1. A building water heating electric pipeline wiring method based on a BIM model is characterized by comprising the following steps:

step S11: inputting model information of an existing building structure, and reading water heating electric component information;

step S12: dividing the building structure into a plurality of independent closed areas and defining through the information;

step S13: marking the member and the closed area by marking coordinates with small squares;

step S14: distributing the total amount required by each specialty of water, heat and electricity from the main machine room to each area according to the current national or industrial pipeline design specifications;

step S15: carrying out pipeline synthesis on the generated three professional design schemes of water, heating and electricity, and judging whether the design requirements are met;

step S16: and outputting the three-dimensional BIM model meeting the design requirement.

2. The BIM model-based building water heating electric pipeline wiring method as claimed in claim 1, wherein in step S11, firstly, the information in the existing BIM model containing building structure specialties is read by a program and converted into data which can be used for operation;

and simultaneously, reading information contained in the three-dimensional model through a program, wherein the information comprises three professional components of division of each closed region, character marking for representing the function of the region, and water, heat and electricity required by design.

3. The BIM model-based building water heating electric pipeline wiring method as claimed in claim 1, wherein the space of the floor is divided into a plurality of regular closed areas containing the same space attribute by an algorithm, and definition is added to the regular closed areas by using functional notation at step S12.

4. The BIM model-based building water heating electric pipeline wiring method as claimed in claim 1, wherein in step S13, the space is replaced by a small block with the minimum unit of 1 cubic millimeter, and different comments are added according to the function of the region to which the space belongs; the component or enclosed area is marked as either passable or non-passable according to current national or industry pipeline design specifications.

5. The BIM model-based building water heating electric pipeline wiring method according to claim 4, wherein the round pipe is defined as a square pipe by a small square.

6. The BIM model-based building water heating electric pipeline wiring method according to claim 1, wherein the step S14 is that the target room and the professional main machine room are connected along the passable area by using a proper pipe through an algorithm; and adjusting the attributes of the small blocks after passing through a certain area to provide a data base for a subsequent pipeline synthesis algorithm.

7. The BIM model-based building water heating electric pipeline wiring method as claimed in claim 1, wherein in step S15, pipeline synthesis relates to pipeline installation in building electromechanical engineering, and pipeline collision is solved by combining a small block through a piping algorithm.

8. The BIM-model-based wiring method for electric pipelines in building heating and water supply system of claim 1, wherein in step S16, after the design is confirmed, the final version is output as the BIM model, and the project is completed after the design is checked again to confirm that no pipeline collision exists.

9. The BIM model-based building water heating electric pipeline wiring method according to claim 7 or 8, wherein the pipeline collision problem is judged by whether different members or small blocks of an enclosed area are overlapped.

10. A computer system for wiring of building plumbing electrical lines based on a BIM model, characterized by comprising a program which, when run on a computer, causes the computer to perform the method according to any one of claims 1 to 9.

Background

At present, equipment specialties (three specialties of water heating and electricity) of an existing architectural design institute are designed manually by designers, and design tasks are completed through cad drawing. Pipeline drawing mostly stays at a two-dimensional level and depends on manual drawing, and a designer needs to combine industry drawing standards or specifications to perform pipeline drawing.

The main defects are as follows: 1. the design period is long, the judgment is very dependent on the experience of workers, the cost is high, and errors are easy to occur; 2. the three-dimensional space cannot be expressed visually; 3. and manual drawing is adopted, the scheme is few, the selection cannot be performed, and the personalized requirements of customers cannot be met.

Chinese patent publication No. CN106202589A discloses a method for designing a three-dimensional home decoration pipeline, which comprises: acquiring an operation instruction input by a user in a preset home decoration pipeline system environment; calling design data corresponding to the operation instruction in a preset database according to the operation instruction; and creating the design data to obtain the design result of the target home decoration pipeline. Therefore, when the three-dimensional home decoration pipeline is designed, corresponding design data can be called according to an input operation instruction, the building processing is carried out on the basis of the design data, and a corresponding design structure is obtained, so that the intuitive and convenient design and arrangement of the home decoration pipeline are realized, and the maintenance, management, information retrieval and output of a home decoration pipeline system are facilitated. The invention also discloses a three-dimensional home decoration pipeline design system. The scheme is mainly used for home decoration, and needs to be processed according to an input operation instruction and then calls corresponding design data, and the problem of actual pipeline collision is not solved.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art, and provides an automatic method for designing water heating electric pipelines of a building, so that the automatic method can replace designers of the existing equipment specialties of a design institute.

The technical scheme adopted by the invention is as follows:

a building water heating electric pipeline wiring method based on a BIM model comprises the following steps:

step S11: inputting model information of an existing building structure, and reading water heating electric component information;

step S12: dividing the building structure into a plurality of independent closed areas and defining through the information;

step S13: marking the member and the closed area by marking coordinates with small squares;

step S14: distributing the total amount required by each professional of water heating electricity from a main machine room to each region according to the design specifications of the pipeline of the current country or industry;

step S15: carrying out pipeline synthesis on the generated three professional design schemes of water, heating and electricity, and judging whether the design requirements are met;

step S16: and outputting the three-dimensional BIM model meeting the design requirement.

Preferably, step S11, first, reading the information including coordinates, dimensions and materials in the BIM model containing architectural structure specialties by a program, and converting the information into data which can be used for calculation;

and simultaneously, reading information contained in the three-dimensional model through a program, wherein the information comprises three professional components of division of each closed region, character marking for representing the function of the region, and water, heat and electricity required by design.

Preferably, step S12, dividing the space of the floor into a plurality of regular closed areas containing the same spatial attributes by an algorithm, and adding definitions for the closed areas by using functional labels, includes: corridor space, room space.

Preferably, step S13, replacing the space with a small square with the minimum unit of 1 cubic millimeter, and adding different comments on the different functions of the areas to which the space belongs; the component or enclosed area is marked as either passable or non-passable according to current national or industry pipeline design specifications.

Preferably, the round tube is defined as a square tube by a small square.

Preferably, step S14, connecting the target room and the professional main machine room by using a proper pipeline along the passable area through an algorithm; and adjusting the attributes of the small blocks after passing through a certain area to provide a data base for a subsequent pipeline synthesis algorithm.

Preferably, in step S15, the pipeline synthesis relates to the installation of the ventilating and air conditioning, water supply and drainage, electrical and intelligent control professional pipelines in the building electromechanical engineering, and the problem of pipeline collision is solved through a pipeline arrangement algorithm.

Preferably, in step S16, after the design is confirmed, the final version is output as a BIM model, and the project is completed after the pipeline collision is checked and confirmed again.

Preferably, in step S15, the pipeline collision problem is judged by whether different members or small blocks of the closed area overlap.

A computer system for building plumbing electrical wiring based on a BIM model, comprising a program which, when run on a computer, causes the computer to perform the method as described above.

Compared with the prior art:

the technology adopts a digital automatic design method to replace the traditional CAD manual drawing method, and is a typical example of transformation and upgrading in the traditional industry. The whole engineering design time is shortened by one third, and the design efficiency of the water heating electric professional is improved by eighty percent. The machine replaces the manpower, thereby saving the labor cost, greatly reducing the error and reducing the design cost of the construction industry. Usually, the design cost of the building engineering is up to 2-3% of the total cost, and the wiring design accounts for one third of the design cost. The system can be used mainly in buildings, so the market application is very wide.

Drawings

FIG. 1 is a flow chart of an example method.

Fig. 2 is a schematic diagram of the BIM model read in S11 according to the embodiment. A

Fig. 3 is a schematic diagram in S12 of the embodiment.

Fig. 4 is a schematic diagram illustrating the space labeled by small squares in S13 according to the embodiment.

Fig. 5 is a wiring diagram of only the air duct in S14 of the embodiment.

Fig. 6 is a wiring diagram of only the water pipe in S14 of the embodiment.

Fig. 7 is a wiring diagram of the electric wiring in S15 of the embodiment.

Fig. 8 is a diagram of a three-wire-regulation front collision in S15 of the embodiment.

Fig. 9 is a wiring diagram of fig. 8 after adjustment.

Fig. 10 is a schematic diagram of distribution of the heating and ventilation system from the central unit.

FIG. 11 is a schematic view of the distribution of the watering system from the room.

Fig. 12 is a schematic diagram of the electrical system distribution from the machine room.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The design concept is as follows: firstly, the building and structure professions need to be designed, and cad drawings and three-dimensional BIM models are provided. And reading the information of the drawing and the model to a database, and defining and labeling the three-dimensional space. Marking the building components and the closed space, and calculating the components of the professions of the water heating power in the closed space according to the design specifications so as to obtain the total amount of the professions. From the three professional main rooms, the total amount is distributed to each space through the pipeline. Where collisions between pipes (pipeline integration) are an important part. Thereby achieving the automatic design of water heating electricity.

The first embodiment is as follows:

as shown in fig. 1 to 12, a building water heating electric pipeline wiring method based on a BIM model includes the following steps:

s11: inputting the model information of the existing building structure and inputting the water heating electric components of each closed space of the floor;

firstly, reading information in the existing BIM model containing architectural structure specialties, such as coordinates, dimensions, materials and the like, and further comprising component information: walls, doors, windows, stairs, handrails, floors, roofs; the structural information of the member comprises a beam and a column, and the information is converted into data which can be used for operation.

Meanwhile, information contained in the three-dimensional model is read through a program, for example, three professional components of water, heat and electricity of each closed region division, character marking (such as a machine room, an elevator and the like) for representing region functions and design requirements are read, and specifically, the water, heat and electricity consumption of each region is respectively as follows: the water is water consumption cubic meter; the heating process comprises fresh air supply and exhaust and air conditioning, and the air quantity is measured according to the building area; the electric body is a power tile.

S12: dividing the floor into a plurality of independent closed areas and defining the independent closed areas according to the building structure information;

the space of the floor is divided into a plurality of regular closed areas containing the same space attribute through an algorithm, and the definitions are added to the closed areas by using functional labels, such as corridor space, room space and the like.

