CN105547726B - Portable stored-pressure type dry powder extinguisher extinguishing property detection method and its implementation - Google Patents
Portable stored-pressure type dry powder extinguisher extinguishing property detection method and its implementation Download PDFInfo
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- CN105547726B CN105547726B CN201511015575.1A CN201511015575A CN105547726B CN 105547726 B CN105547726 B CN 105547726B CN 201511015575 A CN201511015575 A CN 201511015575A CN 105547726 B CN105547726 B CN 105547726B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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Abstract
The present invention relates to a kind of portable stored-pressure type dry powder extinguisher extinguishing property detection method and its implementation, the data of the measuring method collection of the present invention only need the remaining dry powder quality of fire extinguisher and the relation of time, the Data Collection of fire extinguisher can be carried out in laboratory environments, there is no an artificial disturbance, and eliminate in outdoor because the change of environment is to the influence caused by experiment and pollution-free；Other articles of consumption are avoided without actual setting burning things which may cause a fire disaster simultaneously, experiment every time only need to consume fire extinguisher to be detected, and experimentation cost is low, danger will not be produced to experimenter, while also improving detection efficiency；Implementation includes weighing unit, main body frame, lower fixing device, fixing device, fixing card and pressure handle cylinder, implementation is provided with fixing device, influence of the injection stream reaction force to firing-fighting medium quality record when overcoming fire extinguishing device jet, realize during fire extinguishing device jet, the quality and injecting time to firing-fighting medium are recorded in real time.
Description
Technical field
The present invention relates to a kind of portable stored-pressure type dry powder extinguisher extinguishing property detection method and its implementation.
Background technology
Portable stored-pressure type dry powder extinguisher is as most widely used fire-fighting equipment, and the inspection of its extinguishing property is weighing apparatus
The core technology index of volume production quality.According to GB4351.1-2005《Hand fire extinguisher》Standard regulation, pass through actual
A classes fire fire-extinguishing test（The grillage burning fire piled to batten is put out a fire）, the fiery fire-extinguishing test of B classes（To motor petrol in food tray
Burning fire put out a fire）Examine the extinguishing property of fire extinguisher.My state when being tested due to each reviewer is different, warp
Difference is tested, the accidentalia of experiment itself is added, therefore, fire-extinguishing test has larger subjective characteristic, is existed more not true
It is qualitative.Therefore, standard is provided, carry out 3 times, wherein 2 times are put out a fire successfully, then reached for the fire extinguisher defined per class fire-extinguishing test
Extinguishing grade.Generally approve on the basis of medicament is qualified in the industry, the jet performance of fire extinguisher and the fire-fighting technique of testing crew
Success or not for extinguishing property respectively accounts for 50% composition.And fire-extinguishing test cost is high, pollution is big, dangerous high.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of simple to operate, portable stored-pressure type of no interference from human factor
Dry powder extinguisher extinguishing property detection method and its implementation.
The technical solution adopted in the present invention is：A kind of portable stored-pressure type dry powder extinguisher extinguishing property detection method, its
Step is as follows：
1. effectively fire extinguishing figure-of-merit curve is drawn, the X-axis of effective fire extinguishing figure-of-merit curve is the time, and unit is the second, and Y-axis is
Dry powder residual mass, unit for kilogram；The qualified region of effectively fire extinguishing figure-of-merit curve is made up of process area A and land B,
Process area is enclosed in the first quartile of coordinate system by two straight lines of y=4-0.44x and y=4-0.25x and formed, land by x=
9th, tri- straight lines in y=0.67 and y=4-0.25x are enclosed in the first quartile of coordinate system and formed；
2. portable stored-pressure type dry powder extinguisher to be detected is placed on data acquisition device and measured；
3. 2. recording step measures dry powder jet quality and the relation of injecting time and forming curves；
4. the coordinate 3. step formed is compared with the qualified region that 1. step defines, if step 3. in curve mistake
Journey falls to fall in the process area A and terminal of effectively fire extinguishing figure-of-merit curve
The extinguishing property of the fire extinguisher is qualified, if terminal is not in region at the end of actual measurement injection curve deflects away from process area A and/or injection
It is as unqualified in the range of B.
Present invention additionally comprises following steps：Using jet length image system, record dry powder jet length and injecting time
Relation, by step 3. in the relation of the dry powder jet quality that measures and injecting time determine that jet quality is half when when
Between point, so that it is determined that the jet length at the time point, if jet length now is more than or equal to 3.5 meters, the fire extinguisher is qualified,
The fire extinguisher is unqualified if less than 3.5 meters.
A kind of implementation of portable stored-pressure type dry powder extinguisher extinguishing property detection method, it includes weighing unit, setting
Main body frame on weighing unit, the lower fixing device being arranged on the side wall of main body frame, it is correspondingly arranged at lower fixing device
The fixing device of top, for fixed fire extinguishing nozzle fixing card and the pressure handle cylinder that is arranged on above fixing device.
Fixing device of the present invention includes outer plate, clip plate, connecting rod, fixed cylinder and connecting plate；The internal pressure
Plate is fixedly installed on the inner side of side wall, and the outer plate is corresponding with internal pressure Board position and can mutually fasten, described in two
The both sides other end that connecting rod one end is arranged on outer plate buckling surface is fixedly connected with connecting plate, and the fixed cylinder is arranged on side wall
Outside, cylinder rod is fixedly connected with connecting plate, and pilot hole corresponding with connecting rod is provided with the buckling surface of clip plate.
The present invention is provided with corresponding V-groove in the buckling surface of the outer plate and clip plate.
The present invention is additionally provided with collet below lower fixing device, and the collet includes bracket and is connected with bracket
Standing screw, is provided with the bar hole slided for standing screw, the bracket and standing screw are set respectively on the side wall
Put in the both sides of side wall.
The positive effect of the present invention is：The data of the measuring method collection of the present invention only need the remaining dry powder quality of fire extinguisher
With the relation of time, the Data Collection of fire extinguisher can be carried out in laboratory environments, without artificial disturbance, and is eliminated in room
The change of external cause environment is to the influence that causes of experiment and pollution-free；Avoid consuming other things without actual setting burning things which may cause a fire disaster simultaneously
Product, every time experiment only need to consume fire extinguisher to be detected, and experimentation cost is low, danger will not be produced to experimenter, while also improving
Detection efficiency.Implementation is provided with fixing device, and injection stream reaction force is to firing-fighting medium when overcoming fire extinguishing device jet
The influence of quality record, is realized during fire extinguishing device jet, and the quality and injecting time to firing-fighting medium are remembered in real time
Record；Fire-extinguisher cock is controlled using cylinder, arbitrarily fire extinguisher can be carried out to open/shutoff operation, manual dexterity, error is small；Adopt
Form is counted weight with real-time, and the output equipments such as data processing, analysis and printing, display can be installed additional as needed, is accomplished to spray
Penetrate the completely recorded of process and reproduction is checked, and ensure the accurate, reliable of measurement data；The present apparatus can be moved easily, and be electricity
Mode of operation is controlled, human users can isolate progress with fire extinguishing device jet, realize the fire extinguishing device jet operation side of safety non-pollution
Formula.
Brief description of the drawings
Fig. 1 is effective fire extinguishing figure-of-merit curve schematic diagram of the invention；
Fig. 2 is implementation structural representation of the present invention；
Fig. 3 is the structural representation of the fixing device of implementation of the present invention；
Fig. 4 is the collet configuration schematic diagram of implementation of the present invention；
Fig. 5 is the firing-fighting medium jet quality curve synoptic diagram of the embodiment of the present invention 1.
In the accompanying drawings, A- process areas, B- lands, C- firing-fighting medium jet qualities curve, 1- supports, 2- weigh
Platform, 3- collets, 301- brackets, 302- standing screws, 5- pressure handles cylinder, 6- fixing devices, 601- outer plates, 602- clip plates,
603- connecting rods, 604- fix cylinder, 605-V shapes groove, 606- connecting plates, 7- fixing cards, 8- fire extinguishers, 9- pressure mouthes, 10- body frames
Fixing device under frame, 11- sides wall, 12- bar holes, 13-.
Embodiment
What it is due to dry powder extinguisher injection is unstable dry-powder air-current in short-term, and therefore, directly dry powder flow is ground
Study carefully, with very big technical difficulty.In view of effective discharge time is fire extinguisher important parameter as defined in standard, and in course of injection
The quality of extinguishing chemical is a dynamic parameter that can be measured, therefore the gross mass that can spray fire extinguisher is examined with injecting time relation
Survey fire extinguisher performance.
A kind of portable stored-pressure type dry powder extinguisher extinguishing property detection method, its step is as follows：
1. effectively fire extinguishing figure-of-merit curve is drawn, as shown in Figure 1, the X-axis of effective fire extinguishing figure-of-merit curve is the time, single
Position be the second, Y-axis be dry powder residual mass, unit for kilogram；Effectively the qualified region of fire extinguishing figure-of-merit curve is by process area A and end
Point region B compositions, process area enclosed by two straight lines of y=4-0.44x+ and y=4-0.25x in the first quartile of coordinate system and
Into land is enclosed in the first quartile of coordinate system and formed by x=9, tri- straight lines in y=0.67 and y=4-0.25x；
2. portable stored-pressure type dry powder extinguisher to be detected is placed on data acquisition device and measured；
3. the dry powder jet quality and the relation of injecting time and forming curves 2. measured using computer recording step；
4. the coordinate 3. step formed is compared with the qualified region that 1. step defines, if step 3. in curve mistake
Journey falls to fall in the process area A and terminal of effectively fire extinguishing figure-of-merit curve
The extinguishing property of the fire extinguisher is qualified, if the scope for deflecting away from process area A and/or land B is as unqualified.
Curve in this method is matched curve, it is adaptable to the detection of MFZ/ABC4 fire extinguisher B classes extinguishing property, fire extinguisher
Extinguishing chemical can put out a fire dry powder injection the shortest time be 9 seconds i.e. x=9, corresponding dry powder emitted dose be 4 kilograms, be converted into seat
It is designated as（9,0）, with initial dry powder quality coordinate（0,4）It is linked to be straight line, its equation is y=4-0.44x；Most long injecting time is
16 seconds, corresponding dry powder emitted dose was 4 kilograms, and being converted into coordinate is（16,0）, with initial dry powder quality coordinate（0,4）It is linked to be straight
Line, its equation is y=4-0.25x；Other injecting times effectively put out a fire simultaneously are it is also contemplated that the dry powder under the influence of surplus ratio is exhausted
3.33 kilograms should be not less than to emitted dose, correspondence had both been y=0.67 in a coordinate system, the most short effective discharge time of fire extinguisher is 9
Second, it is x=9 in corresponding coordinate system.It is MFZ/ABC4 fire extinguishers according to the region of above-mentioned rectilinear(-al)（ABC dry-chemical fire extinguishings
The content of agent active ingredient is 47%-50%）B classes of successfully going out fire dry powder jet quality curve, i.e.,
The dry powder injection of MFZ/ABC fire extinguisher B class extinguishing properties effectively fire extinguishing figure-of-merit curve.
Effectively fire extinguishing figure-of-merit curve is meant that：Content for ABC powder extinguishing agent active ingredient reaches 47%-50%
MFZ/ABC4 fire extinguishers, the relation curve of its dry powder jet quality and injecting time, should along along figure process area A to terminal area
Domain B extends, if injection is completed, and curve end can reach home region B, then shows the standby B classes of successfully going out of the fire extinguishing appliance
The jet performance of fire, the i.e. fire extinguishing appliance are for the fiery extinguishing property of B classes.
The present invention examines the extinguishing property of fire extinguisher using definition effectively fire extinguishing figure-of-merit curve, by the way that firing-fighting medium is sprayed
Penetrate curve to be contrasted with effectively fire extinguishing figure-of-merit curve, determine whether the fire extinguisher possesses corresponding extinguishing property, eliminate people
For the influence of factor and environmental condition, high energy consumption, the fire-extinguishing test that pollution is big, danger is strong are instead of, with objective, safety, ring
Guarantor, science, efficient mode examine the extinguishing property of fire extinguisher.The measuring method of the present invention can be gone out in laboratory environments
The Data Collection of firearm, without artificial disturbance, and eliminate outdoor because environment change to experiment caused by influence and
It is pollution-free.Experiment only need to consume fire extinguisher to be detected every time, avoid consuming other articles without manufacturing burning things which may cause a fire disaster, experimentation cost is low
To, experimenter will not be produced it is dangerous, while also improving detection efficiency.
Present invention additionally comprises following steps：Using jet length image system, record dry powder jet length and injecting time
Relation, by step 3. in the relation of the dry powder jet quality that measures and injecting time determine that jet quality is half when when
Between point, so that it is determined that the jet length at the time point, according to GB4351.1-2005《Hand fire extinguisher》Standard regulation, if
Jet length now is more than or equal to 3.5 meters, then the fire extinguisher is qualified, and the fire extinguisher is unqualified if less than 3.5 meters.Jet length
From image system using video camera, graduated scale and timer be can be achieved required function, determine actual ejection quality be half when
Time point, and then compare and determine jet length at that time, it is qualified that reference standard determines whether, is truly realized fully according to mark
Alignment request, which is examined, judges whether fire extinguishing device jet mechanism is qualified.
A kind of implementation of portable stored-pressure type dry powder extinguisher extinguishing property detection method as shown in Figure 2-4, its
Including weighing unit 2, the main body frame being arranged on weighing unit 2 10, the lower fixed dress being arranged on the side wall 11 of main body frame 10
Put 13, be correspondingly arranged at the lower top of fixing device 13 fixing device 6, for fixed fire extinguishing 8 nozzle fixing card 7 and
It is arranged on the pressure handle cylinder 5 above fixing device.The fixing device 6 is corresponding with the lower upper-lower position of fixing device 13, it is ensured that
The body of fire extinguisher 8 is in vertical state after fixation, and the fixing device 6 is identical with the lower structure of fixing device 13.
The fixing device 6 includes outer plate 601, clip plate 602, connecting rod 603, fixed cylinder 604 and connecting plate
606；The clip plate 602 is fixedly installed on the inner side of side wall 11, and the outer plate 601 and the position of clip plate 602 are corresponding simultaneously
And can mutually fasten, two described one end of connecting rod 603 are arranged on the both sides other end and connecting plate of the buckling surface of outer plate 601
606 are fixedly connected, and the fixed cylinder 604 is arranged on the outside of side wall 11, and cylinder rod is fixedly connected with connecting plate 606, clip plate
It is provided with 602 buckling surface and the corresponding pilot hole of connecting rod 603.Using fixed cylinder 604 to clip plate 602 and outer plate
601 are fixed, reliable and stable.
Corresponding V-groove 605 is provided with the buckling surface of the outer plate 601 and clip plate 602, be can apply to not
With the fire extinguisher of diameter.
Collet 3 is additionally provided with below lower fixing device, the collet 3 includes bracket 301 and is connected with bracket 301
Standing screw 302, be provided with the side wall 11 for standing screw 11 slide bar hole 12, the He of bracket 301
Standing screw 302 is separately positioned on the both sides of side wall 11, the height adjustable of collet 3, to adapt to the fire extinguisher of different length.
Implementation of the present invention is when in use first according to the specification of reservoir pressure fire extinguisher 4, regulation fixing device 6, lower fixation
Device 13 and collet 3, fix fire extinguisher 8, nozzle direction adjustment be maintained at the state of horizontal-jet forwards and with fixation
Card 7 is fixed, on the pressure handle 9 that pressure handle cylinder 5 is arranged on to fire extinguisher, opens weighing unit 2, and starting pressure handle cylinder 5 drives fire extinguisher
Begin to spray, record the quality and injecting time of fire extinguishing device jet cut-off in real time by testboard, and be transferred in computer, pass through
Software on Drawing goes out actual firing-fighting medium jet quality curve, by the way that firing-fighting medium jet quality curve is effectively gone out with firing-fighting medium
Fiery figure-of-merit curve is contrasted, and determines whether the fire extinguisher possesses corresponding extinguishing property.
In implementation of the present invention, spray related whole components to fire extinguisher 8 and title is fixed on by main body frame 10
On weight platform 2, so that during realizing fire extinguishing device jet, quality and duration to ejecting extinguishing medium are recorded in real time, are passed through
Firing-fighting medium jet quality curve is subjected to accordance contrast with effectively fire extinguishing injection figure-of-merit curve, determines whether the fire extinguisher has
Standby corresponding extinguishing property.
Embodiment 1：The fire extinguishing measured when being and being detected using this method to one bottle of MFZ/ABC4 fire extinguisher as shown in Figure 5
Medium injection figure-of-merit curve, the initial mass of the fire extinguisher is 4 kilograms, and correspondence is in coordinate system（0,4）, the fire extinguisher is put
Put in the implementation of the application, regulation collet 3 arrives correct position, and fire extinguisher 8 is placed on collet 3, will with fixing device 6
The body of fire extinguisher 8 is fixed, and fixing card 7 fixes nozzle of fire extinguisher, after the completion of fixing, and is started pressure mouth cylinder 5, is carried out fire extinguisher
Injection, while weighing unit is started working, computer records the jet quality of firing-fighting medium, then draws fire extinguishing by software in real time
Medium injection quality and the relation between the time, i.e. actual ejection figure-of-merit curve, as shown in curve C in accompanying drawing 5.Fire extinguisher goes out
The starting weight of fiery medium is 4 kilograms, is corresponded in coordinate system as（0,4）, and at the end of the injection of the firing-fighting medium of fire extinguisher
Used time is 21 seconds, and now internal jetting medium has all sprayed, and jet quality is 4 kilograms, and now firing-fighting medium quality is in fire extinguisher
0, correspond in coordinate system as（21,0）, by the actual fire extinguishing figure-of-merit curve of the firing-fighting medium of this fire extinguisher and effectively fire extinguishing quality
Knowable to curve is contrasted, the course of injection part of the fire extinguisher falls into the process area A of effect fire extinguishing figure-of-merit curve, and terminal is
（21,0）, and do not fall within land B, although and be above land B and show that the injecting time of the fire extinguisher is longer, go out
Fiery medium injection intensity of flow not enough, is not enough to pressure fire extinguishing flame and can not realize and put out a fire successfully so the fire extinguisher is unqualified.This is
The less situation of firing-fighting medium flow, also a kind of underproof situation is that fire fighting with fire extinguisher rate-of flow is excessive, i.e., curve is whole
The region B that do not reach home is put, but is terminated before x=9, now shows that firing-fighting medium injection flow is excessive, dry powder total amount is released
Let off fast, firing-fighting medium has been used up when last remainder is fiery, can not equally be realized and be put out a fire successfully, now fire extinguisher is not equally
It is qualified.
Implementation in the present invention, cannot be only used for measuring the performance of MFZ/ABC4 fire extinguisher B classes fire extinguishing, it can also be used to
The fire extinguisher of other models, need to only be contrasted with its corresponding effective fire extinguishing figure-of-merit curve.
Claims (6)
1. a kind of portable stored-pressure type dry powder extinguisher extinguishing property detection method, it is characterised in that its step is as follows：
1. effectively fire extinguishing figure-of-merit curve is drawn, the X-axis of effective fire extinguishing figure-of-merit curve is the time, and unit is the second, and Y-axis is dry powder
Residual mass, unit for kilogram；The qualified region of effectively fire extinguishing figure-of-merit curve is made up of process area A and land B, process
Region is enclosed in the first quartile of coordinate system by two straight lines of y=4-0.44x and y=4-0.25x and formed, land by x=9, y=
0.67 and y=4-0.25x, tri- straight lines are enclosed in the first quartile of coordinate system and formed；
2. portable stored-pressure type dry powder extinguisher to be detected is placed into the implementation of data acquisition and measured；
3. 2. recording step measures dry powder jet quality and the relation of injecting time and forming curves；
4. the coordinate 3. step formed is compared with the qualified region that 1. step defines, if step 3. in curve procedures fall
It is that this goes out to fall in the process area A and terminal of effectively fire extinguishing figure-of-merit curve in the land B of effectively fire extinguishing figure-of-merit curve
The extinguishing property of firearm is qualified, if the scope for deflecting away from process area A and/or land B is as unqualified.
2. portable stored-pressure type dry powder extinguisher extinguishing property detection method according to claim 1, it is characterised in that also wrap
Include following steps：Using jet length image system, the relation of record dry powder jet length and injecting time, by step 3. in
The dry powder jet quality and the relation of injecting time measured determines time point when jet quality is half, so that it is determined that the time
The jet length of point, if jet length now is more than or equal to 3.5 meters, the fire extinguisher is qualified, the fire extinguishing if less than 3.5 meters
Device is unqualified.
3. a kind of implementation of portable stored-pressure type dry powder extinguisher extinguishing property detection method for described in claim 1,
It is characterized in that it includes weighing unit（2）, be arranged on weighing unit（2）On main body frame（10）, be arranged on main body frame（10）
Side wall（11）On lower fixing device（13）, be correspondingly arranged at lower fixing device（13）The fixing device of top（6）, for solid
Determine fire extinguisher（8）Nozzle fixing card（7）And it is arranged on the pressure handle cylinder above fixing device（5）.
4. implementation according to claim 3, it is characterised in that the fixing device（6）Including outer plate（601）, it is interior
Pressing plate（602）, connecting rod（603）, fixed cylinder（604）And connecting plate（606）；The clip plate（602）It is fixedly installed on side
Wall（11）Inner side, the outer plate（601）With clip plate（602）Position is corresponding and can mutually fasten, described in two
Connecting rod（603）One end is arranged on outer plate（601）The both sides of buckling surface, the other end and connecting plate（606）It is fixedly connected, it is described solid
Determine cylinder（604）It is arranged on side wall（11）Outside, cylinder rod and connecting plate（606）It is fixedly connected, clip plate（602）Buckling surface
On be provided with and connecting rod（603）Corresponding pilot hole.
5. implementation according to claim 4, it is characterised in that in the outer plate（601）And clip plate（602）'s
Buckling surface is provided with corresponding V-groove（605）.
6. implementation according to claim 3, it is characterised in that in lower fixing device（13）Lower section is additionally provided with collet
（3）, the collet（3）Including bracket（301）And and bracket（301）The standing screw being connected（302）, in the side wall
（11）On be provided with for standing screw（302）The bar hole of slip（12）, the bracket（301）And standing screw（302）Point
Side wall is not arranged on（11）Both sides.
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| CN107422670B (en) * | 2017-07-21 | 2020-04-14 | 深圳市盛路物联通讯技术有限公司 | Intelligent fire extinguisher test control method and equipment |
| CN112843579B (en) * | 2021-02-06 | 2021-12-31 | 浙江恒安消防安全设备有限公司 | Fire extinguishing performance detection equipment for portable dry powder fire extinguisher and use method thereof |
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| CN105547726A (en) | 2016-05-04 |
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