CN102003966A - Vehicle-mounted push-to-talk voice navigation communication system - Google Patents

Vehicle-mounted push-to-talk voice navigation communication system Download PDF

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CN102003966A
CN102003966A CN 201010544962 CN201010544962A CN102003966A CN 102003966 A CN102003966 A CN 102003966A CN 201010544962 CN201010544962 CN 201010544962 CN 201010544962 A CN201010544962 A CN 201010544962A CN 102003966 A CN102003966 A CN 102003966A
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processing unit
unit
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central processing
navigation
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刘智
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佛山市三水科多盈电子科技有限公司
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Publication of CN102003966A publication Critical patent/CN102003966A/en

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Abstract

The invention discloses a vehicle-mounted push-to-talk voice navigation communication system which is communicated with a background service center and mainly comprises a center processing unit (CPU), an embedded platform, a power management unit, a display unit, a navigation process unit, an input/output unit, an audio processing unit (APU), a video processing unit and a terminal communication processing unit, wherein the CPU is respectively connected with the input/output unit, the embedded platform, the APU, the video processing unit and the power management unit; and the navigation process unit comprises a global position system (GPS) module connected with the core plate of the CPU and a power supply. The vehicle-mounted push-to-talk voice navigation communication system is characterized in that a micro control unit (MCU) is respectively connected with a center processing platform, the navigation process unit, the video processing unit and the terminal communication processing unit; and the navigation process unit also comprises a microphone-in circuit and an audio decoder which are connected with the CPU. The invention is simple in operation, and has the advantages of convenience, practicability and the like.

Description

车载一键通语音导航通讯系统 Car navigation PTT voice communications system

技术领域 FIELD

[0001] 本发明属于车载多媒体通讯领域,特别是一种具有一键通功能的语音导航车载智能系统。 [0001] The present invention belongs to the field of in-vehicle multimedia communications, particularly to a smart vehicle navigation system having a voice through a function key.

背景技术 Background technique

[0002] 现有车载导航通讯系统,在操作过程中主要采用手写输入,通过键盘、触摸屏或按钮设定目的地等命令,这样在行车过程中,低头操作容易造成驾驶隐患,而且操作十分复杂。 [0002] existing car navigation and communication systems, mainly during operation handwriting input, set the destination commands via the keyboard, touch screen or buttons, so during driving, driving down operation likely to cause problems, but the operation is very complex. 另外现有的车载导航系统还存在地理信息无法或很难及时更新,无法提供实时路况交通信息,没有与终端之间提供交互式通讯功能等缺陷。 In addition the existing car navigation systems also exist geographic information is impossible or difficult-to-date, traffic can not provide real-time traffic information, do not provide interactive communication between the terminal and other defects.

发明内容 SUMMARY

[0003] 本发明的目的在于解决上述不足,而提供一种使用方便、功能实用的车载一键通语音导航及信息通讯系统。 [0003] The object of the present invention is to solve the above problems, and to provide an easy, functional and practical vehicle navigation PTT voice communication and information system.

[0004] 本发明是采用如下技术方案来实现上述目的: [0004] The present invention adopts the following technical solution to achieve the above object:

本发明车载一键通语音导航通讯系统,与后台服务中心连通,主要包括中央处理单元、 嵌入式平台、电源管理单元、显示单元、导航处理单元、输入输出单元、音频处理单元、视频处理单元、终端通讯处理单元;所述中央处理单元分别与输入输出单元、嵌入式平台、音频处理单元、视频处理单元、电源管理单元连接;所述输入输出单元由与中央处理单元连接的按键、开关、USB (通用串行总线)、蓝牙模块、触摸屏、地图SD卡组成;所述显示单元为与中央处理单元连接的数字屏组成的显示终端;所述导航处理单元包括与中央处理单元核心板连接的GPS模块、电源;所述终端通讯处理单元包括与无线通讯网络连通的上网模块,直接连接嵌入式平台及电源管理单元,其特征在于,该嵌入式平台采用MCU (微控制单元)分别与中央处理平台、导航处理单元、视频 The present invention is a vehicle-mounted navigation PTT voice communication system, communication with the background service center, including a central processing unit, an embedded platform, power management unit, a display unit, a navigation processing unit, input-output unit, an audio processing unit, a video processing unit, the terminal communication processing unit; said central processing unit, respectively, embedded platform, the audio processing unit, a video processing unit, a power management unit connected to the input-output unit; the input-output unit by a key connected to the central processing unit, a switch, USB (universal serial bus), Bluetooth module, a touch screen, a map composed SD card; digital screen display terminal unit is connected to the central processing unit composed of the display; the GPS navigation processing unit comprises a central processing unit connected to the core plate module, the power supply; and the terminal communication processing unit includes a communication module and the wireless access communication network, connected directly to the power management unit and the embedded platform, wherein the platform embedded MCU (micro control unit) respectively, a central processing platform , the navigation processing unit, a video 理单元、终端通讯处理单元连接;所述导航处理单元还包括与中央处理单元连接的麦克风输入电路和音频解码器。 Processing unit, the terminal communication processing unit; said navigation processing unit further comprises a central processing unit connected to a microphone input and an audio decoder circuitry.

[0005] 所述电源管理单元包括与中央处理单元连接的控制电路、电压转换集成电路、稳压集成电路、电源抗干扰电路,其中控制电路包含用作开关作用的三极管、场效应管、降压型开关场效应管转换器及同步整流DC/DC(直流/直流)降压转换电路;该电源抗干扰电路包括电感、电容元件,连接在稳压集成电路的电源接线端。 [0005] The power management unit includes a control circuit connected to the central processing unit, a voltage conversion integrated circuit, voltage regulator integrated circuit, interference power supply circuit, wherein the control circuit comprises a transistor acting as a switch, FET, buck FET switch and the synchronous rectifier converter DC / DC (DC / DC) converter step-down circuit; interference of the power supply circuit includes an inductor, a capacitor, connected between the power terminals of the integrated regulator.

[0006] 所述的音频处理单元、视频处理单元的供电,由中央处理单元的控制输出接口连接开关场效应管及降压型开关场效应管转换器的输出得到,降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压,再连接同步整流DC/DC (直流/直流)降压转换电路将电压降低到稳定的3. 3伏电压和1. 8伏电压;音频处理单元、视频处理单元所需的9伏电压由开关场效应管转换器输出连接9伏稳压集成电路转换得到。 [0006] The audio processing unit, a video processing unit power supply, obtained from the connection switch FET and FET switch buck converter output central processing unit controls an output interface, step-down switching FET converter connected to the power supply voltage into a stable voltage of 5 volts, then connect synchronous rectification DC / DC (DC / DC) conversion circuit voltage is lowered down to a stable 3.3 volts and 1.8 volts; audio processing 9 volts required unit, a video processing unit is connected by the switch FET 9 volt converter output the converted voltage regulator integrated circuit.

[0007] 所述的中央处理单元MCU的供电由电源直接连接5V稳压集成电路提供。 [0007] The central processing unit MCU 5V regulator IC is connected to the power supply provided by the power supply directly.

[0008] 所述显示单元的5伏电压由中央处理单元控制降压型开关场效应管转换器输出提供,中央处理单元控制信号连接降压型开关场效应管转换器EN脚。 [0008] The display control unit 5 volt step-down switching FET by the central processing unit provides an output converter, a central processing unit connected to the control signal switch FET buck converter EN pin. 降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压。 Down switching FET connected to the power converter converts the voltage to a stable 5 volts.

[0009] 所述音频处理单元包括与中央处理单元连接的数字调谐收音模块、天线。 [0009] The audio processing unit includes a digital radio tuner module connected to the central processing unit, an antenna.

[0010] 所述视频处理单元包括与中央处理单元、电源、SDRAM存储器连接的多媒体解码IC。 The [0010] Video decoder IC includes a multimedia processing unit connected to the central processing unit, a power supply, SDRAM memory.

[0011] 本发明采用以上技术方案所能达到的有益效果是: [0011] With the above aspect of the present invention can achieve beneficial effects:

本发明导航通讯系统改变了现有的操作复杂,通过一键接通呼叫中心,发出目的地,立即可以收到需要的导航数据,避免了低头操作带来的驾驶隐患,操作十分简单;还可以提供实时路况信息等,通过指令可有效规避拥堵路段,可以提高城市交通效率;另外终端客户通过一键打通服务中心电话,通过语言交流,使服务中心人员根据终端客户需求提供相应的服务(包括导航目的地发送、餐馆、酒店、宾馆、旅游、4S店、加油站、汽车美容店等服务),这些服务的操作、数据来源、卫星定位等全部由服务中心进行处理,再以短信的形式发送到终端客户机上,实现远程服务。 Navigation and communication system of the present invention changes the existing complicated operation, a key is turned on by the call center, giving a destination, can immediately receive the navigation data required to avoid the operation to bring down the driving hazard, operation is very simple; can provide real-time traffic information, etc., by instruction can effectively avoid congested roads, can improve urban transport efficiency; in addition to end customers through a key to get through the service center phone, through verbal communication, the service center staff to provide appropriate services based on end customer demand (including navigation send destination, restaurants, hotels, tourism, 4S stores, gas stations, automotive beauty shops and other services), the operation of these services, data sources, such as satellite positioning all handled by the service center, and then send a text message to the the terminal client, remote service.

附图说明 BRIEF DESCRIPTION

[0012] 附图1为本发明的结构原理图; 图2为本发明系统实现流程图; Structure diagram [0012] Figure 1 of the present invention; FIG. 2 is a flow chart for implementing the inventive system;

图3为本发明显示单元的结构原理图; 图4为本发明导航单元的结构原理图; 图5为输入输出单元的结构原理图; 图6为音频处理单元的结构原理图; 图7为视频处理单元的结构原理图。 FIG 3 is a structural schematic diagram of a display unit of the present invention; FIG. 4 shows the schematic structure of the navigation unit of the present invention; FIG. 5 is a configuration input output diagram; FIG. 6 is a configuration diagram of an audio processing unit; FIG. 7 is a video structure diagram of the processing unit.

具体实施方式 Detailed ways

[0013] 下面结合实施例对本发明作进一步说明。 [0013] below with reference to embodiments of the present invention will be further described.

[0014] 如图1-7所示,本发明车载一键通语音导航通讯系统,与后台服务中心连通,包括中央处理单元、嵌入式平台、电源管理单元、显示单元、导航处理单元、输入输出单元、音频处理单元、视频处理单元、终端通讯处理单元;所述中央处理单元分别与输入输出单元、嵌入式平台、音频处理单元、视频处理单元、电源管理单元连接,从而处理键盘扫描、信息输入、电源控制、音频处理、功能切换、外设连接等各种操作;所述输入输出单元由与中央处理单元连接的按键、开关、USB (通用串行总线)、蓝牙模块、触摸屏、地图SD卡组成;所述显示单元为与中央处理单元连接的数字屏组成的显示终端;所述导航处理单元包括与中央处理单元核心板连接的SIRF3型GPS模块、电源、麦克风输入电路(Mic in)、WM8758B音频编解码器;所述终端通讯处理单元包括与无线通讯 [0014] As shown, the present invention is a vehicle-mounted navigation PTT voice communication system, communication with the service center back, includes a central processing unit, an embedded platform, power management unit, a display unit, a navigation processing unit, input and output 1-7 unit, an audio processing unit, a video processing unit, the terminal communication processing unit; said central processing unit, respectively, embedded platform, the audio processing unit, a video processing unit, a power management unit connected to the input-output unit, so that the keyboard scanning process, the information input , power control, audio processing, switching function, connecting other peripheral operations; the input-output unit by a key connected to the central processing unit, a switch, the USB (universal serial bus), Bluetooth module, a touch screen, a map SD card composition; digital screen display terminal unit is connected to the central processing unit composed of the display; SIRF3 the navigation processing unit comprises a GPS-module connected to the central processing unit core board, a power supply, a microphone input circuit (mic in), WM8758B audio codec; the terminal communication processing unit includes a wireless communication 网络连通的上网模块,直接连接嵌入式平台及电源管理单元;该嵌入式平台采用MCU (微控制单元)分别与中央处理平台、导航处理单元、视频处理单元、终端通讯处理单元连接,主要处理显示终端、导航各种数据处理、通讯信息处理、后台服务处理等操作;所述电源管理单元包括与中央处理单元连接的控制电路、电压转换集成电路、稳压集成电路、电源抗干扰电路,其中控制电路包含用作开关作用的三极管、场效应管、降压型开关场效应管转换器及同步整流DC/DC(直流/直流)降压转换电路; 电源抗干扰电路包括电感、电容元件,此类电容元件连接在稳压集成电路的电源接线端。 Internet network communication module, a direct connection to the embedded platform and power management unit; the embedded platform MCU (micro control unit) connected to the central processing platform, the navigation processing unit, a video processing unit, the terminal communication processing unit, respectively, the main display processing terminal, a navigation various data processing, communications and information processing, a background service processing operations; said power management unit includes a control circuit connected to the central processing unit, a voltage conversion integrated circuit, voltage regulator integrated circuit, interference power supply circuit, wherein the control a switch circuit comprising a transistor acting as, FET, MOSFET buck switching converter and a synchronous rectification DC / DC (DC / DC) converter step-down circuit; interference power supply circuit includes an inductor, a capacitor element, such a capacitive element connected between the supply terminals of the integrated regulator. 所述音频处理单元包括与中央处理单元连接的数字调谐收音模块、天线。 The audio processing unit includes a digital radio tuner module connected to the central processing unit, an antenna. 所述视频处理单元包括与中央处理单元、电源、SDRAM存储器连接的多媒体解码IC。 The video processing unit includes a multimedia decoder IC connected to the central processing unit, a power supply, SDRAM memory.

[0015] 所述的音频处理单元、视频处理单元的供电,由中央处理单元的控制输出接口连接开关场效应管及降压型开关场效应管转换器的输出得到,降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压,再连接同步整流DC/DC (直流/直流)降压转换电路将电压降低到稳定的3. 3伏电压和1. 8伏电压;音频处理单元、视频处理单元所需的9伏电压由开关场效应管转换器输出连接9伏稳压集成电路转换得到。 [0015] The audio processing unit, a video processing unit power supply, obtained from the connection switch FET and FET switch buck converter output central processing unit controls an output interface, step-down switching FET converter connected to the power supply voltage into a stable voltage of 5 volts, then connect synchronous rectification DC / DC (DC / DC) conversion circuit voltage is lowered down to a stable 3.3 volts and 1.8 volts; audio processing 9 volts required unit, a video processing unit is connected by the switch FET 9 volt converter output the converted voltage regulator integrated circuit.

[0016] 所述的中央处理单元MCU的供电由电源直接连接5V稳压集成电路提供。 [0016] The central processing unit MCU 5V regulator IC is connected to the power supply provided by the power supply directly.

[0017] 所述显示单元的5伏电压由中央处理单元控制降压型开关场效应管转换器输出提供,中央处理单元控制信号连接降压型开关场效应管转换器EN脚;降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压。 [0017] The display unit 5 volts is controlled by a central processing unit buck switching converter provides an output FET, a central processing unit connected to the control signal switch FET buck converter EN pin; Step-Down Switching FET connected to the power converter converts the voltage to a stable 5 volts.

[0018] 所述控制电路使用场效应管9435 (P06P03LVG),中央处理单元的控制信号PWR_ CTL通过三极管连接到场效应管9435的4脚控制极G,控制AVCC_12V/AMP_PWR/ANT_PWR/ A_9V输出。 [0018] The control circuit uses a field effect transistor 9435 (P06P03LVG), the control signal from the central processing unit PWR_ CTL electrode G is connected to the FET 9435 is controlled by 4 feet transistor, the control AVCC_12V / AMP_PWR / ANT_PWR / A_9V output. 使用78L05集成电路提供BT 5V电压。 Use 78L05 integrated circuit provides BT 5V voltage.

[0019] 使用BA6287F可逆电机驱动集成电路控制电机动作。 [0019] Using BA6287F reversible motor driving integrated circuit controls the motor operation.

[0020] 所述电源直接连接78L05集成电路提供MCU 5V电压。 The [0020] 78L05 integrated circuit provides power directly MCU 5V voltage.

[0021] 所述显示单元的TFT 5V电压由中央处理单元控制MP1584输出提供,中央处理单元控制信号PWR_CTL连接MP1584的2 PIN EN脚。 [0021] The display unit TFT 5V voltage provided by the central processing unit controls the output of MP1584, a central processing unit connected to the control signal PWR_CTL 2 PIN EN pin of MP1584.

[0022] DVD/MP5的5V、3. 3V、1. 8V由中央处理单元的控制MP1584输出提供5V,后通过场效应管3095提供DVD 5V,场效应管3095受控制信号DVD_CTL控制,DVD 5V连接2组集成电路EML3406-ADJ将电压变换为3. 3V和1. 8V供给DVD 3. 3V、1. 8V电源。 5V [0022] DVD / MP5's, 3. 3V, 1. 8V provided MP1584 5V output from the control central processing unit, providing the 5V DVD 3095 via the FET, the control FET 3095 DVD_CTL control signal, is connected by 5V DVD IC EML3406-ADJ 2 group is converted into a voltage and 3. 3V supply 1. 8V DVD 3. 3V, 1. 8V power supply.

[0023] MP5的5V由中央处理单元的控制AS2281集成电路提供;中央处理单元的控制是MP5_CTL。 [0023] MP5 5V is supplied from the control IC AS2281 central processing unit; a control central processing unit is MP5_CTL.

[0024] 所述导航处理单元采用GPS模块SIRF3 ;音频处理单元由TEF6606系列数字调谐收音模块组成;视频处理单元采用AML8613型MP5解码IC。 [0024] The navigation processing unit uses GPS module SIRF3; TEF6606 audio processing unit from the series of digital radio tuner module; processing unit uses a video decoding AML8613 MP5 type IC.

[0025] 以上实施例仅用以说明本发明的技术方案而非对其限制;尽管参照较佳实施例对本发明进行了详细的说明,所属领域的普通技术人员应当理解。 [0025] The above embodiments are intended to illustrate the present invention rather than limiting; While the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will appreciate. 依然可以对发明的具体实施方式进行修改或者对部分技术特征进行等同替换;而不脱离本发明技术方案的精神,其均应涵盖在本发明请求保护的技术方案范围当中。 Still may be made to specific embodiments of the invention, modifications or equivalent substitutions to some technical features; art without departing from the spirit of the present invention, which should be covered by the present invention in which the claimed technical solution range.

Claims (5)

1. 一种车载一键通语音导航通讯系统,与后台服务中心连通,主要包括中央处理单元、 嵌入式平台、电源管理单元、显示单元、导航处理单元、输入输出单元、音频处理单元、视频处理单元、终端通讯处理单元;所述中央处理单元分别与输入输出单元、嵌入式平台、音频处理单元、视频处理单元、 电源管理单元连接;所述输入输出单元由与中央处理单元连接的按键、开关、USB (通用串行总线)、蓝牙模块、触摸屏、地图SD卡组成;所述显示单元为与中央处理单元连接的数字屏组成的显示终端;所述导航处理单元包括与中央处理单元核心板连接的GPS模块、电源;所述终端通讯处理单元包括与无线通讯网络连通的上网模块,直接连接嵌入式平台及电源管理单元,其特征在于,该嵌入式平台采用MCU (微控制单元)分别与中央处理平台、导航处理单元、视频 1. A vehicle-mounted navigation PTT voice communication system, communication with the background service center, including a central processing unit, an embedded platform, power management unit, a display unit, a navigation processing unit, input-output unit, an audio processing unit, a video processing units, the terminal communication processing unit; said central processing unit, respectively, embedded platform, the audio processing unit, a video processing unit, a power management unit connected to the input-output unit; the input-output unit by a key connected to the central processing unit, the switch , the USB (universal serial bus), Bluetooth module, a touch screen, a map composed SD card; digital screen display terminal unit is connected to the central processing unit composed of the display; the navigation processing unit comprises a central processing unit connected to the core board a GPS module, a power source; the terminal communication processing unit includes a communication module and the wireless access communication network, connected directly to the power management unit and the embedded platform, wherein the platform embedded MCU (micro control unit) respectively and the central processing platform, the navigation processing unit, a video 理单元、终端通讯处理单元连接;所述导航处理单元还包括与中央处理单元连接的麦克风输入电路和音频解码器。 Processing unit, the terminal communication processing unit; said navigation processing unit further comprises a central processing unit connected to a microphone input and an audio decoder circuitry.
2.根据权利1所述车载一键通语音导航通讯系统,其特征在于,所述电源管理单元包括与中央处理单元连接的控制电路、电压转换集成电路、稳压集成电路、电源抗干扰电路, 其中控制电路包含用作开关作用的三极管、场效应管、降压型开关场效应管转换器及同步整流DC/DC (直流/直流)降压转换电路;该电源抗干扰电路包括电感、电容元件,连接在稳压集成电路的电源接线端。 2. A vehicle according to claim 1 of the PTT voice communication navigation system, wherein said power management unit includes a control circuit connected to the central processing unit, a voltage conversion integrated circuit, voltage regulator integrated circuit, interference power supply circuit, wherein the control circuit comprises a transistor acting as a switch, FET, MOSFET buck switching converter and a synchronous rectification DC / DC (DC / DC) converter step-down circuit; interference of the power supply circuit includes an inductor, a capacitor element , connected to the power supply terminal regulator IC.
3.根据权利1或2所述车载一键通语音导航通讯系统,其特征在于,所述的音频处理单元、视频处理单元的供电,由中央处理单元的控制输出接口连接开关场效应管及降压型开关场效应管转换器的输出得到,降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压,再连接同步整流DC/DC(直流/直流)降压转换电路将电压降低到稳定的3. 3伏电压和1. 8伏电压;所述音频处理单元、视频处理单元所需的9伏电压由开关场效应管转换器输出连接9伏稳压集成电路转换得到;所述的中央处理单元MCU的供电由电源直接连接5V稳压集成电路提供;所述中央处理单元控制降压型开关场效应管转换器输出提供显示单元的5伏电压,中央处理单元控制信号连接降压型开关场效应管转换器EN脚;降压型开关场效应管转换器与电源连接将电压转换为稳定5伏电压。 According to claim 1 or 2 in-vehicle navigation PTT voice communication system, wherein said audio processing unit, the power supply of the video processing unit connected to the control output of the central processing unit interface switch FET and drop FET switch the output pressure of the converter obtained buck converter switching FET connected to the supply voltage into a stable voltage of 5 volts, then connect synchronous rectification DC / DC (DC / DC) buck converter circuit voltage is reduced to a stable 3.3 volts and 1.8 volts; 9 volts required by the audio processing unit, a video processing unit by a switching FET connected to the output of converter 9 volt regulator IC converted; supply the central processing unit MCU is connected directly to the power supply providing 5V regulator IC; central processing unit controls the step-down switching FET converter output 5 volts provided a display unit, a central processing unit connected to the control signal buck converter switching FET EN pin; step-down switching FET connected to the power converter converts the voltage to a stable 5 volts.
4.根据权利1所述车载一键通语音导航通讯系统,其特征在于,所述音频处理单元包括与中央处理单元连接的数字调谐收音模块、天线。 4. A vehicle according to claim 1 of the PTT voice communication navigation system, wherein said audio processing unit includes a digital radio tuner module connected to the central processing unit, an antenna.
5.根据权利1所述车载一键通语音导航通讯系统,其特征在于,所述视频处理单元包括与中央处理单元、电源、SDRAM存储器连接的多媒体解码IC。 According to claim 1 of the vehicle navigation PTT voice communication system, wherein the video processing unit comprises a multimedia decoder IC connected to the central processing unit, a power supply, SDRAM memory.
CN 201010544962 2010-11-16 2010-11-16 Vehicle-mounted push-to-talk voice navigation communication system CN102003966A (en)

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