CN100560267C - The accurate obtaining value method of coordinate points and value device thereof in the scanning system - Google Patents
The accurate obtaining value method of coordinate points and value device thereof in the scanning system Download PDFInfo
- Publication number
- CN100560267C CN100560267C CN 200810007067 CN200810007067A CN100560267C CN 100560267 C CN100560267 C CN 100560267C CN 200810007067 CN200810007067 CN 200810007067 CN 200810007067 A CN200810007067 A CN 200810007067A CN 100560267 C CN100560267 C CN 100560267C
- Authority
- CN
- China
- Prior art keywords
- axis
- accurate
- pulse number
- instruction
- coordinate
- 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.)
- Active
Links
Images
Landscapes
- Facsimile Scanning Arrangements (AREA)
Abstract
The present invention relates to the accurate obtaining value method of coordinate points in the scanning system, comprise the masterplate that has the accurate coordinates aperture in the scanning system, obtaining value method comprises: the instruction step is used to indicate scanner to send X-axis according to sequential and uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X; Receiving step sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top; Recording step is used to write down article one or the last item scan line pulse pairing X-axis coordinate figure X0 or Xn; Counting step is used to calculate the X-axis overall pulse number of receiving; Calculation procedure is used for calculating according to formula the accurate X-axis at aperture center, and described formula is X=X0 (Xn) ± Δ X*X axle overall pulse number/2, in like manner can survey the Y-axis coordinate.The invention still further relates to corresponding value device.This obtaining value method and value device can accurately be measured the coordinate points of workpiece in the scanning system, and be simple, resolution ratio height and accuracy height.
Description
Technical field
The present invention relates to a kind of obtaining value method and device, relate in particular to the accurate obtaining value method and the device thereof of coordinate points in a kind of scanning system.
Background technology
In laser processing procedure, often need with the software control laser scanner (masterplate as shown in Figure 1 on the center of laser beam flying point of certain known accurate mechanical coordinate to the workbench, this masterplate band accurate coordinates aperture 1), to obtain the coordinate points in the corresponding software in aperture center.Do not have very good scheme in the industry at present, the most frequently used method is to judge by estimating, though this method is simple, resolution ratio is low, accuracy is not high.And when using existing software to come that the aperture center carried out value, the coordinate figure skew of this point can take place usually, and deviant can not get in software proofreading and correct.
Summary of the invention
The technical problem to be solved in the present invention is intended to overcome the deficiency of above-mentioned prior art, the accurate obtaining value method of coordinate points in a kind of scanning system is provided, this method can accurately be measured the coordinate points of workpiece in the scanning system, and is simple, resolution ratio height and accuracy height.
The technical solution used in the present invention is:
The accurate obtaining value method of coordinate points in the scanning system includes a masterplate that has the accurate coordinates aperture in the described scanning system, it is characterized in that described obtaining value method may further comprise the steps:
The instruction step is used to indicate scanner to send X-axis according to sequential or Y-axis uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y;
Scanning step, scanner sends scan line according to instruction according to sequential;
Receiving step sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top;
Recording step is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn;
Counting step is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received;
Calculation procedure, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
The invention still further relates to the accurate value device of coordinate points in a kind of scanning system, include a masterplate that has the accurate coordinates aperture in the described scanning system, it is characterized in that described value device comprises:
Instruction unit is used to indicate scanner to send X-axis according to sequential or Y-axis uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y;
Sweep unit sends scan line according to instruction according to sequential by scanner;
Receiving-member sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top;
Recording-member is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn;
Counter block is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received;
Calculating unit, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
Compared with the prior art the accurate obtaining value method of coordinate points and value device have following good effect in the scanning system of the present invention: can accurately measure the coordinate points of workpiece in the scanning system, and simple, resolution ratio height and accuracy height.
Description of drawings
Fig. 1 represents in the accurate value device of coordinate points in the scanning system of the present invention, the structural representation of the masterplate of band accurate coordinates aperture;
Fig. 2 represents the X-axis scan line that sends in the accurate obtaining value method of coordinate points in the scanning system of the present invention;
Fig. 3 represents the Y-axis scan line that sends in the accurate obtaining value method of coordinate points in the scanning system of the present invention.
The specific embodiment
With reference to accompanying drawing 1-accompanying drawing 3, will be described in detail the specific embodiment of the present invention.
The present invention relates to the accurate obtaining value method of coordinate points in a kind of scanning system, as shown in Figure 1, include a masterplate that has the accurate coordinates aperture in the described scanning system, described obtaining value method may further comprise the steps: the instruction step is used to indicate scanner to send X-axis or Y-axis according to sequential and uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y; Scanning step, scanner sends scan line according to instruction according to sequential; Receiving step sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top; Recording step is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn; Counting step is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received; Calculation procedure, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
In the obtaining value method that the present invention relates to, in described instruction step, instruction unit can send scan line along X-axis by the instruction scan instrument from left to right or from right to left, and in recording step, the scanning impulse of record can be article one scanning impulse, also can be the last item scanning impulse, can access four kinds of formula thus about the accurate X-axis coordinate at aperture center.Wherein, first kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from left to right; In described recording step, write down the pairing X-axis coordinate figure of article one scanning impulse X0; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=X0+ Δ X*X axle overall pulse number/2.Second kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from left to right; In described recording step, write down the pairing X-axis coordinate figure of the last item scanning impulse Xn; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=Xn-Δ X*X axle overall pulse number/2.The third: in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from right to left; In described recording step, write down the pairing X-axis coordinate figure of article one scanning impulse X0; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=X0-Δ X*X axle overall pulse number/2.The 4th kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from right to left; In described recording step, write down the pairing X-axis coordinate figure of the last item scanning impulse Xn; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=Xn+ Δ X*X axle overall pulse number/2.
In the obtaining value method that the present invention relates to, in described instruction step, instruction unit can send scan line along Y-axis by the instruction scan instrument from top to bottom or from bottom to up, and in recording step, the scanning impulse of record can be article one scanning impulse, also can be the last item scanning impulse, can access four kinds of formula thus about the accurate Y-axis coordinate at aperture center.Wherein, first kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from bottom to up; In described recording step, write down the pairing Y-axis coordinate figure of article one scanning impulse Y0; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Y0+ Δ Y*Y axle overall pulse number/2.Second kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from bottom to up; In described recording step, write down the pairing Y-axis coordinate figure of the last item scanning impulse Yn; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Yn-Δ Y*Y axle overall pulse number/2.The third: in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from top to bottom; In described recording step, write down the pairing Y-axis coordinate figure of article one scanning impulse Y0; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Y0-Δ Y*Y axle overall pulse number/2.The 4th kind: in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from top to bottom; In described recording step, write down the pairing Y-axis coordinate figure of the last item scanning impulse Yn; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Yn+ Δ Y*Y axle overall pulse number/2.
The invention still further relates to the accurate value device of coordinate points in a kind of scanning system, as shown in Figure 1, include a masterplate that has the accurate coordinates aperture in the described scanning system, described value device comprises: instruction unit is used to indicate scanner to send X-axis or Y-axis according to sequential and uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y; Sweep unit sends scan line according to instruction according to sequential by scanner; Receiving-member sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top; Recording-member is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn; Counter block is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received; Calculating unit, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
In the device that the present invention relates to, described instruction unit can instruct described scanner to send scan line along X-axis from left to right, also can instruct described scanner to send scan line along X-axis from right to left, and recording-member can write down the scanning impulse of article one scan line, also can write down the scanning impulse of the last item scan line, can obtain four kinds of formula thus about the accurate X-axis coordinate at aperture center.In like manner the accurate Y-axis coordinate about the aperture center also has four kinds of formula.
Can access the accurate coordinates value of masterplate aperture according to the obtaining value method that the present invention relates to, the accurate coordinates of input aperture in software, thus can proofread and correct the skew that the aperture coordinate figure takes place.In obtaining value method that the present invention relates to and the value device, the size of interval delta X or Δ Y represents to get precision a little, and big more at interval, precision is low more, and more little at interval, precision is high more.
Claims (10)
1, the accurate obtaining value method of coordinate points in the scanning system includes a masterplate that has the accurate coordinates aperture in the described scanning system, it is characterized in that described obtaining value method may further comprise the steps:
The instruction step is used to indicate scanner to send X-axis according to sequential or Y-axis uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y;
Scanning step, scanner sends scan line according to instruction according to sequential;
Receiving step sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top;
Recording step is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn;
Counting step is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received;
Calculation procedure, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
2, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from left to right; In described recording step, write down the pairing X-axis coordinate figure of article one scanning impulse X0; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=X0+ Δ X*X axle overall pulse number/2.
3, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from left to right; In described recording step, write down the pairing X-axis coordinate figure of the last item scanning impulse Xn; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=Xn-Δ X*X axle overall pulse number/2.
4, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from right to left; In described recording step, write down the pairing X-axis coordinate figure of article one scanning impulse X0; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=X0-Δ X*X axle overall pulse number/2.
5, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along X-axis from right to left; In described recording step, write down the pairing X-axis coordinate figure of the last item scanning impulse Xn; And in described calculation procedure, the formula that calculates the accurate X-axis coordinate at aperture center is X=Xn+ Δ X*X axle overall pulse number/2.
6, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from bottom to up; In described recording step, write down the pairing Y-axis coordinate figure of article one scanning impulse Y0; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Y0+ Δ Y*Y axle overall pulse number/2.
7, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from bottom to up; In described recording step, write down the pairing Y-axis coordinate figure of the last item scanning impulse Yn; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Yn-Δ Y*Y axle overall pulse number/2.
8, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from top to bottom; In described recording step, write down the pairing Y-axis coordinate figure of article one scanning impulse Y0; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Y0-Δ Y*Y axle overall pulse number/2.
9, the accurate obtaining value method of coordinate points in the scanning system according to claim 1 is characterized in that in the described instruction step, instruction unit instruction scan instrument sends scan line along Y-axis from top to bottom; In described recording step, write down the pairing Y-axis coordinate figure of the last item scanning impulse Yn; And in described calculation procedure, the formula that calculates the accurate Y-axis coordinate at aperture center is Y=Yn+ Δ Y*Y axle overall pulse number/2.
10, the accurate value device of coordinate points in the scanning system includes a masterplate that has the accurate coordinates aperture in the described scanning system, it is characterized in that described value device comprises:
Instruction unit is used to indicate scanner to send X-axis according to sequential or Y-axis uniformly-spaced is the sweep limits beam of laser scan line bigger than hole diameter of Δ X or Δ Y;
Sweep unit sends scan line according to instruction according to sequential by scanner;
Receiving-member sends corresponding pulse by the photosensitive receiving tube that is located under the described aperture according to the laser scanning line through the small holes top;
Recording-member is used to write down the pairing X-axis of article one scan line pulse or Y-axis coordinate figure X0 or Y0, perhaps writes down the pairing X-axis of the last item scan line pulse or Y-axis coordinate figure Xn or Yn;
Counter block is used to calculate X-axis overall pulse number or the Y-axis overall pulse number received;
Calculating unit, be used for calculating according to formula the accurate X-axis or the Y-axis coordinate at aperture center, described formula is X=X0 ± Δ X*X axle overall pulse number/2, or Y=Y0 ± Δ Y*Y axle overall pulse number/2, or formula X=Xn ± Δ X*X axle overall pulse number/2, or Y=Yn ± Δ Y*Y axle overall pulse number/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810007067 CN100560267C (en) | 2008-02-01 | 2008-02-01 | The accurate obtaining value method of coordinate points and value device thereof in the scanning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810007067 CN100560267C (en) | 2008-02-01 | 2008-02-01 | The accurate obtaining value method of coordinate points and value device thereof in the scanning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219504A CN101219504A (en) | 2008-07-16 |
| CN100560267C true CN100560267C (en) | 2009-11-18 |
Family
ID=39629716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810007067 Active CN100560267C (en) | 2008-02-01 | 2008-02-01 | The accurate obtaining value method of coordinate points and value device thereof in the scanning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100560267C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289885B (en) * | 2017-06-09 | 2019-11-01 | 上海柏楚电子科技股份有限公司 | A method of measurement metal pipe material center |
-
2008
- 2008-02-01 CN CN 200810007067 patent/CN100560267C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101219504A (en) | 2008-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1528355B1 (en) | Dynamic artefact comparison | |
| US10837752B2 (en) | Method for capturing dynamic vibrations of a roughness sensor, method for measuring a roughness of a workpiece surface, computer program product and measuring device configured to carry out the methods | |
| US7526873B2 (en) | Use of surface measurement probes | |
| Xie et al. | Simultaneous calibration of the intrinsic and extrinsic parameters of structured-light sensors | |
| US20170299368A1 (en) | Method for determining measurement conditions of a roughness sensor, method for measuring a roughness of a workpiece surface, computer program product, and measuring device designed to perform the methods | |
| CN102072701A (en) | Method for detecting size of part and device | |
| CN103712572A (en) | Structural light source-and-camera-combined object contour three-dimensional coordinate measuring device | |
| CN103791868A (en) | Space calibrating body and method based on virtual ball | |
| CN202393362U (en) | Long axis straightness detection system | |
| CN103659467A (en) | Method for calibrating axial prestroke of touch-type measuring head | |
| CN204100983U (en) | Cubing and based on its workpiece Pingdu detection components | |
| CN105203068A (en) | Deep hole straightness detection method based on ultrasonic thickness meter | |
| CN100590382C (en) | Large sized platform deflection amount photoelectric measuring method | |
| CN115122333A (en) | Robot calibration method and device, electronic equipment and storage medium | |
| CN100560267C (en) | The accurate obtaining value method of coordinate points and value device thereof in the scanning system | |
| CN105157583A (en) | Axle journal length measurement system | |
| CN203203560U (en) | Automatic measuring device for weight and size of crystal | |
| JP2010008277A (en) | Variable end measure | |
| CN101113891B (en) | Optical measuring machine | |
| CN108195249A (en) | Hole location detecting tool | |
| CN205027339U (en) | Deep hole straightness accuracy detection device based on ultrasonic thickness measurement appearance | |
| JP2002310641A (en) | Coordinate system calibrating method for three- dimensional shape measuring instrument | |
| JP6197261B2 (en) | Calibration method and apparatus for measuring machine | |
| CN108508842B (en) | Straightness error detection method for linear guide rail of numerical control machine tool | |
| CN111928873A (en) | Method for calibrating height measurement center and camera center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |