CN109242827A - A kind of method of the collision detection of power cable line and underground pipe canal - Google Patents
A kind of method of the collision detection of power cable line and underground pipe canal Download PDFInfo
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- CN109242827A CN109242827A CN201810913047.5A CN201810913047A CN109242827A CN 109242827 A CN109242827 A CN 109242827A CN 201810913047 A CN201810913047 A CN 201810913047A CN 109242827 A CN109242827 A CN 109242827A
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
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Abstract
The invention discloses a kind of methods of the collision detection of power cable line and underground pipe canal, the three-dimensional space model of power cable line and underground pipe canal is constructed first with parametric modeling method, then safe frame is generated according to power cable line three-dimensional space model, finally construct three-dimensional scenic, carry out the collision detection of power cable line and underground pipe canal, the present invention is by introducing safe frame, the collision detection between cabling power route and underground pipe canal can fast and effeciently be calculated, the crash focal point being highlighted out between cabling power route and underground pipe canal simultaneously, it could be visually observed that the position of collision between cabling power route and underground pipe canal.
Description
Technical field
The present invention relates to power engineering field, the side of the collision detection of specially a kind of power cable line and underground pipe canal
Method.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
500KV and more than various voltage class, the power cable of various insulation.
The growth of China's economic continuously and healthily provides the huge market space for cable products, and Chinese market is strong
Temptation, so that sight is all focused on Chinese market by the world, in short decades of reforming and opening up to the outside world, Chinese cable manufacturing industry institute
The huge production capacity formed allows the world to regard with special esteem.With China electric power industry, data communication industry, urban track traffic industry,
The continuous expansion of the industry sizes such as car industry and shipbuilding, the demand to wire and cable will also increase rapidly, the following wire and cable
There are also huge development potentialities for industry.
In Practical Project, cable run includes a variety of system of laying (comb laying, cable duct laying, tunnel laying), respectively
((four-way is perpendicular for straight line well (straight line vertical shaft), rotation angle well, three driftings (tee shaft), four driftings for the cable work well of kind form
Well))；It is the trend of underground pipe canal, outer diameter, different with the regulation of cable minimum range；Cause collision detection calculating and its
Complexity haves the defects that certain.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide the collision of a kind of power cable line and underground pipe canal
The method of detection can not only fast and effeciently calculate the collision detection between cabling power route and underground pipe canal, moreover it is possible to
It is visually observed that position of collision, can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of method of the collision detection of power cable line and underground pipe canal, includes the following steps:
S100, the three-dimensional space model that power cable line and underground pipe canal are constructed using parametric modeling method；
S200, safe frame is generated according to power cable line three-dimensional space model；
S300, building three-dimensional scenic, carry out the collision detection of power cable line and underground pipe canal.
Further, in the step s 100, the power cable line threedimensional model and the underdrain three-dimensional mould
The construction method of type specifically: constructed by computer programming and according to the standard size of power cable line and underdrain
Power cable line threedimensional model and underdrain threedimensional model.
Further, in the step s 100, the power cable line three-dimensional space model includes cable shaft threedimensional model
With laying section threedimensional model, the underground pipe canal three-dimensional space model includes buried pipe threedimensional model and underground ditch threedimensional model.
It further, in step s 200, include electricity according to the safe frame that power cable line three-dimensional space model generates
Cable well safe frame and laying section safe frame.
Further, the specific steps of the cable shaft safe frame are generated are as follows:
S2011, the envelope frame that cable shaft threedimensional model is generated by computer；
S2012, respectively from X-axis, Y-axis, Z-direction by cable shaft envelope frame amplify 0.3m, 0.3m, 0.3m.
Further, the specific steps of the laying section safe frame are generated are as follows:
S2021, the envelope frame that laying section threedimensional model is generated by computer；
S2022, respectively from X-axis, Y-axis, Z-direction will lay section safe frame amplify 0.5m, 0.5m, 0.5m.
Further, in step S300, the collision detection of power cable line and underground pipe canal specifically: pass through calculating
Cable shaft safe frame, the collision detection of laying section safe frame and buried pipe threedimensional model and cable shaft safety are realized in machine programming
Frame, the collision detection for laying section safe frame and underground ditch threedimensional model, and position of collision is highlighted.
Further, the collision detection of the cable shaft safe frame, laying the section safe frame and buried pipe threedimensional model
Specifically: seek burnt method using collision, using the sideline of the upper top of buried pipe threedimensional model and bottom as 2 line segments, respectively with
Focus is sought in each face in 6 faces of cable shaft safe frame and laying section safe frame, and the focus of position of collision is highlighted.
Further, the collision detection of the cable shaft safe frame, laying the section safe frame and underground ditch threedimensional model
Specifically: burnt method is sought using collision, using the sideline of the upper and lower, left and right side of underground ditch threedimensional model as 4 line segments, is divided
Focus is not sought with each face in 6 faces of cable shaft safe frame and laying section safe frame, and the focus of position of collision is highlighted
Display.
Further, burnt method is sought in collision specifically:
S3011, in three-dimensional coordinate system, utilize equation to indicate collision line segment and impingement area region；
S3012, collision line segment both ends are infinitely extended, forms the straight line of a three-dimensional space, and represent this with equation
Straight line, while impingement area region infinitely being extended around, a face of three-dimensional space is formed, and represent this with equation and put down
Face；
S3013, simultaneous linear equation and plane equation solve the focus of straight line and plane, when equation group is without solution, collision
Line segment and impingement area region collisionless focus execute step S3014 when equation group has solution；
S3014, the focal coordinates acquired in step S3013 are updated to collision line segment equation and impingement area area equation
In, if the coordinate of intersection point meets collision line segment equation and impingement area area equation simultaneously, which is collision line segment and collision
The crash focal point in face region, conversely, the intersection point is not the crash focal point for colliding line segment and impingement area region.
Compared with prior art, the beneficial effects of the present invention are:
(1) introducing of safe frame of the present invention can carry out collision detection, and energy to the cable run of different laying way of local
Enough collisions fast and effeciently calculated between the route of cabling power and underground pipe canal, greatly improve the efficiency of collision detection
And precision；
(2) collision of the invention asks burnt method that can quickly calculate the collision between safe frame and underground pipe canal, and
And be highlighted crash focal point, it could be visually observed that the collision between cable circuit route and underground pipe canal.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of methods of the collision detection of power cable line and underground pipe canal, including
Following steps:
S100, the three-dimensional space model that power cable line and underground pipe canal are constructed using parametric modeling method；
S200, safe frame is generated according to power cable line three-dimensional space model；
S300, building three-dimensional scenic, carry out the collision detection of power cable line and underground pipe canal.
In present embodiment, mould is collided using the three-dimensional space that computer programming carries out cabling power route and underground pipe canal
Quasi-, it could be visually observed that the collision of cabling power route and underground pipe canal, specifically, the introducing of safe frame can be fast
Speed effectively calculates position of collision, while intuitively position of collision showing in such a way that safe frame locally reddens.
In the step s 100, the building side of the power cable line threedimensional model and the underdrain threedimensional model
Method specifically: construct power cable by computer programming and according to the standard size of power cable line and underdrain
Road threedimensional model and underdrain threedimensional model.
In the step s 100, the power cable line three-dimensional space model includes cable shaft threedimensional model and laying section three
Dimension module, the underground pipe canal three-dimensional space model include buried pipe threedimensional model and underground ditch threedimensional model.
In present embodiment, cable shaft threedimensional model, laying section threedimensional model, buried pipe threedimensional model and underground ditch three
Dimension module is drawn all in accordance with the full-size(d) of engineering, is the precondition of generation safe frame, and can be truly and effectively
Carry out the collision of cabling power route and underground pipe canal in Practical Project.
It in step s 200, include cable shaft safe frame according to the safe frame that power cable line three-dimensional space model generates
With laying section safe frame.
Generate the specific steps of the cable shaft safe frame are as follows:
S2011, the envelope frame that cable shaft threedimensional model is generated by computer；
S2012, respectively from X-axis, Y-axis, Z-direction by cable shaft envelope frame amplify 0.3m, 0.3m, 0.3m.
Generate the specific steps of the laying section safe frame are as follows:
S2021, the envelope frame that laying section threedimensional model is generated by computer；
S2022, respectively from X-axis, Y-axis, Z-direction will lay section safe frame amplify 0.5m, 0.5m, 0.5m.
In present embodiment, envelope frame is cuboid outer surface structure, utilizes cable shaft safe frame and laying section safety
Frame come replace cable shaft and laying section, and by cable shaft safe frame and lay section safe frame respectively with buried pipe three-dimensional mould
Type, underground ditch threedimensional model carry out collision detection, can fast and effeciently calculate position of collision, solve existing collision detection
Calculate complicated problem.
In step S300, the collision detection of power cable line and underground pipe canal specifically: pass through computer programming reality
Existing cable shaft safe frame, the collision detection and cable shaft safe frame of laying section safe frame and buried pipe threedimensional model, laying section
The collision detection of safe frame and underground ditch threedimensional model, and position of collision is highlighted.
The collision detection of the cable shaft safe frame, laying the section safe frame and buried pipe threedimensional model specifically: benefit
Burnt method is sought with collision, it is safe with cable shaft respectively using the sideline of the upper top of buried pipe threedimensional model and bottom as 2 line segments
Focus is sought in each face in 6 faces of frame and laying section safe frame, and the focus of position of collision is highlighted.
