CN104689499A - Device for detecting and filling accessory of fire preventing and extinguishing system of airplane - Google Patents
Device for detecting and filling accessory of fire preventing and extinguishing system of airplane Download PDFInfo
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- CN104689499A CN104689499A CN201510076942.2A CN201510076942A CN104689499A CN 104689499 A CN104689499 A CN 104689499A CN 201510076942 A CN201510076942 A CN 201510076942A CN 104689499 A CN104689499 A CN 104689499A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/08—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a device for detecting and filling an accessory of a fire preventing and extinguishing system of an airplane. The device mainly comprises a hydraulic system, a nitrogen system, a fire prevention system, a fire-extinguishing system, an accessory testing system, a water cooling system and an industrial control system, wherein the hydraulic system is used for performing a pressure test on a fire preventing and extinguishing bottle; the nitrogen system is used for performing an air tight test on the fire preventing and extinguishing bottle; the fire-extinguishing system is used for filling carbon dioxide into a fire prevention bottle; the fire prevention system is used for filling a fire extinguishing agent into a fire-extinguishing bottle; the accessory testing system is used for checking the accessory of the fire preventing and extinguishing system; the water cooling system is used for cooling a heated gas which is compressed by a filling pump; and the industrial control system is used for automatically controlling the hydraulic system, the nitrogen system, the fire prevention system, the fire-extinguishing system, the accessory testing system and the water cooling system to perform detection and filling operations, thereby realizing operations of filling a fire preventing and extinguishing agent and comprehensively testing all accessory performance indexes of the airplane, and meeting requirements for regular checking, troubleshooting, new product installation checking and repair work of the airplane and an engine.
Description
Technical field
The present invention relates to a kind of fire extinguishing system annex checkout gear, specifically, relate to a kind of aircraft fire extinguishing system attachment and detect and device for filling.
Background technology
Fire extinguishing system is divided into aircraft system and engine interior fire extinguishing system two parts, in order to find and to put out the burning things which may cause a fire disaster of engine nacelle, wing tank cabin, turbine starter generator cabin, APU cabin, auxiliary fuel tank cabin, front and back and the easiest fire location of engine interior.In addition, in cabin, have 4 portable fire-suppression bottles, in order to put out the burning things which may cause a fire disaster in passenger cabin.
Fire extinguishing system adopts 1211 extinguishing chemicals.This liquid-state extinguishing agent by fire-suppression bottle through check valve, air pressure electromagnetic valve, from playpipe spray, be atomized into gas, sweat cooling, and can play chemical scission of link effect, it is combined with hydrogen atom and prevents chemical chain reaction, thus reaches the object of fire extinguishing.
The function of aircraft fire extinguishing system is when aircraft flight, and oil dropping apparatus fills dehydration carbon dioxide, fuel oil and air is separated, and makes to form explosion-proof medium in fuel tank, thus improves the security of fuel system.When airplane emergency glides, strengthening each to organizing fuel tank at most, to increase the pressure on oil consumption pasta, thus improving the reliability of fuel feeding.In addition, neutral gas system also can enter fire extinguishing system and help fire extinguishing.
When aircraft is anti-, fire extinguishing system produces fault, annex can only one integral piece depot repair or filling.Because fire-suppression bottle belongs to explosives, there is particular/special requirement to transport, cause overhaul period long, have a strong impact on the serviceability rate of aircraft.Especially air pressure electromagnetic valve fault and fire alarm system spurious signal cause fire-suppression bottle pressure or extinguishing chemical release, cause difficulty, affect the normal training of aircraft and completing of task to flight support.
Therefore, a kind of combination property of urgent need development is strong, function admirable, aircraft fire extinguishing system attachment that is safe and reliable, easy to operate and that be convenient to safeguard detect and device for filling, all significant to improving airplane readiness, guaranteeing aircraft safety and improving combat effectiveness of the troops.
Summary of the invention
The object of this invention is to provide a kind of aircraft fire extinguishing system attachment to detect and device for filling, realize the filling of aircraft fire-prevention extinguishing agent and all annex performance indications integration test operations, meet the requirement of aircraft and engine regular inspection, troubleshooting, new product installation School Affairs repair work.
Technical scheme of the present invention is: aircraft fire extinguishing system attachment detects and device for filling, this device forms primarily of hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro, water cooling system and industrial control system, described hydraulic system is communicated with by the test splice of high-pressure hose with fire extinguishing bottle, carries out withstand voltage test to fire extinguishing bottle; Described nitrogen system is communicated with by the test splice of high-pressure hose with fire extinguishing bottle, carries out air-tight test to fire extinguishing bottle; Described fire extinguishing system is communicated with extinguishing agent storage tank by high-pressure hose, and extinguishing agent storage tank is communicated with fire-suppression bottle through hand switch, to fire-prevention bottle filling extinguishing chemical; Described fire prevention system is communicated with fire-prevention bottle by high-pressure hose, to fire-prevention bottle filling carbon dioxide; Connect fire extinguishing system attachment between the high-pressure hose interface end of described annex test macro and high pressure DCF interface or low pressure KJY interface, the high pressure gauge be provided with by annex test macro and low-pressure meter display force value, verified fire extinguishing system attachment; Described water cooling system is arranged on filling pump main road, cools the elevated temperature gas after the contracting of filling pump pressure; Described industrial control system and hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro and water cooling system are electrically connected, and automatic hydraulic control system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro and water cooling system carry out detecting and packing job.
