WO2020078037A1 - 一种汽车和oled自动泊车动态指示系统及方法 - Google Patents

一种汽车和oled自动泊车动态指示系统及方法 Download PDF

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Publication number
WO2020078037A1
WO2020078037A1 PCT/CN2019/093425 CN2019093425W WO2020078037A1 WO 2020078037 A1 WO2020078037 A1 WO 2020078037A1 CN 2019093425 W CN2019093425 W CN 2019093425W WO 2020078037 A1 WO2020078037 A1 WO 2020078037A1
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Prior art keywords
oled
automatic parking
dynamic indication
controller
signal
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PCT/CN2019/093425
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English (en)
French (fr)
Inventor
赵艺锋
周孟喜
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广州小鹏汽车科技有限公司
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Publication of WO2020078037A1 publication Critical patent/WO2020078037A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2696—Mounting of devices using LEDs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the invention relates to the field of intelligent vehicles, in particular to an automobile and OLED automatic parking dynamic indication system and method.
  • OLED organic light-emitting diodes
  • the lamps can be made into flexible, transparent and color temperature adjustable screens.
  • OLED light source has the advantages of transparency, bendability, surface light source and thinness. It is more user-friendly, thinner and lighter when applied to the rear position lamp of the car, and the appearance is more gorgeous, which can make the car contour fit better and have a larger design. space.
  • the position lights of the rear of the car still use LED light sources, which generally enable the body controller to output the position light control signal by inputting a signal, and then convert the position light control signal into a signal that drives the LED to light through the LED driver.
  • the logic of the method is simple and the function is single. It fails to combine the lighting process of the rear position lamp of the car with the actual driving situation of the vehicle and the application scenarios such as automatic parking.
  • the object of the present invention is to provide a car and OLED automatic parking dynamic indication system and method with rich functions, strong interactive experience and high intelligence.
  • An OLED automatic parking dynamic indication system including:
  • Automatic driving system used to output automatic parking signal
  • Body controller used to receive automatic parking signal and output position light control signal
  • OLED controller used to output multiple OLED chip driving signals according to the position light control signal and OLED dynamic effect signal
  • An OLED screen body which is used to respectively enable the OLED chips of the OLED screen body to perform automatic parking dynamic indication according to the plurality of OLED chip drive signals, wherein one OLED chip drive signal independently controls one OLED chip in the OLED screen body;
  • the output terminal of the automatic driving system is connected to the first input terminal of the OLED controller through the body controller, and the output terminal of the large-screen display system is connected to the second input terminal of the OLED controller. All output terminals are connected to the input terminal of the OLED screen.
  • the OLED screen body includes several OLED units, and each OLED unit includes an outer ring OLED sheet and an inner ring OLED sheet, and the size of the outer ring OLED sheet is larger than the size of the inner ring OLED sheet.
  • the OLED screen body includes an upper layer OLED sheet group and a lower layer OLED sheet group, and the upper layer OLED sheet group and the lower layer OLED sheet group each include 7 OLED units arranged in sequence.
  • An OLED automatic parking dynamic indication method includes the following steps:
  • the OLED controller is enabled to enter the automatic parking dynamic indication mode, thereby dynamically indicating the automatic parking process of the car.
  • the step of enabling the body controller to output the position light control signal according to the automatic parking signal sent by the automatic driving system specifically includes:
  • the body controller When the opening condition of the automatic parking dynamic indication mode is satisfied, the body controller is enabled to output the position light control signal according to the automatic parking signal sent by the automatic driving system.
  • the opening condition of the automatic parking dynamic indication mode is that the vehicle is in the starting state, The vehicle speed is less than 20km / h and requires automatic parking.
  • the step of enabling the OLED controller to enter the automatic parking dynamic indication mode according to the position light control signal and the output signal of the large-screen display system, so as to dynamically indicate the automatic parking process of the car specifically includes:
  • the OLED panel of the OLED screen controlled by the OLED controller is lit according to the lighting logic of the automatic parking dynamic indication mode
  • the OLED panel of the OLED screen is controlled by the OLED controller to turn off, and the automatic parking dynamic indication mode is exited.
  • step of lighting the OLED sheet of the OLED screen controlled by the OLED controller according to the lighting logic of the automatic parking dynamic indication mode specifically includes:
  • the OLED controller is used to control the OLED screen to perform several lighting operations until the exit condition of the automatic parking dynamic indication mode is triggered.
  • the lighting time interval between the two adjacent outer OLED sheets Is the first time
  • the lighting time interval between two adjacent inner OLED chips is the first time
  • the lighting time of the inner OLED chip in the same OLED unit is later than the lighting time of the outer OLED chip .
  • the exit condition of the automatic parking dynamic indication mode includes any one of the following three conditions: the automatic parking signal output of the automatic driving system is zero; the large-screen display system sends the dynamic mode signal to the OLED controller to 1 or ⁇ The signal value of 5; the vehicle speed signal is zero or the vehicle speed is greater than 20km / h.