S13: annotating the plurality of spaces with a small square annotation coordinate X, Y, Z;

the space is replaced by a small square with the minimum unit of 1 cubic millimeter, all round pipelines are defined as square pipelines, and different comments are added according to different functions of the regions to which the round pipelines belong. If the small block containing the column structure is noted as non-passing, the small block above the ordinary room containing no information is noted as passing, and all the small blocks inside the elevator car are noted as non-passing.

S14: distributing the total amount required by each specialty of water heating electricity to each region from a main computer room through a pipe distribution algorithm, wherein the pipe distribution algorithm is a single-specialty wiring-maze algorithm and follows the principle of allowing penetration and bypassing incapable of penetrating;

the target room and the professional main machine room are connected by an algorithm along the passable area by using a proper pipeline. And adjusting the attributes of the small blocks after passing through a certain area to provide a data base for a subsequent pipeline synthesis algorithm. And calculating the components and the total amount of the water heating electricity of each closed space according to design specifications, and then, reading the total machine room of the water heating electricity of the building model, and distributing the total machine room to each closed space by using a pipeline according to the total amount to meet the component requirements.

S15: carrying out pipeline synthesis on the generated three professional design schemes of water, heating and electricity, and judging whether the design requirements are met;

the pipeline comprehensively relates to the installation of professional pipelines such as ventilation air conditioners, water supply and drainage, electrical and intelligent control in the building electromechanical engineering, three sets of design schemes are respectively generated for selection according to three design requirements of highest net height, lowest cost and minimum construction difficulty after the problem of pipeline collision is solved through a pipeline arrangement algorithm, and the most satisfied design scheme is selected according to actual design requirements.

Pipeline comprehensive algorithm-judging collision, according to the national industry avoidance principle, judging sequence: 1. firstly, making collision between the heating ventilation and the structure: when the air pipe and the beam are in collision, the height of the air pipe is reduced until no collision exists; 2. adding a water pipe after adjustment, adopting the principle of upward detouring when the water pipe is contacted, and reducing the height of the air pipe until no collision exists if the water pipe is not contacted; 3. the electrical bridge and other systems are added and the operation is repeated.

More specifically, it is first assigned to specialties, such as heating ventilation, and is delivered from a machine room to a closed area (machine room map). It follows current wiring rules, such as going down a corridor. Blank tiles in the hallway are allowed to pass. When a second system is put in, the first used small block becomes the non-traversable attribute, conflict occurs, and pipeline adjustment is needed. The adjustment is made to be non-conflicting with each other by using a pipeline integration method. As shown in fig. 9.

S16: and outputting the three-dimensional BIM model meeting the design requirement.

And after the design scheme is confirmed, outputting the final version as a BIM model, and checking again to confirm that no pipeline collision exists, namely the project is completed.

All water heating electric professions need to carry out the operation so as to meet the design requirements of all professions without conflict.

Example two:

based on the first embodiment, the steps of specifically marking, wiring and eliminating defects are as follows:

a) labeling: and (4) importing a three-dimensional data graph of the building, and carrying out spatial labeling on the building, wherein the spatial labeling is carried out by a small square coordinate (X, Y, Z), the size is 1 cubic millimeter, and the whole building space is filled with small squares.

More specifically:

the interior of the exterior outline of the building is marked (X, Y, Z) with all small squares. Defining building internals includes: walls (different walls), doors, windows, floors, roofs, stairs, handrails, pillars, in addition solid or hollow are also defined, which can be distinguished by color marking. The columns and beams are not pierced and are labeled.

At the same time, functional areas are sought and distinguished, for example: bedrooms, classrooms, kitchens, etc.;

b) wiring: the single system respectively carries out water and electricity distribution, a plurality of sets of schemes can be generated on the premise of meeting the comprehensive design requirement of the pipeline, the optimal scheme is taken out from the schemes, the optimal scheme meets the scheme required by a user, and the plurality of sets of schemes can also be customized: low cost type, comfort level type, quick type.

C) And (3) defect elimination: when collision occurs, wiring can be automatically adjusted, engineering standards are met, functions are guaranteed, problems needing manual solving in the past are solved, and a scheme is coordinated through a computer.

More specifically:

the end of a single pipeline is defined into eight small blocks, if two pipelines or pipes are mutually contacted, one small block of the two pipelines or pipes falls into the space of other components, namely the two components are mutually judged, and whether the two small blocks are contacted or not can be judged after 8 times 2 times 16 times.

No matter the pipes in the building are square or round, all the pipes are square, and the collision of the pipelines can be avoided by the judgment method of the 16 small blocks.

In addition, the type of pipe needs to be defined first, which complies with the rules of the industry such as: the small pipe is wound around the large pipe, an avoidance algorithm is adopted, the pressure is applied, the non-pressure is applied, the water pipe and the electric pipe are in the same space, the electric pipe is arranged on the water pipe, and the like.

d) An iterative optimization system is performed in conjunction with a large amount of data.

Example three:

a computer system based on the first and second wiring methods of the embodiments of the BIM model includes a program which, when run on a computer, causes the computer to perform the method as described above.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.