CN106645553A - Oxygen index test apparatus - Google Patents
Oxygen index test apparatus Download PDFInfo
- Publication number
- CN106645553A CN106645553A CN201611211034.0A CN201611211034A CN106645553A CN 106645553 A CN106645553 A CN 106645553A CN 201611211034 A CN201611211034 A CN 201611211034A CN 106645553 A CN106645553 A CN 106645553A
- Authority
- CN
- China
- Prior art keywords
- gas
- test device
- oxygen index
- oxygen
- breather pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000001301 oxygen Substances 0.000 title claims abstract description 62
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 title claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 57
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention provides an oxygen index test apparatus. A PLC controller and an adjusting apparatus are installed inside a test apparatus box body, the PLC controller is connected with an operating panel, the operating panel is installed at the outer surface of the box body, the operating panel is provided with a display screen and an operating key, and the oxygen index test apparatus also comprises an oxygen tank and a nitrogen tank, ventilation pipes of the oxygen tank and the nitrogen tank are combined into a mixed pipeline by virtue of a Venturi mixer, the mixed pipeline is connected with a gas nozzle, the gas nozzle is installed at the bottom of a gas spoiler apparatus, a gas outlet hole is formed in the top of the gas spoiler apparatus, a gas leakage chamber is installed above the gas spoiler apparatus, and a glass hood is installed outside the gas leakage chamber. The oxygen index test apparatus realizes the comprehensive mechanization and intelligentization, various performance data and experimental parameters can be controlled and checked by virtue of the operating panel, and the test requirement of burning performance of various polymer materials can be met.
Description
Technical field
The invention belongs to combustibility field tests, more particularly, to a kind of oxygen index (OI) test device.
Background technology
Oxygen index (OI) test device is the combustibility for evaluating polymer under regulation experimental condition, that is, determine polymer
Just maintain the concentration of volume percent of the most hypoxemia of burning.During substance combustion, need to consume substantial amounts of oxygen, different is flammable
Thing, needs the amount of oxygen for consuming different during burning, by the measure to consuming minimum oxygen amount during substance combustion, calculate
The oxygen index value of material, so as to evaluate the combustibility of material.The instrument is applied to plastics, rubber, fiber, foamed plastics and each
The combustibility test of kind of solid, it is accuracy, reproducible, therefore generally adopted by countries in the world.
But, as in the last few years all kinds of polymeric material production technologies were developed rapidly, for polymeric material flammability
The oxygen index (OI) test device of energy is but not kept pace with the demand in market, and at present domestic existing oxygen index (OI) test device is deficienter,
And mostly have the shortcomings that test data is inaccurate, service life is short.
The content of the invention
In view of this, it is contemplated that proposing a kind of oxygen index (OI) test device, to solve current oxygen index measuring instrument measurement
It is not accurate enough, measurement when not enough facilitate etc. a difficult problem.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of oxygen index (OI) test device, including casing, the box house installs PLC and adjusting means, described
PLC connects adjusting means, and the PLC attended operation panel, the guidance panel is arranged on box outer surface,
Display screen and operation button are installed, the oxygen index (OI) test device also includes oxygen tank, nitrogen pot, combustion gas on the guidance panel
The breather pipe of breather pipe, the oxygen tank and nitrogen pot is all installed by literary mound in the gas outlet of tank, the oxygen tank and nitrogen pot
In blender synthesize a mixing line, the mixing line connects gas nozzle, and the gas nozzle is arranged on gas flow-disturbing
The bottom of device, the gas disturbing flow device top is provided with venthole, and gas leakage-chamber is installed in the gas disturbing flow device top,
The gas disturbing flow device is threaded connection gas leakage-chamber, and measurement thing fixing device is installed in the gas leakage-chamber top,
Cloche is installed in the gas leakage-chamber outside, and the adjusting means includes magnetic valve and the nitrogen installed on oxygen tank breather pipe
The magnetic valve installed on tank breather pipe.
Further, magnetic valve, gas flowmeter, flow control are all installed on the breather pipe of the oxygen tank and nitrogen pot
The breather pipe of valve, the oxygen tank and nitrogen pot synthesizes a mixing line by venturi mixer, and the magnetic valve is gentle
Flowmeter body, flow control valve all connect PLC.
Further, one-way vent valve and pressure test device, the pressure test device are installed in the mixing line
Connection PLC.
Further, the cloche is divided into two sections, and middle installing and connecting apparatus, the attachment means are hollow circuit cylinder
Body, the cylinder above and below the attachment means, inner circle and it is cylindrical between leave and cloche width identical gap, institute
State the inner circle of attachment means mid portion and it is cylindrical between for entity.
Further, top cover is installed at the top of the cloche, and on the top cover handle is provided with.
Further, the oxygen tank, nitrogen pot, fuel cartridge are all arranged on box house.
Further, the guidance panel is arranged on the inclined-plane of the side of casing, the folder of the inclined-plane and horizontal direction
Angle is 60 °.
Further, the bottom half installs hoistable platform.