  • An OLED automatic parking dynamic indication system including:
  • At least one memory for storing programs
  • At least one processor for executing the program to implement the OLED automatic parking dynamic indication method.
  • An automobile includes an automobile rear position light, and the automobile rear position light includes the OLED automatic parking dynamic indication system.
  • the present invention provides an automobile and OLED automatic parking dynamic indication system and method, which uses an OLED chip as a vehicle position light, and combines the position light control signal and the output signal of the large screen display system to enable OLED control
  • the device enters the automatic parking dynamic indication mode, which can enable the OLED controller to drive the OLED panel of the OLED screen for automatic parking dynamic indication when the vehicle is automatically parked, which has more functions and enhances the interactive experience between people and cars. , More intelligent.
  • FIG. 1 is a structural block diagram of an OLED automatic parking dynamic indication system provided by an embodiment of the present invention
  • Figure 2 is a block diagram of the control structure of the existing vehicle rear position light
  • FIG. 3 is a schematic structural diagram of an OLED screen according to an embodiment of the present invention.
  • FIG. 5 is a specific implementation flowchart of an OLED automatic parking dynamic indication solution provided by a preferred embodiment of the present invention.
  • an OLED automatic parking dynamic indication system includes:
  • Automatic driving system used to output automatic parking signal
  • Body controller used to receive automatic parking signal and output position light control signal
  • OLED controller used to output multiple OLED chip driving signals according to the position light control signal and OLED dynamic effect signal
  • An OLED screen body which is used to respectively enable automatic parking dynamic indication of the OLED chips of the OLED screen body according to the driving signals of the plurality of OLED chips, wherein one OLED chip drive signal independently controls one OLED chip in the OLED screen body;
  • the output terminal of the automatic driving system is connected to the first input terminal of the OLED controller through the body controller, and the output terminal of the large-screen display system is connected to the second input terminal of the OLED controller. All output terminals are connected to the input terminal of the OLED screen.
  • the position lights of the rear of the car still use LED particle light sources.
  • the position lights of the rear of the automobile will adopt the LED grouping mode. By arranging the groups regularly, different changes in the shape of the position lights can be achieved.
  • the LED particle light source has limited luminous brightness. When there is no aluminum reflector and other condensing parts and the number of LEDs is small, it is difficult for the rear position lamp of the car to meet the lighting requirements of laws and regulations, so it adopts a simple control method in control. as shown in picture 2.
  • K is the position light switch. As shown in FIG.
  • the tail light LED driver converts the position light control signal into a signal that can drive all the LED light emitting units in the LED group.
  • the logic of this control method is relatively simple. It can only control the LED group as a whole, and cannot independently control each LED light-emitting unit in the LED group. It has a single function and is not intelligent enough.
  • the OLED light-emitting screen can be used to replace the LED particle light source.
  • the OLED light source is used to solve the problem of uneven light emission of the LED light source.
  • the OLED does not generate heat, and the reflection structure is not required to ensure the lighting effect, saving production heat
  • the process cost of the light guide structure simplifies the structural design and assembly of the lamp, improves the plasticity of the lamp, and greatly enriches the shape of the body, making the shape of the lamp more flexible.
  • the automatic driving system of this embodiment will output automatic parking
  • the signal is sent to the body controller, and then the body controller outputs a position light control signal to the OLED controller to activate the OLED controller.
  • the OLED controller adopts a multi-output structure, which is driven separately for each OLED light-emitting chip, which can control each OLED chip to light independently, and can also achieve brightness adjustment and rich functions.
  • the large-screen display system of this embodiment may be connected to the OLED controller through the CAN bus, and send the OLED dynamic effect signal to the OLED controller.
  • the OLED controller of this embodiment will also drive each OLED panel of the OLED screen in combination with the OLED dynamic effect signal to light up according to the lighting logic of the automatic parking dynamic indication mode to achieve the purpose of automatic parking dynamic indication ,
  • the function is more abundant, and the interaction experience between people and cars is enhanced, and the degree of intelligence is higher.
  • the OLED screen body includes several OLED units, and each OLED unit includes an outer ring OLED sheet and an inner ring OLED sheet, and the size of the outer ring OLED sheet is larger than the size of the inner ring OLED sheet.
  • the OLED screen body includes several OLED units, and each OLED unit includes an outer ring OLED sheet and an inner ring OLED sheet, which can enrich the OLED sheet combination of the OLED screen body, which is more flexible and diversified.
  • the OLED screen includes an upper OLED sheet group and a lower OLED sheet group, and the upper OLED sheet group and the lower OLED sheet group each include 7 OLED units arranged in sequence.
  • the OLED screen may include two layers: an upper OLED sheet group and a lower OLED sheet group.
  • the upper OLED sheet group and the lower OLED sheet group may each be composed of 7 sequentially connected OLED units, and each OLED unit includes an outer ring OLED Sheet and inner ring OLED sheet.
