WO2017124691A1 - Novel drive recorder - Google Patents
Novel drive recorder Download PDFInfo
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- WO2017124691A1 WO2017124691A1 PCT/CN2016/086341 CN2016086341W WO2017124691A1 WO 2017124691 A1 WO2017124691 A1 WO 2017124691A1 CN 2016086341 W CN2016086341 W CN 2016086341W WO 2017124691 A1 WO2017124691 A1 WO 2017124691A1
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- unit
- power supply
- image sensor
- driving recorder
- main control
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
Definitions
- the invention particularly relates to a novel driving recorder.
- An object of the present invention is to provide a novel driving recorder for solving the above disadvantages.
- a novel driving recorder comprising an image sensor unit, an image reading unit, a liquid crystal panel unit, a main control unit, a GPS unit, a storage unit, a clock unit and a power supply unit, an image sensor unit, an image reading unit, a liquid crystal screen unit,
- the GPS unit, the storage unit and the clock unit are electrically connected to the main control unit, respectively, and the power supply unit supplies power to the entire recorder.
- the image sensor unit includes a front sensor unit and a rear sensor unit, both of which use an OV7670 image sensor.
- the image reading unit uses an AL422 chip.
- the main control unit uses STM32F103RBT6 microcontroller chip.
- the storage unit uses a MicroSD card.
- the power unit uses a lithium battery power supply.
- the liquid crystal panel unit includes an LCD unit and a touch screen unit.
- the invention has the following beneficial effects:
- the invention has reasonable design, convenient use and high cost performance.
- the SD card is used for storing data, has high reliability and anti-interference ability, and is separately powered by a lithium battery, which improves the portability of the system, has high cost performance, and has a good application prospect. .
- Figure 1 is a schematic view of the overall structure of the present invention
- FIG. 2 is a circuit diagram of a main control unit of the present invention
- FIG. 3 is a circuit diagram of an LCD unit of the present invention.
- FIG. 4 is a circuit diagram of a touch screen of the present invention.
- Figure 5 is a circuit diagram of a front sensor unit of the present invention.
- FIG. 6 is a circuit diagram of a rear sensor unit of the present invention.
- Figure 7 is a circuit diagram of a memory unit of the present invention.
- FIG. 8 is a circuit diagram of a GPS unit of the present invention.
- a new type of driving recorder includes an image sensor unit 1, an image reading unit 2, a liquid crystal panel unit 3, a main control unit 4, a GPS unit 5, a storage unit 6, a clock unit 7, and a power supply unit.
- the image sensor unit 1, the image reading unit 2, the liquid crystal panel unit 3, the GPS unit 5, the storage unit 6, and the clock unit 7 are electrically connected to the main control unit 4, respectively, and the power supply unit supplies power to the entire recorder.
- the image sensor unit includes a front sensor unit and a rear sensor unit, both of which use an OV7670 image sensor.
- the image reading unit uses an AL422 chip.
- the main control unit uses STM32F103RBT6 microcontroller chip.
- the storage unit uses a MicroSD card.
- the power unit uses a lithium battery power supply.
- the liquid crystal panel unit includes an LCD unit and a touch screen unit.
- the LCD panel unit through the main control unit and the LCD screen for data communication, the content and data to be displayed are transmitted to the TFT LCD screen through the signal line for display.
- the LCD control driver is the ILI9325.
- Image sensor unit SDA and SCL in OV7670 are the data and clock pins of SCCB bus, respectively.
- VSYNC and HREF are the frame synchronization and line synchronization signals of the module respectively.
- PCLK is the pixel clock
- the camera clock is 24MHz
- the pixel clock provided by the three-way is 8MHz
- XCLK is the 8MHz system clock
- D0-D7 is the 8-bit parallel data bit, and is output to the memory AL422B DI0-DI7, and then
- the AL422B output data FIFO_DO_FIFO_D7 drives the TFT LCD screen.
- SD_CS is the chip select pin of the MicroSD card, connected to the PBO interface of the MCU.
- SPI1_M0SI is the SPI data input pin, which is connected to the MOSI pin of the SPI1 bus of the MCU.
- SPI1_MISO is the data output pin of the SPI bus. It is connected to the MISO pin of the STM32 SPI1 bus.
