CN109738574A - The test integrated platform of aviation nonmetallic materials multi-angle combustibility - Google Patents
The test integrated platform of aviation nonmetallic materials multi-angle combustibility Download PDFInfo
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Abstract
The present invention relates to a kind of test integrated platforms of aviation nonmetallic materials multi-angle combustibility, belong to nonmetallic materials combustibility test device technical field.The test integrated platform of aviation nonmetallic materials multi-angle combustibility, including burning cabinet, igniter, sample fixing device, combustion gas control mechanism, flue gas analysis device and temperature measuring equipment.The present invention can be achieved the internal real-time display supplied and adjust to control, and then realize demand of the different materials to different flame intensities；Pass through the Horizontal clamp of design, vertical clamp, 45Fixture and 60Fixture meets the test to the combustibility of multiple material；The measurement of the Various Complexes combustion characteristic parameters such as the imaging of temperature, gas componant, combustion flame, the burning time to non-metal solid combustible material can be achieved.
Description
Technical field
The invention belongs to nonmetallic materials combustibility test device technical fields, and in particular to a kind of aviation non-metallic material
Expect the test integrated platform of multi-angle combustibility.
Background technique
The material with suitable degree of protection ability is selected according to the fire retardant property of nonmetallic materials, for have through
Often face the ornament materials in the occupational areas such as fireman and the racing driver of fire risk, vehicle inside decoration and Aeronautics and Astronautics aircraft
For be very important.There is the material of suitable degree of protection by choosing, can effectively reduce fire hazard, reduce wound
It dies and property loss.However the flammability of nonmetallic materials depends not only on its chemical and physical features, but also depends on
External condition locating for it.Under normal conditions, we are in normal atmosphere item for the fire resistant flame retardant combustibility test of material
It is completed under part.And the characteristics of according to when the scene of fire generation and general material combustion, it has been found that thickness, material when material
When material changes with the burning contacts area and material of flame and the contact angle of flame, its burning behavior and combustibility
Huge variation can occur.
And in previous research, researcher mostly uses greatly kinds of experiments instrument to distinguish the combustion characteristic parameter of material
It measures, generally requires to devote a tremendous amount of time, be primarily present following deficiency:
1. nonmetallic materials test equipment used at present, mainly for propagation of flame speed of the sample material in burning
Rate, burning time, sample drippage etc. carry out test material combustibility, it is impossible to be used in flame temperature and combustion product gases product and combustion
Burn flame image, smoldering time, the measurement of flame combustion time and record.
2. nonmetallic materials test equipment used at present can only often be tested for fc-specific test FC material, however
For different nonmetallic materials, it generally requires to carry out different tests.
3. nonmetallic materials test equipment used at present, test material combustibility is relatively simple, is not able to achieve pair
The test and overall merit of the multiple groups linkage of sample material combustibility.
In view of the above-mentioned problems, non-metal solid can fuel wood in combined civil aircraft cabin of linking the invention proposes a kind of multiple instruments
The test platform of material.The platform can contact by research material thickness, material with the contact angle of flame, material with flame
The variables such as area identify the combustibility of fire resistant flame retardant fabric.
Summary of the invention
It is an object of the present invention to solve the deficiency of the existing technology and provide a kind of burnings of aviation nonmetallic materials multi-angle
Performance test unified platform, the unified platform is using multiple instruments linkage combination, it can be achieved that non-metal solid combustible material
The Various Complexes combustion characteristic parameter such as temperature, gas componant, combustion flame imaging, burning time measurement.
The present invention adopts the following technical scheme:
The test integrated platform of aviation nonmetallic materials multi-angle combustibility, including burning cabinet, igniter, sample
Fixed device, combustion gas control mechanism, flue gas analysis device and temperature measuring equipment；
The burning cabinet includes the first burning cabinet and the second burning cabinet, and the flue gas analysis device includes flue gas point
It is respectively equipped in the inner top of analyzer, flue gas probe and flue gas data line, the first burning cabinet and the second burning cabinet
One flue gas probe, the flue gas probe connects with the flue gas analyzer by flue gas data line, the first burning cabinet with
Be respectively equipped with exhaust ventilator in the one side wall of second burning cabinet, the combustion gas control mechanism respectively with the first burning cabinet
It is connected with the second burning cabinet；
The igniter includes being set to the intracorporal mobile electronic igniter of the first combustion box and being set to second
The intracorporal fixed electronic ignition device of combustion box, the mobile electronic igniter is by being set to the first burning cabinet one
Mobile rail on side wall is moved, and the mobile rail is adjusted with the position being set on the first burning cabinet exterior
Handle connection, the first burning cabinet and the second burning bottom of box are equipped with thermocouple tree, and the thermocouple tree is logical
Excess temperature data line is connect with the temperature measuring equipment；
The sample fixing device includes fixture and fixture mount, and the fixture includes being fixed on first by fixture mount
Horizontal clamp in burning box baseplate, be fixed in the middle part of the first burning cabinet and with Horizontal clamp in 45° angle 45 ° of fixtures,
It is set on the first burning wall box and the vertical clamp vertical with Horizontal clamp, is fixed on the second burning wall box
60 ° of fixtures；
The combustion gas control mechanism includes that timing control mechanism, gaseous-pressure, combustion gas angular adjustment control mechanism, power supply are opened
Pass, burnt gas switch, timing reset control mechanism and flame height regulating mechanism, the igniter respectively with gaseous-pressure, combustion
Air horn degree adjusting control mechanism, flame height regulating mechanism piping connection are resetted with the power switch, burnt gas switch, timing
Control mechanism, the electrical connection of timing control mechanism.
Further, the exhaust ventilator is smoke ejector.
Further, the temperature measuring equipment is infrared radiation thermometer, and the mobile electronic igniter is mobile electricity
Sub- igniter, the fixed electronic ignition device are fixed ignition.
Further, the burning cabinet exterior is equipped with adjustable methane cylinder supplies, and the methane cylinder supplies are logical
Air supply hose is crossed to connect with combustion gas control mechanism.
Further, the front of the burning cabinet is hinged with cabinet door, and the cabinet door is equipped with transparent windows
27, the transparent windows are externally provided with high-definition camera.
Further, the flue gas analyzer is connect with terminal.
Further, the pillar that the fixture mount is parallel to each other by four forms, and the Horizontal clamp is U-shaped.
Compared with prior art, the present invention has the advantages that:
First: the present invention can be achieved the internal real-time display supplied and adjust to control, and then realize different materials to difference
The demand of flame intensity；
Second: by the Horizontal clamp of design, vertical clamp, 45 ° of fixtures and 60 ° of fixtures, meeting the combustion to multiple material
Burn the test of performance；
Third: it can be achieved to temperature, gas componant, the combustion flame imaging of non-metal solid combustible material, burning time
The measurement of equal Various Complexes combustion characteristic parameter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the test integrated platform of aviation nonmetallic materials multi-angle combustibility of the invention；
In figure: 1, computer；2, flue gas analyzer；3, flue gas data line；4, temperature data line；5, the first burning cabinet；
6, flue gas probe；7, Horizontal clamp；8, fixture mount；9, mobile rail；10, mobile electronic igniter；11, thermocouple tree；
12,45 ° of fixtures；13, vertical clamp；14, exhaust ventilator；15, timing control mechanism；；17, the second burning cabinet；18,
60 ° of fixtures；19, fixed ignition；20, air supply hose；21, adjustable methane cylinder supplies；22, high-definition camera；
23, infrared radiation thermometer；25, flame height regulating mechanism；26, position control lever；27, transparent windows.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
As shown in Figure 1, the test integrated platform of aviation nonmetallic materials multi-angle combustibility of the invention, including burning
Cabinet, igniter, sample fixing device, combustion gas control mechanism, flue gas analysis device and temperature measuring equipment；
The burning cabinet includes the first burning cabinet 5 and the second burning cabinet 17, and the flue gas analysis device includes cigarette
Gas analyzer 2, flue gas probe 6 and flue gas data line 3, the inner top of the first burning cabinet 5 and the second burning cabinet 17
On be respectively equipped with a flue gas probe 6, the flue gas probe 6 is connected by flue gas data line 3 and the flue gas analyzer 2, described
It is respectively equipped with exhaust ventilator 14 in the one side wall of first burning cabinet 5 and the second burning cabinet 17, the combustion gas controls machine
Structure is connect with the first burning cabinet 5 and the second burning cabinet 17 respectively；
The igniter includes the mobile electronic igniter 10 being set in the first burning cabinet 5 and is set to the
Fixed electronic ignition device 19 in two burning cabinets 17, the mobile electronic igniter 10 is by being set to the first combustion
Mobile rail 9 in 5 one side wall of saggar body is horizontally moved, the mobile rail 9 be set to the first burning cabinet 5
Position control lever 26 on outer wall connects, and the position control lever 26 is connect with the first burning 5 outer wall thread of cabinet,
It is realized by turned position regulation handle 26 and screw is switched into linear motion of the igniter on mobile rail 9；Described
One burning cabinet 5 and second burning, 17 bottom of cabinet are equipped with thermocouple tree 11, and the thermocouple tree 11 passes through temperature number
It is connect according to line 4 with the temperature measuring equipment；
The sample fixing device includes fixture and fixture mount 8, and the fixture includes that the is fixed on by fixture mount 8
Horizontal clamp 7, suspension on one burning 5 bottom plate of cabinet are fixed on 5 middle part of the first burning cabinet and with Horizontal clamp 7 in 45° angle
45 ° of fixtures 12, be set on 5 side wall of the first burning cabinet and the vertical clamp 13 vertical with Horizontal clamp 7, be fixed on second
The 60 ° of fixtures 18 to burn on 17 side wall of cabinet；
The combustion gas control mechanism includes timing control mechanism 15, gaseous-pressure, combustion gas angular adjustment control mechanism, power supply
Switch, burnt gas switch, timing reset control mechanism and flame height regulating mechanism 25, the igniter respectively with gas pressure
Power, combustion gas angular adjustment control mechanism, 25 piping connection of flame height regulating mechanism, with the power switch, burnt gas switch, meter
Shi Fuwei control mechanism, timing control mechanism 15 are electrically connected.
