CN104502406A - Flame alarming and testing process monitoring system for combustion tester - Google Patents
Flame alarming and testing process monitoring system for combustion tester Download PDFInfo
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- CN104502406A CN104502406A CN201410789614.2A CN201410789614A CN104502406A CN 104502406 A CN104502406 A CN 104502406A CN 201410789614 A CN201410789614 A CN 201410789614A CN 104502406 A CN104502406 A CN 104502406A
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Abstract
The invention discloses a flame alarming and testing process monitoring system for a combustion tester. The flame alarming and testing process monitoring system comprises a base and a fuel gas blast burner arranged on the base, wherein a bracket used for fixing an ignition needle and a thermocouple is arranged in the middle of the fuel gas blast burner; the fuel gas blast burner is connected with a fuel gas electromagnetic valve; the ignition needle is connected with a high-pressure ignition bag; the thermocouple is connected with a temperature transmitter; the fuel gas electromagnetic valve, the ignition needle and the high-pressure ignition bag are all connected with an experiment control system. The flame alarming and testing process monitoring system for the combustion tester can be used for monitoring whether flame is extinguished accidently or belongs to a change of a flame combustion state during combusting, thereby transmitting a flame combustion state signal to a testing system, and transmitting a combustion state and a combustion phenomenon of flame in an experiment process to the control system; if flame is extinguished in a process, a fuel gas supplying system can be immediately closed to avoid causing an explosion risk and data such as relevant flame temperature is immediately transmitted to the testing system so that a testing result is analyzed in the whole process. Meanwhile, the flame alarming and testing process monitoring system is low in cost and has a good experiment effect.
Description
Technical field
The present invention relates to a kind of flame to report to the police and process of the test supervisory system, be specially a kind of burning tester flame and report to the police and process of the test supervisory system.
Background technology
Along with expanding economy, country also more and more payes attention to security against fire, and the requirement that Flame Retardancy can be tested also gets more and more; The standard of relevant flame retardant test increases also definitely year by year; The kind of flame retardant test instrument and producer also increase gradually in recent years; But flame retardant test instrument domestic is at present substantially all the parameter request according to standard, reaches the object of standard testing and the requirement of precision and manufacture and design; These equipment, except part producer is because of design defect or select parts not meet except standard-required, can reach the object of test substantially.
There is following problem in prior art:
Problem 1: the requirement of and the test result of more emphasis test conditions inside most standard own.And to the security of testing apparatus itself and the clear and definite requirement of test process, when particularly scientific research institutions carry out frontier nature scientific research and testing, need to carry out monitoring research to experimentation, and current measured inspectability experimental facilities can not meet the object of scientific research completely; Combustion testing equipment is substantially all realized by gas ignition; The control of combustion gas control and flame determines the security of equipment; And combustion testing equipment in the market does not all design gas safety alarming device substantially, such device security hidden danger is very large.
Problem 2: current all testing agencies and scientific research department analyze the result that intelligent combustion is tested and cannot the impact of change on experimental result of judgment experiment process Flame have much; Particularly scientific research part, a judged result is inadequate, analyzes the flame change in experimentation even more important on the impact of test result.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, a kind of burning tester flame is provided to report to the police and process of the test supervisory system, whether flame when can monitor burning is because of the unexpected change of extinguishing or belonging to flame combustion state, thus transmit flame combustion state signal to test macro, and the fired state of experimentation Flame is sent to control system, thus solves the problem.
For achieving the above object, the invention provides following technical scheme: a kind of burning tester flame is reported to the police and process of the test supervisory system, comprise base and be arranged on the Gas blowtorch on base, the support of fixed ignition pin and thermopair is installed in the middle part of described Gas blowtorch; Described Gas blowtorch connects gas electromagnetic valve; Described ignition electrode connects high-tension ignition bag; Described thermopair connects temperature transmitter; Described gas electromagnetic valve, described ignition electrode are all connected Experimental Control System with described high-tension ignition bag.
Further, described Gas blowtorch top is provided with gas injection socket, and described thermopair top is arranged on above described gas injection socket.
Further, described Experimental Control System comprises temperature signal receiver module, temperature signal judge module, judge temperature whether abnormal module, alarm module and remarks data module, described temperature signal receiver module, temperature signal judge module, judge temperature whether abnormal module, between alarm module and remarks data module, electric signal connects.
Compared with prior art, the invention has the beneficial effects as follows: this kind of burning tester flame is reported to the police and process of the test supervisory system, whether flame when can monitor burning is because of the unexpected change of extinguishing or belonging to flame combustion state, thus transmit flame combustion state signal to test macro, and the fired state of experimentation Flame is sent to control system; If occur flame-out during the course, gas supply system can be closed in time and avoid blasting risk and the data such as relevant flame temperature being sent to test macro in time, to carry out whole process analysis to test result; The impact of change on experimental result that external factor causes flame status can be considered when assessing test report.And this installation cost is low, experiment effect good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.
Fig. 1 is that a kind of burning tester flame of the present invention is reported to the police and process of the test supervisory system structural representation;
Fig. 2 is that a kind of burning tester flame of the present invention is reported to the police and process of the test supervisory system principle schematic;
In figure: 1, base; 2, support; 3, ignition electrode; 4, Gas blowtorch; 5, thermopair; 6, gas injection socket; 7, gas electromagnetic valve; 8, temperature transmitter; 9, high-tension ignition bag; 10, Experimental Control System; 11, control system schematic diagram; 13, signal receiving module; 12, temperature signal judge module; 14, temperature whether abnormal module is judged; 15, alarm module; 16, remarks data module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is only the present invention's part embodiment; instead of whole embodiments; based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-2, the invention provides a kind of technical scheme: a kind of burning tester flame is reported to the police and process of the test supervisory system, comprise base 1 and be arranged on the Gas blowtorch 4 on base 1, the support 2 of fixed ignition pin 3 and thermopair 5 is installed in the middle part of Gas blowtorch 4; Gas blowtorch 4 connects gas electromagnetic valve 7; Ignition electrode 3 connects high-tension ignition bag 9; Thermopair 5 connects temperature transmitter 8; Gas electromagnetic valve 7, ignition electrode 3 are all connected Experimental Control System 10 with high-tension ignition bag 9.
Gas blowtorch 4 top is provided with gas injection socket 6, and thermopair 5 top is arranged on above described gas injection socket 6; Experimental Control System 10 comprises temperature signal receiver module 13, temperature signal judge module 12, judge temperature whether abnormal module 14, alarm module 15 and remarks data module 16; Temperature signal receiver module 13, temperature signal judge module 12, judge temperature whether abnormal module 14, between alarm module 15 and remarks data module 16, electric signal connects.Wherein temperature signal receiver module 13 is for receiving the temperature of thermopair 5 conveying; Temperature signal judge module 12 pairs of temperature compare, and judge temperature whether normal combustion, if normal, continue experiment; If just not long, further by judging whether abnormal module 14 judges whether the ANOMALOUS VARIATIONS of temperature belongs to normal variation to temperature, namely judge whether to stop working, if flame-out, control gas electromagnetic valve 7 by alarm module 15 and close gas burning system, and by remarks data module 16 remarks data now, then continue experiment; Not flame-out by remarks data module 16 remarks data now if judge yet, then continue experiment.
Said temperature signal sends temperature signal receiver module 13 by thermopair 5 at gas injection socket 6 probe temperature at Gas blowtorch 4 top; Above-mentioned Experimental Control System 10 can also control ignition electrode 3 realization igniting by controlling high-tension ignition bag 9 and disconnects combustion gas by controlling gas electromagnetic valve 7 thus close burning things which may cause a fire disaster.
Concrete principle: the assessment of stability to test material burning performance of combustion testing flame is very crucial factor, so most combustion testing standard has all done very clearly detailed regulation to the stability of combustion flame; And the factor that the stability of combustion flame plays decision is comprised: gas families, gaseous-pressure, gas flow, the stability of fuel gas temperature, burning blowtorch shape etc. and these factors." stabilize the flame " namely refer to above-mentioned condition all reach relevant criterion require and reach relevant criterion require stability condition under flame.
Computing Principle 1: under normal circumstances, any shape stabilized the flame is certain, comprises the physical dimension of flame and the color of flame; And the temperature of the diverse location stabilized the flame also is different; Usual flame epitaxial temperature is best, and flame internal flame temperature is lower, and bocca place temperature is minimum;
Computing Principle 2: the fixed position stabilized the flame, the change of its temperature is very little;
Computing Principle 3: fix if thermopair is put 5 positions being placed in burning blowtorch mouth 6, and adjust size and the height of the shape of flame, the temperature that thermopair 5 detects has and obviously changes.
Relevant apparatus of the present invention: flame cutoff or fired state device by be arranged on flame profile stablize after the thermopair 5 of fixed position, the band signal temperature transmitter 8, process of the test supervisory system and the Experimental Control System 10 that export form; Process of the test supervisory system comprises: PLC system or other computer softwares are to the calculation and test PMS of temperature.
Computing Principle to temperature computation and monitoring:
Design concept 1: according to Computing Principle 2, thermopair 5 can flame combustion state at any time in monitoring test process, and in test process delivery status instruction to test macro; Test macro can adjust experiment process according to the flame status received or carry out remarks to the different phase of test to experimental data; Such as: monitoring flame temperature has and obviously change, and just carries out remarks to the data in this moment at once, to carry out flame status analysis to the data of laboratory report after test;
Design concept 2: judge fray-out of flame or flame combustion instability according to the numerical values recited of thermopair temperature 5 degrees of data change; Thus judge whether that will close combustion gas at once terminates test or carry out record continuation test to flame status; The method needs under the condition of different test flame, gather mass data and calculates correlated judgment data;
Design concept 3: after judging that flame determines extinguishing according to the change of thermopair 5 temperature data, transmit flame-out instruction immediately to test macro, test macro according to misfire signals, can close gas supply system at once; Object prevents without under condition of a fire condition, and combustion gas continues to flow in combustion testing environment the risk that sets off an explosion; Test macro also can preserve current experiment data while closedown gas burning system.
The present invention is that a kind of burning tester flame is reported to the police and process of the test supervisory system, whether flame when can monitor burning is because of the unexpected change of extinguishing or belonging to flame combustion state, thus transmit flame combustion state signal to test macro, and the fired state of experimentation Flame is sent to control system; If occur flame-out during the course, gas supply system can be closed in time and avoid risk of blasting; The impact of change on experimental result that external factor causes flame status can be considered when assessing test report.And this installation cost is low, experiment effect good.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or equivalent replacement is carried out to wherein portion of techniques feature, within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improve, all should be included within protection scope of the present invention, the quantity of such as thermopair can be 1, or arrange some according to flame size and actual needs.
Claims (3)
1. burning tester flame is reported to the police and a process of the test supervisory system, it is characterized in that: comprise base and be arranged on the Gas blowtorch on base, be provided with the support of fixed ignition pin and thermopair in the middle part of described Gas blowtorch; Described Gas blowtorch connects gas electromagnetic valve; Described ignition electrode connects high-tension ignition bag; Described thermopair connects temperature transmitter; Described gas electromagnetic valve, described ignition electrode are all connected Experimental Control System with described high-tension ignition bag.
2. a kind of burning tester flame according to claim 1 is reported to the police and process of the test supervisory system, and it is characterized in that: described Gas blowtorch top is provided with gas injection socket, described thermopair top is arranged on above described gas injection socket.
3. a kind of burning tester flame according to claim 1 is reported to the police and process of the test supervisory system, it is characterized in that: described Experimental Control System comprises temperature signal receiver module, temperature signal judge module, judge temperature whether abnormal module, alarm module and remarks data module, described temperature signal receiver module, temperature signal judge module, judge temperature whether abnormal module, between alarm module and remarks data module, electric signal connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410789614.2A CN104502406A (en) | 2014-12-17 | 2014-12-17 | Flame alarming and testing process monitoring system for combustion tester |
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| CN201410789614.2A CN104502406A (en) | 2014-12-17 | 2014-12-17 | Flame alarming and testing process monitoring system for combustion tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762119A (en) * | 2018-05-25 | 2018-11-06 | 北京海光仪器有限公司 | A kind of flame ignition device and control method for analytical instrument |
| CN109682924A (en) * | 2018-12-27 | 2019-04-26 | 南京工业大学 | Test device and test method for forming jet fire by leakage ignition of high-pressure gas pipeline |
| CN111474208A (en) * | 2020-04-17 | 2020-07-31 | 南京工业大学 | Simulation experiment and suppression device for gas cloud explosion of non-uniform gradient concentration formed by gas leakage in urban underground pipe gallery cabin |
| CN116400003B (en) * | 2023-03-07 | 2023-11-28 | 浙江中检海德标准技术有限公司 | Building material combustion experiment system and combustion analysis method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762119A (en) * | 2018-05-25 | 2018-11-06 | 北京海光仪器有限公司 | A kind of flame ignition device and control method for analytical instrument |
| CN108762119B (en) * | 2018-05-25 | 2023-04-25 | 北京海光仪器有限公司 | Flame ignition device for analytical instrument and control method |
| CN109682924A (en) * | 2018-12-27 | 2019-04-26 | 南京工业大学 | Test device and test method for forming jet fire by leakage ignition of high-pressure gas pipeline |
| CN109682924B (en) * | 2018-12-27 | 2024-04-09 | 南京工业大学 | Device and method for testing leakage ignition of high-pressure gas pipeline to form injection fire |
| CN111474208A (en) * | 2020-04-17 | 2020-07-31 | 南京工业大学 | Simulation experiment and suppression device for gas cloud explosion of non-uniform gradient concentration formed by gas leakage in urban underground pipe gallery cabin |
| CN111474208B (en) * | 2020-04-17 | 2022-04-05 | 南京工业大学 | Simulation experiment and suppression device for gas cloud explosion of non-uniform gradient concentration formed by gas leakage in urban underground pipe gallery cabin |
| CN116400003B (en) * | 2023-03-07 | 2023-11-28 | 浙江中检海德标准技术有限公司 | Building material combustion experiment system and combustion analysis method |
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Address after: 215101 2, 216 Jinfeng Road, Mu Du Town, Wuzhong District, Suzhou, Jiangsu (room 1019, building C, Dong Chuang science and Technology Park) Applicant after: Tess Tek (Suzhou) Testing Instrument Technology Co., Ltd. Address before: 215101 2, 216 Jinfeng Road, Mu Du Town, Wuzhong District, Suzhou, Jiangsu (room 1019, building C, Dong Chuang science and Technology Park) Applicant before: TESTECH INSTRUMENT (SUZHOU) TECHNOLOGIES CO., LTD. |
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Application publication date: 20150408 |
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