CN108281894A - Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire - Google Patents
Fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire Download PDFInfo
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- CN108281894A CN108281894A CN201810238381.5A CN201810238381A CN108281894A CN 108281894 A CN108281894 A CN 108281894A CN 201810238381 A CN201810238381 A CN 201810238381A CN 108281894 A CN108281894 A CN 108281894A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire Alarms (AREA)
Abstract
Fiery fire alarm control unit, the anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device, powder extinguishing system sleeper fire fire extinguishing component, oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component, power of alterating and direct current inside and outside fire alarm and coordinated control system, including sleeper fire inside and outside a kind of transformer sleeper fire；The beneficial effects of the invention are as follows：The problems such as transformer part fire alarm positions, can not carry out sleeper fire alarm sleeper fire pointing fire-extinguishing, external fire extinguishing system is easily influenced by wind speed rainfall cannot be carried out by solving transformer fire alarm fire extinguishing control mode.Meet fire inside and outside transformer, block fiery fire extinguishing, simultaneously, since dry-chemical fire extinguishing is efficient, it puts out a fire only 10~15 seconds time, have condition of repeatedly putting out a fire, without transformer oil trickling problem caused by water fire-fighting, effectively reduces the air pollution generated in fire extinguishing procedure, water pollution, above-mentioned a series of measure reduces government investment waste.
Description
Technical field
The invention belongs to substation's fire fighting devices, and in particular to fire alarm and coordinated signals inside and outside a kind of transformer sleeper fire
Systems technology.
Background technology
For a long time, the main transformer design for fire protection of substation's core equipment is primarily focused on is arranged between each main transformer
In transformer shape 10~1.5m ranges setting transformer oil storage, oil draining system fire is occurring for firebreak or fire wall
Drain transformer oil when calamity, meanwhile, be arranged outside transformer body water spray, foam spray, dry powder, note nitrogen etc. fire extinguishing systems into
Row fire extinguishing.
58 divide when 4 days 2 October in 1978, and 120,000 thousand volt-ampere transformers of Jiangsu Province Zhenjiang areas power plant 5 occur tight
Fiery explosion accident is restarted, transformer oil is largely ejected into outside oil sump around, causes dead 3 people of the worker overhauled, hinders 12 people,
800,000 yuan of property loss；On June 25th, 2009 5:00 AM, Wuhan Qingshan District 500kV Zhang Jiapu substation 1# main transformer A phases occur
Moderate explosive fire accident, transformer oil are ejected into oil sump and nearby cause large area fire, and fire extinguishing system is by bushing shell for transformer and heat dissipation
Device influences, and extinguishing chemical cannot reach transformer fire position, and fire extinguishing system extinguishing chemical cannot enter in transformer outside transformer
Portion is puted out a fire to save life and property inside transformer fire, and cannot be puted out a fire to save life and property transformer sleeper fire using disposable fire extinguishing control mode, extinguishing effect
It is bad, it finally uses 6 hydraulic giants after more than two hours by fire brigade, stamps out a fire within 18 minutes at 7 points；19 days 17 May in 2010
Point 16 minutes, nearby top high-voltage casing moderate explosive fire accident, flare occur Laibin, Guangxi Province B power plant for 500kV substation transformers
Meter height about more than 20 is risen, large area fire, fire extinguishing system part are caused outside transformer oil splash to casing side transformer oil pond
Equipment component tripping excessively occurs for equipment failure in a long time, logic entry condition, 18 points 06 minute, neighbouring fire brigade's fire fighting truck reaches existing
, 19 points 16 minutes, last more than about 1 hours by fire brigade and put out a fire to save life and property, successfully stamp out a fire；On July 22nd, 2015, certain city
500kV substations 1# main transformer A phase 250MVA transformer high-voltage bushings and increase seat explode, cause transformer high-voltage bushing and
It increases seat all to be blown up, the transformer part blown up while having smashed transformer water atomizing fire extinguishing system pipe network, water is caused to spray
Mist fire extinguishing system fails, and the junction that a large amount of transformer oil increase seat and device body from bushing sprays, wherein it is single-phase to account for about this
Become the transformer oil of total oil mass 60% and drain into main emergency oil pool along accident oil draining system, about 20% transformer oil then splash to phase
On adjacent (1# main transformer B phases, 2# main transformer C phases) transformer, main transformer place, main transformer fire wall, leader cable ditch, 500kV power distribution equipments
On place and main transformer transport routes, the transformer oil of residue about 20% is deposited in device body, the temperature of oil in transformer gone out due to splash
Far above self-ignition point temperature, meets and form large area transformer oil working fire in transformer oil splash range after air, continues
Fire and resume combustion fire.22 days fire for transformer time 1:00 AM 22 divides, 2 o'clock arrival substation of fire brigade scene of fire, and 2
Point substation load transfer in 25 minutes finishes, and 1#, 2# main transformer fully enter cold standby, and fire brigade starts to put out a fire, 2 points 55 minutes, transformation
Device and surrounding place open fire are put out, and the whole fire suppression of 5 o'clock of morning, afterwards, fire transformer oil are burnt totally substantially, fire-fighting
After team uses fire fighting truck water fire-fighting, a small amount of transformer oil is drained by road and yard drain system outside station, causes ambient enviroment
Pollution.
It is seen by fire cases situation above, due to transformer fire alarm and link fire extinguishing control mode and fire extinguishing system
Type selecting does not meet transformer fire fire extinguishing feature, although country has carried out largely transformer fire extinguishing system and alarm control system
Investment still cannot but play fire extinguishing in face of the moderate above explosive fire accident of transformer and act on, often invest very substantially
Small fire hydrant plays the role of real fire extinguishing, meanwhile, fire department reflection, fire hydrant is put out a fire by transformer shelter shadow
It rings, the low attack time of fire-fighting efficiency is long, and fire extinguishing for a long time brings a large amount of air pollution problems inherent, fire hydrant fire extinguishing generation simultaneously
It is difficult to play in water-deficient area that trickling transformer oil, which can also cause serious water pollution around substation, fire hydrant fire extinguishing system,
Effect；It is more cannot to play the reason of fire extinguishing effect for existing transformer fire extinguishing system in fire cases：Medium journey occurs for transformer
When the explosive fire accident of degree, bushing shell for transformer and bushing lifting seat only burst oil spout, while fire outside inside transformer occurs
Calamity, since fire extinguishing system extinguishing chemical is blocked by casing, is influenced by wind speed rainfall etc. outside transformer, external fire extinguishing system be difficult by
Extinguishing chemical is ejected into the fire extinguishing of external fire position, it more difficult to which extinguishing chemical is injected into inside transformer fire extinguishing；Transformer external fire
Local Fire only occurs for most situations, and it is fixed that transformer fire alarm system cannot carry out transformer part fire alarm
Position, cannot repeat the transformer fire of fire alarm, local a quarter or half, blindly use disposable all standing
Ejecting extinguishing, the protection of fire position is inadequate, and no fiery position then wastes excessive extinguishing chemical, when high-temperature transformer fry dried food ingredients gives birth to resume combustion fire
When, resume combustion fire alarm and pointing fire-extinguishing can not be carried out；Transformer fire extinguishing system logic enabling signal excessively causes fire extinguishing system
Tripping problem；When serious explosive fire accident occurs, the components such as bushing shell for transformer and raising seat can be blown up, the transformer oil of splash
Bigger is measured, fire range is wider, and the above problem is more serious；Therefore, it cannot put out a fire to save life and property to solve current transformer fire extinguishing system
Fiery problem inside and outside transformer, it is fixed that solution transformer fire alarm fire extinguishing control mode cannot carry out transformer part fire alarm
Position, sleeper fire alarm sleeper fire pointing fire-extinguishing can not be carried out, external fire extinguishing system is easily influenced by wind speed rainfall, transformer fire extinguishing system
System logic enabling signal excessively causes system tripping problem, it is necessary to fire alarm inside and outside a kind of novel transformer sleeper fire be arranged
And coordinated control system while solving above-mentioned alarm and fire extinguishing control problem, is led to adapting to transformer fire fire extinguishing feature
Crossing fire-extinguishing test selects suitable fire extinguishing system to solve the problems such as transformer shelter influences, and reduces the sky generated in fire extinguishing procedure
Gas pollution, water pollution and government investment waste.
Invention content
The purpose of the present invention is to provide fire alarm and coordinated control systems inside and outside a kind of substation's sleeper fire, solve current
Transformer fire extinguishing system cannot put out a fire to save life and property fiery problem inside and outside transformer, and solving transformer fire alarm fire extinguishing control mode cannot carry out
The fire alarm positioning of transformer part can not carry out sleeper fire alarm sleeper fire pointing fire-extinguishing, external fire extinguishing system easily by wind speed
Rainfall influences, transformer fire extinguishing system logic enabling signal excessively causes system tripping problem.By fire-extinguishing test, selection is to becoming
Depressor shelter influences smaller dry powder-oil-drainage nitrogen-filling fire-extinguishing, meets fire inside and outside transformer, blocks fiery fire extinguishing, meanwhile, by
It is efficient in dry-chemical fire extinguishing, it puts out a fire only 10~15 seconds time, has condition of repeatedly putting out a fire, without caused by water fire-fighting
Transformer oil trickles problem, effectively reduces the air pollution generated in fire extinguishing procedure, water pollution, above-mentioned a series of measure,
Reduce government investment waste.
The technical scheme is that：
Collected and analyzed by transformer fire case ----transformer alarm and linkage extinguishment control system are grasped comprehensively
There are the problem of the transformer fire fighting device science and technology item achievement of project verification ----bonding unit ----propose novel transformer resume combustion
Fire alarm and coordinated control system setting system schema, logic control program inside and outside fire ----multiple by full scale transformer
It fires fire inside and outside fire and blocks fiery fire-extinguishing test, the feasibility of verification system reformed AHP part ----improvement forms novel transformer
Fire alarm and coordinated control system inside and outside sleeper fire, meet Explosion of Transformer fire alarm and fire extinguishing control requires
Fiery fire alarming and controlling inside and outside fire alarm and coordinated control system, including sleeper fire inside and outside a kind of transformer sleeper fire
The anti-tripping fire spots localization of device, faulty action preventing and logic enabling signal monitoring device, powder extinguishing system sleeper fire fire extinguishing component,
Oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component, power of alterating and direct current；Wherein：
Inside and outside sleeper fire fiery fire alarm control unit by be connected to the terminal box of fiery fire alarm control unit inside and outside sleeper fire,
Infrared and ultraviolet double band fire detecting device, scene of fire audible-visual annunciator, the telephone connected with power cord by alarming line is inserted
Hole manual pull station and alarm control system may be programmed fire fire extinguishing control program composition inside and outside sleeper fire；
The anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device are by fiery fire inside and outside connection sleeper fire
Alarm controller, the RS232/CAN being connect with the anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device are total
Line converter, the analog signal line of the anti-tripping fire spots localization of connection faulty action preventing and logic enabling signal monitoring device, access
The infrared point temperature instrument of analog signal line, rain sensor, connects the anti-tripping fire spots localization of faulty action preventing and patrols air velocity transducer
The special equipment that the cable of volume enabling signal monitoring device, the network switch, the optical fiber being connect with the network switch, optical fiber connect
Case, the cable being connect with special equipment case, the image-type fire detector of cable connection, connection faulty action preventing anti-tripping fire position
The logics enabling signals such as the three side circuit breaker trip of transformer of positioning and logic enabling signal monitoring device switch composition；
Powder extinguishing system sleeper fire put out a fire component by powder extinguishing system central console, be connected to powder extinguishing system converge control
Dry-chemical fire extinguishing driving gas cylinder, the dry-chemical fire extinguishing driving gas that the dry-chemical fire extinguishing of case starts gas cylinder, is connected with dry-chemical fire extinguishing startup gas cylinder
Bottle is connected with dry powder can entrance, dry powder can outlet is connected with dry powder supervisor, dry powder supervisor connects more dry powder subregion selector valves, dry
Powder subregion selector valve connects dry powder branch pipe, dry powder branch pipe connection dry powder nozzle control valve and dry powder sprinkler composition, dry-chemical fire extinguishing system
Uniting, switch board is connected central console by control line, dry powder subregion selector valve and dry powder nozzle control valve pass through control with scene fire extinguishing
Line is connected with powder extinguishing system central console, and scene fire extinguishing switch board is connected with fiery fire alarm control unit inside and outside sleeper fire, by
Fiery fire alarm control unit control is put out a fire inside and outside sleeper fire；In addition connection purging pipe network starts gas cylinder, pipe network to dry powder supervisor
Purging gas cylinder and purging pipe network control valve, each ejecting extinguishing finish, and start purging gas cylinder and are purged to dry powder pipe network, are prevented
Dry powder pipe network blocks；
Oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component by oil draining nitrogen filling system central console, oil extraction heavy hammer mechanism, by oil extraction weight
Oil exit pipe, the oil exit pipe that the oil extraction service valve and oil draining nitrogen filling interlocking valve, oil extraction service valve that hammer mechanism is opened are connected with transformer
The above Transformer oil drain valve, draining valve of close transformer side and faulty action preventing oil extraction selector valve, note nitrogen weight for partition protecting
Hammer mechanism starts gas cylinder, note nitrogen fire extinguishing by the nitrogen injecting valua of note nitrogen heavy hammer mechanism delayed start-up, by the note nitrogen that note nitrogen pipe is separately connected
Gas cylinder, faulty action preventing note nitrogen selector valve, throttle valve, note nitrogen service valve composition.
Fiery fire report inside and outside sleeper fire inside and outside transformer sleeper fire of the present invention in fiery extinguishment control system of alarming and link
Alert controller, the transformer non-contact infrared ultraviolet dual wave-band fire detector being provided with are arranged in diagonal line or straight line
Mode is set to the transformer fire extinguishing system pipe network or outlet structure eminence of transformer both sides；What alarm control system was arranged can
The disposable jet fire extinguishing program that fiery ignition control routine of going out is used different from current transformer fire extinguishing system inside and outside programming sleeper fire,
It is specific to the special control program that transformer sleeper fire, inside and outside fiery fire characteristics, environment and logic entry condition are formulated,
After a fire alarm linkage fire extinguishing printing fire extinguishing information, secondary or multiple sleeper fire such as occurs, fire can be repeated
Alarm, system reset repeat to put out a fire.
Faulty action preventing anti-tripping fire portion inside and outside transformer sleeper fire of the present invention in fiery extinguishment control system of alarming and link
Position positioning and logic enabling signal monitoring device, the infrared point temperature instrument being provided with are set to transformer fire extinguishing system pipe network fire
On explosion-protection equipment, the fire position such as each casing flange of face transformer, tap changer flange, the image-type fire detector of setting
The position of transformer fire panorama can be monitored by being set to transformer both sides, and the two is by showing fire position and without fiery position
The fire image of different temperatures value and not ipsilateral provides accurate fire spots localization information；Air velocity transducer, the rain of setting
Quantity sensor, three side circuit breaker trip logic enabling signal switch of transformer, transformer fire is provided in conjunction with fire image in real time
Live wind speed, rainfall influence data and transformer breaker tripping power-off signal.It eliminates fire extinguishing system malfunction and blindly moves
Make, in many fire cases, transformer pressure switch, Buchholz relay are not operating, and it is disconnected that three side of transformer is only arranged
Road device Trip Logic enabling signal switch, eliminates caused by pressure and Buchholz relay start logical signal as fire extinguishing system and goes out
Fiery system tripping；When fire fire extinguishing control program setting wind speed rainfall influences extinguishing effect inside and outside sleeper fire, wind speed rain is waited for
Amount restarts fire extinguishing system fire extinguishing after reducing, when the time is longer, then first start the oil draining nitrogen filling fire extinguishing not influenced by wind speed, rainfall
System carries out inside transformer fire fire extinguishing；
Powder extinguishing system sleeper fire inside and outside transformer sleeper fire of the present invention in fiery extinguishment control system of alarming and link
The sleeper fire fire extinguishing number of fire extinguishing component, fire extinguishing 4 can be at least repeated for transformer part half or comprehensive fire
It is secondary；For most of local one thirds or a quarter external fire, can at least put out a fire 12~16 times；Wherein dry powder sprays
It is provided with dry powder nozzle control valve before head, is gone out ignition control routine control by fire inside and outside sleeper fire, to the positioning of infrared point temperature instrument
The dry powder nozzle control valve and dry powder nozzle ejecting extinguishing of fire position united opening corresponding site.Powder extinguishing system sleeper fire
The home smaller in Explosion of Transformer influence of fire is arranged in fire extinguishing component, fire prevention need to be taken to arrange when closer apart from transformer
It applies, the sleeper fire fire extinguishing number of powder extinguishing system sleeper fire fire extinguishing component, with full scale fire model fire-extinguishing test number
It is weighed according to fire extinguishing in 10~15 seconds is primary, the dry powder amount for meeting national standard injection in 60 seconds theoretically at least may be used for the comprehensive fire of transformer
With 4 requirements of repetition fire extinguishing.
Oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component of the present invention is disposed proximate to powder extinguishing system sleeper fire fire extinguishing component,
Dry powder and note nitrogen fire extinguishing system share fiery fire alarm control system inside and outside alarm and fire extinguishing sleeper fire, the anti-tripping fire of faulty action preventing
Spots localization and logic enabling signal monitoring device, prevent the electrical control in oil draining nitrogen filling system malfunction case and detector
Reason malfunctions；Three side circuit breaker trip logic enabling signal switch of transformer is set, pressure and Buchholz relay conduct are eliminated
Fire extinguishing system start logical signal it is actually not operating caused by oil-drainage nitrogen-filling fire-extinguishing tripping；Using fire temperature+image into
Row fire spots localization meets the requirement of fire extinguishing control telemechanical and field control extinguishing action reliability, eliminates previous oil extraction note
Nitrogen fire extinguishing system control aspect has no the malfunction that fire first starts；Oil extraction heavy hammer mechanism and note nitrogen heavy hammer mechanism, row is respectively adopted
Oil note nitrogen interlocking valve, faulty action preventing oil extraction selector valve, faulty action preventing note nitrogen selector valve, eliminate system mechanics and manual operation malfunction.
Fire alarm and coordinated control system inside and outside the transformer sleeper fire of the present invention, can equally control the spray of transformer water
Mist-oil-drainage nitrogen-filling fire-extinguishing or transformer foam spray-oil-drainage nitrogen-filling fire-extinguishing, according to fire-extinguishing test as a result, water sprays
Mist or each attack time control of foam spray were at 6 minutes or so；
Beneficial effects of the present invention are embodied in：Fire alarm and coordinated control system are to meet change inside and outside this transformer sleeper fire
The fire alarm and extinguishment control system of depressor fire fire extinguishing feature can solve transformer fire alarm fire extinguishing control mode not
It can carry out that the positioning of transformer part fire alarm, can not to carry out sleeper fire alarm sleeper fire pointing fire-extinguishing, external fire extinguishing system easy
It is influenced by wind speed rainfall, transformer fire extinguishing system logic enabling signal excessively causes system tripping problem.Pass through fire-extinguishing test, choosing
Selecting influences transformer shelter smaller dry powder-oil-drainage nitrogen-filling fire-extinguishing, meets fire inside and outside transformer, blocks fiery fire extinguishing,
Simultaneously as dry-chemical fire extinguishing is efficient, puts out a fire only 10~15 seconds time, have condition of repeatedly putting out a fire, no water disappears
Transformer oil trickling problem, effectively reduces the air pollution generated in fire extinguishing procedure, water pollution caused by anti-, above-mentioned a series of
Measure, reduce government investment waste.
Description of the drawings
Fig. 1 is present system wiring schematic diagram；
Fig. 2 is fire fire extinguishing control programmed logic relation schematic diagram inside and outside sleeper fire of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings to fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire of the present invention do into
One step explanation.
See Fig. 1,1 component of fiery fire alarm control unit inside and outside sleeper fire, the transformer non-contact infrared being provided with is purple
Outer double band fire detecting device A2 is set to the transformer fire extinguishing system pipe of transformer both sides in diagonal line or straight line arrangement
Net or outlet structure eminence, alarm control system setting programmable sleeper fire inside and outside fire go out ignition control routine A6 be different from mesh
It is special to be specific to transformer sleeper fire, inside and outside fiery fire for the disposable jet fire extinguishing program that preceding transformer fire extinguishing system uses
The special control program that point, environment and logic entry condition are formulated, when a fire alarm linkage fire extinguishing printing fire extinguishing information
Afterwards, secondary or multiple sleeper fire such as occurs, fire alarm, system reset can be repeated, repeat to put out a fire；
See that Fig. 1,2 component of the anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device are provided with
Infrared point temperature instrument B7 is set on transformer fire extinguishing system pipe network fire explosion-protection equipment, each casing flange of face transformer, pressure regulation
The fire positions such as flange are switched, the image-type fire detector B4 of setting, which is set to transformer both sides, can monitor transformer fire
The position of panorama, the two are carried by showing fire position and different temperatures value and the not fire image of ipsilateral without fiery position
For accurate fire spots localization information；Air velocity transducer B8, rain sensor B9 are arranged in Explosion of Transformer influence of fire model
Enclose outer fire extinguishing system device location；Breaker original three side circuit breaker trip logic enabling signal switch B11 of transformer is jumped
Lock signal is provided by transformer control device；Three side circuit breaker trip letter of fire locating information, wind speed rainfall information and transformer
Breath is simultaneously displayed on the anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device 2, and display content is simultaneously
It is even harmonically adjusted in teletransmission electric system by connection to integrated automation of transformation stations monitoring system, controllers can be with
In conjunction with fire temperature framing information, and transformer fire scene wind speed, rainfall data, transformer breaker are jumped in real time
Lock power-off signal, telemechanical or execute-in-place fire extinguishing system carry out, from the beginning of fire and sleeper fire pointing fire-extinguishing, eliminating fire extinguishing system
Malfunction and blindly action；In many fire cases, transformer pressure switch, Buchholz relay are not operating, and the present invention is only
Three side circuit breaker trip logic enabling signal switch B11 of setting transformer, eliminate pressure and Buchholz relay is as fire extinguishing
Fire extinguishing system tripping caused by system startup logical signal is not operating；It is gone out ignition control routine A6 wind speed settings by fire inside and outside sleeper fire
When rainfall influences extinguishing effect, waits for restarting fire extinguishing system fire extinguishing after wind speed rainfall reduces, when the time is longer, then first open
The dynamic faulty action preventing oil-drainage nitrogen-filling fire-extinguishing not influenced by wind speed, rainfall, carries out inside transformer fire fire extinguishing；
See that the safety smaller in Explosion of Transformer influence of fire is arranged in Fig. 1, powder extinguishing system sleeper fire fire extinguishing component 3
Position need to take precautions against fire when closer apart from transformer, the fire extinguishing system resume combustion of powder extinguishing system sleeper fire fire extinguishing component 3
Fire fire extinguishing number is weighed so that the fire extinguishing in 10~15 seconds of full scale fire model fire-extinguishing test data is primary, meets national standard 60 seconds
The dry powder amount of injection theoretically for the comprehensive fire of transformer at least can repeat fire extinguishing 4 times, for most of parts three/
One or a quarter external fire, it can at least put out a fire 12~16 times；In order to coordinate the pointing fire-extinguishing after fire alarm positioning,
It is provided with dry powder nozzle control valve C8 before dry powder nozzle C9, is gone out ignition control routine A6 control by fire inside and outside sleeper fire, to infrared
The fire position of the warm instrument B7 positioning of point, can be with the dry powder nozzle control valve C8 of united opening corresponding site and the C9 injections of dry powder nozzle
Fire extinguishing；In addition connection purging pipe network starts gas cylinder C10, purging pipe network gas cylinder C11 and purging pipe network control valve C12 to dry powder supervisor,
Each ejecting extinguishing finishes, and starts purging gas cylinder and is purged to dry powder pipe network C5, prevents dry powder pipe network from blocking；
See Fig. 1, oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component 4 puts out a fire component 3 close to setting with powder extinguishing system sleeper fire
It sets, dry powder and note nitrogen fire extinguishing system share fiery fire alarm control unit 1 inside and outside alarm and fire extinguishing sleeper fire, the anti-tripping fire of faulty action preventing
Calamity spots localization and logic enabling signal monitoring device 2, prevent the electrical control and spy in oil draining nitrogen filling system malfunction case
Survey the malfunction of device reason；Three side circuit breaker trip logic enabling signal switch B11 of transformer is set, pressure and gas relay are eliminated
Device as fire extinguishing system start logical signal it is actually not operating caused by oil-drainage nitrogen-filling fire-extinguishing tripping；Using fire temperature+
Image fire spots localization meets the requirement of fire extinguishing control telemechanical and field control extinguishing action reliability, eliminates previous oil extraction
Note nitrogen fire extinguishing system control aspect has no the serious malfunction that fire first starts；Using novel oil extraction heavy hammer mechanism D2 and note nitrogen weight
Hammer mechanism D10, oil draining nitrogen filling interlocking valve D12, faulty action preventing oil extraction selector valve D4, faulty action preventing note the components such as nitrogen selector valve D13, action
When, oil extraction service valve D3/ oil draining nitrogen filling interlocking valve D12 are opened in electronic startup oil extraction oil extraction heavy hammer mechanism D2, mechanical movement according to this,
It is delayed after a period of time, restarts note nitrogen heavy hammer mechanism D10, open nitrogen injecting valua, eliminate oil-drainage nitrogen-filling fire-extinguishing machinery malfunction
Problem, it is contemplated that transformer fire attack time is longer, is mingled with the mist of oil steam of transformer oil explosion from the beginning of fire, especially
Explosion time occurs in transformer side surface cover pipe, it is more difficult to judge that oil-drainage nitrogen-filling fire-extinguishing quickly starts and whether be conducive to transformer fire
Calamity is puted out a fire to save life and property, it is possible to accelerate transformer oil outflow to cause the fire of bigger, therefore, the accuracy reliability that fire extinguishing system starts has
Effect property, it is more important than quickly starting oil-drainage nitrogen-filling fire-extinguishing, after completing these confirming operations and there is no malfunction, then electronic startup
Faulty action preventing oil extraction selector valve D4, faulty action preventing note nitrogen selector valve D13, and last one of valve is arranged to eliminate the machinery in system structure
With manual operation malfunction.
See Fig. 2, fire fire extinguishing logic control program is inside and outside sleeper fire：Transformer fire occurs ----infrared and ultraviolet two waveband
Fire detector A2 actions ----transformer fire alarm linkage controller 1 and scene acousto-optic warning box A3 send out alarm signal
Number ----start the anti-tripping fire spots localization of faulty action preventing and 2 working procedure of logic enabling signal monitoring device ----display transformation
Device fire spot temperature value, detection image carry out fire position and manually or automatically position ----while showing transformer yard
Ground wind speed and rainfall value, three side circuit breaker trip signal of main transformer --- meet+three side of wind speed rainfall simultaneously after-fire locating
Circuit breaker trip signal enabling condition ----start fire inside and outside sleeper fire and go out ignition control routine A6；It cannot expire simultaneously after fire locating
+ three side circuit breaker trip signal enabling condition of sufficient wind speed rainfall then repeats monitoring and entry condition is waited for meet in short-term ----start
Inside and outside sleeper fire fire go out the artificial fire of ignition control routine A6---- external fires start automatically part or comprehensively fire position go out
Fiery system nozzle ejecting extinguishing, purging pipe network --- after-primary fire extinguishing, automated manner then directly initiates oil-drainage nitrogen-filling fire-extinguishing
Internal resume combustion fire fire extinguishing is carried out, manual type then needs to judge to starting oil draining nitrogen filling system after transformer fire fire extinguishing favorably
Fire extinguishing ----fire attack finishes system reset, and ----as sleeper fire occurs ----repeats fire report to printing fire extinguishing information
Police, fire locating, entry condition judgement, startup fire extinguishing program, fire extinguishing finish system reset, the full mistake of control of printing fire extinguishing information
Cheng Jinhang sleeper fires are put out a fire ----directly terminate to put out a fire if fire extinguishing terminates ----if sleeper fire does not occur again ----；
See that Fig. 2, sleeper fire put out a fire in logic control program, wind speed rainfall cannot be met simultaneously after long-time fire locating
When+three side circuit breaker trip signal enabling conditions ----then start the oil draining nitrogen filling in the fiery ignition control routine A6 that goes out inside and outside sleeper fire
Fire extinguishing system first carries out the fire extinguishing of interior fires resume combustion fire；
See Fig. 2, fire alarm and coordinated control system, can equally control transformer inside and outside transformer sleeper fire of the invention
Water spray-oil-drainage nitrogen-filling fire-extinguishing or transformer foam spray-oil-drainage nitrogen-filling fire-extinguishing, according to fire-extinguishing test as a result,
Water spray or each attack time control of foam spray were on 6 minutes left sides.
Claims (6)
1. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire, which is characterized in that including fire fire inside and outside sleeper fire
The anti-tripping fire spots localization of calamity alarm controller (1), faulty action preventing and logic enabling signal monitoring device (2), dry-chemical fire extinguishing system
System sleeper fire fire extinguishing component (3), oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component (4), power of alterating and direct current (5)；Wherein：
Fiery fire alarm control unit (1) is by being connected to the wiring of fiery fire alarm control unit (1) inside and outside sleeper fire inside and outside sleeper fire
Box (A1), infrared and ultraviolet double band fire detecting device (A2), the scene of fire sound-light alarm connected with power cord by alarming line
Device (A3), telephone jack manual pull station (A4) and alarm control system may be programmed fire fire extinguishing control inside and outside sleeper fire
Program (A6) forms；
The anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device (2) are by fiery fire report inside and outside connection sleeper fire
The RS232/ that police controller (1), is connect with the anti-tripping fire spots localization of faulty action preventing and logic enabling signal monitoring device (1)
CAN bus converter (B1), the simulation for connecting faulty action preventing anti-tripping fire spots localization and logic enabling signal monitoring device (2)
Signal wire (B10), the infrared point temperature instrument (B7) of incoming analog signal line (B10), air velocity transducer (B8), rain sensor
(B9), the anti-tripping fire spots localization of connection faulty action preventing and the cable (B5) of logic enabling signal monitoring device (2), network exchange
The special equipment case (B3) and special equipment that machine (B2), the optical fiber (B6) being connect with the network switch (B2), optical fiber (B6) connect
The cable (B5) of case (B3) connection, the image-type fire detector (B4) of cable (B5) connection, the connection anti-tripping fire of faulty action preventing
The logics enabling signals such as the three side circuit breaker trip of transformer of spots localization and logic enabling signal monitoring device (2) switch
(B11) it forms；
Powder extinguishing system sleeper fire fire extinguishing component (3) by powder extinguishing system central console (C1), be connected to powder extinguishing system
The dry-chemical fire extinguishing of central console (C1) starts gas cylinder (C2), the dry-chemical fire extinguishing being connected with dry-chemical fire extinguishing startup gas cylinder (C2) drives gas cylinder
(C3), dry-chemical fire extinguishing driving gas cylinder (C3) is connected with dry powder can (C4) entrance, (C5) phase is responsible in dry powder can (C4) outlet with dry powder
Even, dry powder supervisor (C5) connects more dry powder subregion selector valve C6, dry powder subregion selector valve (C6) connection dry powder branch pipe (C7), does
Powder branch pipe (C7) connect dry powder nozzle control valve (C8) and dry powder nozzle (C9) form, powder extinguishing system central console (C1) with show
Field fire extinguishing switch board (A5) is connected by control line, dry powder subregion selector valve (C6) and dry powder nozzle control valve (C8) pass through control
Line is connected with powder extinguishing system central console (C1), scene fire extinguishing switch board (A5) and fiery fire alarm control unit inside and outside sleeper fire
(1) it is connected, is controlled and put out a fire by fiery fire alarm control unit (1) inside and outside sleeper fire；In addition dry powder supervisor connects purging pipe network
Start gas cylinder (C10), purging pipe network gas cylinder (C11) and purging pipe network control valve (C12), each ejecting extinguishing to finish, startup is blown
Scavenging bottle purges dry powder pipe network (C5)；
Oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component (4) by oil draining nitrogen filling system central console (D1), oil extraction heavy hammer mechanism (D2), by
Oil extraction service valve (D3) and oil draining nitrogen filling interlocking valve (D12), oil extraction service valve (D3) and the change that oil extraction heavy hammer mechanism (D2) is opened
On the connected oil exit pipe (D5) of depressor, oil exit pipe (D5) close to the Transformer oil drain valve (D7) of transformer side, draining valve (D6), with
And for partition protecting faulty action preventing oil extraction selector valve (D4), note nitrogen heavy hammer mechanism (D10), prolonged by note nitrogen heavy hammer mechanism (D10)
The nitrogen injecting valua (D11) of Shi Kaiqi, the note nitrogen being separately connected by note nitrogen pipe (D15) start gas cylinder (D8), note nitrogen fire extinguishing gas cylinder (D9),
Faulty action preventing is noted nitrogen selector valve (D13), throttle valve (D14), note nitrogen service valve (D16) and is formed.
2. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire according to claim 1, which is characterized in that
Fiery fire alarm control unit (1) inside and outside sleeper fire inside and outside transformer sleeper fire in fiery extinguishment control system of alarming and link,
The transformer non-contact infrared ultraviolet dual wave-band fire detector (A2) of middle setting is arranged in diagonal line or straight line arrangement
Transformer fire extinguishing system pipe network or outlet structure eminence in transformer both sides.
3. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire according to claim 1, which is characterized in that
The anti-tripping fire spots localization of faulty action preventing and logic inside and outside transformer sleeper fire in fiery extinguishment control system of alarming and link open
Dynamic signal monitoring apparatus (2), the infrared point temperature instrument (B7) being provided with are set to the explosion-proof dress of transformer fire extinguishing system pipe network fire
It sets, the image-type fire detector (B4) at the fire position such as each casing flange of face transformer, tap changer flange, setting is set
The position of transformer fire panorama can be monitored by being placed in transformer both sides, the two by show fire position with without fiery position not
The fire image of equality of temperature angle value and not ipsilateral provides accurate fire spots localization information；The air velocity transducer (B8) of setting,
Rain sensor (B9), three side circuit breaker trip logic enabling signal switch (B11) of transformer, provide in real time in conjunction with fire image
Transformer fire scene wind speed, rainfall influence data and transformer breaker tripping power-off signal.
4. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire according to claim 1, which is characterized in that
Powder extinguishing system sleeper fire fire extinguishing component (3) inside and outside transformer sleeper fire in fire alarm and linkage extinguishment control system is answered
Combustion fire fire extinguishing number, fire extinguishing 4 times can be at least repeated for transformer part half or comprehensive fire；For most of
Local one third or a quarter external fire, can at least put out a fire 12~16 times；Setting wherein before dry powder nozzle (C9)
Dry powder nozzle control valve (C8) is gone out ignition control routine (A6) control by fire inside and outside sleeper fire, fixed to infrared point temperature instrument (B7)
The dry powder nozzle control valve (C8) and dry powder nozzle (C9) ejecting extinguishing of the fire position united opening corresponding site of position.
5. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire according to claim 1, which is characterized in that
Oil-drainage nitrogen-filling fire-extinguishing faulty action preventing component (4) is disposed proximate to powder extinguishing system sleeper fire fire extinguishing component (3), dry powder and note
The alarm and fire extinguishing of nitrogen fire extinguishing system share fiery fire alarm control system (1), faulty action preventing anti-tripping fire portion inside and outside sleeper fire
Position positioning and logic enabling signal monitoring device (2), prevent the electrical control and detection in oil draining nitrogen filling system malfunction case
Device reason malfunctions；Three side circuit breaker trip logic enabling signal switch (B11) of transformer is set, pressure and gas relay are eliminated
Device as fire extinguishing system start logical signal it is actually not operating caused by oil-drainage nitrogen-filling fire-extinguishing tripping；Using fire temperature+
Image carries out fire spots localization, meets the requirement of fire extinguishing control telemechanical and field control extinguishing action reliability, eliminates previous
Oil-drainage nitrogen-filling fire-extinguishing control aspect has no the malfunction that fire first starts；Oil extraction heavy hammer mechanism (D2) and note nitrogen weight is respectively adopted
Hammer mechanism (D10), oil draining nitrogen filling interlocking valve (D12), faulty action preventing oil extraction selector valve (D4), faulty action preventing note nitrogen selector valve (D13), disappear
Except system mechanics and manual operation malfunction.
6. fire alarm and coordinated control system inside and outside a kind of transformer sleeper fire according to claim 1, which is characterized in that
This system can equally control transformer water atomizing-oil-drainage nitrogen-filling fire-extinguishing or transformer foam spray-oil draining nitrogen filling goes out
Fiery system, according to fire-extinguishing test as a result, water spray or each attack time control of foam spray were at 6 minutes or so.
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| CN201810238381.5A CN108281894B (en) | 2018-03-22 | 2018-03-22 | Transformer reignition fire internal and external fire alarm and linkage control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810238381.5A CN108281894B (en) | 2018-03-22 | 2018-03-22 | Transformer reignition fire internal and external fire alarm and linkage control system |
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| CN108281894B CN108281894B (en) | 2023-04-14 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110624194A (en) * | 2019-07-15 | 2019-12-31 | 国网浙江省电力有限公司嘉兴供电公司 | Intelligent fire extinguishing control method for transformer substation based on ubiquitous power Internet of things |
| CN111001115A (en) * | 2019-12-09 | 2020-04-14 | 国网宁夏电力有限公司 | Fire protection judgment method and system for fire-fighting linkage transformer |
| CN111729222A (en) * | 2020-06-18 | 2020-10-02 | 速博达(深圳)自动化有限公司 | Explosion-proof fire extinguishing device |
| CN112023302A (en) * | 2020-09-09 | 2020-12-04 | 中国电力科学研究院有限公司 | Fire fighting system for three-station-in-one comprehensive station and fire fighting method thereof |
| CN112870617A (en) * | 2021-01-25 | 2021-06-01 | 南京南瑞继保电气有限公司 | Linkage control method for compressed air foam system |
| CN113101571A (en) * | 2021-05-12 | 2021-07-13 | 悟空智能科技常州有限公司 | Dry powder fire extinguishing control system for intelligent robot |
| CN115154967A (en) * | 2022-06-23 | 2022-10-11 | 国网安徽省电力有限公司电力科学研究院 | Test platform and test method for extinguishing transformer oil fire by using dry powder and water spray |
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| CN112023302A (en) * | 2020-09-09 | 2020-12-04 | 中国电力科学研究院有限公司 | Fire fighting system for three-station-in-one comprehensive station and fire fighting method thereof |
| CN112870617A (en) * | 2021-01-25 | 2021-06-01 | 南京南瑞继保电气有限公司 | Linkage control method for compressed air foam system |
| CN113101571A (en) * | 2021-05-12 | 2021-07-13 | 悟空智能科技常州有限公司 | Dry powder fire extinguishing control system for intelligent robot |
| CN115154967A (en) * | 2022-06-23 | 2022-10-11 | 国网安徽省电力有限公司电力科学研究院 | Test platform and test method for extinguishing transformer oil fire by using dry powder and water spray |
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