CN114154348B - Marine large cable modeling method - Google Patents
Marine large cable modeling method Download PDFInfo
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- CN114154348B CN114154348B CN202111523489.7A CN202111523489A CN114154348B CN 114154348 B CN114154348 B CN 114154348B CN 202111523489 A CN202111523489 A CN 202111523489A CN 114154348 B CN114154348 B CN 114154348B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims description 6
- 238000009877 rendering Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000012800 visualization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/16—Cables, cable trees or wire harnesses
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- Evolutionary Computation (AREA)
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to a modeling method of a marine large cable, which comprises the following steps: a phase-shifting transformer from the starting equipment medium voltage distribution board to the ending equipment; the method is characterized in that: the specific modeling method is as follows: all large cables are modeled and lofted in three-dimensional software, attached to specific positions of electrical equipment, cable brackets, flat steel and penetrating pieces in the model, each large cable is lofted from starting equipment to ending equipment in a mode of drawing multi-section lines, then a cable model is generated, and the length of the whole cable is calculated through an automatic length calculation program. The modeling lofting simulation cable trend method achieves three-dimensional visualization, is close to the actual cabling situation, and does not need allowance for paths; the key nodes in the cable path are optimized and quantized, the utilization rate of the large cable is obviously improved, and a good foundation is laid for the next step of automatic measurement.
Description
Technical Field
The invention relates to the technical field of large cable modeling, in particular to a marine large cable modeling method.
Background
The points are selected in the cable path, the real trend of the large cable cannot be reflected by comparing the surfaces, and finally, a plurality of line segments are accumulated to obtain the length of one line segment, the length of the line segment represents the length of the whole cable, the error is larger, the data is inaccurate, and the utilization rate of the large cable is not improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a marine large cable modeling method, which can solve the problems of large path margin and low utilization rate of a large cable of a general large cable according to a conventional cable modeling mode.
In order to solve the technical problems, the technical scheme of the invention is as follows: a marine large cable modeling method comprises the following steps: a phase-shifting transformer from the starting equipment medium voltage distribution board to the ending equipment; the innovation point is that: the specific modeling method is as follows:
s1: and (3) cable path drawing: the cable path from the medium-voltage distribution board of the starting equipment to the phase-shifting transformer of the ending equipment is adjusted out of the software model, and a multi-section line is drawn according to the trend of the cable; taking the actual situation on site as a basis, and paying attention to details of front length, rear length, inclined plane, height difference and bending radius of the cable when drawing the multi-section line; meanwhile, a terminal model of the equipment is built; after the drawing of the multi-section lines on the path is completed, connecting the multi-section lines on the whole path to realize the drawing of the cable path;
S2: modeling a cable: creating a cable model in software, creating a cable with the diameter of 60mm by adopting the cable model, and rendering and displaying on a path between a medium-voltage distribution board and a phase-shifting transformer;
S3: cable length measurement: after the cable modeling is completed, measuring the cable length by adopting software; in the measurement of the cable length, the length value of the whole cable is calculated by selecting the length of each line segment and accumulating and summing, so that the rapid and accurate measurement can be realized, and the measurement precision reaches the millimeter level;
S4: and (3) collecting path nodes: collecting path nodes passed by a large cable according to the trend of the large cable model and the cable model, and establishing a database; the length of each large cable is extracted from the database, and is compared with the length of the modeling cable to determine the final length of the large cable;
S5: drawing a large cable trend chart: the large cable trend graph is independently manufactured, and the graph can be used for clearly distinguishing whether the cable is paved from the inner ring and the outer ring or paved from the middle, so that the actual pulling and releasing on site is matched with the path trend of the model to the maximum extent, the actual length is close to a theoretical value, and the utilization rate of the large cable is improved to the maximum extent.
Further, the cable path in the step S1 is drawn, the middle-low voltage of the bending radius is 6D, and the middle voltage is 9D; wherein D is the cable diameter.
Further, in the step S1, the cable path is drawn, the wiring terminal model of the equipment is built, the wiring position of the final cable can be accurately seen, the giving of the end allowance of the cable equipment is facilitated, and the utilization rate of the cable is further improved.
The invention has the advantages that:
1) The invention is characterized in that all large cables are modeled and lofted in three-dimensional software, and are attached to specific positions of electrical equipment, cable brackets, flat steel and penetrating members in the model, each large cable is lofted from starting equipment to ending equipment in a mode of drawing multi-section lines, then a cable model is generated, and the length of the whole cable is calculated through an automatic length calculation program. The modeling lofting simulation cable trend method achieves three-dimensional visualization, is close to the actual cabling situation, and does not need allowance for paths; the key nodes in the cable path are optimized and quantized, the utilization rate of the large cable is obviously improved, and a good foundation is laid for the next step of automatic measurement.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a flow chart of a modeling method of a marine large cable according to the present invention.
Fig. 2 is a schematic path diagram of a modeling method for a marine large cable according to the present invention.
Fig. 3 is a cable modeling diagram of the marine large cable modeling method of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The modeling method of the marine large cable is as shown in fig. 1 to 3, and the path of the large cable is as follows: a phase-shifting transformer from the starting equipment medium voltage distribution board to the ending equipment; the specific modeling method is as follows:
s1: and (3) cable path drawing: the cable path from the medium-voltage distribution board of the starting equipment to the phase-shifting transformer of the ending equipment is adjusted out of the software model, and a multi-section line is drawn according to the trend of the cable; taking the actual situation on site as a basis, and paying attention to details of front length, rear length, inclined plane, height difference and bending radius of the cable when drawing the multi-section line; meanwhile, a terminal model of the equipment is built; after the drawing of the multi-section lines on the path is completed, connecting the multi-section lines on the whole path to realize the drawing of the cable path;
S2: modeling a cable: creating a cable model in software, creating a cable with the diameter of 60mm by adopting the cable model, and rendering and displaying on a path between a medium-voltage distribution board and a phase-shifting transformer;
S3: cable length measurement: after the cable modeling is completed, measuring the cable length by adopting software; in the measurement of the cable length, the length value of the whole cable is calculated by selecting the length of each line segment and accumulating and summing, so that the rapid and accurate measurement can be realized, and the measurement precision reaches the millimeter level;
S4: and (3) collecting path nodes: collecting path nodes passed by a large cable according to the trend of the large cable model and the cable model, and establishing a database; the length of each large cable is extracted from the database, and is compared with the length of the modeling cable to determine the final length of the large cable;
S5: drawing a large cable trend chart: the large cable trend graph is independently manufactured, and the graph can be used for clearly distinguishing whether the cable is paved from the inner ring and the outer ring or paved from the middle, so that the actual pulling and releasing on site is matched with the path trend of the model to the maximum extent, the actual length is close to a theoretical value, and the utilization rate of the large cable is improved to the maximum extent.
S1, drawing a cable path, wherein the middle and low voltages of the bending radius are 6D, and the middle voltage is 9D; wherein D is the cable diameter.
And S1, drawing a cable path, constructing a terminal model of the equipment, accurately finding out the wiring position of the final cable, facilitating the giving of the end allowance of the cable equipment, and further improving the utilization rate of the cable.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A marine large cable modeling method comprises the following steps: a phase-shifting transformer from the starting equipment medium voltage distribution board to the ending equipment; the method is characterized in that: the specific modeling method is as follows:
s1: and (3) cable path drawing: the cable path from the medium-voltage distribution board of the starting equipment to the phase-shifting transformer of the ending equipment is adjusted out of the software model, and a multi-section line is drawn according to the trend of the cable; taking the actual situation on site as a basis, and paying attention to details of front length, rear length, inclined plane, height difference and bending radius of the cable when drawing the multi-section line; meanwhile, a terminal model of the equipment is built; after the drawing of the multi-section lines on the path is completed, connecting the multi-section lines on the whole path to realize the drawing of the cable path;
S2: modeling a cable: creating a cable model in software, creating a cable with the diameter of 60mm by adopting the cable model, and rendering and displaying on a path between a medium-voltage distribution board and a phase-shifting transformer;
S3: cable length measurement: after the cable modeling is completed, measuring the cable length by adopting software; in the measurement of the cable length, the length value of the whole cable is calculated by selecting the length of each line segment and accumulating and summing, so that the rapid and accurate measurement can be realized, and the measurement precision reaches the millimeter level;
S4: and (3) collecting path nodes: collecting path nodes passed by a large cable according to the trend of the large cable model and the cable model, and establishing a database; the length of each large cable is extracted from the database, and is compared with the length of the modeling cable to determine the final length of the large cable;
S5: drawing a large cable trend chart: the large cable trend graph is independently manufactured, and the graph can be used for clearly distinguishing whether the cable is paved from the inner ring and the outer ring or paved from the middle, so that the actual pulling and releasing on site is matched with the path trend of the model to the maximum extent, the actual length is close to a theoretical value, and the utilization rate of the large cable is improved to the maximum extent.
2. The marine large cable modeling method of claim 1, wherein: the cable path in the step S1 is drawn, the middle and low voltages in the bending radius are 6D, and the middle voltage is 9D; wherein D is the cable diameter.
3. The marine large cable modeling method of claim 1, wherein: and (2) drawing a cable path in the step (S1), building a terminal model of the equipment, and accurately finding out the wiring position of the final cable, so that the giving of the terminal allowance of the cable equipment is facilitated, and the utilization rate of the cable is further improved.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523489.7A CN114154348B (en) | 2021-12-14 | 2021-12-14 | Marine large cable modeling method |
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| CN202111523489.7A CN114154348B (en) | 2021-12-14 | 2021-12-14 | Marine large cable modeling method |
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| CN114154348A CN114154348A (en) | 2022-03-08 |
| CN114154348B true CN114154348B (en) | 2024-05-07 |
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