CN109583060B - Lighting design method for electrical three-dimensional system - Google Patents
Lighting design method for electrical three-dimensional system Download PDFInfo
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- CN109583060B CN109583060B CN201811368955.7A CN201811368955A CN109583060B CN 109583060 B CN109583060 B CN 109583060B CN 201811368955 A CN201811368955 A CN 201811368955A CN 109583060 B CN109583060 B CN 109583060B
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- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Abstract
A method of lighting design for an electrical three-dimensional system, comprising: s1, building a standard model library of lighting equipment; s2, three-dimensional space arrangement of equipment; s3, creating a three-dimensional electric loop; s4, defining and calculating three-dimensional electric loop attributes; s5, creating a loop three-dimensional threading model and selecting the model; s6, generating a two-dimensional layout diagram and a distribution box system wiring diagram by one key; s7, automatically generating an equipment material table. The invention replaces the traditional two-dimensional design by using a full three-dimensional technical means, and completes the integrated design flow from three-dimensional modeling to two-dimensional symbolization drawing; by placing the three-dimensional entity lighting equipment model, the positioning is more accurate and the full-specialized collision inspection is participated; simulating real-line cable laying and pipe penetrating generation through a three-dimensional loop connection line to guide construction; the two-dimensional illumination layout diagram, the system wiring diagram and the material table are automatically generated, so that the diagram efficiency is greatly improved; accurate positioning and statistics of lighting equipment, lighting cables and penetrating pipes are realized, equipment material statistics is more accurate, and construction cost is greatly saved.
Description
Technical Field
The invention relates to the field of electricity, in particular to an illumination design method of an electric three-dimensional system.
Background
The lighting design meets the normal lighting requirements of engineering projects in operation, maintenance, overhaul and installation, and is an important component of electrical engineering design. In the traditional two-dimensional design mode, an illumination two-dimensional legend is directly placed on a two-dimensional drawing, a wiring diagram is drawn, and the pressure drop and statistical materials are calculated manually, so that the following problems exist: (1) The two-dimensional legend cannot realize unified management based on a standard element library, so that a designer is complicated to call and most of the elements are copied manually; (2) The two-dimensional legend is a pure graphic element without engineering attribute information; (3) The real electrical loop wiring relation is not established between the devices, the two-dimensional wiring is only schematic, and the three-dimensional laying path cannot be really generated to guide construction; (4) The related calculation and the pressure drop verification of the loop are all completed manually, and the material table is counted manually, so that errors are unavoidable; (5) The upstream professional design is repeatedly changed, the illumination needs to be manually modified again from beginning to end, the illumination cannot be automatically updated, and the design efficiency is low.
The three-dimensional collaborative design is a brand new design means and is a technical revolution of engineering industry. Compared with two-dimensional design, the method brings a brand new design mode and a collaboration state, can greatly improve productivity, and simultaneously provides a new thought and approach for optimizing a construction scheme, guiding engineering construction and finally delivering design products. Based on engineering data center, the integration of research, design and construction and the informatization of production management become a necessary trend.
Currently, in the field of lighting design, there is no integrated process available on the market from three-dimensional modeling to two-dimensional drawing. The three-dimensional modeling software emerging in the market is a lot, but can only meet the modeling requirement, does not form a complete lighting design system and design environment, and cannot form a complete solution.
Disclosure of Invention
In order to overcome the defects of the prior art, a complete system lighting design solution is formed, and the invention provides an electrical three-dimensional system lighting design method. The invention adopts the following technical scheme.
An electrical three-dimensional system lighting design method, comprising the following steps:
s1, building a standard model library of lighting equipment; according to different application fields, different manufacturers create various lighting equipment models and endow engineering attribute information; then, according to the two-dimensional symbol and the three-dimensional model of the equipment related to the design manual, a standard model library of the lighting equipment is built; the lighting equipment comprises a lamp, an evacuation indicator, a lighting distribution box, a switch and a socket, and the lighting equipment standard model library is convenient for a user to use and can be expanded;
s2: arranging equipment in a three-dimensional space; referring to civil engineering professional drawings, selecting lamp types meeting the specification requirements from a standard model library of the lighting equipment, and calculating illuminance, so as to determine the power and the quantity of the lamps, realize batch arrangement of the lighting equipment, generate illuminance calculation books and provide a basis for design;
s3: creating a three-dimensional electric loop; creating a three-dimensional electric wire loop by simulating construction wiring based on the three-dimensional model arranged in the step S1 and the step S2, forming an electric connection path between devices, sequentially distributing electric energy to electric equipment from a distribution box, and creating a three-dimensional electric loop on the basis of arranging lighting equipment;
s4: defining and calculating three-dimensional electric loop attributes; giving the three-dimensional electric loop engineering attribute information created in the step S3, calculating the loop capacity and current and performing voltage drop verification;
s5, creating a loop three-dimensional threading model and selecting the model; creating a three-dimensional poling model based on the wire loop path generated in the step S3;
s6, generating a two-dimensional layout diagram and a distribution box system wiring diagram; drawing and updating a two-dimensional layout diagram and a distribution box system wiring diagram based on the three-dimensional design result obtained in the steps;
s7, generating an equipment material table; and counting equipment materials based on the customized report template and inserting legend symbols.
Preferably, in the step S1, the engineering property information includes a default code of the device, the number and position of the connection points, an insertion point of the device, manufacturer information, a type of the light source, an installation mode, and a power of the light source.
Preferably, in the step S2, the illuminance calculation provides two methods, namely a unit capacity and a utilization coefficient, for calculating the number of lamps required by a room, and automatically reads the lamp capacity, luminous flux and ballast power parameters during calculation, so as to generate a word format illuminance calculation book, thereby providing a basis for design; when the equipment is arranged in batches, six modes of free arrangement, linear arrangement, start-stop arrangement, matrix uniform distribution and two-point uniform distribution are provided for a user to freely select according to design working conditions.
Preferably, in the step S2, based on the association correspondence between the two-dimensional symbol and the three-dimensional model established by the standard model library, the three-dimensional model is arranged, and the two-dimensional symbol is placed at the projection position on the floor slab, and the three-dimensional model is used for performing collision check with other professional models, and the two-dimensional symbol is directly used for outputting the floor plan.
Preferably, in the step S2, the type of the device to be arranged includes a parameterized boom and a pendant, and a plurality of three-dimensional boom and pendant models are automatically generated between the surface of the luminaire and the ceiling, and the lengths of the three-dimensional boom and the pendant models are updated synchronously with the position changes of the luminaire.
Preferably, in the step S2, the equipment is automatically assigned with a unique code identifier when arranged, and the code rule is customizable; the code is composed of four code segments of whole factory code, system code, equipment classification code and component code by adopting KKS coding rule.
Preferably, in the step S3, the created three-dimensional electrical circuit includes four types of normal lighting, emergency lighting, evacuation indication, and socket circuit. Multiple routing rules are provided for different types of loops including laying along a ceiling, laying along a floor, and laying along a wall.
Preferably, in said step S3, the addition of branches is supported when creating a three-dimensional electrical loop, and the same loop can be defined across floors to simulate real cabling.
Preferably, in the step S4, the three-dimensional electrical loop engineering properties include a line type, a loop rated voltage, a load type, a light source power factor, a lighting load simultaneous factor, a ballast and an accessory loss factor thereof.
Preferably, in the step S6, when generating the system wiring diagram, the user may select different industry templates; the distribution box wiring pattern comprises an end type and a dual-power supply type, and the loop wiring pattern comprises a normal lighting loop, a socket loop, a standby loop and a fire protection forced starting loop.
The beneficial effects of the invention are as follows: the invention provides a full three-dimensional design environment, which integrates related technologies, methods and standards of three-dimensional design. By placing the three-dimensional entity lighting equipment model, the positioning is more accurate and the full-specialized collision inspection is participated; simulating real-line cable laying and pipe penetrating generation through a three-dimensional loop connection line to guide construction; the two-dimensional illumination layout diagram, the system wiring diagram and the material table are automatically generated, so that the diagram efficiency is greatly improved; in addition, accurate positioning and statistics of the lighting equipment, the lighting cable and the penetrating pipe are realized, equipment material statistics is more accurate, and construction cost is greatly saved.
Drawings
Fig. 1 is a schematic flow chart of the present invention.
FIG. 2 is a block diagram of an illumination calculation interface for a unit capacity method and a utilization coefficient method in an embodiment of the present invention;
FIG. 3 is a word format illumination calculation book generated in an embodiment of the present invention;
FIG. 4 is a schematic illustration of a lamp, three-dimensional wire, and three-dimensional tube model in accordance with an embodiment of the present invention;
FIG. 5 is a partial enlarged view of a lamp, three-dimensional wire and three-dimensional tube through model in an embodiment of the invention;
FIG. 6 is a two-dimensional layout of an embodiment of the present invention;
FIG. 7 is a wiring diagram of a distribution box system in an embodiment of the invention;
fig. 8 is a table of device materials in an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
In the embodiment, a lighting design of a certain factory building of a certain hydropower station is taken as an example, and a product MicroStation of Bentley company is selected as an electric three-dimensional system lighting design platform.
In accordance with the flow chart of the present invention, as shown in fig. 1, the method for designing illumination of an electrical three-dimensional system comprises the following steps:
s1, building a standard model library of the lighting equipment, wherein various lighting equipment models are built by different manufacturers according to different application fields, and engineering attribute information is given; and constructing a standard model library according to the two-dimensional symbol and the three-dimensional model of the equipment associated with the design manual. The lighting equipment comprises lamps, evacuation instructions, a lighting distribution box, a switch, a socket and the like, and the standard model library is convenient for users to use and can be expanded;
in the embodiment, the lighting equipment models in the standard model library of the hydro-electric industry are rich and various in equipment types, and the design requirements can be completely met. The model library is convenient and quick to expand, the junction points and related attribute information such as rated power and rated current are defined based on the imported three-dimensional model, the junction points and the related attribute information are stored in the model library, and the three-dimensional model is converted into the lighting equipment with engineering attribute information. The model library bears the function of lighting equipment management and is convenient for users to search and call needed equipment.
S2: the equipment three-dimensional space arrangement (B) refers to a civil engineering professional drawing, lamp types meeting the specification requirements are selected in a standard model library, illumination calculation is carried out, so that the power and the number of the lamps are determined, the lighting equipment is arranged in batches, word format illumination calculation books are generated, and a basis is provided for design;
firstly, selecting a proper lamp type according to a room type, selecting a factory lamp in the embodiment, respectively adopting a unit capacity method and a utilization coefficient method to perform illumination calculation, wherein an interface is shown in fig. 2, selecting the room type of a hydropower station as a main factory building worm shell, according to a hydropower station illumination design specification NB/T35008, the power density specification value is 5W/m < 2 >, the required illumination value is 30lx, selecting a room in a frame mode to calculate the area of 160m < 2 >, and finally, calculating and determining that 8 factory lamps of 100W are required to be arranged in the room to meet the power density and illumination requirements, wherein a generated word format illumination calculation book is shown in fig. 3. According to different application scenes, various batch arrangement modes can be selected, including free arrangement, line arrangement, start-stop arrangement, matrix uniform distribution and two-point uniform distribution. The free arrangement is applicable to the arrangement of single devices in irregular space; the arrangement along the line is suitable for regularly distributing lamps along the line; the start-stop arrangement and the two-point uniform distribution are suitable for the arrangement of tunnel lamps; the matrix arrangement and matrix equipartition are suitable for the batch arrangement of the devices in a regular space. In the embodiment, the factory layout rule is that a matrix arrangement mode is selected, the number of rows and columns of the matrix and the interval between the rows and columns of the matrix are set, the relative floor height is 5m in a top view along a two-dimensional design habit, 8 lamps determined through calculation are arranged at one time, and an arrangement effect diagram is shown in fig. 4. Based on the association corresponding relation between the two-dimensional symbol and the three-dimensional model established by the standard model library, the two-dimensional symbol can be placed at the projection position on the floor slab when the three-dimensional model is arranged. The device is arranged to automatically assign a unique code identifier to the device, and in this embodiment, a KKS code rule is adopted.
And after the lamp is arranged, a boom hanging chain model is created in a parameterized mode according to the installation mode. A plurality of three-dimensional suspender and hanging chain models are automatically built between the surface of the lamp and the ceiling in batches, and the lengths of the three-dimensional suspender and hanging chain models are synchronously updated along with the position change of the lamp.
S3: the three-dimensional electric loop is created (C), a three-dimensional electric wire loop is created based on the three-dimensional model simulation construction wiring arranged in the step S1 and the step S2, an electric connection path is formed between the devices, and electric energy is distributed to electric equipment in sequence from a distribution box;
on the basis of the arrangement of the three-dimensional lighting device, a three-dimensional electrical circuit is created, and the circuit type is defined as normal lighting, emergency lighting, evacuation indication or socket circuit. The invention customizes default routing rules for each type of loop, normal lighting and emergency lighting to walk the ceiling, evacuation indication and socket loop to walk the floor, and can be laid along the wall under special conditions. The buried depth (wall, ceiling or floor) is input for the concealed installation type loop, and the wire and pipe penetration elevation is determined. After the loop type is defined, lighting equipment such as lamps and sockets and the like are sequentially selected from a distribution box in a drawing, and the invention supports the addition of a branch loop so as to add a switch into the loop for controlling the lamps, thereby completely simulating construction wiring. When creating the loop, the first device must be the lighting block terminal and the first device in the branch loop must be the luminaire defined in the loop. Aiming at the cross-floor power supply condition, the power supply distribution box is connected with the lamp through a lead, and an electric connection path is indicated. In the embodiment, the method is adopted to create a part of normal lighting loop and socket loop in the hydropower house, a three-dimensional wire model is shown in fig. 4, and a partial enlarged view is shown in fig. 5, so that construction is guided.
S4: defining and calculating the three-dimensional electric loop attribute, endowing the three-dimensional electric loop engineering attribute information created in the step S3, calculating the loop capacity and current and performing pressure drop verification;
engineering attribute information imparted to the three-dimensional electrical circuit includes circuit templates, lighting type (lighting circuit, receptacle circuit, evacuation indication, and three-phase incoming circuit), circuit rated voltage, lighting load simultaneous factor, ballast and its accessory loss factor, light source power factor. The calculation of loop capacity and current and the voltage drop verification adopt the following formula:
(1) For single-phase lighting circuits
P js ＝P z (1+a) (1)
Wherein a is the loss coefficient of the ballast and the accessories thereof; p (P) z Power sum (kw) for all lamps in the loop; p (P) js To calculate power (kw); i js To calculate the current (A); u (U) nx Rated phase voltage (V) for the line; cos phi is the power factor of the gas discharge lamp; r and x are line resistance and reactance (omega/km) respectively; l is the length of the line (km); Σi js Calculating a current sum (a) for the pass line; deltaU L Is the circuit pressure drop.
(2) For single-phase socket circuit and evacuation indication circuit
P js ＝P z (4)
Wherein P is z Power sum (kw) for all lamps in the loop; p (P) js To calculate power (kw); i js To calculate the current (A); u (U) nx Rated phase voltage (V) for the line; r is the line resistance (omega/km); l is the length of the line (km); Σi js Calculating a current sum (a) for the pass line; deltaU L Is the circuit pressure drop.
(3) For three-phase inlet wire return circuit
P js ＝3k t P sd (1+a) (7)
Wherein k is t For the load factor, P sd A power maximum (kw) in A, B, C three phases; a is the loss coefficient of the ballast and the accessories thereof; p (P) js To calculate power (kw); i js To calculate the current (A); u (U) nx Rated phase voltage (V) for the line; cos phi is the power factor of the gas discharge lamp; r is the line resistance (omega/km); l is the length of the line (km); Σi js Calculating a current sum (a) for the pass line; deltaU L Is the circuit pressure drop.
S5, creating and selecting a three-dimensional pipe penetrating model of the loop, wherein the three-dimensional pipe penetrating model is built based on the wire loop path generated in the step S3 and buried in the ceiling and the wall, and the pipe penetrating model is automatically selected based on the outer diameter of the wire, and the model selecting principle meets the design specification requirement;
after the three-dimensional electric loop is established, the pressure drop check determines the section of the core wire of the wire and the outer diameter of the wire, and after the number of the penetrating pipes of the insulated wire is defined, the invention can automatically select the type of the penetrating pipes, and automatically establish the three-dimensional penetrating pipe model according to the path of the electric wire loop so as to simulate the actual construction wiring, and realize that the electric wire loop is buried in the ceiling, the floor or the wall through the penetrating pipes. The loop created in this embodiment is embedded in the ceiling through a pipe, the three-dimensional pipe penetrating model is shown in fig. 4, and the partial enlarged view is shown in fig. 5.
S6, generating a two-dimensional layout and a wiring diagram of the distribution box system by one key, and automatically drawing and updating the two-dimensional layout and the wiring diagram of the distribution box system based on the three-dimensional design result obtained in the process. The invention uses the floor as a unit, draws and updates two-dimensional layout diagrams and distribution box system wiring diagrams corresponding to all three-dimensional electric loops created under the floor by one key, and refers to civil engineering professional cut diagrams to be directly used for drawing. The two-dimensional layout drawing in the embodiment is shown in fig. 6, and the wiring diagram of the distribution box system is shown in fig. 7.
S7, automatically generating an equipment material table (G), automatically counting equipment materials based on the customized report template, and inserting legend symbols. The operation procedure is the same as S6, and the automatic statistics is performed in units of floors, and the equipment material table generated in this embodiment is shown in fig. 8.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (8)
1. An illumination design method of an electrical three-dimensional system is characterized by comprising the following steps:
s1, building a standard model library of lighting equipment; according to different application fields, different manufacturers create various lighting equipment models and endow engineering attribute information; then, according to the two-dimensional symbol and the three-dimensional model of the equipment related to the design manual, a standard model library of the lighting equipment is built; the lighting equipment comprises a lamp, an evacuation indicator, a lighting distribution box, a switch and a socket, and the lighting equipment standard model library is convenient for a user to use and can be expanded;
s2: arranging equipment in a three-dimensional space; referring to civil engineering professional drawings, selecting lamp types meeting the specification requirements from a standard model library of the lighting equipment, and calculating illuminance, so as to determine the power and the quantity of the lamps, realize batch arrangement of the lighting equipment, generate illuminance calculation books and provide a basis for design;
s3: creating a three-dimensional electric loop; creating a three-dimensional electric wire loop by simulating construction wiring based on the three-dimensional model arranged in the step S1 and the step S2, forming an electric connection path between devices, sequentially distributing electric energy to electric equipment from a distribution box, and creating a three-dimensional electric loop on the basis of arranging lighting equipment;
s4: defining and calculating three-dimensional electric loop attributes; giving the three-dimensional electric loop engineering attribute information created in the step S3, calculating the loop capacity and current and performing voltage drop verification;
s5, creating a loop three-dimensional threading model and selecting the model; creating a three-dimensional poling model based on the wire loop path generated in the step S3;
s6, generating a two-dimensional layout diagram and a distribution box system wiring diagram; drawing and updating a two-dimensional layout diagram and a distribution box system wiring diagram based on the three-dimensional design result obtained in the steps;
s7, generating an equipment material table; counting equipment materials based on the customized report template and inserting legend symbols;
in the step S3, the created three-dimensional electrical circuit includes four types of normal lighting, emergency lighting, evacuation indication and socket circuit; providing a plurality of routing rules for different types of loops including laying along a ceiling, laying along a floor, and laying along a wall; the creation of a three-dimensional electrical loop supports the addition of branches and the same loop is defined across floors to simulate real-line cabling.
2. The method according to claim 1, wherein in the step S1, the engineering property information includes a default code of the device, the number and position of the connection points, the insertion point of the device, manufacturer information, the type of the light source, the installation mode, and the power of the light source.
3. The lighting design method of the electrical three-dimensional system according to claim 1, wherein in the step S2, the illuminance calculation provides two methods, namely a unit capacity and a utilization coefficient, for calculating the number of lamps required by a room, and automatically reading the lamp capacity, luminous flux and ballast power parameters during calculation, so as to generate a word format illuminance calculation book, thereby providing a basis for design; when the equipment is arranged in batches, six modes of free arrangement, linear arrangement, start-stop arrangement, matrix uniform distribution and two-point uniform distribution are provided for a user to freely select according to design working conditions.
4. The lighting design method of the electrical three-dimensional system according to claim 1, wherein in the step S2, based on the association correspondence between the two-dimensional symbol and the three-dimensional model established by the standard model library, the two-dimensional symbol is placed at the projection position on the floor slab while the three-dimensional model is arranged, the three-dimensional model is used for performing collision inspection with other professional models, and the two-dimensional symbol is directly used for outputting the floor plan.
5. A lighting design method for an electrical three-dimensional system according to claim 1, wherein in said step S2, the type of equipment arranged comprises parameterized booms and chains, and a plurality of three-dimensional boom and chain models are automatically generated between the surface of the luminaire and the ceiling, and the lengths thereof are updated synchronously with the position changes of the luminaire.
6. The method according to claim 1, wherein in the step S2, the device is arranged to automatically assign a unique code identifier, and the code rule is customizable; the code is composed of four code segments of whole factory code, system code, equipment classification code and component code by adopting KKS coding rule.
7. The method according to claim 1, wherein in the step S4, the three-dimensional electrical loop engineering properties include line type, loop rated voltage, load type, light source power factor, lighting load simultaneous factor, ballast and accessory loss factor.
8. The method according to claim 1, wherein in step S6, when generating a system wiring diagram, a user may select different industry templates; the distribution box wiring pattern comprises an end type and a dual-power supply type, and the loop wiring pattern comprises a normal lighting loop, a socket loop, a standby loop and a fire protection forced starting loop.
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| CN113626909B (en) * | 2021-07-26 | 2023-07-21 | 武汉大学 | Electrical loop automatic analysis and drawing generation method and equipment based on drawing algorithm |
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| CN115049812A (en) * | 2022-07-01 | 2022-09-13 | 中国电建集团北京勘测设计研究院有限公司 | System for making intelligent interactive engineering illumination three-dimensional detailed drawing |
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