- SPI1_SCK is the SPI clock pin that connects to the SCK pin of the SPI bus of the receiver.
- the larger SD card is a 9-pin package.
- the 9th pin is the SD pin and is internally connected to GND.
- the MCU reads from the pin to a high level (using the MCU pull-up input, or Add a pull-up resistor to the outside. Once the SD card is inserted, this pin goes low. This function is used to detect if the SD card is inserted.
- GPS unit five terminals, VCC, TX, RX, STANDBY and GND.
- the RX pin is the information receiving pin of the module, and the user can change the GPS wave through this pin configuration.
- USB interface 1-4 corresponds to GPS VCC (red), TX (green), STANDBY (white), GND (black).
- the system power supply can be supplied by the vehicle 24V power supply through the power conversion module buck output.
- the system also reserves the 5V lithium battery power interface, and then converts it to 3.3V output through LDO for system use.
- the system is powered by a lithium battery for added portability.
- OV7670 image sensor provides all functions of single-chip VGA camera and image processor, output 8bit
- the RGB data is placed in the FIFO (AL422), and the data read by the AL422 directly drives the TFT to display the image in real time. For the photographed data, it is stored in the .BMP format through the SPI bus to the MicroSD card, and the user can browse and view the stored photos through the TFT touch.
- the GPS unit can obtain navigation and positioning information such as current time, latitude and longitude, search star number and navigation speed.
- the RTC clock uses a special 32768 crystal oscillator to provide the driver with a clock calendar function, while providing a time basis for reminding fatigue driving and taking pictures.
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Abstract
A novel drive recorder, comprising an image sensor unit (1), an image reading unit (2), a liquid crystal screen unit (3), a main control unit (4), a GPS unit (5), a storage unit (6), a clock unit (7) and a power supply unit, wherein the image sensor unit (1), the image reading unit (2), the liquid crystal screen unit (3), the GPS unit (5), the storage unit (6) and the clock unit (7) are electrically connected to the main control unit (4) respectively, and the power supply unit supplies power to the whole recorder. By using an SD card to store data, the reliability and the anti-interference capability are relatively high; and by using a lithium battery to separately supply power, the portable ability of a system is improved, and the price-performance ratio is high.
Description
本发明具体涉及一种新型行车记录仪。 The invention particularly relates to a novel driving recorder.
当今时代,智能交通逐渐被人们所重视,而行车记录仪作为其中不可或缺的一部分也开始备受关注。目前国内汽车行车记录仪的生产厂家有很多。然而目前大部分普通车主对行车记录仪的认识还只停留在防碰瓷的需求层面,且由于行车记录仪价格昂贵,用户市场认知度不高。由于目前市场大部分行车记录仪功能较为单一,而部分行车记录仪功能冗余且价格昂贵,不便于推广应用。
In today's era, intelligent transportation has gradually been valued by people, and the driving recorder has become an indispensable part of it. At present, there are many manufacturers of automobile driving recorders in China. However, most of the current car owners' understanding of the driving recorder only stays at the demand level of anti-collision porcelain, and because the driving recorder is expensive, the user market awareness is not high. Since most of the driving recorders in the market are relatively simple in function, some driving recorders are redundant and expensive, and are not convenient for promotion and application.
本发明的目的是为解决上述不足,提供一种新型行车记录仪。 SUMMARY OF THE INVENTION An object of the present invention is to provide a novel driving recorder for solving the above disadvantages.
本发明的目的是通过以下技术方案实现的:The object of the invention is achieved by the following technical solutions:
一种新型行车记录仪,包括图像传感器单元、图像读取单元、液晶屏单元、主控单元、GPS单元、存储单元、时钟单元和电源单元,图像传感器单元、图像读取单元、液晶屏单元、GPS单元、存储单元和时钟单元分别电连接主控单元,电源单元给整个记录仪供电。A novel driving recorder, comprising an image sensor unit, an image reading unit, a liquid crystal panel unit, a main control unit, a GPS unit, a storage unit, a clock unit and a power supply unit, an image sensor unit, an image reading unit, a liquid crystal screen unit, The GPS unit, the storage unit and the clock unit are electrically connected to the main control unit, respectively, and the power supply unit supplies power to the entire recorder.
图像传感器单元包括前置传感器单元和后置传感器单元,都采用OV7670图像传感器。The image sensor unit includes a front sensor unit and a rear sensor unit, both of which use an OV7670 image sensor.
图像读取单元采用AL422芯片。The image reading unit uses an AL422 chip.
主控单元采用STM32F103RBT6单片机芯片。The main control unit uses STM32F103RBT6 microcontroller chip.
存储单元采用MicroSD卡。The storage unit uses a MicroSD card.
电源单元采用锂电池电源。The power unit uses a lithium battery power supply.
液晶屏单元包括LCD单元和触摸屏单元。The liquid crystal panel unit includes an LCD unit and a touch screen unit.
本发明具有如下有益的效果:
本发明设计合理,使用方便,性价比高,采用SD卡存储数据,具备较高的可靠性及抗干扰能力,采用锂电池单独供电,提高了系统的便携能力,性价比高,有很好的应用前景。The invention has the following beneficial effects:
The invention has reasonable design, convenient use and high cost performance. The SD card is used for storing data, has high reliability and anti-interference ability, and is separately powered by a lithium battery, which improves the portability of the system, has high cost performance, and has a good application prospect. .
图1为本发明的整体结构示意图;Figure 1 is a schematic view of the overall structure of the present invention;
图2为本发明的主控单元电路图;2 is a circuit diagram of a main control unit of the present invention;
图3为本发明的LCD单元电路图;3 is a circuit diagram of an LCD unit of the present invention;
图4为本发明的触摸屏电路图;4 is a circuit diagram of a touch screen of the present invention;
图5为本发明的前置传感器单元电路图;Figure 5 is a circuit diagram of a front sensor unit of the present invention;
图6为本发明的后置传感器单元电路图;Figure 6 is a circuit diagram of a rear sensor unit of the present invention;
图7为本发明的存储单元电路图;Figure 7 is a circuit diagram of a memory unit of the present invention;
图8为本发明的GPS单元电路图。Figure 8 is a circuit diagram of a GPS unit of the present invention.
下面结合附图对本发明作进一步的说明:The present invention will be further described below in conjunction with the accompanying drawings:
如图1所示,一种新型行车记录仪,包括图像传感器单元1、图像读取单元2、液晶屏单元3、主控单元4、GPS单元5、存储单元6、时钟单元7和电源单元,图像传感器单元1、图像读取单元2、液晶屏单元3、GPS单元5、存储单元6和时钟单元7分别电连接主控单元4,电源单元给整个记录仪供电。As shown in FIG. 1, a new type of driving recorder includes an image sensor unit 1, an image reading unit 2, a liquid crystal panel unit 3, a main control unit 4, a GPS unit 5, a storage unit 6, a clock unit 7, and a power supply unit. The image sensor unit 1, the image reading unit 2, the liquid crystal panel unit 3, the GPS unit 5, the storage unit 6, and the clock unit 7 are electrically connected to the main control unit 4, respectively, and the power supply unit supplies power to the entire recorder.
图像传感器单元包括前置传感器单元和后置传感器单元,都采用OV7670图像传感器。The image sensor unit includes a front sensor unit and a rear sensor unit, both of which use an OV7670 image sensor.
图像读取单元采用AL422芯片。The image reading unit uses an AL422 chip.
主控单元采用STM32F103RBT6单片机芯片。The main control unit uses STM32F103RBT6 microcontroller chip.
存储单元采用MicroSD卡。The storage unit uses a MicroSD card.
电源单元采用锂电池电源。The power unit uses a lithium battery power supply.
液晶屏单元包括LCD单元和触摸屏单元。The liquid crystal panel unit includes an LCD unit and a touch screen unit.
液晶屏单元:通过主控单元与液晶屏进行数据通讯,将需要显示的内容及数据,通过信号线传输至TFT液晶屏进行显示。液晶屏控制驱动器为ILI9325。LCD panel unit: through the main control unit and the LCD screen for data communication, the content and data to be displayed are transmitted to the TFT LCD screen through the signal line for display. The LCD control driver is the ILI9325.
图像传感器单元:OV7670中SDA和SCL分别为SCCB总线的数据与时钟引脚,VSYNC和HREF分别是模块的巾贞同步和行同步信号,每采集一顿图像需刷屏320*240个像素点,PCLK为像素时钟,摄像头时钟为24MHz,经三分频提供的像素时钟为8MHz,XCLK是为8MHz的系统时钟,D0-D7为8位并行数据位,输出至存储器AL422B的DI0-DI7,再由AL422B输出数据FIFO_DO_FIFO_D7驱动TFT液晶屏。Image sensor unit: SDA and SCL in OV7670 are the data and clock pins of SCCB bus, respectively. VSYNC and HREF are the frame synchronization and line synchronization signals of the module respectively. Each time a picture is acquired, 320*240 pixels are required to be screened. PCLK is the pixel clock, the camera clock is 24MHz, the pixel clock provided by the three-way is 8MHz, XCLK is the 8MHz system clock, D0-D7 is the 8-bit parallel data bit, and is output to the memory AL422B DI0-DI7, and then The AL422B output data FIFO_DO_FIFO_D7 drives the TFT LCD screen.
存储单元:SD_CS为MicroSD卡的片选脚,连接到MCU的PBO接口,MCU设置SD_CS为低电平时,SD卡使能有效。SPI1_M0SI为SPI数据输入引脚,连接MCU的SPI1总线的MOSI管脚,单片机从此管脚读取SD卡内的数据。SPI1_MISO为SPI总线的数据输出脚,连接STM32的SPI1总线的MISO管脚,中-片机通过此引脚向SD卡内写入数据。SPI1_SCK为SPI时钟脚,连接承片机SPI总线的SCK管脚。较大的SD卡为9脚封装,其第9脚为SD管脚,内部连接到GND,当SD插座尚未插入SD卡时,单片机从此管脚读到高电平(使用单片机上拉输入,或在外部增加一个上拉电阻),一旦插入SD卡,则此引脚变为低电平,该功能用来检测SD卡是否插入。Storage unit: SD_CS is the chip select pin of the MicroSD card, connected to the PBO interface of the MCU. When the MCU sets SD_CS to low level, the SD card is enabled. SPI1_M0SI is the SPI data input pin, which is connected to the MOSI pin of the SPI1 bus of the MCU. The MCU reads the data in the SD card from this pin. SPI1_MISO is the data output pin of the SPI bus. It is connected to the MISO pin of the STM32 SPI1 bus. The mid-chip machine writes data to the SD card through this pin. SPI1_SCK is the SPI clock pin that connects to the SCK pin of the SPI bus of the receiver. The larger SD card is a 9-pin package. The 9th pin is the SD pin and is internally connected to GND. When the SD socket has not been inserted into the SD card, the MCU reads from the pin to a high level (using the MCU pull-up input, or Add a pull-up resistor to the outside. Once the SD card is inserted, this pin goes low. This function is used to detect if the SD card is inserted.
GPS单元:五个引出端,分别为VCC,TX,RX,
STANDBY和GND。其中RX脚为该模块信息接收引脚,用户可通过此引脚配置更改GPS波GPS unit: five terminals, VCC, TX, RX,
STANDBY and GND. The RX pin is the information receiving pin of the module, and the user can change the GPS wave through this pin configuration.
特率、数据位、校验位、工作模式等。本课题采用GPS模块的默认设置,波特率为9600bps,工作电压为3.3V:t0.3V,则RX引脚悬空。STANDBY引脚为待机引脚,当STANDBY引脚悬空或接地时,TX无数据输出,GPS模块处于待机模式;当STANDBY引脚置高,GPS处于正常工作模式,TX输出数据。为方便硬件连接,采用USB线作为连接线。USB接口1-4分别对应于GPS的VCC(红),TX
(绿),STANDBY (白),GND (黑)。Rate, data bit, check digit, working mode, etc. This topic uses the default setting of the GPS module, the baud rate is 9600bps, the working voltage is 3.3V: t0.3V, then the RX pin is left floating. The STANDBY pin is a standby pin. When the STANDBY pin is left floating or grounded, TX has no data output, and the GPS module is in standby mode. When the STANDBY pin is set high, the GPS is in normal working mode, and TX outputs data. To facilitate hardware connection, a USB cable is used as the connection cable. USB interface 1-4 corresponds to GPS VCC (red), TX
(green), STANDBY (white), GND (black).
工作原理:系统电源可由车载24V电源经电源转换模块降压输出供给,同时系统还预留了5V锂电池电源接口,然后经LDO转换为3.3V输出,供系统使用。系统采用锂电池供电,增加便携性。OV7670图像传感器提供单片VGA摄像头和影像处理器的所有功能,输出8bit
RGB数据放入FIFO(AL422),再由AL422读出的数据直接驱动TFT,实时显示图像。对于拍照的数据,则以.BMP的格式,通过SPI总线存储至MicroSD卡内,用户可以通过TFT触摸来浏览查看拍摄存储的照片。GPS单元则可以获取当前的时间,,经纬度,搜星数及航行速度等导航定位信息。RTC时钟采用特殊的32768晶振,给驾驶员提供时钟日历的功能,同时给提醒疲劳驾驶及拍照提供时间依据。Working principle: The system power supply can be supplied by the vehicle 24V power supply through the power conversion module buck output. At the same time, the system also reserves the 5V lithium battery power interface, and then converts it to 3.3V output through LDO for system use. The system is powered by a lithium battery for added portability. OV7670 image sensor provides all functions of single-chip VGA camera and image processor, output 8bit
The RGB data is placed in the FIFO (AL422), and the data read by the AL422 directly drives the TFT to display the image in real time. For the photographed data, it is stored in the .BMP format through the SPI bus to the MicroSD card, and the user can browse and view the stored photos through the TFT touch. The GPS unit can obtain navigation and positioning information such as current time, latitude and longitude, search star number and navigation speed. The RTC clock uses a special 32768 crystal oscillator to provide the driver with a clock calendar function, while providing a time basis for reminding fatigue driving and taking pictures.
Claims (7)
- 一种新型行车记录仪,包括图像传感器单元、图像读取单元、液晶屏单元、主控单元、GPS单元、存储单元、时钟单元和电源单元,其特征在于:图像传感器单元、图像读取单元、液晶屏单元、GPS单元、存储单元和时钟单元分别电连接主控单元,电源单元给整个记录仪供电。 A novel driving recorder, comprising an image sensor unit, an image reading unit, a liquid crystal panel unit, a main control unit, a GPS unit, a storage unit, a clock unit and a power supply unit, characterized in that: an image sensor unit, an image reading unit, The LCD unit, the GPS unit, the storage unit and the clock unit are electrically connected to the main control unit, respectively, and the power supply unit supplies power to the entire recorder.
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的图像传感器单元包括前置传感器单元和后置传感器单元,都采用OV7670图像传感器。A novel driving recorder according to claim 1, wherein said image sensor unit comprises a front sensor unit and a rear sensor unit, both of which employ an OV7670 image sensor.
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的图像读取单元采用AL422芯片。A novel driving recorder according to claim 1, wherein said image reading unit employs an AL422 chip.
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的主控单元采用STM32F103RBT6单片机芯片。A novel driving recorder according to claim 1, wherein said main control unit adopts STM32F103RBT6 single chip.
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的存储单元采用MicroSD卡。A novel driving recorder according to claim 1, wherein said storage unit uses a MicroSD card.
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的电源单元采用锂电池电源A novel driving recorder according to claim 1, wherein said power supply unit uses a lithium battery power supply
- 根据权利要求1所述的一种新型行车记录仪,其特征在于:所述的液晶屏单元包括LCD单元和触摸屏单元。 A novel driving recorder according to claim 1, wherein said liquid crystal panel unit comprises an LCD unit and a touch screen unit.
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CN201620047488.8 | 2016-01-19 | ||
CN201620047488.8U CN205486340U (en) | 2016-01-19 | 2016-01-19 | Novel automobile data recorder |
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CN108959115A (en) * | 2018-05-22 | 2018-12-07 | 长沙金信诺防务技术有限公司 | Digital data recording system and recording method based on floated detection sonar |
CN108959115B (en) * | 2018-05-22 | 2023-03-24 | 长沙金信诺防务技术有限公司 | Data recording system and recording method based on suspended detection sonar |
CN108664426A (en) * | 2018-05-24 | 2018-10-16 | 广东好帮手环球科技有限公司 | A kind of multifunction bus data capture recorder |
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