antenna.

所述天线与所述RFID阅读器集成一体。The antenna is integrated with the RFID reader.

所述连接线一端与所述RFID阅读器连接，另一端穿过所述转动轴内部的空腔与所述PCB电路板连接。One end of the connecting wire is connected to the RFID reader, and the other end is connected to the PCB circuit board through the cavity inside the rotating shaft.

一种车用控制器，包括：PCB电路板及前述的天线调节装置。A vehicle controller, comprising: a PCB circuit board and the aforementioned antenna adjustment device.

还包括：单片机，用于接收所述RFID阅读器发送的有源RFID标签发出信号的信号强度信息，并将所述信号强度信息传输给计算终端；其中，所述单片机通过数据接口电路与所述RFID阅读模块相连，并通过通信串口与所述计算终端相连。It also includes: a single-chip microcomputer, which is used to receive the signal strength information of the signal sent by the active RFID tag sent by the RFID reader, and transmit the signal strength information to the computing terminal; wherein, the single-chip microcomputer communicates with the said The RFID reading module is connected, and is connected with the computing terminal through the communication serial port.

一种车用有源RFID天线调节方法，所述方法应用于前述的车用控制器，所述方法包括：A method for adjusting an active RFID antenna for a vehicle, said method being applied to the aforementioned vehicle controller, said method comprising:

RFID阅读器通过天线接收有源RFID标签传输的信号；The RFID reader receives the signal transmitted by the active RFID tag through the antenna;

RFID阅读器将所述信号的信号强度信息传输到计算终端；the RFID reader transmits signal strength information of said signal to a computing terminal;

接收所述计算终端返回的所述信号强度信息是否满足预设条件的信息，当未满足预设条件时，调节所述天线的方向，直至所述信号强度信息满足所述预设条件。receiving information about whether the signal strength information returned by the computing terminal satisfies a preset condition, and when the preset condition is not met, adjusting the direction of the antenna until the signal strength information satisfies the preset condition.

所述RFID阅读器将所述信号的信号强度信息传输到计算终端包括：The RFID reader transmitting the signal strength information of the signal to the computing terminal includes:

所述RFID阅读器通过数据接口电路将所述信号强度信息传输给单片机；The RFID reader transmits the signal strength information to the single-chip microcomputer through the data interface circuit;

所述单片机通过通信串口将所述信号强度信息转发给所述计算终端。The single-chip microcomputer forwards the signal strength information to the computing terminal through the communication serial port.

所述接收计算终端返回的所述信号强度信息是否满足预设条件的信息包括：The information on whether the signal strength information returned by the receiving computing terminal satisfies preset conditions includes:

计算终端将所述信号强度信息是否满足预设条件的信息通过通信串口传输给单片机；The computing terminal transmits the information of whether the signal strength information satisfies the preset condition to the single-chip microcomputer through the communication serial port;

接收所述单片机通过数据接口电路转发的所述信号强度信息是否满足预设条件的信息。receiving information about whether the signal strength information forwarded by the single-chip microcomputer through the data interface circuit satisfies a preset condition.

所述满足预设条件包括：The meeting of preset conditions includes:

所述信号强度信息指示的信号强度值超过预设阈值；或者，The signal strength value indicated by the signal strength information exceeds a preset threshold; or,

所述信号强度信息指示的信号强度值为已获得的最大信号强度值。The signal strength value indicated by the signal strength information is the obtained maximum signal strength value.

还包括：当满足所述预设条件时，保持所述天线的当前方向。It also includes: when the preset condition is met, maintaining the current direction of the antenna.

由上述实施例可以看出，本申请实施例中的车用有源射频识别RFID天线调节装置安装在车辆控制器的PCB电路板上，该装置包括RFID阅读器、天线、天线转盘、转动轴和连接线，RFID阅读器和天线设置在所述天线转盘上，所述天线转盘与所述转动轴连接，所述天线转盘通过所述转动轴带动所述RFID阅读器和天线进行转动，实现所述天线的方向调节；所述RFID阅读器通过所述连接线与所述PCB电路板连接，其中，所述RFID阅读器用于通过所述天线接收有源RFID标签发出的信号。本申请实施例的天线调节装置应用有源RFID电子标签，因此传输距离远，传输数据量多，且可以满足在有覆盖的汽车室内进行数据的双向传输和读写，数据传输不会受到控制器安装方向的限制；由于天线调节装置可以根据接收信号强度信息进行天线调节，因此可以将天线调节到最佳接收方向上。As can be seen from the foregoing embodiments, the vehicle active radio frequency identification RFID antenna adjustment device in the embodiment of the present application is installed on the PCB circuit board of the vehicle controller, and the device includes an RFID reader, an antenna, an antenna turntable, a rotating shaft and The connection line, the RFID reader and the antenna are arranged on the antenna turntable, the antenna turntable is connected to the rotation shaft, and the antenna turntable drives the RFID reader and the antenna to rotate through the rotation shaft to realize the The direction of the antenna is adjusted; the RFID reader is connected to the PCB circuit board through the connecting line, wherein the RFID reader is used to receive the signal sent by the active RFID tag through the antenna. The antenna adjustment device of the embodiment of the present application uses an active RFID electronic tag, so the transmission distance is long, the transmission data volume is large, and it can meet the two-way transmission and reading and writing of data in the covered car room, and the data transmission will not be affected by the controller. Restrictions on the installation direction; since the antenna adjustment device can adjust the antenna according to the received signal strength information, the antenna can be adjusted to the best receiving direction.