  • SW1 and SN1 are the outer OLED chip and inner OLED chip of the first OLED unit, SW2 and SN2, respectively They are the outer OLED and inner OLED sheets of the second OLED unit, SW3 and SN3 are the outer OLED and inner OLED sheets of the third OLED unit, and SW4 and SN4 are the fourth OLED unit respectively.
  • Outer ring OLED sheet and inner ring OLED sheet, SW5 and SN5 are the outer ring OLED sheet and inner ring OLED sheet of the fifth OLED unit, SW6 and SN6 are the outer ring OLED sheet and inner ring OLED sheet of the sixth OLED unit, respectively.
  • the SW7 and SN7 are the outer OLED and inner OLED of the seventh OLED unit, respectively.
  • XW1 and XN1 are the outer OLED sheet and inner OLED sheet of the first OLED unit
  • XW2 and XN2 are the first
  • the outer ring OLED sheet and inner ring OLED sheet of the two OLED units XW3 and XN3 are the outer ring OLED sheet and inner ring OLED sheet of the third OLED unit
  • XW4 and XN4 are the outer ring OLED sheet of the fourth OLED unit, respectively
  • XW5 and XN5 are the outer ring OLED sheet and inner ring OLED sheet of the fifth OLED unit
  • XW6 and XN6 are the outer ring OLED sheet and inner ring OLED sheet of the sixth OLED unit
  • XW7 And XN7 are the outer OLED sheet and inner OLED sheet of the seventh OLED unit, respectively.
  • the outer ring OLED sheet and the inner ring OLED sheet of the present invention may adopt the structure shown in
  • this embodiment also provides an OLED automatic parking dynamic indication method, including the following steps:
  • this embodiment may output an automatic parking signal to the body controller through the automatic driving system, enable the body controller to output a position light control signal to the OLED controller, and activate the OLED controller.
  • each OLED panel of the OLED screen body can be driven according to the lighting logic of the automatic parking dynamic indication mode in combination with the OLED dynamic effect signal of the large screen display system to achieve the purpose of automatic parking dynamic indication ,
  • the function is more abundant, and the interaction experience between people and cars is enhanced, and the degree of intelligence is higher.
  • the step of enabling the body controller to output the position light control signal according to the automatic parking signal sent by the automatic driving system specifically includes:
  • the body controller When the opening condition of the automatic parking dynamic indication mode is satisfied, the body controller is enabled to output the position light control signal according to the automatic parking signal sent by the automatic driving system.
  • the opening condition of the automatic parking dynamic indication mode is that the vehicle is in the starting state, The vehicle speed is less than 20km / h and requires automatic parking.
  • the step of enabling the OLED controller to enter the automatic parking dynamic indication mode according to the position light control signal and the output signal of the large-screen display system, thereby dynamically indicating the automatic parking process of the car includes:
  • the OLED panel of the OLED screen controlled by the OLED controller is lit according to the lighting logic of the automatic parking dynamic indication mode
  • the OLED panel of the OLED screen is controlled by the OLED controller to turn off, and the automatic parking dynamic indication mode is exited.
  • the OLED sheets of the OLED screen are all kept off.
  • the step of lighting the OLED panel of the OLED screen controlled by the OLED controller according to the lighting logic of the automatic parking dynamic indication mode specifically includes:
  • the OLED controller is used to control the OLED screen to perform several lighting operations until the exit condition of the automatic parking dynamic indication mode is triggered.
  • the lighting time interval between the two adjacent outer OLED sheets Is the first time
  • the lighting time interval between two adjacent inner OLED chips is the first time
  • the lighting time of the inner OLED chip in the same OLED unit is later than the lighting time of the outer OLED chip .
  • the first time may be 0.14 s and the second time may be 0.1 s.
  • the automatic parking is performed during a lighting operation (that is, an “action”)
  • the lighting logic of the vehicle dynamic indicator mode is as follows:
  • the first group (ie, 0s) is the upper outer ring OLED sheet SW1 and the lower outer ring OLED Sheet XW1 lights up, after an interval of 0.1 seconds (ie 0.1s) the upper inner ring OLED sheet SN1 and the lower inner ring OLED sheet XN1 light up ⁇
  • the second group (ie 0.14s) is the upper outer ring OLED
  • the third group (ie 0.28s) is the upper outer ring OLED sheet SW3 and the lower outer ring OLED sheet group XW3 lights up, after an interval of 0.1 seconds (ie 0.38s) the upper layer inner ring OLED Sheet SN3 and the lower inner OLED sheet XN3 light up ⁇
  • the fourth group (ie
  • Each group of OLED The lighting time of the film is 0.14 seconds, and the seven groups of film groups take 0.98 seconds from lighting to performing the entire action.
  • the seventh group lights up to extinction, and then the first group lights up, with no gaps in between.
  • the above lighting operation is executed cyclically during automatic parking until the automatic driving system recognizes that the car has successfully parked and issues a parking signal. After receiving the parking signal, the OLED controller automatically turns off the dynamic mode of self-parking.
  • the outer ring OLEDs of two adjacent OLED units The on-off interval of the film is 0.14 seconds, the on-off interval of the inner OLED film is also 0.14 seconds, but the lighting time of the inner OLED chip in the same OLED unit is more than that of the outer ring group OLED
  • the delay of the piece is 0.1 seconds.
  • the exit condition of the automatic parking dynamic indication mode includes any one of the following three conditions: the automatic parking signal output of the automatic driving system is zero; the large-screen display system sends the dynamic mode to the OLED controller The signal is a signal value of 1 or ⁇ 5; the vehicle speed signal is zero or the vehicle speed is greater than 20km / h.
  • the specific implementation process of the OLED automatic parking dynamic indication method in this specific embodiment is as follows:
  • step b) Determine whether the large-screen display system broadcasts the parking space and the instrument displays the word "p" (representing entering the parking gear), if it is, then perform the next step c), otherwise, return to step a);
  • step d) Determine whether the vehicle is in the power-off state of the whole vehicle, if yes, perform the next step e), otherwise, return to step c);
  • step f Determine whether the vehicle is powered on, the meter displays the ready state and the double-flashing lights continue to flash, if it is, go to step g), otherwise, return to step e);
  • step h Determine whether the vehicle automatically completes the steering, braking, throttle and gear control, automatic parking and storage and the OLED rear position light is continuously displayed according to the automatic parking dynamic display mode, if it is, then perform step i); otherwise, return to the step g);
  • the large screen display system displays "Parking completed", the vehicle is parked, the entire vehicle is powered off, and the vehicle is automatically locked; at the same time, the OLED rear position light turns off the automatic parking dynamic display mode.
  • an embodiment of the present invention also provides an OLED automatic parking dynamic indication system, including:
  • At least one memory for storing programs
  • At least one processor for executing the program to implement the OLED automatic parking dynamic indication method described in FIG. 4.
  • an embodiment of the present invention further provides an automobile, including an automobile rear position light, and the automobile rear position light includes the OLED automatic parking dynamic indication system.
  • the present invention applies OLED light-emitting sheet based on OLED technology as the rear position light of the car, and combines with other signals of the car, and integrates the automatic parking dynamic indication algorithm to propose a new car and OLED automatic parking dynamic indication system And method, not only can each OLED chip of the OLED chip group be independently controlled, but also through the OLED automatic parking dynamic indication method based on the automatic parking dynamic indication algorithm, the interaction experience between people and cars is increased, which is more intelligent and Humanize.

Abstract

一种汽车和OLED自动泊车动态指示系统及方法，方法包括：根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号；根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示。采用了OLED片作为汽车位置灯，并结合位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，能在车辆自动泊车时使能OLED控制器来驱动OLED屏体的OLED片进行自动泊车动态指示。

Description

一种汽车和OLED自动泊车动态指示系统及方法
技术领域
本发明涉及智能汽车领域，尤其是一种汽车和OLED自动泊车动态指示系统及方法。
背景技术
目前，车辆照明技术从过去的卤素灯光源发展到LED光源，亮度及可靠性都已实现大的突破。有机发光二极管（OLED）开发面世之后，由于OLED材料及结构的特殊性，使照明灯可制备成柔性、透明和色温可调的屏体。OLED光源具有可透明、可弯曲、面光源和薄型化等优势，应用于汽车尾部位置灯时更加人性化，更加轻薄，外观更加绚丽，可以让汽车轮廓更好地贴合，具有更大的设计空间。
目前的汽车尾部位置灯仍较多采用LED光源，其一般通过输入一个信号使能车身控制器输出位置灯控制信号，再经LED驱动器将位置灯控制信号转化为驱动LED点亮的信号，这种方式逻辑简单，功能单一，未能将汽车尾部位置灯点亮过程与车辆实际驾驶情况和自动泊车等应用场景相结合，人与汽车的交互体验感不强，智能化程度不高。
发明内容
为解决上述技术问题，本发明的目的在于：提供一种功能丰富、交互体验感强以及智能化程度高的汽车和OLED自动泊车动态指示系统及方法。
本发明一方面所采取的技术方案是：
一种OLED自动泊车动态指示系统，包括：
自动驾驶系统，用于输出自动泊车信号；
车身控制器，用于接收自动泊车信号并输出位置灯控制信号；
大屏显示系统，用于输出OLED动态效果信号；
OLED控制器，用于根据位置灯控制信号和OLED动态效果信号输出多个OLED片驱动信号；
OLED屏体，用于根据所述多个OLED片驱动信号分别使能OLED屏体的OLED片进行自动泊车动态指示，其中，一个OLED片驱动信号独立控制OLED屏体中的一片OLED片；
所述自动驾驶系统的输出端通过车身控制器进而与OLED控制器的第一输入端连接，所述大屏显示系统的输出端与OLED控制器的第二输入端连接，所述OLED控制器的所有输出端均与OLED屏体的输入端连接。
进一步，所述OLED屏体包括若干个OLED单元，每个OLED单元包括外圈OLED片和内圈OLED片，所述外圈OLED片的尺寸大于内圈OLED片的尺寸。
进一步，所述OLED屏体包括上层OLED片组和下层OLED片组，所述上层OLED片组和下层OLED片组各包括7个依次排列的OLED单元。
本发明另一方面所采取的技术方案是：
一种OLED自动泊车动态指示方法，包括以下步骤：
根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号；
根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示。
进一步，所述根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号这一步骤，具体为：
当满足自动泊车动态指示模式开启条件时，根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号，所述自动泊车动态指示模式开启条件为车辆处于启动状态、车速小于20km/h且需要自动泊车。
进一步，所述根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示这一步骤，具体包括：
通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮；
通过OLED控制器控制OLED屏体的OLED片熄灭，退出自动泊车动态指示模式。
进一步，所述通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮这一步骤，具体为：
通过OLED控制器控制OLED屏体循环执行若干次点亮操作直至自动泊车动态指示模式退出条件被触发，其中执行一次点亮操作的过程中，相邻两个外圈OLED片间的点亮时间间隔为第一时间，相邻两个内圈OLED片间的点亮时间间隔为第一时间，同一个OLED单元中内圈OLED片的点亮时间比外圈OLED片的点亮时间晚第二时间。
进一步，所述自动泊车动态指示模式退出条件包括以下3个条件中的任一个：自动驾驶系统的自动泊车信号输出为零；大屏显示系统给OLED控制器发送动态模式信号为1或者≠5的信号值；车速信号为零或者车速大于20km/h。
本发明另一方面所采取的技术方案是：
一种OLED自动泊车动态指示系统，包括：
至少一个存储器，用于存储程序；
至少一个处理器，用于执行所述程序以实现所述的OLED自动泊车动态指示方法。
本发明另一方面所采取的技术方案是：
一种汽车，包括汽车尾部位置灯，所述汽车尾部位置灯包括所述的OLED自动泊车动态指示系统。
本发明的有益效果是：本发明一种汽车和OLED自动泊车动态指示系统及方法，采用了OLED片作为汽车位置灯，并结合位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，能在车辆自动泊车时使能OLED控制器来驱动OLED屏体的OLED片进行自动泊车动态指示，功能更丰富，且增强了人与汽车的交互体验感，智能化程度更高。
附图说明
图1为本发明实施例提供的OLED自动泊车动态指示系统的结构框图；
图2为现有汽车尾部位置灯的控制结构框图；
图3为本发明实施例OLED屏体的一种结构示意图；
图4为本发明实施例提供的OLED自动泊车动态指示方法的整体流程图；
图5为本发明优选实施例提供的OLED自动泊车动态指示方案的具体实现流程图。
具体实施方式
下面结合附图和具体实施例对本发明做进一步的详细说明。对于以下实施例中的步骤编号，其仅为了便于阐述说明而设置，对步骤之间的顺序不做任何限定，实施例中的各步骤的执行顺序均可根据本领域技术人员的理解来进行适应性调整。
参照图1，一种OLED自动泊车动态指示系统，包括：
自动驾驶系统，用于输出自动泊车信号；
车身控制器，用于接收自动泊车信号并输出位置灯控制信号；
大屏显示系统，用于输出OLED动态效果信号；
OLED控制器，用于根据位置灯控制信号和OLED动态效果信号输出多个OLED片驱动信号；
OLED屏体，用于根据所述多个OLED片驱动信号分别使能OLED屏体的OLED片进行自动泊车动态指示，其中，一个OLED片驱动信号独立控制OLED屏体中的一片OLED片；
所述自动驾驶系统的输出端通过车身控制器进而与OLED控制器的第一输入端连接，所述大屏显示系统的输出端与OLED控制器的第二输入端连接，所述OLED控制器的所有输出端均与OLED屏体的输入端连接。
目前的汽车尾部位置灯仍较多采用LED颗粒光源。为了满足法律法规对汽车尾灯发光的要求，汽车尾部位置灯会采用LED组列方式，通过一定规律的排布组列，可以实现位置灯造型的不同变化。但是LED颗粒光源的发光亮度有限，在没有布置铝制反射网等聚光零件且LED数量较少时，汽车尾部位置灯很难达到法律法规的发光要求，所以其在控制上采用简单控制方式，如图2所示。图2中，K为位置灯开关。如图2所示，该简单控制方式当车身控制器BCM输出位置灯控制信号后，尾灯LED驱动器将位置灯控制信号转化为可驱动LED组列中所有LED发光单元的信号。然而这种控制方式的逻辑较为简单，只能对LED组列进行整体控制，无法对LED组列中的每个LED发光单元进行独立控制，功能单一，不够智能化。
为此，可以使用OLED发光屏片来取代LED颗粒光源，通过采用OLED光源解决了LED光源发光不均匀问题，加上OLED不发热的特性，也不需要反射结构来保证灯光效果，节省了制作散热及导光结构的工艺成本，简化了车灯的结构设计及组装环节，提高了车灯的可塑性，同时大大丰富了车身的造型，使得车灯造型更加灵活。
如图1所示，当车辆处于启动状态且车速小于20km/h时，若车辆启动自动泊车动态指示模式（即需要自动泊车），此时本实施例的自动驾驶系统会输出自动泊车信号给车身控制器，之后车身控制器会给OLED控制器输出位置灯控制信号，激活OLED控制器。OLED控制器采用了多输出的结构，针对每一个OLED发光片有单独驱动，可实现控制每个OLED片单独点亮，同时也能实现亮度的调节，功能丰富。本实施例的大屏显示系统可通过CAN总线与OLED控制器连接，将OLED动态效果信号发送给OLED控制器。本实施例OLED控制器在被激活后还将结合OLED动态效果信号驱动OLED屏体的每一个OLED片按照自动泊车动态指示模式的点亮逻辑进行点亮，以达到自动泊车动态指示的目的，功能更丰富，且增强了人与汽车的交互体验感，智能化程度更高。
进一步作为优选的实施方式，所述OLED屏体包括若干个OLED单元，每个OLED单元包括外圈OLED片和内圈OLED片，所述外圈OLED片的尺寸大于内圈OLED片的尺寸。
具体地，OLED屏体包括若干个OLED单元，每个OLED单元包括外圈OLED片和内圈OLED片，能丰富OLED屏体的OLED片组合方式，更加灵活和多样化。
进一步作为优选的实施方式，所述OLED屏体包括上层OLED片组和下层OLED片组，所述上层OLED片组和下层OLED片组各包括7个依次排列的OLED单元。
具体地，OLED屏体可包括上层OLED片组和下层OLED片组共两层，上层OLED片组和下层OLED片组各可由7个依次连接的OLED单元组成，每个OLED单元均包括外圈OLED片和内圈OLED片。如图3所示，以左尾灯为例，上层OLED片组中，按从左往右的顺序，SW1和SN1分别为第一个OLED单元的外圈OLED片和内圈OLED片，SW2和SN2分别为第二个OLED单元的外圈OLED片和内圈OLED片，SW3和SN3分别为第三个OLED单元的外圈OLED片和内圈OLED片，SW4和SN4分别为第四个OLED单元的外圈OLED片和内圈OLED片，SW5和SN5分别为第五个OLED单元的外圈OLED片和内圈OLED片，SW6和SN6分别为第六个OLED单元的外圈OLED片和内圈OLED片，SW7和SN7分别为第七个OLED单元的外圈OLED片和内圈OLED片。同理，如图3所示，下层OLED片组中，按从左往右的顺序，XW1和XN1分别为第一个OLED单元的外圈OLED片和内圈OLED片，XW2和XN2分别为第二个OLED单元的外圈OLED片和内圈OLED片，XW3和XN3分别为第三个OLED单元的外圈OLED片和内圈OLED片，XW4和XN4分别为第四个OLED单元的外圈OLED片和内圈OLED片，XW5和XN5分别为第五个OLED单元的外圈OLED片和内圈OLED片，XW6和XN6分别为第六个OLED单元的外圈OLED片和内圈OLED片，XW7和XN7分别为第七个OLED单元的外圈OLED片和内圈OLED片。本发明的外圈OLED片和内圈OLED片可采用图3所示的结构或其他结构。
参照图4，本实施例还提供了一种OLED自动泊车动态指示方法，包括以下步骤：
S200、根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号；
S201、根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示。
具体地，在需要自动泊车时，本实施例可通过自动驾驶系统输出自动泊车信号给车身控制器，使能车身控制器输出位置灯控制信号给OLED控制器，激活OLED控制器。OLED控制器激活后，可结合大屏显示系统的OLED动态效果信号驱动OLED屏体的每一个OLED片按照自动泊车动态指示模式的点亮逻辑进行点亮，以达到自动泊车动态指示的目的，功能更丰富，且增强了人与汽车的交互体验感，智能化程度更高。
进一步作为优选的实施方式，所述根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号这一步骤，具体为：
当满足自动泊车动态指示模式开启条件时，根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号，所述自动泊车动态指示模式开启条件为车辆处于启动状态、车速小于20km/h且需要自动泊车。
进一步作为优选的实施方式，所述根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示这一步骤，具体包括：
通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮；
通过OLED控制器控制OLED屏体的OLED片熄灭，退出自动泊车动态指示模式。
具体地，本实施例在进入自动泊车动态指示模式之前和退出自动泊车动态指示模式之后， OLED屏体的OLED片都保持全熄灭状态。
进一步作为优选的实施方式，所述通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮这一步骤，具体为：
通过OLED控制器控制OLED屏体循环执行若干次点亮操作直至自动泊车动态指示模式退出条件被触发，其中执行一次点亮操作的过程中，相邻两个外圈OLED片间的点亮时间间隔为第一时间，相邻两个内圈OLED片间的点亮时间间隔为第一时间，同一个OLED单元中内圈OLED片的点亮时间比外圈OLED片的点亮时间晚第二时间。
具体地，第一时间可为0.14s，第二时间可为0.1s，以OLED屏体为图3所示的结构为例，执行一次点亮操作（即一次“动作”）的过程中自动泊车动态指示模式的点亮逻辑如下：
第一组（即0s）为上层的外圈OLED 片SW1和下层的外圈OLED 片XW1点亮，间隔0.1秒后（即0.1s）上层的内圈OLED 片SN1和下层的内圈OLED 片XN1点亮→第二组（即0.14s）为上层的外圈OLED 片组SW2和下层的外圈OLED 片组XW2点亮，间隔0.1秒后（即0.24s）上层的内圈OLED 片SN2和下层的内圈OLED 组XN2点亮→第三组（即0.28s）为上层的外圈OLED 片SW3和下层的外圈OLED 片组XW3点亮，间隔0.1秒后（即0.38s）上层的内圈OLED 片SN3和下层的内圈OLED 片XN3点亮→第四组（即0.42s）为上层的外圈OLED 片SW4和下层的外圈OLED 片XW4点亮，间隔0.1秒后（即0.52s）上层的内圈OLED 片SN4和下层的内圈OLED 片XN4点亮→第五组（即0.7s）为上层的外圈OLED 片SW5和下层的外圈OLED 片XW5点亮，间隔0.1秒后（即0.80s）上层的内圈OLED 片SN5和下层的内圈OLED 片组XN5点亮→第六组（即0.84s）为上层的外圈OLED 片组SW6和下层的外圈OLED 片组XW6点亮，间隔0.1秒后（即0.9s）上层的内圈OLED 片SN6和下层的内圈OLED 片XN6点亮→第七组（即0.98s）为上层的外圈OLED 片SW7和下层的外圈OLED 片XW7点亮，间隔0.1秒后（即1.08s）上层的内圈OLED 片组SN7和下层的内圈OLED 片组XN7点亮。每一组OLED 片的点亮时间均为0.14秒，这七组片组从点亮到执行完整个动作共需0.98秒，第七组点亮至熄灭后紧接着第一组点亮，中间无间隔。以上点亮操作在自动泊车期间一直循环执行，直至自动驾驶系统识别到车子泊车成功并发出驻车信号，OLED控制器接收驻车信号后自行关闭自行泊车动态模式。
从上述逻辑可以看出，在上层OLED片组或下层OLED片组中，相邻两个OLED单元的外圈OLED 片的亮灭间隔0.14秒，内圈OLED 片的亮灭间隔同样为0.14秒，但同一个OLED单元中内圈OLED 片的点亮时间较外圈组OLED 片的延迟0.1秒。
进一步作为优选的实施方式，所述自动泊车动态指示模式退出条件包括以下3个条件中的任一个：自动驾驶系统的自动泊车信号输出为零；大屏显示系统给OLED控制器发送动态模式信号为1或者≠5的信号值；车速信号为零或者车速大于20km/h。
如图5所示，本具体实施例的OLED自动泊车动态指示方法具体实现过程如下：
a）保持0.5-1.5m的横向距离，以小于20km/h的速度，从距离车辆尾部3m以上的距离从停车位右侧笔直行驶过停车位；
b）判断是否大屏显示系统语音播报车位且仪表显示“p”字（代表进入停车挡），若是则执行下一步骤c），反之，则返回步骤a）；
c）驻车，离开车位并关好车门，单击钥匙中键；
d）判断车辆是否处于整车下电状态，若是则执行下一步骤e），反之，则返回步骤c）；
