CN104596438A - System and method for fitting measured data of line laser measuring heads of measuring instrument - Google Patents
System and method for fitting measured data of line laser measuring heads of measuring instrument Download PDFInfo
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- CN104596438A CN104596438A CN201310528379.9A CN201310528379A CN104596438A CN 104596438 A CN104596438 A CN 104596438A CN 201310528379 A CN201310528379 A CN 201310528379A CN 104596438 A CN104596438 A CN 104596438A
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- line laser
- gauge head
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- feeler
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Abstract
The invention provides a system and a method for fitting the measured data of line laser measuring heads of a measuring instrument. The method comprises the steps of obtaining outline data obtained by a first line laser measuring head and a second laser measuring head measuring an object to be measured, if the obtained outline data of the obtained object to be measured is within an outline-to-be measured range, calculating the angle of inclination between the two laser measuring heads by use of the outline data measured by the first line laser measuring head and the outline data measured by the second line laser measuring head, calculating the potential difference and the space between the two laser measuring heads according to the outline data measured by the two laser measuring heads, establishing the fitting relation of the outline data measured by the two laser measuring heads according to the angle of inclination, the potential value and the space of the two laser measuring heads, and generating the measurement result of the object to be measured by use of the outline data measured by the two laser measuring heads according to the fitting relation. The method is capable of fitting the data of two measuring heads and realizing calculation processing on the data of the two measuring heads different model number.
Description
Technical field
The present invention relates to a kind of surveying instrument line laser gauge head measure data fitting system and method.
Background technology
When current surveying instrument utilizes line laser gauge head to measure object under test, need use two line laser gauge heads to coordinate and measure, the gauge head software kit that manufacturer provides cannot carry out computing to the data of two different model gauge heads.So in the urgent need to developing a set of calculation procedure, not only meet measurement request but also measuring accuracy can be ensured.
Summary of the invention
In view of above content, be necessary to provide a kind of surveying instrument line laser gauge head measure data fitting method and system.
Described surveying instrument line laser gauge head measure data fitting system comprises: measurement module, for utilizing First Line laser feeler and the second line laser gauge head measuring targets to measure, and acquisition First Line laser feeler and the second line laser gauge head measure the outline data of the object under test that object under test obtains respectively; Receiver module, for receiving the profile to be measured of the object under test of user's input; Computing module, for when described in the outline data of object under test that gets in described profile to be measured time, the outline data utilizing First Line laser feeler measurement object under test to obtain and the second line laser gauge head measure the outline data that this object under test obtains, and calculate the inclination value between First Line laser feeler and the second line laser gauge head; Described computing module also for measuring the outline data of described object under test according to described First Line laser feeler and the second line laser gauge head, calculates potential difference value and the distance values of First Line laser feeler and the second line laser gauge head; Fitting module, for setting up the fit correlation of outline data that First Line laser feeler measures and the outline data that the second line laser gauge head is measured according to the inclination angle of First Line laser feeler and the second line laser gauge head, potential difference value and distance values; Described measurement module is also for utilizing the outline data of the outline data of First Line laser feeler collection and the second line laser gauge head collection to carry out measuring the measurement calculating to produce object under test according to above-mentioned fit correlation.
Described surveying instrument line laser gauge head measure data fitting method comprises: utilize First Line laser feeler and the second line laser gauge head measuring targets to measure, and acquisition First Line laser feeler and the second line laser gauge head measure the outline data of the object under test that object under test obtains respectively; Receive the profile to be measured of the object under test of user's input; If described in the outline data of object under test that gets in described profile to be measured, the outline data utilizing First Line laser feeler measurement object under test to obtain and the second line laser gauge head measure the outline data that this object under test obtains, and calculate the inclination value between First Line laser feeler and the second line laser gauge head; Measure the outline data of described object under test according to described First Line laser feeler and the second line laser gauge head, calculate potential difference value and the distance values of First Line laser feeler and the second line laser gauge head; The fit correlation of outline data that First Line laser feeler measures and the outline data that the second line laser gauge head is measured is set up according to the inclination angle of First Line laser feeler and the second line laser gauge head, potential difference value and distance values; The outline data of the outline data of First Line laser feeler collection and the second line laser gauge head collection is utilized to carry out measuring the measurement calculating to produce object under test according to above-mentioned fit correlation.
Compared to prior art, described surveying instrument line laser gauge head measure data fitting system and method, can carry out matching to two gauge head data, realizes carrying out computing to the data of two different model gauge heads.
Accompanying drawing explanation
Fig. 1 is the running environment figure of surveying instrument line laser gauge head measure data fitting system of the present invention preferred embodiment.
Fig. 2 is the functional block diagram of surveying instrument line laser gauge head measure data fitting system of the present invention preferred embodiment.
Fig. 3 is the operation process chart of surveying instrument line laser gauge head measure data fitting method of the present invention preferred embodiment.
Fig. 4 is the schematic diagram that the present invention calculates inclination value between First Line laser feeler and the second line laser gauge head.
Fig. 5 is the schematic diagram that the present invention calculates potential difference value and distance values between First Line laser feeler and the second line laser gauge head.
Fig. 6 is the schematic diagram that the present invention sets up the fit correlation of the measurement data under the first coordinate system and the measurement data under the second coordinate system.
Main element symbol description
| Surveying instrument | 1 |
| Surveying instrument line laser gauge head measure data fitting system | 10 |
| First Line laser feeler | 11 |
| Second line laser gauge head | 12 |
| Object under test | 2 |
| Measurement module | 100 |
| Receiver module | 101 |
| Judge module | 102 |
| Computing module | 103 |
| Fitting module | 104 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
As shown in Figure 1, be the running environment figure of surveying instrument line laser gauge head measure data fitting system of the present invention preferred embodiment.This surveying instrument line laser gauge head measure data fitting system 10 runs on surveying instrument 1, and two line laser gauge heads installed by this surveying instrument 1, are respectively First Line laser feeler 11, second line laser gauge head 12.This First Line laser feeler 11 and the second line laser gauge head 12 are positioned at the both sides of object under test 2, and the laser that First Line laser feeler 11 and the second line laser gauge head 12 are launched intersects on object under test 2.In the present embodiment, described object under test 2 is the smooth object of upper and lower surface, as slip gauge.
As shown in Figure 2, be the functional block diagram of surveying instrument line laser gauge head measure data fitting system 10 in Fig. 1.Described surveying instrument line laser gauge head measure data fitting system 10 comprises: measurement module 100, receiver module 101, judge module 102, computing module 103 and fitting module 104.Described module is the software program section with specific function, this software is stored in computer-readable recording medium or other memory device, can be performed by the calculation element that computing machine or other comprise processor, thus complete the work flow of surveying instrument line laser gauge head measure data fitting in the present invention.
As shown in Figure 3, be the operation process chart of surveying instrument line laser gauge head measure data fitting method of the present invention preferred embodiment.
Step S30, measurement module 100 utilizes First Line laser feeler 11 and the second line laser gauge head 12 measuring targets 2 to measure, and acquisition First Line laser feeler 11 and the second line laser gauge head 12 measure the outline data of the object under test 2 that object under test 2 obtains respectively.This outline data refers to the data of the outline line of object under test 2, and this outline line is made up of multiple point, and therefore this outline data is the set of the point of this outline line of composition.In the present embodiment, if described object under test 2 can be slip gauge, then First Line laser feeler 11 records the outline data of the upper surface of this slip gauge, and this second line laser gauge head 12 records the outline data of the lower surface of this slip gauge, as shown in Figure 4.
Step S31, receiver module 101 receives the profile to be measured of the object under test 2 of user's input, as received the upper surface profile to be measured of slip gauge and the profile to be measured of lower surface of user's input.In the present embodiment, the interface that user can provide in surveying instrument 1 is selected the starting point coordinate of the profile to be measured of object under test 2 and terminal point coordinate to determine profile to be measured.