附图说明Description of drawings

为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings without paying creative labor.

图1为本申请车用有源RFID天线调节装置的第一实施例示意图；Fig. 1 is the schematic diagram of the first embodiment of the vehicle active RFID antenna adjustment device of the present application;

图2为本申请车用有源RFID天线调节装置的第二实施例示意图；Fig. 2 is the schematic diagram of the second embodiment of the vehicle active RFID antenna adjustment device of the present application;

图3为本申请车用控制器的第一实施例示意图；Fig. 3 is a schematic diagram of the first embodiment of the vehicle controller of the present application;

图4为本申请车用控制器的第二实施例示意图；FIG. 4 is a schematic diagram of a second embodiment of the vehicle controller of the present application;

图5为本申请车用有源RFID天线调节方法的实施例流程图。Fig. 5 is a flow chart of an embodiment of a method for adjusting an active RFID antenna for a vehicle according to the present application.

具体实施方式Detailed ways

本发明如下实施例提供了一种车用有源RFID天线调节装置、车用控制器及方法。The following embodiments of the present invention provide a vehicle active RFID antenna adjustment device, a vehicle controller and a method.

本申请实施例在实现车用有源RFID天线调节时，采用有源RFID标签，该标签通常由耦合元件及芯片组成，每个标签具有唯一的电子编码，附着在物体上标识目标对象。有源RFID电子标签具有传输距离远，能够满足车辆中覆盖条件下的数据传输的特点，相对于无源RFID电子标签，传输的数据量大，且不受车用控制器安装方向的限制。In this embodiment of the application, an active RFID tag is used to realize the adjustment of the active RFID antenna for vehicles. The tag is usually composed of a coupling element and a chip. Each tag has a unique electronic code and is attached to the object to identify the target object. Active RFID electronic tags have the characteristics of long transmission distance and can meet the characteristics of data transmission under vehicle coverage conditions. Compared with passive RFID electronic tags, the amount of transmitted data is large, and it is not limited by the installation direction of the vehicle controller.

为了使本技术领域的人员更好地理解本发明实施例中的技术方案，并使本发明实施例的上述目的、特征和优点能够更加明显易懂，下面结合附图对本发明实施例中技术方案作进一步详细的说明。In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.

参见图1，为本申请车用有源RFID天线调节装置的第一实施例示意图，该实施例示出了车用有源RFID天线调节装置的侧视图：Referring to Fig. 1, it is a schematic diagram of the first embodiment of the vehicle active RFID antenna adjustment device of the present application, which embodiment shows a side view of the vehicle active RFID antenna adjustment device:

所述装置包括：RFID阅读器110、天线120、天线转盘130、转动轴140和连接线150。其中，天线120与RFID阅读器110集成一体，因此图1中未单独示出天线120，而是通过标号110(120)表示二者集成一体。The device includes: anRFID reader 110 , anantenna 120 , anantenna turntable 130 , a rotatingshaft 140 and a connectingwire 150 . Wherein, theantenna 120 is integrated with theRFID reader 110, so theantenna 120 is not shown separately in FIG. 1 , but is represented by a reference number 110 (120).

其中，RFID阅读器110和天线120设置在天线转盘130上，天线转盘130与转动轴140连接，天线转盘通过转动轴140带动述RFID阅读器110和天线120进行转动，实现天线120在360度范围内的方向调节；RFID阅读器110通过连接线150与车用控制器的PCB电路板连接，其中，RFID阅读器110用于通过天线120接收有源RFID标签发出的信号。Among them, theRFID reader 110 and theantenna 120 are arranged on theantenna turntable 130, theantenna turntable 130 is connected with therotation shaft 140, and the antenna turntable drives theRFID reader 110 and theantenna 120 to rotate through therotation shaft 140, so that theantenna 120 can be rotated within a range of 360 degrees. Internal direction adjustment; theRFID reader 110 is connected to the PCB circuit board of the vehicle controller through theconnection line 150, wherein theRFID reader 110 is used to receive the signal sent by the active RFID tag through theantenna 120.