The exhaust ventilator 14 is smoke ejector.
The temperature measuring equipment is infrared radiation thermometer 23, and the mobile electronic igniter 10 is mobile electronic igniting
Device, the fixed electronic ignition device 19 are fixed ignition.
The burning cabinet exterior is equipped with adjustable methane cylinder supplies, and the methane cylinder supplies pass through air supply hose 20
It is connect with combustion gas control mechanism.
The front of the burning cabinet is hinged with cabinet door, and the cabinet door is equipped with transparent windows 27, described transparent
Observation window 27 is externally provided with high-definition camera 22.
The flue gas analyzer 2 is connect with terminal 1.
The pillar that the fixture mount 8 is parallel to each other by four forms, and the Horizontal clamp 7 is U-shaped.
The test burnt to solid material style may be implemented by nonmetallic materials burning cabinet in the present invention；Pass through
It is integrated with timing control mechanism 15, gaseous-pressure, combustion gas angular adjustment control mechanism, power switch, burnt gas switch, timing reset
The controlling terminal of control mechanism and flame height regulating mechanism 25 is realized to arranging in gas pressure regulation, igniting, timing and cabinet
The integrated control of gas；The gas exchanges of cabinet and external environment can be realized by control switch by smoke ejector；Pass through setting
The adjusting to gaseous-pressure may be implemented in air pressure regulator on adjustable methane cylinder supplies；By igniter when in outside
When gas supply, it can be controlled by controlling terminal and carry out electronic striking；It can be according to material by flame height regulating mechanism 25
The type of material adjusts the size of flame；The position of igniter can be adjusted according to the mobile rail of the type of test；Pass through water
Flat fixture, vertical clamp, 45 ° of fixtures and 60 ° of fixtures not only facilitate clamping sample but also jet flame are convenient for light sample；It is logical
Cross setting flue gas analyzer and by the way that smoke density box house, real-time survey of the realization to combustion product gases will be connected in Smoke Detector
Amount；It is arranged into inside combustion box using thermocouple tree, realizes the real-time processing to the temperature of combustion flame and hot fume；Pass through height
Clear video camera realizes the captured in real-time to sample burning scene in smoke density cabinet；Pass through built-in thermocouple tree and infrared measurement of temperature
The laser aiming of instrument 23 realizes that the temperature of incendiary material surface flue gas layer carries out non-contact measurement；Box interior temperature sensing
The export of device temperature data exports.
Pass through the real-time output for the smoke components data that flue gas data line detects internal Smoke Detector.
By the electronic striking system of controlling terminal, lighting to the style material being fixed in combustion box fixture is realized.
There is methane steel cylinder gas supply outside nonmetallic materials combustion box, is realized by air pressure regulator strong to different demands flame
The control of degree.
There are many flue gas probes in flue gas analysis instrument, and the ingredient to the multiple gases in combustion product gases may be implemented and contain
The analysis of amount.
Infrared gear can dynamic image to the intracorporal combustion flame of combustion box and thermo parameters method record.
The measurement to flame temperature may be implemented by temperature sensor for thermocouple tree.
When being tested using the present invention, concrete operations are as follows:
(1) it samples
Sample is generally cut from the finished parts of installation, or is cut from the plate material for be made the part.Sub-assembly
(such as sandwich plate) should not be divided into individual element layer to be tested.
