CN107290385A - Helmet flame resistance energy test device and its method of testing - Google Patents
Helmet flame resistance energy test device and its method of testing Download PDFInfo
- Publication number
- CN107290385A CN107290385A CN201710432180.4A CN201710432180A CN107290385A CN 107290385 A CN107290385 A CN 107290385A CN 201710432180 A CN201710432180 A CN 201710432180A CN 107290385 A CN107290385 A CN 107290385A
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- Prior art keywords
- helmet
- flame resistance
- resistance energy
- heat source
- test device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to a kind of helmet flame resistance energy test device, including combustion heat source, radiant heat source, copper coin calorimeter, first and second temperature thermocouple, data acquisition device, data handling system；Radiant heat source includes support, and some quartz heating-pipes be arrangeding in parallel are fixed on support；The structure with hollow cavity, the hollow cavity inside top that copper coin calorimeter includes being made up of copper coin and assembling block are connected with the first temperature thermocouple, and the first temperature thermocouple other end is connected with data collecting system；Second temperature thermocouple one end is with treating that the thermometric helmet is connected, and the other end is connected with data collecting system；Data acquisition device is connected with data handling system.The present invention has taken into account the Stability and veracity of test；Using quartz heating-pipe as thermal source, caloric value is high, and using combustion gas Bunsen burner as combustion heat source, experimental condition is stable；Package unit has rational in infrastructure, the characteristics of testing accurate, workable, can simulate the practical service environment of fire hat.
Description
Technical field
The present invention relates to a kind of helmet flame resistance energy test device and its method of testing, belonging to helmet flame resistance can survey
Try technical field.
Background technology
The heat that fireman can be run into the various hazardous environments in the scene of a fire, the usual scene of a fire during extinguishing operation is to damage
Main factor, it is contemplated that the synthesis injury effect of flame and radiant heat, countries in the world all generally use flame and radiant heat
Thermal protective performance test method is integrated to evaluate the barrier propterty of fire hat.
At present, for the flame resistance energy test method of fire hat, surveyed using flame and radiant heat comprehensive means
Examination, but at present experimental rig, it is complicated, it is with high costs, price costly, therefore, in order to obtain accurate test data
The barrier propterty of protective fire fighters' clothing is verified, a set of flame resistance energy test experiments for fire hat how is developed and fills
Put, become the technical barrier that this area is badly in need of solving.
The content of the invention
The technical problem to be solved in the invention is：Existing fire hat test device is complicated, cost and price
It is high, a set of flame resistance energy experimental apparatus for testing for fire hat how is developed, while taking into account the accuracy of test
And stability.
The present invention takes following technical scheme：
A kind of helmet flame resistance energy test device, including combustion heat source, radiant heat source, copper coin calorimeter, first and second survey
Warm galvanic couple, data acquisition device, data handling system；The radiant heat source includes support 1, some quartz that be arranged in parallel
Heating tube 2 is fixed on the support 1；The copper coin calorimeter includes having hollow cavity by what copper coin 1 and assembling block 5 were constituted
Structure, hollow cavity inside top be connected with the first temperature thermocouple 4, the other end of the first temperature thermocouple 4 and data acquisition
System is connected；Described one end of second temperature thermocouple 9 is with treating that the thermometric helmet is connected, and the other end connects with the data collecting system
Connect；The data acquisition device is connected with the data handling system.
Further, the combustion heat source includes gas bomb 11, pressure regulator valve 12, the magnetic valve being sequentially connected by pipeline 13
14th, flowmeter 15, Bunsen burner 8；Bunsen burner 8 is arranged on the top of the helmet to be tested, with vertical direction in 45 ° to the helmet to be tested
Jet flames.
Further, quartz heating-pipe 2 and it is connected on 380V power supply.
Further, first temperature thermocouple 4 is copper-constantan thermocouple, is welded on the circular arc inner surface of copper coin 3
Center, copper coin 3 is adhered on assembling block 5 by binding agent, and copper-constantan thermocouple is connected to by the through hole on assembling block 5
On data acquisition device.
Further, second temperature transducer 9 is placed in the shower nozzle front end of Bunsen burner 8, using platinum-rhodium thermocouple.
Further, the data acquisition device is data collecting card 6, and the data handling system is computer 7.
Further, the injection diameter of Bunsen burner 8 is 13mm ± 3mm, and combustion gas is through the pressure regulation of pressure regulator valve 12 with 50kPa ± 1kPa
Forced air supply, by flowmeter 15 adjust flow, gas flow rate be 2L/min ± 0.2L/min；The quartz heating-pipe 2
Arrangement spacing is 6-8mm, a diameter of 10.0mm ± 0.2mm；The copper content of the copper coin 3 is not less than 99%, and thickness is 1.5mm,
Size is 40mm × 40.3mm, and weight is 30g ± 1g.
Further, a diameter of 0.3mm~1mm of copper-constantan thermocouple.
Further, a diameter of 0.3mm~0.5mm of platinum-rhodium thermocouple.
Quartz heating-pipe 2 is powered in a kind of method of testing of above-mentioned helmet flame resistance energy test device, radiant heat source
After produce heat radiation, changed using the testing radiation heat source region temperature rise of the first temperature thermocouple 4 on copper coin calorimeter, and converted
It is transported to for millivolt signal in data acquisition device, is recorded by data handling system and calculate radiation heat flux, reach 10
±1kW/m2；Then helmet sample is positioned over below radiant heat source, after radiation 1min, Bunsen burner 8 contacts sample with 45 ° of directions
Top jet flame, flame temperature is calibrated using the second temperature thermocouple 9, reaches 1300 DEG C, certain time is maintained, so as to test
The combustibility of helmet sample.
The beneficial effects of the present invention are：
1) a set of device that can be tested for fire hat flame resistance is provided, cost is relatively low；
2) using two temperature thermocouples, respectively to carrying out thermometric at copper coin calorimeter and Bunsen burner burning, and by same
One data acquisition device is acquired, and carries out real time data calculating processing by data handling system；
3) combustion heat source is ingenious in design, easy to use；
4) convenient test, fast, intelligence degree are high, have taken into account the Stability and veracity of test；
5) using quartz heating-pipe as thermal source, caloric value is high, using combustion gas Bunsen burner as combustion heat source, makes test bar
Part is stable；
6) package unit has rational in infrastructure, the characteristics of testing accurate, workable, can simulate the reality of fire hat
Border use environment.
Brief description of the drawings
Fig. 1 is the schematic diagram of helmet flame resistance energy test device of the present invention.
Fig. 2 is the structural representation of combustion heat source.
Fig. 3 is the structural representation of copper coin calorimeter.
Fig. 4 is the top view of copper coin calorimeter.
In figure, 1 is support, and 2 be quartz heating-pipe, and 3 be copper coin, and 4 be the first temperature thermocouple, and 5 be assembling block, and 6 be to adopt
Truck, 7 be computer, and 8 be Bunsen burner, and 9 be the second temperature thermocouple, and 10 be fire hat sample, and 11 be gas bomb, and 12 be tune
Pressure valve, 13 be pipeline, 14 be magnetic valve, 15 be flowmeter.
Embodiment
The present invention is further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
This fire hat flame resistance energy experimental rig is by combustion heat source, radiant heat source, copper coin calorimeter, thermometric thermoelectricity
The composition such as even, data acquisition device and data handling system.
As shown in figure 1, radiant heat source is made up of nine quartz heating-pipes 2 and support 1, it is placed in above sample, is produced after energization
Heat is radiated.In circuit, quartz heating-pipe 2 is simultaneously connected on 380V power supply.Bunsen burner 8 is arranged on above sample side, with hanging down
Nogata is at 45 ° to sample jet flames.The injection diameter of Bunsen burner 8 is 13mm.Platinum-rhodium copper the installation of TC is treated the helmet
Test position, and be connected with data acquisition device.
As shown in Fig. 2 combustion heat source is by gas bomb 11, pressure regulator valve 12, pipeline 13, magnetic valve 14, flowmeter 15 and Ben Sheng
Lamp 8 is constituted, and combustion gas, with 50kPa forced air supply, flow is adjusted by flowmeter 15 through the pressure regulation of pressure regulator valve 12, and gas flow rate is
2L/min.Gas bomb 11 connects pressure regulator valve 12 by pipeline 13, and pressure regulator valve 12 connects magnetic valve 14, magnetic valve 14 by pipeline 13
By the connection flow gauge of pipeline 13, flowmeter 15 connects Bunsen burner 8 by pipeline 13.
As shown in Figure 1,3, copper coin calorimeter is made up of copper coin 3, copper-constantan thermocouple and assembling block 5.Copper constantan heat
Galvanic couple is welded on the center of the circular arc inner surface of copper coin 3, and copper coin 3 is adhered on assembling block 5 by binding agent, copper constantan thermoelectricity
It is even to be connected to by the through hole on assembling block 5 on data acquisition device 6.The copper content of copper coin 3 is not less than 99%, and thickness is
1.5mm, size is 40mm × 40.3mm, and weight is 30g.
In this embodiment, the injection diameter of Bunsen burner 8 be 13mm ± 3mm, combustion gas through the pressure regulation of pressure regulator valve 12 with 50kPa ±
1kPa forced air supply, flow is adjusted by flowmeter 15, and gas flow rate is 2L/min ± 0.2L/min；The quartz heating-pipe
2 arrangement spacing is 6-8mm, a diameter of 10.0mm ± 0.2mm；The copper content of the copper coin 3 is not less than 99%, and thickness is
1.5mm, size is 40mm × 40.3mm, and weight is 30g ± 1g；A diameter of 0.3mm~1mm of copper-constantan thermocouple；Platinum-
A diameter of 0.3mm~0.5mm of rhodium thermocouple.
During specific test, quartz heating-pipe 2 produces heat radiation after being powered in radiant heat source, using the on copper coin calorimeter
The testing radiation heat source region temperature rise of one temperature thermocouple 4 changes, and is converted into millivolt signal and is transported in data acquisition device, leads to
Cross data handling system to record and calculate radiation heat flux, reach 10 ± 1kW/m2；Then helmet sample is positioned over radiation
Below thermal source, after radiation 1min, Bunsen burner 8 contacts sample top jet flame with 45 ° of directions, using the second temperature thermocouple 9
Flame temperature is calibrated, 1300 DEG C are reached, certain time is maintained, so as to test the combustibility of helmet sample.
Above is the preferred embodiments of the present invention, those of ordinary skill in the art can also carry out various changes on this basis
Change or improve, on the premise of the total design of the present invention is not departed from, these conversion or improvement should all belong to application claims guarantor
Within the scope of shield.
Claims (10)
1. a kind of helmet flame resistance energy test device, it is characterised in that：
Including combustion heat source, radiant heat source, copper coin calorimeter, first and second temperature thermocouple, data acquisition device, data processing
System；
The radiant heat source includes support (1), and some quartz heating-pipes (2) be arrangeding in parallel are fixed on the support (1)；
The copper coin calorimeter include be made up of copper coin (1) and assembling block (5) the structure with hollow cavity, in hollow cavity
Side roof part is connected with the first temperature thermocouple (4), and the first temperature thermocouple (4) other end is connected with data collecting system；
Described second temperature thermocouple (9) one end is with treating that the thermometric helmet is connected, and the other end is connected with the data collecting system；
The data acquisition device is connected with the data handling system.
2. helmet flame resistance energy test device as claimed in claim 1, it is characterised in that：The combustion heat source includes passing through
Gas bomb (11) that pipeline (13) is sequentially connected, pressure regulator valve (12), magnetic valve (14), flowmeter (15), Bunsen burner (8)；This life
Lamp (8) is arranged on the top of the helmet to be tested, with vertical direction in 45 ° to helmet jet flames to be tested.
3. helmet flame resistance energy test device as claimed in claim 1, it is characterised in that：Quartz heating-pipe (2) is simultaneously connected
Onto 380V power supply.
4. helmet flame resistance energy test device as claimed in claim 1, it is characterised in that：First temperature thermocouple
(4) it is copper-constantan thermocouple, is welded on the center of copper coin (3) circular arc inner surface, copper coin (3) adheres to dress by binding agent
With on block (5), copper-constantan thermocouple is connected on data acquisition device by the through hole on assembling block (5).
5. helmet flame resistance energy test device as claimed in claim 2, it is characterised in that：Second temperature transducer
(9) Bunsen burner (8) shower nozzle front end is placed in, using platinum-rhodium thermocouple.
6. helmet flame resistance energy test device as claimed in claim 1, it is characterised in that：The data acquisition device is several
According to capture card (6), the data handling system is computer (7).
7. helmet flame resistance energy test device as claimed in claim 2, it is characterised in that：Bunsen burner (8) injection diameter is
13mm ± 3mm, combustion gas, with 50kPa ± 1kPa forced air supply, flow is adjusted by flowmeter (15) through pressure regulator valve (12) pressure regulation,
Gas flow rate is 2L/min ± 0.2L/min；The arrangement spacing of the quartz heating-pipe (2) be 6-8mm, a diameter of 10.0mm ±
0.2mm；The copper content of the copper coin 3 is not less than 99%, and thickness is 1.5mm, and size is 40mm × 40.3mm, weight be 30g ±
1g。
8. helmet flame resistance energy test device as claimed in claim 4, it is characterised in that：The diameter of copper-constantan thermocouple
For 0.3mm~1mm.
