CN2852059Y - Modularized high-bit multi-ring absolute type optoelectronic encoder - Google Patents
Modularized high-bit multi-ring absolute type optoelectronic encoder Download PDFInfo
- Publication number
- CN2852059Y CN2852059Y CN 200520140333 CN200520140333U CN2852059Y CN 2852059 Y CN2852059 Y CN 2852059Y CN 200520140333 CN200520140333 CN 200520140333 CN 200520140333 U CN200520140333 U CN 200520140333U CN 2852059 Y CN2852059 Y CN 2852059Y
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- China
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- gear
- main body
- main shaft
- reading mechanism
- shaft
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Abstract
The utility model relates to a modularized high-bit multi-ring absolute type optoelectronic encoder, which is used as a detecting element or a feedback element of a motor servo system and an automatic control system, and belongs to a novel displacement and angle sensor. The utility model is mainly characterized in that a main shaft is adopted to connect with a gear shaft into a whole body, the gear shaft is provided with a gear wheel which is in mesh with a ring-recording gear wheel, a grating disk is installed on the main shaft, and a shaft bearing is supported between the grating disk and a main body. An optoelectronic assembly reading mechanism, a circuit board, and a ring-recording optoelectronic assembly reading mechanism are respectively installed in a casing and tightly fixed on the main body respectively. The optoelectronic encoder has the advantages of reasonable and compact structure with simplicity. Due to the adoption of a novel optoelectronic device with high efficiency and high integration, and the regulation of lengthening and concentric positioning of the main shaft, the axial dimensions of products are reduced, the rate of finished products is increased, and the cost is lowered. The utility model can be widely used for a permanent magnetism AC servo motor, reservoir gate control, the angular position measurement of aerospace equipment, etc.
Description
Technical field
The utility model relates to the high-order multi-turn absolute optical encoder of a kind of modularization, specifically is used for motor servo system and automatic control system as detecting element or feedback element, belongs to a kind of novel displacement and angular transducer.
Background technology
Before the utility model was made, in prior art, common single-ring absolute type optical electric axial angle encoder normally was made up of main shaft, housing, grating dish, circuit board, photoelectric cell, photoelectric tube etc., and adopting photoelectric cell, photoelectric tube is the Photoelectric Detection scheme.Because its structure adopts the restriction of components and parts and configuration, can only produce the low level absolute type encoder, the individual pen resolution the highlyest can only reach 14 (promptly 2 on the scrambler of diameter 66
14=16384), its production technology assembling and setting difficulty, yield rate is low, volume is big, poor reliability.And its sensing range is defined as: 0 °-360 °, surpass 360 ° after output code repeat, can't differentiate, the user can't use.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of basic position photoelectric subassembly reading mechanism that adopts high integration, accurate compact multi-gear note circle photoelectric subassembly reading mechanism, and the shafting structure of gear is made in the concentric locating of main shaft lengthening, end, used the concentric locating of main shaft lengthening to regulate, both reduce the product axial dimension, improved the product row yielding again, and the high-order multi-turn absolute optical encoder of the modularization that can reduce cost.
Main solution of the present utility model is achieved in that
The utility model mainly adopts main shaft 1 to combine an integral body with gear shaft 10, is shaped on gear and 9 engagements of note circle gear on the gear shaft 10, and by bearing 2 and the 3 concentric connections of fixed part main body, grating dish 5 is contained on the main shaft 1 and is combined as a whole with axle system; By bearings, photoelectric subassembly reading mechanism 6, circuit board 7, note circle photoelectric subassembly reading mechanism 8 are installed in respectively in the housing 4, and are fastened on respectively on the main body 3 between grating dish 5 and the main body 3.
Compared with the prior art the utility model has the following advantages:
The utility model is simple, compact and reasonable for structure; Owing to adopted novel, efficient, high integration photoelectric device, selected for use the concentric locating of main shaft lengthening to regulate, both reduced the product axial dimension, improved the product row yielding again, reduced cost; Because adopt accurate compact multi-gear note circle photoelectric subassembly reading mechanism, the note circle gear that the while is made gear driven note circle photoelectric subassembly reading mechanism at the spindle end head can rotate synchronously; The blank of the similar high-end product domestic production of scrambler industry has been filled up in the production of the high-order multi-turn absolute photoelectric shaft encoder of this modularization, application; It is of many uses, but main application is permanent magnetic Ac servo motor, the control of hydrology water conservancy gate, the measurement of aerospace equipment angle position etc.; Can be applicable to textile machine, harbour, reservoir strobe control, Aero-Space, industrial control automation etc. simultaneously.
Description of drawings
Fig. 1 is position, the direct hole of a utility model main body mount type structural drawing.
Fig. 2 is position, the direct hole of a utility model main body mount type left view.
Fig. 3 is servo flange-type structural drawing for the utility model main body carries.
Fig. 4 is servo flange-type left view for the utility model main body carries.
Fig. 5 is the utility model circuit frame principle figure.
Embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model mainly is made up of main shaft 1, bearing 2, main body 3, housing 4, grating dish 5, photoelectric subassembly reading mechanism 6, circuit board 7, note circle photoelectric subassembly reading mechanism 8, note circle gear 9, tooth spindle nose 10, pillar 11, cable 12 etc.
The utility model is mainly altogether by four most of composition the, i.e. pivotable parts axle system, fixed part photoelectric subassembly, main body, note circle photoelectric subassembly reading mechanism and circuit parts.
Adopt main body direct hole position mount type and main body to carry servo flange mount type, all be by main shaft 1 is combined (or make an integral body with main shaft 1 and gear shaft 10) with the gear shaft 10 of termination band gear, by precision bearing 2 and the 3 concentric connections of fixed part main body, basic position grating dish 5 is contained on the main shaft 1, and basic position grating dish 5 is combined as a whole with axle system; Pivotable parts is that rotary axis has adopted main shaft 1 lengthening concentric locating to regulate, and 2 grades on bearing, grating dish 5 holder shelves are made the glue filling trough fastening structure, and is shaped on gear and 9 engagements of note circle gear on main shaft 1 termination gear shaft 10; Free to rotate between the main body 3 of grating dish 5 and fixed part by bearings.User's axle connects by shaft coupling and main shaft 1 (being grating dish 5), and when user's axle rotated, the main shaft of this product (grating dish 5), spindle end gear also rotated thereupon synchronously, and the note circle gear 9 that drives note circle photoelectric subassembly reading mechanism simultaneously rotates; Rotate and photoelectric reading by arranging according to certain rules between the 3-50 group gear in the note circle reading mechanism 8, promptly realize exporting by basic photoelectric subassembly reading mechanism 6 readings and with the square wave code in the main shaft 1 every circle of rotation (360 °), enclose and export by remembering that circle photoelectric subassembly reading mechanism 8 is remembered when main axis rotation surpasses 360 ° with the square wave code.Circuit board 7, note circle photoelectric subassembly reading mechanism 8 are installed in respectively in the housing 4, and are fastened on the main body 3 by screw or pillar 11 respectively.Cable 12 is fixed on the housing 4.
Position, the direct hole of its main body of this product fixed part mount type is to be screwed on the end face of user installation by three holes on the main body 3.Or on main body 3, make servo flange groove, main body carries servo flange mount type and also can select else to select simultaneously and utilize servo flange groove to press-fit on the end face of user installation.
The utility model circuit theory
Grating dish 5 arrange according to certain rules 16 promptly 2
0, 2
1, 2
2, 2
3, 2
4, 2
5, 2
6, 2
7, 2
8, 2
9, 2
10, 2
11, 2
12, 2
13, 2
14, 2
15, 2
16Or 12 promptly 2
0, 2
1, 2
2, 2
3, 2
4, 2
5, 2
6, 2
7, 2
8, 2
9, 2
10, 2
11, 2
12Pattern, carry out the matrix data collection by the optical gate effect of the logical light of photoelectric subassembly, obstructed light, form the photocurrent of analog sine, photoelectric subassembly inside is amplified the shaping data computation to photocurrent and is processed into electric signal; Remember that enclosing 14 of the 3-50 group gear formation of arranging rotation in the photoelectric subassembly reading mechanism 8 according to certain rules is 2
0, 2
1, 2
2, 2
3, 2
4, 2
5, 2
6, 2
7, 2
8, 2
9, 2
10, 2
11, 2
12, 2
13, 2
14Logical signal, driving note circle gear 9 by shaft head gear when main shaft 1 rotates rotates synchronously, and carry out the matrix data collection by the reflected light of photoelectric subassembly, not catoptrical optical gate effect, form the photocurrent of analog sine, photoelectric subassembly inside is amplified the shaping data computation to photocurrent and is processed into electric signal; Grating dish 5 rotates the electric signal and the note circle gear 9 that produce and rotates the electric signal that note circle photoelectric subassembly reading mechanism 8 is produced with main shaft 1 synchronously, two paths of signals is warp one-level amplification later shaping, the computing of logical circuit IC chip signal again, the code signal of absolute positions such as the Gray code (Gray code) of promptly exportable reflection user rotating shaft absolute position or binary code.The user can handle use according to this square wave (sine wave) in subsequent conditioning circuit.
The utility model principle of work:
Useful photoetching process is scribed on the utility model grating dish 5, arrange according to certain rule, printing opacity or lighttight pattern code.When user's axle rotates 1 rotation synchronously of this product of drive main shaft, grating dish 5 also rotates and passes through thereupon the groove of photoelectric subassembly reading mechanism 6 synchronously, at this moment photoelectric subassembly reading mechanism 6 will and change electric signal into printing opacity on the grating dish 5 or the reception of lighttight signal, the logical circuit that signal is formed by the electron device on photoelectric subassembly reading mechanism 6 and the circuit board 7 again is treated as the square wave that reflects the code on the grating dish 5; Simultaneously, this product main shaft 1 (being grating dish 5) and spindle end gear engagement (or making) are an integral body, when user's axle rotated, the main shaft of this product (grating dish 5), spindle end gear 10 also rotated thereupon synchronously, and the note circle gear 9 that drives note circle photoelectric subassembly reading mechanism rotates; Rotate and photoelectric reading by arranging according to certain rules between the 3-50 group gear of establishing in the note circle reading mechanism, promptly realize in the main shaft 1 every circle of rotation (360 °) by basic position photoelectric subassembly reading mechanism 6 readings and with the output of square wave code, remember circle by note circle photoelectric subassembly reading mechanism 8 when main axis rotation surpasses 360 ° and export with the square wave code.The square wave of output is 360 ° of number of turns with interior position and main shaft 1 rotation of reflection grating dish, and with absolute position sign indicating numbers such as Gray code (Gray code) or binary codes, adopt SSI serial, the circuit way of output parallel or bus to export, to realize the reliable transmission of signal.This electric signal output has promptly comprised the information of user's axle motion state position, has finished by the conversion of mechanical motion physical quantity (position, speed, acceleration) to electric weight.
The utility model basic position resolution on the scrambler of diameter 60 can reach 16 (2
16=65536), note circle resolution can reach 14 (2
14=16384 circles), total resolution can reach 30 (2
162
14=2
30=1073741824).
Claims (4)
1, the high-order multi-turn absolute optical encoder of a kind of modularization, mainly comprise main shaft (1), main body (3), grating dish (5), circuit board (7), it is characterized in that adopting main shaft (1) and gear shaft (10) to be made as an integral body, main shaft (1) is shaped on gear and note circle gear (9) engagement with the termination of gear shaft (10), by bearing (2) and the concentric connection of main body (3), grating dish (5) is contained in main shaft (1) and upward is combined as a whole with axle system; By bearings, photoelectric subassembly reading mechanism (6), circuit board (7), note circle photoelectric subassembly reading mechanism (8) are installed in respectively in the housing (4), and are fastened on respectively on the main body (3) between grating dish (5) and the main body (3).
2, the high-order multi-turn absolute optical encoder of modularization according to claim 1 is characterized in that the gear that described note circle photoelectric subassembly reading mechanism (8) inside has the 3-50 group to arrange according to certain rules.
3, the high-order multi-turn absolute optical encoder of modularization according to claim 1 is characterized in that being shaped on groove on the described photoelectric subassembly reading mechanism (6).
4, the high-order multi-turn absolute optical encoder of modularization according to claim 1 is characterized in that describedly making servo flange groove on main body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140333 CN2852059Y (en) | 2005-12-21 | 2005-12-21 | Modularized high-bit multi-ring absolute type optoelectronic encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140333 CN2852059Y (en) | 2005-12-21 | 2005-12-21 | Modularized high-bit multi-ring absolute type optoelectronic encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852059Y true CN2852059Y (en) | 2006-12-27 |
Family
ID=37586018
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140333 Expired - Fee Related CN2852059Y (en) | 2005-12-21 | 2005-12-21 | Modularized high-bit multi-ring absolute type optoelectronic encoder |
Country Status (1)
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| CN (1) | CN2852059Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545912A (en) * | 2011-12-27 | 2012-07-04 | 温州奇玺电器科技有限公司 | Absolute value coder |
| CN105716634A (en) * | 2016-04-03 | 2016-06-29 | 长春汇通光电技术有限公司 | Multi-turn encoder adopting reed pipes and direction judging and turn-number counting method thereof |
| CN109238177A (en) * | 2018-10-16 | 2019-01-18 | 大连探索者科技有限公司 | A kind of combined type angular transducer with measurement multi-turn angle function |
| CN109556640A (en) * | 2019-01-22 | 2019-04-02 | 蚌埠学院 | A kind of absolute multi-turn photoelectric encoder |
-
2005
- 2005-12-21 CN CN 200520140333 patent/CN2852059Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545912A (en) * | 2011-12-27 | 2012-07-04 | 温州奇玺电器科技有限公司 | Absolute value coder |
| CN102545912B (en) * | 2011-12-27 | 2015-12-16 | 温州奇玺电器科技有限公司 | Absolute value encoder |
| CN105716634A (en) * | 2016-04-03 | 2016-06-29 | 长春汇通光电技术有限公司 | Multi-turn encoder adopting reed pipes and direction judging and turn-number counting method thereof |
| CN109238177A (en) * | 2018-10-16 | 2019-01-18 | 大连探索者科技有限公司 | A kind of combined type angular transducer with measurement multi-turn angle function |
| CN109238177B (en) * | 2018-10-16 | 2020-05-05 | 大连探索者科技有限公司 | Combined type angle sensor with measure many rings of angle functions |
| CN109556640A (en) * | 2019-01-22 | 2019-04-02 | 蚌埠学院 | A kind of absolute multi-turn photoelectric encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RUIPU AVAGO(WUXI) ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: RUIPU SCIENCE AND TECHNOLOGY CO., LTD., WUXI Effective date: 20100714 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100714 Address after: 214124 Jiangsu city of Wuxi province Binhu Development Zone, Road No. 6 Patentee after: Ruipu Avago (Wuxi) Electronic Technologies Co., Ltd. Address before: 214124 Jiangsu city of Wuxi province Binhu Development Zone, Road No. 6 Patentee before: Wuxi Rep Technology Co., LTD. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061227 Termination date: 20131221 |