CN101545767B - Displacement measurement method - Google Patents
Displacement measurement method Download PDFInfo
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- CN101545767B CN101545767B CN2009100502897A CN200910050289A CN101545767B CN 101545767 B CN101545767 B CN 101545767B CN 2009100502897 A CN2009100502897 A CN 2009100502897A CN 200910050289 A CN200910050289 A CN 200910050289A CN 101545767 B CN101545767 B CN 101545767B
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Abstract
The invention relates to a displacement measurement system and a measurement method thereof. The displacement measurement system comprises a microprocessor, and a display device and a keyboard connected with the microprocessor. The display device comprises designating symbols, a displacement measurement direction choice box which is used for choosing displacement measurement directions, a displacement measurement error compensation value setting box which is used for simultaneously displaying and setting displacement measurement error compensation values of a plurality of interval measured values, and a displacement measurement error compensation characteristic curve box which is used for displaying the coordinate corresponding relation between the displacement measurement error compensation values and the corresponding interval measured values in the displacement measurement error compensation value setting box. The displacement measurement system displays the coordinate corresponding relation between the plurality of the interval measured values and the displacement measurement error compensation values in the selected displacement measurement direction in the form of graphs. Particularly when a LCD display is used, the visual effect of the LCD screen makes the relation more directviewing, and therefore the setting of the displacement measurement error compensation values becomes more reliable.
Description
Technical field
The invention belongs to the accurate displacement fields of measurement, particularly a kind of displacement measurement method.
Background technology
The displacement measurement errors offset is used for the error compensation of displacement measurement system measured value.How can set the displacement measurement errors offset of storing in the displacement measurement system accurately, reliably, this has important effect for the measuring accuracy that guarantees displacement measurement system.At present, displacement measurement error compensation value being shown and sets is by display unit in the displacement measurement system and push-button unit.As in U.S. Pat 4225931, a kind of linear displacement measuring system has been described, wherein display unit shows with digital form the displacement measurement errors offset of storing in this system.Because this technical scheme can not reflect the coordinate corresponding relation of these displacement measurement errors offsets and respective bins measured value intuitively, thereby the operator is set displacement measurement error compensation value easily.
In Chinese patent application number is 90210092.0, name is called in the patent of " multi-coordinate grating digital readout ", illustrated that microprocessor is connected with keyboard with digital display screen in a kind of displacement measurement system, can directly set displacement measurement error compensation value by them.But this system shows single displacement measurement errors offset by the display unit of its linear displacement measurement result, can not be simultaneously the displacement measurement errors offset of a plurality of interval measure values be shown, thereby be not easy to the operator displacement measurement error compensation value is set.In addition, this display unit also can not reflect the coordinate corresponding relation of a plurality of displacement measurement errors offsets and respective bins measured value intuitively, thus make the operator can not be reliably, exactly displacement measurement error compensation value is set.Behind a certain displacement measurement errors offset of operator's misspecification, owing to can not seeing intuitively that the variation of this relation misses the chance of timely change, thereby reduced the measuring accuracy of displacement measurement system.
Summary of the invention
Problem to be solved by this invention is the defective at above-mentioned prior art, a kind of displacement measurement method is provided, it can show the displacement measurement errors offset of a plurality of interval measure values of storing in the linear displacement measuring system and set simultaneously, and show the coordinate corresponding relation of these displacement measurement errors offsets and respective bins measured value intuitively, the operator can be made things convenient for, reliably, exactly the displacement measurement errors offset of storing in the displacement measurement system is set.
Technical solution of the present invention is as follows:
A kind of displacement measurement system comprises microprocessor, and the display device and the keyboard that are connected with described microprocessor, and described display device comprises:
Identifier, described identifier identifies the current selection of operator;
Displacement measurement direction choice box is used for the displacement measurement direction is selected;
The displacement measurement errors offset is set frame, is used for displacement measurement errors offset to a plurality of interval measure values and shows simultaneously and set;
Displacement measurement errors compensation characteristic curvilinear frame is used for showing that the displacement measurement errors offset sets the coordinate corresponding relation of frame displacement measurement error compensation value and respective bins measured value.
Further, described displacement measurement errors offset is set frame, and it is 2～20 that the number between this measurement zone is chosen scope, and the interval measure value is x
1, x
2..., x
n, n is an integer.
Further, described displacement measurement errors offset is e
1, e
2..., e
n, n is an integer, the numerical value span of displacement measurement errors offset is-20～+ 20.
Further, described keyboard is made up of first button, second button, setting key and definite key.
Further, described identifier is " * " or arithmetic sign or a logical symbol or a letter symbol.
The present invention also provides a kind of displacement measurement method, adopts above-mentioned displacement measurement system, may further comprise the steps:
Step 11), press second button, identifier is to displacement measurement direction X and the Y selection that circulates;
Step 12), by determining key, the direction of then confirming current selection is the displacement measurement direction;
Step 13), displacement measurement error compensation value set frame to displacement measurement system in the displacement measurement errors offset of the last interval measure value of present bit shift measurement direction show;
The coordinate corresponding relation of interval measure value and displacement measurement errors offset in step 14), the displacement measurement errors compensation characteristic curvilinear frame demonstration displacement measurement errors offset setting frame;
Step 15), judge whether second button is pressed) if then change step 13), otherwise enter step 16;
Step 16), judge whether key is pressed, if the setting that then enters the displacement measurement errors offset enters step 17), otherwise change step 14);
Step 17), by second button, the displacement measurement errors offset of current page viewing area intermittent gauging value is selected;
Step 18), by determining key, confirm that the displacement measurement errors offset of identifier location intermittent gauging value need be adjusted;
Step 19), press the symbol of the second button specification error offset;
Step 20), by the first button specification error offset;
Step 21), by determining key, then confirm this setting;
Step 22), judge whether second button is pressed, if then change step 13); If not, execution in step 23);
Step 23), judge whether key is pressed, if then change step 11), if not, change step 17).
Compare with technology formerly, the present invention has following technique effect:
1, the coordinate corresponding relation of a plurality of interval measure values and displacement measurement errors offset is that form with figure shows on the selected bit shift measurement direction, particularly when using liquid crystal display, the visual effect of liquid crystal display will make that this relation is more directly perceived, thereby make the setting of displacement measurement errors offset become more reliable.
2, a plurality of interval measure values and displacement measurement errors offset on the selected bit shift measurement direction are shown with the page turning form by button, therefore, can locate the displacement measurement errors offset that needs adjustment fast, make the setting of displacement measurement errors offset become convenient.
3, simultaneously a plurality of interval measure values and displacement measurement errors offset are shown and set, the operator can be come into plain view when setting, effectively prevent misspecification displacement measurement errors offset, make the setting of displacement measurement errors offset become more accurate, further guarantee the measuring accuracy of displacement measurement system.
Description of drawings
Fig. 1 is the synoptic diagram that the present invention shows and sets displacement measurement error compensation value in the bidimensional linear displacement measuring system.
Fig. 2, Fig. 3 are the synoptic diagram that the present invention selects the displacement measurement direction of bidimensional linear displacement measuring system in the preference.
Fig. 4 is the synoptic diagram that the present invention selects the displacement measurement errors offset of interval measure value in the preference.
Fig. 5 is the synoptic diagram after the present invention sets the displacement measurement errors offset of interval measure value in the preference.
Fig. 6 is the synoptic diagram that with the page turning form displacement measurement errors offset of a plurality of interval measure values is shown simultaneously in the preference of the present invention.
Fig. 7 is the process flow diagram that displacement measurement error compensation value shows and sets in the preference of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, but should not limit protection scope of the present invention with this.
See also Fig. 1 earlier, Fig. 1 is that the present invention will carry out the demonstration of displacement measurement error compensation value in the bidimensional linear displacement measuring system and the synoptic diagram of setting.As seen from the figure, displacement measurement system of the present invention comprises, microprocessor, and the display device and the keyboard that are connected with described microprocessor, described display device 1 comprises displacement measurement direction choice box 2, the setting of displacement measurement errors offset frame 4, displacement measurement errors compensation characteristic curvilinear frame 5 and identifier 10.The operator is according to the identifier in the display screen 3 10, in displacement measurement direction choice box 2, the displacement measurement direction is selected, and in displacement measurement error compensation value is set frame 4, displacement measurement error compensation value is set, show that by displacement measurement errors compensation characteristic curvilinear frame 5 the displacement measurement errors offsets set the coordinate corresponding relation of displacement measurement error compensation value and respective bins measured value in the frames 4 again.
Described displacement measurement direction choice box 2 is used to show the X displacement measurement direction of one-dimensional linear displacement measurement system; Or X, the Y displacement measurement direction of demonstration bidimensional linear displacement measuring system; Or show X, Y, the Z displacement measurement direction of three-dimensional linear displacement measurement system.
Described displacement measurement errors offset is set viewing area, the left side intermittent gauging value of frame 4, and the right shows corresponding displacement measurement errors offset.In this preference, by being divided into every 10mm between a measurement zone, be taken as 20 between measurement zone, the numerical value span of displacement measurement errors offset is-9～+ 9 μ m.When pressing when determining key 9, the displacement measurement errors offset is set frame 4 and is shown 5 interval measure values and corresponding displacement measurement errors offset simultaneously, and to show that simultaneously 5 interval measure values and corresponding displacement measurement errors offset are one and show page or leaf.
The horizontal direction of coordinate is an interval measure value direction in the described displacement measurement errors compensation characteristic curvilinear frame 5, and the unit of its numerical value is mm, and the vertical direction of coordinate is a displacement measurement errors offset direction, and the unit of its measured value is μ m.
Described identifier 10 shows in the front of selecteed displacement measurement direction or interval measure value.In this preference, identifier 10 is " * ", similarly identifier such as arithmetic sign and logical symbol etc.
Fig. 2 and Fig. 3 represent the selection that the present invention carries out the displacement measurement direction of bidimensional linear displacement measuring system.Selecteed displacement measurement direction is X and Y in the displacement measurement direction choice box 5.When pressing second button 7, identifier 10 is to they selections that circulates.Identifier 10 shows before the displacement measurement direction, represents that this direction will be selected as present bit shift measurement direction.As shown in Figure 2, directions X is with selected direction as the present bit shift measurement.When pressing when determining key 9, the direction of confirming current selection displacement measurement is X.Simultaneously, the displacement measurement errors offset that the displacement measurement errors offset is set 5 interval measure values on the directions X of storing in 4 pairs of displacement measurement systems of frame shows, and shows that by displacement measurement errors compensation characteristic curvilinear frame 5 the displacement measurement errors offsets set the coordinate corresponding relation of displacement measurement error compensation value and respective bins measured value in the frames 4.As shown in Figure 3, the Y direction is with selected direction as the present bit shift measurement.When pressing when determining key 9, the direction of confirming current selection displacement measurement is Y.Simultaneously, the displacement measurement errors offset that the displacement measurement errors offset is set between 5 measurement zones on the Y direction of storing in 4 pairs of displacement measurement systems of frame shows, and shows that by displacement measurement errors compensation characteristic curvilinear frame 5 the displacement measurement errors offsets set the coordinate corresponding relation of displacement measurement error compensation value and respective bins measured value in the frames 4.
Fig. 4 and Fig. 5 represent selection and the setting that the displacement measurement errors offset to interval measure value in the preference carries out.After pressing setting key 8, the operator can select and sets the displacement measurement errors offset of interval measure value.When selecting the interval measure values by second button 7, identifier 10 demonstration that circulates in interval measure value front.After determining key 9, confirm that the displacement measurement errors offset of these identifier 10 location intermittent gauging values need be adjusted.Selecting the symbol of this displacement measurement errors offset by second button 7 is plus or minus, then sets this displacement measurement errors offset by first button 6 in 0～9 scope.Shown in Figure 4 is that identifier 10 shows before interval measure value 40.It is illustrated in 30～40mm between measurement zone, and the displacement measurement errors offset is-2 μ m.Shown in Figure 5 is 30～40mm between measurement zone, the setting that displacement measurement error compensation value is carried out for-2 μ m.Setting this displacement measurement errors offset by first button 6 in 0～9 scope is-3 μ m.When error compensation value and the symbol thereof of confirming this setting when determining key 9, the displacement measurement errors offset of simultaneous displacement measurement Error Compensation family curve frame 5 display settings.It reflects on the present bit shift measurement direction coordinate corresponding relation of 5 interval measure values and corresponding positions shift measurement error compensation value intuitively.
Fig. 6 represents in the preference synoptic diagram that the displacement measurement errors offset of 5 interval measure values shown with the page turning form.After pressing second button 7, set frame 4 with the page turning form by the displacement measurement errors offset and show 5 interval measure values and corresponding displacement measurement errors offset on the present bit shift measurement direction, the while is by the coordinate corresponding relation of interval measure value and displacement measurement errors offset in the displacement measurement errors compensation characteristic curvilinear frame 5 demonstration displacement measurement errors offsets setting frames 4.
Fig. 7 represents process flow diagram that displacement measurement error compensation value in the preference is shown and sets.According to this process flow diagram, carry out operation by step 11～23, specifically describe as follows:
Step 11), press second button 7, then identifier 10 pairs of displacement measurement directions X and the Y selection that circulates;
Step 12), by determining key 9, the direction of then confirming current selection is the displacement measurement direction;
Step 13), set in 4 pairs of displacement measurement systems of frame in displacement measurement error compensation value that the displacement measurement errors offset of 5 interval measure values shows on the present bit shift measurement direction;
The coordinate corresponding relation of interval measure value and displacement measurement errors offset in step 14), the displacement measurement errors compensation characteristic curvilinear frame 5 demonstration displacement measurement errors offsets setting frames 4;
Step 15), judge whether second button 7 is pressed) if then change step 13), otherwise enter step 16;
Step 16), judge whether key 8 is pressed, if the setting that then enters the displacement measurement errors offset enters step 17), otherwise change step 14);
Step 17), by second button 7, the displacement measurement errors offset of current page viewing area intermittent gauging value is selected;
Step 18), by determining key 9, confirm that the displacement measurement errors offset of identifier 10 location intermittent gauging values need be adjusted;
Step 19), press the symbol of second button, 7 specification error offsets;
Step 20), by first button, 6 specification error offsets;
Step 21), by determining key 9, then confirm this setting;
Step 22), judge whether second button 7 is pressed, if then change step 13); If not, execution in step 23);
Step 23), judge whether key 9 is pressed, if then change step 11), if not, change step 17).
Above-described embodiment only is used to illustrate technological thought of the present invention and characteristics, its purpose makes those skilled in the art can understand content of the present invention and is implementing according to this, when can not only limiting claim of the present invention with present embodiment, be all equal variation or modifications of doing according to disclosed spirit, still drop in the claim of the present invention.
Claims (1)
1. displacement measurement method, it is characterized in that: adopt following displacement measurement system, comprise microprocessor, and the display device and the keyboard that are connected with described microprocessor, described display device comprises: identifier, and described identifier identifies the current selection of operator; Displacement measurement direction choice box is used for the displacement measurement direction is selected; The displacement measurement errors offset is set frame, is used for displacement measurement errors offset to a plurality of interval measure values and shows simultaneously and set; Displacement measurement errors compensation characteristic curvilinear frame is used for showing that the displacement measurement errors offset sets the coordinate corresponding relation of frame displacement measurement error compensation value and respective bins measured value, wherein:
Described displacement measurement errors offset is set frame, and it is 2～20 that the number between this measurement zone is chosen scope, and the interval measure value is X
1, X
2..., X
n, n is an integer;
Described displacement measurement errors offset is e
1, e
2..., e
n, n is an integer, the numerical value span of displacement measurement errors offset is-20～+ 20;
Described keyboard is made up of first button, second button, setting key and definite key;
Said method comprising the steps of:
Step 11), press second button, identifier is to displacement measurement direction X and the Y selection that circulates;
Step 12), by determining key, the direction of then confirming current selection is the displacement measurement direction;
Step 13), displacement measurement error compensation value set frame to displacement measurement system in the displacement measurement errors offset of the last interval measure value of present bit shift measurement direction show;
The coordinate corresponding relation of interval measure value and displacement measurement errors offset in step 14), the displacement measurement errors compensation characteristic curvilinear frame demonstration displacement measurement errors offset setting frame;
Step 15), judge whether second button is pressed) if then change step 13), otherwise enter step 16;
Step 16), judge whether setting key is pressed, if the setting that then enters the displacement measurement errors offset enters step 17), otherwise change step 14);
Step 17), by second button, the displacement measurement errors offset of current page viewing area intermittent gauging value is selected;
Step 18), by determining key, confirm that the displacement measurement errors offset of identifier location intermittent gauging value need be adjusted;
Step 19), press the symbol of the second button specification error offset;
Step 20), by the first button specification error offset;
Step 21), by determining key, then confirm this setting;
Step 22), judge whether second button is pressed, if then change step 13); If not, execution in step 23);
Step 23), judge to determine whether key is pressed, if then change step 11), if not, change step 17).
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| CN2009100502897A CN101545767B (en) | 2009-04-30 | 2009-04-30 | Displacement measurement method |
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| CN2009100502897A CN101545767B (en) | 2009-04-30 | 2009-04-30 | Displacement measurement method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4225931A (en) * | 1977-07-01 | 1980-09-30 | Dr. Johannes Heidenhain Gmbh | Interpolation apparatus for digital electronic position measuring instrument |
| CN2071781U (en) * | 1990-01-22 | 1991-02-20 | 沈阳工业大学 | Multi-coordinate raster digital indicator |
| CN101393020A (en) * | 2007-09-22 | 2009-03-25 | 约翰尼斯海登海恩博士股份有限公司 | Position measuring device |
-
2009
- 2009-04-30 CN CN2009100502897A patent/CN101545767B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4225931A (en) * | 1977-07-01 | 1980-09-30 | Dr. Johannes Heidenhain Gmbh | Interpolation apparatus for digital electronic position measuring instrument |
| CN2071781U (en) * | 1990-01-22 | 1991-02-20 | 沈阳工业大学 | Multi-coordinate raster digital indicator |
| CN101393020A (en) * | 2007-09-22 | 2009-03-25 | 约翰尼斯海登海恩博士股份有限公司 | Position measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 江晓军,黄立华,黄惠杰,王向朝.光栅位移测量系统的误差自修正方法研究.《计量学报》.2008,第29卷(第4期),309-312. * |
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