Two direction of warp and weft of fabric should all be tested, make the longer dimension of sample be parallel to fabric through to or latitude
To.Any two broadwise sample should not have same weft.
(2) specimen size
1. recommending specimen size to be respectively as follows: according to the difference of combustion test type
Testing vertical flammability sample is at least 76mm*305mm；
Horizontal burning test sample is at least 76mm*305mm；
45 ° of combustion test samples are at least 76mm*305mm；
60 ° of combustion test samples are at least 762mm；
2. the exposed size requirement of sample:
Testing vertical flammability sample is at least 51mm*305mm；
Horizontal burning test sample is at least 51mm*305mm；
45 ° of combustion test samples are at least 203mm*203mm；
60 ° of combustion test samples are at least 610mm；
3. sample pretreatment:
Before test, sample should be prevented in the pretreatment box of temperature (21 ± 3) DEG C and relative humidity 45%~55% for 24 hours with
On.
A sample can only be taken when test from pretreatment box every time and tested immediately.
4. style clamp method:
When vertical combustion sample, two long sides and the top of sample should be clamped.
When horizontal firing sample, two long sides of sample should be clamped and far from beyond flame.
When 45 ° of combustion test samples, four sides of sample should be clamped.
When 60 ° of combustion test samples, the upper and lower side of sample should be fastened in rigid fixture.
5. flame standard
Vertically, horizontal and 45 ° of combustion test standard flame source height are 38mm, and flame internal flame is tapered；
60 ° of combustion test standard flame source height are 76mm, and flame internal flame is tapered.
(3) experimental implementation type
1. testing vertical flammability
When making vertical combustion sample then horizontal and 45 ° of sample mounts are clamped into sample according to relevant regulations, by specimen holder
It is vertically fixed in case on defined position, sample lower end is higher by burner tip 19mm, closes test chamber door.
2. horizontal burning test
Will vertically when making horizontal firing sample and then 45 ° of sample mounts clamp sample according to relevant regulations, and by sample
It is common exposed face-down.By on the sandwiched specimen holder in the case of sample, sample lower end is higher by burner tip 19mm, closes test
Chamber door.
3. 45 ° of combustion tests
Horizontal and vertical sample mount is folded down when carrying out 45 ° of combustion tests, then makes sample at 45 ° with horizontal plane.
Sample center is higher by combustor top transverse plane 25mm.During the test, test chamber door is in closed state.
4. 60 ° of combustion tests
Clamp sample according to relevant regulations, and cable or electric wire be often installed in chamber, make sample and horizontal plane at
60°.Burner should be orthogonal with sample and the vertical plane with sample at 60 ° of angles, sample center is higher by combustor top transverse plane
25mm.During the test, test chamber door is in opening-wide state.
The operating procedure of cabinet is controlled in the present invention:
1. showing according to labelling in equipment, correctly plug in (AC220V), connects combustion gas, opens on control panel
" power supply " switch and source of the gas valve first adjust gear on-off and combustion gas switching push button, and gear on-off shares 4 grades, for the choosing of a variety of samples
Select, such as when 60 ° of gear samples, by gear be adjusted to 60 °, combustion gas button switch to burning, next step operation can be carried out.If doing
Horizontal or 45 ° of whens can switch gear on-off and burnt gas switch according to test type, and (combustion gas switching is the combustion gas of Control experiment type
Switch, such as in 60 ° of samples, burnt gas switch is switched to " it is horizontal, it is vertical, 45 ° " when, then burning can not work).
2. sample is got out according to standard requirements sample is fixed in windshield with clamping device, sample it is horizontal positioned or
Horizontal by 60 °, using gaseous-pressure and burned angle adjusting control mechanism, carry out " combustion gas starting ", after blowtorch is lighted
By standard requirements regulating gas pressure and flame height." duration of ignition " is set using timing control system 15, utilizes handle tune
Blowtorch position is saved, the time to be fired then, starts to start work, and " flame fires the time " starts timing, presses when sample does not have flame
Stop, then " glow/self-extinguishing time " then starts timing, when sample does not have fiery core, then presses stop button, presses after terminating test
Reset key.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes.
