CN203705055U - 热像仪 - Google Patents

热像仪 Download PDF

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CN203705055U
CN203705055U CN201290000504.8U CN201290000504U CN203705055U CN 203705055 U CN203705055 U CN 203705055U CN 201290000504 U CN201290000504 U CN 201290000504U CN 203705055 U CN203705055 U CN 203705055U
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lens barrel
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E·H·阮
R·D·奈策尔
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Milwaukee Electric Tool Corp
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/0205Mechanical elements; Supports for optical elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/0265Handheld, portable
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02Constructional details
    • G01J5/04Casings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/11Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/54Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

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  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
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Abstract

热像仪,包括限定腔的壳体。透镜镜筒具有第一端部和第二端部。透镜镜筒至少部分地布置在腔内。透镜耦合到透镜镜筒第一端部。弹性缓冲构件支承腔内的透镜镜筒。热传感器耦合到透镜镜筒第二端。处理模块从热传感器接收信号。显示器耦合到处理模块以用于显示场景的温度特征。

Description

热像仪
相关申请的交叉引用
本申请要求于2011年3月15日提交的美国临时专利申请号61/452778的优先权,该临时专利申请的内容通过引用并入本文。
技术领域
本实用新型涉及便携式电子成像设备,例如热像仪。
背景技术
热像仪是探测并显示场景的温度特征的热探测设备。热像仪由各种工业中的专业人员使用来评估在热像仪的视场(“FOV”)内的物体的温度。这样的设备可在各种环境中使用,并可能受到粗率的处理或甚至掉落在硬表面上。
发明内容
在一个实施方式中,本实用新型提供了手持式热像仪。该热像仪包括限定腔的壳体。透镜镜筒具有第一端部和第二端部。透镜镜筒至少部分地布置在腔内。透镜耦合到透镜镜筒第一端部。弹性缓冲构件支承腔内的透镜镜筒。热传感器耦合到透镜镜筒第二端。处理模块从热传感器接收信号。显示器耦合到处理模块以用于显示场景的温度特征。
在另一实施方式中,本实用新型提供了成像设备。该成像设备包括具有第一壳体构件和第二壳体构件的壳体组件。第一壳体构件和第二壳体构件限定腔。透镜镜筒具有第一端和第二端。透镜镜筒至少部分地布置在腔中。弹性缓冲构件包括环形主体和至少一个径向延伸构件。环形主体环状地布置在第一端和第二端之间的透镜镜筒周围。径向延伸构件耦合到壳体组件以支承腔内的透镜镜筒。透镜耦合到透镜镜筒第一端。热传感器弹性地耦合到透镜镜筒第二端并大体上由第一壳体构件而不是第二壳体构件支承。
通过考虑详细描述和附图,本实用新型的其它方面将变得明显。
附图说明
图1是根据本实用新型的一个方面的热像仪的透视图。
图2是图1的热像仪的另一透视图。
图3是图1的热像仪的探测器组件的透视图。
图4是具有在分解图中示出的碰撞缓冲特征的图1的热像仪的一部分的横截面视图。
图5是具有在分解图中示出的另一碰撞缓冲特征的图1的热像仪的一部分的剖面透视图。
图6是图1的热像仪的一部分的剖面透视图。
图7是图1的热像仪的一部分的另一剖面透视图。
图8是图1的热像仪的电池组的透视图。
具体实施方式
在详细解释本实用新型的任何实施方式之前,应理解,本实用新型在其应用中不限于在下面的描述中阐述或在下面的附图中示出的部件的结构和布置的细节。本实用新型能够具有其它实施方式,且能够以各种方式被实践或实现。
图1和2示出热像仪10。热像仪10包括壳体12。壳体12包括右半壳体14和左半壳体16,腔18(图5和6)由右半壳体14和左半壳体16限定。
参考图1和图2,壳体12包括手柄部分20、触发器部分22、透镜部分24、用户输入部分26和显示部分28。手柄部分20限定用于接纳电池组32的电池组插座30。分别地,显示部分28包括视觉显示器34,而用户输入部分包括一个或多个用户输入设备36(例如,按钮)。
减震器38耦合到壳体12。减震器38由弹性材料(例如橡胶或合成橡胶)共成型(co-molding)或二次注塑(over-molding)形成。一旦热像仪10落下到或碰撞到硬表面上时,减震器38可以用来增加碰撞时间。在所示实施方式中,减震器38包围壳体12的透镜部分24、显示部分28和边缘40。额外的弹性材料在手柄部分18上形成握持表面42。减震器38可通过共成型过程耦合到壳体12,或它们可分开地形成并通过机械、热或粘合手段附接到壳体12。
图3示出热像仪10的探测器组件44。探测器组件44除了别的以外还包括透镜镜筒46、热传感器48和布置在透镜镜筒46之下的视觉摄像机50。视觉摄像机50由用于保护的透明塑料护罩52覆盖(见图1)。在一些实施方式中,LED工作灯可合并到相邻于视觉摄像机的热探测器组件中。
参考图3,透镜镜筒46包括具有第一端56和第二端58的圆柱形主体54。环形槽60被限定在第一端56和第二端58之间的透镜镜筒46的圆柱形主体54中。现在参考图5,弹性缓冲环64布置在透镜镜筒46的环形槽60内。弹性缓冲环64包括上径向延伸构件66和下径向延伸构件68。延伸构件66和68是弹性缓冲环64耦合到壳体12的唯一部分。弹性延伸构件66和68由此支承壳体12内的透镜镜筒46,同时大体上减小从壳体12传递传递到透镜镜筒46的碰撞力。
如在图5的分解图中示出的,弹性缓冲环64包括多个周向布置的齿70。当安装在环形槽60中时,齿70配合在环形槽60中形成的相应的凹槽72内部。齿70和凹槽72的布置设置成最小化透镜镜筒46相对于壳体12的旋转。
参考图4的热像仪10的横截面视图,探测器组件44的光学器件包括固定的内部透镜74和可调节的非球面透镜76。透镜74和76由例如玻璃、石英玻璃、萤石、塑料、丙烯酸、锗等制成。内部透镜74容纳在透镜镜筒46内。非球面透镜76是手动可调节的,用于经由从热像仪10(见图1和图2)的外部可接近的聚焦环78聚焦。聚焦环78可旋转地耦合到透镜镜筒46。聚焦环78可由弹性材料例如橡胶或合成橡胶形成,以大体上减小传递到传递透镜镜筒46的碰撞力。参考图2,透镜盖80选择性地耦合到聚焦环78。透镜盖80包括弹性部分或完全由弹性材料形成,以便大体上减小传递到探测器组件44的撞击力。
参考图3,探测器组件44的热传感器48是例如160像素乘120像素(即,160x120)非致冷微辐射计。微辐射计产生相应于160像素宽和120像素长的热图像的信号。微辐射计的每个像素提供具有在大约2%内的准确度的温度测量。热传感器48对热和温度变化是高度敏感的。为了适当地补偿这个敏感性,额外的传感器可用于测量由内部和外部热源引起的温度波动。
柔性电路电缆82将热传感器48和视觉摄像机50电连接到包括印刷电路板组件(PCBA)84的处理模块。柔性电路电缆82通过最小化传递到探测器组件44内的连接器触头和焊接接头的机械震动来给探测器组件44提供提高的耐碰撞性。
也如图4所示的,多个橡胶垫圈84安装在透镜镜筒46和热传感器48之间。这些垫圈84的一种配置在分解图中示出。如在图7中最好地示出的,四个垫圈84相对于耦合到透镜镜筒46的端板86对称地布置。然而在其它实施方式中,可使用更多或更少的垫圈。垫圈84配置成大体上减小从透镜镜筒46传递到热传感器48的碰撞力。
参考图6和图7,探测器组件44耦合到大体上刚性的安装板88。安装板88又转而耦合到壳体12。更具体地,安装板88经由多个螺纹紧固件90耦合到壳体12的右半壳体14,螺纹紧固件90与在壳体12的右半部分14中形成的孔92啮合。螺纹紧固件90可以例如是帽或按钮头螺钉。弹性垫片可布置在螺纹紧固件和安装板之间以提供一定程度的耐碰撞性。
参考图4,视觉显示器34包括覆盖下面的电子显示器96的外部显示透镜94。电子显示器96可以例如是液晶显示器(“LCD”)、发光二极管(“LED”)显示器、有机LED(“OLED”)显示器、电致发光显示器(“ELD”)、表面传导-电子发射体显示器(“SED”)、场发射显示器(“FED”)等。在一些实施方式中,电子显示器96是3.5”薄膜晶体管(“TFT”)LCD。在其它实施方式中,电子显示器96是有源矩阵有机发光二极体(“AMOLED”)显示器。
弹性衬垫98布置在外部显示透镜94和电子显示器96之间。弹性垫衬垫98大体上减小从外部显示透镜46传递到下面的LCD面板48的碰撞力。如在分解图中示出的,弹性衬垫98具有匹配电子显示器96和显示透镜94的剖面的矩形剖面100。弹性衬垫98可由微孔聚氨酯例如或其他弹性材料形成。柔性框架构件102内部地支承电子显示器96。
参考图8,电池组32包括外壳104、耦合到外壳104的外部壳体106和布置在外壳104内的多个单体电池(未示出)。外壳104被成形和依尺寸制造成与热像仪10中的插座30啮合。外壳104包括大体上围住外壳104内的单体电池的端帽108。所示的端帽108包括配置成与热像仪10的相应电源端子配合的两个电源端子110。在其它实施方式中,端帽108可包括从电池组32延伸并配置被接纳在由热像仪10支承的插座中的端子。端子耦合到电池电路(未示出)。
当电池组32位于插座30中时(图1和图2),外壳104和电源端子110大体上围住并覆盖热像仪10的端子。也就是说,电池组32用作了插座30的盖和热像仪10的端子。一旦电池组32从热像仪10断开且外壳104从插座30移除,热像仪10上的电池端子就大致上暴露于周围环境。
参考图8,外部壳体106耦合到大体上与端帽108相对的外壳104并围绕外壳104的一部分。在所示的结构中,当外壳104插入或位于热像仪10中的相应插座30中时,外部壳体106大体上与手柄部分18的外表面对齐(图1-图2)。在这个结构中,外部壳体106设计成大体上遵循手柄部分18的轮廓和大致形状。在这样的实施方式中,外部壳体106有效地增加(例如,延伸)热探测设备10的手柄部分18的长度。
参考图8,两个操动器112(只示出其中一个)和两个翼片114在电池组32的外部壳体106中形成。操动器112和翼片114限定用于可释放地将电池组32固定到热像仪10的耦合机构116。每个翼片114啮合在热像仪10的插座30中形成的相应凹槽以将电池组32固定在适当的位置。基于形成外部壳体106的材料的弹性,翼片114通常从外壳104偏离开(即,远离彼此)。启动(例如,按下)操动器112将翼片114移向外壳104(即,朝着彼此)并与凹槽脱离啮合,使得电池组32可从插座30拉出并远离热像仪10。
电池组32还配置成连接额外的设备并向额外的设备提供功率,这些额外的设备例如是钻头、锯、注油枪、直角钻头、割管机、激光器、机动扳手、冲击式扳手、往复锯、检查摄像机、无线电装置、工作灯、螺丝起子、壁式扫描仪、红外温度计、钳表、数字万用表、叉表、多刀工具、研磨机、带锯、缕花锯、圆锯、电锤、发电机、真空吸尘器等。
因此,本实用新型除了别的以外还提供具有提高的耐碰撞性特征的热像仪。在下面的权利要求中阐述了本实用新型的各种特征和优点。

