WO2018086152A1 - 一种绝缘旋转编码器 - Google Patents

一种绝缘旋转编码器 Download PDF

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Publication number
WO2018086152A1
WO2018086152A1 PCT/CN2016/106696 CN2016106696W WO2018086152A1 WO 2018086152 A1 WO2018086152 A1 WO 2018086152A1 CN 2016106696 W CN2016106696 W CN 2016106696W WO 2018086152 A1 WO2018086152 A1 WO 2018086152A1
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Prior art keywords
main shaft
circuit board
rotary encoder
outer side
disposed
Prior art date
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PCT/CN2016/106696
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English (en)
French (fr)
Inventor
金杰
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苏州博拉腾信息科技有限公司
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Publication of WO2018086152A1 publication Critical patent/WO2018086152A1/zh

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • 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
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/22—Optical devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission

Definitions

  • the present invention relates to an insulated rotary encoder, and more particularly to an encoder that converts angular displacement into an encoded digitalized electrical signal.
  • An encoder is a sensor device that converts an angular displacement or linear displacement signal into a coded digital electrical signal.
  • the former is called a code wheel, and the latter is called a code ruler.
  • the encoder can be divided into contact type and non-contact type.
  • the contact type uses a brush output, and the brush contacts the conductive area or the insulating area to indicate whether the state of the code is "1" or "0";
  • the non-contact receiving sensitive element is a photosensitive element or a magnetic sensitive element, and the photosensitive element is used
  • the light transmissive area and the opaque area indicate whether the state of the code is "1" or "0";
  • the magnetic sensitive element is used to indicate the code state by sensing a change in the magnetic field.
  • Encoders are widely used for industrial positioning, speed measurement, power regulation, etc.
  • Photoelectric type The position of the installation needs to be transparent glass material, not waterproof, not resistant to dirt, and high in cost.
  • Electromagnetic induction type It is achieved by the core and the inductance coil, and the cost is high.
  • An object of the present invention is to provide an insulated rotary encoder which is easy to assemble, has strong anti-vibration performance, and has stable performance and high precision.
  • the present invention provides an insulated rotary encoder, comprising: a sealed casing, a main shaft, a metal grating disk sleeved on an outer side of the main shaft, and a circuit board disposed in the sealed casing, the outer casing of the main shaft a frame, a positioning member, and a reverse item, wherein the positioning member and the inverted item respectively abut against the two sides of the metal grating disk, the metal grating disk comprises a moving grating disk and a static grating disk, and the transmitting tube is arranged on the circuit board
  • Receiving silicon light module [0009]
  • the cable housing is further provided with a cable sheath, and a cable is disposed in the cable sheath, and one end of the cable is electrically connected to the circuit board.
  • two bearings are sleeved between the outer side of the main shaft and the frame, and the outer side of the bearing away from the metal grating plate is provided with a retaining ring
  • the retaining ring ring is disposed outside the main shaft.
  • the rack includes a main frame that is sleeved on the outer side of the main shaft, and an attached frame, and the positioning component is disposed between the attached frame and the main shaft.
  • the positioning member of the present invention is a metal positioning member, and the circuit board is made of a plastic steel insulating material.
  • the inverted ring is disposed on the main shaft, and the inverted item includes a ring and a plurality of barbs uniformly distributed on one side of the ring and protruding in a radial direction of the ring, the ring and the ring The moving grating discs abut.
  • the circuit board is a printed circuit board, and the circuit board is provided with a receiving board and a transmitting board corresponding to the receiving board.
  • the transmitting tube is disposed on the transmitting board, and the receiving silicon optical module is disposed on the receiving board.
  • the insulated rotary encoder of the present invention is easy to assemble, stable in performance, and high in precision, and uses a metal positioning member and a plastic plate.
  • the transmitting tube is disposed on the transmitting board, and the receiving silicon optical module is disposed on the receiving board.
  • the insulated rotary encoder of the invention has the advantages of convenient assembly, stable performance and high precision, and the circuit board made of metal positioning parts and plastic steel insulating material not only has strong anti-vibration performance, but also can effectively prevent parts. The damage is long and the service life is extended. The same can prevent leakage and it is safe to use.
  • FIG. 1 is a cross-sectional structural view of a specific embodiment of an insulated rotary encoder of the present invention.
  • the present invention provides an insulated rotary encoder, comprising: a sealed casing 10, a main shaft 20 And a metal grating disk disposed outside the main shaft 20 and a circuit board disposed in the sealed casing 10.
  • the outer side of the main shaft 20 of the present invention is provided with a frame, a positioning member 24, and a reverse item 26, and the positioning member 24 and the inverted item 26 respectively abut against the two sides of the metal grating disk, and the metal grating disk comprises a moving grating disk 32.
  • the static grating disk 34, the circuit board is provided with a transmitting tube and a receiving silicon optical module (not shown).
  • the cable housing 12 is further provided with a cable sheath 12, and the cable sheath 12 is provided with a cable 14 and one end of the cable 14 is electrically connected to the circuit board.
  • two bearings 21 are disposed between the outer side of the main shaft 20 and the frame, and a retaining ring 28 is disposed outside the bearing away from the metal grating plate, and the retaining ring 28 is disposed on the outer side of the main shaft 20.
  • the rack of the present invention includes a main frame 22 which is sleeved on the outer side of the main shaft 20, and an attachment frame 23.
  • the positioning member 24 is disposed between the attachment frame 23 and the main shaft 20.
  • the main frame 22 passes through a cross slot.
  • the screw 16 is fixedly mounted to the sealed casing 10.
  • the positioning member 24 can be a metal positioning member (shown in FIG. 1), which has strong anti-vibration performance, can effectively prevent damage of components, and prolong service life.
  • the circuit board of the present invention is a printed circuit board, and the circuit board is provided with a receiving board 42 (shown in FIG. 1) and a transmitting board 44 corresponding to the receiving board 42 (shown in FIG. 1).
  • the transmitting tube is disposed on the transmitting board 44
  • the receiving silicon optical module is disposed on the receiving board 42.
  • the circuit board is made of a plastic steel insulating material, which can prevent leakage and is safe to use.
  • the insulated rotary encoder of the present invention has the advantages of convenient assembly, stable performance and high precision.
  • the positioning gear and the circuit board of the plastic steel material not only have strong anti-vibration performance, but also can effectively prevent Damage to parts and components, prolong service life, and prevent leakage, which is safe to use.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)

Abstract

一种绝缘旋转编码器，其组装方便、抗震动性能较强，且性能稳定，精度较高，包括：密封外壳、主轴、套设于主轴外侧的金属光栅盘、及设于密封外壳内的电路板。其中，所述密封外壳上还设有电缆线护套，该电缆线护套内设有电缆线，该电缆线一端与电路板电性连接。主轴外侧与机架之间套设有两轴承，远离金属光栅盘的轴承外侧设有挡圈，该挡圈环设于主轴外侧。机架包括依次套设于主轴外侧的主机架、及附机架，定位件设于附机架与主轴之间。所述定位件为金属定位件，电路板采用塑钢绝缘材料制作而成。

Description

一种绝缘旋转编码器 技术领域
[0001] 本发明涉及一种绝缘旋转编码器， 特别是一种将角位移转换成编码数字化电信 号的编码器。
背景技术
[0002] 编码器是把角位移或直线位移信号转换成编码数字化电信号的一种传感器装置 。 前者称为码盘， 后者称为码尺。 按照读出方式编码器可以分为接触式和非接 触式两种。 接触式采用电刷输出， 以电刷接触导电区或绝缘区来表示代码的状 态是 "1"还是" 0"; 非接触式的接受敏感元件是光敏元件或磁敏元件， 采用光敏元 件吋以透光区和不透光区来表示代码的状态是 "1"还是" 0"; 采用磁敏元件吋以感 应磁场的变化来表示代码状态。 编码器广泛用于工控定位、 转速测量、 功率调 节等。
技术问题
[0003] 现有的编码器存在以下缺点：
[0004] 光电式： 安装的位置需要有透明玻璃材料， 不防水、 不耐污、 成本高。
[0005] 机械式： 直接由金属接触实现幵关， 不防水， 且易导电。 有金属接触， 无隔离 功能。 在一些厨房、 浴室等场所的电器上使用不安全。
[0006] 电磁感应式： 由铁心和电感线圈实现幵关， 成本高。
问题的解决方案
技术解决方案
[0007] 本发明的目的在于， 提供一种绝缘旋转编码器， 其组装方便、 抗震动性能较强 ， 且性能稳定， 精度较高。
[0008] 为实现上述目的， 本发明提供一种绝缘旋转编码器， 包括： 密封外壳、 主轴、 套设于主轴外侧的金属光栅盘、 及设于密封外壳内的电路板， 所述主轴外侧套 设有机架、 定位件、 及倒项， 该定位件与倒项分别抵靠于金属光栅盘两侧， 该 金属光栅盘包括动光栅盘、 及静光栅盘， 电路板上设有发射管和接收硅光模块 [0009] 其中， 所述密封外壳上还设有电缆线护套， 该电缆线护套内设有电缆线， 该电 缆线一端与电路板电性连接。
[0010] 所述主轴外侧与机架之间套设有两轴承， 远离金属光栅盘的轴承外侧设有挡圈
， 该挡圈环设于主轴外侧。
[0011] 机架包括依次套设于主轴外侧的主机架、 及附机架， 定位件设于附机架与主轴 之间。
[0012] 本发明的定位件为金属定位件， 电路板采用塑钢绝缘材料制作而成。
[0013] 本发明中， 所述倒项环设于主轴上， 该倒项包括一圆环、 及均匀分布于圆环一 侧且向圆环半径方向突出的数个倒钩， 该圆环与动光栅盘相抵靠。
[0014] 所述电路板为印刷电路板， 该电路板上设有接收板、 及与该接收板相对应的发 射板。
[0015] 所述发射管设于该发射板上， 接收硅光模块设于该接收板上。
[0016] 本发明的绝缘旋转编码器， 组装方便、 性能稳定、 精确度较高， 其采用金属定 位件及塑板。
[0017] 所述发射管设于该发射板上， 接收硅光模块设于该接收板上。
发明的有益效果
有益效果
[0018] 本发明的绝缘旋转编码器， 组装方便、 性能稳定、 精确度较高， 其采用金属定 位件及塑钢绝缘材料制作的电路板， 不仅具有较强的抗震动性能， 能够有效防 止零部件的损坏， 延长使用寿命， 同吋能够防止漏电现象， 使用较为安全。 对附图的简要说明
附图说明
[0019] 图 1为本发明的绝缘旋转编码器一具体实施例的剖面结构示意图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0020] 如图 1所示， 本发明提供一种绝缘旋转编码器， 其包括： 密封外壳 10、 主轴 20 、 套设于主轴 20外侧的金属光栅盘、 及设于密封外壳 10内的电路板。 本发明所 述主轴 20外侧套设有机架、 定位件 24、 及倒项 26， 该定位件 24与倒项 26分别抵 靠于金属光栅盘两侧， 该金属光栅盘包括动光栅盘 32、 及静光栅盘 34， 电路板 上设有发射管和接收硅光模块 (未图示)。
[0021] 其中， 所述密封外壳 10上还设有电缆线护套 12， 该电缆线护套 12内设有电缆线 14， 该电缆线 14一端与电路板电性连接。
[0022] 本发明中所述主轴 20外侧与机架之间套设有两轴承 21， 其中远离金属光栅盘的 轴承外侧设有一挡圈 28， 该挡圈 28环设于主轴 20的外侧。
[0023] 本发明的机架包括依次套设于主轴 20外侧的主机架 22、 及附机架 23， 定位件 24 设于附机架 23与主轴 20之间， 该主机架 22通过一十字槽螺钉 16与密封外壳 10固 定安装。 作为本发明的一种具体实施例， 所述定位件 24可以为金属定位件 (图 1所 示)， 其具有较强的抗震动性能， 能够有效防止零部件的损坏， 延长使用寿命。
[0024] 进一步地， 本发明的电路板为印刷电路板， 该电路板上设有接收板 42(图 1所示) 、 及与该接收板 42相对应的发射板 44(图 1所示)， 所述发射管设于该发射板 44上 ， 接收硅光模块设于该接收板 42上。 作为本发明的一种具体实施例， 所述电路 板采用塑钢绝缘材料制作而成， 能够防止漏电现象， 使用较为安全。
工业实用性
[0025] 综上所述， 本发明的绝缘旋转编码器， 组装方便、 性能稳定、 精确度较高， 其 采用塑钢材料的定位齿轮及电路板， 不仅具有较强的抗震动性能， 能够有效防 止零部件的损坏， 延长使用寿命， 同吋能够防止漏电现象， 使用较为安全。
序列表自由内容
[0026] 以上所述， 对于本领域的普通技术人员来说， 可以根据本发明的技术方案和技 术构思作出其他各种相应的改变和变形， 而所有这些改变和变形都应属于本发 明后附的权利要求的保护范围。

Claims

权利要求书
一种绝缘旋转编码器， 包括密封外壳、 主轴、 套设于主轴外侧的金属 光栅盘、 及设于密封外壳内的电路板， 其特征在于， 所述主轴外侧套 设有机架、 定位件、 及倒项， 该定位件与倒项分别抵靠于金属光栅盘 两侧， 该金属光栅盘包括动光栅盘、 及静光栅盘， 电路板上设有发射 管和接收硅光模块。
根据权利要求 1所述的绝缘旋转编码器， 其特征在于， 所述主轴外侧 与机架之间套设有两轴承， 远离金属光栅盘的轴承外侧设有挡圈， 该 挡圈环设于主轴外侧。
根据权利要求 1所述的绝缘旋转编码器， 其特征在于， 所述密封外壳 上还设有电缆线护套， 该电缆线护套内设有电缆线， 该电缆线一端与 电路板电性连接。
根据权利要求 1所述的绝缘旋转编码器， 其特征在于， 所述倒项环设 于主轴上， 该倒项包括一圆环、 及均匀分布于圆环一侧且向圆环半径 方向突出的数个倒钩， 该圆环与动光栅盘相抵靠。
根据权利要求 1所述的绝缘旋转编码器， 其特征在于， 机架包括依次 套设于主轴外侧的主机架、 及附机架， 定位件设于附机架与主轴之间
[权利要求 6] 根据权利要求 1所述的绝缘旋转编码器， 其特征在于， 所述电路板为 印刷电路板， 该电路板上设有接收板、 及与该接收板相对应的发射板
PCT/CN2016/106696 2016-11-08 2016-11-22 一种绝缘旋转编码器 WO2018086152A1 (zh)

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CN102565446A (zh) * 2011-12-27 2012-07-11 温州奇玺电器科技有限公司 旋转编码器
CN202404112U (zh) * 2011-12-27 2012-08-29 温州奇玺电器科技有限公司 旋转编码器
CN203385435U (zh) * 2013-08-23 2014-01-08 叶建丰 旋转编码器

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