Claims (7)
1. the test integrated platform of aviation nonmetallic materials multi-angle combustibility, which is characterized in that including burning cabinet, igniting
Device, sample fixing device, combustion gas control mechanism, flue gas analysis device and temperature measuring equipment；
The burning cabinet includes the first burning cabinet (5) and the second burning cabinet (17), and the flue gas analysis device includes cigarette
Gas analyzer (2), flue gas probe (6) and flue gas data line (3), first burning cabinet (5) and the second burning cabinet (17)
Inner top on be respectively equipped with a flue gas probe (6), the flue gas probe (6) pass through flue gas data line (3) and the flue gas
Exhaust ventilation is respectively equipped in the one side wall of analyzer (2) connection, first burning cabinet (5) and the second burning cabinet (17)
Device (14), the combustion gas control mechanism are connect with the first burning cabinet (5) and the second burning cabinet (17) respectively；
The igniter includes the mobile electronic igniter (10) that is set in the first burning cabinet (5) and is set to the
Fixed electronic ignition device (19) in two burnings cabinet (17), the mobile electronic igniter (10) is by being set to
Mobile rail (9) in first burning cabinet (5) one side wall is moved, and the mobile rail (9) and is set to described first
Position control lever (26) connection burnt on cabinet (5) outer wall, first burning cabinet (5) and the second burning cabinet
(17) bottom is equipped with thermocouple tree (11), and the thermocouple tree (11) is connected by temperature data line (4) and the temperature measuring equipment
It connects；
The sample fixing device includes fixture and fixture mount (8), and the fixture includes that the is fixed on by fixture mount (8)
Horizontal clamp (7) on one burning cabinet (5) bottom plate is fixed in the middle part of the first burning cabinet (5) and is in Horizontal clamp (7)
45 ° of fixtures (12) of 45° angle are set on first burning cabinet (5) side wall and the vertical clamp vertical with Horizontal clamp (7)
(13), 60 ° of fixtures (18) being fixed on second burning cabinet (17) side wall；
The combustion gas control mechanism includes that timing control mechanism (15), gaseous-pressure, combustion gas angular adjustment control mechanism, power supply are opened
Pass, burnt gas switch, timing reset control mechanism and flame height regulating mechanism (25), the igniter respectively with gas pressure
Power, combustion gas angular adjustment control mechanism, flame height regulating mechanism (25) piping connection, with the power switch, burnt gas switch,
Timing resets control mechanism, timing control mechanism (15) electrical connection.
2. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
In the exhaust ventilator (14) is smoke ejector.
3. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
In, the temperature measuring equipment is infrared radiation thermometer (23), and the mobile electronic igniter (10) is mobile electronic igniter,
The fixed electronic ignition device (19) is fixed ignition.
4. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
Be equipped with adjustable methane cylinder supplies in, the burning cabinet exterior, the methane cylinder supplies by air supply hose (20) with
The connection of combustion gas control mechanism.
5. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
In the front of the burning cabinet is hinged with cabinet door, and the cabinet door is equipped with transparent windows (27), the transparent observing
Window (27) is externally provided with high-definition camera (22).
6. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
In the flue gas analyzer (2) connect with terminal (1).
7. the test integrated platform of aviation nonmetallic materials multi-angle combustibility according to claim 1, feature exist
In the pillar that fixture mount (8) You Sigen is parallel to each other forms, and the Horizontal clamp (7) is U-shaped.
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Cited By (7)
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| CN110082476A (en) * | 2019-05-24 | 2019-08-02 | 中国兵器工业第五九研究所 | A kind of metal burning pilot system |
| CN110320314A (en) * | 2019-07-19 | 2019-10-11 | 安徽电缆股份有限公司 | Combustion test box is used in a kind of detection of cable physical property |
| CN113030371A (en) * | 2021-03-01 | 2021-06-25 | 四川农业大学 | Device and method for measuring flammability of plant |
| CN113049735A (en) * | 2021-03-11 | 2021-06-29 | 国网江苏省电力有限公司电力科学研究院 | Power cable flame retardant performance field detection method |
| CN113740482A (en) * | 2021-09-24 | 2021-12-03 | 山东省产品质量检验研究院 | Automatic testing device for flame retardant property of helmet for firefighter and using method |
| CN114326845A (en) * | 2021-12-30 | 2022-04-12 | 中国民用航空总局第二研究所 | Negative pressure adjusting system and method |
| CN114441706A (en) * | 2022-01-24 | 2022-05-06 | 上海交通大学 | Metal combustion performance evaluation system and working method thereof |
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| CN114326845B (en) * | 2021-12-30 | 2023-07-04 | 中国民用航空总局第二研究所 | Negative pressure regulating system and method |
| CN114441706A (en) * | 2022-01-24 | 2022-05-06 | 上海交通大学 | Metal combustion performance evaluation system and working method thereof |
| WO2023138031A1 (en) * | 2022-01-24 | 2023-07-27 | 上海交通大学 | Metal combustion performance assessment system and operation method thereof |
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