CN204373620U - A kind of angle displacement measuring device - Google Patents
A kind of angle displacement measuring device Download PDFInfo
- Publication number
- CN204373620U CN204373620U CN201520010519.8U CN201520010519U CN204373620U CN 204373620 U CN204373620 U CN 204373620U CN 201520010519 U CN201520010519 U CN 201520010519U CN 204373620 U CN204373620 U CN 204373620U
- Authority
- CN
- China
- Prior art keywords
- parts
- rotating shaft
- rotary shutter
- photoelectric
- processing module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of angle displacement measuring device, belong to scrambler field, this device comprises rotating shaft, rotating shaft one end is fixed with rotary shutter, light source is located at above rotary shutter, fixing dimmer is provided with below rotary shutter, the below of fixing dimmer is provided with the photoelectric device be made up of two groups of components and parts with light transfer characteristic, described two groups have the intersection of the photosensitive region of the components and parts of light transfer characteristic and the axes intersect of described rotating shaft, described photoelectric device is connected with data processing module parts, described data processing module parts are positioned at immediately below described photoelectric device.The utility model structure is simple, reduces manufacture difficulty, shortens the production cycle, significantly reduce production cost; To each anglec of rotation of measured axis, this device can go to identify by sensitive volume, has absolute position encoder function; After this device power-off restarting, the position of measured axis before power-off can be identified, therefore during power-off, positional information can not be lost.
Description
Technical field
The utility model relates to measurement mechanism, relates to a kind of angle displacement measuring device particularly.
Background technology
Displacement transducer to be gathered around as lathe, robot, production line, elevator etc. at industrial circle and is widely used, the service precision of these machine tools depends on the precision of displacement transducer to a great extent, and displacement transducer widely uses the most with scrambler, can measured angular displacement or straight-line displacement.Scrambler most is at present the device of core with photoelectric code disk based on grating process, and the dividing precision of photoelectric code disk determines the service precision of scrambler, and the precision of photoelectric code disk is higher, and its difficulty of processing is also higher, and the process-cycle is longer, and cost of manufacture is huge.
Summary of the invention
The purpose of this utility model is to provide a kind of angle displacement measuring device to solve the circumscribed technical matters of prior art scrambler photoelectric code disk.
To achieve these goals, the utility model provides following technical scheme:
Angle displacement measuring device, comprise rotating shaft, described rotating shaft lower end is fixed with rotary shutter, light source is located at above described rotary shutter, fixing dimmer is provided with below described rotary shutter, the below of described fixing dimmer is provided with the photoelectric device be made up of two groups of components and parts with light transfer characteristic, described two groups have the intersection of the photosensitive region of the components and parts of light transfer characteristic and the axes intersect of described rotating shaft, photovalve arranged distribution, sensitive volume covers the territory, transparent zone of change, according to the increase of the sensitive volume of two groups of photovalves or reduce the rotation forward or backwards judging measured axis, described photoelectric device is connected with data processing module parts, and described data processing module parts are positioned at immediately below described photoelectric device.During the work of this device, the axle that rotating shaft and needs are measured is made synchronous rotary and is moved, rotary shutter and fixing dimmer relative motion make light lead to area to change, photoelectric device changes a kind of analog quantity into the light quantity received, and is converted to digital quantity carries out segmenting the position of rotation obtaining measured device axle through data processing module parts.
One as the technical program is improved, described in there is light transfer characteristic components and parts be a kind of in photoelectric cell, photoresistance, photoelectric tube.
As another improvement of the technical program, described data processing module parts are used for being converted to digital quantity to the photosensitive analog quantity that this photoelectric device exports, and union goes out the anglec of rotation of current measured axis and this rotation angle information exported.
In a word, the utility model compared with prior art has following technical advantage:
The utility model is with light source, rotating shaft, rotary shutter, fixing dimmer, photoelectric device, data processing module parts form a brand-new angle displacement measuring device, during the work of this device, the axle that rotating shaft and needs are measured is made synchronous rotary and is moved, rotary shutter and fixing dimmer relative motion make light lead to area to change, photoelectric device changes analog quantity into the light quantity received, be converted to digital quantity through data processing module parts to carry out segmenting the position of rotation namely obtaining measured device axle, the technical difficult problem of prior art scrambler measuring accuracy by the restriction of photoelectric code disk is solved by using this device, the utility model structure is simple simultaneously, reduce manufacture difficulty, shorten the production cycle, significantly reduce production cost, to each anglec of rotation of measured axis, this device can go to identify by sensitive volume, has absolute position encoder function, after this device power-off restarting, the position of measured axis before power-off can be identified, therefore during power-off, positional information can not be lost.
Accompanying drawing explanation
Fig. 1 is the angle displacement measuring device structural representation in embodiment;
Fig. 2 is the shading scope schematic diagram of angle displacement measuring device;
Fig. 3 is the opto-electronic conversion curve map of embodiment three
In figure: 1 light source, 2 rotating shafts, 3 rotary shutters, 4 fixing dimmers, 5 photoelectric devices, 6 data processing module parts, 51 first groups of photoelectric cells, 52 second groups of photoelectric cells.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with drawings and Examples, be clearly and completely described the technical scheme in the utility model, obviously, described embodiment is only utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, for the angle displacement measuring device structural representation of the present embodiment, comprise rotating shaft 2, described rotating shaft 2 lower end is fixed with rotary shutter 3, light source 1 is located at above described rotary shutter 3, fixing dimmer 4 is provided with below described rotary shutter 3, the below of described fixing dimmer 4 is provided with the photoelectric device 5 be made up of two groups of components and parts with light transfer characteristic, described two groups have the intersection of the photosensitive region of the components and parts of light transfer characteristic and the axes intersect of described rotating shaft 2, photovalve arranged distribution, sensitive volume covers the territory, transparent zone of change, according to the increase of the sensitive volume of two groups of photovalves or reduce the rotation forward or backwards judging measured axis, the described components and parts with light transfer characteristic are photoelectric cell, photoresistance, one in photoelectric tube, photoelectric cell is preferably in the present embodiment, described photoelectric device 5 is connected with data processing module parts 6, and described data processing module parts 6 are positioned at immediately below described photoelectric device 5.
During the work of this device, light source 1 is energized, and rotating shaft 2 and measured axis are linked together by shaft coupling, and rotating shaft and measured axis do synchronous rotary and move, rotary shutter 3 and the relative motion of fixing dimmer 4 make light lead to area to change, and photoelectric cell produces the photocurrent of respective change; As shown in Figure 2, when rotary shutter 3 rotates to A (first group of photoelectric cell 51), B (second group of photoelectric cell 52) position, logical light quantity is equal, two places are symmetrical about the photosensitive interphase of two groups of photoelectric cells 5, with rotary shutter 3 complete shading part for starting point, photoelectric cell 5 produce photocurrent as shown in Figure 3, I
abe that first group of photoelectric cell 51 responds to the photocurrent produced, I
bbe that the photocurrent produced responded to by second group of photoelectric cell 52, I is the total current that two groups of photoelectric cells export, i.e. I=I
a+ I
b; Photocurrent is converted to digital quantity by data processing module parts 6, the anglec of rotation θ (0 °-360 °) of digital quantity S (0-2D) this device corresponding; Wherein S=S
a+ S
b, S
a, S
bbe respectively I
a, I
bcorresponding digital quantity, value scope (0-D),
wherein, I
0for electric current during complete shading, k is rate mu-factor.Work as I
a<I
b,
work as I
a>I
b,
s
a-I
a, I
b-S
b, S-θ relation inputs data processing module as storehouse, completes measurement.
Claims (2)
1. an angle displacement measuring device, it is characterized in that, comprise rotating shaft, described rotating shaft one end is fixed with rotary shutter, light source is located at above described rotary shutter, fixing dimmer is provided with below described rotary shutter, the below of described fixing dimmer is provided with the photoelectric device be made up of two groups of components and parts with light transfer characteristic, described two groups have the intersection of the photosensitive region of the components and parts of light transfer characteristic and the axes intersect of described rotating shaft, described photoelectric device is connected with data processing module parts, described data processing module parts are positioned at immediately below described photoelectric device.
2. a kind of angle displacement measuring device as claimed in claim 1, is characterized in that, described in there is light transfer characteristic components and parts be one in photoelectric cell, photoresistance, photoelectric tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010519.8U CN204373620U (en) | 2015-01-08 | 2015-01-08 | A kind of angle displacement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010519.8U CN204373620U (en) | 2015-01-08 | 2015-01-08 | A kind of angle displacement measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204373620U true CN204373620U (en) | 2015-06-03 |
Family
ID=53329834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010519.8U Expired - Fee Related CN204373620U (en) | 2015-01-08 | 2015-01-08 | A kind of angle displacement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204373620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247994A (en) * | 2016-08-15 | 2016-12-21 | 中国电子科技集团公司第四十研究所 | The photoelectric detection system of a kind of motor positioning precision and method |
-
2015
- 2015-01-08 CN CN201520010519.8U patent/CN204373620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247994A (en) * | 2016-08-15 | 2016-12-21 | 中国电子科技集团公司第四十研究所 | The photoelectric detection system of a kind of motor positioning precision and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104567740A (en) | Angular displacement measurement device and measurement method thereof | |
| CN102494599B (en) | Position detection method of large-calibre millimetre wave/sub-millimetre wave telescope control system | |
| CN105666490A (en) | Calibration system and method of robot | |
| CN102435133A (en) | FPGA (field programmable gate array)-based resolver angle measurement system | |
| CN103176450A (en) | Servo drive device and servo control system | |
| CN106482669A (en) | A kind of angle displacement measurement system of employing twin-line array image detector | |
| CN103245371A (en) | Position detection and valve position and stroke detection integral coder for motor rotator | |
| CN102914277A (en) | Photoelectric sensor for measuring angular displacement of rotating shaft and measurement method thereof | |
| CN103512598A (en) | Absolute type matrix encoder | |
| CN204373620U (en) | A kind of angle displacement measuring device | |
| CN104868812B (en) | Large-scale spliced arc electric motor rotor exact position detecting system and its detection method | |
| CN103411635A (en) | Code micro-macro combined collection method of absolute grating ruler | |
| CN104567742A (en) | Novel displacement measurement device and method | |
| CN204373621U (en) | A kind of Novel angle displacement measuring device | |
| CN202092660U (en) | Scenery simulator applicable to TDI (Transport Driver Interface) camera | |
| CN101846529A (en) | Decoding circuit of spaceborne absolute type photoelectric axial angle encoder based on DSP (Digital Signal processor) | |
| CN203464944U (en) | Multi ring absolute encoder applied to multi turn electric actuator | |
| CN104567743A (en) | Angle displacement measurement device and measurement method thereof | |
| CN104567745A (en) | Rotary encoder based on light sensation principle and measuring method thereof | |
| CN116295550A (en) | Novel photoelectric encoder code wheel design method | |
| CN203364856U (en) | Absolute-type matrix coding disc | |
| CN206974374U (en) | A kind of simple absolute circle grating scale | |
| CN104567744A (en) | Learning-type high-precision angular encoder and measurement method thereof | |
| CN103954788B (en) | Locomotive photoelectric sensor displacement method of reseptance and signal pickup assembly | |
| CN110411485A (en) | The transmission-type absolute rotary encoder and measurement method of light interference are filtered out based on exposure mask |
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: 20150603 Termination date: 20170108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |