CN206573113U - The total powerstation of alignment is determined based on digital image - Google Patents
The total powerstation of alignment is determined based on digital image Download PDFInfo
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- CN206573113U CN206573113U CN201621329079.3U CN201621329079U CN206573113U CN 206573113 U CN206573113 U CN 206573113U CN 201621329079 U CN201621329079 U CN 201621329079U CN 206573113 U CN206573113 U CN 206573113U
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- total powerstation
- digital image
- alignment
- point
- centering
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Abstract
The utility model discloses a kind of total powerstation that alignment is determined based on digital image, the total powerstation includes aligning partses, and aligning partses are the miniature CCD device for shooting installed in alidade axis bottom.Total powerstation described in the utility model is set up in close to known coordinate point A, and the current centering coordinate points A ' of instrument is measured using digital image technology, and Point Coordinates are measured further according to A ', the point coordinates of B two.The centering of conventional multi alternate repetition, leveling are changed, the early stage debugging method of Step wise approximation known coordinate point centering, it is only necessary to flatten, without precise alignment, reduces operation difficulty, greatly improves operating efficiency.
Description
Technical field
The utility model belongs to engineering mapping technical field, and in particular to the whole station of alignment is determined based on digital image
Instrument.
Background technology
Total powerstation is engineering survey common instrument, when using must total powerstation precise alignment on a certain known coordinate point and
Accurate leveling, inputs the known point coordinates and the known point coordinates of another orientation, aims at another known point direction as beginning and surveys side,
The horizontal angle and distance of unknown point is measured to determine unknown point plane coordinates.Current centering method has optics and laser alignment two
Kind of method, all needs centering, flattens multiple alternate repetition Step wise approximation, accurately not only centering known point mark but also could flatten instrument
Device, the minutes of cost 5~6 are also needed even if skilled survey crew, and may expend more than half hour for beginner is surveying
In the preliminary preparation of amount, operating efficiency is dragged down significantly.And due to being carried out using human eye to known coordinate point mark center
Identification, actually still suffers from certain error during precise alignment.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of total powerstation that alignment is determined based on digital image, will
Total powerstation is set up in close at known coordinate point, obtains the current centering coordinate points of total powerstation based on digital image technology, it is only necessary to whole
It is flat, without artificial mobile progress precise alignment known coordinate point, improve operating efficiency.
The utility model is achieved through the following technical solutions：
The total powerstation of alignment is determined based on digital image, the total powerstation includes leveling pedestal, pedestal top and installs and shine
Quasi- portion, the miniature CCD device for shooting of the former instrument aligning partses of substitution is installed in alidade axis bottom.
The further improvement project of the utility model is that the miniature CCD device for shooting pixel is not less than 1,000,000 pixels.For
Ensure that distance shared by each pixel reaches millimeter above precision in image, and then ensure the final of current centering coordinate points measuring and calculating value
Accuracy is high.
The utility model further improvement project is that the miniature CCD device for shooting is away from geographical coordinates point vertical height
50 centimetres to 200 centimetres.
The utility model further improvement project is, including keyboard operation panel, and keyboard operation panel is provided with shooting
Button, shooting button signal connection miniature CCD device for shooting.Convenient operation.
The total powerstation method of work of alignment is determined based on digital image, alignment determined based on digital image by above-mentioned
Total powerstation is located at close to above known coordinate point A by tripot, coordinate points A is fallen into CCD device for shooting coverages, whole
Flat total powerstation, rotation total powerstation alidade makes lens barrel aim at prism centers and ranging on known orientation point B directions, opens CCD and claps
Device shoot function is taken the photograph, obtaining has known coordinate point A and current total powerstation centering coordinate points A ' digital images；
Calculate A ' point coordinates：
Known A point coordinates (XA,YA）, B point coordinates（(XB,YB）, then AB grid azimuths α=arcTan ((YB-YA)/(XB-
XA)), 2 points of A, B apart from AB=,
A ', 2 points of B determined apart from A ' B by total powerstation ranging,
2 points of A, A ' is determined apart from A A ' by image technique, i.e., the label of regular figure, mark are set on coordinate points A
Remember that thing central point is overlapping with coordinate points A, it is known that certain segment distance of label is R, the identification shot image acceptance of the bid of digital figure software
Remember that thing segment distance pixel r, and pixel coordinate according to label central point A try to achieve A with A ' pixel coordinates of centre
A ' pixel distance d, and calculate A A ' actual range：A A′=,
As A B+A A ' ＞ A ' B and A ' B+A A ' ＞ A B, A, B, 3 points of A ' surround triangle, according to cosine
Theorem, then,
If A points are on the right side of A ' B, A A ' grid bearings angle beta=α-∠ A, if A points are on the left of A ' B, A A ' grid bearings angle beta=α
+ ∠ A, that is, obtain centering A ' point coordinates, XA′= XA+ A A ' Cos β, YA′= YA+A A′Sinβ；
As A B+A A ' ≯ A ' B and A ' B+A A ' ≯ A B, A, B, 3 points of A ' point-blank, if A ' B+
During A A '=A B, A ' fronts in A B directions obtain centering A ' point coordinates, XA′= XA + A A ' Cos α, YA′= YA
+ A A ' Sin α, if during A ' B-A A '=A B, A ' dead asterns in A B directions obtain centering A ' point coordinates, XA′=
XA - A A ' Cos α, YA′= YA - A A ' Sin α, if during A ' B=A B, A ' surfaces in A points obtain centering A ' points
Coordinate, XA′= XA, YA′= YA 。
Point Coordinates can be measured further according to A ', the point coordinates of B two.
Label described in the utility model is circle, and R is circular radius, or labeled as equilateral triangle, R is triangle edges
It is long, or labeled as regular polygon, R is polygonal side length.
Total powerstation centering coordinate points A ' pixel coordinates determine method, first clap a digital image, then accurately 180 ° 00 ' of rotation
00 " digital image is clapped, the pixel coordinate for recognizing two digital image overlapping region central points by digital figure software is
It is A ' pixel coordinates in shot image.Because the centering coordinate points A ' of total powerstation is ideally digital image center picture
Point, but due to that can produce skew during equipment installation and use, the utility model has carried out A ' pixel coordinates to this and carried out
Amendment is determined.
The utility model compared with prior art, with following obvious advantage：
Total powerstation described in the utility model is set up in close to known coordinate point A, and measuring instrument using digital image technology works as
Preceding centering coordinate points A ', Point Coordinates are measured further according to A ', the point coordinates of B two.Change the centering of conventional multi alternate repetition, it is whole
Flat, the early stage debugging method of Step wise approximation known coordinate point centering, it is only necessary to flatten, without precise alignment, reduces operation difficulty, greatly
It is big to improve operating efficiency.
Brief description of the drawings
Fig. 1 is the utility model total powerstation structural representation.
Fig. 2 is to include A, A ' digital image schematic diagrames.
Fig. 3 is A points grid azimuth schematic diagram at A ' right sides.
Fig. 4 is A points grid azimuth schematic diagram at A ' left sides.
Fig. 5 is A ' front schematic diagrames in A B directions.
Fig. 6 is A ' dead astern schematic diagrames in A B directions.
Fig. 7 is that total powerstation centering coordinate points A ' pixel coordinates determine schematic diagram.
Embodiment
As shown in figure 1, total powerstation described in the utility model, which includes leveling pedestal 1, the top of pedestal 1, installs alidade 2,
The axis bottom of alidade 2 is installed by the miniature CCD device for shooting 3 of the former instrument aligning partses of substitution, the miniature CCD device for shooting pixel
Not less than 1,000,000 pixels.The miniature CCD device for shooting is about 100 centimetres away from geographical coordinates point vertical height.
Operate for convenience and shooting button is provided with keyboard operation panel, shooting button signal connection miniature CCD is shot
Device.
Total powerstation method of work is as follows, is made marks thing with known radius R roundel 4 first on known coordinate point A,
Label central point is overlapping with coordinate points A, and then total powerstation of the present invention is fixed on the special tripod of engineering survey, beaten
Opening three legs of tripod makes the rough vertical of centre to above known coordinate point A mark and frame head is approximate horizontal, making seat
Punctuate A is fallen into CCD device for shooting coverages, treads foot stool, then accurately flattens instrument by three foot screws on total powerstation,
Rotation total powerstation alidade makes lens barrel aim at prism centers and ranging on known orientation point B directions, opens CCD device for shooting and shoots work(
Can, obtaining has known coordinate point A and current total powerstation centering coordinate points A ' digital images；
Calculate A ' point coordinates：
Known A point coordinates (XA,YA）, B point coordinates（(XB,YB）, then AB grid azimuths α=arcTan ((YB-YA)/(XB-
XA)), 2 points of A, B apart from AB=,
A ', 2 points of B determined apart from A ' B by total powerstation ranging,
2 points of A, A ' determines that is, digital figure software recognizes label half in shot image apart from A A ' by image technique
Footpath pixel r, and pixel coordinate according to label central point A try to achieve A A ' pixel distances with A ' pixel coordinates of centre
d（As shown in Figure 2）, and calculate A A ' actual range：A A′=,
As A B+A A ' ＞ A ' B and A ' B+A A ' ＞ A B, A, B, 3 points of A ' surround triangle, according to cosine
Theorem, then,
If A points are on the right side of A ' B, A A ' grid bearings angle beta=α-∠ A（As shown in Figure 3）If A points are on the left of A ' B, A A ' seats
Mark azimuthal angle beta=α+∠ A（As shown in Figure 4）, that is, obtain centering A ' point coordinates, XA′= XA+ A A ' Cos β, YA′= YA +A A′
Sinβ；
As A B+A A ' ≯ A ' B and A ' B+A A ' ≯ A B, A, B, 3 points of A ' point-blank, if A ' B+
During A A '=A B, A ' fronts in A B directions（As shown in Figure 5）, that is, obtain centering A ' point coordinates, XA′= XA + A A′
Cos α, YA′= YA + A A ' Sin α, if during A ' B-A A '=A B, A ' dead asterns in A B directions（As shown in Figure 6）,
Obtain centering A ' point coordinates, XA′= XA - A A ' Cos α, YA′= YA - A A ' Sin α, if during A ' B=A B, A ' in A points
Surface, that is, obtain centering A ' point coordinates, XA′= XA, YA′= YA 。
Point Coordinates can be measured further according to A ', the point coordinates of B two.
Because the centering coordinate points A ' of total powerstation is ideally digital image center picture point, but because equipment is installed
And skew can be produced during use, the present invention has carried out A ' pixel coordinates to this and has been corrected determination.Total powerstation centering is sat
Punctuate A ' pixel coordinates determine method, first clap a digital image, then accurate rotation " is clapped a digital image, led to for 180 ° 00 ' 00
Cross digital figure software and recognize that the central point pixel coordinate O of two digital image overlapping regions is A ' pixels seat in shot image
Mark（As shown in Figure 7）.
Claims (4)
1. determining the total powerstation of alignment based on digital image, the total powerstation includes leveling pedestal（1）, pedestal（1）Install top
Alidade（2）, it is characterised in that：In alidade（2）The miniature CCD that the former instrument aligning partses of substitution are installed in axis bottom is shot
Device（3）.
2. the total powerstation according to claim 1 that alignment is determined based on digital image, it is characterised in that：It is described miniature
CCD device for shooting pixel is not less than 1,000,000 pixels.
3. the total powerstation according to claim 1 or 2 that alignment is determined based on digital image, it is characterised in that：It is described micro-
Type CCD device for shooting is 50 centimetres to 200 centimetres away from geographical coordinates point vertical height.
4. the total powerstation according to claim 1 that alignment is determined based on digital image, it is characterised in that：Including keyboard behaviour
Make panel, keyboard operation panel is provided with shooting button, shooting button signal connection miniature CCD device for shooting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621329079.3U CN206573113U (en) | 2016-12-02 | 2016-12-02 | The total powerstation of alignment is determined based on digital image |
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| CN201621329079.3U CN206573113U (en) | 2016-12-02 | 2016-12-02 | The total powerstation of alignment is determined based on digital image |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403916A (en) * | 2016-12-02 | 2017-02-15 | 淮阴工学院 | Total station for measuring centering point based on digital image and working method thereof |
| CN108151717A (en) * | 2017-11-15 | 2018-06-12 | 四川建筑职业技术学院 | A kind of Full automatic quadrat method based on BIM systems |
| CN109115198A (en) * | 2018-10-19 | 2019-01-01 | 重庆工程职业技术学院 | From protection total station |
| CN110174095A (en) * | 2019-05-30 | 2019-08-27 | 淮阴工学院 | A kind of total station and its measurement horizontal angle method of digital image centering |
-
2016
- 2016-12-02 CN CN201621329079.3U patent/CN206573113U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403916A (en) * | 2016-12-02 | 2017-02-15 | 淮阴工学院 | Total station for measuring centering point based on digital image and working method thereof |
| CN108151717A (en) * | 2017-11-15 | 2018-06-12 | 四川建筑职业技术学院 | A kind of Full automatic quadrat method based on BIM systems |
| CN109115198A (en) * | 2018-10-19 | 2019-01-01 | 重庆工程职业技术学院 | From protection total station |
| CN110174095A (en) * | 2019-05-30 | 2019-08-27 | 淮阴工学院 | A kind of total station and its measurement horizontal angle method of digital image centering |
| CN110174095B (en) * | 2019-05-30 | 2021-03-16 | 淮阴工学院 | Total station instrument for digital image centering and method for measuring horizontal angle by using total station instrument |
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Effective date of registration: 20190515 Address after: 223000 No. 28 Meicheng West Road, Qingjiangpu District, Huaian City, Jiangsu Province Patentee after: Huaian Construction Quality Inspection Center Co., Ltd. Address before: 223005 Huaian 1 Jiangsu Higher Education Park Patentee before: Huaijin Polytechnical College |
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