The present invention's beneficial effect is compared with prior art:
Aircraft fire extinguishing system attachment detect and device for filling adopt computerized control and Fluid-transmission technology combine, put forth effort to realize the intellectuality of annex detection means and the automation of extinguishing chemical filling, solve aircraft maintenance ensure in for want of fire extinguishing system attachment testing equipment and the difficult problem of performance test and fire-prevention extinguishing agent filling can not be carried out; Industrial control system is electrically connected with hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro and water cooling system respectively, adopt the sensor of each system of PLC control test device for filling, switch and magnetic valve, complete the data acquisition of whole test device for filling, control and output control instruction, complete test assignment, improve functional reliability; And can the technical parameter of the whole test process of real time record, the measured data gathered and normal data are compared, automatically carries out the judgement of state of the art; And the test of Multiple Type aircraft fire extinguishing system attachment and fire-prevention extinguishing agent filling task can be born by arranging, inputting different technical parameters, ensure that this equipment has stronger versatility and autgmentability.
Accompanying drawing explanation
Fig. 1 is hydraulic system structure schematic diagram;
Fig. 2 is nitrogen system structural representation;
Fig. 3 is fire extinguishing system structural representation;
Fig. 4 is fire prevention system structural representation;
Fig. 5 is high pressure DCF interface diagram;
Fig. 6 is low pressure KJY interface diagram;
Fig. 7 is water cooling system structural representation.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtain under the prerequisite of not making creative work, all belongs to protection scope of the present invention.
Embodiment 1
Fire extinguishing system attachment comprises 1. fire extinguishing bottle, 2. pressure reducer, 3. air pressure electromagnetic valve, 4. fire extinguishing system ordinary attachments and 5. fire extinguishing system electrical annex;
1. fire extinguishing bottle
The fire extinguishing bottle of aircraft fire extinguishing system comprises fire-suppression bottle, portable fire-suppression bottle, spherical fire-suppression bottle and neutral gas bottle.Wherein, fire-suppression bottle, portable fire-suppression bottle, spherical fire-suppression bottle are referred to as fire-suppression bottle, and neutral gas bottle is called fire-prevention bottle.
The function of fire-suppression bottle is for storing extinguishing chemical and being used for putting out a fire, and primarily of housing, lock machine and extinguishing chemical composition, main technical detail is see table 1:
Table 1 is the important technological parameters of fire-suppression bottle
The function of portable fire-suppression bottle is for storing extinguishing chemical and being used for putting out a fire, and primarily of housing, lock machine and extinguishing chemical composition, portable fire-suppression bottle main technical detail is see table 2:
Table 2 is the important technological parameters of portable fire-suppression bottle
| Title | Specifications parameter |
| Fire-suppression bottle volume | 2.3L |
| Extinguishing chemical | Dehydration dehydration carbon dioxide |
| Extinguishing chemical gross weight | 6.5±0.1kg |
| Fire-suppression bottle weight | ≤3.3kg |
| Fire-suppression bottle gross weight after filling | ≤6.5kg |
| Maximum working pressure (MWP) | ≤16.66MPa |
| The test pressure of lock machine housing when valve is closed | 20.05MPa |
| The breakdown pressure of insurance film | 17.64±1.96MPa |
| Detonating primer | DF-1 |
| Voltage in detonating primer circuit | 27±10％V |
| Minimum voltage needed for detonating primer explosion (when 20 DEG C) | 12～14V |
| The insulaion resistance of current-carrying part and housing under normal operation | ≥20MΩ |
| Operating temperature | -40～60℃ |
Spherical fire-suppression bottle is used to put out in engine, the burning things which may cause a fire disaster in the easiest region on fire in rear bearing lubricating cavity and accessory drive casing chamber, 8 spherical fire-suppression bottles are fixed on by 4 shock absorbers on the bearing of the left and right sides of engine nacelle front portion 2 ~ 3 frame, and its main technical detail is see table 3:
Table 3 is the important technological parameters of spherical fire-suppression bottle
The function of neutral gas bottle is storage dehydration carbon dioxide extinguishing agent, and oil dropping apparatus conveying dehydration carbon dioxide in-flight, in case on fire, also can be used for fire extinguishing system fire extinguishing if desired.Neutral gas bottle is installed on fuselage rear 59 ~ 62 frame both sides, and all neutral gas bottles are connected in parallel, and has two outlets, and an outlet is used for oil dropping apparatus and leads to neutral gas, and another outlet is for being communicated with fire extinguishing system.The main technical detail of neutral gas bottle is see table 4:
Table 4 is the important technological parameters of neutral gas bottle
| Title | Specifications parameter |
| Gas cylinder height | 655-20～655+13mm |
| Gas cylinder diameter | 172±2mm |
| Gas cylinder volume | 8L |
| Charges | Dehydration dehydration carbon dioxide |
| Charges weight | 5.7±0.1kg |
| Gas cylinder weight | 11+1.5kg |
| Gross weight after filling | ≤18.3kg |
| Maximum working pressure (MWP) | ≤16.66MPa |
| Fire extinguishing system flow area diameter | 12mm |
| Neutral gas system enters the flow area diameter of fuel tank | 3mm |
| Through neutral gas bottle ozzle (not carrying pipe) at-40 DEG C time, release the time | ≤8s |
| The breakdown pressure of insurance film | 19.6±1.96MPa |
| Insurance film breaks automatic deflation temperature | ＞50℃ |
| Detonating primer | DF-1 |
| Voltage in detonating primer circuit | 27±3V |
| Minimum voltage needed for detonating primer explosion (when 20 DEG C) | 12～14V |
Pressure reducer is communicated with fuel tank with neutral gas bottle, and its function is that the pressure of the neutral gas of neutral gas bottle is reduced to 0.294-0.069 ~ 0.294+0.078MPa from 14.7Mpa, then sprays into fuel tank.
2. pressure reducer
The main technical detail of pressure reducer is see table 5:
Table 5 is the important technological parameters of pressure reducer
| Title | Specifications parameter |
| Inlet pressure | 655-20～655+13mm |
| Outlet pressure | 172±2mm |
| Safety valve opens pressure | 8L |
| Working media temperature | Dehydration dehydration carbon dioxide |
| Environment temperature | |
| When outlet pressure is the gas flow of 0.294-0.069 ~ 0.294+0.078MPa | ≥1500L/h |
| Weight | ≤0.86kg |
3. air pressure electromagnetic valve
Air pressure electromagnetic valve comprises two kinds altogether, and one is communicated with fire-suppression bottle, and distribute supply extinguishing chemical for fire-suppression bottle all kinds of in aircraft, another kind is communicated with fire-prevention bottle, is used to the supply of cut-out and connection dehydration carbon dioxide.
4. fire extinguishing system ordinary attachments
Fire extinguishing system ordinary attachments comprises oil drain cock, two check valve and check valve, and oil drain cock is installed on sedimentation basin, opens oil drain cock after flight, is bled off by the fuel oil in sedimentation basin; Two check valve is installed on engine; Check valve is arranged on the fire-fighting pipeline of fire extinguishing bottle.
5. fire extinguishing system electrical annex
Fire extinguishing system electrical annex comprises fire perceiving device, control box and fire alarm system, fire perceiving device is installed on the place that engine nacelle, left and right wing and WDZ-1 cabin content are easily caught fire, and be electrically connected with polar relay in control box, control box and fire alarm system are electrically connected.
Aircraft fire extinguishing systems axiol-ogy device for filling forms primarily of hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro, water cooling system and industrial control system.Realize to 1. above-mentioned ~ 5. in fire extinguishing system attachment carry out checkout facility after the strength test of fire extinguishing bottle bottle, air seal test, the filling of extinguishing chemical and filling.
Hydraulic system mainly carries out withstand voltage test to the bottle of fire extinguishing bottle, i.e. strength test, and whether existing defects and indices meet the requirements to check bottle.
See Fig. 1, hydraulic system mainly comprises fuel tank 113, oil suction filter 101, ball valve 102, hand pump 103, check valve 104, high-voltage switch gear 105, pressurize switch 106, Pressure gauge 107, resistance to aluminium hydraulic pressed connecting pipe chew 108 and high-pressure hose 115, and the fluid in fuel tank 113 is chewed 108 be communicated with fire extinguishing bottle with high-pressure hose 115 by oil suction filter 101, ball valve 102, hand pump 103, check valve 104, pressurize switch 106, Pressure gauge 107, resistance to aluminium hydraulic pressed connecting pipe successively.Wherein, high-voltage switch gear 105 is arranged between fuel tank 113 and check valve 104 port of export.The top of fuel tank 113 is communicated with work oil sump 109 by oil return filter 110.The upper end of fuel tank 113 is provided with oil filler 111, and the side, lower end of fuel tank 113 is provided with fuel outlet ball valve 114.Fuel tank 113 inside is also provided with the liquid level gauge 112 of display fluid liquid level.
