CN104914004A - Building material smoke density tester - Google Patents
Building material smoke density tester Download PDFInfo
- Publication number
- CN104914004A CN104914004A CN201510217256.2A CN201510217256A CN104914004A CN 104914004 A CN104914004 A CN 104914004A CN 201510217256 A CN201510217256 A CN 201510217256A CN 104914004 A CN104914004 A CN 104914004A
- Authority
- CN
- China
- Prior art keywords
- combustion box
- smoke
- light path
- building material
- smoke density
- 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
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a building material smoke density tester comprising a control cabinet and a burning box; the control cabinet is provided with a displayer, a computer host, an operation panel and an electrical element; the burning box is provided with a smoke exhaust fan, an optical path assembly and a burning assembly; the burning assembly comprises a main burner and a specimen holder; the optical path assembly contains an optical path transmitting terminal and an optical path receiving terminal, the optical path transmitting terminal is provided with a partition glass window, and the optical path receiving terminal is provided with an optical filter; according to the building material smoke density tester, the smoke density value is evaluated by measuring light flux loss caused by light reflection of solid dust in smoke generated by burning a material, smoke production behaviors of the material in an actual fire disaster environment can be better simulated, the smoke production rate of the basic material can be quickly determined, and the fire-proof properties of the material are predicted; the tester is low in cost, high in precision and suitable for quantitative test on smoke production performance of various materials, and can be provided for various material or product manufacturing and research and development departments, inspection departments and scientific research departments to use.
Description
Technical field
The present invention relates to a kind of smoke density tester for building material, specifically a kind of based on measure solid dust in flue gas that material combustion produces the reflection of light caused the loss of luminous flux measure material smoke density size instrument.
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 smoke-producing amount is one of significant damage of fire, and adopting and producing the few material of cigarette rate is one of strategic measure reducing fire hazard; 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.
Summary of the invention
For the technical matters of above-mentioned existence, the object of the invention is: propose a kind of based on measure solid dust in flue gas that material combustion produces the reflection of light caused the loss of luminous flux measure material smoke density size instrument.
Technical solution of the present invention is achieved in that a kind of smoke density tester for building material, comprises and controls rack and combustion box; Described controller is provided with display, host computer, guidance panel and electrical equipment cashier's office in a shop; Described combustion box is provided with smoke exhaust fan, optical path component and fuel assembly; Described smoke exhaust fan is arranged on the upside of combustion box, and optical path component is corresponding with the flue of combustion box to be arranged, and fuel assembly is arranged on the bottom in combustion box; Described fuel assembly comprises main burner and specimen mounting; Described optical path component comprises light path transmitting terminal and light path receiving end, and light path transmitting terminal and light path receiving end lay respectively at the both sides of the flue of combustion box, light path transmitting terminal are provided with partition windowpane, and light path receiving end is provided with optical filter.
Preferably, the light source of described light path transmitting terminal is the intensive instrument bulb of a filament; Described light path receiving end comprises photoelectric cell and operational amplifier.
Preferably, the downside of described specimen mounting is provided with pallet, and upside is provided with entanglement, specimen mounting is connected with the sample push rod that is stretched out combustion box casing.
Preferably, described fuel assembly also comprises auxiliary burner; The bright eruption mouth of described main burner is towards entanglement, and the bright eruption mouth of auxiliary burner is towards pallet.
Preferably, the bottom of described combustion box is provided with ash dish.
Preferably, also nameplate is provided with in described combustion box.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
Smoke density tester for building material of the present invention, in the flue gas produced by measurement material combustion, solid dust causes the loss of luminous flux to evaluate smoke density size to the reflection of light, according to this principle, can the better product cigarette behavior of simulation material under natural fire environment, the product cigarette rate of research material is very helpful; Experimentation just can determine the product cigarette rate of stock in 4 minutes, the fire protecting performance of prediction material; This technology can determine rapidly the product cigarette rate of material with very undersized sample, low cost, high precision, and typical case's repeatability is positive and negative percent 5; Be applicable to the quantification test of the product smoke performance of various material; Widely applicable, can for various material or goods manufacture, research and development unit, inspection department and R&D institution.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the stereographic map of the control rack of a kind of smoke density tester for building material of the present invention;
Accompanying drawing 2 is the structural representation of the combustion box of a kind of smoke density tester for building material of the present invention;
Accompanying drawing 3 is the front view of the combustion box of a kind of smoke density tester for building material of the present invention;
Accompanying drawing 4 is the rear view of the combustion box of a kind of smoke density tester for building material of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
As shown in accompanying drawing 1-4, a kind of smoke density tester for building material of the present invention, comprises and controls rack and combustion box; Described controller is provided with display 11, host computer 12, guidance panel 13 and electrical equipment cashier's office in a shop; Described combustion box is provided with smoke exhaust fan 21, optical path component and fuel assembly, is provided with nameplate 27 in combustion box, the bottom of combustion box is provided with ash dish 26; Nameplate 27 is set to white background The Scarlet Letter, and for the escape mark at simulated fire scene, ash dish 26 to be gone forward side by side row relax for collecting remaining sample after off-test; Described smoke exhaust fan 21 is arranged on the upside of combustion box, and smoke exhaust fan is closed and ensured that combustion box seals completely in process of the test, opens and discharged by the flue gas in combustion box after off-test; Described fuel assembly is arranged on the bottom in combustion box, and fuel assembly comprises main burner 22, auxiliary burner 25 and specimen mounting 23; The downside of described specimen mounting 23 is provided with foursquare metal tray, upside is provided with the entanglement of band square hole, specimen mounting 23 is connected with the sample push rod 24 that is stretched out combustion box casing, sample push rod 24 can operate in outside, and sample is moved to test position together with specimen mounting 23; The bottom of described combustion box is provided with main gas inlet 41 and assisted gas air intake opening 42, propane is led to main burner 22 and auxiliary burner 25 by main gas inlet 41 and assisted gas air intake opening 42 respectively, and main burner 22 and auxiliary burner 25 are also respectively arranged with primary air import and auxiliary air import; The bright eruption mouth of described main burner 22, towards entanglement, provides standard flame source to burn to the sample on entanglement during test; The bright eruption mouth of described auxiliary burner 25, towards pallet, carries out Thorough combustion to the residual substance be dropped on pallet during test; Described optical path component comprises light path transmitting terminal 31 and light path receiving end 32, and light path transmitting terminal 31 and light path receiving end 32 lay respectively at the both sides of the flue of combustion box; The light source of described light path transmitting terminal 31 is the intensive instrument bulb of a filament, and operating voltage is 5.8 volts, and light beam is focused on light path receiving end 32 by the lens being 60mm by a focal length; Described light path receiving end 32 comprises photoelectric cell and operational amplifier, in order to receiving light path signal and be translated into digital quantity, shown intuitively by display 11; Described light path transmitting terminal 31 is provided with and cuts off windowpane 33, light path receiving end 32 is provided with optical filter 34.
During test, first different optical filters 34 is inserted respectively, light path is calibrated, after to be calibrated, sample put well by entanglement, main burner 22 and auxiliary burner 25 are all lighted, close test chamber door, push sample push rod 24, by the absorptivity in computer whole process record process of the test, and in the end calculate the smoke density grade of sample.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (6)
1. a smoke density tester for building material, comprises and controls rack and combustion box; Described controller is provided with display (11), host computer (12), guidance panel (13) and electrical equipment cashier's office in a shop; It is characterized in that: described combustion box is provided with smoke exhaust fan (21), optical path component and fuel assembly; Described smoke exhaust fan (21) is arranged on the upside of combustion box, and optical path component is corresponding with the flue of combustion box to be arranged, and fuel assembly is arranged on the bottom in combustion box; Described fuel assembly comprises main burner (22) and specimen mounting (23); Described optical path component comprises light path transmitting terminal (31) and light path receiving end (32), light path transmitting terminal (31) and light path receiving end (32) lay respectively at the both sides of the flue of combustion box, light path transmitting terminal (31) is provided with and cuts off windowpane (33), light path receiving end (32) is provided with optical filter (34).
2. smoke density tester for building material according to claim 1, is characterized in that: the light source of described light path transmitting terminal (31) is the intensive instrument bulb of a filament; Described light path receiving end (32) comprises photoelectric cell and operational amplifier.
3. smoke density tester for building material according to claim 1, is characterized in that: the downside of described specimen mounting (23) is provided with pallet, and upside is provided with entanglement, specimen mounting (23) is connected with the sample push rod (24) that is stretched out combustion box casing.
4. smoke density tester for building material according to claim 3, is characterized in that: described fuel assembly also comprises auxiliary burner (25); The bright eruption mouth of described main burner (22) is towards entanglement, and the bright eruption mouth of auxiliary burner (25) is towards pallet.
5. smoke density tester for building material according to claim 1, is characterized in that: the bottom of described combustion box is provided with ash dish (26).
6. smoke density tester for building material according to claim 1, is characterized in that: be also provided with nameplate (27) in described combustion box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217256.2A CN104914004A (en) | 2015-04-30 | 2015-04-30 | Building material smoke density tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217256.2A CN104914004A (en) | 2015-04-30 | 2015-04-30 | Building material smoke density tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104914004A true CN104914004A (en) | 2015-09-16 |
Family
ID=54083260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510217256.2A Pending CN104914004A (en) | 2015-04-30 | 2015-04-30 | Building material smoke density tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104914004A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589041A (en) * | 2017-10-11 | 2018-01-16 | 温州市质量技术监督检测院 | Smoke density measurement apparatus |
| CN109239256A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Aeronautical material combustion experimental device |
| CN109239257A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Multi-functional cabin interior material combustion characteristic experiment porch |
| CN114965854A (en) * | 2022-05-11 | 2022-08-30 | 扬州市金刚机械厂 | Cable smoke density test contrast machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202735195U (en) * | 2012-08-10 | 2013-02-13 | 温静馨 | Building material smoke density tester |
| CN204694585U (en) * | 2015-04-30 | 2015-10-07 | 苏州菲尼克斯质检仪器有限公司 | A kind of smoke density tester for building material |
-
2015
- 2015-04-30 CN CN201510217256.2A patent/CN104914004A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202735195U (en) * | 2012-08-10 | 2013-02-13 | 温静馨 | Building material smoke density tester |
| CN204694585U (en) * | 2015-04-30 | 2015-10-07 | 苏州菲尼克斯质检仪器有限公司 | A kind of smoke density tester for building material |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局等: "4试验装置，7标准步骤，8特殊程序", 《GB/T8627-2007建筑材料燃烧或分解的烟密度试验方法》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589041A (en) * | 2017-10-11 | 2018-01-16 | 温州市质量技术监督检测院 | Smoke density measurement apparatus |
| CN109239256A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Aeronautical material combustion experimental device |
| CN109239257A (en) * | 2018-10-30 | 2019-01-18 | 中国民用航空飞行学院 | Multi-functional cabin interior material combustion characteristic experiment porch |
| CN114965854A (en) * | 2022-05-11 | 2022-08-30 | 扬州市金刚机械厂 | Cable smoke density test contrast machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104914004A (en) | Building material smoke density tester | |
| CN105489103A (en) | Experiment system for simulating cable burning under fire environment and method thereof | |
| JP2008057968A (en) | Method for mounting housing on duct and housing mechanism | |
| CN103604585A (en) | Portable fire protection lighting lamp performance testing device and method | |
| CN104865289B (en) | A kind of pavement heat radiation tester | |
| CN204694585U (en) | A kind of smoke density tester for building material | |
| CN103575760B (en) | A kind of measurement mechanism of combustion heat of cigarette and measuring method | |
| CN204649618U (en) | Detect the device of particle and gas simultaneously | |
| CN209387568U (en) | It is a kind of with cigarette is close and the flame retardant cable horizontal firing test device of temperature-monitoring function | |
| CN109211836A (en) | Plug-in type laser gas analysis device and method | |
| Heskestad et al. | Fire detection using cross-correlations of sensor signals | |
| CN106767200B (en) | Fireworks and firecrackers environmental-protecting performance detection device | |
| Su et al. | Performance measurement of a smoke extraction system for buildings in full-scale hot smoke test | |
| Lynch | High temperature spectroscopic measurements of aluminum combustion in a heterogeneous shock tube | |
| Horner | Aircraft materials fire test handbook | |
| Li et al. | Thermal radiation induced ignition of multipoint turbulent explosions | |
| CN204536185U (en) | The distribution type fiber-optic pick-up unit of multiple gases in high humidity explosive environments | |
| CN106501312A (en) | A kind of tunnel fire hazard burning HRR test system | |
| CN204758429U (en) | Smoke density testing arrangement | |
| CN114217007B (en) | Outer flame ignition platform based on cone calorimeter | |
| CN206459572U (en) | Fireworks and firecrackers environmental-protecting performance detection means | |
| CN102507498B (en) | Measurement range enlarging use method of gas tester and corresponding novel gas tester | |
| Hu et al. | Simulating smoke transport in large scale enclosure fires using a multi-particle-size model | |
| CN104865154A (en) | Smoke density test device | |
| CN209311333U (en) | A kind of detection device of LIP cigarette or LIP cigarette paper fire-retardant bandwidth and position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170125 Address after: 215000 B07 building, Yongjia science and Technology Park, Quanzhou District, Jiangsu, Xuzhou, China, 1-101,, 102 Applicant 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 Applicant before: Suzhou Phoenix quality inspection Instrument Ltd. |
|
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |
|
| RJ01 | Rejection of invention patent application after publication |