The collision detection of the cable shaft safe frame, laying the section safe frame and underground ditch threedimensional model specifically: benefit
Seek burnt method with collision, using the sideline of the upper and lower, left and right side of underground ditch threedimensional model as 4 line segments, respectively with cable
Focus is sought in each face in 6 faces of well safe frame and laying section safe frame, and the focus of position of collision is highlighted.
In present embodiment, burnt method is asked to calculate cable shaft safe frame and laying section safe frame and underground using collision
The position of collision and cable shaft safe frame of pipe threedimensional model and the position of collision for laying section safe frame and underground ditch threedimensional model,
It is complicated to solve the problems, such as that existing collision detection calculates, can fast and effeciently calculate position of collision, while by position of collision
It is highlighted, it could be visually observed that the position of collision of cabling power route and underground pipe canal.
Burnt method is sought in collision specifically:
S3011, in three-dimensional coordinate system, utilize equation to indicate collision line segment and impingement area region；
S3012, collision line segment both ends are infinitely extended, forms the straight line of a three-dimensional space, and represent this with equation
Straight line, while impingement area region infinitely being extended around, a face of three-dimensional space is formed, and represent this with equation and put down
Face；
S3013, simultaneous linear equation and plane equation solve the focus of straight line and plane, when equation group is without solution, collision
Line segment and impingement area region collisionless focus execute step S3014 when equation group has solution；
S3014, the focal coordinates acquired in step S3013 are updated to collision line segment equation and impingement area area equation
In, if the coordinate of intersection point meets collision line segment equation and impingement area area equation simultaneously, which is collision line segment and collision
The crash focal point in face region, conversely, the intersection point is not the crash focal point for colliding line segment and impingement area region.
In present embodiment, crash one by one breast the tape section and impingement area region of burnt method is asked solve using collision, most
The comprehensive position of collision for finding out power cable line and underground pipe canal afterwards.
In the present embodiment, the specific calculating step of burnt method is sought in collision are as follows:
(1) in three-dimensional coordinate system, collision line segment and impingement area region are indicated using equation
In three-dimensional space, rectangular coordinate system in space is established, represents collision line segment and impingement area region with equation, by
The straight line of three-dimensional space and the general equation in face can indicate collision line segment and impingement area region are as follows:
Wherein 1. formula is the equation for colliding line segment in three-dimensional coordinate system, 2. formula is impingement area region in three-dimensional space
Equation in coordinate system.
(2) collision line segment both ends are infinitely extended, forms the straight line of a three-dimensional space, and represent this directly with equation
Line, while impingement area region infinitely being extended around, a face of three-dimensional space is formed, and represent the plane with equation
In three-dimensional coordinate system, collision line segment both ends infinitely extend and become straight line, and impingement area region is to four
All planes infinitely extended to form in space can will be collided by straight line in three-dimensional space and the general equation of plane
Straight line and impingement area indicate are as follows:
Jx+Ky+Lz+M=0 is 4.
Wherein 3. formula is that collision line segment both ends infinitely extend and are formed by collision linear equation, 4. formula is impingement area region four
All unlimited extend are formed by impingement area equation.
(3) simultaneous linear equation and plane equation solve the focus of straight line and plane, when equation group is without solution, collide line
Section and impingement area region collisionless focus execute step S3014 when equation group has solution
3. 4. simultaneous collision linear equation solves the intersection point of collision straight line and impingement area with impingement area equation:
1) when 3. 4. simultaneous is without solution with formula for formula, straight line and impingement area are collided in entire three-dimensional space without intersection point, therefore
Centainly without focus in part range；
2) when 3. 4. simultaneous has solution to formula with formula, it is assumed that intersecting point coordinate is P (n, m, o), and intersection point P is collision straight line and collision
The focus in face, needs to further determine that whether point P is on collision line segment and impingement area region.
(4) focal coordinates acquired in step S3014 are updated in collision line segment equation and impingement area area equation,
If the coordinate of intersection point meets collision line segment equation and impingement area area equation simultaneously, which is collision line segment and impingement area area
The crash focal point in domain, conversely, the intersection point is not the crash focal point for colliding line segment and impingement area region
In order to determine focus P whether be collide line segment and impingement area region intersection point, by the coordinate of point P be updated to formula 1. and
Formula 2., if the coordinate value of P point can meet simultaneously formula 1. with formula 2., P point is crash focal point, otherwise P point is not crash focal point.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of method of the collision detection of power cable line and underground pipe canal, which comprises the steps of:
S100, the three-dimensional space model that power cable line and underground pipe canal are constructed using parametric modeling method；
S200, safe frame is generated according to power cable line three-dimensional space model；
S300, building three-dimensional scenic, carry out the collision detection of power cable line and underground pipe canal.