The method of operating of strength test is:
The test splice of fire extinguishing bottle bottle to be measured is connected with high-pressure hose 115, opens ball valve 102 and pressurize switch 106, close high-voltage switch gear 105.Start hand pump 103 hydraulic oil in fuel tank 113 to be pressed in fire extinguishing bottle to be measured, when pressure reaches test pressure in fire extinguishing bottle to be measured, close pressurize switch 106, carry out follow-up test.
If pressure exceedes test pressure accidentally in fire extinguishing bottle to be measured, open pressurize switch 106, heighten slowly and compress switch 105, when pressure reaches test pressure in fire extinguishing bottle to be measured, close pressurize switch 106.
If find in process of the test there is seepage or distortion in fire extinguishing bottle bottle, should open pressurize switch 106 immediately and high-voltage switch gear 105 pairs of bottles carry out release.
After completing test, unlatching pressurize switch 106 and high-voltage switch gear 105 pairs of fire extinguishing bottles carry out release oil return, and after the complete release of bottle, fire extinguishing bottle and hydraulic system are disconnected, oil sump poured into by excess oil.By the industrial alcohol washes of fire extinguishing bottle of test passes, and dry up rear stand-by with drying nitrogen.The test requirements document that table 6 makes a strength test to different preventing fire-suppression bottle for adopting hydraulic system.
The test requirements document that table 6 makes a strength test for different preventing fire-suppression bottle
Nitrogen system, mainly to the air-tight test of fire extinguishing bottle, checks whether bottle air-tightness meets the requirements.
See Fig. 2, nitrogen system forms primarily of nitrogen cylinder 201, check valve 205, magnetic valve 207-1, air filter 208, pressure transmitter 209, hand switch 211, adjustable pressure-reducing valve 212, safety valve 215, magnetic valve 218, pressure transmitter 213, magnetic valve 227, check valve 228, magnetic valve 237, filling pump 238, set switch 239, gs-oil separator 240, check valve 241, safety valve 242, magnetic valve 244, pressure transmitter 229, high-voltage switch gear 233, high-pressure hose interface end 235.
Nitrogen point three paths outputs after check valve 205, magnetic valve 207-1, air filter 208 and pressure transmitter 209 successively in nitrogen cylinder.One tunnel is communicated with fire extinguishing bottle to be measured through hand switch 211, adjustable pressure-reducing valve 212, safety valve 215, magnetic valve 218, pressure transmitter 213 and high-pressure hose interface end 219; One tunnel is communicated with fire extinguishing bottle to be measured through magnetic valve 237, filling pump 238 or set switch 239, gs-oil separator 240, check valve 241, safety valve 242, magnetic valve 244, pressure transmitter 229, high-voltage switch gear 233, high-pressure hose interface end 235; One tunnel is communicated with fire extinguishing bottle to be measured through magnetic valve 227, check valve 228, magnetic valve 244, pressure transmitter 229, high-voltage switch gear 233, high-pressure hose interface end 235.
The method of operating that nitrogen system carries out air tightness test is:
Fire extinguishing bottle to be measured and above-mentioned nitrogen system are connected, suitable nitrogen TCH test channel is chosen according to the withstand voltage of fire extinguishing bottle to be measured, if gas pressure is much larger than the withstand voltage of fire extinguishing bottle to be measured in current nitrogen cylinder, then fire extinguishing bottle to be measured is communicated with high-pressure hose interface end 219, open nitrogen cylinder 201, and open magnetic valve 207-1, hand switch 211 and magnetic valve 218, air tightness test is carried out to fire extinguishing bottle; If gas pressure is greater than or less than the withstand voltage of fire extinguishing bottle to be measured in current nitrogen cylinder, then fire extinguishing bottle to be measured is communicated with high-pressure hose interface end 235, opens solenoid valve 237, filling pump 238 and magnetic valve 244 or opens solenoid valve 227, carry out air tightness test to fire extinguishing bottle.Fire extinguishing bottle to be measured need be placed in water tank completely during air tightness test, observe bottle and whether leak gas.If find, bottle gas leakage need be ressembled, and re-starts air-tight test, until it is air tight to record bottle.Test terminates nitrogen in rear releasing fire extinguishing bottle, the bottle that air-tightness is qualified, removes surface moisture stand-by.The test requirements document that table 7 makes a strength test to different preventing fire-suppression bottle for adopting hydraulic system.
Table 7 carries out the test requirements document of air-tight test for fire extinguishing bottle
See Fig. 3, fire extinguishing system is mainly used in all kinds of fire-suppression bottle filling extinguishing chemical, automatically controls to the weight of extinguishing chemical, then carries out supercharging, the weight of fire-suppression bottle and pressure are met the requirements.The structure composition of fire extinguishing system forms substantially identical with the structure of nitrogen system, difference is: fire extinguishing system also comprises extinguishing agent storage tank 221 and hand switch 223, high-pressure hose interface end 219 is communicated with fire-suppression bottle with hand switch 223 by extinguishing agent storage tank 221, fills extinguishing chemical to fire-suppression bottle.Extinguishing agent storage tank 221 can adopt bivalve 1211 holding vessel and single valve 1211 holding vessel.
