阅读说明：本技术 一种用于驾考的控制终端 (Control terminal for driving test ) 是由 许宇飞 朱明航 张勇 袁湘容 于 2019-09-29 设计创作，主要内容包括：本发明公开了一种用于驾考的控制终端,所述控制终端包括处理器,以及与处理器相连接的存储器、显示部件、通信部件、图像视频采集部件、卫星定位部件、音频输入部件、音频输出部件、外设接口；通信部件包括WIFI模块和4G模块,其中4G模块通过USB2.0接口与处理器相连,WIFI模块通过SDIO接口与处理器相连,图像视频采集部件包括4路视频输入装置并通过TVIN接口与处理器相连。本发明集成度高、体积小、稳定性强、成本低。(The invention discloses a control terminal for driving test, which comprises a processor, a memory, a display component, a communication component, an image video acquisition component, a satellite positioning component, an audio input component, an audio output component and an external interface, wherein the memory, the display component, the communication component, the image video acquisition component, the satellite positioning component, the audio input component, the audio output component and the external interface are connected with the processor; the communication part comprises a WIFI module and a 4G module, wherein the 4G module is connected with the processor through a USB2.0 interface, the WIFI module is connected with the processor through an SDIO interface, and the image video acquisition part comprises 4 paths of video input devices and is connected with the processor through a TVIN interface. The invention has the advantages of high integration level, small volume, strong stability and low cost.)

1. A control terminal for driving test is characterized by comprising a processor, a memory, a display component, a communication component, an image video acquisition component, a satellite positioning component, an audio input component, an audio output component and a peripheral interface, wherein the memory, the display component, the communication component, the image video acquisition component, the satellite positioning component, the audio input component, the audio output component and the peripheral interface are connected with the processor; the communication part comprises a WIFI module and a 4G module, wherein the 4G module is connected with the processor through a USB2.0 interface, the WIFI module is connected with the processor through an SDIO interface, and the image video acquisition part comprises 4 paths of video input devices and is connected with the processor through a TVIN interface.

2. The control terminal of claim 1, wherein the satellite positioning component comprises a single point GPS module, the single point GPS module being coupled to a GPS antenna and to the processor via a UART interface.

3. the control terminal of claim 1, wherein the display component comprises an 8-inch high-definition liquid crystal display and is coupled to the processor via RGB and TWI interfaces.

4. The control terminal of claim 1, wherein the audio output components include a body speaker output and an AUX output; the audio input component comprises a MIC audio input, and the audio output component and the audio input component are connected with the processor through the PCM interface.

5. The control terminal of claim 1, wherein the processor is a full-lineage T3 processor, and the memory comprises a 2GB memory using a DDR3 interface, an 8G flash memory using an EMMC5.1 interface, and a microSD expansion memory.

6. The control terminal of claim 1, further comprising a power management system coupled to the vehicle battery.

7. The control terminal of claim 1, further comprising a printed circuit board including an ethernet control circuit, an internal memory EMMC circuit, a T3 processor and DDR3 circuit, a power management circuit, an external interface control circuit, an RGB interface of an LCD, and supporting driver circuits thereon.

Technical Field

The invention belongs to the technical field of vehicle-mounted driving assistance, and particularly relates to a control terminal for contents of a second subject and a third subject of a driving test of a motor vehicle.

Background

With the rapid development of the automobile industry, automobiles increasingly enter common families and become a part of life of people, so that the development of the driving examination and training industry is driven. With the development of driving test system equipment, compared with the traditional driving test mode of accompanying driving invigilation, the intelligent driving test system has great progress. The method not only reduces the judgment of human factors to the maximum extent, really realizes the fairness, justice and openness of the examination, but also realizes the remote invigilation and intelligent judgment of the examination scores of examinees, and improves the examination efficiency.

However, in the current driving test electronic equipment, video acquisition, audio acquisition, OBD signal acquisition, wireless network module, vehicle-mounted positioning navigation and other equipment in the whole system adopt a distributed architecture, and all functional equipment are mutually independent and mutually connected by using connecting cables; meanwhile, the traditional driving test equipment is large in size and scattered in installation, and the reliability and stability of the whole system are reduced. In addition, the current vehicle-mounted computer has single function and insufficient compatibility, and needs to be matched with other functional components installed on a motor vehicle for use; the vehicle-mounted computer has large heat productivity, poor heat dissipation, easy halt and instability.

disclosure of Invention

in order to overcome the defects in the prior art, the invention provides the control terminal for the driving test, which has the advantages of high integration level, small volume, strong stability and low cost; the problems that in the prior art, the vehicle-mounted computer and each functional device of the driving test and driving cultivation motor vehicle are distributed in structure, large in size, single in function, low in operation efficiency, high in failure rate and the like are solved.

in order to achieve the purpose, the technical scheme of the invention is as follows:

A control terminal for driving test comprises a processor, and a memory, a display component, a communication component, an image video acquisition component, a satellite positioning component, an audio input component, an audio output component and a peripheral interface which are connected with the processor; the communication part comprises a WIFI module and a 4G module, wherein the 4G module is connected with the processor through a USB2.0 interface, the WIFI module is connected with the processor through an SDIO interface, and the image video acquisition part comprises 4 paths of video input devices and is connected with the processor through a TVIN interface.

Furthermore, the satellite positioning component comprises a single-point GPS module, and the single-point GPS module is connected with the GPS antenna and is connected with the processor through a UART interface.

further, the display unit includes an 8-inch high-definition liquid crystal display and is connected to the processor through RGB and TWI interfaces.

Furthermore, the audio output component comprises a vehicle body loudspeaker output and an AUX output, the audio input component comprises a MIC audio input, and the audio output component and the audio input component are connected with the processor through a PCM interface.

furthermore, the processor adopts a full log T3 processor, four ARM Cortex-A7 cores and a dominant frequency of 1.2 GHz.

Further, the memory comprises a memory DRAM, and a DDR3 interface 2GB memory is adopted to carry an android 6.0 system.

Further, the memory further comprises an onboard memory and an expansion memory; the onboard memory is an 8G flash memory of an EMMC5.1 interface, the expansion memory is a microSD card, and the maximum support is 128G.

further, the display part includes an LCD panel and a touch panel; the LCD panel size is 8 inches, the resolution is 800 × 600, and the interface is RGB 888; touch panel is 5 point touch control capacitance touch panel, and the interface is the IIC interface, uses more resistance touch panel more to accord with present user's operation custom on the industrial computer of comparing, and the high toughened glass that passes through that the panel adopted is also more clear more wear-resisting than traditional resistance touch panel.

Further, the communication part comprises a mobile communication sub-module and a wireless local area network communication sub-module; the mobile communication sub-module supports 4G full-network communication and is accessed to the processor module through a high-speed USB2.0 interface; the wireless local area network communication sub-module comprises a WIFI module and is accessed into the processor module through the high-speed SDIO interface.

Furthermore, the image video acquisition component comprises 4 paths of 700-line CVBS video camera inputs in total, and comprises a camera for acquiring face information of a driver, a camera for acquiring action information of a copilot, a camera for acquiring information outside the vehicle and a camera for acquiring information inside the vehicle.

furthermore, the satellite positioning component comprises a single-point GPS module, supports a GPS/GLONASS/Beidou positioning system, receives position positioning requests of one or more monitoring centers, uploads position information and supports uploading of the position information according to time intervals, distance intervals or external event triggering modes.

Furthermore, a dual-channel 3W loudspeaker, a 3.5mm earphone output and an external microphone are arranged in the control terminal, and are used for voice communication between a driver and a coach in the vehicle and a management center of a driving school and a supervision center of a vehicle management department.

further, the control terminal further comprises a peripheral interface, wherein the peripheral interface includes but is not limited to an external interface module TF/SD card port, 3 USB interfaces, a SIM card interface, an ethernet interface, 2 RS232 interfaces, a CAN interface, a 4G antenna interface and a GPS antenna interface.

Furthermore, the control terminal is also provided with a power supply management system which adopts 12V voltage and is connected with a vehicle storage battery. The vehicle-mounted ACC power supply control system has the functions of controlling power supply, preventing reverse connection protection of a power supply, overvoltage protection, overcurrent protection, TVS protection, EMI protection and the like, and effectively ensures long-term stable work of equipment.

The invention has the beneficial effects that:

The terminal highly integrates the functional modules required by the driving test equipment, and integrates the functional modules separated from the conventional equipment into the vehicle-mounted terminal, so that the workload of equipment installation is greatly reduced, the failure rate of the whole set of system is reduced, and the vehicle use efficiency of a driving school is improved. According to the terminal, the function modules which are not needed on the traditional vehicle-mounted terminal are removed, the internal circuit design of the equipment is simplified, the function modules are clearly divided, the power consumption of the equipment is reduced, and the after-sale maintenance is convenient.

drawings

Fig. 1 is a schematic block diagram of the structure of the terminal of the present invention;

Fig. 2 is a functional distribution diagram of a printed circuit board assembly PCBA within a terminal of the present invention.

Detailed Description

the present invention will be further described with reference to the following examples.

As shown in fig. 1, the control terminal for driving test of the present invention includes a processor, and a memory, a display component, a communication component, an image and video acquisition component, a satellite positioning component, an audio input component, an audio output component, and a peripheral interface connected to the processor; the communication part comprises a WIFI module and a 4G module, wherein the 4G module is connected with the processor through a USB2.0 interface, the WIFI module is connected with the processor through an SDIO interface, and the image video acquisition part comprises 4 paths of video input devices and is connected with the processor through a TVIN interface.

the satellite positioning component comprises a single-point GPS module, and the single-point GPS module is connected with a GPS antenna and is connected with the processor through a UART interface.

The display unit includes an 8-inch high-definition display screen and is connected to the processor via RGB and TWI interfaces.

the audio output component comprises vehicle body loudspeaker output and AUX output, the audio input component comprises MIC audio input, and the audio output component and the audio input component are connected with the processor through PCM interfaces.

The processor adopts a full log T3 processor, four ARM Cortex-A7 cores and a main frequency of 1.2 GHz.

the memory comprises a DRAM (dynamic random access memory), adopts a DDR3 interface 2GB memory and loads an android 6.0 system.

The memory also includes on-board memory and expansion memory. The onboard memory is an 8G flash memory of an EMMC5.1 interface, the expansion memory is a microSD card, and the maximum support is 128G.

the display part includes an LCD panel and a touch panel. The LCD panel size is 8 inches, resolution is 800 x 600, and interface is RGB 888. Touch panel is 5 point touch control capacitance touch panel, and the interface is the IIC interface, uses more resistance touch panel more to accord with present user's operation custom on the industrial computer of comparing, and the high toughened glass that passes through that the panel adopted is also more clear more wear-resisting than traditional resistance touch panel.

The communication part comprises a mobile communication submodule and a wireless local area network communication submodule. The mobile communication sub-module supports 4G full-network communication and is accessed to the processor module through a high-speed USB2.0 interface. The wireless local area network communication sub-module comprises a WIFI module and is accessed into the processor module through the high-speed SDIO interface.

The image video acquisition component comprises 4 paths of 700-line CVBS video camera inputs in total, and comprises a camera for acquiring face information of a driver, a camera for acquiring action information of a copilot, a camera for acquiring information outside a vehicle and a camera for acquiring information inside the vehicle.

The satellite positioning component comprises a single-point GPS module, supports a GPS/GLONASS/Beidou positioning system, receives position positioning requests of one or more monitoring centers, uploads position information and supports uploading of the position information according to time intervals, distance intervals or external event triggering modes.

The control terminal is internally provided with a dual-channel 3W loudspeaker, a 3.5mm earphone output and an external microphone and is used for voice communication between a driver and a coach in the vehicle and a management center of a driving school and a supervision center of a vehicle management department.

the control terminal also comprises a peripheral interface, wherein the peripheral interface comprises but is not limited to an external interface module TF/SD card port, 3 USB interfaces, a SIM card interface, an Ethernet interface, 2 RS232 interfaces, a CAN interface, a 4G antenna interface and a GPS antenna interface.

In FIG. 1, SDIO is Secure Digital Input and Output, Secure Digital Input/Output interface;

UART: universal asynchronous Receiver/Transmitter, universal asynchronous Receiver/Transmitter interface;

TWI: two-wire Serial Interface;

PCM: pulse Code Modulation, Pulse Code Modulation interface;

TVIN: video input interface

composite video broadcast signal, composite synchronous video broadcast signal

as shown in fig. 2, the control terminal further includes a printed circuit board, the printed circuit board includes an ethernet control circuit, an EMMC circuit of an internal memory, a T3 processor and a DDR3 circuit, a power management circuit, an external interface control circuit, an RGB interface of an LCD and a matched driving circuit, an indicator light circuit and an interface of an apparatus, a USB-HUB circuit of an apparatus, an audio function circuit of an apparatus, a capacitive touch panel circuit, a backlight control circuit and an interface of an LCD screen, a TF expansion card interface, a single-point GPS circuit and an IPX antenna interface, a microsim card interface, a 4G communication module circuit and an IPX antenna interface, a WIFI module circuit, and a serial debug interface.

fig. 2 is a diagram of a printed circuit board assembly PCBA within the terminal, wherein the names of the components function as follows:

Ethernet controller circuit, provide PHY function of the apparatus;

An internal memory eMMC circuit part, a main memory of the device;

The T3 processor and DDR3 circuit part, CPU and DRAM of the device;

The power supply management circuit part manages various power supplies on the equipment in a unified way;

the power supply circuit part provides functions of reverse connection protection, overvoltage protection, overcurrent protection, TVS protection, EMI protection and the like, and a wide voltage input circuit supports 9-18 VDC input;

the external interface part comprises a power supply input, an ACC signal, an Ethernet interface, 4 paths of signal input and power supply output of the CVBS camera, 2 paths of RS232 serial interfaces, one path of CAN interface and 1 path of USB2.0 interface;

Seventhly, an external interface control circuit mainly comprises an RS232 serial interface and a CAN interface circuit;

RGB interface and assorted drive circuit of LCD;

ninthly, equipment indicator light circuits and interfaces;

an R device USB-HUB circuit for extending the USB interface;

⑪ USB interface 2 way of the side of the device;

⑫ audio function circuit and interface of the device, including the double track power amplifier circuit, the double track earphone output circuit and 1 way MIC input circuit;

⑬ capacitive touch panel interface providing touch panel power and TWI control bus;

⑭ backlight control circuit and interface for LCD screen;

⑮ TF card extension interface, maximum support to 128G;

⑯ single point GPS circuit and IPX antenna interface;

⑰ MicroSIM card interface for supporting full network communication;

⑱ 4G communication module circuit and IPX antenna interface;

⑲ WIFI module circuit, supporting complete IEEE 802.11 b/g/n standard;

⑳ serial debugging interface, reserve mode.

although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments and application fields, and the above-described embodiments are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.