CN108072392A - 一种用于风力发电的增量式编码器 - Google Patents

一种用于风力发电的增量式编码器 Download PDF

Info

Publication number
CN108072392A
CN108072392A CN201610975518.6A CN201610975518A CN108072392A CN 108072392 A CN108072392 A CN 108072392A CN 201610975518 A CN201610975518 A CN 201610975518A CN 108072392 A CN108072392 A CN 108072392A
Authority
CN
China
Prior art keywords
encoder
wind
main body
metal grating
grating disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610975518.6A
Other languages
English (en)
Inventor
金杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Bolateng Mdt Infotech Ltd
Original Assignee
Suzhou Bolateng Mdt Infotech Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Bolateng Mdt Infotech Ltd filed Critical Suzhou Bolateng Mdt Infotech Ltd
Priority to CN201610975518.6A priority Critical patent/CN108072392A/zh
Priority to PCT/CN2016/106698 priority patent/WO2018082127A1/zh
Publication of CN108072392A publication Critical patent/CN108072392A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)

Abstract

一种用于风力发电的增量式编码器器包括密封件、编码器主体、绝缘轴承、编码器空心轴、发光元件、金属光栅盘、指示光栅和光电接收元件、线路板、外壳、电缆、固定支架；所述一种用于风力发电的增量式编码器器安装于风力发电机的主轴上，编码器空心轴通过绝缘轴承及密封件与编码器主体连接，编码器空心轴前端安装金属光栅盘，金属光栅盘随发电机主轴旋转，金属光栅盘的后侧是安装在编码器主体上的发光元件，编码器主体通过螺栓与外壳连接构成一体，编码器主体通过固定支架固定在风力发电机外壳上；不随发电机的主轴旋转。

