CN105857080A - 具有指示器存在检测的车辆仪表板 - Google Patents

具有指示器存在检测的车辆仪表板 Download PDF

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CN105857080A
CN105857080A CN201610082403.4A CN201610082403A CN105857080A CN 105857080 A CN105857080 A CN 105857080A CN 201610082403 A CN201610082403 A CN 201610082403A CN 105857080 A CN105857080 A CN 105857080A
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indicator
light source
sensor
assembly
core
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CN105857080B (zh
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S·C·布莱克梅尔
S·A·里伯迪
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Aptiv Technologies Ltd
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Delphi Automotive Systems LLC
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    • B60—VEHICLES IN GENERAL
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    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/50—Instruments characterised by their means of attachment to or integration in the vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/22—Pointers, e.g. settable pointer
    • G01D13/26—Pointers, e.g. settable pointer adapted to perform a further operation, e.g. making electrical contact
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    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G01P1/11—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by the detection of the position of the indicator needle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/331—Electroluminescent elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/336—Light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
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    • B60K2360/68—Features of instruments
    • B60K2360/698—Pointers of combined instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

公开了一种具有指示器存在检测的车辆仪表板。车辆仪表板组件(10)包括光源(12)、指示器(16)和传感器(30)。该光源(12)被配置为从该组件(10)的显示表面(14)发射光。该指示器(16)放在该显示表面(14)的上面并且可绕轴线(18)移动到一角度(20)以指向该显示表面(14)上的标记(22)。该指示器(16)限定中心部分(24)和从该中心部分(24)延伸出的指针部分(26)。该中心部分(24)放在该光源(12)的上面且包括光导(28)，该光导(28)将光从该光源(12)引导到该指针部分(26)，由此照明该指针部分(26)。该传感器(30)邻近该中心部分(24)。该传感器(30)被配置为检测该指示器(16)存在，而不管该指示器(16)的角度(20)。

Description

具有指示器存在检测的车辆仪表板
技术领域
本公开总体上涉及一种车辆仪表板组件，更具体地涉及一种组件，其配置为检测该组件的指示器是否或何时从应安装该指示器的轴掉落。
背景技术
已知具有机械指示器的车辆仪表板组件。在一些示例中，示出指示器，且由位于该指示器下面的光源提供用于照明的光。如果指示器由于例如碰撞、不正确的维修或操作、或制造缺陷而掉落，那么光源可打扰车辆的操作者，或者可能干扰操作者在夜晚驾驶时看见道路的能力。
发明内容
根据一个实施例，提供了车辆仪表板组件。该组件包括光源、指示器和传感器。光源被配置为从组件的显示表面发射光。指示器放在显示表面的上面并且可绕轴线移动到一角度以指向显示表面上的标记。指示器限定了中心(hub)部分和从中心部分延伸出的指针部分。中心部分放在光源的上面且包括光导，该光导将光从光源引导到指针部分，从而照亮该指针部分。传感器邻近该中心部分。传感器被配置为检测指示器存在，而不管指示器的角度。
在阅读优选实施例的下列详细描述后，进一步的特征和优势将更清楚地呈现出，这些优选实施例仅作为非限定性的示例且结合附图而给出。
附图说明
现在将参考附图借助示例来描述本发明，在附图中：
图1是根据一个实施例的车辆仪表板组件的一部分的等距视图；以及
图2是根据一个实施例的操作图1的组件的方法的流程图。
具体实施方式
图1示出了车辆仪表板组件(下文称为组件10)的一部分的非限制性示例。此组件包括光源12，配置为从组件10的显示表面14发射光。即，出于一些原因，光源12不是用于照明显示表面14，而是发射向上且离开显示表面14的光，这些原因将在以下描述中变得显而易见。优选地，光源12是发光二极管(LED)，因为此类装置具有长工作寿命且不产生不必要的热量。然而，不要求光源12是LED，且可使用其他类型的光源，诸如白炽灯。光源12以及本文中描述的其他电子部件优选地安装在位于显示表面14下方的电路板40上。
组件10还包括指示器16，放在显示表面14的上面且可绕轴线18移动到角度20以指向显示表面14上的标记22。组件10可包括耦合到齿轮(未示出)的步进电动机(未示出)，此步进电动机包括对准轴线18的轴32，且指示器16安装在该轴32上。步进电动机可操作以用于绕轴线18旋转该指示器16以指示例如车辆的速度(未示出)，如将被本领域技术人员认识到。指示器16限定了中心部分24和从中心部分24延伸出的指针部分26。指示器16和光源12被安排成使得中心部分24放在光源12的上面，从而使得车辆的操作者(未示出)不可直接看见光源12。中心部分24包括光导28，光导28捕获并引导从光源12发射的光到指针部分26，由此照明了指针部分26。指针部分26和光导28优选地由可带颜色的透光聚合物形成，那么指针部分26显现期望的颜色。
组件10有利地包括邻近中心部分24的传感器30。传感器30通常被配置为检测指示器16存在，而不管指示器16的角度20。即，使用传感器30以确定指示器16是否从安装指示器16的轴32掉落。如果传感器30指示指示器16不存在，即指示器16没有位于期望它所在的地方，那么组件10被有利地配置为关闭光源12，从而从光源发射的光不打扰车辆的操作者或者干扰操作者在夜晚驾驶时看见道路的能力。应该认识到，传感器30能够确定指示器16存在，即正确地安装在轴32上，而不管指示器16的角度20。即，组件10不限于出于确认或校准指示器16的角位置控制的目的而确定指示器16取向于特定角度。
为了协调指示器16的存在的检测，组件10可包括电耦合到光源12和传感器30的控制器34。控制器34可包括处理器，诸如微处理器或其它控制电路，该其它控制电路诸如包括用于处理数据的专用集成电路(ASIC)的模拟和/或数字控制电路，如对本领域技术人员而言应当是显而易见的。控制器34可包括用于存储一个或多个例程、阈值和捕获的数据的存储器，包括非易失性存储器，诸如电可擦除可编程只读存储器(EEPROM)。处理器可执行一个或多个例程以执行一些步骤，这些步骤用于确定控制器34从传感器30接收的信号是否指示指示器16存在于轴32上，如在本文中描述。因此，控制器34可被配置为当传感器30指示指示器16不存在时关闭光源12，如在图2中示出。
中心部分24可包括平衡重物36，从而车辆运动不导致指示器16的角20波动。平衡重物36可有利地由磁性材料形成，从而使得中心部分24包括固定地耦合到指示器16的磁体38。因为，传感器30可被配置为检测磁体38接近传感器30，由此确定指示器16存在于轴32上。作为示例而非限制，传感器30可包括靠近中心部分24排列的多个霍尔(Hall)效应装置以检测磁体38的存在，而不管指示器16的角度20，如在图1中示出。
如果指示器的角度范围相对较窄，例如九十度角，那么仅可需要一个霍尔效应装置来形成传感器30。然而，如果指示器的角度范围例如为二百四十度或更大时，那么传感器30可需要三个或更多的霍尔效应装置以能够针对角20的所有可能值检测装备有磁体38的指示器16的存在。应该认识到，可存在由于磁体的尺寸的缘故不是全部的霍尔效应装置都指示磁体38存在的情况。即，控制器34可被配置为如果霍尔效应装置中的至少一个检测到磁体38则指示指示器16存在。
在可选实施例中，传感器30可以是光检测器，其与中心部分24中存在的特征合作以检测来自其中存在的光源12的光。例如，中心部分24的下侧的一部分可以是光反射性的以将光从光源12反射到传感器30中。
图2示出了操作图1所示的组件10的方法200的非限制性示例。
步骤210，“提供光源”，可包括将光源12安装到组件10中，使得由光源12发射的光向上投射远离显示表面14。此步骤还可包括安装指示器16，或者安装指示器16可以作为制造组件10的另一个步骤的一部分而完成。
步骤220，“提供传感器”，可包括安装适当的传感器，诸如本文中所述的一个或多个霍尔效应装置，如果指示器16包括磁体38的话。
控制器34可执行步骤230和240作为控制器34执行的较大程序的一部分以用于控制指示器16的角20，如将被本领域技术人员认识到。
步骤230，“指示器存在？”，可包括控制器34根据形成传感器30的装置的数量从传感器30接收一个或多个信号。根据传感器30和指示器16的配置，如果组成传感器30的装置中的一个或多个指示了指示器16存在，则控制器34就可确定指示器存在。换而言之，只有当组成传感器30的所有装置指示了指示器16不存在时，才可确定指示器16不存在。
步骤240，“关闭光源”，可包括控制器34操作开关(未示出)以中断至光源12的电力。
因此，提供了车辆仪表板组件(组件10)以及操作该组件10的方法200。组件10和方法200的特征提供了如果指示器16从轴32掉落则关闭光源12以防止打扰车辆的操作者和/或防止可能干扰操作者在夜晚驾驶时看见道路的能力。
尽管已针对其优选实施例对本发明进行了描述，然而本发明不旨在如此限制，而是仅受所附权利要求书中给出的范围限制。

Claims (4)

1.一种车辆仪表板组件(10)，所述组件(10)包含：
光源(12)，配置为从所述组件(10)的显示表面(14)发射光；
指示器(16)，放在所述显示表面(14)的上面并且可绕轴线(18)移动到一角度(20)以指向所述显示表面(14)上的标记(22)，其中所述指示器(16)限定了中心部分(24)和从所述中心部分(24)延伸出的指针部分(26)，其中所述中心部分(24)放在所述光源(12)的上面并且包括光导(28)，所述光导(28)将来自所述光源(12)的光引导到所述指针部分(26)，由此照明所述指针部分(26)；以及
传感器(30)，邻近所述中心部分(24)，所述传感器(30)被配置为检测所述指示器(16)存在，而不管所述指示器(16)的角度(20)。
2.如权利要求1所述的组件(10)，其特征在于，所述组件(10)包括电耦合到所述光源(12)和所述传感器(30)的控制器(34)，其中所述控制器(34)被配置为当所述传感器(30)指示所述指示器(16)不存在时关闭所述光源(12)。
3.如权利要求1所述的组件(10)，其特征在于，所述中心部分(24)包括固定地耦合到所述指示器(16)的磁体(38)，且所述传感器(30)被配置为检测所述磁体(38)靠近所述传感器(30)并由此确定所述指示器(16)存在。
4.如权利要求3所述的组件(10)，其特征在于，所述传感器(30)包括邻近所述中心部分(24)排列的多个霍尔效应装置以检测所述磁体(38)，而不管所述指示器(16)的角度(20)。
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