Step S32, judge module 102 judges that the outline data of the above-mentioned object under test 2 got is whether in the profile to be measured of user's input.If described in the outline data of object under test 2 that gets not in described profile to be measured, then return and perform step S30.If described in the outline data of object under test 2 that gets in described profile to be measured, then perform step S33.
Step S33, computing module 103 utilize First Line laser feeler 11 to measure outline data that object under test 2 obtains and the second line laser gauge head 12 measure the outline data that this object under test 2 obtains, and calculate the inclination value between First Line laser feeler 11 and the second line laser gauge head 12.As shown in Figure 4, L1 is wherein the line segment that First Line laser feeler 11 is measured outline data that object under test 2 obtains and formed, L2 is the line segment that the second line laser gauge head 12 is measured outline data that object under test 2 obtains and formed, due to the angular deviation of First Line laser feeler 11 and the second line laser gauge head 12, there is angle between L1 and L2, this angle is the inclination value between First Line laser feeler 11 and the second line laser gauge head 12.Described L1 and L2 is made up of multiple point, the coordinate of each point is known by the measurement result of measurement module 100, therefore, described computing module 103 calculates inclination value, this inclination value and the inclination value between First Line laser feeler 11 and the second line laser gauge head 12 between described First Line laser feeler 11 and the second line laser gauge head 12 according to the data of each point on this L1 and L2.
Step S34, the outline data of the described object under test 2 that computing module 103 is measured according to described First Line laser feeler 11 and the second line laser gauge head 12, calculates potential difference value and the distance values of First Line laser feeler 11 and the second line laser gauge head 12.As shown in Figure 5, this computing module 103 takes out the first point on the outline data of the object under test 2 that First Line laser feeler 11 measures, and takes out second point corresponding with first on the outline data of the object under test 2 that the second line laser gauge head 12 measures.In the present embodiment, this computing module 103 takes out 1 A ' at most edge on the left of described object under test 2 that First Line laser feeler 11 measures, corresponding 1 A taking out on the left of described object under test 2 that the second line laser gauge head 12 measures most edge.With the center of circle of object under test 2 for true origin sets up absolute coordinate system, with an A ' for true origin sets up the first coordinate system N, with an A for true origin sets up the second coordinate system M.The distance values of described First Line laser feeler 11 and the second line laser gauge head 12 is the absolute value of described some A ' and the some A longitudinal coordinate value under absolute coordinate system (i.e. Z axis coordinate figure) difference, and the potential difference value of First Line laser feeler 11 and the second line laser gauge head 12 is the absolute value of some A ' and the some A lateral coordinates value under absolute coordinate system (i.e. X-axis coordinate figure) difference.
Step S35, the fit correlation of the outline data that fitting module 104 is measured for the outline data setting up First Line laser feeler 11 according to the inclination value of First Line laser feeler 11 and the second line laser gauge head 12, potential difference value and distance values and measure and the second line laser gauge head 12.In present embodiment, fitting module 104 sets up the fit correlation of the outline data under the first coordinate system and the outline data under the second coordinate system according to the inclination value of First Line laser feeler 11 and the second line laser gauge head 12, potential difference value and distance values.As shown in Figure 6, A ' (X ', Z ') be a point coordinate figure of First Line laser feeler 11, according to the inclination value of First Line laser feeler 11 and the second line laser gauge head 12, potential difference value and distance values set up the fit correlation of the measurement data under the first coordinate system and the measurement data under the second coordinate system, namely this point A ' (X ', Z ') relative to the point coordinate figure A (X of the second line laser gauge head 12 gauge head, Z), wherein: X=Cos (α+inclination value) R+potential difference value, Z=Sin (α+inclination value) R+distance values, α=arctan (Z '/X '), R=
.
Step S36, measurement module 100 utilizes the measurement data of the first laser feeler 11 and the second line laser gauge head 12 to carry out coordinate measure according to above-mentioned data fitting relation and calculates the measurement producing object under test 2.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a surveying instrument line laser gauge head measure data fitting system, runs in surveying instrument, and this surveying instrument is provided with First Line laser feeler and the second line laser gauge head, and it is characterized in that, described system comprises:
Measurement module, for utilizing First Line laser feeler and the second line laser gauge head measuring targets to measure, and acquisition First Line laser feeler and the second line laser gauge head measure the outline data of the object under test that object under test obtains respectively;
Receiver module, for receiving the profile to be measured of the object under test of user's input;
Computing module, for when described in the outline data of object under test that gets in described profile to be measured time, the outline data utilizing First Line laser feeler measurement object under test to obtain and the second line laser gauge head measure the outline data that this object under test obtains, and calculate the inclination value between First Line laser feeler and the second line laser gauge head;
Described computing module also for measuring the outline data of described object under test according to described First Line laser feeler and the second line laser gauge head, calculates potential difference value and the distance values of First Line laser feeler and the second line laser gauge head;
Fitting module, for setting up the fit correlation of outline data that First Line laser feeler measures and the outline data that the second line laser gauge head is measured according to the inclination value of First Line laser feeler and the second line laser gauge head, potential difference value and distance values;
Described measurement module also for utilize First Line laser feeler and the second line laser gauge head to measure according to above-mentioned fit correlation outline data carry out coordinate measure calculating, to produce the measurement of object under test.
2. surveying instrument line laser gauge head measure data fitting system as claimed in claim 1, is characterized in that,
Described computing module takes out first point at the most edge of described object under test upper left side that First Line laser feeler measures, the corresponding second point taking out the most edge of described object under test upper left side that the second line laser gauge head measures, with the object under test center of circle for true origin sets up absolute coordinate system, with first for true origin sets up the first coordinate system, be that true origin sets up the second coordinate system with second point, the distance values of described First Line laser feeler and the second line laser gauge head is the absolute value of described and the longitudinal coordinate value difference value of second point under absolute coordinate system at first, the potential difference value of First Line laser feeler and the second line laser gauge head is the absolute value of second point and the lateral coordinates value difference value of second point under absolute coordinate system.
3. surveying instrument line laser gauge head measure data fitting system as claimed in claim 1, it is characterized in that, described profile to be measured is selected the starting point coordinate of the profile to be measured of object under test and terminal point coordinate to determine on the interface that surveying instrument provides by user.
4. surveying instrument line laser gauge head measure data fitting system as claimed in claim 1, it is characterized in that, described outline data refers to the data of the outline line of object under test, and this outline line is made up of multiple point.
5. surveying instrument line laser gauge head measure data fitting system as claimed in claim 1, it is characterized in that, inclination value between described First Line laser feeler and the second line laser gauge head is determined according to under type: form the first line segment according to the outline data that First Line laser feeler measurement object under test obtains, measure the outline data that obtains of object under test according to the second line laser gauge head and form the second line segment, the angle between the first line segment and the second line segment and be inclination value between First Line laser feeler and the second line laser gauge head.
6. a surveying instrument line laser gauge head measure data fitting method, runs in surveying instrument, and this surveying instrument is provided with First Line laser feeler and the second line laser gauge head, and it is characterized in that, described method comprises:
Utilize First Line laser feeler and the second line laser gauge head measuring targets to measure, and acquisition First Line laser feeler and the second line laser gauge head measure the outline data of the object under test that object under test obtains respectively;
Receive the profile to be measured of the object under test of user's input;
If described in the outline data of object under test that gets in described profile to be measured, the outline data utilizing First Line laser feeler measurement object under test to obtain and the second line laser gauge head measure the outline data that this object under test obtains, and calculate the inclination value between First Line laser feeler and the second line laser gauge head;
Measure the outline data of described object under test according to described First Line laser feeler and the second line laser gauge head, calculate potential difference value and the distance values of First Line laser feeler and the second line laser gauge head;
The fit correlation of outline data that First Line laser feeler measures and the outline data that the second line laser gauge head is measured is set up according to the inclination value of First Line laser feeler and the second line laser gauge head, potential difference value and distance values;
Coordinate measure calculating is carried out, to produce the measurement of object under test according to the outline data that above-mentioned fit correlation utilizes First Line laser feeler and the second line laser gauge head to measure.
7. surveying instrument line laser gauge head measure data fitting method as claimed in claim 6, it is characterized in that, the potential difference value of described First Line laser feeler and the second line laser gauge head and the computing method of distance values comprise:
Take out first point at the most edge of described object under test upper left side that First Line laser feeler measures, the corresponding second point taking out the most edge of described object under test upper left side that the second line laser gauge head measures, with the object under test center of circle for true origin sets up absolute coordinate system, with first for true origin sets up the first coordinate system, with a second point for true origin sets up the second coordinate system, the distance values of described First Line laser feeler and the second line laser gauge head is the absolute value of described and the longitudinal coordinate value difference value of second point under absolute coordinate system at first, the potential difference value of First Line laser feeler and the second line laser gauge head is the absolute value of second point and the lateral coordinates value difference value of second point under absolute coordinate system.
8. surveying instrument line laser gauge head measure data fitting method as claimed in claim 6, it is characterized in that, described profile to be measured is selected the starting point coordinate of the profile to be measured of object under test and terminal point coordinate to determine on the interface that surveying instrument provides by user.
9. surveying instrument line laser gauge head measure data fitting method as claimed in claim 6, it is characterized in that, described outline data refers to the data of the outline line of object under test, and this outline line is made up of multiple point.
10. surveying instrument line laser gauge head measure data fitting method as claimed in claim 6, it is characterized in that, inclination value between described First Line laser feeler and the second line laser gauge head is determined according to under type: form the first line segment according to the outline data that First Line laser feeler measurement object under test obtains, measure the outline data that obtains of object under test according to the second line laser gauge head and form the second line segment, the angle between the first line segment and the second line segment and be inclination value between First Line laser feeler and the second line laser gauge head.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528379.9A CN104596438A (en) | 2013-10-31 | 2013-10-31 | System and method for fitting measured data of line laser measuring heads of measuring instrument |
| TW102141140A TW201518677A (en) | 2013-10-31 | 2013-11-12 | System and method for processing data tested by double line laser probes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528379.9A CN104596438A (en) | 2013-10-31 | 2013-10-31 | System and method for fitting measured data of line laser measuring heads of measuring instrument |
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| CN104596438A true CN104596438A (en) | 2015-05-06 |
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| CN201310528379.9A Pending CN104596438A (en) | 2013-10-31 | 2013-10-31 | System and method for fitting measured data of line laser measuring heads of measuring instrument |
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| CN (1) | CN104596438A (en) |
| TW (1) | TW201518677A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872476A (en) * | 2017-03-31 | 2017-06-20 | 武汉理工大学 | A kind of casting class workpiece surface quality detection method and system based on line-structured light |
| CN111504184A (en) * | 2020-04-22 | 2020-08-07 | 荆亮 | Calibration method and calibration system for double-line laser measurement |
-
2013
- 2013-10-31 CN CN201310528379.9A patent/CN104596438A/en active Pending
- 2013-11-12 TW TW102141140A patent/TW201518677A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872476A (en) * | 2017-03-31 | 2017-06-20 | 武汉理工大学 | A kind of casting class workpiece surface quality detection method and system based on line-structured light |
| CN111504184A (en) * | 2020-04-22 | 2020-08-07 | 荆亮 | Calibration method and calibration system for double-line laser measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201518677A (en) | 2015-05-16 |
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Application publication date: 20150506 |