Claims (20)

1.一种手持式热像仪,其特征在于,包括:
壳体,其限定腔;
透镜镜筒,其具有第一端部和第二端部,所述透镜镜筒至少部分地布置在所述腔内;
透镜,其耦合到所述透镜镜筒第一端部;
弹性缓冲构件,其支承所述腔内的所述透镜镜筒;
热传感器,其耦合到所述透镜镜筒第二端;
处理模块,其从所述热传感器接收信号;以及
显示器,其耦合到所述处理模块以用于显示场景的温度特征。
2.如权利要求1所述的手持式热像仪,其特征在于,还包括耦合到外部壳体的至少一个弹性减震器构件。
3.如权利要求1所述的手持式热像仪,其特征在于,其中所述弹性减震器构件包括环形主体。
4.如权利要求3所述的手持式热像仪,其特征在于,其中所述外部壳体和透镜镜筒中的至少一个限定用于接纳所述弹性缓冲构件的一部分的环形槽。
5.如权利要求4所述的手持式热像仪,其特征在于,其中所述环形主体限定齿部分,且其中所述环形槽限定用于接纳所述齿部分的凹槽。
6.如权利要求1所述的手持式热像仪,其特征在于,其中所述弹性缓冲构件包括第一径向延伸构件和第二径向延伸构件。
7.如权利要求6所述的手持式热像仪,其特征在于,其中所述透镜镜筒大体上由所述第一径向延伸构件和所述第二径向延伸构件支承在所述壳体内。
8.如权利要求1所述的手持式热像仪,其特征在于,其中所述透镜镜筒第二端弹性地耦合到所述热传感器。
9.如权利要求8所述的手持式热像仪,其特征在于,还包括布置在所述透镜镜筒第二端和所述热像仪之间的至少一个弹性连接构件。
10.如权利要求9所述的手持式热像仪,其特征在于,其中所述弹性连接构件包括多个弹性垫圈。
11.如权利要求1所述的手持式热像仪,其特征在于,其中所述热传感器大体上刚性地耦合到所述壳体。
12.如权利要求1所述的手持式热像仪,其特征在于,其中所述热传感器经由柔性电缆耦合到所述处理模块。
13.如权利要求1所述的手持式热像仪,其特征在于,其中所述显示器包括显示面板和显示透镜,所述显示透镜通过弹性衬垫构件与所述显示面板分离。
14.如权利要求1所述的手持式热像仪,其特征在于,还包括视觉摄像机组件。
15.如权利要求1所述的手持式热像仪,其特征在于,其中所述壳体包括手柄部分,所述手柄部分限定电池插座。
16.如权利要求15所述的手持式热像仪,其特征在于,还包括至少部分地由所述电池插座接纳的电动工具电池组。
17.如权利要求1所述的手持式热像仪,其特征在于,还包括耦合到所述透镜的弹性聚焦环。
18.如权利要求17所述的手持式热像仪,其特征在于,还包括选择性地耦合到所述聚焦环的透镜盖,所述透镜盖包括弹性部分。
19.如权利要求1所述的手持式热像仪,其特征在于,其中所述壳体包括第一壳体构件和第二壳体构件,所述第一壳体构件和所述第二壳体构件连接以限定所述腔,所述热传感器耦合到所述第一壳体构件而不是所述第二壳体构件。
20.一种成像设备,其特征在于,包括:
壳体组件,其包括第一壳体构件和第二壳体构件,所述第一壳体构件和第二壳体构件限定腔;
透镜镜筒,其具有第一端和第二端,所述透镜镜筒至少部分地布置在所述腔中;
弹性缓冲构件,其包括环形主体和至少一个径向延伸构件,所述环形主体环状地布置在所述第一端和所述第二端之间的所述透镜镜筒周围,所述径向延伸构件耦合到所述壳体组件以支承所述腔内的所述透镜镜筒;
透镜,其耦合到所述透镜镜筒第一端;
热传感器,其弹性地耦合到所述透镜镜筒第二端并大体上由所述第一壳体构件而不是所述第二壳体构件支承。
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