WO2016082612A1 - 一种蓝牙通讯盒以及数据通信的方法 - Google Patents

一种蓝牙通讯盒以及数据通信的方法 Download PDF

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Publication number
WO2016082612A1
WO2016082612A1 PCT/CN2015/090266 CN2015090266W WO2016082612A1 WO 2016082612 A1 WO2016082612 A1 WO 2016082612A1 CN 2015090266 W CN2015090266 W CN 2015090266W WO 2016082612 A1 WO2016082612 A1 WO 2016082612A1
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module
communication
bluetooth
usb interface
power
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PCT/CN2015/090266
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English (en)
French (fr)
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胡华智
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广州亿航智能技术有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
    • H04B5/48—Transceivers

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  • the present invention relates to the field of communications technologies, and in particular, to a Bluetooth communication box and a method for data communication.
  • the control of the drone includes real-time control via the remote control and control of the control commands via the wireless link via the ground station system.
  • the latter does not require the controller to have the skills of remote flight, and the operation is simple, can achieve over-the-horizon flight, and is suitable for performing repetitive work.
  • the drone when the drone is controlled by the ground station system, it is necessary to establish a stable, reliable wireless link with sufficient communication radius between the two.
  • the data transmission module In the industrial application or military field, the data transmission module has strong performance in transmitting data, but the volume is large and the power consumption is large.
  • the ground station needs to connect a dedicated digital transmission module and a high-power antenna, which is inconvenient to carry.
  • Bluetooth or Wifi (such as AR.Drone) built in the mobile phone is generally used to establish communication with the drone, and the operation is simple, but the communication radius is too small. .
  • a solution that combines the advantages of both is to connect a Bluetooth module to the ground end of the data transmission module, and the mobile phone or the ground station transmits data to the ground end of the data transmission module via Bluetooth communication and forwards it to the drone, which makes the mobile phone Or the ground station does not have to be connected to the data transmission module by wire, which is convenient for operation, but makes the ground end of the data transmission module more complicated.
  • an object of the present invention is to provide an integrated miniaturized Bluetooth communication box and a method of data communication.
  • a Bluetooth communication box includes a communication module, a Bluetooth module, a USB interface module, and an analog switch conversion module; the communication module is configured to perform data communication with an external device; the Bluetooth module is configured to perform data communication with the communication terminal and the communication module The USB interface module is used for communication with a communication terminal The communication module performs data communication; the analog switch conversion module is configured to select a data communication mode according to a USB connection state of the USB interface module.
  • the Bluetooth communication box further includes a power module, and the power module is configured to supply power to the communication module and the Bluetooth module.
  • the power module includes a power management chip, a rechargeable battery, and a low dropout linear stabilizer; the power management chip is configured to charge the rechargeable battery when detecting that the USB interface module has USB access, and simultaneously pass the low voltage
  • a differential linear stabilizer reduces the voltage of the rechargeable battery to 3.3V to power the communication module and the Bluetooth module.
  • the power module further includes a mode selection button, when the power management chip does not detect the USB access, and the power management chip raises the voltage of the rechargeable battery to 5V when the mode selection button is pressed, and then passes the low dropout linearity.
  • the stabilizer reduces the voltage to 3.3V to power the communication module and the Bluetooth module.
  • the power module further includes a power display indicator for displaying the current power after the mode selection button is pressed.
  • the USB interface module includes a USB to serial port module and a USB interface
  • the USB to serial port module is configured to convert a control signal transmitted through the USB interface into a serial port TTL signal.
  • the communication module further includes a communication antenna
  • the Bluetooth module further includes a Bluetooth antenna
  • the communication module is a 433 MHz communication module.
  • the present invention also provides a method for data communication using the above Bluetooth communication box, the method comprising:
  • the communication terminal After the communication terminal is connected to the Bluetooth communication box through the USB interface module, the communication terminal passes the communication.
  • the module implements data communication with the external device
  • the communication terminal implements data communication with the external device through the communication module.
  • the Bluetooth communication box of the invention comprises a communication module, a Bluetooth module, a USB interface module and an analog switch conversion module; the communication module is used for data communication with an external device; the Bluetooth module is used for data communication with the communication terminal and the communication module; The module is used for data communication with the communication terminal and the communication module; the analog switch conversion module is configured to select a data communication mode according to the USB connection state of the USB interface module.
  • the Bluetooth communication box of the invention integrates the communication module and the Bluetooth module, takes up small space and is convenient to carry, and integrates the USB interface module and the analog switch conversion module, and can realize the module through the Bluetooth module or the USB interface.
  • the two data communication methods communicate with external devices.
  • FIG. 1 is a block schematic diagram of a Bluetooth communication box according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a data communication method according to an embodiment of the present invention.
  • the Bluetooth communication box includes a communication module, a Bluetooth module, a USB interface module, and an analog switch conversion module; the communication module is configured to perform data communication with an external device;
  • the Bluetooth module is used for data communication with the communication terminal and the communication module;
  • the USB interface module is used for data communication with the communication terminal and the communication module;
  • the analog switch conversion module is used for selecting the data communication mode according to the USB connection state of the USB interface module.
  • the communication module adopts a 433 MHz communication module, and the working frequency segment is between 433050 kHz and 434790 KHz.
  • the communication module further includes a communication antenna, and the 433 MHz antenna is used to receive the communication signal, and the communication module can realize the wireless to serial port TTL.
  • the equipment mainly refers to the unmanned aerial vehicle.
  • the communication module and the unmanned aerial vehicle can communicate in real time, stably and long distance, and the communication distance can reach 1 km.
  • the Bluetooth module operates at 2.4GHz.
  • the Bluetooth module also includes a Bluetooth antenna.
  • the USB interface module includes a USB to serial port module and a USB interface.
  • the USB to serial port module is used to convert a control signal transmitted through the USB interface into a serial port TTL signal, thereby realizing a full-duplex, transparent transmission working mode, and selecting through an analog switch conversion module.
  • the transmission direction of the communication data when the USB is plugged in, realizes the communication between the communication module and the USB; when the USB is disconnected, the communication between the communication module and the Bluetooth module is realized.
  • the Bluetooth communication box further includes a power module, and the power module is used to supply power to the communication module and the Bluetooth module.
  • the power module includes a power management chip, a rechargeable battery (a 3.3V-4.2V lithium battery in the present invention), and a low dropout regulator (LDO); the power management chip is used to detect that the USB interface module has a USB
  • the rechargeable battery is charged during charging (standard input voltage is 5V), and the voltage of the rechargeable battery is reduced to 3.3V by the low-dropout linear stabilizer to power the communication module and the Bluetooth module.
  • the power module further includes a mode selection button. After the mode selection button is pressed, the Bluetooth communication box is turned on, the power indicator is turned on, and when the power management chip does not detect the USB access, the power management chip will charge the battery. The voltage rises to 5V, and the voltage is reduced to 3.3V through the low-dropout linear stabilizer to power the communication module and the Bluetooth module.
  • the power module further includes a power display indicator for displaying the current power after the mode selection button is pressed, and the light is fully illuminated when the mode is fully charged, and the power indicator is automatically turned off after 5 seconds. During the charging process of the rechargeable battery, the battery indicator light flashes and the display is in the charging state. When the rechargeable battery reaches 4.2V, the battery indicator is fully illuminated, indicating that the battery voltage is full.
  • FIG. 2 is a flowchart of a method for applying data communication by using the above-mentioned Bluetooth communication box according to an embodiment of the present invention, which is described in detail as follows:
  • step S101 detecting the power management chip for detecting whether USB has USB access, if yes, executing step S102, otherwise performing step S104;
  • step S102 through the USB interface module and the communication module for data communication, continue to step S103;
  • step S103 after the communication terminal is connected to the Bluetooth communication box through the USB interface module, the communication terminal realizes data communication with the external device through the communication module;
  • step S104 communicating with the communication module through the Bluetooth module, proceeding to step S105;
  • step S105 after the communication terminal is connected to the Bluetooth module, the communication terminal implements data communication with the external device through the communication module.
  • the communication terminal can be connected to the Bluetooth communication box through the USB interface module, and realize data communication with the external device through the communication module.
  • the corresponding software can be installed on the computer to realize the computer and the
  • the communication between the human aircraft can also be connected to the Bluetooth module through the terminal, and the data communication with the external device is realized through the communication module.
  • the corresponding APP software on the mobile phone can realize the data communication with the unmanned aerial vehicle. .
  • the bluetooth communication box of the invention integrates the communication module and the bluetooth module, takes up small space and is convenient to carry, and integrates the USB interface module and the analog switch conversion module, and can realize two data communication modes through the bluetooth module or the USB interface module.
  • the external device performs data communication.

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Abstract

涉及通讯技术领域，尤其涉及一种蓝牙通讯盒以及数据通信的方法，蓝牙通讯盒包括通信模块、蓝牙模块、USB接口模块以及模拟开关转换模块；通信模块用于与外部设备进行数据通信；蓝牙模块用于与通信终端以及通信模块进行数据通信；USB接口模块用于与通信终端以及通信模块进行数据通信；模拟开关转换模块用于根据USB接口模块的USB连接状态选择数据通信方式。蓝牙通讯盒将通信模块与蓝牙模块集成在一起，占用空间小，方便携带，同时集成USB接口模块与模拟开关转换模块，可以实现通过蓝牙模块或USB接口模块的两种数据通信方式与外部设备进行数据通信。

Description

一种蓝牙通讯盒以及数据通信的方法 技术领域
本发明涉及通讯技术领域，尤其涉及一种蓝牙通讯盒以及数据通信的方法。
背景技术
对无人机的操控方式包括通过遥控器进行实时的控制和通过地面站系统经由无线链路将控制指令来控制。其中，后者不要求操控者具备遥控飞行的技能，且操作简便，可以实现超视距飞行，适合执行重复性的工作。
但通过地面站系统对无人机进行控制时，需要在两者之间建立稳定、可靠、有足够通信半径的无线链路。在行业应用或军用领域中，数传模块传输数据性能较强，但体积大、功耗大，地面站需要连接专用的数传模块和大功率天线，携带不方便。在个人应用或消费类电子市场中，当使用手机作为操控平台时，一般使用手机内置的蓝牙或Wifi(例如AR.Drone)建立与无人机之间的通讯，操作简便，但通信半径过小。
一种兼具两者优点的解决方案是，将一个蓝牙模块连接至数传模块地面端，手机或地面站通过蓝牙通信将数据发送至数传模块地面端并转发至无人机，这使得手机或地面站不必通过有线方式连接至数传模块，方便操作，但会使得数传模块地面端变得更复杂。
发明内容
针对上述问题，本发明的目的在于提供一种集成小型化的蓝牙通讯盒以及数据通信的方法。
一种蓝牙通讯盒，包括通信模块、蓝牙模块、USB接口模块以及模拟开关转换模块；所述通信模块用于与外部设备进行数据通信；所述蓝牙模块用于与通信终端以及通信模块进行数据通信；所述USB接口模块用于与通信终端以及 通信模块进行数据通信；所述模拟开关转换模块用于根据USB接口模块的USB连接状态选择数据通信方式。
优选的，所述蓝牙通讯盒还包括电源模块，所述电源模块用于给所述通信模块以及蓝牙模块供电。
优选的，所述电源模块包括电源管理芯片、可充电电池以及低压差线性稳定器；所述电源管理芯片用于当检测到USB接口模块有USB接入时对可充电电池进行充电、同时通过低压差线性稳定器将所述可充电电池的电压降至3.3V为通信模块以及蓝牙模块供电。
优选的，所述电源模块还包括模式选择按钮，用于当电源管理芯片没有检测到USB接入，模式选择按钮按下时电源管理芯片将可充电电池的电压升至5V，再通过低压差线性稳定器将电压降至3.3V为通信模块、蓝牙模块供电。
优选的，所述电源模块还包括电量显示指示灯，用于在模式选择按钮被按下后显示当前电量。
优选的，所述USB接口模块包括USB转串口模块以及USB接口，所述USB转串口模块用于将通过USB接口传输来的控制信号转换为串口TTL信号。
优选的，所述通信模块还包括通信天线，所述蓝牙模块还包括蓝牙天线。
优选的，所述通信模块为433MHz通信模块。
本发明还提供一种应用上述蓝牙通讯盒进行数据通信的方法，所述方法包括：
检测USB接口模块是否有USB接入，是则通过USB接口模块与通信模块进行数据通信，当通信终端通过所述USB接口模块与所述蓝牙通讯盒连接后，则所述通信终端通过所述通信模块实现与所述外部设备的数据通信；
否则通过蓝牙模块与通信模块进行通信，当通信终端与所述蓝牙模块连接 后，所述通信终端通过所述通信模块实现与所述外部设备的数据通信。
本发明的蓝牙通讯盒，包括通信模块、蓝牙模块、USB接口模块以及模拟开关转换模块；通信模块用于与外部设备进行数据通信；蓝牙模块用于与通信终端以及通信模块进行数据通信；USB接口模块用于与通信终端以及通信模块进行数据通信；模拟开关转换模块用于根据USB接口模块的USB连接状态选择数据通信方式。与现有技术相比，本发明的蓝牙通讯盒将通信模块与蓝牙模块集成在一起，占用空间小，方便携带，同时集成USB接口模块与模拟开关转换模块，可以实现通过蓝牙模块或USB接口模块的两种数据通信方式与外部设备进行数据通信。
附图说明
图1是本发明实施例提供的蓝牙通讯盒的方框原理图。
图2是本发明实施例提供的数据通信方法流程图。
具体实施方式
参见图1-2，以下结合附图对本发明进行详细的描述。
图1示出了本发明实施例提供的蓝牙通讯盒的方框原理图，蓝牙通讯盒包括通信模块、蓝牙模块、USB接口模块以及模拟开关转换模块；通信模块用于与外部设备进行数据通信；蓝牙模块用于与通信终端以及通信模块进行数据通信；USB接口模块用于与通信终端以及通信模块进行数据通信；模拟开关转换模块用于根据USB接口模块的USB连接状态选择数据通信方式。
在本发明实施例中，通信模块采用433MHz通信模块，工作频率段在433050kHz到434790KHz之间，通信模块还包括通信天线，采用433MHz天线，接收通信信号，与通信模块可以实现无线转串口TTL，全双工、透明传输工作模式，且拥有唯一独立的网络ID，来与外部设备进行唯一配对，在本发明中外 部设备主要是指无人飞行器，通信模块与无人飞行器之间能够实时、稳定、长距离通信，通信距离可达1公里。蓝牙模块工作频率为2.4GHz，蓝牙模块还包括蓝牙天线，采用2.4G蓝牙天线，接收蓝牙信号，实现蓝牙转串口TTL，全双工、透明传输工作模式，可与Android系统的蓝牙2.0或iOS系统的蓝牙4.0连接，实现蓝牙模块与通信终端(本发明中通信终端采用手机)之间实时稳定的通信。USB接口模块包括USB转串口模块以及USB接口，USB转串口模块用于将通过USB接口传输来的控制信号转换为串口TTL信号，实现全双工、透明传输工作模式，通过模拟开关转换模块来选择通信数据的传输方向，插上USB时，实现数据在通信模块与USB之间的通信；断开USB时，实现数据在通信模块与蓝牙模块之间的通信。
在本发明实施例中，蓝牙通讯盒还包括电源模块，电源模块用于给通信模块以及蓝牙模块供电。电源模块包括电源管理芯片、可充电电池(本发明中采用3.3V-4.2V锂电池)以及低压差线性稳定器(LDO，low dropout regulator)；电源管理芯片用于当检测到USB接口模块有USB接入时对可充电电池进行充电(标准输入电压为5V)、同时通过低压差线性稳定器将可充电电池的电压降至3.3V为通信模块以及蓝牙模块供电。
在本发明实施例中，电源模块还包括模式选择按钮，按下模式选择按钮后，蓝牙通讯盒开机，电源指示灯亮，当电源管理芯片没有检测到USB接入，电源管理芯片将可充电电池的电压升至5V，再通过低压差线性稳定器将电压降至3.3V为通信模块、蓝牙模块供电。电源模块还包括电量显示指示灯，用于在模式选择按钮被按下后显示当前电量，满电则灯全亮，5s后电量显示指示灯自动灭。在可充电电池充电过程中，电量显示指示灯轮闪，显示处于充电状态，当可充电电池达到4.2V，电量显示指示灯全亮，表示电池电压充满。
图2示出了本发明实施例提供的应用上述蓝牙通讯盒进行数据通信的方法流程图，详述如下：
在步骤S101中，检测电源管理芯片用于当检测到USB是否有USB接入，是则执行步骤S102，否则执行步骤S104；
在步骤S102中，通过USB接口模块与通信模块进行数据通信，继续执行步骤S103；
在步骤S103中，当通信终端通过USB接口模块与所述蓝牙通讯盒连接后，则通信终端通过通信模块实现与外部设备的数据通信；
在步骤S104中，通过蓝牙模块与通信模块进行通信，继续执行步骤S105；
在步骤S105中，当通信终端与所述蓝牙模块连接后，通信终端通过通信模块实现与外部设备的数据通信。
在本发明实施例中，通信终端可以通过USB接口模块与蓝牙通讯盒连接，通过通信模块实现与外部设备的数据通信，例如当USB插入电脑时，电脑上安装对应的软件就能实现电脑与无人飞行器之间的通信，也可以通过终端与蓝牙模块连接，通过通信模块实现与外部设备的数据通信，例如当手机连接蓝牙后，手机上对应的APP软件就能实现与无人飞行器的数据通信。
本发明的蓝牙通讯盒将通信模块与蓝牙模块集成在一起，占用空间小，方便携带，同时集成USB接口模块与模拟开关转换模块，可以实现通过蓝牙模块或USB接口模块的两种数据通信方式与外部设备进行数据通信。
以上结合具体实施例描述了本发明的技术原理。这些描述只是为了解释本发明的原理，而不能以任何方式解释为对本发明保护范围的限制。基于此处的解释，本领域的技术人员不需要付出创造性的劳动即可联想到本发明的其它具体实施方式，这些方式都将落入本发明的保护范围之内。

Claims (9)

  1. 一种蓝牙通讯盒，其特征在于，包括通信模块、蓝牙模块、USB接口模块以及模拟开关转换模块；所述通信模块用于与外部设备进行数据通信；所述蓝牙模块用于与通信终端以及通信模块进行数据通信；所述USB接口模块用于与通信终端以及通信模块进行数据通信；所述模拟开关转换模块用于根据USB接口模块的USB连接状态选择数据通信方式。
  2. 如权利要求1所述的蓝牙通讯盒，其特征在于，所述蓝牙通讯盒还包括电源模块，所述电源模块用于给所述通信模块以及蓝牙模块供电。
  3. 如权利要求2所述的蓝牙通讯盒，其特征在于，所述电源模块包括电源管理芯片、可充电电池以及低压差线性稳定器；所述电源管理芯片用于当检测到USB接口模块有USB接入时对可充电电池进行充电、同时通过低压差线性稳定器将所述可充电电池的电压降至3.3V为通信模块以及蓝牙模块供电。
  4. 如权利要求3所述的蓝牙通讯盒，其特征在于，所述电源模块还包括模式选择按钮，用于当电源管理芯片没有检测到USB接入，模式选择按钮按下时电源管理芯片将可充电电池的电压升至5V，再通过低压差线性稳定器将电压降至3.3V为通信模块、蓝牙模块供电。
  5. 如权利要求3所述的蓝牙通讯盒，其特征在于，所述电源模块还包括电量显示指示灯，用于在模式选择按钮被按下后显示当前电量。
  6. 如权利要求1所述的蓝牙通讯盒，其特征在于，所述USB接口模块包括USB转串口模块以及USB接口，所述USB转串口模块用于将通过USB接口传输来的控制信号转换为串口TTL信号。
  7. 如权利要求1-6任一项所述的蓝牙通讯盒，其特征在于，所述通信模块还包括通信天线，所述蓝牙模块还包括蓝牙天线。
  8. 如权利要求1-6任一项所述的蓝牙通讯盒，其特征在于，所述通信模块为433MHz通信模块。
  9. 一种应用权利要求1所述蓝牙通讯盒进行数据通信的方法，其特征在于，所述方法包括：
    检测USB接口模块是否有USB接入，是则通过USB接口模块与通信模块进行数据通信，当通信终端通过所述USB接口模块与所述蓝牙通讯盒连接后，则所述通信终端通过所述通信模块实现与所述外部设备的数据通信；
    否则通过蓝牙模块与通信模块进行通信，当通信终端与所述蓝牙模块连接后，所述通信终端通过所述通信模块实现与所述外部设备的数据通信。
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