CN100544795C - Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen - Google Patents
Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen Download PDFInfo
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- CN100544795C CN100544795C CNB2006100306775A CN200610030677A CN100544795C CN 100544795 C CN100544795 C CN 100544795C CN B2006100306775 A CNB2006100306775 A CN B2006100306775A CN 200610030677 A CN200610030677 A CN 200610030677A CN 100544795 C CN100544795 C CN 100544795C
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Abstract
The invention belongs to the security against fire technical field, be specifically related to a kind ofly produce far red light simulation scene of a fire thermal environment, be used to test the comprehensive test device of penetrating quality of anti radiant heat for personal guard equipment of firemen based on radiant heat source.This device is mainly by radiant heat source, fixedly fixing bracing or strutting arrangement, temperature sensing device, control device, display unit and the annex etc. of reaching of heat-proof device, mobile heat-proof device, sample are formed, have characteristics such as simple to operate, diverse in function, put out a fire for the fireman penetrating quality of anti radiant heat performance test of protective gears such as Protective Boots, fireman's rescue boots, fireman's protective clothing for proximity fire fighting of the present invention provides research technique.
Description
Technical field
The invention belongs to the security against fire technical field, be specifically related to a kind ofly produce far red light simulation scene of a fire thermal environment, be used to test the comprehensive test device of penetrating quality of anti radiant heat for personal guard equipment of firemen based on radiant heat source.
Background technology
In the fire-fighting under battle conditions, flame is one of direct, the most dangerous damage factors of facing of fireman, flame mainly constitutes a threat to fireman's personal safety by conducting heat and radiant heat dual mode, so the penetrating quality of anti radiant heat performance is usually as one of leading indicator of weighing fireman's individual protective equipment performance.In recent years, along with being rooted in the hearts of the people of " people-oriented " idea, fireman's personal protection receives more concerns, and the standard relevant with fireman's individual protective equipment is in recent years in succession by system revision and issuing and implementation.In the GA6-2004 of new revision " fireman put out a fire Protective Boots " standard, GA88 " fireman's protective clothing for proximity fire fighting " standard and new " fireman's rescue protective clothes " industry standard of formulating, the penetrating quality of anti radiant heat performance indications of all clear and definite equipment, and its method of testing made detailed regulation, as shown in table 1:
The performance test of table 1 penetrating quality of anti radiant heat requires to gather
At present, China does not still have to satisfy the penetrating quality of anti radiant heat performance testing device of above-mentioned test request, the penetrating quality of anti radiant heat performance that existing similar testing arrangement is mainly used to test textile fabric, the radiant heat source of such experimental rig is generally the infrared ray halogen tungsten lamp, the about 1KW/m of radiation heat flux that can produce
2, can't satisfy the testing requirement of above-mentioned penetrating quality of anti radiant heat for personal guard equipment of firemen.Along with carrying out and implementing of standard, Bi Yao research technique and the test that can't be accurate and effective and the problem of checking equipment penetrating quality of anti radiant heat performance become increasingly conspicuous for want of, it is very necessary therefore to develop a kind of penetrating quality of anti radiant heat performance synthesis testing arrangement that satisfies above-mentioned requirements.
Summary of the invention
Close testing arrangement, to solve the problem that current shortage experimental rig is used to test penetrating quality of anti radiant heat for personal guard equipment of firemen.
Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen provided by the invention, its operation principle is to produce far red light simulation scene of a fire thermal environment by radiant heat source, sample is placed in this environment, specimen temperature will raise gradually under photothermal effect, estimate the penetrating quality of anti radiant heat performance of this equipment then by the rising value of temperature sensor measurement sample back temperature.
The integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen that the present invention proposes is divided into support platform, test macro and control system three parts from structure.Wherein support platform is made by metal material, form by rectangle desktop and dismountable table leg, spoke, the equal fixed placement of the equipment of test macro, control system on support platform, the whole height of support platform with make things convenient for the staff stand the operation be as the criterion.
Among the present invention, test macro by radiant heat source and support thereof, fixedly heat-proof device, mobile heat-proof device, sample is fixing and support system, temperature sensing device and bolograph are formed.Wherein:
Radiant heat source and support thereof are arranged on an end (as left end) of support platform.For satisfying testing requirement better, the radiant heat source of this device can be selected the hot device of the directed intense radiation of high temperature far infrared for use, and its greatest irradiation heat flux is greater than 40KW/m
2Radiant heat source is arranged on the support, and support is fixed on by screw on the desktop of support platform, and the effect of support is to make between the desktop of radiant heat source and support platform to keep a determining deviation, avoids the radiant heat direct irradiation and causes the support platform damage.
Fixedly heat-proof device is positioned at the right side of radiant heat source, and by fixing heat screen, fixedly heat screen support, circulation are formed, fixedly the heat screen size is slightly larger than the hot device of the directed intense radiation of high temperature far infrared, is used for block radiation heat and rearward shines; In the fixing center of heat screen a through hole is set, the size of through hole is by the decision of tested sample size, and radiant heat through hole thus passes to be radiated at and is used for test on the sample.
Mobile heat-proof device is made up of mobile heat screen, roller, motor, gear, mobile heat screen carriage, mobile heat screen support, and mobile heat screen size is slightly larger than the fixedly clear size of opening at heat screen center; Mobile heat screen is fixed in the mobile heat screen carriage, mobile heat screen carriage links to each other with mobile heat screen support by roller, can in the scope of setting, move at mobile heat screen under the effect of motor, thereby whether control is shone on the sample by the radiant heat that fixing heat screen central through hole sees through.Fixedly the surface treatment of heat screen, mobile heat screen becomes black, is convenient to absorb to greatest extent radiant heat, reduces reflection, reduces the heat affecting to surrounding environment.Fixedly heat screen, mobile heat screen are hollow structure, and two ends are provided with delivery port, water inlet up and down, can link to each other the water flowing cooling with water pipe.
Sample is fixed and is reached the right side that support system is positioned at removable heat-proof device, comprise specimen holder, specimen holder support, roller and guide rail, specimen holder is made up of two identical square frames and wing nut, and sample is placed in two frameworks, fix by wing nut, simple and convenient; The specimen holder support is placed on the guide rail, can slide arbitrarily on guide rail by roller, can change the distance between sample and the radiant heat source thus, thereby reaches the purpose of regulating radiant heat density that sample bears.
Specimen holder places on the specimen holder support.Fixedly the support of heat screen, mobile heat screen, specimen holder and infrared source (high temperature far infrared directed intense radiation hot device) support is similar, bearing height with guarantee the hot device of the directed intense radiation of infrared source high temperature far infrared, fixedly the mid point of heat screen, mobile heat screen, specimen holder is as the criterion on same straight line.
Temperature sensing device mainly is made up of 3 thermocouple probes and 3 supporting transmitters, and thermocouple probe is fixed on three different test points at the sample back side, helps improving precision of test result.
Bolograph is to be used for the equipment of measuring radiation heat flux size, is used for determining the distance between sample and the radiant heat source in this device, and its accuracy relation is one of vitals of this device to precision of test result.
Among the present invention, being provided with of control system improved the testing arrangement automaticity, mainly is made up of components and parts such as contactor, limit switch, relay, single-chip microcomputer, LCDs, keyboard and control cabinet.Wherein the control panel of control cabinet is provided with startup, stop button, has the keyboard of parameter set-up function, can show the LCDs of time, temperature and RS232 interface etc. simultaneously.The effect of parameter setup key dish (button) is the test operation, and the person can set the different testing times according to different test requirements documents, makes the applicability of this device more extensive; The RS232 interface is connected experimental rig with computer, by real-time displays temperature-time graph of computer etc.Because what this device radiant heat source adopted is the hot device of the directed intense radiation of high temperature far infrared, its operating voltage height, power is big, so installation contactor and relay are to guarantee the safe in utilization of radiant heat source.For controlling the displacement of mobile heat screen, respectively adorn a limit switch at the moving track two ends of mobile heat screen, after the preheating of radiant heat device finishes, the mobile heat screen of the automatic control of single-chip microcomputer moves after running into limit switch to an end and stops, by the time behind the experimental test time up, under the control of single-chip microcomputer, mobile heat screen moves behind the limit switch of running into front end to former direction and stops.
Among the present invention, by fixedly heat-proof device and mobile heat-proof device have been formed dual insulation system.
Among the present invention, specimen holder and support thereof can move by before and after roller is on guide rail, change the distance between sample and the radiant heat source, regulate the intensity of radiation heat flux that sample is born with this.
Among the present invention, two kinds of temperature reading modes are arranged: be respectively the direct reading of temperature display with by the RS232 port with draw temperature-time curve and reading after computer is connected, wherein show the temperature and the mean temperature thereof of three temperature sensors on the display screen simultaneously.
Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen provided by the invention, in test process, at first utilize the required radiation heat flux size of bolograph rating test, determine the position of specimen holder support, simultaneously thermocouple probe is fixed on the back side of sample, and be placed in the specimen holder sample fixing, specimen holder is placed on the specimen holder support again, test according to following flow process then: connect power supply, open switch, set the required testing time of sample; Press start button; The radiant heat device is connected power supply, and preheating also picks up counting; Mobile heat screen is removed automatically after reaching preheating time of setting, and radiant heat shines on the sample; The test beginning, recording test time, LCDs show the temperature variations that thermocouple records in real time; Reach the testing time of setting, the temperature show value stops to change, and mobile heat screen automatically resets; Reading, record; And, cut off the electricity supply EOT by " stopping " button.
Compare with existing apparatus, the present invention is with the obvious advantage: (1) radiant heat density height, and the radiation heat flux adjustable size that sample bore joint; (2) testing time can be set according to different test requirements documents, makes the applicability of this device more extensive; (3) the various temperature display mode satisfies different demands.Therefore, the invention has the beneficial effects as follows provides a kind of integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen, has filled up present blank in this respect.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the left view of structural representation of the present invention.
Fig. 3 is the structural representation of mobile heat-proof device among the present invention.
Fig. 4 is the fixing structural representation that reaches support system of sample among the present invention.
Fig. 5 is a control device block diagram among the present invention.
Fig. 6 is a control device panel schematic diagram among the present invention.
Fig. 7 is a radiant heat source control circuit schematic diagram among the present invention.
Fig. 8 is a mobile heat screen limit switch control circuit schematic diagram among the present invention.
Number in the figure: 1-support platform; The 2-test macro; The 3-control system; The 4-desktop; The 5-table leg; The 6-spoke; The 7-radiant heat source; 8-radiant heat source support; 9-is heat-proof device fixedly; 10-moves heat-proof device; Fixing and the support system of 11-sample; 12-is heat screen fixedly; 13-is the heat screen support fixedly; 14-moves heat screen; The 15-roller; The 16-motor; The 17-gear; 18-moves the heat screen carriage; 19-moves the heat screen support; The 20-specimen holder; 21-specimen holder support; The 22-guide rail; The 23-temperature shows; The 24-RS232 interface; The 25-single-chip microcomputer; The 26-temperature sensing device; The 27-parameter is set; The 28-keyboard; The 29-time showing; The 30-LCDs; The 31-switch; The 32-stop button; The 33-start button; The 34-relay indicating light; The 35-contactor; The 36-relay; The 37-limit switch.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
A preferred embodiment of the present invention is: this testing arrangement is made up of support platform 1, test macro 2 and control system 3 three parts.Wherein support platform 1 is a metal material, is made up of rectangle desktop 4, table leg 5 and spoke 6, and is detachable, rectangle desktop 4 long 120cm, wide 80cm, table leg 5 high about 85cm.
Test macro 2 mainly by radiant heat source 7 and support 8 thereof, fixedly heat-proof device 9, mobile heat-proof device 10, sample is fixing and support system 11 and temperature sensing device 26, bolograph etc. are formed.This testing arrangement selects for use the hot device of the directed intense radiation of high temperature far infrared (rich peak height energy radiation device Co., Ltd makes by Shanghai) as radiant heat source 7, its radiating surface is of a size of 30cm * 28cm, power is 10.5KW, the about 125KW/m of producible greatest irradiation heat flux theoretical value
2Radiant heat source support 8 similar support holder structures are fixed on by 4 screws on the desktop 4 of support platform 1, and bearing height is 18cm.Fixedly heat-proof device 9 is by fixing heat screen 12, fixedly heat screen support 13 is formed, and fixedly heat screen 12 is a hollow structure, long 38cm, and wide 36cm, thickness are 2cm, fixedly the center of heat screen 12 is provided with a square through-hole, the long 15cm in this hole, wide 15cm; Two ends be respectively equipped with delivery port, water inlet at fixing heat screen about in the of 12, link to each other with tap, tank by rubber tube and carry out the water circulation.Mobile heat-proof device 10 is made up of mobile heat screen 14, roller 15, motor 16, gear 17, mobile heat screen carriage 18, mobile heat screen support 19 etc., mobile heat screen 14 sizes are slightly larger than the fixedly square through-hole at heat screen 12 centers, length and width is 20cm, thickness is 2cm, hollow structure, two ends are respectively equipped with delivery port, water inlet up and down, link to each other with tap, tank by rubber tube and carry out the water circulation; Mobile heat screen 14 is fixed in the mobile heat screen carriage 18, and mobile heat screen carriage 18 links to each other with mobile heat screen support 19 by roller 15, but move left and right under external force; Motor 16 is selected east, Wenzhou force motor Industrial Co., Ltd micromachine for use, and power is 15w, and motor 16 drives mobile heat screen carriage 18 by gear 17 transmissions, thereby realizes moving of mobile heat screen 14.Fixedly the surface of heat screen 12, mobile heat screen 14 is processed into black by blackening, is convenient to absorb to greatest extent radiant heat, reduces reflection.At sample in the fixing and support system 11, specimen holder 20 is made up of two identical square frames and wing nut, and the outside dimensions of square frame is 15.5cm * 15.5cm, and inside casing is of a size of 14.5cm * 14.5cm, sample is placed in two frameworks, fixes by wing nut; Specimen holder 20 is placed on the specimen holder support 21, and specimen holder support 21 is fixed on the guide rail 22, and moves on guide rail 22 by roller, guide rail 22 length overall 67.7cm, and transverse width is 14.4cm, is fixed on by four screws on the desktop 4 of support platform 1.Temperature sensing device 26 mainly is made up of 3 thermocouple probes and 3 supporting transmitters, and thermocouple probe is fixed on three differences at the sample back side, gets its mean value as measurement result; Thermocouple probe that this device is selected for use and transmitter thereof are the K type, and the thermocouple probe response time is lower than 1s, and the temperature range of transmitter is 0～100 ℃.The product that bolograph adopts the First Academy of China Aerospace Science and Technology Corporation 704 to be produced is made up of CR4-4-1 heat flow transducer and the automatic cold-patch thermocouple of YA8-37-9 amplifier.
This apparatus control system mainly is made up of components and parts such as contactor 35, limit switch 37, relay 36, single-chip microcomputer 25, LCDs 30, keyboard 28 and control cabinet.Wherein the control panel of control cabinet mainly comprises switch 31, start button 33, stop button 32, has the keyboard 28 of parameter set-up function, LCDs 30, relay indicating light 34 and the RS232 interface 24 etc. that can show time, temperature simultaneously, the effect of parameter setting button 27 is the test operation, and the person can set the different testing times according to different test requirements documents, make the applicability of this device more extensive; RS232 interface 24 makes experimental rig to be connected with computer, by real-time displays temperature-time graph of computer etc.Because what this device radiant heat source 7 adopted is the hot device of the directed intense radiation of high temperature far infrared, its operating voltage height, power is big, so installation contactor 35 and relay 36 are to guarantee the safe in utilization of radiant heat source 7.For controlling the displacement of mobile heat screen 14, respectively adorn a limit switch 37 at the moving track two ends of mobile heat screen 14.
Claims (3)
1, a kind of integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen, form by support platform, test macro and control system, test macro and control system all are arranged on the support platform, it is characterized in that said test macro by radiant heat source and support thereof, fixedly heat-proof device, mobile heat-proof device, sample is fixing and support system, temperature sensing device and bolograph are formed, wherein:
Radiant heat source is arranged on the support, and support is fixed on the desktop of support platform;
Fixedly heat-proof device is positioned at the right side of radiant heat source, by fixing heat screen, fixedly heat screen support, circulation are formed, fixedly the heat screen size is slightly larger than radiant heat source, being used for block radiation heat rearward shines, in the fixing center of heat screen a through hole is set, the size of through hole is by tested sample size decision, and radiant heat through hole thus passes and is radiated on the sample, is used for test;
Mobile heat-proof device is positioned at the fixedly right side of heat-proof device, is made up of mobile heat screen, roller, motor, gear, mobile heat screen carriage, mobile heat screen support, and mobile heat screen size is slightly larger than the fixedly clear size of opening at heat screen center; Mobile heat screen is fixed in the mobile heat screen carriage, mobile heat screen carriage links to each other with mobile heat screen support by roller, move in the scope of setting at mobile heat screen under the effect of motor, thereby whether control shines on the sample by the radiant heat that fixing heat screen central through hole sees through;
Fixedly heat screen, mobile heat screen are hollow structure, and two ends are provided with delivery port, water inlet up and down, link to each other the water flowing cooling with water pipe;
Sample is fixed and is reached the right side that support system is positioned at mobile heat-proof device, form by specimen holder, specimen holder support, roller and guide rail, specimen holder is made up of two identical square frames and wing nut, and sample is placed in two frameworks, fixes by wing nut; The specimen holder support is placed on the guide rail, slides arbitrarily on guide rail by roller, can change the distance between sample and the radiant heat source thus, thereby regulates radiant heat density that sample bears;
Specimen holder places on the specimen holder support, infrared source, fixedly the mid point of heat screen, mobile heat screen, specimen holder on same straight line;
Temperature sensing device is made up of 3 thermocouple probes and 3 supporting transmitters, and thermocouple probe is fixed on three different test points at the sample back side;
Bolograph is used for the distance between definite sample and the radiant heat source.
2, integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen according to claim 1 is characterized in that radiant heat source selects the hot device of the directed intense radiation of high temperature far infrared for use, and its greatest irradiation heat flux is greater than 40kw/m
2
3, integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen according to claim 2, it is characterized in that said control system is made up of contactor, limit switch, relay, single-chip microcomputer, LCDs, keyboard and control cabinet, wherein the control panel of control cabinet is provided with startup, stop button, keyboard with parameter set-up function can show the LCDs and the RS232 interface of time, temperature simultaneously; The parameter setup key dish is set the different testing times for the test operation person according to different test requirements documents; The RS232 interface is connected experimental rig with computer; Contactor and relay are in order to guarantee the safe in utilization of radiant heat source; Respectively adorn a limit switch at the moving track two ends of mobile heat screen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100306775A CN100544795C (en) | 2006-08-31 | 2006-08-31 | Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100306775A CN100544795C (en) | 2006-08-31 | 2006-08-31 | Integration device for testing penetrating quality of anti radiant heat for personal guard equipment of firemen |
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| CN1915455A CN1915455A (en) | 2007-02-21 |
| CN100544795C true CN100544795C (en) | 2009-09-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101303339B (en) * | 2008-06-26 | 2011-12-07 | 中国人民解放军总后勤部军需装备研究所 | Fire field environmental simulation system |
| CN101929991B (en) * | 2009-06-25 | 2012-02-01 | 中国人民解放军总后勤部军需装备研究所 | Laboratory generating system in fire scene |
| CN102269722B (en) * | 2011-05-05 | 2013-05-08 | 东华大学 | Tester of thermal protection of fabric system |
| CN105301043B (en) * | 2015-09-16 | 2018-04-24 | 东华大学 | A kind of tester of textile system synthesis thermal protective performance |
| CN110609058A (en) * | 2019-09-10 | 2019-12-24 | 东华大学 | Instrument for testing thermal protection performance of firefighter uniform under human body movement |
-
2006
- 2006-08-31 CN CNB2006100306775A patent/CN100544795C/en not_active Expired - Fee Related
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| 新型防护织物辐射系数测试仪. 朱方龙，张渭源.纺织学报，第27卷第5期. 2006 |
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