WO2012068995A1 - Direct-type active laser angular position sensor - Google Patents

Direct-type active laser angular position sensor Download PDF

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Publication number
WO2012068995A1
WO2012068995A1 PCT/CN2011/082757 CN2011082757W WO2012068995A1 WO 2012068995 A1 WO2012068995 A1 WO 2012068995A1 CN 2011082757 W CN2011082757 W CN 2011082757W WO 2012068995 A1 WO2012068995 A1 WO 2012068995A1
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laser
identifier
angular position
mark
position sensor
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PCT/CN2011/082757
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French (fr)
Chinese (zh)
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曹伟龙
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上海宏曲电子科技有限公司
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Publication of WO2012068995A1 publication Critical patent/WO2012068995A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales

Definitions

  • the present invention relates to a sensing device, and more particularly to an angular position sensor for a vehicle.
  • the detection of angular position can be done in many ways. Potentiometers, Hall elements, variable capacitors, rotary encoders, etc. can all be used as sensors for detecting angular positions. These devices have a common form of use: they are A linkage mechanism drives the devices to rotate in synchronization with the detection object. When rotating, the sensor generates numerical changes in magnetism, electricity, pulses, and the like. The problem is: 1, the linkage organization will inevitably produce accuracy errors, and the accuracy is poor.
  • the detection of the rudder angle is a linkage mechanism based on the principle that the parallelograms are parallel to each other, and the actual accuracy is difficult to reach 0.1 degrees.
  • the object of the present invention is to invent a direct reading of angular position change information directly along with an object to be detected Direct active laser angular position sensor.
  • the direct active laser angular position sensor is composed of a laser identifier, a marking member, a circuit board and an outer casing, and the laser identifier, the identification member and the circuit board are sealed in the outer casing, and the identification and the identification are arranged on the identification member.
  • a mark indicates a value.
  • the laser recognizer can read the mark on the mark.
  • the board can convert the mark read by the laser recognizer into a format that can be directly used by encoding and decoding. Digital information.
  • the feature is that the laser identifier is fixed on the object to be detected, the identifier is fixed, and the reading port of the laser identifier is opposite to the identifier on the identifier.
  • the length of the identifier on the identifier is greater than the length of the path through which the read port passes on the identifier.
  • the identifier includes corner information and verification information.
  • the identifier has a plane identifier and a stereo identifier.
  • the accuracy of the present invention is quite high and can be applied to various angular position detection applications.
  • Figure 1 is a side elevational cross-sectional view showing a parallel practice example.
  • Figure 2 is a side cross-sectional view of a vertical practice example.
  • the object to be inspected The object to be inspected.
  • Figure 1 is a side cross-sectional view of a parallel practice.
  • the detected object 60 is rotated, the fixed object 61 is fixed, the outer casing 50 is connected to the fixed object 61, the outer casing 50 is fixed, and the identification member 20 is fixed on the outer casing 50. of.
  • the laser discriminator 10 is connected to the object 60 to be detected, so that the laser discriminator 10 is synchronized with the object 60 to be detected.
  • the laser discriminator 10 rotates in the same manner as the object 60 to be detected.
  • the reading port 11 of the identifier 10 is opposite the marking 21 on the identification member 20.
  • the mark 21 arranged on the identifier 20 is a mark that the laser recognizer 10 can recognize.
  • the mark 21 has a plane mark 22 and a three-dimensional mark 23, and a mark indicates a value.
  • the arrangement of the mark 21 on the mark 20 is detected and detected.
  • the direction in which the object 60 rotates is uniform.
  • the mark 21 includes angular position information and check information.
  • the length of the mark 21 on the mark member 20 is greater than the length of the path through which the read port 11 passes on the mark member 20.
  • the laser recognizer 10 reads through The port 11 reads the mark 21 on the identifier 20, and the read information is transmitted to the circuit board 40 through the connection line 12.
  • the circuit board 40 is composed of the electronic component 41, and the information that the laser recognizer 10 can read from the mark 21 can be read. It is formatted digital information that can be directly used by codec and calculation, and interface 51 is a component for accessing power and receiving information.
  • Fig. 2 is a side cross-sectional view showing a vertical practice example.
  • the configuration and principle of the vertical practice example are basically the same as those of the horizontal practice example of FIG. 1, except that the laser recognizer 10 of the vertical practice example reads the mark 21 in a vertical manner, and the laser recognizer 10 is fixed to the object 60 to be detected. On the other hand, when the detected object 60 rotates, the laser recognizer 10 rotates in the same manner, and the laser recognizer 10 reads the rotation information of the detected object 60 from the horizontally-moving marker 20.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

