WO2016119235A1 - 一种汽车紧急呼叫方法、车载终端和系统 - Google Patents
一种汽车紧急呼叫方法、车载终端和系统 Download PDFInfo
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- WO2016119235A1 WO2016119235A1 PCT/CN2015/071993 CN2015071993W WO2016119235A1 WO 2016119235 A1 WO2016119235 A1 WO 2016119235A1 CN 2015071993 W CN2015071993 W CN 2015071993W WO 2016119235 A1 WO2016119235 A1 WO 2016119235A1
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- emergency call
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
Definitions
- Embodiments of the present invention relate to the field of automobile communications, and in particular, to an emergency call method for an automobile, an in-vehicle terminal, and a system.
- an emergency communication system for vehicles such as:
- European eCall communication system All models of family cars and light passenger cars sold by 2015 must be equipped with an automatic emergency call system called eCall. In the event of a serious traffic accident, even if the driver and passenger are unconscious and cannot make a call, the system can automatically dial the European unified emergency call 112 and report the location of the accident vehicle.
- the current automobile emergency communication system is composed of an in-vehicle device and a network device.
- the in-vehicle device includes an in-vehicle terminal and a wireless communication module, and the in-vehicle terminal is connected through a USB port wireless communication module, and the serial communication mode between the in-vehicle device and the wireless communication module is due to USB.
- the emergency call service is mixed with other services. If the USB port is occupied by other services, the in-vehicle device cannot initiate signaling or data to the wireless communication module, affecting the dialing of the emergency call. Pass rate.
- the technical problem to be solved by the embodiments of the present invention is to provide an emergency call method for an automobile, an in-vehicle terminal, and a system, which can solve the problem that the signaling or data of the emergency call service in the prior art is blocked, resulting in a call failure.
- a first aspect of the embodiments of the present invention provides a method for emergency call of a vehicle, including:
- the vehicle terminal receives a trigger event for starting an emergency call service
- the vehicle-mounted terminal transmits an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event; wherein the indication call instruction is used to instruct the wireless communication device to initiate an emergency voice call to the public safety answering point PSAP,
- the emergency call port is used to transmit service instructions or service data of the emergency call service.
- the in-vehicle terminal sends an emergency call instruction to the wireless communication device by using the emergency call port according to the triggering event, and further includes:
- the service instruction or service data of the non-emergency call service is stopped.
- the sending, by the in-vehicle terminal, the emergency call instruction to the wireless communication device by using the emergency call port according to the triggering event includes:
- the triggering event that the in-vehicle terminal receives to initiate an emergency call service includes:
- the vehicle-mounted terminal receives a trigger event generated by a user through an emergency call button;
- the vehicle-mounted terminal receives a trigger event generated by the microcontroller through data collected by the collision sensor.
- a second aspect of the embodiments of the present invention provides an in-vehicle terminal, including:
- a receiving module configured to receive a trigger event for starting an emergency call service
- an indication module configured to send an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event; wherein the indication call instruction is used to instruct the wireless communication device to initiate an emergency voice call to the public safety answering point PSAP, where The emergency call port is used to transmit service instructions or service data of an emergency call service.
- the indication module is further configured to:
- the indication module is configured to identify a service instruction or service data of an emergency call service according to the service instruction or the identity identifier carried by the service data. And transmitting, by the emergency call port, the emergency call command to the wireless communication device by using the service command or the service data of the emergency call service.
- the receiving module is configured to:
- a third aspect of the embodiments of the present invention provides an automobile emergency call system, including: an in-vehicle terminal and a wireless communication device, where the in-vehicle terminal and the wireless communication device are connected by a USB cable;
- the vehicle-mounted terminal receives a trigger event for starting an emergency call service
- the vehicle-mounted terminal sends an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event;
- the wireless communication device initiates an emergency voice call to the public safety answering point PSAP according to the emergency call instruction; wherein the emergency call port is used to transmit service instructions or service data of the emergency call service.
- the in-vehicle terminal includes an emergency call button and a collision sensor, and the in-vehicle terminal receives a trigger event generated by the user through the emergency call button; or
- the vehicle-mounted terminal receives a trigger event generated by the microcontroller through data collected by the collision sensor.
- a fourth aspect of the embodiments of the present invention provides an in-vehicle terminal, including: the processor and the memory are connected by a bus, wherein the memory stores an emergency call method for implementing the vehicle according to any one of the above items. And the processor invokes and executes an instruction in the memory to implement the automobile emergency call method according to any one of the preceding claims.
- the emergency call command of the emergency call service is sent to the wireless communication device through the dedicated emergency call port, and the emergency call port is isolated from the port of the non-emergency call service, which can effectively avoid non-emergency calls.
- FIG. 1 is a schematic flowchart of a method for emergency call of a car according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a principle of an emergency call method for a car according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of an in-vehicle terminal according to an embodiment of the present invention.
- FIG. 4 is another schematic structural diagram of an in-vehicle terminal according to an embodiment of the present invention.
- FIG. 1 is a schematic flowchart of a method for an emergency call of a vehicle according to an embodiment of the present invention.
- the method includes:
- the vehicle terminal receives a trigger event for starting an emergency call service.
- the trigger event may be an automatic trigger or a manual trigger.
- an emergency call button set on the vehicle terminal
- the user has an activity capability, and the user can generate a trigger event by clicking an emergency call button;
- the sensor installed in the car collects the acceleration value of the car, and the microprocessor determines whether an accident has occurred according to the acceleration value, and automatically generates a trigger event to the vehicle terminal if an accident occurs.
- the trigger event is used to initiate an emergency call service.
- the in-vehicle terminal sends an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event; wherein the indication call instruction is used to instruct the wireless communication device to the public safety answering point PSAP (Public Service Answering Point) , the public service answering point (PSAP) initiates an emergency voice call, and the emergency call port is used to transmit the service of the emergency call service.
- PSAP Public Service Answering Point
- PSAP public service answering point
- the emergency call port is used to transmit the service of the emergency call service. Instruction or business data.
- the wireless communication device is configured to implement a voice or data communication function by using a carrier network, and the vehicle-mounted terminal and the wireless communication device are connected by a USB cable.
- An emergency call port, a data port, and a control port are disposed between the vehicle-mounted terminal and the wireless communication device, and the emergency call port is used to transmit service instructions or service data of the emergency call service, and the emergency call port does not transmit the service instruction or service of the non-emergency call service.
- Data is used to transmit service data of non-emergency call service
- the control port is used to transmit service instructions of non-emergency call service.
- the vehicle terminal sends an emergency call command to the wireless communication device through the emergency call port, and the emergency call port is only used to transmit the service data or service command of the emergency call service, and the wireless communication device sends an emergency call to the PSAP after receiving the emergency call command sent by the vehicle terminal.
- Voice call request At the same time, the vehicle terminal can also report the service data indicating the accident location, the occurrence time and the passenger information to the PSAP through the emergency call port.
- the emergency call instruction of the emergency call service is sent to the wireless communication device through the dedicated emergency call port, and the emergency call port is isolated from the port of the non-emergency call service, which can effectively avoid the command or data of the non-emergency call service. Impact, improve the dial-up rate of emergency voice calls.
- the in-vehicle terminal sends an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event, and further includes:
- the service instruction or service data of the non-emergency call service is stopped.
- the in-vehicle terminal After receiving the triggering event, the in-vehicle terminal detects whether there is a service instruction or service data of the non-emergency call service to be transmitted on the other local port, and if so, stops transmitting the service instruction or service data of the non-emergency call service.
- the vehicle terminal is provided with a data port and a control port in addition to an emergency call port provided with a service instruction and service data for transmitting an emergency call service, and the vehicle terminal queries the data port and the control port after receiving the trigger event.
- the transmission status if data or instructions are being transmitted on the data port and control port, stopping the transmission of data or commands on the data port and control port, the vehicle terminal only runs the emergency call port for data or command transmission.
- the sending, by the in-vehicle terminal, an emergency call instruction to the wireless communication device by using the emergency call port according to the triggering event includes:
- the service instruction or the service data carries an identity indicating the type of the service
- the in-vehicle terminal identifies the service instruction or service data of the emergency call service by using the identity identifier, and sends the service instruction or service data belonging to the emergency call service through the emergency call port.
- intercept business instructions or business data for non-emergency call services For example, the service data or service command of the emergency call service carries the identity identifier "emergency", and the service data of the non-emergency call service or the service identifier carried by the service command is "unemergency".