Fire extinguishing system employing bivalve 1211 holding vessel to the course of work that fire-suppression bottle carries out filling extinguishing chemical is:
1) all switches of shutdown system, lie in a horizontal plane in bivalve 1211 holding vessel on ground, filling area, make two valves be placed in position one on the other;
2) upper valve is communicated with high-pressure hose interface end 219 by high-pressure hose, and lower valve is connected with fire-suppression bottle to be filled, and is positioned on electronic scale by fire-suppression bottle to be filled;
3) nitrogen cylinder 201 is opened, adjustment adjustable pressure-reducing valve 212, by pressure adjusting in normal range (NR), be generally 0.45 ~ 0.99MPa, and open magnetic valve 207-1, hand switch 211, hand switch 223 and magnetic valve 218, filling extinguishing chemical is carried out to fire-suppression bottle, observes line pressure by Pressure gauge 214.Observe electronic scale reading, after extinguishing chemical loading arrives setting, close all switches and valve, take off fire-suppression bottle.
Fire extinguishing system employing single valve 1211 holding vessel to the course of work that fire-suppression bottle carries out filling extinguishing chemical is:
1) all switches of shutdown system, are communicated with the valve of single valve 1211 holding vessel with high-pressure hose interface end 219 by high-pressure hose;
2) open nitrogen cylinder 201, adjustment adjustable pressure-reducing valve 212, by pressure adjusting within the scope of 1.5 ~ 2MPa, and opens magnetic valve 207-1, hand switch 211 and magnetic valve 218, carries out supercharging, till pressure balance to fire-suppression bottle;
3) valve of single valve 1211 holding vessel and high-pressure hose interface end 219 are disconnected, and the valve of single valve 1211 holding vessel is connected with fire-suppression bottle to be filled, fire-suppression bottle to be filled is positioned on electronic scale, single valve 1211 holding vessel is inverted simultaneously, open hand switch 223, extinguishing chemical is filled to fire-suppression bottle, observe electronic scale reading, after extinguishing chemical loading arrives setting, close all switches and valve, take off fire-suppression bottle.
If the extinguishing chemical of filling is overweight, unnecessary extinguishing chemical should be released, releasing extinguishing chemical method is:
Be filled with drying nitrogen in fire-suppression bottle, then gas cylinder is weighed separately, and be fixed on outdoor fixture by firm for gas cylinder, slowly loosening pressed bolt, unnecessary extinguishing chemical is released from bottle ozzle, then with the tight lock machine head of handwheel, and weigh separately till the weight that conforms with the regulations.
After extinguishing chemical filling completes, bottle pressure is undesirable, also needs to carry out supercharging to fire-suppression bottle, and the process of supercharging is:
The fire-suppression bottle of having filled is communicated with high-pressure hose interface end 235, be communicated with the low pressure nitrogen gas cylinder 201 that pressure limit is 3 ~ 5MPa, start filling pump 238 pairs of fire-suppression bottles and carry out supercharging, observe the manometric numerical value be connected with fire-suppression bottle, when being pressurized to specified value, close all switches, sand off.
The test requirements document that table 8 makes a strength test to different preventing fire-suppression bottle for adopting hydraulic system.
Table 8 carries out the test requirements document of filling for fire-suppression bottle
Fire prevention system mainly to fire-prevention bottle filling dehydration carbon dioxide, makes it supercharging, and meets instructions for use.
See Fig. 4, the structure composition of fire prevention system forms substantially identical with the structure of nitrogen system, difference is: fire prevention system is provided with carbon dioxide cylinder 202, check valve 206, magnetic valve 207-2, i.e. gas point two paths outputs after check valve 206, magnetic valve 207-2, air filter 208 and pressure transmitter 209 successively in carbon dioxide cylinder 202.One tunnel is communicated with fire-prevention bottle to be measured through magnetic valve 237, filling pump 238 or set switch 239, gs-oil separator 240, check valve 241, safety valve 242, magnetic valve 244, pressure transmitter 229, high-voltage switch gear 233, high-pressure hose interface end 235; One tunnel is communicated with fire-prevention bottle to be measured through magnetic valve 227, check valve 228, magnetic valve 244, pressure transmitter 229, high-voltage switch gear 233, high-pressure hose interface end 235.
The course of work of fire prevention system filling carbon dioxide extinguishing agent is:
1) adopt high-pressure hose to be communicated with high-pressure hose interface end 235 by fire-prevention bottle to be measured, fire-prevention bottle to be measured is placed on electronic scale, closes all system switchings;
2) open carbon dioxide cylinder 202 switch, open magnetic valve 207-2, magnetic valve 237, set switch 239 and magnetic valve 244, in carbon dioxide cylinder 202, gas flows in fire-prevention bottle automatically, in fire-prevention bottle till pressure balance;
3) closure set combination switch 239, opens filling pump 238 pairs of fire-prevention bottles and inflates, observe electronic scale reading, when reaching the carbon dioxide weight that regulation is filled, closing high-voltage switch gear 233, stopping filling pump 238;
4) all switches of shutdown system, bleed off residual air in pipeline, unload fire-prevention bottle.
The test requirements document that table 9 makes a strength test to different preventing fire-suppression bottle for adopting hydraulic system.
Table 9 carries out the test requirements document of filling for fire-prevention bottle
Annex test macro, mainly to the verification of pressure reducer, air pressure electromagnetic valve, fire extinguishing system ordinary attachments and fire extinguishing system electrical annex, automatically controls and checks whether the performance parameter of above-mentioned annex meets technical requirement.The structure composition of annex test macro forms substantially identical with the structure of Fig. 2 nitrogen system, and difference is: annex test macro is also provided with high pressure DCF interface 246, low pressure KJY interface 249, high pressure gauge 247, low-pressure meter 250, high-voltage switch gear 248 and low tension switch 251.Wherein, high pressure gauge 247 shows the force value of high pressure DCF interface 246, and the measurement category of high pressure gauge 247 is 0-40MPa; Low-pressure meter 250 shows the force value of low pressure KJY interface 249, and the measurement category of low-pressure meter 250 is 0-1.6MPa.
During measurement, pressure reducer, air pressure electromagnetic valve, fire extinguishing system ordinary attachments are connected with the high-pressure hose interface end 219 of Fig. 2 nitrogen system and high-pressure hose interface end 235 with one end of fire extinguishing system electrical annex, pressure reducer, air pressure electromagnetic valve, fire extinguishing system ordinary attachments are connected with the high pressure DCF interface 246 of Fig. 5 or Fig. 6 mesolow KJY interface 249 with the other end of fire extinguishing system electrical annex, automatically control and check whether the performance parameter of above-mentioned annex meets technical requirement.
Water cooling system realizes the elevated temperature gas after to the contracting of filling pump pressure and cools, and makes it meet technical requirement.See Fig. 7, water cooling system forms primarily of water cooler 301, water-gas-heat exchanger 302, high-pressure spiral stainless steel pipe 303, cooling water intake 304, cooling water outlet 305, high pressure admission mouth 306, high pressure outlet air mouth 307, water temperature transmitter 308 and water pump water outlet Pressure gauge 309.
It is inner that high-pressure spiral stainless steel pipe 303 and water temperature transmitter 308 are all arranged at water-gas-heat exchanger 302, and high-pressure spiral stainless steel pipe 303 is arranged between high pressure admission mouth 306 and high pressure outlet air mouth 307, the upper and lower of water-gas-heat exchanger 302 is respectively equipped with cooling water intake 304 and cooling water outlet 305, be provided with water cooler 301 between cooling water outlet 305 and cooling water intake 304, water pump water outlet Pressure gauge 309 is for showing water cooler 301 water outlet water temperature.Water cooling system and industrial control system are electrically connected, and industrial control system carries out temperature control by controlling water cooling system to filling medium, ensures filling quality.
Industrial control system is electrically connected with above-mentioned hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro and water cooling system respectively.Industrial control system adopts PLC, PLC is electrically connected by the sensor of switching value and analog input and output passage and each system of this test device for filling, switch and magnetic valve, complete the data acquisition of whole test device for filling, control and output control instruction, complete test assignment.
The external structure of aircraft fire extinguishing systems axiol-ogy device for filling forms primarily of casing, main control surface plate, airtight test pool, console, electric control box and interface, main control surface plate, airtight test pool and console are installed on the front portion of casing, the front lower ends of casing is provided with chamber door, the pumping plant of the built-in fire prevention system of chamber door and fire extinguishing system, pressure test end and flow rate test end; Be provided with ground charging connector and dehydration carbon dioxide charging connector on the left of casing, ground charging connector is communicated with nitrogen cylinder by high-pressure hose; Dehydration carbon dioxide charging connector is communicated with extinguishing agent storage tank by high-pressure hose; Be electric control box on the left of casing, in electric control box, be provided with the electrical outlets connecting fire extinguishing system attachment.
Those skilled in the art can understand the schematic diagram that accompanying drawing is only a preferred embodiment, and the structure composition in accompanying drawing might not be that enforcement the present invention is necessary.
It is last it is noted that above embodiment is only for illustration of technical scheme of the present invention, but not be limited, although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. aircraft fire extinguishing system attachment detects and device for filling, it is characterized in that: this device primarily of fire extinguishing bottle is carried out the hydraulic system of withstand voltage test, the nitrogen system to the air-tight test of fire extinguishing bottle, the fire prevention system to fire-prevention bottle filling carbon dioxide, to the fire extinguishing system of fire-suppression bottle filling extinguishing chemical, the annex test macro verified fire extinguishing system attachment, the water cooling system cooled the elevated temperature gas after the contracting of filling pump pressure and industrial control system composition; Described hydraulic system is communicated with respectively by the test splice of high-pressure hose with fire extinguishing bottle with described nitrogen system; Described fire extinguishing system is communicated with extinguishing agent storage tank by high-pressure hose, and extinguishing agent storage tank is communicated with fire-suppression bottle through hand switch; Described fire prevention system is communicated with fire-prevention bottle by high-pressure hose; Fire extinguishing system attachment is connected, the high pressure gauge be provided with by annex test macro and low-pressure meter display force value between the high-pressure hose interface end of described annex test macro and high pressure DCF interface or low pressure KJY interface; Described water cooling system is arranged on filling pump main road; Described industrial control system and hydraulic system, nitrogen system, fire prevention system, fire extinguishing system, annex test macro and water cooling system are electrically connected.
2. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described hydraulic system mainly comprises fuel tank (113), oil suction filter (101), ball valve (102), hand pump (103), check valve (104), high-voltage switch gear (105), pressurize switch (106), Pressure gauge (107), resistance to aluminium hydraulic pressed connecting pipe chews (108) and high-pressure hose (115), and the fluid in fuel tank (113) is successively by oil suction filter (101), ball valve (102), hand pump (103), check valve (104), pressurize switch (106), Pressure gauge (107), resistance to aluminium hydraulic pressed connecting pipe is chewed (108) and is communicated with fire extinguishing bottle with high-pressure hose (115), wherein, high-voltage switch gear (105) is arranged between fuel tank (113) and check valve (104) port of export, the top of fuel tank (113) is communicated with work oil sump (109) by oil return filter (110), the upper end of fuel tank (113) is provided with oil filler (111), the side, lower end of fuel tank (113) is provided with fuel outlet ball valve (114), and fuel tank (113) inside is also provided with the liquid level gauge (112) of display fluid liquid level.
3. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described nitrogen system is primarily of nitrogen cylinder (201), check valve (205), magnetic valve (207-1), air filter (208), pressure transmitter (209), hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (213), magnetic valve (227), check valve (228), magnetic valve (237), filling pump (238), set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235) forms, in nitrogen cylinder, nitrogen divides three paths to export successively after check valve (205), magnetic valve (207-1), air filter (208) and pressure transmitter (209), one tunnel is communicated with fire extinguishing bottle to be measured with high-pressure hose interface end (219) through hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (213), one tunnel is communicated with fire extinguishing bottle to be measured through magnetic valve (237), filling pump (238) or set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235), one tunnel is communicated with fire extinguishing bottle to be measured through magnetic valve (227), check valve (228), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235).
4. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described fire extinguishing system is primarily of nitrogen cylinder (201), check valve (205), magnetic valve (207-1), air filter (208), pressure transmitter (209), hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (213), magnetic valve (227), check valve (228), magnetic valve (237), filling pump (238), set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235), extinguishing agent storage tank (221) and hand switch (223) composition, nitrogen point three paths outputs after check valve (205), magnetic valve (207-1), air filter (208) and pressure transmitter (209) boosting successively in nitrogen cylinder, one tunnel is communicated with fire extinguishing bottle to be measured with high-pressure hose interface end (219) through hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (233), one tunnel is communicated with fire extinguishing bottle to be measured through magnetic valve (237), filling pump (238) or set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235), one tunnel is communicated with high-pressure hose interface end (235) through magnetic valve (227), check valve (228), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (219) is communicated with fire-suppression bottle with hand switch (223) by extinguishing agent storage tank (221) with high-pressure hose interface end (235), fills extinguishing chemical to fire-suppression bottle.
5. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described fire prevention system is primarily of carbon dioxide cylinder (202), check valve (206), magnetic valve (207-2), air filter (208), pressure transmitter (209), magnetic valve (227), check valve (228), magnetic valve (237), filling pump (238), set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235) forms, gas point two paths outputs after check valve (206), magnetic valve (207-2), air filter (208) and pressure transmitter (209) boosting successively in carbon dioxide cylinder (202), one tunnel is communicated with fire-prevention bottle to be measured through magnetic valve (237), filling pump (238) or set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235), one tunnel is communicated with fire-prevention bottle to be measured through magnetic valve (227), check valve (228), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235).
6. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described annex test macro is primarily of nitrogen cylinder (201), check valve (205), magnetic valve (207-1), air filter (208), pressure transmitter (209), hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (213), magnetic valve (227), check valve (228), magnetic valve (237), filling pump (238), set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), high-pressure hose interface end (235), high pressure DCF interface (246), low pressure KJY interface (249), high pressure gauge (247), low-pressure meter (250), high-voltage switch gear (248) and low tension switch (251) composition, in nitrogen cylinder, nitrogen divides three paths to export successively after check valve (205), magnetic valve (207-1), air filter (208) and pressure transmitter (209), one tunnel is communicated with high-pressure hose interface end (219) through hand switch (211), adjustable pressure-reducing valve (212), safety valve (215), magnetic valve (218), pressure transmitter (213), one tunnel is communicated with high-pressure hose interface end through magnetic valve (237), filling pump (238) or set switch (239), gs-oil separator (240), check valve (241), safety valve (242), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233), one tunnel is through magnetic valve (227), check valve (228), magnetic valve (244), pressure transmitter (229), high-voltage switch gear (233) is communicated with high-pressure hose interface end (235), the pressure reducer of fire extinguishing system attachment, air pressure electromagnetic valve, fire extinguishing system ordinary attachments is connected with high-pressure hose interface end (219) and high-pressure hose interface end (235) with one end of fire extinguishing system electrical annex, pressure reducer, air pressure electromagnetic valve, fire extinguishing system ordinary attachments is connected with high pressure DCF interface (246) or low pressure KJY interface (249) with the other end of fire extinguishing system electrical annex, the force value of high pressure gauge (247) display high pressure DCF interface (246), the force value of low-pressure meter (250) display low pressure KJY interface (249).
7. aircraft fire extinguishing system attachment according to claim 1 detects and device for filling, it is characterized in that: described water cooling system is primarily of water cooler (301), water-gas-heat exchanger (302), high-pressure spiral stainless steel pipe (303), cooling water intake (304), cooling water outlet (305), high pressure admission mouth (306), high pressure outlet air mouth (307), water temperature transmitter (308) and water pump water outlet Pressure gauge (309) composition, it is inner that high-pressure spiral stainless steel pipe (303) and water temperature transmitter (308) are all arranged at water-gas-heat exchanger (302), high-pressure spiral stainless steel pipe (303) is arranged between high pressure admission mouth (306) and high pressure outlet air mouth (307), the upper and lower of water-gas-heat exchanger (302) is respectively equipped with cooling water intake (304) and cooling water outlet (305), water cooler (301) is provided with between cooling water outlet (305) and cooling water intake (304), water pump water outlet Pressure gauge (309) is for showing water cooler (301) water outlet water temperature.
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| CN105865797A (en) * | 2016-05-31 | 2016-08-17 | 中国航空工业集团公司西安飞机设计研究所 | Fire extinguishing test assembly of aircraft engine |
| CN107398054A (en) * | 2016-05-20 | 2017-11-28 | 辽宁美托科技股份有限公司 | A kind of aircraft fire extinguisher ground device for filling and its application method |
| CN109580869A (en) * | 2018-12-25 | 2019-04-05 | 中国航空综合技术研究所 | The fire protecting performance test method and its test device of civil aircraft component and its attachment |
| CN110621382A (en) * | 2016-10-05 | 2019-12-27 | 泰克建筑服务产品有限公司 | Method and system for filling a container with a flame retardant |
| CN110803670A (en) * | 2019-09-24 | 2020-02-18 | 九江中船化学科技有限公司 | 2-bromo-3, 3, 3-trifluoropropene filling device and filling method |
| CN112807582A (en) * | 2021-02-20 | 2021-05-18 | 凌云(宜昌)航空装备工程有限公司 | Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method |
| CN113233399A (en) * | 2021-05-06 | 2021-08-10 | 中航飞机起落架有限责任公司 | Automatic fire extinguishing agent filling system with double filling and double control functions and method |
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| CN107398054A (en) * | 2016-05-20 | 2017-11-28 | 辽宁美托科技股份有限公司 | A kind of aircraft fire extinguisher ground device for filling and its application method |
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| CN112807582A (en) * | 2021-02-20 | 2021-05-18 | 凌云(宜昌)航空装备工程有限公司 | Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method |
| CN113233399A (en) * | 2021-05-06 | 2021-08-10 | 中航飞机起落架有限责任公司 | Automatic fire extinguishing agent filling system with double filling and double control functions and method |
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| CN104689499B (en) | 2016-04-20 |
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Inventor after: Zou Gang Inventor after: Zou Gang, Zhang Ding Guo Ma Sheng Fei Wang Zhanyong Liu Zhengang just Shuyang Tang Youcai Tang Yuanheng Wang Xiaogang Inventor after: Zhang Ding Inventor after: Guo Gang Inventor after: Ma Shuyang Inventor after: Sheng Fei Inventor after: Wang Zhanyong Inventor after: Liu Zhengang Inventor after: Tang Youcai Inventor after: Tang Yuanheng Inventor before: Wang Zhanyong Inventor before: Liu Zhengang Inventor before: Wang Haidong Inventor before: Guo Gang Inventor before: Zou Gang Inventor before: Zhang Ding Inventor before: Tang Youcai Inventor before: Zhou Kai |
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