Further, the hoistable platform installs hydraulic top, and the hydraulic top connects controller, and the controller is also connected with
Remote control, the hoistable platform controls the contraction of hydraulic top by remote control and controller, and then controls hoistable platform
Lifting.
Further, the bottom half installs vertical laser range unit, and the vertical laser range unit connects PLC
Controller, the casing measures the height of bottom half and ground by vertical laser range unit.
Relative to prior art, oxygen index (OI) test device of the present invention has the advantage that：
(1) oxygen index (OI) test device of the present invention realizes mechanization, intellectuality comprehensively, can be controlled by guidance panel
Make and check various performance datas and experiment parameter, disclosure satisfy that the testing requirement of various polymeric material combustibilities.
(2) during oxygen index (OI) test device combustion testing of the present invention, can preferably be entered by the cloche of merogenesis
Row operation；Hoistable platform below tester can carry out height regulation, and preferably operation and observation experiment show to make experimenter
As.
Description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the oxygen index (OI) test device external structure schematic diagram described in the embodiment of the present invention；
Fig. 2 is the oxygen index (OI) test device overall structure diagram described in the embodiment of the present invention.
Description of reference numerals：
1- guidance panels；2- cloches；21- attachment means；22- top covers；301- oxygen tanks；302- nitrogen pots；303- is electric
Magnet valve；304- gas flowmeters；305- venturi mixers；306- one-way vent valves；307- pressure test devices 308- mixes
Pipeline；4- measures thing fixing device；5- gas leakage-chambers；6- gas nozzles；7- gas flow-disturbings room；8- hoistable platforms；81- is controlled
Device；82- hydraulic tops；83- remote controls.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicates or dark
Showing the device or element of indication must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Such as Fig. 1, shown in Fig. 2, a kind of oxygen index (OI) test device, including casing, the box house install PLC and
Adjusting means, the PLC connection adjusting means, the PLC attended operation panel 1, the guidance panel 1 is pacified
Box outer surface is mounted in, display screen and operation button are installed on the guidance panel 1, the oxygen index (OI) test device also includes oxygen
The gas outlet of gas tank 301, nitrogen pot 302, the oxygen tank 301 and nitrogen pot 302 is all installed by breather pipe, the oxygen tank 301
A mixing line 308 is synthesized by venturi mixer 305 with the breather pipe of nitrogen pot 302, the mixing line 308 connects
Gas nozzle 6, the gas nozzle 6 is arranged on the bottom of gas disturbing flow device 7, and the top of the gas disturbing flow device 7 is provided with out
Gas leakage-chamber 5 is installed in pore, the top of the gas disturbing flow device 7, and the gas disturbing flow device 7 is threaded connection gas and lets out
Measurement thing fixing device 4 is installed in leakage room 5, the top of the gas leakage-chamber 5, and cloche 2 is installed in the outside of the gas leakage-chamber 5,
The adjusting means includes the magnetic valve 303 installed on the breather pipe of oxygen tank 301 and the electromagnetism installed on the breather pipe of nitrogen pot 302
Valve 303.
As shown in Fig. 2 adjusting means also includes flow control valve 309 and the nitrogen pot installed on the breather pipe of oxygen tank 301
Gas stream is also installed on the breather pipe of the flow control valve 309 installed on 302 breather pipes, the oxygen tank 301 and nitrogen pot 302
Gauge 304, the connection PLC of the gas flowmeter 304.
Experimenter can control the closure and flow control valve 309 of magnetic valve 303 by guidance panel 1, and then control
The ratio of oxygen and nitrogen, side goes out to measure the limiting oxygen index of thing.The on off operating mode of magnetic valve 303, the reading of gas flowmeter 304
Number, the state of flow control valve 309 all show on a display screen.One-way vent valve 306 and pressure are installed in mixing line 308
Force test device 307, one-way vent valve 306 makes mixed gas to flow to a direction, it is to avoid gas backflow affects experiment number
According to the connection PLC of pressure test device 307 can on a display screen show the number pressure inside mixing line 308
According to.If the pressure inside mixing line 308 is excessive, experimenter can pass through to adjust the logical of oxygen tank 301 and nitrogen pot 302
The flow control valve 309 of tracheae and then the pressure size of control mixing line 308.The mixing line 308 be copper pipeline, institute
State mixing line 308 to be coiled in around box house, extend the length of mixing line 308 so that mixed gas are by over long distances
Flowing, mixed gas temperature is more nearly normal temperature, makes experimental data more accurate.
2 points of cloche is two sections, middle installing and connecting apparatus 21, and the attachment means 21 are hollow circular cylinder, the company
Cylinder above and below connection device 21, inner circle and it is cylindrical between leave and the width identical gap of cloche 2, the connection
The inner circle of the mid portion of device 21 and it is cylindrical between be entity.2 points of cloche is two sections, and the installation site of attachment means 21 is in gas
The top of body leakage-chamber 5, convenient when making fixation measuring thing, the manufacture shape of attachment means 21 can make the upper of cloche 2
Lower two sections even closer.
Top cover 22 is installed at the top of cloche 2, and on the top cover 22 handle is provided with.Oxygen tank 301, nitrogen pot 302 are all
Installed in box house.
