CN206560607U

CN206560607U - A kind of novel transformer explosive fire accident foam notes nitrogen fire extinguishing system

Info

Publication number: CN206560607U
Application number: CN201621154604.2U
Authority: CN
Inventors: 梁戈
Original assignee: Intelligent Fire Fighting Equipment (jiangsu) Co Ltd; Energy China Ynpd
Current assignee: Intelligent Fire Fighting Equipment (jiangsu) Co Ltd; Energy China Ynpd
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2017-10-17
Anticipated expiration: 2026-10-31

Abstract

Nitrogen fire extinguishing system is noted the utility model discloses a kind of novel transformer explosive fire accident foam, the system is by fire position alarm positioning device, external environment condition monitoring device, controllable spray regime foam spray fire extinguishing pipe network, foam spray fire-extinguishing apparatus, oil extraction cutout note nitrogen pipeline, reduced form is noted the part such as nitrogen fire-extinguishing apparatus and the foam note nitrogen combined system fire alarm linking controller with various control module and constituted, the existing transformer fire extinguishing system transformer that can not put out a fire to save life and property is solved seriously to explode the working fire of formation, continue fire, the problem of resume combustion fire, and the problem of existing fire extinguishing system waste government investment.

Description

A kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system

Technical field

The utility model is related to fire-fighting equipment technical field, especially oil-immersed power transformer fire extinguishing system.

Background technology

In recent years, the power equipment gone into operation with the last round of power construction peak period of China subsequently enters upgrading Phase, because the Accident of Transformer that ageing equipment and loss are caused has increased trend.On July 10th, 2015, city of Yunnan Province 500kV becomes single-phase main transformer bushing and occurs serious explosive fire accident, is analyzed by the scene of the accident, transformer fire extinguishing system pipe network The sleeve pipe damage blown up, it is impossible to use, Transformer Bushing Overhaul flange blows up 50m far, and transformer oil crosses fire wall splash Arrive with adjacent single-phase transformer, because the transformer high-voltage bushing position of the blast is special, adjacent transformers are arrived in splash Oil mass is less, otherwise most probably causes adjacent transformers working fire；On June 18th, 2016, southern Xi'an City 330KV transformer stations because Equipment fault causes 3 transformers to recur fire.Cause of fire is due to that cable duct catches fire and caused, and fire is initially spread to After a nearest main transformer, because active fire measure failure causes the condition of a fire to continue to spread to adjacent main transformer and distribution Device place, and trigger remaining two main transformer in succession slight on fire from explosion, accident causes Xi'an to occur of short duration, large area Have a power failure.

Found after being analyzed by fire cases, country's large oil immersed power transformer is used at present water spray, foam Spraying, dry powder, oil draining nitrogen filling fire extinguishing device can only put out a fire to save life and property light transformer microburst fire, it is impossible to transformer moderate of putting out a fire to save life and property, serious Explosive fire accident.Existing fire extinguishing system is primarily present problem：1) Explosion of Transformer fire, which is usually formed outside transformer, spreads, holds Continuous resume combustion fire and it is internal continue resume combustion fire, current transformer fire extinguishing system be only provided with water spray, foam spray, dry powder or A kind of fire extinguishing system such as person's oil draining nitrogen filling, it is impossible at the same Explosion of Transformer fire of putting out a fire to save life and property, inside and outside working fire, continue it is multiple Fire fire；2) transformer oil splash trickling scope exceedes transformer fire extinguishing system protection domain, it is impossible to put out a fire to save life and property more than fire extinguishing system The spreading of scope, continue resume combustion fire；3) existing transformer fire extinguishing system warning device can not carry out accurately fixed to fire position Position, whole shower nozzles are blindly while an ejecting extinguishing, excessive without fiery position spray fire extinguishing agent, and put out a fire keypoint part fire extinguishing injection guarantor Shield is inadequate；4) warning device is once alarmed, extinguishing chemical once sprays, and causes resume combustion fire not put out a fire to save life and property, fire extinguishing failure；5) do not have Pipe network explosion-protection equipment is set, and fire extinguishing pipe network is damaged by Explosion of Transformer part to fail；6) external environment conditions such as wind speed, rainfall are not considered Factor, has a strong impact on extinguishing effect；7) there is numerous malfunctions, tripping in nitrogen filling fire extinguishing device；Existing other transformer fire extinguishings System, which has drought and water shortage environmental condition, can not use or use difficult problem.

Therefore, in the case of the transformer fire accident that power equipment aging and loss are caused is substantially increased, one is developed It is extremely urgent important thing to cover effective Explosion of Transformer fire fire extinguishing system.

The content of the invention

The purpose of this utility model is：Solve that existing fire extinguishing system exists when putting out a fire to save life and property Explosion of Transformer fire main asks Topic, solve transformer fire extinguishing system put out a fire to save life and property Explosion of Transformer fire, working fire, continue fire, the structure composition of resume combustion fire Problem；Solve Explosion of Transformer fire position alarm orientation problem；Solve external environmental factor influence problem；Solve different fire Scope fire extinguishing pipe network injection control problem；Solve the problems, such as foaming system and some common faults of nitrogen-filling system；Solve transformer different The fire extinguishing control problem at explosive fire accident position.

Technical solutions of the utility model are：

A kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system, the utility model is characterised by that the system is by fire Calamity position alarm positioning device, external environment condition monitoring device, foam spray fire extinguishing pipe network, complete fixed froth installation, oil extraction-disconnected Stream-note nitrogen pipeline, reduced form note nitrogen fire-extinguishing apparatus and foam-note nitrogen combined system fire alarm with various control module Linkage controller is constituted, wherein：

Fire position alarm positioning device by contactless fire detector, contactless fire temperature position locator, Transformer picture control probe composition, is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is by wind speed/rainfall monitor, transformer power-off signal, transformer picture control probe group Into being connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray puts out a fire pipe network by the supervisor that puts out a fire, subregion selector valve, fire extinguishing distribution pipe, electric jet control valve, fixation Or mobile fire extinguishing branch pipe, manual injection control valve, foam jet composition, fire extinguishing is responsible for exports phase with complete fixed froth installation Even；

Complete fixed froth installation the foam and proportion mixer being arranged in equipment room, foam pump, is disappeared by equipment room Caisson, fire water box is connected by devices such as pipeline valve, pressure gauges with foam pump, and foam pump passes through pipeline and foam and ratio Example mixing arrangement be connected, foam and proportion mixer outlet connection fire extinguishing supervisor, complete fixed froth installation control circuit with Fire alarm control unit is connected；

Oil extraction-cutout-note nitrogen pipeline is gone out by oil exit pipe, draining valve, oil exit pipe machinery overhaul valve, cut-off valve, note nitrogen respectively Fire tube road, nitrogen injecting valua, note nitrogen-oil extraction interlocking valve, note nitrogen pipe machinery overhaul valve group into, oil exit pipe one end with by protective top phase Even, one end access oil draining system, oil exit pipe is provided with oil exit pipe machinery overhaul valve, draining valve；Note nitrogen pipe one end is set with note nitrogen fire extinguishing Standby to be connected, one end is connected with by the note nitrogen mouthful of protective bottom；Top conservator and by the communicating pipe between protective provided with disconnected Flow and note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve, nitrogen injecting valua are respectively equipped with valve, note nitrogen fire extinction pipeline；

Note nitrogen fire-extinguishing apparatus is made up of note nitrogen cabinet, nitrogen cylinder group, nitrogen release device etc., and nitrogen release device is gone out with note nitrogen Fire tube road is connected；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit, linking fire controller group Into.Connect the alarm positioning of fire position and external environment condition monitoring device, complete fixed froth installation, electric jet control valve, note Nitrogen extinguishing device, oil extraction-cutout-nitrogen injecting valua door.