图1中，连接线150一端与RFID阅读器110连接，另一端穿过转动轴140内部的空腔与PCB(Printed Circuit Board，印刷电路板)电路板连接。转动轴140的空腔设计可以简化整个天线调节装置的结构。In FIG. 1 , one end of the connectingwire 150 is connected to theRFID reader 110 , and the other end passes through the cavity inside the rotatingshaft 140 and is connected to a PCB (Printed Circuit Board, printed circuit board) circuit board. The cavity design of the rotatingshaft 140 can simplify the structure of the whole antenna adjusting device.

参见图2，为本申请车用有源RFID天线调节装置的第二实施例示意图，该实施例示出了车用有源RFID天线调节装置的俯视图：Referring to Fig. 2, it is a schematic diagram of the second embodiment of the vehicle active RFID antenna adjustment device of the present application, which embodiment shows a top view of the vehicle active RFID antenna adjustment device:

在图2示出的俯视方向上，包括RFID阅读器110和与其集成一体的天线120，天线转盘130和转动轴140。RFID阅读器110和天线120设置在天线转盘130上，天线转盘130与转动轴140连接，天线转盘通过转动轴140带动述RFID阅读器110和天线120进行转动，实现天线120在360度范围内的方向调节。In the top view direction shown in FIG. 2 , it includes anRFID reader 110 and anantenna 120 integrated therewith, anantenna turntable 130 and arotation shaft 140 . TheRFID reader 110 and theantenna 120 are arranged on theantenna turntable 130, theantenna turntable 130 is connected with the rotatingshaft 140, and the antenna turntable drives theRFID reader 110 and theantenna 120 to rotate through therotating shaft 140, so as to realize the rotation of theantenna 120 within the range of 360 degrees. direction adjustment.

由上述实施例可见，天线调节装置应用有源RFID电子标签，因此传输距离远，传输数据量多，且可以满足在有覆盖的汽车室内进行数据的双向传输和读写，数据传输不会受到控制器安装方向的限制；由于天线调节装置可以根据接收信号强度信息进行天线调节，因此可以将天线调节到最佳接收方向上。It can be seen from the above embodiments that the antenna adjustment device uses an active RFID electronic tag, so the transmission distance is long, the transmission data volume is large, and it can meet the two-way transmission and reading and writing of data in the covered car room, and the data transmission will not be controlled. The installation direction of the receiver is limited; since the antenna adjustment device can adjust the antenna according to the received signal strength information, the antenna can be adjusted to the best receiving direction.

参见图3，为本申请车用控制器的第一实施例示意图，该车用控制器包括前述实施例中的车用有源射频识别RFID天线调节装置。Referring to FIG. 3 , it is a schematic diagram of the first embodiment of the vehicle controller of the present application, and the vehicle controller includes the vehicle active radio frequency identification RFID antenna adjustment device in the foregoing embodiments.

图3中，以整体方式示出了车用有源射频识别RFID天线调节装置310和PCB电路板320。In FIG. 3 , a vehicle active radio frequency identification RFIDantenna adjustment device 310 and aPCB circuit board 320 are shown as a whole.

其中，车用有源射频识别RFID天线调节装置310可以具体包括RFID阅读器、天线、天线转盘、转动轴和连接线。RFID阅读器和天线设置在天线转盘上，天线转盘与转动轴连接，天线转盘通过转动轴带动述RFID阅读器和天线进行转动，实现天线在度范围内的方向调节；RFID阅读器通过连接线与车用控制器的PCB电路板连接，其中，RFID阅读器用于通过天线接收有源RFID标签发出的信号。其中，连接线一端与RFID阅读器连接，另一端穿过转动轴内部的空腔与PCB电路板320连接。Wherein, the vehicle active radio frequency identification RFIDantenna adjusting device 310 may specifically include an RFID reader, an antenna, an antenna turntable, a rotating shaft and a connecting wire. The RFID reader and the antenna are arranged on the antenna turntable, and the antenna turntable is connected with the rotating shaft, and the antenna turntable drives the RFID reader and the antenna to rotate through the rotating shaft, so as to realize the direction adjustment of the antenna within a degree range; the RFID reader communicates with the The PCB circuit board connection of the vehicle controller, where the RFID reader is used to receive the signal from the active RFID tag through the antenna. Wherein, one end of the connecting wire is connected to the RFID reader, and the other end is connected to thePCB circuit board 320 through the cavity inside the rotating shaft.

