CN208847237U - Photoelectricity absolute value encoder synchronizes detection structure - Google Patents
Photoelectricity absolute value encoder synchronizes detection structure Download PDFInfo
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- CN208847237U CN208847237U CN201821691723.0U CN201821691723U CN208847237U CN 208847237 U CN208847237 U CN 208847237U CN 201821691723 U CN201821691723 U CN 201821691723U CN 208847237 U CN208847237 U CN 208847237U
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Abstract
The utility model relates to encoder techniques fields, more particularly to a kind of synchronous detection structure of photoelectricity absolute value encoder, including luminous tube, reception pipe and slit frame, it further include multi-turn measurement structure, multi-turn measurement structure includes first gear group, second gear group and single-ring encoder, first gear group, second gear group is the consistent secondary gear group of parameter, the primary pinion of first gear group connects with driving shaft, its primary pinion final-stage gear and the primary pinion of second gear group link, single-ring encoder is fixedly installed on driving shaft, first gear group, circular arc type through slot is offered on the final-stage gear of second gear group, the both ends of circular arc type through slot are respectively arranged with luminous tube and reception pipe；The utility model is intended to provide a kind of simply synchronous detection structure of the structure that achievable multi-turn accurately measures.
Description
Technical field
The utility model relates to encoder techniques fields, and in particular to a kind of photoelectricity absolute value encoder is synchronous to detect knot
Structure.
Background technique
Absolute type rotary photoelectric encoder, because each of which position it is absolutely unique, it is anti-interference, be not necessarily to power-failure memory,
Angle, linear measure longimetry and the location control being applied in various industrial systems more and more widely；On absolute encoder optical code disk
There are many road optical channel grooves, and per pass groove is successively with 2 lines, 4 lines, 8 lines, 16 line layouts, in this way, in each position of encoder
It sets, by reading the logical, dark of per pass groove, obtains unique 2 scale coding of one group of n-1 power from 2 zero degree side to 2
(Gray code), this is known as n absolute encoders.Such encoder is remembered by photoelectric code disk.
Absolute encoder determines coding by mechanical location, it is without memory, without looking for reference point, and does not have to count always
When number, need location aware, when just go to the position for reading it.In this way, the noiseproof feature of encoder, data
Reliability substantially increase.
The encoder of the prior art is when counting shaft multi-turn, mostly by using multi-turn optical electric axial angle encoder,
The inside of multi-turn optical electric axial angle encoder is mostly dicode dish structure, and one is used to mark individual pen angle information, and one for recording
The circle number that shaft turns over；Or the method using more single-ring encoder measurement in a closed series multi-turn systems, structure are relatively complicated.
Summary of the invention
The technical issues of solution
For disadvantages mentioned above present in the prior art, it is synchronous that the utility model provides a kind of photoelectricity absolute value encoder
Detection structure, the utility model are intended to provide a kind of simply synchronous detection structure of the structure that achievable multi-turn accurately measures.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of photoelectricity absolute value encoder synchronization detection structure, including luminous tube, reception pipe and slit frame, further include multi-turn
Measurement structure, the multi-turn measurement structure include first gear group, second gear group and single-ring encoder, the first gear
Group, second gear group are the consistent secondary gear group of parameter, and the primary pinion of the first gear group connects with driving shaft, primary
Gear final-stage gear and the primary pinion of second gear group link, and the individual pen coding is fixedly installed on the driving shaft
Device, the first gear group, second gear group final-stage gear on offer circular arc type through slot, the both ends of the circular arc type through slot
It is respectively arranged with the luminous tube and reception pipe.
Further, the reception pipe is fixed on the rear end of slit frame, and the slit of slit frame and circular arc type through slot are flat
Together.
Further, the first gear group, second gear group are the gear wheel and pinion gear composition of a pair of meshing.
Further, the center of circle of the circular arc type through slot and the axle center of the gear are concentric, the circular arc type through slot
Arc length is semicircle arc length.
Further, the outside of the reception pipe is connected with zoom comparison circuit, decoding circuit and correcting circuit in turn.
Beneficial effect
It is had the following beneficial effects: compared with known publicly-owned technology using technical solution provided by the utility model
1, the utility model is by offering circular arc type through slot on the final-stage gear of first gear group, second gear group,
Cooperate the use of slit frame again, the absolute information of main shaft circle number can be obtained, realizes multi-turn absolute measurement；The use of gear set,
It can be by using different transmission ratios to gear wheel and pinion gear, so as to the metering of a variety of circle numbers.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first gear group and second gear group connection schematic diagram of the utility model；
Fig. 2 is the slit frame scheme of installation of the utility model；
Fig. 3 is the final-stage gear floor map of the utility model；
Label in figure respectively represents: 1- luminous tube；2- reception pipe；3- slit frame；4- first gear group；5- second gear
Group；6- single-ring encoder；7- driving shaft；8- final-stage gear；9- gear wheel；10- pinion gear；801- circular arc type through slot.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Below with reference to embodiment, the utility model will be further described.
Embodiment
A kind of synchronous detection structure of photoelectricity absolute value encoder of the present embodiment, referring to Fig.1-3: including luminous tube 1, receiving
Pipe 2 and slit frame 3, further include multi-turn measurement structure, and multi-turn measurement structure includes first gear group 4, second gear group 5 and individual pen
Encoder 6, first gear group 4, second gear group 5 are the consistent secondary gear group of parameter, the primary pinion of first gear group 4 and master
Moving axis 7 connects, and primary pinion final-stage gear 8 and the primary pinion of second gear group 5 link, fixed peace on driving shaft 7
Equipped with single-ring encoder 6, first gear group 4, second gear group 5 final-stage gear 8 on offer circular arc type through slot 801, circular arc
The both ends of type through slot 801 are respectively arranged with luminous tube 1 and reception pipe 2.
Reception pipe 2 is fixed on the rear end of slit frame 3, and the slit of slit frame 3 is concordant with circular arc type through slot 801.
First gear group 4, second gear group 5 are that the gear wheel 9 of a pair of meshing and pinion gear 10 form.
The center of circle of circular arc type through slot 801 and the axle center of gear are concentric, and the arc length of circular arc type through slot 801 is semicircle arc length.
The outside of reception pipe 2 is connected with zoom comparison circuit, decoding circuit and correcting circuit in turn.
The utility model is by offering circular arc type through slot on the final-stage gear 8 of first gear group 4, second gear group 5
801, then cooperate the use of slit frame 3, the absolute information of main shaft circle number can be obtained, realizes multi-turn absolute measurement；Gear set
It uses, it can be by using different transmission ratios to gear wheel 9 and pinion gear 10, so as to the metering of a variety of circle numbers.
Working principle: selecting 28 teeth of the number of teeth of gear wheel 9 herein, and the number of teeth of pinion gear 10 is 14 teeth, first gear group
4, the transmission ratio for the transmission system that second gear group 5 is formed is 1:16, i.e., when driving shaft 7 turns over 16 circles, the end of second gear group 5
One circle of grade gear 8 rotation, the slit frame 3 by being separated by 90 ° of settings at final-stage gear 8 exports 2 lap informations, i.e., recordable
16 circle information after correction process, obtain precise turn by decoding.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modify or replace, can't make corresponding technical solution essence be detached from various embodiments of the utility model technical solution spirit and
Range.
Claims (5)
1. a kind of synchronous detection structure of photoelectricity absolute value encoder, including luminous tube, reception pipe and slit frame, it is characterised in that:
It further include multi-turn measurement structure, the multi-turn measurement structure includes first gear group, second gear group and single-ring encoder, described
First gear group, second gear group are the consistent secondary gear group of parameter, primary pinion and the driving shaft phase of the first gear group
It connects, primary pinion final-stage gear and the primary pinion of second gear group link, and are fixedly mounted on the driving shaft
State single-ring encoder, the first gear group, second gear group final-stage gear on offer circular arc type through slot, the circular arc type
The both ends of through slot are respectively arranged with the luminous tube and reception pipe.
2. a kind of photoelectricity absolute value encoder according to claim 1 synchronizes detection structure, which is characterized in that the reception
Pipe is fixed on the rear end of slit frame, and the slit of slit frame is concordant with circular arc type through slot.
3. a kind of photoelectricity absolute value encoder according to claim 1 synchronizes detection structure, which is characterized in that described first
Gear set, second gear group are the gear wheel and pinion gear composition of a pair of meshing.
4. a kind of photoelectricity absolute value encoder according to claim 1 synchronizes detection structure, which is characterized in that the circular arc
The center of circle of type through slot and the axle center of the gear are concentric, and the arc length of the circular arc type through slot is semicircle arc length.
5. a kind of photoelectricity absolute value encoder according to claim 1 synchronizes detection structure, which is characterized in that the reception
The outside of pipe is connected with zoom comparison circuit, decoding circuit and correcting circuit in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691723.0U CN208847237U (en) | 2018-10-18 | 2018-10-18 | Photoelectricity absolute value encoder synchronizes detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691723.0U CN208847237U (en) | 2018-10-18 | 2018-10-18 | Photoelectricity absolute value encoder synchronizes detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847237U true CN208847237U (en) | 2019-05-10 |
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ID=66375704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691723.0U Active CN208847237U (en) | 2018-10-18 | 2018-10-18 | Photoelectricity absolute value encoder synchronizes detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208847237U (en) |
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2018
- 2018-10-18 CN CN201821691723.0U patent/CN208847237U/en active Active
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