9. helmet flame resistance energy test device as claimed in claim 5, it is characterised in that：Platinum-rhodium thermocouple it is a diameter of
0.3mm~0.5mm.
10. a kind of method of testing of the helmet flame resistance energy test device described in claim 2, it is characterised in that：Radiant heat
Quartz heating-pipe (2) produces heat radiation after being powered in source, using the first temperature thermocouple (4) testing radiation on copper coin calorimeter
Heat source region temperature rise changes, and is converted into millivolt signal and is transported in data acquisition device, by data handling system record simultaneously
Radiation heat flux is calculated, 10 ± 1kW/m2 is reached；Then helmet sample is positioned over below radiant heat source, after radiation 1min,
Bunsen burner (8) contacts sample top jet flame with 45 ° of directions, calibrates flame temperature using the second temperature thermocouple (9), reaches
1300 DEG C, certain time is maintained, so as to test the combustibility of helmet sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432180.4A CN107290385A (en) | 2017-06-09 | 2017-06-09 | Helmet flame resistance energy test device and its method of testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432180.4A CN107290385A (en) | 2017-06-09 | 2017-06-09 | Helmet flame resistance energy test device and its method of testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107290385A true CN107290385A (en) | 2017-10-24 |
Family
ID=60096757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432180.4A Pending CN107290385A (en) | 2017-06-09 | 2017-06-09 | Helmet flame resistance energy test device and its method of testing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107290385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146643A (en) * | 2018-02-13 | 2019-08-20 | 中国石油化工股份有限公司 | Simulate the experimental provision of hydro carbons fire |
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|---|---|---|---|---|
| EP0066472A1 (en) * | 1981-05-29 | 1982-12-08 | Gas Monitoring Systems (Pty) Limited | Explosive gas detector |
| JPH1163854A (en) * | 1997-08-21 | 1999-03-05 | Rinnai Corp | Method for evaluating performance of heating unit and apparatus for evaluating its performance |
| CN2741027Y (en) * | 2004-10-20 | 2005-11-16 | 佛山市顺德区世创金属科技有限公司 | Automatic thermometric calibrator of heat treating furnace |
| CN101819171A (en) * | 2010-04-15 | 2010-09-01 | 公安部上海消防研究所 | Test device for radiant heat resistance of fabrics |
| CN202854073U (en) * | 2012-08-28 | 2013-04-03 | 公安部上海消防研究所 | Fabric flame and radiant heat integrated thermal protective performance test device |
| CN204188553U (en) * | 2014-09-09 | 2015-03-04 | 中国人民武装警察部队山东省消防总队 | A kind of protective clothing scene of a fire barrier propterty proving installation |
| CN204228635U (en) * | 2014-03-31 | 2015-03-25 | 中国人民武装警察部队学院 | A kind of plastic cable heat radiation experiment apparatus for simulated fire environment |
| CN105387954A (en) * | 2015-12-22 | 2016-03-09 | 陕西电器研究所 | Calibration device suitable for contact-type high temperature sensor |
-
2017
- 2017-06-09 CN CN201710432180.4A patent/CN107290385A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066472A1 (en) * | 1981-05-29 | 1982-12-08 | Gas Monitoring Systems (Pty) Limited | Explosive gas detector |
| JPH1163854A (en) * | 1997-08-21 | 1999-03-05 | Rinnai Corp | Method for evaluating performance of heating unit and apparatus for evaluating its performance |
| CN2741027Y (en) * | 2004-10-20 | 2005-11-16 | 佛山市顺德区世创金属科技有限公司 | Automatic thermometric calibrator of heat treating furnace |
| CN101819171A (en) * | 2010-04-15 | 2010-09-01 | 公安部上海消防研究所 | Test device for radiant heat resistance of fabrics |
| CN202854073U (en) * | 2012-08-28 | 2013-04-03 | 公安部上海消防研究所 | Fabric flame and radiant heat integrated thermal protective performance test device |
| CN204228635U (en) * | 2014-03-31 | 2015-03-25 | 中国人民武装警察部队学院 | A kind of plastic cable heat radiation experiment apparatus for simulated fire environment |
| CN204188553U (en) * | 2014-09-09 | 2015-03-04 | 中国人民武装警察部队山东省消防总队 | A kind of protective clothing scene of a fire barrier propterty proving installation |
| CN105387954A (en) * | 2015-12-22 | 2016-03-09 | 陕西电器研究所 | Calibration device suitable for contact-type high temperature sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146643A (en) * | 2018-02-13 | 2019-08-20 | 中国石油化工股份有限公司 | Simulate the experimental provision of hydro carbons fire |
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Application publication date: 20171024 |
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