参见图4，为本申请车用控制器的第二实施例示意图，该车用控制器包括前述实施例中的车用有源射频识别RFID天线调节装置。Referring to FIG. 4 , it is a schematic diagram of the second embodiment of the vehicle controller of the present application, and the vehicle controller includes the vehicle active radio frequency identification RFID antenna adjustment device in the foregoing embodiments.

图4中，以整体方式示出了车用有源射频识别RFID天线调节装置310和PCB电路板320，进一步，还包括单片机330、数据接口电路331和332。In FIG. 4 , a vehicle active radio frequency identification RFIDantenna adjustment device 310 and aPCB circuit board 320 are shown as a whole, further comprising a single-chip microcomputer 330 and data interfacecircuits 331 and 332 .

单片机330用于接收RFID阅读器发送的有源RFID标签发出信号的信号强度信息，并将信号强度信息传输给计算终端；其中，单片机330通过数据接口电路331与RFID阅读模块相连，并通过通信串口332与计算终端相连。The single-chip microcomputer 330 is used to receive the signal strength information of the active RFID tag sent by the RFID reader, and transmit the signal strength information to the computing terminal; wherein, the single-chip microcomputer 330 is connected with the RFID reading module through thedata interface circuit 331, and through the communicationserial port 332 is connected to the computing terminal.

与前述车用有源射频识别RFID天线调节装置和车用控制器的实施例相对应，本申请还提供了车用有源RFID天线调节方法的实施例，该方法应用于前述车用控制器内。Corresponding to the aforementioned embodiment of the vehicle active radio frequency identification RFID antenna adjustment device and the vehicle controller, the present application also provides an embodiment of the vehicle active RFID antenna adjustment method, which is applied to the aforementioned vehicle controller .

参见图5，为本申请车用有源RFID天线调节方法的实施例流程图：Referring to Fig. 5, it is a flow chart of an embodiment of the vehicle active RFID antenna adjustment method of the present application:

步骤501：RFID阅读器通过天线接收有源RFID标签传输的信号。Step 501: The RFID reader receives the signal transmitted by the active RFID tag through the antenna.

本实施例中，天线与RFID阅读器集成一体，有源RFID标签可以安装在车辆内部，其具有传输距离远，能够满足车辆中覆盖条件下的数据传输的特点，相对于无源RFID电子标签，传输的数据量大，且不受车用控制器安装方向的限制。有源RFID发出的射频信号经天线接收后，由RFID阅读器获得。In this embodiment, the antenna is integrated with the RFID reader, and the active RFID tag can be installed inside the vehicle, which has a long transmission distance and can meet the characteristics of data transmission under coverage conditions in the vehicle. Compared with the passive RFID electronic tag, The amount of data transmitted is large, and it is not limited by the installation direction of the vehicle controller. After the radio frequency signal sent by the active RFID is received by the antenna, it is obtained by the RFID reader.

步骤502：RFID阅读器将信号的信号强度信息传输到计算终端。Step 502: The RFID reader transmits the signal strength information of the signal to the computing terminal.

具体的，RFID阅读器通过数据接口电路将信号强度信息传输给单片机，单片机通过通信串口将信号强度信息转发给计算终端。Specifically, the RFID reader transmits the signal strength information to the single-chip microcomputer through the data interface circuit, and the single-chip computer forwards the signal strength information to the computing terminal through the communication serial port.

步骤503：接收计算终端返回的信号强度信息是否满足预设条件的信息，当未满足预设条件时，调节天线的方向，直至信号强度信息满足该预设条件。Step 503: Receive and calculate whether the signal strength information returned by the terminal satisfies the preset condition. If the preset condition is not met, adjust the direction of the antenna until the signal strength information meets the preset condition.

具体的，计算终端将信号强度信息是否满足预设条件的信息通过通信串口传输给单片机，接收单片机通过数据接口电路转发的信号强度信息是否满足预设条件的信息。Specifically, the computing terminal transmits the information on whether the signal strength information satisfies the preset condition to the single-chip microcomputer through the communication serial port, and receives the information on whether the signal strength information forwarded by the single-chip computer through the data interface circuit meets the preset condition.