2. the method for the collision detection of a kind of power cable line according to claim 1 and underground pipe canal, feature exist
In in the step s 100, the construction method of the power cable line threedimensional model and the underdrain threedimensional model has
Body are as follows: construct power cable line three by computer programming and according to the standard size of power cable line and underdrain
Dimension module and underdrain threedimensional model.
3. the method for the collision detection of a kind of power cable line according to claim 1 and underground pipe canal, feature exist
In: in the step s 100, the power cable line three-dimensional space model includes cable shaft threedimensional model and laying section three-dimensional mould
Type, the underground pipe canal three-dimensional space model include buried pipe threedimensional model and underground ditch threedimensional model.
4. the method for the collision detection of a kind of power cable line according to claim 1 and underground pipe canal, feature exist
In: in step s 200, the safe frame according to the generation of power cable line three-dimensional space model includes cable shaft safe frame and applies
If section safe frame.
5. the method for the collision detection of a kind of power cable line according to claim 4 and underground pipe canal, feature exist
In generating the specific steps of the cable shaft safe frame are as follows:
S2011, the envelope frame that cable shaft threedimensional model is generated by computer；
S2012, respectively from X-axis, Y-axis, Z-direction by cable shaft envelope frame amplify 0.3m, 0.3m, 0.3m.
6. the method for the collision detection of a kind of power cable line according to claim 1 and underground pipe canal, feature exist
In the specific steps of the generation laying section safe frame are as follows:
S2021, the envelope frame that laying section threedimensional model is generated by computer；
S2022, respectively from X-axis, Y-axis, Z-direction will lay section safe frame amplify 0.5m, 0.5m, 0.5m.
7. the method for the collision detection of a kind of power cable line according to claim 1 and underground pipe canal, feature exist
In, in step S300, the collision detection of power cable line and underground pipe canal specifically: cable is realized by computer programming
Well safe frame, the collision detection of laying section safe frame and buried pipe threedimensional model and cable shaft safe frame, laying section safe frame
With the collision detection of underground ditch threedimensional model, and position of collision is highlighted.
8. the method for the collision detection of a kind of power cable line according to claim 7 and underground pipe canal, feature exist
In the collision detection of the cable shaft safe frame, laying the section safe frame and buried pipe threedimensional model specifically: utilize collision
Seek burnt method, using the sideline of the upper top of buried pipe threedimensional model and bottom as 2 line segments, respectively with cable shaft safe frame and apply
If focus is sought in each face in 6 faces of section safe frame, and the focus of position of collision is highlighted.
9. the method for the collision detection of a kind of power cable line according to claim 7 and underground pipe canal, feature exist
In the collision detection of the cable shaft safe frame, laying the section safe frame and underground ditch threedimensional model specifically: utilize collision
Burnt method is sought, it is safe with cable shaft respectively using the sideline of the upper and lower, left and right side of underground ditch threedimensional model as 4 line segments
Focus is sought in each face in 6 faces of frame and laying section safe frame, and the focus of position of collision is highlighted.
10. according to the side of claim 8 or the collision detection of a kind of power cable line as claimed in claim 9 and underground pipe canal
Method, it is characterised in that: burnt method is sought in collision specifically:
S3011, in three-dimensional coordinate system, utilize equation to indicate collision line segment and impingement area region；
S3012, collision line segment both ends are infinitely extended, form the straight line of a three-dimensional space, and represent the straight line with equation,
Impingement area region is infinitely extended around simultaneously, forms a face of three-dimensional space, and represent the plane with equation；
S3013, simultaneous linear equation and plane equation solve the focus of straight line and plane, when equation group is without solution, collide line segment
Step S3014 is executed when equation group has solution with impingement area region collisionless focus；
S3014, the focal coordinates acquired in step S3013 are updated in collision line segment equation and impingement area area equation,
If the coordinate of intersection point meets collision line segment equation and impingement area area equation simultaneously, which is collision line segment and impingement area area
The crash focal point in domain, conversely, the intersection point is not the crash focal point for colliding line segment and impingement area region.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810913047.5A CN109242827B (en) | 2018-08-13 | 2018-08-13 | Method for detecting collision between power cable line and underground pipe trench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913047.5A CN109242827B (en) | 2018-08-13 | 2018-08-13 | Method for detecting collision between power cable line and underground pipe trench |
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| CN109242827B CN109242827B (en) | 2022-05-06 |
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| WO2014190081A1 (en) * | 2013-05-21 | 2014-11-27 | Transocean Sedco Forex Ventures Limited | Computer vision collision avoidance in drilling operations |
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| CN105469406A (en) * | 2015-11-30 | 2016-04-06 | 东北大学 | Bounding box and space partitioning-based virtual object collision detection method |
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