CN213715146U - Test material combustion evaluation device - Google Patents
Test material combustion evaluation device Download PDFInfo
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- CN213715146U CN213715146U CN202022816701.6U CN202022816701U CN213715146U CN 213715146 U CN213715146 U CN 213715146U CN 202022816701 U CN202022816701 U CN 202022816701U CN 213715146 U CN213715146 U CN 213715146U
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- gas
- test material
- transmission
- transmission device
- material combustion
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- 239000000463 material Substances 0.000 title claims abstract description 64
- 238000012360 testing method Methods 0.000 title claims abstract description 52
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 23
- 238000011156 evaluation Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000004458 analytical method Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 description 46
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- -1 combustion improver Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application belongs to the technical field of test equipment, in particular to a test material combustion evaluation device, which comprises a transmission device, wherein a fixing device is fixedly arranged on the transmission device, the fixing device moves along the transmission device, a test material is placed on the fixing device, a glow wire is placed on one side of the transmission device, a gas collecting hood is arranged at the upper end of the transmission device, the gas collecting hood is connected with a gas suction pipe, the other end of the gas suction pipe is fixedly connected with a vacuum pump, one side of the transmission device is provided with an exhaust part, the gas conveying pipe is connected with a high-pressure gas bottle and the exhaust part, a through hole is arranged on the exhaust part, the through hole faces to the transmission device, the high-pressure gas bottle is filled with non-combustible gas, the transmission device moves the test material on the fixing device to the position of the glow wire, so, the non-combustible gas filled in the high-pressure gas cylinder is discharged by the exhaust part, and the high-pressure non-combustible gas is extinguished.
Description
Technical Field
The application belongs to the technical field of test equipment, and particularly relates to a test material combustion evaluation device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The glow wire tester is a commonly used device for testing the flame retardant property of materials, is used as equipment for evaluating whether the materials meet the national standard or IEC, and is widely applied to terminal part enterprises and material research and development enterprises.
According to the IEC60695 specification, the parts or samples are extinguished within 30S after leaving and can be judged as acceptable, and the materials used by the typical end customer will substantially meet this requirement. For material research and development enterprises, the material is a gradual process from test to research and development success, the material cannot be extinguished within 30S of the material, the material can be continuously burnt until the material is burnt out, the process can last for minutes or even tens of minutes, and a group of test samples can be tested for more than one hour. For research enterprises, the efficiency of research, development, test and evaluation is greatly reduced, and meanwhile, a large amount of substances generated in the combustion process are discharged into the air, so that certain pollution is caused.
Glow wire test instruments are generally considered as material compliance evaluation devices, and if further analysis of the material composition and substance is to be performed, another set of samples is required for additional infrared, XPS, chromatographic composition analysis, etc. This virtually increases the complexity and cycle of the test. It is known that gas substances generated after the combustion of the material reflect the component and substance information of the material, such as flame retardant, combustion improver, matrix and the like, but the gas content in the combustion process is not well utilized and is used for on-line analysis.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present application provides a test material combustion evaluation device.
The utility model aims at providing a test material burning evaluation device ignites the test material through the glowing filament to collect the gas after will testing the material burning by the gas collecting channel, extinguish the flame of test material through high-speed incombustible gas, in order to accomplish the test material burning evaluation who accords with the standard.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides a test material burning evaluation device, includes transmission, and the last fixed fixing device that is provided with of transmission, fixing device move along transmission, and the last test material of having placed of fixing device, the glow wire has been placed to transmission one side, and the transmission upper end is provided with the gas collecting channel, and the breathing pipe is connected to the gas collecting channel, the other end fixed connection vacuum pump of breathing pipe.
Further, one side of the transmission device is provided with an exhaust part, the exhaust part is connected with a gas pipe, the other end of the gas pipe is fixedly connected with a high-pressure gas cylinder, a through hole is formed in the exhaust part and faces the transmission device, and more specifically, the high-pressure gas cylinder is filled with non-combustible gas, and the non-combustible gas in the high-pressure gas cylinder is used for extinguishing fire for a test material on the fixing device.
Furthermore, a pressure gauge is arranged at the outlet of the high-pressure gas cylinder, and a valve is arranged on the gas transmission pipe.
Furthermore, the air suction pipe is provided with a valve.
Furthermore, the outlet of the vacuum pump is connected with an analysis test instrument, and gas and various substances generated by combustion of the test material are detected by the analysis test instrument.
Further, the analytical test instrument of the application comprises an infrared tester and a gas mass spectrometer.
Further, this application still includes the box, utilizes the whole testing process of box cladding for the produced material of test material burning is mostly absorbed the detection, and is concrete, can set up transmission whole or partly in the box.
Furthermore, the openings are formed in the two sides of the box body, the transmission device penetrates through the openings of the box body, and the two ends of the transmission device protrude out of the box body, so that test materials can be placed on the fixing device conveniently.
Furthermore, the transmission device is a conveyor belt device, and the fixing device is fixed on a conveyor belt of the conveyor belt device, so that the operation is reliable, and the purchase is convenient.
Compared with the prior art, the beneficial effect of this application is:
1. this application passes through transmission and removes the test material on the fixing device to glowing filament department for 30 seconds of glowing filament and test material contact with the preset temperature heating, then collect the material that test material burning produced through vacuum pump and gas collecting hood.
2. This application detects the judgement through detecting the gas and the material that produce behind the test material burning to the composition and the material information of material, can also carry out on-line measuring through the gas and the material that analysis and test instrument produced behind the test material burning, very big shortening evaluation time.
3. This application passes through the material cladding of box after with the test material burning to utilize the gas collecting channel to collect these materials, high-efficient environmental protection.
4. This application utilizes the exhaust portion to discharge the incombustible gas of high-pressure gas cylinder intussuseption, utilizes highly compressed incombustible gas to extinguish.
5. According to the gas extinguishing device, the exhaust part is provided with the densely distributed needle-shaped small holes of 0.2-3mm, so that the speed of gas and the efficiency of extinguishing flame on a test material are ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic overall structure diagram of the present application.
In the figure:
1. the gas detection device comprises a box body, 2, a conveying belt device, 3, a stand column, 4, an exhaust part, 5, a through hole, 6, a high-pressure gas cylinder, 7, a gas conveying pipe, 8, a glow wire, 9, a fixing device, 10, a test material, 11, a gas collecting hood, 12, a gas suction pipe, 13, a vacuum pump, 14, a valve, 15 and a pressure gauge.
The specific implementation mode is as follows:
the present application will be further described with reference to the following drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Example 1
A test material combustion evaluation device comprises a box body 1, for example, the box body 1 of the application can be bonded together by glass cement by organic glass or windproof glass, for example, the box body can be bonded into a cube, and a conveyor belt device 2 is arranged in the box body 1.
As one embodiment, an opening is arranged on the box body 1, the opening is arranged on the side surface of the box body 1, one end of the conveying belt device 2 penetrates through the box body 1, the other end of the conveying belt device 2 also penetrates through the box body 1, the conveying belt device 2 adopts a common conveying belt device in the prior art, a motor drives the conveying belt on the conveying belt device 2 to move, and the conveying belt device 2 is supported by the upright post 3.
Alternatively, the conveyor belt assembly 2 may be replaced by other transmission means, such as pulleys and the like.
This application still includes exhaust apparatus, the exhaust apparatus of this application includes exhaust portion 4, the inside cavity of exhaust portion 4, a plurality of through-holes 5 are seted up to the side of exhaust portion 4, the size of through-hole 5 is unequal at 0.2mm-3mm, place a high pressure gas cylinder 6 in the outside of box 1 or inside, a gas-supply pipe 7 is connected in the exit of high pressure gas cylinder 6, gas-supply pipe 7 can be the hose, for example, the hose of plastics material, gas-supply pipe 7 also can be the hard tube, for example, copper material's copper pipe, install manometer 15 and valve 14 on gas-supply pipe 7, or install manometer 15 and valve 14 in the exit of high pressure gas cylinder 6, fill non-combustible gases such as highly-compressed carbon dioxide gas or nitrogen gas in high pressure gas cylinder 6, exhaust portion 4 of exhaust apparatus is connected to the other end of gas-supply pipe 7, exhaust portion 4 of this application installs inside.
This application is at lateral wall installation glow wire 8 of box 1, for example, the glow wire 8 of this application can be electric heating wire, the electric heating wire circular telegram all produces heat and the temperature is higher, 8 connection source of glow wire, be provided with the switch on the power and the connecting line of glow wire 8, perhaps the switch connection has timing function's control system, PLC for example, place fixing device 9 on the conveyer belt device 2, place the test material 10 of this application on fixing device 9, for example, test material 10 is the injection molding piece of moulding plastics.
