WO2000003203A1 - Structure de montage de disque pour codeur optique - Google Patents
Structure de montage de disque pour codeur optique Download PDFInfo
- Publication number
- WO2000003203A1 WO2000003203A1 PCT/JP1999/003698 JP9903698W WO0003203A1 WO 2000003203 A1 WO2000003203 A1 WO 2000003203A1 JP 9903698 W JP9903698 W JP 9903698W WO 0003203 A1 WO0003203 A1 WO 0003203A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disk
- rotating shaft
- shaft
- light
- optical encoder
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 20
- 239000000853 adhesive Substances 0.000 claims abstract description 20
- 230000001070 adhesive effect Effects 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract 2
- 235000011468 Albizia julibrissin Nutrition 0.000 claims 1
- 240000007185 Albizia julibrissin Species 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
-
- 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
- G01D5/3473—Circular or rotary encoders
-
- 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
- G01D5/3473—Circular or rotary encoders
- G01D5/34738—Axles; Driving or coupling means
Definitions
- the present invention relates to a rotating disk mounting structure for an optical encoder.
- the mounting structure of the disk of the conventional optical encoder is configured as shown in FIGS.
- reference numeral 20 denotes a housing, which is attached to a motor bracket (not shown).
- Reference numeral 21 denotes a rotating shaft supported by the housing 20 via a bearing 22.
- a / j part 21b is provided at an upper part of the rotation 21 and a ⁇ part 21c force is provided at a lower part thereof.
- a step surface 21a is provided between the / J portion 2lb and the large diameter portion 21c.
- Reference numeral 23 denotes a rotating disk made of a transparent material such as glass.
- a light-shielding portion is provided on the plate surface, and a transparent portion pattern (not shown) is provided.
- Reference numeral 25 denotes an adhesive applied between the temporary fixing ring 24 and the rotating shaft.
- Reference numeral 26 denotes a light-emitting element holder, on which the light-emitting element 27 is mounted.
- Reference numeral 28 denotes a sub-board mounted on the housing 20, and a light-receiving element 29 is mounted on the surface of the sub-board 28.
- Reference numeral 30 denotes a main St attached to the nozing 20 via a support (not shown). The main St 30 and the sub Sg 28 are connected to each other by not shown in FIG. Electronic components constituting a circuit for detecting the amount of rotation are mounted on the plate surface of the main plate 30.
- the rotating disk 23 After the rotating disk 23 is fixed to the rotating shaft 21 in this way, the light emitting element 27, the light receiving element 29, and the sub-g3 ⁇ 428 are attached.
- the conventional optical encoder embeds the temporary fixing ring 24 with adhesive to obtain the fixed strength of the rotating disk, so that the space between the hole 23 a of the rotating disk 23 and the rotating shaft 21, and The adhesive flows between the rotation te ⁇ —disk 23 and the stepped surface 21 a of the rotation shaft 21, and the adhesive shrinks due to temperature fluctuation, causing the rotating disk to be displaced, eccentric, and surfaced. This caused deflection and the detection accuracy was reduced.
- an object of the present invention is to gft the rotating disk mounting structure of the optical encoder with high detection accuracy without causing positional deviation, eccentricity, and surface deflection of the disk.
- the present invention includes a housing, a bearing attached to the housing, a rotating shaft supported by the bearing, and a light transmitting portion or a light shielding portion fixed to the rotating shaft.
- a rotating disk having a code pattern; ⁇
- a light-receiving element that directly or indirectly receives light from a light-emitting element that has passed through the light-transmitting part of the disk and converts it into an electric signal.
- the disk mounting structure of the optical encoder having a circuit for detecting the position of the rotating shaft, a hole through which the rotating shaft passes is provided at the center, and the back surface is mounted on the stepped surface of the rotating shaft.
- FIG. 1 shows an embodiment of the present invention.
- FIG. 1 (a) is a side sectional view of an optical encoder
- FIG. 1 (b) is an enlarged view of a main part.
- FIG. 2 is a side sectional view of a conventional optical encoder.
- FIG. 3 is an enlarged view of a main part of a conventional optical encoder.
- FIG. 1 shows an embodiment of the present invention.
- (A) is a side sectional view of an optical encoder, and
- (b) is an enlarged view of a main part.
- 1 is a housing.
- Reference numeral 2 denotes a rotating shaft supported by the housing 1 and the housing 1 via a bearing 3.
- a stepped surface 2a is provided between the / "portion 2b provided on the upper portion of the rotating shaft 2 and the large-diameter portion 2c provided on the lower portion.
- Reference numeral 4 denotes a rotating disk having a light shielding portion and a 3 ⁇ 4S excess portion pattern (not shown) formed on a transparent material such as glass.
- a spacer 5 is provided on the upper surface of the rotating disk 4 with a gap between the rotating shaft 2. Is provided. 4a is a hole of the rotating disk 4.
- Reference numeral 6 denotes an adhesive applied between the disc fc ⁇ , the disc 4 and the front spacer 5.
- Reference numeral 7 denotes an annular temporary fixing ring provided on the upper surface of the spacer 5.
- 8 is an adhesive filled between the upper surface of the temporary fixing ring 7 and the rotating shaft 2
- 9 is a holder for the light emitting element 10
- the light emitting element 10 is mounted on the holder 9, and fixed to the Hiif own housing 1.
- the arm 11 is a sub-board mounted on the housing 1.
- the light receiving element 12 is mounted on this board surface.
- the c 13 is a board, which is mounted on the housing 1 via a support (not shown).
- An electronic component (not shown) that constitutes a circuit for calculating the amount of rotation is mounted on the board surface of the sickle 13 by connecting the board 13 and the ⁇ ⁇ sub3 ⁇ 411 with a notch shown in FIG. ing.
- the hole 4 a of the rotary disk 4 is fitted into the portion 2 b of the turn 2, and the plate surface of the rotary disk 4 is placed on the stepped surface 2 a of the rotary shaft 2.
- the spacer 5 is fitted into the rotating shaft 2 with a gap, and is fitted to the rotating shaft 2.
- the adhesive 6 is applied to the lower surface of the spacer 5, and the spacer 5 is placed on the upper surface of the rotating disk 4 to put the spacer 5 on the rotating shaft 2. Fit it in 2 with a gap.
- attach the temporary fixing ring ⁇ to the rotating shaft 2 and press the temporary fixing ring 7 with the jig to the temporary fixing ring 5.
- the present invention is applied to an optical encoder, and can be used in a field in which a rotary disk mounting structure of an optical encoder is highly accurate without detecting positional deviation, eccentricity, and surface deflection of the rotary disk. it can.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Analogue/Digital Conversion (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/743,453 US6504146B1 (en) | 1998-07-10 | 1999-07-08 | Disk-mounting structure for optical encoder |
EP99929758A EP1098173B1 (en) | 1998-07-10 | 1999-07-08 | Disk-mounting structure for optical encoder |
DE69929207T DE69929207T2 (de) | 1998-07-10 | 1999-07-08 | Befestigungsvorrichtung für eine scheibe einer optischen kodiervorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/195533 | 1998-07-10 | ||
JP19553398A JP4240164B2 (ja) | 1998-07-10 | 1998-07-10 | 光学式エンコーダの回転ディスク取付け構造とそれを用いた光学式エンコーダ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000003203A1 true WO2000003203A1 (fr) | 2000-01-20 |
Family
ID=16342683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003698 WO2000003203A1 (fr) | 1998-07-10 | 1999-07-08 | Structure de montage de disque pour codeur optique |
Country Status (7)
Country | Link |
---|---|
US (1) | US6504146B1 (ja) |
EP (1) | EP1098173B1 (ja) |
JP (1) | JP4240164B2 (ja) |
KR (1) | KR100522978B1 (ja) |
CN (1) | CN1179195C (ja) |
DE (1) | DE69929207T2 (ja) |
WO (1) | WO2000003203A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100679646B1 (ko) * | 2005-03-07 | 2007-02-06 | 강판규 | 신발 조립체 및 신발 조립체에 착용 가능한 점핑장치 |
GB0607425D0 (en) * | 2006-04-13 | 2006-05-24 | Trw Ltd | Rotor structures for motors |
DE102006036746B4 (de) * | 2006-08-05 | 2016-04-28 | Dr. Johannes Heidenhain Gmbh | Positionsmesseinrichtung |
WO2010119513A1 (ja) * | 2009-04-14 | 2010-10-21 | 三菱電機株式会社 | ロータリーエンコーダ及びその製造方法 |
CN102990457B (zh) * | 2012-12-11 | 2015-04-01 | 吴江市博众精工科技有限公司 | 一种转盘机构 |
CN107356274B (zh) * | 2015-01-09 | 2019-11-05 | 杭州谷立电气技术有限公司 | 使用编码器结构进行电机定位的方法 |
KR102054875B1 (ko) | 2019-05-15 | 2019-12-12 | 주식회사 광우 | 투과형 광학식 엔코더 |
CN111947694A (zh) * | 2020-07-07 | 2020-11-17 | 沈阳中光电子有限公司 | 一种编码器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0559237U (ja) * | 1992-01-11 | 1993-08-06 | シナノケンシ株式会社 | 回転検出用マグネット板およびその取り付け構造 |
JPH0738918U (ja) * | 1991-01-14 | 1995-07-14 | オムロン株式会社 | ロ−タリエンコ−ダ |
JPH08159807A (ja) * | 1994-12-05 | 1996-06-21 | Yaskawa Electric Corp | 回転ディスクの固定方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6148719A (ja) * | 1984-08-16 | 1986-03-10 | Fanuc Ltd | 光学式ロ−タリ−エンコ−ダ |
US5176085A (en) * | 1988-12-23 | 1993-01-05 | Mitsubishi Denki K.K. | Position detecting device |
DE3934339A1 (de) * | 1989-10-14 | 1991-04-25 | Heidenhain Gmbh Dr Johannes | Teilungstraeger aus kunststoff mit einer teilungsstruktur |
US5786646A (en) * | 1996-10-01 | 1998-07-28 | Emerson Electric Co. | Method and apparatus for aligning a rotor position transducer |
US5923032A (en) * | 1997-05-02 | 1999-07-13 | Oak Industries Inc. | Interaligned component optical encoder with integral housing component locating studs and shelf |
-
1998
- 1998-07-10 JP JP19553398A patent/JP4240164B2/ja not_active Expired - Fee Related
-
1999
- 1999-07-08 CN CNB998106704A patent/CN1179195C/zh not_active Expired - Fee Related
- 1999-07-08 US US09/743,453 patent/US6504146B1/en not_active Expired - Lifetime
- 1999-07-08 KR KR10-2001-7000302A patent/KR100522978B1/ko not_active IP Right Cessation
- 1999-07-08 EP EP99929758A patent/EP1098173B1/en not_active Expired - Lifetime
- 1999-07-08 WO PCT/JP1999/003698 patent/WO2000003203A1/ja active IP Right Grant
- 1999-07-08 DE DE69929207T patent/DE69929207T2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0738918U (ja) * | 1991-01-14 | 1995-07-14 | オムロン株式会社 | ロ−タリエンコ−ダ |
JPH0559237U (ja) * | 1992-01-11 | 1993-08-06 | シナノケンシ株式会社 | 回転検出用マグネット板およびその取り付け構造 |
JPH08159807A (ja) * | 1994-12-05 | 1996-06-21 | Yaskawa Electric Corp | 回転ディスクの固定方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4240164B2 (ja) | 2009-03-18 |
CN1317084A (zh) | 2001-10-10 |
CN1179195C (zh) | 2004-12-08 |
KR100522978B1 (ko) | 2005-10-19 |
US6504146B1 (en) | 2003-01-07 |
DE69929207D1 (de) | 2006-02-02 |
DE69929207T2 (de) | 2006-06-22 |
EP1098173B1 (en) | 2005-12-28 |
EP1098173A1 (en) | 2001-05-09 |
JP2000028397A (ja) | 2000-01-28 |
EP1098173A4 (en) | 2004-06-09 |
KR20010071794A (ko) | 2001-07-31 |
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