The utility model fire position alarm positioning device is determined by contactless fire detector, contactless fire temperature Location probe, transformer picture control probe composition；Contactless fire detector it is general by point-type infrared flame-failure detector or The fire detector composition of the other identity functions of person, is installed in two, transformer outside diagonal；Contactless fire temperature positioning Detector generally uses infrared point temperature instrument or other infrared temperature measurement apparatus, is installed on transformer fire extinguishing system pipe network, each At the every phase sleeve pipe of transformer high-voltage, middle pressure three-phase, neutral bushing, tap changer flange and low-pressure side three-phase sleeve pipe base flange It is correspondingly arranged a non-contact infrared point Wen Yi；Transformer picture control probe is separately provided or shared substation transformer Picture control is popped one's head in, outside Explosion of Transformer influence of fire scope, it is observed that the position of transformer whole sleeve pipe；It is non-to connect Touch fire detector, contactless fire locating detector signal, transformer fire panoramic picture access fire alarm control Device processed.

The utility model external environment condition monitoring device is by wind speed/rainfall monitor, transformer power-off signal, transformer image Monitoring probe is constituted, and the complete fixed froth installation that wind speed/rainfall monitor is arranged on Explosion of Transformer fire safety evaluating region is set Standby roof, wind speed and rainfall measurement signal, transformer power-off signal, the transformer environment panoramic picture of wind speed/rainfall monitor Access linking fire controller.

The utility model foam spray puts out a fire pipe network by the supervisor that puts out a fire, subregion selector valve, fire extinguishing distribution pipe, electric jet control Valve processed, fixation or mobile fire extinguishing branch pipe, manual injection control valve, foam jet composition, fire extinguishing supervisor fill with complete foam spray Put outlet to be connected, subregion selector valve connection different subregions transformers fire extinguishing pipe network, after subregion selector valve connection fire extinguishing distribution pipe and Fire extinguishing branch pipe, every fixed fire extinguishing branch pipe sets an electric jet control valve, electric jet control valve and fire report at sleeve pipe Alert positioning infrared point temperature instrument is in interaction relation, is connected with alarm linkage controller, the fixed spray of connection fire extinguishing on fixed fire extinguishing branch pipe Head, stationary nozzle is arranged in around transformer body；Removable branch pipe is arranged on easily produces transformer oil splash in transformer The vicinity of working fire, mobile branch pipe sets manual injection control valve and shower nozzle.

The utility model pipeline is respectively by oil exit pipe, draining valve, oil exit pipe machinery overhaul valve, cut-off valve, note nitrogen fire extinguishing tube Road, nitrogen injecting valua, note nitrogen-oil extraction interlocking valve, note nitrogen pipe machinery overhaul valve group are into note nitrogen pipeline one terminates note nitrogen fire-extinguishing apparatus, one Terminate into transformer body bottom note nitrogen mouthful, oil-drain pipe one end access upper part of transformer body, one end access transformer oil extraction System.Different from existing oil draining nitrogen filling device pipe network, the utility model adds mechanical oil extraction service valve on oil-drain pipe, Note nitrogen pipeline adds machinery note nitrogen service valve and electronic note nitrogen-oil extraction interlocking valve, draining valve, cut-off valve, nitrogen injecting valua, interlocking valve It is connected with fire alarm linking controller.

The utility model note nitrogen fire-extinguishing apparatus is made up of note nitrogen cabinet, nitrogen cylinder group, nitrogen release device etc., different from existing Oil draining nitrogen filling device, note nitrogen cabinet and foam spray equipment room are arranged in the security bit outside Explosion of Transformer influence of fire scope Put, equipment simplifies the alarm of existing oil draining nitrogen filling device, blocking device, linkage, equipment and foam-note nitrogen combined system Fire alarm linking controller is connected.

The utility model controller is alarmed with fire position to be positioned and external environment condition monitoring device, complete foam fire-fighting dress Put, electric jet control valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. are connected, electric jet control valve and sleeve pipe Place's fire alarm positioning infrared point temperature instrument is set to interaction relation, default entry condition control module, in short-term multi-injection module, Fire extinguishing keypoint part priviledge module, general top fire position fire extinguishing control module, the fire extinguishing of general side fire position control mould Block.

There is problem and the analysis of Explosion of Transformer influence of fire in existing fire-fighting system ----Explosion of Transformer fire fire extinguishing system Structure composition of uniting ----fire position alarm positioning device composition ----external environment condition monitoring device composition ----fire extinguishing pipe network spray Penetrate protection domain control device composition --- different fire positions：Fire extinguishing keypoint part, general top and side sleeve pipe fire position Put out a fire control method and ----to improve existing foaming system and nitrogen-filling system some intrinsic problems ----pass through explosive fire accident fire extinguishing examination Test --- examine and improve the utility model fire extinguishing system, meet explosive fire accident extinguishment requirement.

The place that the utility model is different from existing froth fire extinguishing system is：The utility model fire extinguishing system by foam and Note nitrogen fire extinguishing system composition combination fire extinguishing system, the outside working fire of the Explosion of Transformer fire that can put out a fire to save life and property simultaneously formation, hold Continuous fire, resume combustion fire and internal lasting fire, resume combustion fire；There is provided the noncontact of fire position alarm positioning can be carried out Formula fire detector+Non-contact Infrared Temperature Measurement positioner+artificial or device for image, is accurately positioned fire position, for fire extinguishing System starts, the protection of linkage extinguishing system pointing fire-extinguishing provides foundation, solve resume combustion fire alarm, fire alarm malfunction and nobody Station fire extinguishing system starting problem on duty；Wind speed and rainfall environment monitoring device are set, it is ensured that fire extinguishing system is optimal in extinguishing effect Period starts fire extinguishing；No matter perfect froth fire extinguishing system is improved fire position, fire scope all an ejecting extinguishings, emphasis Position protection is not enough, wastes the ejecting extinguishing mode of extinguishing chemical, by fire position alarm positioning device to fire locating, then joins Dynamic fire extinguishing pipe network injection control valve, whole or partly open fire extinguishing sprayer emphasis carry out repeatedly injection to fire position and gone out Fire；Meanwhile, according to the fire characteristicses at different fire positions, entry condition control module, in short-term multi-injection module, fire extinguishing are set It is multiple that the fire extinguishing control modules such as keypoint part, general top sleeve pipe fire position, general side sleeve pipe fire position carry out emphasis Ejecting extinguishing is repeated, extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire is saved；

The place that the utility model is different from existing nitrogen filling fire extinguishing device is：The utility model notes nitrogen cabinet and foam spray Fire-extinguishing apparatus room is arranged in the home outside Explosion of Transformer influence of fire scope, it is to avoid nitrogen cylinder group is in the high temperature of the scene of a fire Heat up the danger exploded；Simplify warning device, electric-linked blocking device, mechanical linkage the locking dress of note nitrogen fire-extinguishing apparatus Put, linkage of putting out a fire, share a fire alarm linkage control device with foaming system, reduce the wrong report of fire extinguishing system system, Malfunction；Note nitrogen-oil extraction interlocking valve is added before the nitrogen injecting valua for noting nitrogen fire extinction pipeline, nitrogen pipe machinery overhaul valve is noted, note nitrogen-oil extraction connects Locking-valve is used to prevent nitrogen injecting valua malfunction, and note nitrogen pipe machinery overhaul valve is used for hotline maintenance；Oil exit pipe and note nitrogen cabinet are separately positioned, row Oil exit pipe machinery overhaul valve is added after oil pipe draining valve, oil extraction-nitrogen injecting valua door is facilitated and safeguards, reduce valve tripping, note Nitrogen valve, draining valve, cut-off valve, note nitrogen-oil extraction interlocking valve access fire alarm linking controller,