A direct-type active laser angular position sensor consisting of a laser recognition device (10), a marker element (20), a circuit board (40), and a housing (50). The laser recognition device (10), marker element (20), and circuit board (40) are sealed inside the housing (50). Markers (21) are arrayed on the marker element (20). The laser recognition device (10) reads the markers (21) on the marker element (20), and then the circuit board (40) encodes/decodes and calculates into readily usable formatted numerical code information the marker (21) readings taken by the laser recognition device (10). The laser recognition device is fixed to the object (60) being measured, the marker element (20) is fixed, and the reader (11) on the laser recognition device (10) faces the markers (21) on the marker element (20). The angular position sensor works with a high degree of precision and can be used in various angular position measuring scenarios.

Description

直接式主动激光角位传感器  Direct active laser angular position sensor
技术领域: Technical field:
本发明涉及传感装置，特别涉及一种交通工具的角位传感器。 The present invention relates to a sensing device, and more particularly to an angular position sensor for a vehicle.
背景技术： Background technique:
角位的检测可以用很多的方式来完成，如电位器、霍尔元件、可变电容器、旋转编码器等等都可以作为检测角位的传感器，这些器件有一个共同的使用形式：它们是由一个联动机构带动，使这些器件与检测对象同步转动，在转动的时候，传感器产生磁、电、脉冲等的数值变化。问题是：1，联动机构难免产生精度的误差，精确度差。如检测船舵角位是一个根据平行四边形对边平行的原理构成联动机构，实际精度很难达到0.1度。2，这些器件不是专门为角位传感设计的，数值变化的线性不完美，影响精确度。3，零位调整困难，有一类的检测如轮船的舵角、汽车的方向，基本不大于180度，但是需要确定零位，现有的用于角位检测的传感器件，除了旋转编码器都不能360度的检测，给零位的确定增加不少的麻烦。4，这些器件产生的都不是直接可以使用的数码信息，是需要转换的模拟或脉冲信号，影响整体的响应时间。 The detection of angular position can be done in many ways. Potentiometers, Hall elements, variable capacitors, rotary encoders, etc. can all be used as sensors for detecting angular positions. These devices have a common form of use: they are A linkage mechanism drives the devices to rotate in synchronization with the detection object. When rotating, the sensor generates numerical changes in magnetism, electricity, pulses, and the like. The problem is: 1, the linkage organization will inevitably produce accuracy errors, and the accuracy is poor. For example, the detection of the rudder angle is a linkage mechanism based on the principle that the parallelograms are parallel to each other, and the actual accuracy is difficult to reach 0.1 degrees. 2, these devices are not specifically designed for angular position sensing, the linearity of the numerical changes is not perfect, affecting the accuracy. 3, the zero adjustment is difficult, there is a kind of detection such as the rudder angle of the ship, the direction of the car, basically no more than 180 degrees, but need to determine the zero position, the existing sensor parts for angular position detection, except for the rotary encoder Can not detect 360 degrees, adding a lot of trouble to the determination of the zero. 4. These devices produce digital information that is not directly usable. It is an analog or pulse signal that needs to be converted, affecting the overall response time.
发明内容： Summary of the invention:
本发明的目的 是发明一种直接随同被检测物体一起转动的、直接读取角位变化信息的 直接式主动激光角位传感器。 The object of the present invention is to invent a direct reading of angular position change information directly along with an object to be detected Direct active laser angular position sensor.
本发明是这样实现的：直接式主动激光角位传感器由激光识别器、标识件、电路板和外壳组成，激光识别器、标识件、电路板密封在外壳内，标识件上排列着标识，标识是激光识别器可以识别的记号，一个记号表示一个数值，激光识别器能够读取标识件上的标识，电路板能够将激光识别器读取的标识通过编解码和计算成为可以直接使用的格式化数码信息。 The invention is realized as follows: the direct active laser angular position sensor is composed of a laser identifier, a marking member, a circuit board and an outer casing, and the laser identifier, the identification member and the circuit board are sealed in the outer casing, and the identification and the identification are arranged on the identification member. It is a mark that the laser recognizer can recognize. A mark indicates a value. The laser recognizer can read the mark on the mark. The board can convert the mark read by the laser recognizer into a format that can be directly used by encoding and decoding. Digital information.
其特征是：激光识别器固定在被检测物体上，标识件是固定的，激光识别器的读取口对着标识件上的标识。 The feature is that the laser identifier is fixed on the object to be detected, the identifier is fixed, and the reading port of the laser identifier is opposite to the identifier on the identifier.
其中，标识件上标识的长度大于读取口在标识件上经过的路径的长度。 The length of the identifier on the identifier is greater than the length of the path through which the read port passes on the identifier.
其中，标识包含角位信息和校验信息。 The identifier includes corner information and verification information.
其中，标识有平面标识和立体标识。 The identifier has a plane identifier and a stereo identifier.
本发明的精度相当地高，可以适用于各种角位检测场合使用。 The accuracy of the present invention is quite high and can be applied to various angular position detection applications.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
附图1是： 平行式实践例的 侧视剖面示意图。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a side elevational cross-sectional view showing a parallel practice example.
附图2是： 垂直式实践例的 侧视剖面示意图。 Figure 2 is a side cross-sectional view of a vertical practice example.
在附图中： In the drawing:
10 ：激光识别器， 11： 读取口，12：连接线， 10: laser recognizer, 11: read port, 12: connecting line,
20 ： 标识件， 21：标识， 22：平面标识，23：立体标识， 20 : identification, 21: logo, 22: flat logo, 23: stereo logo,
40 ：电路板，41：电子元件， 40: circuit board, 41: electronic components,
50 ：外壳，51：接口， 50: outer casing, 51: interface,
60 ：被检测物体。 60: The object to be inspected.
具体实施方式： detailed description:
参照图1， 附图1是 平行式实践例的 侧视剖面示意图。 Referring to Figure 1, Figure 1 is a side cross-sectional view of a parallel practice.
图中，被检测物体60是转动的，固定的物体61是固定不动的，外壳50与固定的物体61连接，外壳50是固定不动的，标识件20连接在外壳50上也是固定不动的。 In the figure, the detected object 60 is rotated, the fixed object 61 is fixed, the outer casing 50 is connected to the fixed object 61, the outer casing 50 is fixed, and the identification member 20 is fixed on the outer casing 50. of.
激光识别器10连接在被检测物体60上，所以激光识别器10是与被检测物体60同步行动的，当被检测物体60转动的时候，激光识别器10与被检测物体60也一样转动，激光识别器10的读取口11对着标识件20上的标识21。 The laser discriminator 10 is connected to the object 60 to be detected, so that the laser discriminator 10 is synchronized with the object 60 to be detected. When the object 60 to be detected is rotated, the laser discriminator 10 rotates in the same manner as the object 60 to be detected. The reading port 11 of the identifier 10 is opposite the marking 21 on the identification member 20.
标识件20上排列的标识21，是激光识别器10可以识别的记号，标识21有平面标识22和立体标识23，一个记号表示一个数值，标识21在标识件20上的排列，是与被检测物体60转动的方向是一致的，标识21包含角位信息和校验信息，标识件20上标识21的长度大于读取口11在标识件20上经过的路径的长度，激光识别器10通过读取口11读取标识件20上的标识21，将读取的信息通过连接线12传递给电路板40，电路板40由电子元件41构成，能够将激光识别器10从标识21读取的信息，通过编解码和计算成为可以直接使用的格式化数码信息，接口51是接入电源和接出信息的部件。 The mark 21 arranged on the identifier 20 is a mark that the laser recognizer 10 can recognize. The mark 21 has a plane mark 22 and a three-dimensional mark 23, and a mark indicates a value. The arrangement of the mark 21 on the mark 20 is detected and detected. The direction in which the object 60 rotates is uniform. The mark 21 includes angular position information and check information. The length of the mark 21 on the mark member 20 is greater than the length of the path through which the read port 11 passes on the mark member 20. The laser recognizer 10 reads through The port 11 reads the mark 21 on the identifier 20, and the read information is transmitted to the circuit board 40 through the connection line 12. The circuit board 40 is composed of the electronic component 41, and the information that the laser recognizer 10 can read from the mark 21 can be read. It is formatted digital information that can be directly used by codec and calculation, and interface 51 is a component for accessing power and receiving information.
图2是垂直式实践例的 侧视剖面示意图。 Fig. 2 is a side cross-sectional view showing a vertical practice example.
垂直式实践例的构造、原理与图1的水平式实践例基本相同，不同的是垂直式实践例的激光识别器10垂直的方式读取标识21，激光识别器10是固定在被检测物体60上，当被检测物体60转动的时候，激光识别器10一样转动，激光识别器10从水平状不动的标识件20上读取被检测物体60的转动信息。 The configuration and principle of the vertical practice example are basically the same as those of the horizontal practice example of FIG. 1, except that the laser recognizer 10 of the vertical practice example reads the mark 21 in a vertical manner, and the laser recognizer 10 is fixed to the object 60 to be detected. On the other hand, when the detected object 60 rotates, the laser recognizer 10 rotates in the same manner, and the laser recognizer 10 reads the rotation information of the detected object 60 from the horizontally-moving marker 20.

Claims (1)

  1. 1 ， 直接式主动激光角位传感器，由激光识别器（10）、标识件（20）、电路板（40）和外壳（50）组成，激光识别器（10）、标识件（20）、电路板（40）密封在外壳（50）内，标识件（20）上排列着标识（21），标识（21）是激光识别器（10）可以识别的记号，一个记号表示一个数值，激光识别器（10）能够读取标识件（20）上的标识（21），电路板（40）能够将激光识别器（10）读取的标识（21）通过编解码和计算成为可以直接使用的格式化数码信息，其特征是：激光识别器（10）固定在被检测物体（60）上，标识件（20）是固定的，激光识别器（10）的读取口（11）对着标识件（20）上的标识（21）。1 , The direct active laser angular position sensor is composed of a laser identifier (10), a marking member (20), a circuit board (40) and a casing (50), a laser identifier (10), a marking member (20), and a circuit board ( 40) sealed in the outer casing (50), the indicator (20) is arranged with a mark (21), the mark (21) is a mark that the laser recognizer (10) can recognize, a mark represents a value, and the laser recognizer (10) The identifier (21) on the identification member (20) can be read, and the circuit board (40) can convert the identification (21) read by the laser identifier (10) into a formatted digital information that can be directly used by encoding and decoding. The feature is that the laser identifier (10) is fixed on the object to be detected (60), the identifier (20) is fixed, and the reading port (11) of the laser identifier (10) faces the identification member (20). The logo on the top (21).
    2 ，根据权利要求1所述的直接式主动激光角位传感器，其特征是：标识件（20）上标识（21）的长度大于读取口（11）在标识件（20）上经过的路径的长度。2 The direct active laser angular position sensor according to claim 1, wherein the length of the marking (21) on the marking member (20) is greater than the path of the reading port (11) on the marking member (20). length.
    1 ， 直接式主动激光角位传感器，由激光识别器（10）、标识件（20）、电路板（40）和外壳（50）组成，激光识别器（10）、标识件（20）、电路板（40）密封在外壳（50）内，标识件（20）上排列着标识（21），标识（21）是激光识别器（10）可以识别的记号，一个记号表示一个数值，激光识别器（10）能够读取标识件（20）上的标识（21），电路板（40）能够将激光识别器（10）读取的标识（21）通过编解码和计算成为可以直接使用的格式化数码信息，其特征是：激光识别器（10）固定在被检测物体（60）上，标识件（20）是固定的，激光识别器（10）的读取口（11）对着标识件（20）上的标识（21）。1 , The direct active laser angular position sensor is composed of a laser identifier (10), a marking member (20), a circuit board (40) and a casing (50), a laser identifier (10), a marking member (20), and a circuit board ( 40) sealed in the outer casing (50), the indicator (20) is arranged with a mark (21), the mark (21) is a mark that the laser recognizer (10) can recognize, a mark represents a value, and the laser recognizer (10) The identifier (21) on the identification member (20) can be read, and the circuit board (40) can convert the identification (21) read by the laser identifier (10) into a formatted digital information that can be directly used by encoding and decoding. The feature is that the laser identifier (10) is fixed on the object to be detected (60), the identifier (20) is fixed, and the reading port (11) of the laser identifier (10) faces the identification member (20). The logo on the top (21).
    2 ，根据权利要求1所述的直接式主动激光角位传感器，其特征是：标识件（20）上标识（21）的长度大于读取口（11）在标识件（20）上经过的路径的长度。2 The direct active laser angular position sensor according to claim 1, wherein the length of the marking (21) on the marking member (20) is greater than the path of the reading port (11) on the marking member (20). length.
    3 ，根据权利要求1所述的直接式主动激光角位传感器，其特征是：标识（21）包含角位信息和校验信息。3 The direct active laser angular position sensor according to claim 1, wherein the indicator (21) comprises angular position information and verification information.
    4 ，根据权利要求1所述的直接式主动激光角位传感器，其特征是：标识（21）有平面标识（22）和立体标识（23）。4 The direct active laser angular position sensor according to claim 1, wherein the indicator (21) has a plane mark (22) and a three-dimensional mark (23).
PCT/CN2011/082757 2010-11-25 2011-11-23 Direct-type active laser angular position sensor WO2012068995A1 (en)

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