e）长按智能钥匙中键，启动自动驾驶模式；
f）判断是否车辆已上电，仪表显示ready（准备好）状态且双闪灯持续闪烁，若是，则执行步骤g），反之，则返回步骤e）；
g）双击智能钥匙前进键进入全自动泊车功能；
h）判断是否车辆自动完成转向、刹车、油门和档位控制，自动泊车入库且OLED尾部位置灯按自动泊车动态显示模式持续显示，若是，则执行步骤i）；反之，则返回步骤g）；
i）大屏显示系统显示“泊车已完成”，车辆驻车，整车下电，自动锁车；同时OLED尾部位置灯关闭自动泊车动态显示模式。
与图4的方法相对应，本发明实施例还提供了一种OLED自动泊车动态指示系统，包括：
至少一个存储器，用于存储程序；
至少一个处理器，用于执行所述程序以实现图4所述的OLED自动泊车动态指示方法。
上述图4所示的方法实施例中的内容均适用于本系统实施例，本系统实施例所具体实现的功能与上述方法实施例相同，并且达到的有益效果与上述方法实施例所达到的有益效果也相同。
与图4的方法相对应，本发明实施例还提供了一种汽车，包括汽车尾部位置灯，所述汽车尾部位置灯包括所述的OLED自动泊车动态指示系统。
综上所述，本发明应用了基于OLED技术的OLED发光片作为汽车尾部位置灯，并结合汽车其他信号，融合自动泊车动态指示算法提出了一种新的汽车和OLED自动泊车动态指示系统及方法，不仅能对OLED片组的每个OLED片进行独立控制，而且通过基于自动泊车动态指示算法的OLED自动泊车动态指示方式，增加了人与汽车的交互体验感，更加智能化和人性化。
以上是对本发明的较佳实施进行了具体说明，但本发明并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可做作出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (10)

  1. 一种OLED自动泊车动态指示系统，其特征在于：包括：
    自动驾驶系统，用于输出自动泊车信号；
    车身控制器，用于接收自动泊车信号并输出位置灯控制信号；
    大屏显示系统，用于输出OLED动态效果信号；
    OLED控制器，用于根据位置灯控制信号和OLED动态效果信号输出多个OLED片驱动信号；
    OLED屏体，用于根据所述多个OLED片驱动信号分别使能OLED屏体的OLED片进行自动泊车动态指示，其中，一个OLED片驱动信号独立控制OLED屏体中的一片OLED片；
    所述自动驾驶系统的输出端通过车身控制器进而与OLED控制器的第一输入端连接，所述大屏显示系统的输出端与OLED控制器的第二输入端连接，所述OLED控制器的所有输出端均与OLED屏体的输入端连接。
  2. 根据权利要求1所述的一种OLED自动泊车动态指示系统，其特征在于：所述OLED屏体包括若干个OLED单元，每个OLED单元包括外圈OLED片和内圈OLED片，所述外圈OLED片的尺寸大于内圈OLED片的尺寸。
  3. 根据权利要求2所述的一种OLED自动泊车动态指示系统，其特征在于：所述OLED屏体包括上层OLED片组和下层OLED片组，所述上层OLED片组和下层OLED片组各包括7个依次排列的OLED单元。
  4. 一种OLED自动泊车动态指示方法，其特征在于：包括以下步骤：
    根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号；
    根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示。
  5. 根据权利要求4所述的一种OLED自动泊车动态指示方法，其特征在于：所述根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号这一步骤，具体为：
    当满足自动泊车动态指示模式开启条件时，根据自动驾驶系统发送的自动泊车信号，使能车身控制器输出位置灯控制信号，所述自动泊车动态指示模式开启条件为车辆处于启动状态、车速小于20km/h且需要自动泊车。
  6. 根据权利要求4所述的一种OLED自动泊车动态指示方法，其特征在于：所述根据位置灯控制信号和大屏显示系统的输出信号使能OLED控制器进入自动泊车动态指示模式，从而对汽车的自动泊车过程进行动态指示这一步骤，具体包括：
    通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮；
    通过OLED控制器控制OLED屏体的OLED片熄灭，退出自动泊车动态指示模式。
  7. 根据权利要求6所述的一种OLED自动泊车动态指示方法，其特征在于：所述通过OLED控制器控制OLED屏体的OLED片按自动泊车动态指示模式的点亮逻辑进行点亮这一步骤，具体为：
    通过OLED控制器控制OLED屏体循环执行若干次点亮操作直至自动泊车动态指示模式退出条件被触发，其中执行一次点亮操作的过程中，相邻两个外圈OLED片间的点亮时间间隔为第一时间，相邻两个内圈OLED片间的点亮时间间隔为第一时间，同一个OLED单元中内圈OLED片的点亮时间比外圈OLED片的点亮时间晚第二时间。
  8. 根据权利要求7所述的一种OLED自动泊车动态指示方法，其特征在于：所述自动泊车动态指示模式退出条件包括以下3个条件中的任一个：自动驾驶系统的自动泊车信号输出为零；大屏显示系统给OLED控制器发送动态模式信号为1或者≠5的信号值；车速信号为零或者车速大于20km/h。
  9. 一种OLED自动泊车动态指示系统，其特征在于：包括：
    至少一个存储器，用于存储程序；
    至少一个处理器，用于执行所述程序以实现如权利要求4-8任一项所述的OLED自动泊车动态指示方法。
  10. 一种汽车，包括汽车尾部位置灯，其特征在于：所述汽车尾部位置灯包括权利要求9所述的OLED自动泊车动态指示系统。
PCT/CN2019/093425 2018-10-19 2019-06-28 一种汽车和oled自动泊车动态指示系统及方法 WO2020078037A1 (zh)

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