Description

一种用于风力发电的增量式编码器
技术领域
本发明涉及一种数字化测角装置，尤其涉及风力发电机高精度角速度反馈用增量式光电编码器。
背景技术
目前市场上的较高精度的增量式光电编码器，多使用玻璃光栅盘，主光栅与指示光栅的间距仅0.08mm左右；使用非重载型结构，抗振动、冲击和密封效果欠佳，无防轴电击穿的绝缘措施。而风力发电机用光电编码器使用环境极其恶劣，无人值守，可靠性要求极高。常规光电编码器在强振动、冲击、大温差变化工况条件下，玻璃光栅盘易划伤、易破碎，与金属轴固连易松动；无绝缘防护，易造成击穿，形成轴电流，损坏昂贵设备。而本发明有效地解决了以上不足，采用高精度金属光栅盘，替代同精度的玻璃光栅盘，编码器输出电信号为：2000CPR＜周期数/每转＜10000CPR，金属光栅盘：2000CPR＜光栅刻线数每转＜5000CPR；采用绝缘轴承等轴电流防护措施，击穿电压≥2.5KV；重载型坚固壳体结构，抗振动、耐冲击，良好的防尘、防水密封结构和优异的轴电流防护能力。
发明内容
本发明所要解决的技术问题在于提供一种一种用于风力发电的增量式编码器器、采用高精度金属光栅盘替代同精度的玻璃光栅盘，采用绝缘轴承等轴电流防护措施，击穿电压≥2.5KV，重载型坚固壳体结构。
本发明是这样实现的：
一种用于风力发电的增量式编码器器包括密封件、编码器主体、绝缘轴承、编码器空心轴、发光元件、金属光栅盘、指示光栅和光电接收元件、线路板、外壳、电缆、固定支架；所述一种用于风力发电的增量式编码器器安装于风力发电机的主轴上，编码器空心轴通过绝缘轴承及密封件与编码器主体连接，编码器空心轴前端安装金属光栅盘，金属光栅盘编码器输出电信号为：2000CPR＜周期数/每转＜10000CPR，金属光栅盘：2000CPR＜光栅刻线数每转＜5000CPR，金属光栅盘随发电机主轴旋转，金属光栅盘的后侧是安装在编码器主体上的发光元件，金属光栅盘的前面是线路板，安装在线路板上的指示光栅和光电接收元件与发光元件相对应，发光元件发出恒定光束，照射在金属光栅盘上，光栅盘和指示光栅同节距，构成光栅付，金属光栅盘随发电机主轴旋转，光栅付对光束进行调制，形成莫尔条纹，光敏元件接收并转换成电信号，经放大、逻辑处理、线性驱动电路后输出与角度对应的电信号(含A、、B、、I、六相信号)；线路板与外壳前部下方的电缆连接，将光电转换后的角度信息输出，编码器主体通过螺栓与外壳连接构成一体，编码器主体通过固定支架固定在风力发电机外壳上；不随发电机的主轴旋转。
本发明具有可靠性高、抗震动、耐冲击，良好的防尘、防水密封结构和优异的轴电流防护能力。
附图说明
下面根据附图对本发明作进一步详细说明。
图1为一种用于风力发电的增量式编码器器示意图。
图中1、风力发电机，2、发电机主轴，3、密封件，4、编码器主体，5、绝缘轴承，6、编码器空心轴，7、发光元件，8、金属光栅盘，9、指示光栅和光电接收元件，10、线路板，11、外壳，12、电缆，13、固定支架。
具体实施方式
一种用于风力发电的增量式编码器器包括密封件3、编码器主体4、绝缘轴承5、编码器空心轴6、发光元件7、金属光栅盘8、指示光栅和光电接收元件9、线路板10、外壳11、电缆12、固定支架13；所述一种用于风力发电的增量式编码器器安装于风力发电机1的发电机主轴2上，编码器空心轴6通过绝缘轴承5及密封件3与编码器主体4连接，编码器空心轴6前端安装金属光栅盘8，金属光栅盘编码器输出电信号为：周期数/每转为5000CPR，金属光栅盘光栅刻线数每转为2048CPR，金属光栅盘8随发电机主轴2旋转，金属光栅盘8的后侧是安装在编码器主体4上的发光元件7，金属光栅盘8的前面是线路板10，安装在线路板10上的指示光栅和光电接收元件9与发光元件7相对应，发光元件7发出恒定光束，照射在金属光栅盘8上，光栅盘和指示光栅同节距，构成光栅付，金属光栅盘8随发电机主轴旋转，光栅付对光束进行调制，形成莫尔条纹，光敏元件接收并转换成电信号，经放大、逻辑处理、线性驱动电路后输出与角度对应的电信号(含A、、B、、I、六相信号)；线路板10与外壳11前部下方的电缆12连接，将光电转换后的角度信息输出，编码器主体4通过螺栓与外壳11连接构成一体，编码器主体4通过固定支架13固定在风力发电机外壳上；不随发电机主轴2旋转。

Claims (3)

1.一种用于风力发电的增量式编码器器，其特征在于：所述一种用于风力发电的增量式编码器器包括密封件、编码器主体、绝缘轴承、编码器空心轴、发光元件、金属光栅盘、指示光栅和光电接收元件、线路板、外壳、电缆、固定支架；所述一种用于风力发电的增量式编码器器安装于风力发电机的主轴上，编码器空心轴通过绝缘轴承及密封件与编码器主体连接，编码器空心轴前端安装金属光栅盘，金属光栅盘的后侧是安装在编码器主体上的发光元件，金属光栅盘的前面是线路板，安装在线路板上的指示光栅和光电接收元件与发光元件相对应，编码器主体通过螺栓与外壳连接构成一体，外壳前部下方是电缆，电缆与线路板相连，编码器主体通过固定支架固定在风力发电机外壳上。
2.根据权利要求书 1 所述的一种用于风力发电的增量式编码器器，其特征在于所述金属光栅盘为高精度的金属光栅盘，编码器输出电信号为：2000CPR ＜周期数 / 每转10000CPR。
3.根据权利要求书 1 所述的一种用于风力发电的增量式编码器器，其特征在于所述金属光栅盘：2000CPR ＜光栅刻线数每转＜ 5000CPR。
CN201610975518.6A 2016-11-07 2016-11-07 一种用于风力发电的增量式编码器 Pending CN108072392A (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610975518.6A CN108072392A (zh) 2016-11-07 2016-11-07 一种用于风力发电的增量式编码器
PCT/CN2016/106698 WO2018082127A1 (zh) 2016-11-07 2016-11-22 一种用于风力发电的增量式编码器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610975518.6A CN108072392A (zh) 2016-11-07 2016-11-07 一种用于风力发电的增量式编码器

Publications (1)

Publication Number Publication Date
CN108072392A true CN108072392A (zh) 2018-05-25

Family

ID=62075489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610975518.6A Pending CN108072392A (zh) 2016-11-07 2016-11-07 一种用于风力发电的增量式编码器

Country Status (2)

Country Link
CN (1) CN108072392A (zh)
WO (1) WO2018082127A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201062964Y (zh) * 2007-07-23 2008-05-21 无锡市瑞普科技有限公司 复合码编码器
CN201680851U (zh) * 2010-05-07 2010-12-22 深圳市英科达光电技术有限公司 风力发电机专用增量式光电编码器
CN102255434A (zh) * 2011-04-14 2011-11-23 深圳市英科达光电技术有限公司 一种特殊绝缘结构的风力发电机专用光电编码器
CN103438917A (zh) * 2013-09-16 2013-12-11 无锡华尔圣科技有限公司 一种高脉冲增量式光电旋转编码器的装配方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN202406101U (zh) * 2011-12-27 2012-08-29 温州奇玺电器科技有限公司 手摇编码器
US8946955B2 (en) * 2012-01-04 2015-02-03 Watts C Cutter, III Drilling motor optical encoder mounting apparatus and method of installation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201062964Y (zh) * 2007-07-23 2008-05-21 无锡市瑞普科技有限公司 复合码编码器
CN201680851U (zh) * 2010-05-07 2010-12-22 深圳市英科达光电技术有限公司 风力发电机专用增量式光电编码器
CN102255434A (zh) * 2011-04-14 2011-11-23 深圳市英科达光电技术有限公司 一种特殊绝缘结构的风力发电机专用光电编码器
CN103438917A (zh) * 2013-09-16 2013-12-11 无锡华尔圣科技有限公司 一种高脉冲增量式光电旋转编码器的装配方法

Also Published As

Publication number Publication date
WO2018082127A1 (zh) 2018-05-11

Similar Documents

Publication Publication Date Title
CN201680851U (zh) 风力发电机专用增量式光电编码器
CN1067311A (zh) 光学和容性结合的绝对位置测定仪和方法
CN210464753U (zh) 一种用于螺栓应力监测的应变式垫片力传感器
CN203550974U (zh) 一种紧凑型光电旋转编码器
CN108768086A (zh) 一种外转子电机编码器的安装结构
CN105651320A (zh) 一种光电编码器
CN1302294C (zh) 适于雷电和近地大气电环境监测用恒速旋转倒装式电场仪
CN201215488Y (zh) 绝对值与增量信号双输出的编码器
US8129979B2 (en) Arrangement for lightning detection at a wind turbine
CN108072392A (zh) 一种用于风力发电的增量式编码器
CN103616040A (zh) 一种铜质码盘复合式光电编码器
CN102255434A (zh) 一种特殊绝缘结构的风力发电机专用光电编码器
CN103759753B (zh) 一种光栅光电信号速度测试装置
EP2876406B1 (de) Vorrichtung zur Erfassung von Verformungen eines Rotorblatts einer Windkraftanlage
CN105403231A (zh) 磁性旋转编码器
CN211525003U (zh) 风电机组的螺栓螺母检测结构和风电机组
CN105091920A (zh) 集束光纤光栅传感器
CN206488796U (zh) 光电码盘和光电编码器
CN206740150U (zh) 基于霍尔传感器的磁编码器
CN2164543Y (zh) 一种复合编码的编码器
CN204666168U (zh) 一种自发光探针
CN209894340U (zh) 一种外施信号型故障指示器
CN206442253U (zh) 一种电动机非出轴端接地碳刷和编码器的安装结构
CN108063524A (zh) 一种具有防水功能的混合编码器
CN215261801U (zh) 一种接触编码器

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180525