CN205482772U - Straight line magnetic grid formula encoder error correction device - Google Patents
Straight line magnetic grid formula encoder error correction device Download PDFInfo
- Publication number
- CN205482772U CN205482772U CN201620250630.9U CN201620250630U CN205482772U CN 205482772 U CN205482772 U CN 205482772U CN 201620250630 U CN201620250630 U CN 201620250630U CN 205482772 U CN205482772 U CN 205482772U
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- magnetic grid
- straight line
- grid
- grid formula
- formula encoder
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- Linear Motors (AREA)
Abstract
The utility model provides a straight line magnetic grid formula encoder error correction device, it relates to straight -line code ware position detection technique. The utility model discloses a solve the low problem of current sharp magnetic grid formula encoder precision, and then provide a straight line magnetic grid formula encoder error correction device. The utility model discloses pop one's head in the rigid coupling on same motor rotor with grating probe and magnetic grid for the simple compactness of overall structure, the motor stator driving motor active cell, magnetoelectric position value and the synchronous output of photoelectricity position value are set up magnetoelectric position output valve and are answered the form to preserve in sharp magnetic grid formula encoder memory chip with the more mapping relation and the generating pair of high accuracy photoelectricity position output valve, the correction of realization magnetic grid formula encoder position measuring.
Description
Technical field
This utility model relates to magnetism encoder linear displacement detecting error correcting technology field, belongs to sensor subject, is specifically related to a kind of straight line magnetic-grid-type encoder errors correcting unit.
Background technology
Magnetism encoder anti-vibration, the feature that reliability is high, especially under the environment such as greasy dirt, dust, remain able to ensure the work of high reliability, and this excellent characteristic makes it be widely used at military project, aerospace field.But magnetic-grid-type encoder accuracy is relatively low, linear position accuracy of detection is limited by electronic device characteristics.
Summary of the invention
This utility model is to solve the problem that existing straight line magnetic-grid-type encoder accuracy is low, and then provides a kind of straight line magnetic-grid-type encoder errors correcting unit.
This utility model is adopted the technical scheme that by the above-mentioned technical problem of solution:
A kind of straight line magnetic-grid-type encoder errors correcting unit of the present utility model, including grating, it is characterized in that: grating is fixed on motor base, affixed two tracks on described motor base, slide in electric mover face on the track, described electric mover moves under motor stator drives control, affixed magnetic grid probe and raster probe on electric mover, described magnetic grid probe is for receiving the field signal that magnetic grid sends, obtain magnetoelectricity positional value, described raster probe, for receiving the photosignal that grating sends, obtains optoelectronic position value.The precision of grating is higher, uses optoelectronic position value to be modified magnetoelectricity positional value, it is achieved the correction of straight line magnetic-grid-type encoder.
Further, described guide rail also loading limit switch, limit switch is connected with controller, and controller is connected with described motor stator.
This utility model has techniques below effect and an advantage:
This utility model uses magnetic grid probe sampling magnetoelectricity signal, obtain magnetoelectricity positional value, use the raster probe sampled light signal of telecommunication, obtain optoelectronic position value, raster probe and magnetic grid are popped one's head in and is fixed on same electric mover, the precision of grating is higher, sets up stop position value and the mapping relations of magnetic grid positional value, and makes form and realize the correction of magnetic grid site error value.
Accompanying drawing explanation
Fig. 1,2 is overall structure schematic diagram.
1. motor stator in figure, 2. guide rail, 3. grating, 4. motor base, 5. raster probe, 6. electric mover, 7. magnetic grid probe, 8. magnetic grid.
Detailed description of the invention
Embodiment 1, sees accompanying drawing 1,2.
nullA kind of straight line magnetic-grid-type encoder errors correcting unit of the present utility model，Including grating 3，It is characterized in that: grating 3 is fixed on motor base 4，Affixed two tracks 2 on described motor base 4，Electric mover 6 slides at described track 2，Described electric mover 6 moves under motor stator 1 drives control，Affixed magnetic grid probe 7 and raster probe 5 on electric mover 6，Described magnetic grid probe 7 is for receiving the field signal that magnetic grid 8 sends，Obtain magnetoelectricity positional value，Described raster probe 5 is for receiving the photosignal that grating 3 sends，Obtain optoelectronic position value，Synchronism output electric mover 6 place stop position value and magnetic grid positional value，The precision of grating 3 is higher，Set up the higher stop position value of precision and the mapping relations of magnetic grid positional value to be corrected，Obtain correction card and be stored in magnetic grid encoder，Realize the correction of straight line magnetic-grid-type encoder.
Embodiment 2, sees accompanying drawing 1,2.
Other, with embodiment 1, except for the difference that described motor slide rails also install limit switch additional, and limit switch is connected with controller, and controller is connected with described motor stator.When electric mover 4 advances and touches limit switch, signal passes to controller, the adverse movement under motor stator 1 drives control of described electric mover 6, affixed magnetic grid probe 7 and raster probe 5 on electric mover 6, described magnetic grid probe 7 is for receiving the field signal that magnetic grid 8 sends, obtain magnetoelectricity positional value, described raster probe 5 is for receiving the photosignal that grating 3 sends, obtain optoelectronic position value, synchronism output heterodromous electric mover 6 place stop position value and magnetic grid positional value, the precision of grating 3 is higher, set up the higher stop position value of precision and the mapping relations of magnetic grid positional value to be corrected, obtain electric mover 6 adverse movement correction card and be stored in magnetic grid encoder, realize the correction of straight line magnetic-grid-type encoder adverse movement position.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, and its local can also be changed, as long as no the spirit beyond this patent, all in the protection domain of this patent by those skilled in the art.
Claims (1)
- nullA kind of straight line magnetic-grid-type encoder errors correcting unit the most of the present utility model，Including grating (3)，It is characterized in that: grating (3) is fixed on motor base (4)，Described motor base (4) the most affixed upper two tracks (2)，Electric mover (6) slides at described track (2)，Described electric mover (6) moves under motor stator (1) drives control，Electric mover (6) upper the most affixed magnetic grid probe (7) and the raster probe (5)，Described magnetic grid probe (7) is used for receiving the field signal that magnetic grid (8) sends，Obtain magnetoelectricity angle value，Described raster probe (5) is used for receiving the photosignal that grating (3) sends，Obtain Photoelectric angular angle value，The precision of grating (3) is higher，Use optoelectronic position value that magnetoelectricity positional value is modified，Realize the correction of straight line magnetic-grid-type encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250630.9U CN205482772U (en) | 2016-03-29 | 2016-03-29 | Straight line magnetic grid formula encoder error correction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620250630.9U CN205482772U (en) | 2016-03-29 | 2016-03-29 | Straight line magnetic grid formula encoder error correction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482772U true CN205482772U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620250630.9U Expired - Fee Related CN205482772U (en) | 2016-03-29 | 2016-03-29 | Straight line magnetic grid formula encoder error correction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205482772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019100A (en) * | 2020-08-21 | 2020-12-01 | 北京航空航天大学 | Linear motor control system based on wireless data transmission |
| CN114362604A (en) * | 2021-12-31 | 2022-04-15 | 苏州汇川控制技术有限公司 | Linear motor position detection method, system and equipment |
-
2016
- 2016-03-29 CN CN201620250630.9U patent/CN205482772U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019100A (en) * | 2020-08-21 | 2020-12-01 | 北京航空航天大学 | Linear motor control system based on wireless data transmission |
| CN112019100B (en) * | 2020-08-21 | 2022-05-10 | 北京航空航天大学 | Linear motor control system based on wireless data transmission |
| CN114362604A (en) * | 2021-12-31 | 2022-04-15 | 苏州汇川控制技术有限公司 | Linear motor position detection method, system and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |