CN108681649A - City integrated piping lane cable cabin fire disaster simulation method and device - Google Patents
City integrated piping lane cable cabin fire disaster simulation method and device Download PDFInfo
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Abstract
The embodiment of the present invention provides a kind of city integrated piping lane cable cabin fire disaster simulation method and device, is related to technical field of fire safety.Wherein, the method is by waiting for that the structural parameters of analog synthesis piping lane create piping lane model, the cable model for simulating cable burning is added in the piping lane model further according to the structural parameters of cable to be simulated, and burning things which may cause a fire disaster of the addition for causing the cable mock up ignition, then to the Thermal Parameter of the piping lane model, the combustion characteristics of cable protection layer and the property of fire source of the burning things which may cause a fire disaster are configured in the cable model, it is finally based on the Thermal Parameter of the piping lane model, the property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster carries out fire disaster simulation, obtain the air themperature changed with cable burning time in pipe gallery, smokescope, the fire such as concentration of toxic gases numerical value and fire disaster simulation scene, theoretical foundation is provided for fire-fighting and rescue, considerably reduce the danger of fire rescue.
Description
Technical field
The present invention relates to technical field of fire safety, in particular to a kind of city integrated piping lane cable cabin fire
Analogy method and device.
Background technology
Power communication occupies an important position in economic life, when cable fire occurs in city integrated piping lane, it will
Our daily life is caused to seriously affect with production, so finding pipe gallery cable fire can occur for fire fighter
Enter pipe gallery at the first time and carries out fire-fighting and rescue.
However, it is quite dangerous, cable combustion to carry out rescue into pipe gallery in the case where not knowing fire behavior
Grave danger may be constituted to the personal safety of fire fighter by burning amount of heat, smog, the toxic gas etc. generated.
Therefore, the cable fire behavior of city integrated piping lane is simulated, obtains pipe gallery air temperature, smog
The fire such as concentration, concentration of toxic gases numerical value is with the changing rule of cable burning time and various gases and heat in integrated pipe
Distribution situation in corridor is particularly important to fire-fighting and rescue.
Invention content
In order to overcome above-mentioned deficiency in the prior art, the purpose of the present invention is to provide a kind of city integrated piping lane cables
Cabin fire disaster simulation method and device, for being simulated to the cable fire behavior in pipe gallery, to obtain pipe gallery
Occur cable fire when with cable burning time variation fire numerical value and fire disaster simulation scene, for fire-fighting and rescue provide theory according to
According to.
To achieve the goals above, the technical solution that present pre-ferred embodiments use is as follows：
In a first aspect, the embodiment of the present invention provide a kind of city integrated piping lane cable cabin fire disaster simulation method, for pair
Cable fire in pipe gallery is simulated, the method includes：
According to the structural parameters establishment piping lane model for waiting for analog synthesis piping lane；
Cable model is added in the piping lane model according to the structural parameters of cable to be simulated, and is added and caused the cable
The burning things which may cause a fire disaster of line model burning；
Configure the combustion characteristics of cable protection layer and the fire in the Thermal Parameter of the piping lane model, cable model
The property of fire source in source；
The combustion characteristics of Thermal Parameter, cable protection layer based on the piping lane model and the burning things which may cause a fire disaster of the burning things which may cause a fire disaster are special
Property carry out fire disaster simulation, to obtain the fire numerical value changed with cable burning time in the pipe gallery and fire disaster simulation field
Scape.
Optionally, in embodiments of the present invention, the knot of the structural parameters for waiting for analog synthesis piping lane and cable to be simulated
Structure parameter includes shape and size, and the method further includes：
Establish simultaneously grid division；
According to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and according to waiting for mould
The shape and size of quasi- cable create the cable model in the grid.
Optionally, in a preferred embodiment of the present invention, before carrying out fire disaster simulation to the cable model, the method
Further include：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes pipe gallery
In initial temperature, wind speed and draft type.
Optionally, in embodiments of the present invention, the structural parameters of basis cable to be simulated are in the piping lane model
Cable model is added, and the step of addition causes the burning things which may cause a fire disaster of the cable mock up ignition includes：
Cable to be simulated is obtained relative to the first position parameter of pipe gallery and the burning things which may cause a fire disaster relative to cable to be simulated
The second position parameter of line；
According to the first position parameter and second position parameter added respectively in the piping lane model cable model and
Burning things which may cause a fire disaster.
Optionally, in embodiments of the present invention, in the Thermal Parameter, cable model of the configuration piping lane model
Further include before the property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster：
Waited for described in acquisition in the Thermal Parameter of analog synthesis piping lane, cable model the combustion characteristics of cable protection layer and
The property of fire source of the burning things which may cause a fire disaster；Wherein,
The Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, heat hair
Dissipate coefficient and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate,
Burning things which may cause a fire disaster attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
Second aspect, the embodiment of the present invention also provide a kind of city integrated piping lane cable cabin fire disaster simulation device, are used for
Cable fire in pipe gallery is simulated, described device includes：
Creation module, for according to waiting for that the structural parameters of analog synthesis piping lane create piping lane model, and according to waiting simulating
The structural parameters of cable add cable model in the piping lane model, and add the burning things which may cause a fire disaster for causing the cable mock up ignition；
Configuration module, the burning for configuring cable protection layer in the Thermal Parameter of the piping lane model, cable model
The property of fire source of characteristic and the burning things which may cause a fire disaster；
Analog module, the combustion characteristics for Thermal Parameter, cable protection layer based on the piping lane model and institute
The property of fire source for stating burning things which may cause a fire disaster carries out fire disaster simulation, to obtain the fire numerical value changed with cable burning time in the pipe gallery
And fire disaster simulation scene.
Optionally, in embodiments of the present invention, the structural parameters for waiting for analog synthesis piping lane and cable to be simulated
Structural parameters include shape and size, and the creation module is specifically used for：
Establish simultaneously grid division；
According to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and according to waiting for mould
The shape and size of quasi- cable create the cable model in the grid.
Optionally, in embodiments of the present invention, the configuration module is additionally operable to：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes pipe gallery
In initial temperature, wind speed and draft type.
Optionally, in embodiments of the present invention, described device further includes：
Acquisition module, for obtaining first position parameter and the burning things which may cause a fire disaster phase of the cable to be simulated relative to pipe gallery
For the second position parameter of cable to be simulated；
The creation module is specifically used for according to the first position parameter and second position parameter in the piping lane model
It is middle to add cable model and burning things which may cause a fire disaster respectively.
Optionally, in embodiments of the present invention, the acquisition module is additionally operable to wait for the heat of analog synthesis piping lane described in acquisition
The property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster in performance parameter, cable model；Wherein,
The Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, heat hair
Dissipate coefficient and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate,
Burning things which may cause a fire disaster attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
In terms of existing technologies, the invention has the advantages that：
City integrated piping lane cable cabin provided in an embodiment of the present invention fire disaster simulation method and device is comprehensive by waiting simulating
The structural parameters for closing piping lane create piping lane model, and use is added in the piping lane model further according to the structural parameters of cable to be simulated
In the cable model of simulation cable burning, and the burning things which may cause a fire disaster for causing the cable mock up ignition is added, then to the piping lane
The property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster carries out in the Thermal Parameter of model, the cable model
Configuration, be finally based on the Thermal Parameter of the piping lane model, the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster burning things which may cause a fire disaster
Characteristic carries out fire disaster simulation, obtains the air themperature changed with cable burning time in pipe gallery, smokescope, toxic gas
The fire such as concentration numerical value and fire disaster simulation scene, theoretical foundation is provided for fire-fighting and rescue, to reduce fire rescue
It is dangerous.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only the section Example of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the step schematic diagram of city integrated piping lane cable cabin provided in an embodiment of the present invention fire disaster simulation method；
Fig. 2 is the sub-step signal in the fire disaster simulation method of city integrated piping lane cable cabin provided in an embodiment of the present invention
Figure；
Fig. 3 is that the modeling procedure in the fire disaster simulation method of city integrated piping lane cable cabin provided in an embodiment of the present invention shows
It is intended to；
Fig. 4 is the parameter configuration step in the fire disaster simulation method of city integrated piping lane cable cabin provided in an embodiment of the present invention
Rapid schematic diagram；
Fig. 5 is the module diagram of city integrated piping lane cable cabin provided in an embodiment of the present invention fire disaster simulation device.
Icon：100- city integrated piping lane cables cabin fire disaster simulation device；101- creation modules；102- acquisition modules；
103- configuration modules；104- analog modules.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the embodiment of the present invention, it should be noted that the naming methods such as term " first ", " second " be only for
Name is distinguished, convenient for the description present invention and simplifies description, rather than indicates or implies its relative importance, therefore cannot be understood
For limitation of the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
First embodiment
Refering to fig. 1, the embodiment of the present invention provides a kind of city integrated piping lane cable cabin fire disaster simulation method, for comprehensive
The cable fire closed in piping lane is simulated, the method includes：
Step S10, according to the structural parameters establishment piping lane model for waiting for analog synthesis piping lane.
In embodiments of the present invention, fire behavior when cable fire occurs in pipe gallery in order to obtain, obtains synthesis
The fire such as piping lane air temperature, oxygen concentration, smokescope, concentration of toxic gases numerical value and fire disaster simulation scene are with cable
The rule of burning time variation carries out large eddy simulation using FDS softwares to the cable fire in pipe gallery.This method is logical first
The structural parameters for obtaining and waiting for analog synthesis piping lane are crossed, then wait for that the structural parameters of analog synthesis piping lane are modeled according to,
Obtain the piping lane model for analog synthesis piping lane cable fire.Wherein, the structural parameters for waiting for analog synthesis piping lane can be with
Including shape and size parameter etc..
Step S20 adds cable model according to the structural parameters of cable to be simulated in the piping lane model, and adds and draw
Play the burning things which may cause a fire disaster of the cable mock up ignition.
In the embodiment of the present invention, after S10 through the above steps creates piping lane model, according to the structure of cable to be simulated
Parameter adds cable model in the piping lane model, and adds the burning things which may cause a fire disaster for causing the cable mock up ignition.
Specifically, it referring to Fig.2, in the present embodiment, is specifically wrapped when adding cable model and burning things which may cause a fire disaster in the piping lane model
Include following sub-step：
Step S201, obtain cable to be simulated relative to pipe gallery first position parameter and the burning things which may cause a fire disaster relative to
The second position parameter of cable to be simulated.
Step S202 adds cable respectively according to the first position parameter and second position parameter in the piping lane model
Line model and burning things which may cause a fire disaster.
In embodiments of the present invention, the first position parameter and second position parameter and above-mentioned analog synthesis is waited for
The structural parameters of piping lane and cable to be simulated can be adjusted according to real data, to simulate more accurate fire number
Value and fire disaster simulation scene.Wherein, the cable model in piping lane model by creating a strip structure and in the bar shaped
Body structure surface adds cable protection layer material according to mass fraction ratio and realizes；The burning things which may cause a fire disaster causes cable for simulating release heat
Line burns, which can be the virtual point of a release heat, when the heat of burning things which may cause a fire disaster release reaches the ignition temperature of cable
When trigger cable fire.It should be noted that the power of the burning things which may cause a fire disaster can arbitrarily be adjusted according to actual conditions, the burning things which may cause a fire disaster phase
The position of cable model can be configured according to the position of practical burning things which may cause a fire disaster and cable, for example, the burning things which may cause a fire disaster can be set
It is placed in the cable model surface, for simulating cable spontaneous combustion caused by the current failures such as current overload.
Optionally, specific to wrap when creating the piping lane model and cable model referring to Fig. 3, in the embodiment of the present invention
It includes：
Step S01 establishes simultaneously grid division.
Step S02, according to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and
The cable model is created in the grid according to the shape and size of cable to be simulated.
In the present embodiment, when creating the piping lane model and cable model, is established first by step S01 and divide net
Lattice, then by step S02 according to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid,
And the cable model is created in the grid according to the shape and size of cable to be simulated.Wherein, the grid is minimum
Computing unit creates piping lane model and cable model in the grid, thus by the piping lane model and cable model decomposition
Simulation calculating is carried out for several minimum units.
Please continue to refer to Fig. 1, city integrated piping lane cable cabin provided in an embodiment of the present invention fire disaster simulation method is also wrapped
Include step S30：
Configure the combustion characteristics of cable protection layer and the fire in the Thermal Parameter of the piping lane model, cable model
The property of fire source in source.
In the present embodiment, after the completion of the piping lane model, cable model and burning things which may cause a fire disaster create, need to the piping lane model
The combustion characteristics of cable protection layer and the property of fire source of the burning things which may cause a fire disaster are configured in Thermal Parameter, the cable model,
Wherein, the Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, thermal transpiration
Coefficient and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate, fire
Source attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
Optionally, in one embodiment of the invention, the pyrolysis parameters of rock can be obtained by thermogravimetric test.Specifically
Ground, the pyrolysis parameters of rock may include the combustion heat, reaction rate, combustion products etc..The thermal boundary condition may include model
Type, surface temperature and heat emission etc..
Further include step S29 before the step S30 referring to Fig. 4, in the present embodiment：
Obtain the combustion characteristics and burning things which may cause a fire disaster of cable protection layer in the Thermal Parameter for waiting for analog synthesis piping lane, cable model
Property of fire source.
In the present embodiment, the combustion of cable protection layer in the Thermal Parameter of the piping lane model, the cable model
Burn characteristic and the burning things which may cause a fire disaster property of fire source configured before, need to obtain the Thermal Parameter for waiting for analog synthesis piping lane,
The property of fire source of the combustion characteristics of cable protection layer and burning things which may cause a fire disaster in cable model, the step can pass through the form of input data
It realizes.
Referring to Fig. 1, in embodiments of the present invention, it further includes later step S40 to complete above-mentioned all step S30：
The combustion characteristics of Thermal Parameter, cable protection layer based on the piping lane model and the burning things which may cause a fire disaster of the burning things which may cause a fire disaster are special
Property carry out fire disaster simulation, to obtain the fire numerical value changed with cable burning time in the pipe gallery and fire disaster simulation field
Scape.
Optionally, in a preferred embodiment of the present invention, in order to improve the accuracy of fire disaster simulation, passing through S40 pairs of step
Before the cable model carries out fire disaster simulation, the method further includes：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes pipe gallery
In initial temperature, wind speed and draft type.Also, when pipe gallery uses natural ventilation system, the environmental parameter is also
It may include the air pressure in piping lane.
After the environmental parameter before configuring simulated fire, environmental parameter and the Thermal Parameter of the piping lane model can be passed through
Obtain the specific heat capacity, thermal radiation absorption depth, thermal coefficient of the pipe gallery；Meanwhile it being protected by the environmental parameter and cable
The combustion characteristics of sheath, the property of fire source of burning things which may cause a fire disaster obtain the parameters such as the ignition temperature of the cable, thermal emission coefficient.
Based on above-mentioned parameter, fire disaster simulation is carried out to cable model by step S40, you can obtain in the pipe gallery
With fire such as air themperature, oxygen concentration, smokescope, the concentration of toxic gases of the variation of cable burning time after generation cable fire
Calamity numerical value and fire disaster simulation scene.Wherein, the fire such as the air themperature, oxygen concentration, smokescope, concentration of toxic gases
Numerical value can be by the FDS softwares according to the Thermal Parameter configured to the piping lane model, to cable in the cable model
The combustion characteristics of protective layer configuration and the property of fire source configured to the burning things which may cause a fire disaster calculate.
Second embodiment
Refering to Fig. 5, the present embodiment provides a kind of city integrated piping lane cable cabin fire disaster simulation devices 100, for comprehensive
The cable fire closed in piping lane is simulated, and described device includes：
Creation module 101, for according to waiting for that the structural parameters of analog synthesis piping lane create piping lane model, and according to waiting for mould
The structural parameters of quasi- cable add cable model in the piping lane model, and add the fire for causing the cable mock up ignition
Source；
Configuration module 103, the combustion for configuring cable protection layer in the Thermal Parameter of the piping lane model, cable model
Burn the property of fire source of characteristic and the burning things which may cause a fire disaster；
Analog module 104, for based on the piping lane model Thermal Parameter, cable protection layer combustion characteristics and
The property of fire source of the burning things which may cause a fire disaster carries out fire disaster simulation, to obtain the fire number changed with cable burning time in the pipe gallery
Value and fire disaster simulation scene.
Optionally, in embodiments of the present invention, the structural parameters for waiting for analog synthesis piping lane and cable to be simulated
Structural parameters include shape and size, and the creation module 101 is specifically used for：
Establish simultaneously grid division；
According to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and according to waiting for mould
The shape and size of quasi- cable create the cable model in the grid.
Optionally, in embodiments of the present invention, the configuration module 103 is additionally operable to：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes pipe gallery
In initial temperature, wind speed and draft type.
Optionally, in embodiments of the present invention, described device further includes：
Acquisition module 102, for obtaining first position parameter and the fire of the cable to be simulated relative to pipe gallery
Second position parameter of the source relative to cable to be simulated；
The creation module 101 is specifically used for according to the first position parameter and second position parameter in the piping lane mould
Cable model and burning things which may cause a fire disaster are added in type respectively.
Optionally, in embodiments of the present invention, the acquisition module 102 is additionally operable to wait for analog synthesis piping lane described in acquisition
The property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster in Thermal Parameter, cable model；Wherein,
The Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, heat hair
Dissipate coefficient and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate,
Burning things which may cause a fire disaster attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
In addition, in embodiments of the present invention, city integrated piping lane cable cabin fire disaster simulation device 100 can also wrap
Display is included, for showing that simulation cable burns to obtain fire disaster simulation scene, so as to more be intuitive to see pipe gallery
The spread condition of fire spread situation, temperature variations and fire hazard aerosol fog and gaseous product when middle cable burning.
It should be noted that in embodiments of the present invention, disclosed device and method can also be by another way
It realizes.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing show basis
The device of multiple embodiments of the present invention, the architecture, function and operation in the cards of method and computer program product.
In this regard, each box in flowchart or block diagram can represent a part for a module, section or code, the mould
A part for block, program segment or code includes one or more executable instructions for implementing the specified logical function.Also it answers
When note that at some as in the realization method replaced, the function of being marked in box can also be to be different from being marked in attached drawing
The sequence of note occurs.For example, two continuous boxes can essentially be basically executed in parallel, they sometimes can also be by opposite
Sequence execute, this is depended on the functions involved.It is also noted that each box in block diagram and or flow chart and
The combination of box in block diagram and or flow chart can use the dedicated hardware based system of function or action as defined in executing
It unites to realize, or can realize using a combination of dedicated hardware and computer instructions.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point, can also be modules individualism, can also two or more modules be integrated to form an independent part.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
In conclusion the embodiment of the present invention provides a kind of city integrated piping lane cable cabin fire disaster simulation method and device,
City integrated piping lane cable cabin fire disaster simulation method and device is by waiting for that the structural parameters of analog synthesis piping lane create pipe
Corridor model adds the cable mould for simulating cable burning further according to the structural parameters of cable to be simulated in the piping lane model
Type, and add burning things which may cause a fire disaster for causing the cable mock up ignition, the then Thermal Parameter to the piping lane model, the cable
The property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster is configured in line model, is finally based on the piping lane mould
The property of fire source of the Thermal Parameter of type, the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster carries out fire disaster simulation, obtains comprehensive
It closes in piping lane with fire numerical value and fire such as air themperature, smokescope, the concentration of toxic gases of the variation of cable burning time
Simulated scenario provides theoretical foundation for fire-fighting and rescue, to considerably reduce the danger of fire rescue.
Embodiment described above, only specific implementation mode of the invention, to illustrate technical scheme of the present invention, rather than
It is limited, scope of protection of the present invention is not limited thereto, although having been carried out with reference to the foregoing embodiments to the present invention detailed
Illustrate, it will be understood by those of ordinary skill in the art that：Any one skilled in the art the invention discloses
In technical scope, it can still modify to the technical solution recorded in previous embodiment or variation can be readily occurred in, or
Person's equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make corresponding technical solution
Essence is detached from the spirit and scope of technical solution of the embodiment of the present invention, should be covered by the protection scope of the present invention.Therefore,
Protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of city integrated piping lane cable cabin fire disaster simulation method, which is characterized in that the method includes：
According to the structural parameters establishment piping lane model for waiting for analog synthesis piping lane；
Cable model is added in the piping lane model according to the structural parameters of cable to be simulated, and is added and caused the cable mould
The burning things which may cause a fire disaster of type burning；
Configure the combustion characteristics of cable protection layer in the Thermal Parameter of the piping lane model, cable model and the burning things which may cause a fire disaster
Property of fire source；
The combustion characteristics of Thermal Parameter, cable protection layer based on the piping lane model and the property of fire source of the burning things which may cause a fire disaster into
Row fire disaster simulation, to obtain the fire numerical value changed with cable burning time in the pipe gallery and fire disaster simulation scene.
2. the method as described in claim 1, which is characterized in that the structural parameters for waiting for analog synthesis piping lane and cable to be simulated
The structural parameters of line include shape and size, and the method further includes：
Establish simultaneously grid division；
According to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and according to cable to be simulated
The shape and size of line create the cable model in the grid.
3. method as claimed in claim 1 or 2, which is characterized in that before carrying out fire disaster simulation to the cable model, institute
The method of stating further includes：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes in pipe gallery
Initial temperature, wind speed and draft type.
4. method as claimed in claim 3, which is characterized in that the structural parameters of the basis cable to be simulated are in the piping lane
Cable model is added in model, and the step of addition causes the burning things which may cause a fire disaster of the cable mock up ignition includes：
Cable to be simulated is obtained relative to the first position parameter of pipe gallery and the burning things which may cause a fire disaster relative to cable to be simulated
Second position parameter；
Cable model and burning things which may cause a fire disaster are added respectively in the piping lane model according to the first position parameter and second position parameter.
5. method as claimed in claim 4, which is characterized in that in Thermal Parameter, the cable of the configuration piping lane model
Further include before the property of fire source of the combustion characteristics of cable protection layer and the burning things which may cause a fire disaster in line model：
The combustion characteristics of cable protection layer and described is waited in the Thermal Parameter of analog synthesis piping lane, cable model described in acquisition
The property of fire source of burning things which may cause a fire disaster；Wherein,
The Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, thermal transpiration system
Number and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate, burning things which may cause a fire disaster
Attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
6. a kind of city integrated piping lane cable cabin fire disaster simulation device, which is characterized in that described device includes：
Creation module waits for that the structural parameters of analog synthesis piping lane create piping lane model for basis, and according to cable to be simulated
Structural parameters add cable model in the piping lane model, and add the burning things which may cause a fire disaster for causing the cable mock up ignition；
Configuration module, the combustion characteristics for configuring cable protection layer in the Thermal Parameter of the piping lane model, cable model
And the property of fire source of the burning things which may cause a fire disaster；
Analog module, the combustion characteristics for Thermal Parameter, cable protection layer based on the piping lane model and the fire
The property of fire source in source carries out fire disaster simulation, to obtain the fire numerical value and fire that change with cable burning time in the pipe gallery
Calamity simulated scenario.
7. device as claimed in claim 6, which is characterized in that the structural parameters for waiting for analog synthesis piping lane and wait simulating
The structural parameters of cable include shape and size, and the creation module is specifically used for：
Establish simultaneously grid division；
According to waiting for that the shape and size of analog synthesis piping lane create the piping lane model in the grid, and according to cable to be simulated
The shape and size of line create the cable model in the grid.
8. device as claimed in claims 6 or 7, which is characterized in that the configuration module is additionally operable to：
Configure environmental parameter of the cable model before simulated fire；Wherein, the environmental parameter includes in pipe gallery
Initial temperature, wind speed and draft type.
9. device as claimed in claim 8, which is characterized in that described device further includes：
Acquisition module, for obtain cable to be simulated relative to pipe gallery first position parameter and the burning things which may cause a fire disaster relative to
The second position parameter of cable to be simulated；
The creation module is specifically used for being divided in the piping lane model according to the first position parameter and second position parameter
It Tian Jia not cable model and burning things which may cause a fire disaster.
10. device as claimed in claim 9, which is characterized in that the acquisition module is additionally operable to wait for analog synthesis described in acquisition
The combustion characteristics of cable protection layer and the property of fire source of the burning things which may cause a fire disaster in the Thermal Parameter of piping lane, cable model；Wherein,
The Thermal Parameter includes thermal coefficient, specific heat capacity and density, and the combustion characteristics includes ignition temperature, thermal transpiration system
Number and pyrolysis parameters of rock, the property of fire source include the type of burning things which may cause a fire disaster, heat release rate, thermal boundary condition, mass loss rate, burning things which may cause a fire disaster
Attenuation coefficient and burning things which may cause a fire disaster reach the time used in maximum rate of heat release.
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| CN201810508520.1A CN108681649A (en) | 2018-05-24 | 2018-05-24 | City integrated piping lane cable cabin fire disaster simulation method and device |
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| CN110110443A (en) * | 2019-05-08 | 2019-08-09 | 哈尔滨理工大学 | It is a kind of for quickly examining the emulation mode of the flat combustion characteristics of single cable water |
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