As an implementation scheme, a groove is formed at the right upper end of the fixing device 9, and the injection sheet is placed in the groove of the fixing device 9, so that the situation that the position of the injection sheet moves when the injection sheet on the fixing device 9 is in contact with the glow wire 8, and the contact between the injection sheet and the glow wire 8 is poor is avoided.
The gas collecting channel 11 is installed to the upper end of this application box 1, installs breathing pipe 12 on the vacuum pump 13, and gas collecting channel 11 is connected to the other end of breathing pipe 12, is conveyer belt device 2 under gas collecting channel 11, installs valve 14 in the exit of vacuum pump 13.
The method comprises the following steps: placing the injection molding sheet on a fixing device 9, rotating a conveyor belt on a conveyor belt device 2, heating a glow wire 8 to a fixed temperature by a power supply, contacting the glow wire 8 for a period of time, such as 30 seconds, when the fixing device 9 moves to the position of the glow wire 8, then continuously moving the conveyor belt of the conveyor belt device 2, moving the fixing device 9 on the conveyor belt to an exhaust part 4, and moving the fixing device 9 on the conveyor belt to the exhaust part 4 for 30 seconds from the ignition end of the injection molding sheet to the exhaust part 4, wherein the process can be controlled by a control device and a timing device on the control device, or determined by the timing of a worker, starting a vacuum pump 13 and opening a valve 14 on the vacuum pump 13, so that the vacuum pump 13 collects the gas after the ignition and the combustion of the injection molding sheet through a gas collecting hood 11 and the vacuum pump 13, then opening the valve 14 on a high-pressure gas cylinder 6, and discharging carbon dioxide or, carbon dioxide or nitrogen extinguishes the flame on the injection molded sheet.
More preferably, an analytical test instrument, such as an infrared tester, a gas mass spectrometer or the like, is connected to the outlet of the vacuum pump 13, and the analytical test instrument is used to analyze the components of the gas and substance generated by the combustion of the injection-molded sheet.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (10)
1. A test material combustion evaluation device is characterized in that: the device comprises a transmission device, wherein a fixing device (9) is fixedly arranged on the transmission device, the fixing device (9) moves along the transmission device, and a test material (10) is placed on the fixing device (9);
a glow wire (8) is placed on one side of the transmission device, a gas collecting hood (11) is arranged at the upper end of the transmission device, the gas collecting hood (11) is connected with a gas suction pipe (12), and the other end of the gas suction pipe (12) is fixedly connected with a vacuum pump (13).
2. The test material combustion evaluation device according to claim 1, wherein one side of the transmission device is provided with an exhaust part (4), the exhaust part (4) is connected with a gas transmission pipe (7), and the other end of the gas transmission pipe (7) is fixedly connected with a high-pressure gas cylinder (6);
the exhaust part (4) is provided with a through hole (5), and the through hole (5) faces the transmission device.
3. The test material combustion evaluation device according to claim 2, wherein the high-pressure gas cylinder (6) is filled with a nonflammable gas.
4. The test material combustion evaluation device according to claim 2, wherein a pressure gauge (15) is provided at an outlet of the high pressure gas cylinder (6), and a valve (14) is provided on the gas transmission pipe (7).
5. A test material combustion evaluating device according to claim 1, wherein a valve (14) is provided on said air intake pipe (12).
6. A test material combustion evaluation device as claimed in claim 1, characterized in that the outlet of the vacuum pump (13) is connected to an analytical test instrument.
7. The device for evaluating combustion of test material according to claim 6, wherein said analytical test instrument comprises an infrared tester, a gas mass spectrometer.
8. A test material combustion evaluating device according to claim 1, further comprising a case (1), wherein said transmission means is provided in the case (1).
9. The test material combustion evaluation device as claimed in claim 8, wherein openings are formed at both sides of the case (1), the transmission passes through the openings of the case (1) and both ends of the transmission protrude out of the case (1).
10. A test material combustion evaluation device according to claim 1, wherein the transmission device is a conveyor belt device (2), and the fixing device (9) is fixed to a conveyor belt of the conveyor belt device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816701.6U CN213715146U (en) | 2020-11-30 | 2020-11-30 | Test material combustion evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816701.6U CN213715146U (en) | 2020-11-30 | 2020-11-30 | Test material combustion evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213715146U true CN213715146U (en) | 2021-07-16 |
Family
ID=76785464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022816701.6U Expired - Fee Related CN213715146U (en) | 2020-11-30 | 2020-11-30 | Test material combustion evaluation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213715146U (en) |
-
2020
- 2020-11-30 CN CN202022816701.6U patent/CN213715146U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |