CN203132565U - Novel encoder - Google Patents
Novel encoder Download PDFInfo
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- CN203132565U CN203132565U CN 201320071840 CN201320071840U CN203132565U CN 203132565 U CN203132565 U CN 203132565U CN 201320071840 CN201320071840 CN 201320071840 CN 201320071840 U CN201320071840 U CN 201320071840U CN 203132565 U CN203132565 U CN 203132565U
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- coded message
- led lamp
- reflection
- photoelectric detector
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Abstract
The utility model discloses a novel encoder comprising an LED lamp, a power supply module, a control module, a lens, a light-reflection code disc, a diffraction grating, a photoelectric detector, a storage module and a CPU module, wherein the storage module is used for storing corresponding relations of coding information and position information of any code zones, the CPU module is used for obtaining the corresponding position information from the storage module based on coding-information electric signals transmitted by the photoelectric detector, and the light-reflection code disc is provided with an annular code track consisting of a plurality of equal-width code zones. Every code zone comprises a plurality of white reflective stripes and a plurality of black non-reflective stripes and represents one coding information. The coding information of every code zone is uniquely corresponding to the position information of the code zone. The novel encoder has the advantages of rapid and accurate positioning, high measurement precision, simple structure, convenience and practicality.
Description
Technical field
The utility model relates to a kind of novel coding device.
Background technology
Along with developing rapidly of manufacturing industry and automatic technology, scrambler also is applied to the every field of industrial automation more and more widely as a kind of digital transducer that merges digital technology and computer technology, as semiconductor, electronics, medical treatment, scanning, printing, scientific research, space measurement, image and special purpose machine tool etc., especially precision measurement and kinematic system.There are the following problems for existing encoder: the location is inaccurate, measuring accuracy is low, complex structure, cost are higher; Long as the scrambler manufacturing process flow based on many code channels grating, cost is high and complex structure, overall dimensions can't further dwindle; Count, utilize the accumulative total with directivity to represent the grating encoder of the variable quantity of displacement as the pulse train that produces by two sheet gration relative motions, though simple, the used grating technological process of principle is short, cost is low but the reliability of data is relatively poor, easily cause error accumulation, and it is irrecoverable to cut off the power supply.
Summary of the invention
The utility model is at the proposition of above problem, and develops a kind of fast and accurate for positioning, novel coding device that measuring accuracy is high, simple in structure, convenient and practical.
The technical solution of the utility model is:
A kind of novel coding device comprises:
The LED lamp; Be used for providing the power module of power supply to the LED lamp; Connect power module, be used for adjusting by the control power module control module of LED lamp luminous intensity and glow frequency; Be used for assembling the lens that the LED lamp emits beam; Be used for the light of receiver lens irradiation and carry out the light reflection code-disc that the part reflection obtains the coded message light signal; Be used for the light reflex code-disc and reflect the diffraction grating that the coded message light signal that obtains carries out diffraction; Be used for to receive the coded message light signal behind the diffraction grating diffraction and carry out the photoelectric detector of opto-electronic conversion; Be used for the coded message in arbitrary yard district of storage and the memory module of positional information corresponding relation; Connect photoelectric detector and memory module, be used for obtaining from memory module according to the coded message electric signal that photoelectric detector transmits the CPU module of correspondence position information; Described light reflection code-disc is provided with the sign indicating number that is equated by a plurality of width and distinguishes the annular code channel that constitutes; Each described sign indicating number district comprises not reflection strip of several white reflection strips and several black; White reflection strip in each yard district and the black not array mode of reflection strip are unique, and wherein white reflection strip represents binary code 1, and black not reflection strip represents binary code 0, and each described sign indicating number district represents a coded message; The coded message in described each yard district is unique corresponding with the positional information in this yard district; Described LED lamp and photoelectric detector are at grade and be positioned at the outside of annular code channel; Described lens place between LED lamp and the annular code channel; Described diffraction grating places between annular code channel and the photoelectric detector;
Further, described memory module is ROM or Flash;
Further, described sign indicating number district links to each other on annular code channel successively, and end to end.
Owing to adopted technique scheme, a kind of novel coding device that the utility model provides, by the LED lamp as light source, power module provides power supply for the LED lamp simultaneously, and utilize control module by controlling power module and then adjusting LED lamp luminous intensity and glow frequency, the light that lens send the LED lamp is assembled and is shone on the annular code channel that light reflection code-disc is provided with, the annular code channel is provided with the sign indicating number district that a plurality of width equate, each described sign indicating number district comprises not reflection strip of several white reflection strips and several black; White reflection strip in each yard district and the black not array mode of reflection strip are unique, and wherein white reflection strip represents binary code 1, and black not reflection strip represents binary code 0, and each described sign indicating number district represents a coded message; The coded message in described each yard district is unique corresponding with the positional information in this yard district, and coded message and the positional information corresponding relation with arbitrary yard district is stored in the memory module simultaneously; Light reflects the light of code-disc receiver lens and carries out the part reflection and obtains the coded message light signal, the coded signal light signal is transferred to photoelectric detector after handling through diffraction grating, photoelectric detector receives the coded message light signal behind the diffraction grating diffraction, carry out after the opto-electronic conversion electric signal being transferred to the CPU module, the coded message in the arbitrary yard district that the coded message light signal that the CPU module transmits according to photoelectric detector and memory module are stored and the corresponding relation of positional information obtain positional information and finish the location, the utility model is by reflective non-contacting absolute fix mode, accurate positioning, the measuring accuracy height, simple in structure, can avoid friction and wear, adopt the circumferential directions code channel, circumferential length and the code-disc space of code-disc have been taken full advantage of, effectively improved the coding figure place, memory module is ROM or Flash in addition, data reliability is strong, can recover after the outage.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, light reflection code-disc, 2, annular code channel, 3, diffraction grating, 4, photoelectric detector, 5, the CPU module, 6, memory module, 7, power module, 8, control module, 9, the LED lamp, 10, lens.
Embodiment
A kind of novel coding device as shown in Figure 1 comprises: LED lamp 9; Be used for providing the power module 7 of power supply to LED lamp 9; Connect power module 7, be used for adjusting by control power module 7 control module 8 of LED lamp 9 luminous intensities and glow frequency; Be used for assembling the lens 10 that LED lamp 9 emits beam; Be used for the light of receiver lens 10 irradiations and carry out the light reflection code-disc 1 that the part reflection obtains the coded message light signal; Be used for light reflex code-disc 1 and reflect the diffraction grating 3 that the coded message light signal that obtains carries out diffraction; Be used for to receive the coded message light signal behind diffraction grating 3 diffraction and carry out the photoelectric detector 4 of opto-electronic conversion; Be used for the coded message in arbitrary yard district of storage and the memory module 6 of positional information corresponding relation; Connect photoelectric detector 4 and memory module 6, be used for obtaining from memory module 6 according to the coded message electric signal that photoelectric detector 4 transmits the CPU module 5 of correspondence position information; Described light reflection code-disc 1 is provided with the sign indicating number that is equated by a plurality of width and distinguishes the annular code channel 2 that constitutes; Each described sign indicating number district comprises not reflection strip of several white reflection strips and several black; White reflection strip in each yard district and the black not array mode of reflection strip are unique, and wherein white reflection strip represents binary code 1, and black not reflection strip represents binary code 0, and each described sign indicating number district represents a coded message; The coded message in described each yard district is unique corresponding with the positional information in this yard district; Described LED lamp 9 and photoelectric detector 4 are at grade and be positioned at the outside of annular code channel 2; Described lens 10 place between LED lamp 9 and the annular code channel 2; Described diffraction grating 3 places between annular code channel 2 and the photoelectric detector 4; Further, described memory module 6 is ROM or Flash; Described sign indicating number district links to each other on annular code channel 2 successively, and end to end.
When using this novel coding device, can utilize shaft coupling to be connected with the center of circle of light reflection code-disc by motor, driven by motor light reflection code-disc at the uniform velocity rotates, thereby drive the annular code channel uniform rotation that comprises a plurality of yards districts, a kind of novel coding device that the utility model provides, by the LED lamp as light source, power module provides power supply for the LED lamp simultaneously, and utilize control module by controlling power module and then adjusting LED lamp luminous intensity and glow frequency, the light that lens send the LED lamp is assembled and is shone on the annular code channel that light reflection code-disc is provided with, the annular code channel is provided with the sign indicating number district that a plurality of width equate, each described sign indicating number district comprises not reflection strip of several white reflection strips and several black; White reflection strip in each yard district and the black not array mode of reflection strip are unique, and wherein white reflection strip represents binary code 1, and black not reflection strip represents binary code 0, and each described sign indicating number district represents a coded message; The coded message in described each yard district is unique corresponding with the positional information in this yard district, and coded message and the positional information corresponding relation with arbitrary yard district is stored in the memory module simultaneously; Light reflects the light of code-disc receiver lens and carries out the part reflection and obtains the coded message light signal, the coded signal light signal is transferred to photoelectric detector after handling through diffraction grating, photoelectric detector receives the coded message light signal behind the diffraction grating diffraction, carry out after the opto-electronic conversion electric signal being transferred to the CPU module, the coded message in the arbitrary yard district that the coded message light signal that the CPU module transmits according to photoelectric detector and memory module are stored and the corresponding relation of positional information obtain positional information and finish the location, the utility model is by reflective non-contacting absolute fix mode, accurate positioning, the measuring accuracy height, simple in structure, can avoid friction and wear, adopt the circumferential directions code channel, circumferential length and the code-disc space of code-disc have been taken full advantage of, effectively improved the coding figure place, memory module is ROM or Flash in addition, data reliability is strong, can recover after the outage.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. novel coding device is characterized in that comprising:
LED lamp (9); Be used for providing the power module (7) of power supply to LED lamp (9); Connect power module (7), be used for adjusting by control power module (7) control module (8) of LED lamp (9) luminous intensity and glow frequency; Be used for assembling the lens (10) that LED lamp (9) emits beam; Be used for the light of receiver lens (10) irradiation and carry out the light reflection code-disc (1) that the part reflection obtains the coded message light signal; Be used for light reflex code-disc (1) and reflect the diffraction grating (3) that the coded message light signal that obtains carries out diffraction; Be used for to receive the coded message light signal behind diffraction grating (3) diffraction and carry out the photoelectric detector (4) of opto-electronic conversion; Be used for the coded message in arbitrary yard district of storage and the memory module (6) of positional information corresponding relation; Connect photoelectric detector (4) and memory module (6), be used for obtaining from memory module (6) according to the coded message electric signal that photoelectric detector (4) transmits the CPU module (5) of correspondence position information; Described light reflection code-disc (1) is provided with the sign indicating number that is equated by a plurality of width and distinguishes the annular code channel (2) that constitutes; Each described sign indicating number district comprises not reflection strip of several white reflection strips and several black; White reflection strip in each yard district and the black not array mode of reflection strip are unique, and wherein white reflection strip represents binary code 1, and black not reflection strip represents binary code 0, and each described sign indicating number district represents a coded message; The coded message in each yard district is unique corresponding with the positional information in this yard district; Described LED lamp (9) and photoelectric detector (4) are at grade and be positioned at the outside of annular code channel (2); Lens (10) place between LED lamp (9) and the annular code channel (2); Described diffraction grating (3) places between annular code channel (2) and the photoelectric detector (4).
2. a kind of novel coding device according to claim 1 is characterized in that described memory module (6) is ROM or Flash.
3. a kind of novel coding device according to claim 1 is characterized in that described sign indicating number district links to each other successively on annular code channel (2), and end to end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071840 CN203132565U (en) | 2013-02-07 | 2013-02-07 | Novel encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320071840 CN203132565U (en) | 2013-02-07 | 2013-02-07 | Novel encoder |
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| Publication Number | Publication Date |
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| CN203132565U true CN203132565U (en) | 2013-08-14 |
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| CN 201320071840 Expired - Fee Related CN203132565U (en) | 2013-02-07 | 2013-02-07 | Novel encoder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395136A (en) * | 2014-09-15 | 2016-03-16 | 江苏美的清洁电器股份有限公司 | Dust collector, side brush abnormity detector and control method and device of side brush motor |
| CN106625690A (en) * | 2016-12-17 | 2017-05-10 | 江门市蓬江区联诚达科技发展有限公司 | Absolute positioning method for assisting robot |
| CN107539867A (en) * | 2016-06-24 | 2018-01-05 | 上海三菱电梯有限公司 | Elevator traction machine |
| CN108734817A (en) * | 2017-04-18 | 2018-11-02 | 浙江安尼智能门窗有限公司 | A kind of smart lock of infrared door position detection |
| CN109341734A (en) * | 2018-11-27 | 2019-02-15 | 北京理工大学 | A kind of absolute type photoelectric code device |
| CN111186687A (en) * | 2020-01-07 | 2020-05-22 | 江苏五洋停车产业集团股份有限公司 | Device and method for monitoring running speed of belt based on photoelectric effect |
-
2013
- 2013-02-07 CN CN 201320071840 patent/CN203132565U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395136A (en) * | 2014-09-15 | 2016-03-16 | 江苏美的清洁电器股份有限公司 | Dust collector, side brush abnormity detector and control method and device of side brush motor |
| CN107539867A (en) * | 2016-06-24 | 2018-01-05 | 上海三菱电梯有限公司 | Elevator traction machine |
| CN107539867B (en) * | 2016-06-24 | 2019-08-06 | 上海三菱电梯有限公司 | Elevator traction machine |
| CN106625690A (en) * | 2016-12-17 | 2017-05-10 | 江门市蓬江区联诚达科技发展有限公司 | Absolute positioning method for assisting robot |
| CN108734817A (en) * | 2017-04-18 | 2018-11-02 | 浙江安尼智能门窗有限公司 | A kind of smart lock of infrared door position detection |
| CN109341734A (en) * | 2018-11-27 | 2019-02-15 | 北京理工大学 | A kind of absolute type photoelectric code device |
| CN111186687A (en) * | 2020-01-07 | 2020-05-22 | 江苏五洋停车产业集团股份有限公司 | Device and method for monitoring running speed of belt based on photoelectric effect |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140207 |