CN204694658U - A kind of pavement heat radiation tester - Google Patents
A kind of pavement heat radiation tester Download PDFInfo
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- CN204694658U CN204694658U CN201520338667.2U CN201520338667U CN204694658U CN 204694658 U CN204694658 U CN 204694658U CN 201520338667 U CN201520338667 U CN 201520338667U CN 204694658 U CN204694658 U CN 204694658U
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Abstract
The utility model relates to a kind of pavement heat radiation tester, comprises test chassis, test chassis is provided with smoke exhaust fan, thermal source assembly, worktable and heat flow meter assembly; Described smoke exhaust fan is arranged on the top of test chassis, and thermal source assembly matches with worktable, and heat flow meter assembly is arranged on the downside of worktable; Described thermal source assembly comprises radiant heat source and burner; Pavement heat radiation tester of the present utility model, obtains the radiation flux curve determined by heat flow meter component calibrates, the distance transform of flame propagation is become its critical radiant flux value; According to this principle, flame propagation ability and the fire protecting performance of material combustion can be predicted; And can better the burning behavior of simulation material under natural fire environment, be suitable for the quantification test of the fire resistance of various material, can for various material or goods manufacturer, research and develop unit, inspection department and R&D institution etc.
Description
Technical field
The utility model relates to a kind of pavement heat radiation tester, specifically a kind of based on radiant heat source method mensuration material critical radiant flux value, the pavement heat radiation tester of prediction pavement burning performance and propagating flame ability.
Background technology
Along with the development of society, the continuous increase of material wealth and the density of population, the frequency that fire occurs and the harm that causes thus also increasing, and adopt fire proofing to be reduce and one of the strategic measure preventing fire; Over nearly 30 years, the anti-flammability process of various countries to material gives more and more closer concern; Because fire proofing burning behavior is in a fire very complicated, single combustion testing method can not describe its burning performance completely, therefore people attempt by the research to fire proofing testing and characterization method, the fire resistance of evaluation fire proofing more complete from many aspects.
Utility model content
For the technical matters of above-mentioned existence, the purpose of this utility model is: propose a kind of based on radiant heat source method mensuration material critical radiant flux value, the pavement heat radiation tester of prediction pavement burning performance and propagating flame ability.
Technical solution of the present utility model is achieved in that a kind of pavement heat radiation tester, comprises test chassis, test chassis is provided with smoke exhaust fan, thermal source assembly, worktable and heat flow meter assembly; Described smoke exhaust fan is arranged on the top of test chassis, and thermal source assembly matches with worktable, and heat flow meter assembly is arranged on the downside of worktable; Described thermal source assembly comprises radiant heat source and burner.
Preferably, described thermal source assembly also comprises web joint, web joint is provided with the first electric pushrod assembly, radiant heat source fire defector parts, radiant heat source ignition electrode, burner flame detection part, burner ignition electrode; Described burner coordinates with the first electric pushrod assembly.
Preferably, on described first electric pushrod assembly, two the first limit sensors are provided with along front and back.
Preferably, the smoke duct of described test chassis is provided with optical path component; Described optical path component comprises flue box, and the two ends of flue box are respectively arranged with light path transmitting terminal and light path receiving end, and light path receiving end is provided with optical filter; Described flue box is also provided with anemoscope and the second electric pushrod assembly, anemoscope matches with the second electric pushrod assembly.
Preferably, on described second electric pushrod assembly, two the second limit sensors are provided with along front and back.
Preferably, the lower end of described radiant heat source is hinged in test chassis, and radiant heat source is hung by a hoist cable, and the other end of hoist cable connects a knob, adjusts hoist cable by adjusting knob, and then regulates the angle of inclination of radiant heat source.
Preferably, described heat flow meter assembly comprises heat flow meter and handle, and heat flow meter is connected by lifting lever assembly with handle, and handle can drive heat flow meter to slide along worktable.
Preferably, described test chassis is also provided with radiation pyrometer, radiation pyrometer is used for the temperature detecting radiant heat source in process of the test.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
Pavement heat radiation tester of the present utility model, worktable first places calibration plate, coordinates calibration plate by heat flow meter assembly, and calibration obtains the radiation flux curve determined, the distance transform of flame propagation is become its critical radiant flux value; According to this principle, flame propagation ability and the fire protecting performance of material combustion can be predicted; Thermal source assembly cooperating platform can the better burning behavior of simulation material under natural fire environment, is very helpful to the fire retardant mechanism of research material; Its low cost, precision is high, and typical case's repeatability is positive and negative 5 percent, is suitable for the quantification test of the fire resistance of various material, can for various material or goods manufacturer, research and development unit, inspection department and R&D institution.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the stereographic map of a kind of pavement heat radiation tester of the present utility model;
Accompanying drawing 2 is the front view of a kind of pavement heat radiation tester of the present utility model;
Accompanying drawing 3 is the A-A cut-open view of a kind of pavement heat radiation tester of the present utility model;
Accompanying drawing 4 is the structural representation of the web joint part of the thermal source assembly of a kind of pavement heat radiation tester of the present utility model;
Accompanying drawing 5 is the structural representation of the optical path component of a kind of pavement heat radiation tester of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described.
As shown in accompanying drawing 1-5, a kind of pavement heat radiation tester described in the utility model, comprises test chassis 1, test chassis 1 is provided with smoke exhaust fan 2, thermal source assembly, worktable 3 and heat flow meter assembly; Described smoke exhaust fan 2 is arranged on the top of test chassis 1, and heat flow meter assembly is arranged on the downside of worktable 3; Described thermal source assembly comprises radiant heat source 11, burner 12 and web joint 13; The lower end of described radiant heat source 11 is hinged in test chassis 1, and radiant heat source 11 is hung by a hoist cable 4, and the other end of hoist cable 4 connects a knob, adjusts hoist cable 4 by adjusting knob, and then regulates the angle of inclination of radiant heat source 11; Described burner 12 is a T-shaped burner; Described web joint 13 is provided with the first electric pushrod assembly 14, radiant heat source fire defector parts 15, radiant heat source ignition electrode 16, burner flame detection part 17, burner ignition electrode 18; Described radiant heat source fire defector parts 15 and radiant heat source ignition electrode 16 coordinate with radiant heat source 11, and burner flame detection part 17, burner ignition electrode 18 coordinate with burner 12; Described burner 12 coordinates with the first electric pushrod assembly 14, and on the first electric pushrod assembly 14, two the first limit sensors 19 are provided with along front and back, first electric pushrod assembly 14 can drive burner 12 to retreat, and spacing by the first limit sensors 19 pairs of burners 12; The smoke duct of described test chassis 1 is provided with optical path component; Described optical path component comprises flue box 21, and flue box 21 is near the downside of smoke exhaust fan 2, and the two ends of flue box 21 are respectively arranged with light path transmitting terminal 22 and light path receiving end 23, light path receiving end 23 are provided with optical filter 24; Described flue box 21 is also provided with anemoscope 25 and the second electric pushrod assembly 26, and on the second electric pushrod assembly 26, is provided with two the second limit sensors 27 along front and back; Described flue box 21 is provided with a measured hole, anemoscope 25 matches with the second electric pushrod assembly 26, and the second electric pushrod assembly 26 drives anemoscope 25 enter or exit measured hole, and spacing by the second limit sensors 27 pairs of anemoscopes 25; Described heat flow meter assembly comprises heat flow meter 31 and handle 32, heat flow meter 31 is connected by lifting lever assembly with handle 32, handle 32 can drive heat flow meter 31 to slide along worktable 3, handle 32 has multiple gear in test chassis 1, heat flow meter 31 can be positioned on the multiple positions on the downside of worktable 3; The bottom of test chassis 1 is provided with a small-sized electric cabinet 5, is controlled the action of all parts by the electrical equipment in small-sized electric cabinet 5; The bottom of described test chassis 1 is also provided with radiation pyrometer 6, and radiation pyrometer 6 for detecting the temperature of radiant heat source 11 in process of the test.
During test, first open smoke exhaust fan 2, smoke exhaust fan 2 is all in open mode in whole test, controls its frequency of operation by upper computer software, keeps whole interior air velocity to reach stable, and by settling anemoscope 25 in its lower section to measure air velocity; Reach after requirement until wind speed, light the radiant heat source 11 of pre-set propane flow and air mass flow, and preheating 1 hour; First installation calibrating plate on worktable 3, regulate handle 32 afterwards, make heat flow meter 31 in the corresponding hole site of calibration plate, measure flux values respectively, obtain radiation flux curve map, meanwhile, the blackbody temperature of radiation pyrometer 6 pairs of radiant heat source 11 detects; Then calibration plate is unloaded, change breadboard, and place sample; Light T-shaped burner 12, first electric pushrod assembly 14 drives burner 12 to apply flame to sample, simultaneously, radiation pyrometer 6 detects the blackbody temperature of radiant heat source 11 again, and ensure that the temperature difference of temperature of this time measuring pre-test is with it no more than positive and negative 5 degrees Celsius, observe in process of the test and measure the flame travel on sample, finally can converse the critical radiant flux value of material.
Below be only embody rule example of the present utility model, protection domain of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all drops within the utility model rights protection scope.
Claims (8)
1. a pavement heat radiation tester, is characterized in that: comprise test chassis (1), test chassis (1) is provided with smoke exhaust fan (2), thermal source assembly, worktable (3) and heat flow meter assembly; Described smoke exhaust fan (2) is arranged on the top of test chassis (1), and thermal source assembly matches with worktable (3), and heat flow meter assembly is arranged on the downside of worktable (3); Described thermal source assembly comprises radiant heat source (11) and burner (12).
2. pavement heat radiation tester according to claim 1, it is characterized in that: described thermal source assembly also comprises web joint (13), web joint (13) is provided with the first electric pushrod assembly (14), radiant heat source fire defector parts (15), radiant heat source ignition electrode (16), burner flame detection part (17), burner ignition electrode (18); Described burner (12) coordinates with the first electric pushrod assembly (14).
3. pavement heat radiation tester according to claim 2, is characterized in that: on described first electric pushrod assembly (14), be provided with two the first limit sensors (19) along front and back.
4. pavement heat radiation tester according to claim 1, is characterized in that: the smoke duct of described test chassis (1) is provided with optical path component; Described optical path component comprises flue box (21), and the two ends of flue box (21) are respectively arranged with light path transmitting terminal (22) and light path receiving end (23), light path receiving end (23) are provided with optical filter (24); Described flue box (21) is also provided with anemoscope (25) and the second electric pushrod assembly (26), anemoscope (25) matches with the second electric pushrod assembly (26).
5. pavement heat radiation tester according to claim 4, is characterized in that: on described second electric pushrod assembly (26), be provided with two the second limit sensors (27) along front and back.
6. pavement heat radiation tester according to claim 1, it is characterized in that: the lower end of described radiant heat source (11) is hinged in test chassis (1), radiant heat source (11) is hung by a hoist cable (4), the other end of hoist cable (4) connects a knob, adjust hoist cable (4) by adjusting knob, and then regulate the angle of inclination of radiant heat source (11).
7. pavement heat radiation tester according to claim 1, it is characterized in that: described heat flow meter assembly comprises heat flow meter (31) and handle (32), heat flow meter (31) is connected by lifting lever assembly with handle (32), and handle (32) can drive heat flow meter (31) to slide along worktable (3).
8. pavement heat radiation tester according to claim 1, it is characterized in that: described test chassis (1) is also provided with radiation pyrometer (6), radiation pyrometer (6) for detecting the temperature of radiant heat source (11) in process of the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338667.2U CN204694658U (en) | 2015-05-25 | 2015-05-25 | A kind of pavement heat radiation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338667.2U CN204694658U (en) | 2015-05-25 | 2015-05-25 | A kind of pavement heat radiation tester |
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| Publication Number | Publication Date |
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| CN204694658U true CN204694658U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520338667.2U Active CN204694658U (en) | 2015-05-25 | 2015-05-25 | A kind of pavement heat radiation tester |
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| Country | Link |
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| CN (1) | CN204694658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865289A (en) * | 2015-05-25 | 2015-08-26 | 苏州菲尼克斯质检仪器有限公司 | Flooring material heat radiation tester |
| CN105424748A (en) * | 2015-12-18 | 2016-03-23 | 苏州菲尼克斯质检仪器有限公司 | Cone calorimeter |
-
2015
- 2015-05-25 CN CN201520338667.2U patent/CN204694658U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865289A (en) * | 2015-05-25 | 2015-08-26 | 苏州菲尼克斯质检仪器有限公司 | Flooring material heat radiation tester |
| CN104865289B (en) * | 2015-05-25 | 2018-04-24 | 江苏费尔曼安全科技有限公司 | A kind of pavement heat radiation tester |
| CN105424748A (en) * | 2015-12-18 | 2016-03-23 | 苏州菲尼克斯质检仪器有限公司 | Cone calorimeter |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170122 Address after: 215000 B07 building, Yongjia science and Technology Park, Quanzhou District, Jiangsu, Xuzhou, China, 1-101,, 102 Patentee after: Jiangsu Fellman Security Technology Co. Address before: Wuzhong District Mudu town Jinfeng Road, Suzhou city Jiangsu province 215000 No. 216 Building 2 East Technology Park building C room 312C Patentee before: Suzhou Phoenix quality inspection Instrument Ltd. |