The utility model is different from the fire alarm linking controller of existing fire extinguishing system：The utility model using foam- Note nitrogen combined system fire alarm linking controller, system and fire position alarm positioning device, external environment condition monitoring device, into Cover fixed froth installation, electric jet control valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. to be connected, electric jet Fire alarm positioning infrared point temperature instrument is set to interaction relation at control valve and sleeve pipe, presets entry condition control module, in short-term Multi-injection module, fire extinguishing keypoint part priviledge module, general top fire position fire extinguishing control module, general side fire portion Position fire extinguishing control module, by being accurately positioned fire position, accurate control fire extinguishing pipe network and shower nozzle carry out emphasis to fire position Ejecting extinguishing is repeated several times, extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire is saved；

1st, Explosion of Transformer fire characteristicses and fire position

The flash-point of transformer oil is 140 DEG C, and burning-point is 165~180 DEG C or so, and self-ignition point is 332 DEG C or so.Generally with The gradually aging of the insulating materials such as cable paper, cotton yarn, cloth, wooden unit, the insulating oil of inside transformer, dielectric strength reduction, when Run into that passing through property of transformer failure, overvoltage impact, repair quality are bad to make that minor insulation is injured, transformer oil quality deterioration Or when transformer watered and wetting, will cause it is transformer insulated puncture, cause short circuit, produce high-temperature electric arc, transformation The rapid gasification that is decomposed under the high temperature action of electric arc of device oil, sharply increases inside transformer pressure, when pressure arrives greatly accident When the flange connection pressure-bearing weak part such as bushing shell for transformer, bushing lifting seat, tap changer on point shell is unable to pressure-bearing, largely Beyond self-ignition point high-temperature transformer oil just splash comes out out of transformer, run into vigorous combustion after air, be formed transformation Device explosive fire accident, working fire, lasting fire, resume combustion fire.The utility model is for the time being by the Explosion of Transformer fire order of severity By transformer pressure-bearing weak part destructiveness, transformer oil splash how many, temperature of oil in transformer height, splash range size, flutter Rescue complexity etc. and be roughly divided into three classes：Slight explosive fire accident, moderate explosive fire accident, serious explosive fire accident.

Fire position：Transformer fire only occurs in the pressure-bearing weak points such as bushing shell for transformer, tap changer flange connections Position, while explosion or explosive fire accident occur for only one of which position.Fire position is temporarily divided into fire extinguishing emphasis portion by the utility model Position, general top fire position and general side fire position.Fire extinguishing keypoint part is referred to cause adjacent transformers, electrically set Standby, cable working fire position and transformer outlet structure gooseneck continue fire and direct losses, transformer station's whole station such as burn down to lose The fire position of the indirect losses such as pressure, responsible consumer power-off, fire hazard environment pollution, social influence；General top fire position and General side fire position refers to fire incident point in top or side, but not causes adjacent transformers, electrical equipment, cable Working fire position and transformer outlet structure gooseneck continue fire and the direct losses such as burn down, and can be flutterred by fire brigade's concrete on fire The fire position for only less fire hazard environment pollution, social influence etc. the indirect loss rescued.

2nd, Explosion of Transformer fire fire extinguishing system composition structure

A kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system, it is characterised in that the system is reported by fire position Alert positioner, external environment condition monitoring device, foam spray fire extinguishing pipe network, complete fixed froth installation, oil extraction-cutout-note nitrogen Pipeline, reduced form note nitrogen fire-extinguishing apparatus and foam-note nitrogen combined system fire alarm linkage control with various control module Device processed is constituted, wherein：

Complete fixed froth installation the foam and proportion mixer being arranged in equipment room, foam pump, is disappeared by equipment room Caisson, fire water box is connected by devices such as pipeline valve, pressure gauges with foam pump, and foam pump passes through pipeline and foam and ratio Example mixing arrangement 14 is connected, foam and proportion mixer outlet connection fire extinguishing supervisor, complete fixed froth installation control circuit It is connected with fire alarm control unit；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit, linking fire controller group Into.Connect the alarm positioning of fire position and external environment condition monitoring device, complete fixed froth installation, electric jet control valve, note Nitrogen extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc.；

3rd, fire position alarm positioning device

Cable formula fixed temperature detector or other detectors are used different from the alarm of existing transformer fire, can only be disposably fiery Calamity is alarmed, it is impossible to resume combustion fire alarm, can not cause the whole shower nozzles of fire extinguishing system blindly while once to fire spots localization Ejecting extinguishing, it is inadequate to fire extinguishing keypoint part fire extinguishing injection protection to excessive without fiery position spray fire extinguishing agent, extinguishing chemical is wasted, Can not be puted out a fire to save life and property resume combustion fire, lasting fire；After existing unattended substation fire alarm, it can not confirm under automatic running mode Malfunction of alarming is caused, manually starts under mode, unmanned starting problem is faced again；The utility model sets and visited by contactless fire The fire position alarm positioning device of device+contactless fire temperature position locator+transformer picture control probe composition is surveyed, Contactless fire detector is typically made up of the fire detector of point-type infrared flame-failure detector or other identity functions, dress It is located at two, transformer outside diagonal；Contactless fire temperature position locator generally uses infrared point temperature instrument or other red Outer temperature measuring equipment, is installed on transformer fire extinguishing system pipe network, and each transformer high-voltage, middle pressure three-phase are per phase sleeve pipe, neutral point A non-contact infrared point Wen Yi is correspondingly arranged at sleeve pipe, tap changer flange and low-pressure side three-phase sleeve pipe base flange；Become Depressor picture control probe is using being separately provided or sharing substation transformer picture control probe, installed in Explosion of Transformer Outside influence of fire scope, it is observed that the position of transformer whole sleeve pipes；Contactless fire detector 1, contactless fire The signal of position locator 2 accesses fire alarm control unit, and transformer picture control picture signal accesses linking fire controller, Display shows that fire alarm, each sleeve pipe infrared point temperature instrument temperature value of transformer and transformer picture control imaging probe fire are bowed Depending on panoramic picture.

Specific implementation：After explosive fire accident occurs, contactless point-type infrared flame-failure detector or other outdoor types fire Detector action is alarmed, and non-contact infrared point temperature instrument or other infrared temperature sensors are opened each bushing shell for transformer, pressure regulation Close flange and carry out positioning thermometric, 332 DEG C are considered as ignition temperature critical value, transformer oil fire scene temperature by transformer oil self-ignition point 600~700 DEG C are considered as fire fire extinguishing position, are splash surface fire position less than this temperature, meanwhile, in order to avoid misoperation, Fire position is determined by artificial or observation transformer control fire image：Using contactless point-type infrared flame-failure detector To from the beginning of fire and resume combustion fire repetition of alarms, reset；Confirmed with bushing shell for transformer temperature more than 600~700 DEG C+fire image Fire position, from the beginning of fire, it may occur however that large area fire or Local Fire, infrared point temperature instrument multiple spot surpasses during large area fire Temperature+fire image, linkage all or most electric jet control valve opens corresponding shower nozzle ejecting extinguishing, during Local Fire Infrared point temperature instrument single-point or 2 overtemperature+fire images, the local electric jet control valve of linkage open correspondence shower nozzle ejecting extinguishing. Resume combustion fire, normal conditions part infrared point temperature instrument single-point overtemperature+fire image, the local electric jet control valve opening pair of linkage Answer shower nozzle ejecting extinguishing.

4th, external environment condition monitoring device

Can only be used below in 2m/s wind speed different from the limitation of existing fire extinguishing system design specification, the heavy rain that avoids negative is to going out Fiery system extinguishing effect influences problem, is not inconsistent with practical service environment, and the utility model is from saving extinguishing chemical and plays fire extinguishing system The angle for efficiency of uniting sets substation transformer picture control, the transformation of wind speed/rainfall monitor, monitoring fire position and rainfall The external environment influence monitoring device such as device power-off signal, measures and observes to wind speed near the scene of a fire and rainfall respectively.Wind speed/ Rainfall monitor is arranged on the foam device roof in Explosion of Transformer fire safety evaluating region, and it is quick-fried that monitoring image is provided in transformer The position of the whole sleeve pipe weak parts of transformer can be observed outside fried influence of fire scope.Wind speed/rain of wind speed/rainfall monitor Amount signal, transformer power-off signal, transformer picture control image access linking fire controller, in display entry condition Region show wind speed/rainfall value, transformer power-off signal, fire alarm signal, each sleeve pipe infrared point temperature instrument temperature value of transformer, Transformer picture control imaging probe fire panoramic picture.

Specific implementation：The fire extinguishing of general top or side fire position avoids influenceing wind speed, the rainfall period of extinguishing effect, After environmental condition improvement, start fire extinguishing system and put out a fire；Usual wind speed size determines that rainfall is then one with air speed value Continue progressive formation, it is necessary to be determined with rainfall numerical value and artificial or Imaging Study：During general moderate rain：Rain falls such as line, and raindrop are difficult Differentiate；Fall hard place to flash；Depression ponding is very fast；Rustle the patter of rain on roof；5~15mm of precipitation or drop in 24 hours in 12 hours 10~25mm of water rainfall.When raining heavyly：Such as cloudburst of rain drop, is obscured in blocks；Depression ponding is exceedingly fast；Gurgle rain on roof Sound；In 12 hours 15~30mm of precipitation or in 24 hours 25~50mm of precipitation rainfall.During heavy rain：All 24 hours The rainfall that interior precipitation exceedes 50mm is referred to as heavy rain.Keypoint part fire extinguishing put out a fire when wind speed, rainfall are exceeded, does not meet During froth fire extinguishing system entry condition, the preferential note nitrogen fire extinguishing system that starts is put out a fire, and bubble is restarted below moderate rain and 6m wind speed Foam fire extinguishing system is put out a fire.

5th, foam spray fire extinguishing pipe network

Foam spray put out a fire pipe network by fire extinguishing supervisor 6, subregion selector valve 7, fire extinguishing distribution pipe 8, electric jet control valve 9, Fixed or mobile fire extinguishing branch pipe 10, manual injection control valve 11, foam jet 12 are constituted, fire extinguishing supervisor 6 and complete foam spray Device outlet is connected, the connection different subregions transformer fire extinguishing pipe network of subregion selector valve 7, connection fire extinguishing distribution pipe after subregion selector valve With fire extinguishing branch pipe, every fixed fire extinguishing branch pipe sets an electric jet control valve, electric jet control valve and fire at sleeve pipe Alarm positioning infrared point temperature instrument is in interaction relation, is connected with alarm linkage controller, and connection fire extinguishing is fixed on fixed fire extinguishing branch pipe Shower nozzle, stationary nozzle is arranged in around transformer body；Removable branch pipe is arranged on easily produces transformer oil spray in transformer The vicinity of working fire is splashed, mobile branch pipe sets manual injection control valve and shower nozzle.

Specific implementation：The position of pipe network and the nozzle layout of sprinkler whole outer surfaces of extinguishing chemical covering transformer around transformer, General to be made up of ten to tens stationary nozzles and 1~2 mobile shower nozzle not waited, shower nozzle connection fire extinguishing branch pipe is connected to Fire extinguishing distribution pipe, fire extinguishing supervisor and foam spray fire-extinguishing apparatus, every fixed fire extinguishing branch pipe one electric jet control valve of setting, Injection control valve links with infrared point temperature instrument at sleeve pipe, or by sleeve pipe infrared point temperature instrument+fire hazard monitoring image manual confirmation Coordinated signals afterwards, infrared point temperature instrument single-point or multiple spot overtemperature, linkage corresponding site electric jet control valve events are local or complete Portion opens shower nozzle and carries out ejecting extinguishing.Mobile branch pipe is arranged on the position that transformer produces working fire, and mobile branch pipe sets hand Dynamic injection control valve and shower nozzle, using artificial mobile peripheral transformer oil splash working fire of putting out a fire to save life and property.

6th, note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline are different from existing note nitrogen fire extinguishing system, and the utility model note nitrogen goes out Fiery equipment is made up of note nitrogen cabinet, nitrogen cylinder group, nitrogen release device etc., and different from existing oil draining nitrogen filling device, this practicality is new Type notes the home that nitrogen cabinet is arranged in foam spray equipment room outside Explosion of Transformer influence of fire scope, and equipment simplifies existing There are alarm, blocking device, linkage, equipment and the foam-note nitrogen combined system fire alarm linkage control of oil draining nitrogen filling device Device processed is connected；Oil extraction-cutout-note nitrogen pipeline is gone out by oil exit pipe, draining valve, oil exit pipe machinery overhaul valve, cut-off valve, note nitrogen respectively Fire tube road, nitrogen injecting valua, note nitrogen-oil extraction interlocking valve, note nitrogen pipe machinery overhaul valve group into, oil exit pipe one end with by protective top phase Even, one end access oil draining system, oil exit pipe is provided with oil exit pipe machinery overhaul valve, draining valve, and note nitrogen pipe one end is set with note nitrogen fire extinguishing Standby to be connected, one end is connected with by the note nitrogen mouthful of protective bottom, and top conservator and being provided with by the communicating pipe between protective breaks Flow and note nitrogen pipe machinery overhaul valve, note nitrogen-oil extraction interlocking valve, nitrogen injecting valua are respectively equipped with valve, note nitrogen fire extinction pipeline；

Specific implementation：Different from existing oil draining nitrogen filling fire extinguishing device, the utility model is noted nitrogen cabinet and set with foam spray fire extinguishing Standby room is arranged in the home outside Explosion of Transformer influence of fire scope, it is to avoid nitrogen cylinder group heats up quick-fried in the high temperature of the scene of a fire Fried danger；Simplify the warning device for noting nitrogen fire-extinguishing apparatus, electric-linked blocking device, mechanical linkage blocking device, fire extinguishing Linkage, a fire alarm linkage control device is shared with foaming system, reduces the wrong report of fire extinguishing system system, malfunction；Note Note nitrogen-oil extraction interlocking valve and note nitrogen pipe machinery overhaul valve are added before the nitrogen injecting valua of nitrogen fire extinction pipeline, note nitrogen-oil extraction interlocking valve is used In preventing nitrogen injecting valua malfunction, note nitrogen pipe machinery overhaul valve is used for hotline maintenance；Oil exit pipe and note nitrogen cabinet are separately positioned, oil exit pipe row Oil exit pipe machinery overhaul valve is added after fuel tap, valve maintenance is added, valve tripping, nitrogen injecting valua, draining valve, cutout is reduced Valve, note nitrogen-oil extraction interlocking valve access fire alarm linking controller.

7th, fire alarm and linkage controller and correlation module

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit, linking fire controller group Into.Default entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, general top fire portion Position fire extinguishing control module, general side fire position fire extinguishing control module.

Specific implementation：System is filled with fire position alarm positioning device, external environment condition monitoring device, complete foam fire-fighting Put, electric jet control valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc. are connected, electric jet control valve and sleeve pipe Place's fire alarm positioning infrared point temperature instrument is set to interaction relation, default entry condition control module, in short-term multi-injection module, Fire extinguishing keypoint part priviledge module, general top fire position fire extinguishing control module, the fire extinguishing of general side fire position control mould Block, by being accurately positioned fire position, accurate control fire extinguishing pipe network and shower nozzle carry out emphasis multiplicating to fire position and sprayed Fire extinguishing, saves extinguishing chemical, working fire of putting out a fire to save life and property, lasting fire and resume combustion fire；

Entry condition control module：Fire position alarm positioning device, external environment condition monitoring device are connected, it is aobvious in controller Position infrared point temperature instrument thermometric value, the substation wind speed such as display screen display fire alarm, each sleeve pipe of transformer and tap changer/ Rainfall, substation transformer power-off signal, transformer control panoramic picture signal, automated manner：Fire detector action+multiple spot Or local single-point thermometric value it is exceeded+automatic start such as transformer station's wind speed (rainfall is up to standard)+transformer power-off signal up to standard puts out a fire； Manual or telemechanical mode：Fire detector action+multiple spot or local single-point thermometric value it is exceeded+transformer station's wind speed (rain up to standard Amount is up to standard)+transformer power-off signal+artificial or transformer control panoramic picture confirmation fire position, manually start and accordingly go out Fiery module fire extinguishing, solves transformer station's alarm malfunction, unattended substation faulty action preventing fire extinguishing system is using when manually starting mode It is unmanned to start fire extinguishing system problem；

Multi-injection module in short-term：Different from all 15min injections of existing froth fire extinguishing system, extinguishing chemical is wasted, Can not be puted out a fire to save life and property the ejecting extinguishing mode of resume combustion fire, be tested according to fire fighting by foam system, usual 2~3min or so can just go out Fire, module is less than 4min spray regime in short-term using injecting time of all sites, system is had whole pipe networks 3~4 Secondary ejecting extinguishing, the ability of the fire extinguishing of local pipe networks 10~20 times solves fire extinguishing system and fire position multi-injection puted out a fire to save life and property resume combustion Fire problem, observe in fire extinguishing, strengthens the protection of fire keypoint part, is saved the limited extinguishing chemical of extinguishing chemical concentration and is puted out a fire to save life and property emphasis Position resume combustion fire, lasting fire；

The fire extinguishing preferential fire suppression module of keypoint part：Different from existing transformer fire extinguishing system regardless of fire position, blast fire Calamity coverage, net fire effect, to fire extinguishing keypoint part protection wretched insufficiency, ignore the protection of fire general fire position and fire extinguishing The difference of keypoint part flame failure protection, regardless of primary and secondary blindly using spray fire extinguishing agent of whole shower nozzles, wastes limited go out Fiery agent, inevitable adjacent transformers, surrounding electrical equipment, cable produce working fire, continue fire, resume combustion fire damage, No-voltage of entire station may be directly resulted in, causes responsible consumer power failure to be lost indirectly, while also causing fire brigade's water fire-fighting to cause Transformer oil drain into station outside Environmental Pollution Loss and social influence loss；The utility model linkage controller sets fire extinguishing Keypoint part control module, to fire extinguishing keypoint part, first passes through the analysis of Explosion of Transformer influence of fire and determines that transformer presence is gone out Fiery keypoint part, according to fire detector+infrared point temperature instrument it is exceeded+monitoring image confirm fire concrete position, linkage fire extinguishing weight Point position infrared point temperature instrument and electric jet control valve, are preferentially put out a fire using limited extinguishing chemical：Usual wind speed rainfall reaches Timestamp starts the outer foam spraying of fire extinguishing keypoint part simultaneously and internal note nitrogen fire extinguishing system is put out a fire；Wind speed, rainfall surpass Mark, the preferential note nitrogen fire extinguishing system that starts is put out a fire when not meeting froth fire extinguishing system entry condition；Below moderate rain and 6m wind speed Restart foam spray fire extinguishing system fire extinguishing.First fire infrared measurement of temperature multiple spot is exceeded, the warm instrument linkage fire extinguishing keypoint part electricity of point All open shower nozzle carries out ejecting extinguishing to dynamic injection control valve, and secondary resume combustion fire, single-point or 2 thermometrics are exceeded, point Wen Yi Linkage fire extinguishing keypoint part electric jet control valve partly open shower nozzle ejecting extinguishing, while controlling nitrogen-filling system to big in device body Measure the lasting resume combustion fire progress continued down fire extinguishing that high-temperature transformer oil is formed；The resume combustion fire that repeated, point Wen Yilian Dynamic fire extinguishing keypoint part electric jet control valve partly open shower nozzle injection is repeatedly put out a fire；It is live or logical during fire extinguishing Cross monitoring image close observation fire attack effect, amendment fire extinguishing position fire extinguishing control error, using limited extinguishing chemical with most Save extinguishing chemical, most efficient repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

General top sleeve pipe fire position fire suppression module：The utility model linkage controller sets general top sleeve pipe fire Position fire suppression module, it is outside to the blast of top bushing shell for transformer to spread fire specifically designed for top sleeve pipe fire characteristicses, fire scope Calamity, lasting fire are put out a fire：First fire infrared measurement of temperature multiple spot is exceeded, and the warm instrument linkage transformer top sleeve pipe fire of point is electronic Injection control valve opens whole shower nozzle ejecting extinguishings, and secondary resume combustion fire, single-point or 2 thermometrics are exceeded, the warm instrument linkage top of point Portion's fire electric jet control valve opens local shower nozzle ejecting extinguishing, while coordinated signals nitrogen-filling system is to a large amount of high temperature in device body The lasting resume combustion fire of transformer oil formation carries out continued down fire extinguishing；The resume combustion fire that repeated, the warm instrument linkage top of point Fire electric jet control valve opens local shower nozzle injection and repeatedly put out a fire；During fire extinguishing, scene or by monitoring image Close observation fire attack effect, amendment fire extinguishing control error, using limited extinguishing chemical most to save extinguishing chemical, it is most efficient Multiple fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

General side sleeve pipe fire position fire suppression module：The utility model linkage controller sets general side sleeve pipe fire Position fire suppression module, specifically designed for side sleeve pipe fire characteristicses, fire scope spreads to side Explosion of Transformer fire, outside Fire, lasting fire are put out a fire：First fire infrared measurement of temperature multiple spot is exceeded, the warm instrument linkage transformer side surface cover pipe fire portion of point The whole ejecting extinguishings of position electric jet control valve open side shower nozzle, secondary resume combustion fire, single-point or 2 thermometrics are exceeded, point Warm instrument linkage side side fire electric jet control valve partly open side shower nozzle ejecting extinguishing, while controlling nitrogen-filling system to device The lasting resume combustion fire that a large amount of high-temperature transformer oil are formed in body carries out continued down fire extinguishing；The resume combustion fire that repeated, point The warm local shower nozzle injection of instrument linkage side fire electric jet control valve exploitation is repeatedly put out a fire；During fire extinguishing, scene or By monitoring image close observation fire attack effect, amendment fire extinguishing control error is gone out using limited extinguishing chemical with most saving Fiery agent, most efficient repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

Beneficial effect：The utility model fire extinguishing system constitutes combination fire extinguishing system by foam and note nitrogen fire extinguishing system, can Outside working fire, lasting fire, resume combustion fire and internal lasting fire, resume combustion that Explosion of Transformer fire of putting out a fire to save life and property simultaneously is formed Fire；There is provided contactless fire detector+Non-contact Infrared Temperature Measurement positioning of fire position alarm positioning can be carried out Device+artificial or device for image, is accurately positioned fire position, is that fire extinguishing system starts, linkage extinguishing system pointing fire-extinguishing is protected Foundation is provided, resume combustion fire alarm, fire alarm malfunction and unattended station fire extinguishing system starting problem is solved；Set wind speed and Rainfall environment monitoring device, it is ensured that fire extinguishing system starts in extinguishing effect window of opportunity puts out a fire；Improve perfect foam fire-fighting system System is regardless of fire position, the whole ejecting extinguishings of fire scope, and keypoint part protection is not enough, wastes the ejecting extinguishing of extinguishing chemical Mode, by fire position alarm positioning device to fire locating, then the fire extinguishing pipe network injection control valve that links, it is all or local Open fire extinguishing sprayer emphasis carries out repeatedly ejecting extinguishing to fire position；Meanwhile, it is special according to the fire at different fire positions Point, sets entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part, general top sleeve pipe fire position, one As the fire extinguishing control module such as side sleeve pipe fire position carry out emphasis ejecting extinguishing be repeated several times, save extinguishing chemical, put out a fire to save life and property and spread Fire, lasting fire and resume combustion fire.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is mounting plane schematic diagram of the present utility model；

Fig. 3 is pipe network schematic diagram of the present utility model；

Fig. 4 is alarm positioning schematic diagram in fire position of the present utility model；

Fig. 5 is external environment condition monitoring schematic diagram of the present utility model；

Fig. 6 is that fire extinguishing keypoint part of the present utility model is preferentially put out a fire schematic diagram；

Fig. 7 is general top sleeve pipe fire position fire extinguishing schematic diagram；

Fig. 8 is general side sleeve pipe fire position fire extinguishing schematic diagram；

Fig. 9 is fire extinguishing control flow chart of the present utility model；

In figure, 1. contactless fire detectors, 2. contactless fire temperature position locators, 3. transformer images prison Control probe, 4. wind speed/rainfall monitor, 5. transformer power-off signals, 6. foam sprays fire extinguishing supervisor, 7. subregion selector valves, 8. Fire extinguishing distribution pipe, 9. electric jet control valves, 10. fix or mobile fire extinguishing branch pipe, 11. manual injection control valves, 12. bubble jets Mouth, 13. complete fixed froth installations, 14. foams and proportion mixer, 15. foam pumps, 16. fire water boxs, 17. oil extractions Pipe, 18. draining valves, 19. oil exit pipe machinery overhaul valves, 20. cut-off valves, 21. note nitrogen fire extinction pipelines, 22. nitrogen injecting valuas, 23. notes Nitrogen-oil extraction interlocking valve, 24. note nitrogen pipe machinery overhaul valves, 25. by protective, 26. conservators, 27. note nitrogen cabinets, 28. nitrogen cylinder groups, 29. nitrogen release device, 30. fire alarm control units, 31. linking fire controllers.

Embodiment

See Fig. 1,2, Explosion of Transformer fire fire extinguishing system composition structure

Fire position alarm positioning device is by contactless fire detector 1, contactless fire temperature position locator 2nd, transformer picture control probe 3 is constituted, and is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is popped one's head in by wind speed/rainfall monitor 4, transformer power-off signal 5, transformer picture control 3 compositions, are connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray put out a fire pipe network by fire extinguishing supervisor 6, subregion selector valve 7, fire extinguishing distribution pipe 8, electric jet control valve 9, Fixed or mobile fire extinguishing branch pipe 10, manual injection control valve 11, foam jet 12 are constituted, fire extinguishing supervisor 6 and complete foam fire-fighting Device outlet is connected；

Complete fixed froth installation is by equipment room 13, the foam being arranged in equipment room 13 and proportion mixer 14, bubble Foam pump 15, fire water box 16, fire water box 16 are connected by devices such as pipeline valve, pressure gauges with foam pump 15, foam pump 15 It is connected by pipeline with foam and proportion mixer 14, foam and the outlet of proportion mixer 14 connection fire extinguishing supervisor 6 are complete Fixed froth installation control circuit is connected with fire alarm control unit；

Oil extraction-cutout-note nitrogen pipeline is respectively by oil exit pipe 17, draining valve 18, oil exit pipe machinery overhaul valve 19, cut-off valve 20th, note nitrogen fire extinction pipeline 21, nitrogen injecting valua 22, note nitrogen-oil extraction interlocking valve 23, note nitrogen pipe machinery overhaul valve 24 are constituted, oil exit pipe one End is connected with by the top of protective 25, and one end access oil draining system, oil exit pipe is provided with oil exit pipe machinery overhaul valve 19, draining valve 18；Note nitrogen pipe one end is connected with note nitrogen fire-extinguishing apparatus, and one end is connected with by the note nitrogen mouthful of the bottom of protective 25；The He of top conservator 26 It is provided with communicating pipe between protective on cut-off valve 20, note nitrogen fire extinction pipeline 21 and is respectively equipped with note nitrogen pipe machinery overhaul valve 24th, note nitrogen-oil extraction interlocking valve 23, nitrogen injecting valua 22；

Note nitrogen fire-extinguishing apparatus be made up of note nitrogen cabinet 27, nitrogen cylinder group 28, nitrogen release device 29 etc., nitrogen release device with Nitrogen fire extinction pipeline 21 is noted to be connected；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit 30, linking fire controller 31 compositions.Connect the alarm positioning of fire position and external environment condition monitoring device, complete fixed froth installation, electric jet control Valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door etc.；

See Fig. 3 foam sprays fire extinguishing pipe network and note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline

Note nitrogen equipment and oil extraction-cutout-note nitrogen pipeline is different from existing note nitrogen fire extinguishing system, the utility model note nitrogen fire extinguishing Equipment is made up of note nitrogen cabinet 27, nitrogen cylinder group 28, nitrogen release device 29 etc., different from existing oil draining nitrogen filling device, this reality The home outside Explosion of Transformer influence of fire scope is arranged in new note nitrogen cabinet and foam spray equipment room, equipment simplifies The alarm of existing oil draining nitrogen filling device, blocking device, linkage, equipment join with foam-note nitrogen combined system fire alarm Movement controller is connected；Oil extraction-cutout-note nitrogen pipeline is respectively by oil exit pipe 17, draining valve 18, oil exit pipe machinery overhaul valve 19, disconnected Stream valve 20, note nitrogen fire extinction pipeline 21, nitrogen injecting valua 22, note nitrogen-oil extraction interlocking valve 23, note nitrogen pipe machinery overhaul valve 24 are constituted, oil extraction Pipe one end is connected with by the top of protective 25, and one end access oil draining system, oil exit pipe is provided with oil exit pipe machinery overhaul valve 19, oil extraction Valve 18, note nitrogen pipe one end is connected with note nitrogen fire-extinguishing apparatus, and one end is connected with by the note nitrogen mouthful of the bottom of protective 25, top conservator 26 and it is provided with cut-off valve 20 communicating pipe between protective, the pipe machinery inspection of note nitrogen is respectively equipped with note nitrogen fire extinction pipeline 21 Repair valve 24, note nitrogen-oil extraction interlocking valve 23, nitrogen injecting valua 22；

See Fig. 4, fire alarm positioner：Different from the alarm of existing transformer fire using cable formula fixed temperature detector or Other detectors, can only disposable fire alarm, it is impossible to resume combustion fire alarm, can not cause fire extinguishing to fire spots localization The whole shower nozzles of system are blindly while an ejecting extinguishing, to excessive without fiery position spray fire extinguishing agent, puts out a fire to fire extinguishing keypoint part Injection protection is inadequate, wastes extinguishing chemical, it is impossible to resume combustion fire of putting out a fire to save life and property, lasting fire；Existing unattended substation fire alarm Afterwards, it can not confirm to cause malfunction of alarming under automatic running mode, manually start under mode, unmanned starting problem is faced again；This reality Popped one's head in new setting by contactless fire detector+contactless fire temperature position locator+transformer picture control The fire position alarm positioning device of composition, contactless fire detector is general by point-type infrared flame-failure detector or other The fire detector composition of identity function, is installed in two, transformer outside diagonal；Contactless fire temperature position locator Infrared point temperature instrument or other infrared temperature measurement apparatus are generally used, is installed on transformer fire extinguishing system pipe network, each transformer High pressure, middle pressure three-phase are per phase sleeve pipe, neutral bushing, tap changer flange is corresponding with low-pressure side three-phase sleeve pipe base flange sets Put a non-contact infrared point Wen Yi；Transformer picture control probe, which is used, is separately provided or shares substation transformer figure As monitoring probe, outside Explosion of Transformer influence of fire scope, it is observed that the position of transformer whole sleeve pipe；Noncontact Formula fire detector 1, the contactless signal of fire locating detector 2 access fire alarm control unit, transformer picture control figure As signal access linking fire controller, display show fire alarm, each sleeve pipe infrared point temperature instrument temperature value of transformer and Transformer picture control imaging probe fire overlooks panoramic picture.

See Fig. 5, external environment condition monitoring device：Different from existing fire extinguishing system design specification limitation can only 2m/s wind speed with Under use, avoid negative heavy rain on fire extinguishing system extinguishing effect influence problem, be not inconsistent with practical service environment, the utility model from Save extinguishing chemical and play the change of angle setting wind speed/rainfall monitor, monitoring fire position and the rainfall of fire extinguishing system efficiency The external environment influence monitoring devices such as station service transformer picture control, transformer power-off signal, respectively to wind speed near the scene of a fire and Rainfall is measured and observed.Wind speed/rainfall monitor is arranged on the foam device roof in Explosion of Transformer fire safety evaluating region, Monitoring image is provided in that the position of the whole sleeve pipe weak parts of transformer can be observed outside Explosion of Transformer influence of fire scope. The wind speed of wind speed/rainfall monitor/rainfall signal, transformer power-off signal, transformer picture control image access fire connection Movement controller, wind speed/rainfall value, transformer power-off signal, fire alarm signal, transformation are shown in display entry condition region Each sleeve pipe infrared point temperature instrument temperature value of device, transformer picture control imaging probe fire panoramic picture.

See Fig. 6, Fig. 7, Fig. 8, fire alarm and linkage controller and correlation module

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit 30, linking fire controller 31 compositions.Default entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, general top fire Calamity position fire extinguishing control module, general side fire position fire extinguishing control module.

The fire extinguishing preferential fire suppression module of keypoint part：Different from existing transformer fire extinguishing system regardless of fire position, blast fire Calamity coverage, net fire effect, to fire extinguishing keypoint part protection wretched insufficiency, ignore the protection of fire general fire position and fire extinguishing The difference of keypoint part flame failure protection, regardless of primary and secondary blindly using spray fire extinguishing agent of whole shower nozzles, wastes limited go out Fiery agent, inevitable adjacent transformers, surrounding electrical equipment, cable produce working fire, continue fire, resume combustion fire damage, No-voltage of entire station may be directly resulted in, causes responsible consumer power failure to be lost indirectly, while also causing fire brigade's water fire-fighting to cause Transformer oil drain into station outside Environmental Pollution Loss and social influence loss；The utility model linkage controller sets fire extinguishing Keypoint part control module, to fire extinguishing keypoint part, first passes through the analysis of Explosion of Transformer influence of fire and determines that transformer presence is gone out Fiery keypoint part, according to fire detector+infrared point temperature instrument it is exceeded+monitoring image confirm fire concrete position, linkage fire extinguishing weight Position infrared point temperature instrument is exceeded and electric jet control valve for point, is preferentially put out a fire using limited extinguishing chemical：Usual wind speed rain The outer foam spraying and internal note nitrogen fire extinguishing system for starting fire extinguishing keypoint part when measuring up to standard simultaneously are put out a fire；Wind speed, rain Amount is exceeded, and the preferential note nitrogen fire extinguishing system that starts is put out a fire when not meeting froth fire extinguishing system entry condition；Moderate rain and 6m wind speed Restart foam spray fire extinguishing system fire extinguishing below.First fire infrared measurement of temperature multiple spot is exceeded, the warm instrument interlink electric injection control of point All open shower nozzle carries out ejecting extinguishing to valve processed, and secondary resume combustion fire, single-point or 2 thermometrics are exceeded, the warm instrument linkage fire extinguishing of point Keypoint part electric jet control valve partly open shower nozzle ejecting extinguishing, while controlling nitrogen-filling system to become a large amount of high temperature in device body The lasting resume combustion fire that depressor oil is formed carries out continued down fire extinguishing；The resume combustion fire that repeated, the warm instrument linkage fire extinguishing weight of point Point position electric jet control valve partly open shower nozzle injection is repeatedly put out a fire；During fire extinguishing, scene or by monitoring shadow As close observation fire attack effect, amendment fire extinguishing position fire extinguishing control error, using limited extinguishing chemical most to save fire extinguishing Agent, most efficient repeatedly fire-fighting mode emphasis put out a fire to save life and property resume combustion fire, continue fire.

See Fig. 9, control flow of putting out a fire：The utility model Explosion of Transformer fire fire extinguishing control flow, comprises the following steps： Confirm fire position → ring such as wind speed and rainfall from the beginning of fire → fire detector action → sound and light alarm → artificial or image Border influence measurement → exceeding system entry condition waits environmental condition to improve → judges whether keypoint part → fire extinguishing of putting out a fire Keypoint part wind speed and heavy rain situation preferentially start manual or telemechanical startup after note nitrogen fire extinguishing system → environmental condition is met and gone out The fiery preferential fire suppression module of keypoint part → startup outer foam system whole, part, the first 4min fire extinguishings → system of point injection are multiple Position → secondary resume combustion fire → fire detector action → sound and light alarm → artificial or image that continues confirms fire position → hand Dynamic or telemechanical starts outer foam atomization fire-extinguishing system and put out a fire according to fire position part, the secondary 4min of point injection, opens simultaneously Dynamic internal oil drainage note nitrogen fire extinguishing fire attack continues resume combustion fire.During in the absence of fire extinguishing keypoint part：Then start the general portion of fire Position top or side sleeve pipe fire fire suppression module → startup outer foam system whole, part, the first 4min of point injection put out a fire → System reset → secondary resume combustion fire → fire detector action → sound and light alarm → artificial or image that continues confirms fire portion Steep at the top of the position → startup or lasting resume combustion fire fire suppression module of side fire general place → manual or telemechanical startup outside Foam fire extinguishing system is sprayed secondary 10s according to fire position part, point and put out a fire, while starting internal oil drainage notes nitrogen fire extinguishing fire attack Continue resume combustion fire → repetition until fire extinguishing.

Claims

1. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system, it is characterised in that the system is alarmed by fire position Positioner, external environment condition monitoring device, foam spray fire extinguishing pipe network, complete fixed froth installation, oil extraction-cutout-note nitrogen pipe Road, reduced form note nitrogen fire-extinguishing apparatus and foam-note nitrogen combined system fire alarm coordinated signals with various control module Device is constituted, wherein：

Fire position alarm positioning device is by contactless fire detector (1), contactless fire temperature position locator (2), transformer picture control probe (3) composition, is connected with foam-note nitrogen combined system fire alarm linking controller；

External environment condition monitoring device is popped one's head in by wind speed/rainfall monitor (4), transformer power-off signal (5), transformer picture control (3) constitute, be connected with foam-note nitrogen combined system fire alarm linking controller；

Foam spray puts out a fire pipe network by fire extinguishing supervisor (6), subregion selector valve (7), fire extinguishing distribution pipe (8), electric jet control valve (9), fixed or mobile fire extinguishing branch pipe (10), manual injection control valve (11), foam jet (12) composition, fire extinguishing supervisor (6) with Complete fixed froth installation outlet is connected；

Complete fixed froth installation by equipment room (13), the foam being arranged in equipment room (13) and proportion mixer (14), Foam pump (15), fire water box (16), fire water box (16) are connected by pipeline valve, pressure gauge with foam pump (15), foam Pump (15) is connected by pipeline with foam and proportion mixer (14), foam and proportion mixer (14) outlet connection fire extinguishing It is responsible for (6), complete fixed froth installation control circuit is connected with fire alarm control unit；

Oil extraction-cutout-note nitrogen pipeline is respectively by oil exit pipe (17), draining valve (18), oil exit pipe machinery overhaul valve (19), cut-off valve (20), note nitrogen fire extinction pipeline (21), nitrogen injecting valua (22), note nitrogen-oil extraction interlocking valve (23), note nitrogen pipe machinery overhaul valve (24) group Into oil exit pipe one end is connected with by protective (25) top, and one end access oil draining system, oil exit pipe is provided with oil exit pipe machinery overhaul Valve (19), draining valve (18)；Note nitrogen pipe one end is connected with note nitrogen fire-extinguishing apparatus, one end and the note nitrogen mouthful by protective (25) bottom It is connected；Top conservator (26) and it is provided with the communicating pipe between protective on cut-off valve (20), note nitrogen fire extinction pipeline (21) point Nitrogen pipe machinery overhaul valve (24), note nitrogen-oil extraction interlocking valve (23), nitrogen injecting valua (22) She You not noted；

Note nitrogen fire-extinguishing apparatus be made up of note nitrogen cabinet (27), nitrogen cylinder group (28), nitrogen release device (29), nitrogen release device and Nitrogen fire extinction pipeline (21) is noted to be connected；

Foam-note nitrogen combined system fire alarm linking controller is by fire alarm control unit (30), linking fire controller (31) constitute, the alarm positioning of connection fire position and external environment condition monitoring device, complete fixed froth installation, electric jet control Valve, nitrogen filling fire extinguishing device, oil extraction-cutout-nitrogen injecting valua door.

2. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that fire Calamity position alarm positioning device is by contactless fire detector (1), contactless fire temperature position locator (2), transformation Device picture control probe (3) composition；Contactless fire detector is made up of point-type infrared flame-failure detector, is installed in transformer Two, outside is diagonal；Contactless fire temperature position locator uses infrared point temperature instrument or other infrared temperature measurement apparatus, dress It is located on transformer fire extinguishing system pipe network, each transformer high-voltage, middle pressure three-phase are per phase sleeve pipe, neutral bushing, tap changer A non-contact infrared point Wen Yi is correspondingly arranged at flange and low-pressure side three-phase sleeve pipe base flange；Transformer picture control is visited Head is separately provided or shared substation transformer picture control probe, outside Explosion of Transformer influence of fire scope, energy It was observed that the position of transformer whole sleeve pipe；Contactless fire detector (1), contactless fire locating detector (2) letter Number, transformer fire panoramic picture access fire alarm control unit.

3. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that outer Portion's environment monitoring device is by wind speed/rainfall monitor (4), transformer power-off signal (5), transformer picture control probe (3) group Into, wind speed/rainfall monitor (4) is arranged on the complete fixed froth installation equipment roof in Explosion of Transformer fire safety evaluating region, Wind speed and rainfall measurement signal, transformer power-off signal, the transformer environment panoramic picture of wind speed/rainfall monitor access fire Calamity linkage controller.

4. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that bubble Foam spraying fire extinguishing pipe network is by fire extinguishing supervisor (6), subregion selector valve (7), fire extinguishing distribution pipe (8), electric jet control valve (9), solid Fixed or mobile fire extinguishing branch pipe (10), manual injection control valve (11), foam jet (12) composition, fire extinguishing supervisor (6) and complete bubble The outlet of foam sprayer unit is connected, subregion selector valve (7) connection different subregions transformer fire extinguishing pipe network, connects and goes out after subregion selector valve Fiery distribution pipe and fire extinguishing branch pipe, every fixed fire extinguishing branch pipe set an electric jet control valve, electric jet control valve and set Fire alarm positioning infrared point temperature instrument is in interaction relation at pipe, is connected with alarm linkage controller, is connected on fixed fire extinguishing branch pipe Fire extinguishing stationary nozzle, stationary nozzle is arranged in around transformer body；Removable branch pipe is arranged on easily produces change in transformer The vicinity of depressor oil splash working fire, mobile branch pipe sets manual injection control valve and shower nozzle.

5. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that pipe Road is respectively by oil exit pipe (17), draining valve (18), oil exit pipe machinery overhaul valve (19), cut-off valve (20), note nitrogen fire extinction pipeline (21), nitrogen injecting valua (22), note nitrogen-oil extraction interlocking valve (23), note nitrogen pipe machinery overhaul valve (24) composition, note nitrogen pipeline one terminate note Nitrogen fire-extinguishing apparatus, one end access transformer body bottom note nitrogen mouthful, oil-drain pipe one end access upper part of transformer body, a termination Enter transformer oil draining system；Mechanical oil extraction service valve is added on oil-drain pipe, note nitrogen pipeline adds machinery note nitrogen maintenance Valve and electronic note nitrogen-oil extraction interlocking valve, draining valve, cut-off valve, nitrogen injecting valua, interlocking valve are connected with fire alarm linking controller.

6. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that note Nitrogen fire-extinguishing apparatus is made up of note nitrogen cabinet (27), nitrogen cylinder group (28), nitrogen release device (29), different from existing oil draining nitrogen filling Device, note nitrogen cabinet is arranged in the home outside Explosion of Transformer influence of fire scope with foam spray equipment room, and equipment simplifies The alarm of existing oil draining nitrogen filling device, blocking device, linkage, equipment join with foam-note nitrogen combined system fire alarm Movement controller is connected.

7. a kind of novel transformer explosive fire accident foam-note nitrogen fire extinguishing system according to claim 1, it is characterised in that control Device processed is alarmed with fire position to be positioned and external environment condition monitoring device, complete fixed froth installation, electric jet control valve, note nitrogen Extinguishing device, oil extraction-cutout-nitrogen injecting valua door are connected, electric jet control valve and fire alarm positioning infrared point temperature instrument at sleeve pipe Interaction relation is set to, entry condition control module, in short-term multi-injection module, fire extinguishing keypoint part priviledge module, one is preset As top fire position fire extinguishing control module, general side fire position fire extinguishing control module.