- the triggering event that the in-vehicle terminal receives to initiate an emergency call service includes:
- the vehicle-mounted terminal receives a trigger event generated by a user through an emergency call button;
- the vehicle-mounted terminal receives a trigger event generated by the microcontroller through data collected by the collision sensor.
- the vehicle terminal is provided with an emergency call button, the user generates a trigger event by clicking the emergency call button, and the vehicle terminal receives the trigger event; or, each part of the automobile is equipped with a collision sensor, and the collision sensor is used to collect the acceleration value of the vehicle, and The collected acceleration value is sent to the microcontroller, and the microcontroller analyzes the acceleration value to determine whether the vehicle has an accident. If the collected acceleration value is greater than the threshold value, it is considered that the vehicle has an accident, and the microcontroller sends a trigger event to the vehicle terminal.
- the present invention may also generate a trigger event by other methods, and generate a trigger event by monitoring parameters such as an open state of the airbag of the automobile or a temperature value of each part of the automobile, which is not limited by the present invention.
- FIG. 3 is a schematic structural diagram of a vehicle-mounted terminal according to an embodiment of the present invention.
- the vehicle-mounted terminal includes a receiving module 20 and an indicating module 21.
- the receiving module 20 is configured to receive a trigger event for starting an emergency call service.
- the indication module 21 is configured to send an emergency call instruction to the wireless communication device through the emergency call port according to the triggering event; wherein the indication call instruction is used to instruct the wireless communication device to initiate an emergency voice call to the public safety answering point PSAP,
- the emergency call port is used to transmit service instructions or service data of an emergency call service.
- the indication module 21 is further configured to:
- the service instruction or service data of the non-emergency call service is stopped.
- the indication module is configured to identify a service instruction or service data of an emergency call service according to the service instruction or the identity identifier carried by the service data, and send the service instruction or service data of the emergency call service to the wireless terminal through the emergency call port.
- the communication device sends an emergency call command.
- the receiving module 20 is configured to:
- FIG. 4 is another schematic structural diagram of an in-vehicle terminal according to an embodiment of the present invention.
- the vehicle-mounted terminal includes a processor 61, a memory 62, and a communication interface 63.
- the processor 61, the memory 62, and the communication interface 63 may be connected by a bus or other means, and a bus connection is taken as an example in FIG.
- the memory 62 is used to store program code.
- the program may include program code, and the program code includes computer operation instructions.
- the memory 62 may include a random access memory (RAM), and may also include a non-volatile memory such as at least one disk storage.
- the processor 61 executes the program code stored in the memory 62 for implementing the emergency call method of the automobile provided by the embodiment of the present invention, including:
- the processor 61 performs the sending an emergency call instruction to the wireless communication device through the emergency call port according to the trigger event, and is further configured to:
- the service instruction or service data of the non-emergency call service is stopped.
- the processor 61 performing the sending an emergency call instruction to the wireless communication device by using the emergency call port according to the trigger event includes:
- the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
Abstract
本发明实施例公开了一种汽车紧急呼叫方法，包括：车载终端接收用于启动紧急呼叫业务的触发事件；所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。相应的，本发明实施例还公开了一种车载终端和汽车紧急通信系统。实施本发明的实施例，能提供紧急呼叫的拨通率。
Description
本发明实施例涉及汽车通信领域，尤其涉及一种汽车紧急呼叫方法、车载终端和系统。
随着人们生活水平的逐步提高和经济的快速发展，汽车越来越普及，汽车的安全性日益受到重视。为了提高汽车行驶过程中的安全性，使汽车发生事故时及时得到救援，各地区分部推出了汽车紧急通信系统，例如：
欧洲的eCall通信系统：到2015年出售的所有型号的家用车和轻型乘用车都必须安装一种被称作eCall的自动紧急呼叫系统。在发生严重交通事故后，即使司机和乘客失去知觉不能拨打电话，这一系统也能够自动拨叫欧洲统一的紧急救援电话112，并且报告事故车辆所处的位置。
北美的E911通信系统：早在1996年，美国联邦通信委员会要求移动运营商为手机用户提供紧急求助服务，即提供呼叫者的位置以便及时救援，他们将这种移动位置服务命名为E911，现在所有在美国的终端产品，只要支持语音，就需要支持E911，包括支持语音的车机。
目前的汽车紧急通信系统由车载设备和网络设备组成，车载设备包括车载终端和无线通信模块，车载终端通过USB端口无线通信模块连接，车载设备和无线通信模块之间为串行通信方式，由于USB(Universal Serial Bus，通用串行总线)端口上紧急呼叫业务和其他业务混合使用，如果USB端口被其他业务占用时，会导致车载设备无法向无线通信模块发起信令或数据，影响紧急呼叫的拨通率。
发明内容
本发明实施例所要解决的技术问题在于，提供一种汽车紧急呼叫方法、车载终端和系统，可解决现有技术中紧急呼叫业务的信令或数据被阻塞，导致呼叫失败的问题。
为了解决上述技术问题，本发明实施例第一方面提供了一种汽车紧急呼叫方法，包括：
车载终端接收用于启动紧急呼叫业务的触发事件；
所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
结合第一方面，在第一种可能的实现方式中，所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令，还包括：
若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
结合第一方面或第一种可能的实现方式，在第二种可能的实现方式中，所述所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令包括：
根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
结合第一方面至第二种可能的实现方式中的任意一种，在第三种可能的实现方式中，所述车载终端接收用于启动紧急呼叫业务的触发事件包括：
所述车载终端接收用户通过紧急呼叫按钮生成的触发事件；或
所述车载终端接收微控制器通过碰撞传感器采集的数据生成的触发事件。
本发明实施例第二方面提供了一种车载终端，包括：
接收模块，用于接收用于启动紧急呼叫业务的触发事件；
指示模块，用于根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
结合第二方面，在第一种可能的实现方式中，所述指示模块还用于：
若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止
传输所述非紧急呼叫业务的业务指令或业务数据。
结合第二方面或第一种可能的实现方式，在第二种可能的实现方式中，所述指示模块用于根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
结合第二方面至第二种可能的实现方式中的任意一种，在第三种可能的实现方式中，所述接收模块用于：
接收用户通过紧急呼叫按钮生成的触发事件；或
接收微控制器通过碰撞传感器采集的数据生成的触发事件。
本发明实施例第三方面提供了一种汽车紧急呼叫系统，包括：车载终端和无线通信装置，所述车载终端和无线通信装置通过USB线缆连接；其中，
所述车载终端接收用于启动紧急呼叫业务的触发事件；
所述车载终端根据所述触发事件通过紧急呼叫端口向所述无线通信装置发送紧急呼叫指令；
所述无线通信装置根据所述紧急呼叫指令向公共安全应答点PSAP发起紧急语音呼叫；其中，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
结合第三方面，在第一种可能的实现方式中，所述车载终端包括紧急呼叫按钮和碰撞传感器，所述车载终端接收用户通过所述紧急呼叫按钮生成的触发事件；或
所述车载终端接收微控制器通过所述碰撞传感器采集的数据生成的触发事件。
本发明实施例第四方面提供了一种车载终端，包括：所述处理器和所述存储器通过总线连接，其特征在于，所述存储器中保存有实现上述任意一项所述的汽车紧急呼叫方法的指令，所述处理器调取并执行所述存储器中的指令，实现如上述任意一项所述的汽车紧急呼叫方法。
实施本发明，具有如下有益效果：
紧急呼叫业务的紧急呼叫指令通过专用的紧急呼叫端口发送给无线通信装置，紧急呼叫端口与非紧急呼叫业务的端口隔离开，能有效避免非紧急呼叫
业务的指令或数据影响，提高紧急语音呼叫的拨通率。
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种汽车紧急呼叫方法的流程示意图；
图2为本发明实施例提供的一种汽车紧急呼叫方法的原理示意图；
图3是本发明实施例提供的一种车载终端的结构示意图；
图4是本发明实施例提供的一种车载终端的另一结构示意图。
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
参见图1，为本发明实施例一种汽车紧急呼叫方法的流程示意图，在本发明实施例中，所述方法包括：
S101、车载终端接收用于启动紧急呼叫业务的触发事件。
具体的，触发事件可以是自动触发或手动触发，例如，通过设置在车载终端上的紧急呼叫按钮，发生轻微事故时，用户具有活动能力，用户可以通过点击紧急呼叫按钮生成触发事件；发生严重交通事故时，设置在汽车上的传感器会采集汽车的加速度值，微处理器根据加速度值判断是否发生事故，如果发生事故，自动向车载终端生成触发事件。触发事件用于启动紧急呼叫业务。
S102、所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP(Public Service Answering Point，公共服务应答点，简称PSAP)发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务
指令或业务数据。
具体的，如图2所示，无线通信装置用于利用运营商网络实现语音或数据通信功能，车载终端和无线通信装置之间通过USB线缆连接。车载终端和无线通信装置之间设置有紧急呼叫端口、数据端口和控制端口，紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据，紧急呼叫端口不传输非紧急呼叫业务的业务指令或业务数据；数据端口用于传输非紧急呼叫业务的业务数据，控制端口用于传输非紧急呼叫业务的业务指令。
车载终端通过紧急呼叫端口向无线通信装置发送紧急呼叫指令，紧急呼叫端口只用来传输紧急呼叫业务的业务数据或业务指令，无线通信装置接收到车载终端发送的紧急呼叫指令后，向PSAP发起紧急语音呼叫请求。同时，车载终端还可以通过紧急呼叫端口向PSAP上报表示事故地点、发生时间和乘客信息的业务数据。
实施本发明的实施例，紧急呼叫业务的紧急呼叫指令通过专用的紧急呼叫端口发送给无线通信装置，紧急呼叫端口与非紧急呼叫业务的端口隔离开，能有效避免非紧急呼叫业务的指令或数据影响，提高紧急语音呼叫的拨通率。
进一步，可选的，所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令，还包括：
若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
具体的，车载终端在接收到触发事件后，检测本地其他端口上是否存在待传输的非紧急呼叫业务的业务指令或业务数据，如果存在，停止传输非紧急呼叫业务的业务指令或业务数据。
例如，车载终端上除设置有用于传输紧急呼叫业务的业务指令和业务数据的紧急呼叫端口之外，还设置有数据端口和控制端口，车载终端在接收到触发事件后，查询数据端口和控制端口的传输状态，如果数据端口和控制端口上正在传输数据或指令，停止数据端口和控制端口上数据或指令的传输，车载终端只运行紧急呼叫端口进行数据或指令的传输。
进一步，可选的，所述所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令包括：
根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
具体的，业务指令或业务数据都携带表明自身业务类型的身份标识，车载终端通过身份标识识别紧急呼叫业务的业务指令或业务数据，将属于紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口发送给无线通信装置，拦截非紧急呼叫业务的业务指令或业务数据。例如，紧急呼叫业务的业务数据或业务指令携带的身份标识为“emergency”，非紧急呼叫业务的业务数据或业务指令携带的身份标识为“unemergency”。
进一步，可选的，所述车载终端接收用于启动紧急呼叫业务的触发事件包括：
所述车载终端接收用户通过紧急呼叫按钮生成的触发事件；或
所述车载终端接收微控制器通过碰撞传感器采集的数据生成的触发事件。
具体的，车载终端设有一个紧急呼叫按钮，用户通过点击紧急呼叫按钮生成触发事件，车载终端接收触发事件；或者，汽车的各个部分安装有碰撞传感器，碰撞传感器用于采集汽车的加速度值，将采集到的加速度值发送给微控制器，微控制器分析加速度值判断汽车是否发生事故，如采集到的加速度值大于阈值，则认为汽车发生事故，微控制器向车载终端发送触发事件。
需要说明的是，本发明还可以通过其他方法生成触发事件，通过监控汽车安全气囊的开启状态，或汽车各个部分的温度值等参数来生成触发事件，本发明不作限制。
参见图3，为本发明实施例提供的一种车载终端的结构示意图，在本发明实施例中，所述车载终端包括接收模块20和指示模块21。
接收模块20，用于接收用于启动紧急呼叫业务的触发事件；
指示模块21，用于根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
可选的，指示模块21还用于：
若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
可选的，所述指示模块用于根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
可选的，所述接收模块20用于：
接收用户通过紧急呼叫按钮生成的触发事件；或
接收微控制器通过碰撞传感器采集的数据生成的触发事件。
本发明实施例和方法实施例基于同一构思，其带来的技术效果也相同，具体过程请参照方法实施例一的描述，此处不再赘述。
参见图4，为本发明实施例提供的一种车载终端的另一结构示意图，在本发明实施例中，用于实现本发明图1所示的汽车紧急呼叫方法。在本发明实施例中，所述车载终端包括处理器61、存储器62和通信接口63。处理器61、存储器62和通信接口63可通过总线或其他方式连接，图4中以总线连接为例。
其中，存储器62用于存储程序代码，具体地，程序可以包括程序代码，所述程序代码包括计算机操作指令。存储器62可能包含随机存取存储器(random access memory，简称RAM)，也可能还包括非易失性存储器(non-volatile memory)，例如至少一个磁盘存储器。
处理器61执行所述存储器62中存储的程序代码，用于实现本发明实施例提供的汽车紧急呼叫方法，包括：
接收用于启动紧急呼叫业务的触发事件；
根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
在本发明的实施例中，处理器61执行所述根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令，还用于执行：
若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
在本发明的实施例中，处理器61执行所述根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令包括：
根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
本发明实施例和方法实施例基于同一构思，其带来的技术效果也相同，具体过程请参照方法实施例一的描述，此处不再赘述。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。
Claims (11)
- 一种汽车紧急呼叫方法，其特征在于，包括：车载终端接收用于启动紧急呼叫业务的触发事件；所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
- 如权利要求1所述的方法，其特征在于，所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令，还包括：若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
- 如权利要求1或2所述的方法，其特征在于，所述所述车载终端根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令包括：根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
- 如权利要求1-3任意一项所述的方法，其特征在于，所述车载终端接收用于启动紧急呼叫业务的触发事件包括：所述车载终端接收用户通过紧急呼叫按钮生成的触发事件；或所述车载终端接收微控制器通过碰撞传感器采集的数据生成的触发事件。
- 一种车载终端，其特征在于，包括：接收模块，用于接收用于启动紧急呼叫业务的触发事件；指示模块，用于根据所述触发事件通过紧急呼叫端口向无线通信装置发送紧急呼叫指令；其中，所述指示呼叫指令用于指示所述无线通信装置向公共安 全应答点PSAP发起紧急语音呼叫，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
- 如权利要求5所述的车载终端，其特征在于，所述指示模块还用于：若到检测本地存在待传输的非紧急呼叫业务的业务指令或业务数据，停止传输所述非紧急呼叫业务的业务指令或业务数据。
- 如权利要求5或6所述的车载终端，其特征在于，所述指示模块用于根据业务指令或业务数据携带的身份标识识别出紧急呼叫业务的业务指令或业务数据，将所述紧急呼叫业务的业务指令或业务数据通过紧急呼叫端口向无线通信装置发送紧急呼叫指令。
- 如权利要求5-7任意一项所述的车载终端，其特征在于，所述接收模块用于：接收用户通过紧急呼叫按钮生成的触发事件；或接收微控制器通过碰撞传感器采集的数据生成的触发事件。
- 一种汽车紧急呼叫系统，其特征在于，包括：车载终端和无线通信装置，所述车载终端和无线通信装置通过USB线缆连接；其中，所述车载终端接收用于启动紧急呼叫业务的触发事件；所述车载终端根据所述触发事件通过紧急呼叫端口向所述无线通信装置发送紧急呼叫指令；所述无线通信装置根据所述紧急呼叫指令向公共安全应答点PSAP发起紧急语音呼叫；其中，所述紧急呼叫端口用于传输紧急呼叫业务的业务指令或业务数据。
- 如权利要求9所述的系统，其特征在于，所述车载终端包括紧急呼叫按钮和碰撞传感器，所述车载终端接收用户通过所述紧急呼叫按钮生成的触发事件；或所述车载终端接收微控制器通过所述碰撞传感器采集的数据生成的触发 事件。
- 一种车载终端，包括存储器和处理器，所述处理器和所述存储器通过总线连接，其特征在于，所述存储器中保存有实现如权利要求1-4任意一项所述的汽车紧急呼叫方法的指令，所述处理器调取并执行所述存储器中的指令，实现如权利要求1-4任意一项所述的汽车紧急呼叫方法。
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