其中，预设条件可以包括：信号强度信息指示的信号强度值超过预设阈值；或者，信号强度信息指示的信号强度值为已获得的最大信号强度值。例如，预设信号强度应满足的阈值为70％，则对于接收到的信号强度信息，如果其指示的信号强度大于70％，则满足该阈值，保持当前天线的调节方向即可，如果其指示的信号强度小于70％，则转动天线转盘，对天线方向进行调节，重新返回步骤501执行接收有源RFID标签传输的信号的步骤，并重复对该信号的信号强度值是否满足预设条件的判断，直到某一次调节天线后，信号强度值大于70％。Wherein, the preset condition may include: the signal strength value indicated by the signal strength information exceeds a preset threshold; or, the signal strength value indicated by the signal strength information is the obtained maximum signal strength value. For example, the preset threshold that the signal strength should meet is 70%, then for the received signal strength information, if the signal strength indicated by it is greater than 70%, then the threshold is satisfied, and the current adjustment direction of the antenna can be kept, if it indicates If the signal strength of the active RFID tag is less than 70%, turn the antenna turntable to adjust the antenna direction, return to step 501 to perform the step of receiving the signal transmitted by the active RFID tag, and repeat the judgment of whether the signal strength value of the signal meets the preset condition , until a certain time after adjusting the antenna, the signal strength value is greater than 70%.

进一步，当满足预设条件时，保持天线的当前方向，说明对该天线的调节完毕，其可以接收到的有源RFID电子标签发出信号的信号强度达到最优。Further, when the preset condition is satisfied, the current direction of the antenna is maintained, indicating that the adjustment of the antenna is completed, and the signal strength of the signal sent by the active RFID electronic tag that it can receive reaches the optimum.

通过对以上实施方式的描述可知，本申请实施例中的车用有源射频识别RFID天线调节装置安装在车辆控制器的PCB电路板上，该装置包括RFID阅读器、天线、天线转盘、转动轴和连接线，RFID阅读器和天线设置在所述天线转盘上，所述天线转盘与所述转动轴连接，所述天线转盘通过所述转动轴带动所述RFID阅读器和天线进行转动，实现所述天线的方向调节；所述RFID阅读器通过所述连接线与所述PCB电路板连接，其中，所述RFID阅读器用于通过所述天线接收有源RFID标签发出的信号。本申请实施例的天线调节装置应用有源RFID电子标签，因此传输距离远，传输数据量多，且可以满足在有覆盖的汽车室内进行数据的双向传输和读写，数据传输不会受到控制器安装方向的限制；由于天线调节装置可以根据接收信号强度信息进行天线调节，因此可以将天线调节到最佳接收方向上。It can be seen from the description of the above embodiments that the vehicle active radio frequency identification RFID antenna adjustment device in the embodiment of the present application is installed on the PCB circuit board of the vehicle controller, and the device includes an RFID reader, an antenna, an antenna turntable, and a rotating shaft and connecting wires, the RFID reader and the antenna are arranged on the antenna turntable, the antenna turntable is connected to the rotation shaft, and the antenna turntable drives the RFID reader and the antenna to rotate through the rotation shaft to realize the The direction adjustment of the antenna; the RFID reader is connected to the PCB circuit board through the connecting line, wherein the RFID reader is used to receive the signal sent by the active RFID tag through the antenna. The antenna adjustment device of the embodiment of the present application uses an active RFID electronic tag, so the transmission distance is long, the transmission data volume is large, and it can meet the two-way transmission and reading and writing of data in the covered car room, and the data transmission will not be affected by the controller. Restrictions on the installation direction; since the antenna adjustment device can adjust the antenna according to the received signal strength information, the antenna can be adjusted to the best receiving direction.

本领域的技术人员可以清楚地了解到本发明实施例中的技术可借助软件加必需的通用硬件平台的方式来实现。基于这样的理解，本发明实施例中的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例或者实施例的某些部分所述的方法。Those skilled in the art can clearly understand that the technologies in the embodiments of the present invention can be implemented by means of software plus a necessary general-purpose hardware platform. Based on this understanding, the essence of the technical solutions in the embodiments of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in storage media, such as ROM/RAM , magnetic disk, optical disk, etc., including several instructions to enable a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in various embodiments or some parts of the embodiments of the present invention.

本说明书中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。尤其，对于系统实施例而言，由于其基本相似于方法实施例，所以描述的比较简单，相关之处参见方法实施例的部分说明即可。Each embodiment in this specification is described in a progressive manner, the same and similar parts of each embodiment can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for relevant parts, refer to part of the description of the method embodiment.

以上所述的本发明实施方式，并不构成对本发明保护范围的限定。任何在本发明的精神和原则之内所作的修改、等同替换和改进等，均应包含在本发明的保护范围之内。The embodiments of the present invention described above are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.