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    • 2. 发明申请
    • Rotary Encoder
    • US20210190177A1
    • 2021-06-24
    • US17124983
    • 2020-12-17
    • SICK STEGMANN GmbH
    • Sebastian SüßDavid Hopp
    • F16H1/22G01D5/14
    • In order to enable improved correct determination of an angular position of a shaft, a rotary encoder (1) is provided, comprising the shaft (W) connected to and drivable by an external shaft, a first gear unit (G1) and a second gear unit (G2) which each follow rotations of the shaft (W), wherein both gear units (G1 and G2) are drivable independently of one another by the shaft (W), wherein a first gear stage (G1S1) of the first gear unit (G1) has a first detection unit (E1), and a gear stage (G2S2) downstream of a first gear stage (G2S1) of the second gear unit (G2) has a second detection unit (E2), and an evaluation unit for deriving the angular position from signals of the detection units (E1, E2), and wherein the evaluation unit compares the rotations of the first gear stage (G1S1) of the first gear unit (G1) and the downstream gear stage (G2S2) of the second gear unit (G2) for plausibility, taking into account a known ratio of the rotation of the first gear stage (G1S1) of the first gear unit (G1) to the rotation of the downstream gear stage (G2S2) of the second gear unit (G2), wherein the ratio is greater than 2 to 1.
    • 4. 发明授权
    • Angular encoder and drive system with an angular encoder
    • 带角度编码器的角度编码器和驱动系统
    • US09316507B2
    • 2016-04-19
    • US14132986
    • 2013-12-18
    • SICK STEGMANN GMBH
    • Stefan BaslerReinhold MutschlerDavid Hopp
    • G01D5/12G01D5/34G01D5/347
    • G01D5/125G01D5/12G01D5/34G01D5/347
    • The invention relates to an angular encoder (10) for monitoring the angular position of a rotating shaft (32), with a modulator (34) which can be positioned on the rotating shaft in order to provide a signal which changes as a function of the angular position of the rotating shaft (32), and with a receiver (22) for the reception of the signal which changes as a function of the angular position of the rotating shaft (32), in which the receiver (22) and the modulator (34) are positioned in such a way as to be thermally insulated from each other, so that the transfer of heat from the modulator (34) to the receiver (22) is impeded, while thermal insulation is achieved at least in part by a thermally insulating separator (35), which is positioned between the modulator (34), on the one hand, and the transmitter (21) and/or the receiver (22), on the other hand.The invention further relates to a drive system (100) with an angular encoder (110) of the type described.
    • 本发明涉及一种用于监测旋转轴(32)的角位置的角度编码器(10),其具有可位于旋转轴上的调制器(34),以便提供作为 旋转轴(32)的角位置以及用于接收根据旋转轴(32)的角位置变化的信号的接收器(22),其中接收器(22)和调制器 (34)以彼此热绝缘的方式定位,使得从调制器(34)到接收器(22)的热传递受到阻碍,而绝热至少部分地由 另一方面,一方面位于调制器(34)与发射器(21)和/或接收器(22)之间的隔热隔离器(35)。 本发明还涉及具有所述类型的角度编码器(110)的驱动系统(100)。
    • 6. 发明授权
    • Device for measuring the rotating angle of two objects rotating around an axis in relation to each other
    • 用于测量相对于彼此围绕轴旋转的两个物体的旋转角度的装置
    • US09182223B2
    • 2015-11-10
    • US13869687
    • 2013-04-24
    • SICK STEGMANN GmbH
    • David Hopp
    • G01B11/26G01D5/34G01D5/347
    • G01B11/26G01D5/341G01D5/344G01D5/3473
    • A device for measuring the rotating angle of two objects rotating in relation to each other around an axis includes a light source and a polarizer, whereby the light source and the polarizer rotate in relation to each other as function of the rotating angle. The device also includes a receiver measuring the luminous intensity reflected by the polarizer, to produce a signal dependent on the rotating angle. The receiver has at least one initial reception element and the light emitted by the light source is either polarized or becomes polarized. A polarizing filter with an initial direction of polarization is positioned in front of the first reception element. At least one element casting a shadow is positioned in front of the receiver and the receiver has at least one quadrant diode. The position and/or shape of the shadow are varied on the receiver over a rotation of 360°.
    • 用于测量围绕轴线相对于彼此旋转的两个物体的旋转角度的装置包括光源和偏振器,由此光源和偏振器相对于彼此旋转,作为旋转角度的函数。 该装置还包括测量由偏振器反射的发光强度的接收器,以产生取决于旋转角度的信号。 接收器具有至少一个初始接收元件,并且由光源发射的光被偏振或变成极化。 具有初始极化方向的偏振滤光器位于第一接收元件的前面。 投影阴影的至少一个元件位于接收器的前面,并且接收器具有至少一个象限二极管。 阴影的位置和/或形状在接收器上360度的旋转变化。
    • 9. 发明授权
    • Device for measuring the relative position of two objects moving in relation to each other
    • 用于测量相对于彼此移动的两个物体的相对位置的装置
    • US09170093B2
    • 2015-10-27
    • US14014667
    • 2013-08-30
    • SICK STEGMANN GmbH
    • David Hopp
    • G01B11/14G01J4/00G01D5/34
    • G01B11/14G01D5/345G01J4/00
    • The invention relates to a device for measuring the relative position of two objects moving relative to each other along an axis or around a rotating axis (D), with a transmitter (12) which emits unpolarized light, and with a polarizer (20), and with at least one receiver (16) which measures the luminosity of the light passing through the polarizer (20) in order to create a position-dependent signal, such that a polarizing filter is positioned in front of the receiver (16), and the receiver (16) and the polarizer (20) move relative to each other as a function of the relative position of the two objects, and such that the polarizer (20) has at least two different polarizing directions.
    • 本发明涉及一种用于测量沿着轴线或围绕旋转轴线(D)相对于彼此移动的两个物体与发射非偏振光的发射器(12)以及偏振器(20)的相对位置的装置, 以及至少一个测量通过偏振器(20)的光的亮度的接收器(16),以便产生位置相关的信号,使得偏振滤光器位于接收器(16)的前面,以及 接收器(16)和偏振器(20)作为两个物体的相对位置的函数相对于彼此移动,并且使得偏振器(20)具有至少两个不同的偏振方向。