Guidance panel 1 is arranged on the inclined-plane of the side of casing, and the inclined-plane is 60 ° with the angle of horizontal direction.Operation
Panel 1 is arranged on inclined-plane makes experimenter more convenient to operate, and visual angle is more natural.
Bottom half installs hoistable platform 8.Hoistable platform 8 installs hydraulic top 2, and the hydraulic top 82 connects controller 81,
The controller 81 is also connected with remote control 83, and the hoistable platform 8 controls hydraulic top by remote control 83 and controller 81
82 contraction, and then control the lifting of hoistable platform 8.The lifting of hoistable platform 8 can adjust height of the casing apart from ground, have
When carrying out combustion testing the visual angle of the height of flame or experimenter's viewing affect very much experimenter to judge, it is real
The personnel of testing can pass through the more accurate judgment experiment result of height for adjusting casing.
Bottom half installs vertical laser range unit, and the vertical laser range unit connects PLC, the case
Body measures the height of bottom half and ground by vertical laser range unit.Height of the casing apart from ground shows on a display screen
Illustrate come, experimenter can with more intuitive understanding bottom half apart from ground height.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of oxygen index (OI) test device, it is characterised in that：Including casing, the box house installs PLC and regulation
Device, the PLC connects adjusting means, the PLC attended operation panel (1), guidance panel (1) peace
Box outer surface is mounted in, display screen and operation button are installed on the guidance panel (1), the oxygen index (OI) test device also includes
Breather pipe is all installed in the gas outlet of oxygen tank (301), nitrogen pot (302), the oxygen tank (301) and nitrogen pot (302), described
The breather pipe of oxygen tank (301) and nitrogen pot (302) synthesizes a mixing line (308), institute by venturi mixer (305)
Mixing line (308) connection gas nozzle (6) is stated, the gas nozzle (6) is installed in the bottom of gas disturbing flow device (7), institute
State gas disturbing flow device (7) top and be provided with venthole, gas leakage-chamber (5) is installed in gas disturbing flow device (7) top, described
Gas disturbing flow device (7) is threaded connection gas leakage-chamber (5), and gas leakage-chamber (5) top is installed measurement thing and fixed
Cloche (2) is installed in device (4), gas leakage-chamber (5) outside, and the adjusting means includes oxygen tank (301) breather pipe
The magnetic valve (303) installed on the magnetic valve (303) and nitrogen pot (302) breather pipe of upper installation.
2. oxygen index (OI) test device according to claim 1, it is characterised in that：The adjusting means also includes oxygen tank
(301) flow control valve (309) installed on the flow control valve (309) installed on breather pipe and nitrogen pot (302) breather pipe,
Gas flowmeter (304), the gas flowmeter are also installed on the breather pipe of the oxygen tank (301) and nitrogen pot (302)
(304) PLC is connected.
3. oxygen index (OI) test device according to claim 1 and 2, it is characterised in that：Install on the mixing line (308)
One-way vent valve (306) and pressure test device (307), the pressure test device (307) connects PLC.
4. oxygen index (OI) test device according to claim 1, it is characterised in that：The cloche (2) is divided into two sections, centre
Installing and connecting apparatus (21), the attachment means (21) are hollow circular cylinder, the circle above and below the attachment means (21)
Cylinder, inner circle and it is cylindrical between leave and cloche (2) width identical gap, attachment means (21) mid portion it is interior
It is entity between round and cylindrical.
5. oxygen index (OI) test device according to claim 1, it is characterised in that：The top of the cloche (2) is installed by top
Lid (22), on the top cover (22) handle is provided with.
6. oxygen index (OI) test device according to claim 1, it is characterised in that：The oxygen tank (301), nitrogen pot
(302) all it is arranged on box house.
7. oxygen index (OI) test device according to claim 1, it is characterised in that：The guidance panel (1) is installed in casing
Side inclined-plane on, the angle of the inclined-plane and horizontal direction is 60 °.
8. oxygen index (OI) test device according to claim 1, it is characterised in that：The bottom half installs hoistable platform
(8)。
9. oxygen index (OI) test device according to claim 8, it is characterised in that：The hoistable platform (8) installs hydraulic top
(2), the hydraulic top (82) connection controller (81), the controller (81) is also connected with remote control (83), and the lifting is flat
Platform (8) controls the contraction of hydraulic top (82) by remote control (83) and controller (81), and then controls the liter of hoistable platform (8)
Drop.
10. oxygen index (OI) test device according to claim 1, it is characterised in that：The bottom half installs vertical laser
Range unit, the vertical laser range unit connects PLC, and the casing measures case by vertical laser range unit
Body bottom and the height on ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211034.0A CN106645553A (en) | 2016-12-24 | 2016-12-24 | Oxygen index test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211034.0A CN106645553A (en) | 2016-12-24 | 2016-12-24 | Oxygen index test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106645553A true CN106645553A (en) | 2017-05-10 |
Family
ID=58827001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611211034.0A Pending CN106645553A (en) | 2016-12-24 | 2016-12-24 | Oxygen index test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645553A (en) |
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Application publication date: 20170510 |