CN109840346A - A kind of spray system design method based on BIM application - Google Patents
A kind of spray system design method based on BIM application Download PDFInfo
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- CN109840346A CN109840346A CN201811523370.8A CN201811523370A CN109840346A CN 109840346 A CN109840346 A CN 109840346A CN 201811523370 A CN201811523370 A CN 201811523370A CN 109840346 A CN109840346 A CN 109840346A
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Abstract
The present invention relates to spray systems domains, and in particular to a kind of spray system design method based on BIM application includes the following steps: 1) to determine fire-protection rating and density according to scheme and building, and carries out preliminary planar design；2) after step 1), spray system information needed database is established；3) after step 2), the special pipelines comprehensive design of spray system is completed；4) after the completion of step 3), the Preliminary design arrangement of spray branch pipe is carried out；5) after step 4), auto hydraulic calculating is carried out to spray system；6) after step 5), the assignment type selecting of spray system design is carried out；7) after step 6), water force check is carried out to spray system；8) after step 7), operating condition is simulated, installation analog demenstration is carried out；9) after step 8), database needed for generating, and checked.It is able to achieve the complete spray system directly designed and met the requirements.
Description
Technical field
The present invention relates to spray systems domains, and in particular to a kind of spray system design method based on BIM application, especially
The auto hydraulic for being related to a kind of precise and high efficiency calculates and the method for simulation spray head work real-time working condition.
Background technique
BIM (Building Information Modeling) i.e. Building Information Model is collecting construction-engineering project
On the basis of every relevant information data, it is established that three-dimensional building model is had by digital information analogue simulation building
Real information.It has information completeness, information relevance, consistency on messaging, visualization, harmony, simulation, optimization property
With can go out this eight big feature of figure.In China, BIM concept enters construction market in 21 century and is developed so far, increasingly multiplexing
Journey technical staff starts to grasp and can skillfully be designed using BIM technology.
As the maximally efficient first-aid extinguishing measure generally acknowledged in the world today, spray system is widely used.It has
The function of self-extinguishing and automatic alarm is usually in quasi-operating status, once fire, fire generating region occur in protection zone
The spray system in domain can act, and spray water mist or water droplet, the Lai Yanhuan intensity of a fire and stamp out a fire.Automatic sprinkler system is according to spray head class
The difference of type can be divided into the closed system using closed nozzle and the open system using deluge system.Divide again in closed system
It for wet pipe system, dry system, preact system and repeats to open and close preact system etc., wet pipe system is most widely used.Spray
The design of leaching system and the security of the lives and property of the people are closely bound up, be one during Designing of Building Water System extremely
Important link, whether in public building or civil buildings, the application of spray system is all very extensive.In current China
In the case that building trade continues to develop, requirement of the people to the structure and function of building is increasingly complicated.How could meet
Under the premise of every design specification, spray head number is reduced, protecting effect is sufficiently achieved；How fire cistern and water pump are rationally set
The position in room；How the water pump of high-efficiency and economic is selected, and with the requirement etc. for meeting green energy conservation, these give in building at this stage
The problem in Drainage Design, all to Water And Drainage System Design personnel, more stringent requirements are proposed, it is needed constantly to explore, conscientious total
Knot analysis, makes optimal selection according to engineering practice.
Summary of the invention
The application provides a kind of spray system design method based on BIM application, is able to achieve and directly designs satisfaction and want
The complete spray system asked.
To realize the above-mentioned technical purpose, the technical solution that the application takes is, a kind of spray system based on BIM application is set
Meter method, includes the following steps:
1) fire-protection rating and density are determined according to scheme and building, and carries out preliminary planar design；
2) after step 1), spray system information needed database is established, database information includes race's information of spray head, pipe
Race's information of race's information in road, race's information of pipe fitting and valve accessories；
3) after step 2), complete the special pipelines comprehensive design of spray system, special pipelines include domestic water system,
Living drainage system, storm-water system, hot-water heating system and hydrant system；
4) after the completion of step 3), the three-dimensional preliminary design arrangement of spray branch pipe is carried out, is specifically included: A, in the following two kinds
In the case of add spray head, one, pipeline evacuation and air hose position；Two, barrier width is greater than specification regulation, increases below barrier
If spray head；B, spray head is added to the spray head definition newly increased, and valve accessories is set；
5) after step 4), auto hydraulic calculating is carried out to spray system, auto hydraulic calculates the design stream including system
The calculating of amount calculating, the water force of pipeline and decompression facility head loss；
6) after step 5), the assignment type selecting of spray system design is carried out；
7) after step 6), water force check is carried out to spray system；
8) after step 7), operating condition is simulated, carries out installation analog demenstration, comprising: by information retrieval, filter out all sprays
Head position and building panel wall amount position, determine space spray head spacing range by assignment, with wall, beam, air hose and various obstacles
Object and clearance requirement, assignment spray head characteristic curve and spray area coverage, filter out undesirable pipe fitting and are repaired
Change；
9) after step 8), database needed for generating, and checked.
Preferably, race's library information of spray head should include: spray head type, K value, response temperature and protection scope curve.
Preferably, race's information of pipeline includes: conduit types, and connection type, correlation, which is wiped, hinders coefficient and pipeline internal-and external diameter.
Preferably, race's information of pipe fitting includes: tubular type, the coefficient of friction resistance and installation surplus.
Preferably, race's information of valve accessories includes: that wet alarm valve group, pressure reducing orifice, water flow indicator, attachment are had
The transmitting of the standby coefficient of friction resistance and electric signal.
Preferably, automatic hydraulic calculation includes: setting screening design conditions, pressure needed for being arranged by hypothesis least favorable point spray head
Force parameter, model are nearby caught fire 160 square metres of area, voluntarily instead according to related buildings model information and assignment with least favorable point
All spray head point assumed stress in kindling area, caliber needed for voluntarily calculating according to assignment and pressure reducing orifice size are calculated, inverse is calculated
Required pressurized equipment pressure and lift out are recommended the type selecting and pump group scheme of pump by built-in race's storehouse matching, automatically calculation specifications out
Book.
Preferably, the check in the step 8) includes the following steps: A, checks process by choosing spray head in space, with
Type wall column assigns coordinate (X, Y, Z) to each spray head；
B, fire compartment range is selected with uninterrupted wire frame, wherein for 1 (X of spray head1、Y1、Z1) added with interior remove of fire compartment
Adjacent spray head spacing outside spray head isSpray head a (Xa、Ya、Za)；
Wherein, when minimum spacing between the spray head that d is more than or equal to the building danger classes defined, and it is less than or equal to the building
Maximum spacing between the spray head of danger classes defined then carries out in next step, otherwise checking and not passing through, highlights feedback and be less than between minimum
Away from pipeline section；
C, according to water distribution curve, spray head and ground distance H, corresponding area coverage whether there is dead angle, if deposit
It is blocked in barrier, passes through check when cutting when water spray intensity meets there is no dead angle.
Beneficial effect
1, it generally uses Excel table to carry out complicated parameter compared to designer in traditional CAD Drawing Design to calculate,
Attachment quantity needs designer oneself to count, and bothers and easily malfunctions, and the application can carry out the design of spray system automatic
Water force, calculating operation is simple and quick, can accurately obtain the design discharge of system, and the water force of pipeline and decompression are set
The calculated result for applying head loss etc. mitigates the workload of designer, and change parameter is flexible, improves working efficiency.
2, the present invention can simulate generation fire using the method for the spray system design and check applied based on BIM, spray
The real-time working condition that head is started to work.After avoiding the occurrence of in traditional CAD Drawing Design rule of thumb method choice caliber, spray head,
In complicated Practical Project situation, there are many unreasonable places.The selection of water pump especially in spray system, it is many to design
The fire pump lift that personnel oneself select in order to prevent does not reach requirement, so that the water pump for selecting lift very big, causes to waste,
The requirement of green energy conservation is not met.And the method based on the BIM spray system design and check applied is used, it can simulate in real time
Spray system work operating condition, determines the water pump for selecting suitable lift, keeps the accuracy of design higher.
3, tradition CAD Drawing Design, the present invention use the method based on the BIM spray system design and check applied, energy
Intuitively see each pipeline, pipe fitting, in pipeline attachment etc. deployment scenarios, the problems such as capable of intuitively distinguishing pipeline collision, block,
It without separated drafting plan view and sectional view, and is not in that plan view and sectional view are not correspond to.
4, the present invention can optimize circuit design using the method for the spray system design and check applied based on BIM.Full
While the basic demand of sufficient other pipelines, designer can also carry out Deepen Design on this basis, make full use of space
Position, so that space maximizes.
To sum up, the application by BIM application solve based on typical graphics design in can not carry out auto hydraulic calculating and
The problem of simulating spray head work real-time working condition, the real work of pipeline after standpipe and pipeline layout can not be determined by solving plan view
The variation of state and water project situation, accurate device type selecting control surplus.
Detailed description of the invention
Fig. 1 the application design method flow chart.
Specific embodiment
To keep purpose and the technical solution of the embodiment of the present invention clearer, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of being not necessarily to creative work.
Traditional Building Water System Design is the design of drawing to be carried out using CAD software, and CAD is with two dimension mostly
Thoughtcast under 3-D technology design, and entire project under construction must be decomposed.And BIM software systems are then
With three-dimensional thoughtcast, in water supply and sewage work design scheme and plan etc. be designed and formulate simultaneously.Using traditional CAD
Drawing spray system design be supervisor, branch pipe and spray head etc. will be sprayed to draw out, and aside mark corresponding caliber and
Nozzle type.The three dimensional design that spray system is carried out using BIM technology is then by the conduit types of spray, caliber, spray head, mark
High information three-dimensional is expressed.In the BIM model of spray system, the component type and quantity for including are all more, Neng Gouzhun
Really clearly react Practical Project situation.Meanwhile the variation of caliber specification be also it is varied, draw spray when need repeatedly
Caliber is set, although operation is cumbersome, but can intuitively reflect design idea.In addition to this, it is to spray using BIM technology
System is designed and checks, moreover it is possible to the collision of the components such as discovery spray and finishing, air port, pipeline in advance, timely adjusted design side
Case is avoided doing over again and be wasted.
Traditional CAD Drawing Design method is that the experience of foundation designer is designed mostly, to the reality in engineering
Situation can not be intuitively visual, while not carrying out accurate water force to the design of spray system and checking, and being installed
Analog demenstration.So the method for being designed and being checked using the spray system applied based on BIM can effectively overcome these defects, energy
It improves production efficiency, save the cost and shortens the construction period, new idea and method is provided for designer, there is certain practice
Value and realistic meaning, after carrying out going deep into promoting, large-scale achievement will be displayed gradually, and can also be with item
The mesh period be continuously increased and the continuous promotion of complexity, its advantage is embodied at leisure.In Designing of Building Water System
In, scientific and reasonable utilization BIM technology can play positive effect.
In order to preferably realize application of the BIM in spray system, set forth herein a kind of spray systems based on BIM application
Design method, as shown in Figure 1, including the following steps:
1) determine that fire-protection rating and density carry out preliminary planar design according to scheme and building, design considerations is
" GB50084-2017 Code for design of automatic fire sprinkler systems "；
2) after step 1), spray system information needed database is established；Information database includes: spray head, pipeline, pipe
Part, valve accessories.For the integrality for guaranteeing information database, race's library information of spray head should include spray head type, K value, response temperature
Degree, the related extractable data information such as protection scope curve；Race's library information of pipeline should include conduit types, connection type, phase
It closes and wipes resistance coefficient, the extractable data information such as pipeline internal-and external diameter；Race's library information of pipe fitting should include tubular type, the coefficient of friction resistance,
Surplus is installed；Race's library information of valve accessories should be had including wet alarm valve group, pressure reducing orifice, water flow indicator etc., attachment
The standby correlation coefficient of friction resistance, the transmitting of electric signal.
3) after step 2), other special pipelines comprehensive designs are completed；Other special pipelines comprehensive designs generally comprise: raw
Water supply system, living drainage system, storm-water system, hot-water heating system and hydrant system living.Complete the comprehensive of other good special pipelines
After closing design, then spray system is designed, design cycle can be made clear and intuitive.
4) after the completion of step 3), the three-dimensional preliminary design arrangement of spray branch pipe is carried out；Spray the three dimensional design packet of branch pipe
It includes pipeline evacuation and air hose position increases spray head etc., the spray head newly increased is defined as adding spray head, is arranged in relevant position related
Valve accessories
5) after step 4), auto hydraulic calculating is carried out to spray system, auto hydraulic calculates the design stream including system
The calculating of amount calculating, the water force of pipeline and decompression facility head loss.Specifically include: auto hydraulic calculating needs to be arranged
Design conditions are screened, pressure parameter needed for being arranged by hypothesis least favorable point spray head, model is according to related buildings model information and assigns
Value is nearby caught fire 160 square metres of area with least favorable point, voluntarily all spray head point assumed stress in inverse kindling area, according to
Caliber needed for assignment voluntarily calculates and pressure reducing orifice size.Pressurized equipment flow needed for inverse calculates and lift.It needs to be determined that plus
Equipment and associated component are pressed, parameter is placed in information model, recommends the type selecting and pump group scheme of pump by built-in race's storehouse matching, automatically
Calculation specification out.
6) after step 5), the assignment type selecting of spray system design is carried out；
7) after step 6), water force check is carried out to spray system；
8) after step 7), operating condition is simulated, installation analog demenstration is carried out；By information retrieval, all spray head positions are filtered out
Set and build panel wall amount position, space spray head spacing range is determined by assignment, with wall, beam, air hose and various barriers and
Clearance requirement, assignment spray head characteristic curve and spray area coverage, filter out undesirable pipe fitting and modify.
9) after step 8), database needed for generating cooperates other professions in case checking.Rectangle and arranged in squares are sprayed
Head checks process: defining nozzle type, provides K value, water distribution curve and response time and technology properties and index by producer.
Pass through Dynamo visual programming software.Process is checked by choosing spray head in space, each spray head is assigned with type wall column
Give coordinate (X, Y, Z).Fire compartment range is selected with uninterrupted wire frame.Wherein for spray head 1 (non-to add spray head) (X1、Y1、Z1) with
Adjacent spray head spacing in fire compartment in addition to adding spray head isSpray head a
(Xa、Ya、Za), a refers to a-th of spray head.
Wherein, when (such as spacing is no less than minimum spacing between the spray head that d is more than or equal to the building danger classes defined
2.4m) and it is less than or equal to maximum spacing between the spray head of the building danger classes defined.It then carries out in next step, otherwise highlighting feedback
Less than minimum spacing pipeline section, check does not pass through.For barriers such as any spray head (X, Y, Z) and fire compartment the internal coordinate wall columns defined
Spacing between object is hindered to meet specification regulation.Spray head should be added below when barrier width is greater than specification regulation (being greater than 0.6m).
According to water distribution curve, spray head and ground distance H, corresponding area coverage whether there is dead angle, if there are barrier screenings
Gear.Pass through check when cutting when water spray intensity meets there is no dead angle.
A three-dimensional time scale is formed by BIM technology, and four-dimensional installation progress worksheet can be made with this.
Intend firing range in Building Information Model center modeling, spray system simulates working condition, the correlation of sprinkler tip
Operating point can extract, and output simulation operating condition each point water conservancy state is checked for examining.
The above is only embodiments of the present invention, and the description thereof is more specific and detailed, and but it cannot be understood as right
The limitation of the invention patent range.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (7)
1. a kind of spray system design method based on BIM application, which comprises the steps of:
1) fire-protection rating and density are determined according to scheme and building, and carries out preliminary planar design；
2) after step 1), spray system information needed database is established, database information includes race's information of spray head, pipeline
Race's information of race's information, race's information of pipe fitting and valve accessories；
3) after step 2), the special pipelines comprehensive design of spray system is completed, special pipelines include domestic water system, life
Drainage system, storm-water system, hot-water heating system and hydrant system；
4) after the completion of step 3), the three-dimensional preliminary design arrangement of spray branch pipe is carried out, is specifically included: A, in the following two kinds situation
Under add spray head, one, pipeline evacuation and air hose position；Two, barrier width is greater than specification regulation, and spray is added below barrier
Head；B, the spray head newly increased is defined as adding spray head, and valve accessories is set；
5) after step 4), auto hydraulic calculating is carried out to spray system, auto hydraulic calculates the design discharge meter including system
The calculating of calculation, the water force of pipeline and decompression facility head loss；
6) after step 5), the assignment type selecting of spray system design is carried out；
7) after step 6), water force check is carried out to spray system；
8) after step 7), operating condition is simulated, carries out installation analog demenstration, comprising: by information retrieval, filter out all spray head positions
Set and build panel wall amount position, space spray head spacing range is determined by assignment, with wall, beam, air hose and various barriers and
Clearance requirement, assignment spray head characteristic curve and spray area coverage, filter out undesirable pipe fitting and modify；
9) after step 8), database needed for generating, and checked.
2. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that spray head
Race's library information should include: spray head type, K value, response temperature and protection scope curve.
3. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that pipeline
Race's information includes: conduit types, and connection type, correlation, which is wiped, hinders coefficient and pipeline internal-and external diameter.
4. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that pipe fitting
Race's information includes: tubular type, the coefficient of friction resistance and installation surplus.
5. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that valve is attached
Race's information of part includes: wet alarm valve group, pressure reducing orifice, water flow indicator, the had coefficient of friction resistance of attachment and electric signal
Transmitting.
6. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that automatic water
It includes: that design conditions are screened in setting that benefit, which calculates, and pressure parameter needed for being arranged by hypothesis least favorable point spray head, model is built according to correlation
Model information and assignment are built, is nearby caught fire 160 square metres of area with least favorable point, voluntarily all spray head points in inverse kindling area
Assumed stress, caliber needed for voluntarily being calculated according to assignment and pressure reducing orifice size, inverse calculate required pressurized equipment pressure and raise
Journey is recommended the type selecting and pump group scheme of pump by built-in race's storehouse matching, automatically calculation specification out.
7. a kind of spray system design method based on BIM application according to claim 1, which is characterized in that the step
It is rapid 8) in check include the following steps: A, check process by choosing spray head in space, with type wall column to each spray head
It assigns coordinate (X, Y, Z)；
B, fire compartment range is selected with uninterrupted wire frame, wherein for 1 (X of spray head1、Y1、Z1) in fire compartment except adding spray head
Outer adjacent spray head spacing isSpray head a (Xa、Ya、Za)；
Wherein, when minimum spacing between the spray head that d is more than or equal to the building danger classes defined, and it is dangerous to be less than or equal to the building
Maximum spacing between the spray head of grade defined then carries out in next step, otherwise checking and not passing through, highlights feedback and be less than minimum spacing pipe
Section；
C, according to water distribution curve, spray head and ground distance H, corresponding area coverage whether there is dead angle, if there is barrier
Hinder object to block, passes through check when cutting when water spray intensity meets there is no dead angle.
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Cited By (5)
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| CN111046483A (en) * | 2020-01-09 | 2020-04-21 | 朱文飚 | Assembly type construction method of fire-fighting pipeline |
| CN111382510A (en) * | 2020-03-06 | 2020-07-07 | 上海大学 | Method and system for automatic modeling of spraying system based on Revit |
| CN112906088A (en) * | 2021-02-03 | 2021-06-04 | 嘉博联合设计股份有限公司 | Automatic CAD (auto computer aided design) -based automatic deployment method and system for fire-fighting spray header |
| CN113538466A (en) * | 2021-07-27 | 2021-10-22 | 同济大学建筑设计研究院(集团)有限公司 | Method and device for batch arrangement of fire-fighting spray heads by considering indoor beam and storage medium |
| CN113738136A (en) * | 2021-08-18 | 2021-12-03 | 中建安装集团有限公司 | Concrete curing automatic spraying system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111046483A (en) * | 2020-01-09 | 2020-04-21 | 朱文飚 | Assembly type construction method of fire-fighting pipeline |
| CN111382510A (en) * | 2020-03-06 | 2020-07-07 | 上海大学 | Method and system for automatic modeling of spraying system based on Revit |
| CN112906088A (en) * | 2021-02-03 | 2021-06-04 | 嘉博联合设计股份有限公司 | Automatic CAD (auto computer aided design) -based automatic deployment method and system for fire-fighting spray header |
| CN113538466A (en) * | 2021-07-27 | 2021-10-22 | 同济大学建筑设计研究院(集团)有限公司 | Method and device for batch arrangement of fire-fighting spray heads by considering indoor beam and storage medium |
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| CN113738136B (en) * | 2021-08-18 | 2022-09-20 | 中建安装集团有限公司 | Concrete curing automatic spraying system |
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Application publication date: 20190604 |