CN207742134U - A kind of electric shaft fire behavior test platform - Google Patents
A kind of electric shaft fire behavior test platform Download PDFInfo
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- CN207742134U CN207742134U CN201820097334.9U CN201820097334U CN207742134U CN 207742134 U CN207742134 U CN 207742134U CN 201820097334 U CN201820097334 U CN 201820097334U CN 207742134 U CN207742134 U CN 207742134U
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- vertical shaft
- electric power
- test platform
- behavior test
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 239000000779 smoke Substances 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000010191 image analysis Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 239000000523 sample Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of electric shaft fire behavior test platforms, including vertical shaft, the vertical shaft is column structure, is vertically provided with closed forceful electric power bridge joint and light current crane span structure in vertical shaft respectively, forceful electric power cable and weak-current cable are respectively arranged in forceful electric power crane span structure and light current crane span structure；Silo bottom is provided with the heat source to forceful electric power cable and/or weak-current cable heating；Temperature sensor and smoke detector are provided at different height in vertical shaft.A kind of the advantages of electric shaft fire behavior test platform provided by the utility model, is：Fire spread process is restored by multiple angles such as temperature, gas componant and concentration and image analyses, and it can be used in evaluating the factors such as cable type, fire barrier type and set-up mode, cable testing bridge type and strong and weak cable laying spacing respectively, to obtain the electric shaft fire control plan of more science by experiment, have a good application prospect.
Description
Technical field
The utility model is related to electric shaft technical field more particularly to a kind of electric shaft fire behavior test platforms.
Background technology
Electric shaft wiring is the main system of laying that vertical distributiong main uses in multilayer and high-rise, practical work
Cheng Zhong, often power circuit and non-electricity circuit coexist in same electric shaft, power line cables mesohigh, low pressure and emergent
The often centralized arrangement such as electric wiring cable of power supply, and throughout the year in operation febrile state, improper ventilation, contact aging etc. are all
It is likely to cause fire incident.Electric shaft occurs easily to generate stack effect when fire, and fire spread is rapid, and its generation
A large amount of high temperature toxic smogs seriously affect safety evacuation, and fire attack difficulty is larger, once fire, which occurs, will cause seriously
Consequence.
In recent years, electric shaft fire happens occasionally.Electric system is to electric shaft fire prevention pay attention to day by day, from security standpoint
The electric shaft improvement project set out increases year by year.But existing national standards (GB 50054-2011, GB 50016-2014,
GB 50217-2007), national sector standard (JGJ16-2008) and standard collective drawings (06D105,08D800-6) pairing electricity consumption
High pressure, low pressure in gas vertical shaft and emergency power supply electric wiring, and power supply and non-powered circuit, only propose and isolation are taken to arrange
The basic demand applied.In Practical Project, and there is no ripe fire separation schemes.Foreign countries there is also some relevant criterions,
Such as NFPA70-2014《National Electrical specification》In only to the electric shaft under different application site conditions, it is proposed that macroscopic view
Fire protection requirement (electric wiring in shaft structure should not be significantly increased fire or combustion product sprawling possibility, fire prevention point
Barrier material should be with building element flame retardancy grade having the same), but the horizontal fire separation of pairing electric shaft is not made
It is required that.
To sum up, both at home and abroad share the high pressure in electric shaft, low pressure and emergency power supply electric wiring and power supply with it is non-
The fire prevention point of supply line, fire separation material thermal characteristics and selecting method, fire separation measure of merit technology and strong and weak separation
Every scheme etc., there is no effective solution method.Therefore, carry out the assessment of electric shaft fire hazard, and to electric shaft
Fire barrier set-up mode, the strong and weak specific system of laying of cable assess most important.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of can be to the fire spread mistake in electric shaft
The electric shaft fire behavior test platform of Cheng Jinhang analyses.
The utility model is to solve above-mentioned technical problem by the following technical programs：
A kind of electric shaft fire behavior test platform, including vertical shaft, the vertical shaft are column structure, edge respectively in vertical shaft
Vertical direction is provided with closed forceful electric power bridge joint and light current crane span structure, and forceful electric power cable is respectively arranged in forceful electric power crane span structure and light current crane span structure
And weak-current cable；Silo bottom is provided with the heat source to forceful electric power cable and/or weak-current cable heating；In vertical shaft at different height
It is provided with temperature sensor and smoke detector.
Preferably, the vertical shaft is cube structure, and vertical shaft front is provided with the transparent observing door for capableing of activity opening, sees
It examines side in front of the door and is provided with the video acquisition device that image range covers entire vertical shaft.
Preferably, forceful electric power crane span structure is detachably secured on the side wall of vertical shaft side, between the forceful electric power cable of different function
It is separated by fire barrier, on the side wall where forceful electric power crane span structure, is vertically evenly arranged with multiple smoke detectors..
Preferably, in vertical shaft further include a movable wall, the activity wall is parallel with shaft wall and can change
Position in vertical shaft, light current crane span structure are detachably secured to movable wall close to the side of forceful electric power crane span structure.
Preferably, vertical shaft upper and lower surface and back are evenly arranged with multiple grooves, and the activity wall is inserted with groove cooperation
It connects and is fixed in vertical shaft.
Preferably, it is both provided between two adjacent grooves of shaft top and between groove and adjacent side wall and side
The parallel smoke outlet of wall.
Preferably, shaft top be respectively provided with by each smoke outlet there are one PIV smoke particle speed pop one's head in.
Preferably, movable wall and being provided on the side wall of forceful electric power crane span structure uniformly divides at least provided with a row along short transverse
The wall temperature sensor of cloth.
Preferably, it is both provided at least between two adjacent grooves of shaft top and between groove and adjacent side wall
One fire extinguishing sprayer.
Preferably, it is both provided at least between two grooves adjacent inside vertical shaft and between groove and adjacent side wall
The gas temperature sensor that one row are uniformly arranged along short transverse.
A kind of the advantages of electric shaft fire behavior test platform provided by the utility model, is：Pass through temperature, gas
The multiple angles such as ingredient and concentration and image analysis restore fire spread process, and can be used in cable type, anti-fire screen
The factors such as plate type and set-up mode, cable testing bridge type and strong and weak cable laying spacing are evaluated respectively, to pass through
Experiment obtains the electric shaft fire control plan of more science, has a good application prospect.
Description of the drawings
Fig. 1 is a kind of schematic diagram for electric shaft fire behavior test platform that the embodiments of the present invention are provided；
Fig. 2 is a kind of front view for electric shaft fire behavior test platform that the embodiments of the present invention provide；
Fig. 3 is the sectional view that Fig. 2 indicates direction along A；
Fig. 4 is the sectional view that Fig. 2 indicates direction along B；
Fig. 5 is the enlarged drawing that Fig. 4 is the regions C.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of electric shaft fire behavior test platform, including vertical shaft 1, electric shaft is big during reality is built
All it is the cube structure built along construction wall, vertical shaft 1 provided in this embodiment is using electrical with the single layer in traditional architecture
Vertical shaft 1 can also be designed as other classes by the essentially identical cube structure of vertical shaft, those of ordinary skill in the art as needed
Like structure, and adaptation modification thus is made to other concrete structures.With direction shown in FIG. 1,1 front of vertical shaft is provided with being capable of activity
The transparent observing door (not shown) of opening, to adjust the topology layout inside vertical shaft 1 and to replace component；Side is set in front of the door for observation
1 positive video acquisition device (not shown) of entire vertical shaft can be covered by being equipped with image range, and the video acquisition device is preferred
For video camera.
Vertical shaft 1 is internally provided with the forceful electric power crane span structure 2 being vertically arranged and light current crane span structure 3, in forceful electric power crane span structure 2 and light current crane span structure 3
It is respectively arranged with forceful electric power cable 21 and weak-current cable 31,1 bottom of vertical shaft is provided with to be connect with forceful electric power cable 21 and/or weak-current cable 31
Tactile heat source (not shown), place is provided with multiple temperature sensors (41,42) and smoke detector at various height in vertical shaft 1
5.In preferred embodiment, the heat source makes forceful electric power cable 21 or weak-current cable using radiation of power heating device is determined, by radiation
31 burnings, then according to the numerical value of various kinds of sensors and the image of video acquisition device, determine fire spreading process, to perpendicular
Fire tendency inside well has sufficient understanding.
In order to ensure that the oxygen current supply cable burning for having sufficient inside vertical shaft 1,1 top of vertical shaft offer at least one smoke outlet
14, it is in preferred embodiment that forceful electric power bridge formation 2 is removably solid in order to which the specific system of laying between strong and weak cable is evaluated
Due on the side wall of 1 side of vertical shaft, i.e. fixed sidewall 11 is additionally provided with a movable wall 12, the activity wall inside vertical shaft 1
12 is parallel with fixed sidewall 11, and can change the position in vertical shaft 1, and movable wall 12 is with vertical shaft 1 using identical non-ignitable
Material is made, and movable wall 12 is identical as the specification of fixed sidewall 11.Light current crane span structure 3 is detachably secured to movable wall 12
Close to the side of forceful electric power crane span structure 2, to constitute an independent vertical shaft model, heat between movable wall 12 and fixed sidewall 11
Source is fixedly installed on 21 side of forceful electric power cable.The upper and lower surface and rear surface of vertical shaft 1 are provided with multiple and movable wall 12 and are clamped
The groove 13 of cooperation, movable wall 12 are plugged in groove 13 completely to separate vertical shaft 1.Fixed sidewall 11 and with its phase
At least provided with a smoke outlet 14 between adjacent groove 13, so as to movable wall 12 and near the groove 13 of fixed sidewall 11
When cooperation, the space where strong and weak electricity crane span structure can carry out air exchange with the external world.
Multiple smoke detectors 5 are vertically provided on fixed sidewall 11, smoke detector 5 being capable of collecting shaft 1
Interior gas, there are one fume component analysis device (not shown) for the correspondence of each smoke detector 5, can record the position in real time
The gas componant variation measured and the automatic alarm when detecting the fire characteristics gas content such as carbon monoxide and reaching certain value.
When carrying out fire protecting performance evaluation to different cable materials or technique, can by the heat source of same power to forceful electric power cable 21 into
Row heating, different fireproofing of cable performances are tentatively judged according to the difference of 5 time of fire alarming of smoke detector.
The wall temperature sensor 41 that multiple row is vertically uniformly arranged is provided on the fixed sidewall；In addition,
At least one row are both provided between two grooves 13 and between groove 13 and adjacent two side walls uniformly to set along short transverse
The gas temperature sensor 42 set, the gas temperature sensor 42 on same vertical direction are fixed on a holder being vertically arranged
Can be supplied on 421, and inside holder 421 temperature sensor 42 wiring to avoid by circuit by influence of fire.So as to
Temperature change at 12 different location of 1 inside of record vertical shaft and fixed sidewall 11 and movable wall in real time.In preferred embodiment,
The wall temperature sensor 41 is the platinum filament thermocouple probe of 0.01-0.5mm, and gas temperature sensor 42 is the platinum of 1-2mm
Silk thermocouple probe.
1 top of vertical shaft is additionally provided with PIV smoke particle speed probe 6, the PIV smoke particles speed probe by smoke outlet 14
6 are set to smoke outlet 14 close to the side of fixed sidewall 11, the smoke particle rate of propagation being able to record inside vertical shaft 1.In order to anti-
Only the intensity of a fire is out of control, and fire extinguishing system (not shown) is additionally provided in vertical shaft 1, and the fire extinguishing system includes being set to 1 top of vertical shaft
It goes out at least provided with one in the space that fire extinguishing sprayer 7, each groove 13 and groove 13 are separated with 1 both sides partition board of vertical shaft
Fire-fighting head 7.
When using electric shaft fire behavior test platform provided by the utility model, cable class can be adjusted separately
The factors such as the distance between type, cable testing bridge type, movable wall type, forceful electric power cable 21 and weak-current cable 31 test fire respectively
Calamity variation tendency, to select the electric shaft plan of establishment of optimization.It should be used according to professional standard, between different cables anti-
Fire screen plate 8 separates, and the utility model can be used for the parameters such as type, the specific set-up mode of evaluation fire barrier.
When making a concrete analysis of vertical shaft endogenous fire calamity situation of change, heating forceful electric power cable 21 by heat source makes it catch fire, and records
It is energized to the time that smoke detector 5 first is alarmed from heat source, while recording fire process wall temperature sensor 41, gas
The numerical value of temperature sensor 42, smoke detector 5 and PIV smoke particle speed probe, and obtain the intensity of a fire in conjunction with video acquisition device
The image of sprawling process to analyzing fire spread characteristic, and assists determining the specific plan of establishment of vertical shaft with this.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, under the premise of not departing from the spirit and principles of the utility model, those of ordinary skill in the art are to the utility model
Any modification, equivalent substitution, improvement and etc. done, should all fall into the utility model claims book determination protection domain it
It is interior.
Claims (10)
1. a kind of electric shaft fire behavior test platform, it is characterised in that：Including vertical shaft, the vertical shaft is column structure, is erected
Closed forceful electric power bridge joint and light current crane span structure are vertically provided in well respectively, is respectively set in forceful electric power crane span structure and light current crane span structure
There are forceful electric power cable and weak-current cable；Silo bottom is provided with the heat source to forceful electric power cable and/or weak-current cable heating；In vertical shaft
Temperature sensor and smoke detector are provided at different height.
2. a kind of electric shaft fire behavior test platform according to claim 1, it is characterised in that：The vertical shaft is vertical
Cube structure, vertical shaft front are provided with the transparent observing door for capableing of activity opening, and side is provided with image range covering in front of the door for observation
The video acquisition device of entire vertical shaft.
3. a kind of electric shaft fire behavior test platform according to claim 2, it is characterised in that：Forceful electric power crane span structure is removable
That unloads is fixed on the side wall of vertical shaft side, is separated by fire barrier between the forceful electric power cable of different function；Forceful electric power crane span structure institute
Side wall on, be vertically evenly arranged with multiple smoke detectors.
4. a kind of electric shaft fire behavior test platform according to claim 3, it is characterised in that：Further include in vertical shaft
One movable wall, the activity wall is parallel with shaft wall and can change the position in vertical shaft, and light current crane span structure is detachable
Be fixed on movable wall close to the side of forceful electric power crane span structure.
5. a kind of electric shaft fire behavior test platform according to claim 4, it is characterised in that：Vertical shaft upper and lower surface
And it is evenly arranged with multiple grooves below, the activity wall coordinates plugged and fixed in vertical shaft with groove.
6. a kind of electric shaft fire behavior test platform according to claim 5, it is characterised in that：Shaft top is adjacent
Two grooves between and groove and adjacent side wall between be both provided with the smoke outlet parallel with side wall.
7. a kind of electric shaft fire behavior test platform according to claim 6, it is characterised in that：Shaft top is every
PIV smoke particle speed is popped one's head in there are one being respectively provided with by a smoke outlet.
8. a kind of electric shaft fire behavior test platform according to claim 4, it is characterised in that：It movable wall and sets
It is equipped on the side wall of forceful electric power crane span structure at least provided with a row along the equally distributed wall temperature sensor of short transverse.
9. a kind of electric shaft fire behavior test platform according to claim 6, it is characterised in that：Shaft top is adjacent
Two grooves between and groove and adjacent side wall between be both provided at least one fire extinguishing sprayer.
10. a kind of electric shaft fire behavior test platform according to claim 6, it is characterised in that：Phase inside vertical shaft
It is both provided with what at least one row were uniformly arranged along short transverse between two adjacent grooves and between groove and adjacent side wall
Gas temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097334.9U CN207742134U (en) | 2018-01-19 | 2018-01-19 | A kind of electric shaft fire behavior test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820097334.9U CN207742134U (en) | 2018-01-19 | 2018-01-19 | A kind of electric shaft fire behavior test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742134U true CN207742134U (en) | 2018-08-17 |
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ID=63122022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820097334.9U Active CN207742134U (en) | 2018-01-19 | 2018-01-19 | A kind of electric shaft fire behavior test platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN207742134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072679A (en) * | 2018-01-19 | 2018-05-25 | 国网安徽省电力有限公司电力科学研究院 | A kind of electric shaft fire behavior test platform |
| CN114784724A (en) * | 2022-05-07 | 2022-07-22 | 江苏宇讯线缆有限公司 | Bridge for cable installation |
-
2018
- 2018-01-19 CN CN201820097334.9U patent/CN207742134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072679A (en) * | 2018-01-19 | 2018-05-25 | 国网安徽省电力有限公司电力科学研究院 | A kind of electric shaft fire behavior test platform |
| CN114784724A (en) * | 2022-05-07 | 2022-07-22 | 江苏宇讯线缆有限公司 | Bridge for cable installation |
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