CN101738350B - Device and method for continuously testing combustion speed of candle in real time - Google Patents
Device and method for continuously testing combustion speed of candle in real time Download PDFInfo
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- CN101738350B CN101738350B CN2009102487995A CN200910248799A CN101738350B CN 101738350 B CN101738350 B CN 101738350B CN 2009102487995 A CN2009102487995 A CN 2009102487995A CN 200910248799 A CN200910248799 A CN 200910248799A CN 101738350 B CN101738350 B CN 101738350B
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Abstract
The invention relates to device and method for continuously testing the combustion speed of a candle in real time. The device comprises an electronic balance, a shooting device, an input device, a storing part and a microprocessor, wherein the microprocessor comprises an image acquiring part, an image processing part, a weight acquiring part, a setting part and a calculating part, the image acquiring part is used for acquiring a candle flame image; the image processing part is used for analyzing and obtaining candle flame height in the process of combustion according to the candle flame image acquired by the image acquiring part; the weight acquiring part is used for acquiring candle weight and the candle weight in the process of combustion; the setting part is used for setting time intervals of the image acquiring part acquiring the flame height and image and time intervals of the weight acquiring part acquiring the candle weight; and the calculating part is used for calculating and obtaining the combustion speed of the candle according to the flame height obtained by the image processing part and the consumption weight of the candle in the process of combustion. The invention overcomes the defect of manual interrupted test, ensures the truth and completeness of test data and eliminates the errors of manual test.
Description
Technical field
The present invention relates to a kind of device and method of testing combustion speed of candle, particularly the device and method of automatic continuously testing combustion speed of candle in real time.
Background technology
Combustion speed of candle is meant under certain candle flame height situation, the weight of unit interval internal consumption candle, and available flame height * * during mm, g/h represents.It is important technical and economical index of candle industry.The candle of different size color moulding can use in different occasions, and the client also has different requirements to the flame height of candle combustion; Candle also can use different raw materials simultaneously, and certain flame height is made and guaranteed to different candle wicks.Reaching under client's technical request, the candle raw material that the selectivity price ratio the is high particular importance that just seems, the test combustion speed of candle helps us to select only material prescription.
At present both at home and abroad, every needs are done the candle manufacturer of combustion rate test, the method of the test combustion speed of candle that it is traditional all is manually to finish following work: regularly manually measure flame height and recording test time and flame height with chi, take by weighing behind candle original weight and the candle combustion residual heavy, the candle grammes per square metre of calculating average flame height and consuming in a hour.Its shortcoming is: efficient is low, the lost labor, and the test data authenticity is poor, integrality is poor, accuracy is also poor, can not realize continuous real-time testing.
Summary of the invention
The objective of the invention is to address the above problem, can raise the efficiency, save manually, can realize again, improve the authenticity of test data, integrality, accuracy the continuous real-time testing of combustion speed of candle.
A kind of device of continuously testing combustion speed of candle in real time comprises:
Be used to measure the electronic balance of candle weight, be used to monitor the filming apparatus of flame height, be used to import the input media of set information, the storage part of storage set information and the flame height that obtains, candle weight information is used to handle the microprocessor from the information of electronic balance, filming apparatus, input media acquisition;
Described microprocessor has image acquiring unit, image processing part, weight acquisition unit, configuration part and calculating part; Described image acquiring unit is obtained the candle flame image; Described image processing part, the candle flame graphical analysis of obtaining according to image acquiring unit draws the candle flame height in the combustion process; Described weight acquisition unit is obtained candle weight, is reached the weight of candle in combustion process; Described configuration part is used to set image acquiring unit and obtains the time interval of flame height image and the time interval that the weight acquisition unit is obtained candle weight; Described calculating part, the weight that flame height that obtains according to described image processing part and candle consume in combustion process calculates combustion speed of candle.
Described calculating part, the mean value of the flame height that image processing part in the unit interval is obtained and the weight that candle consumes in combustion process calculate combustion speed of candle.
Described electronic balance and described filming apparatus can be measured weight and photographic images to aflame candle synchronously.
Described microprocessor can connect a plurality of electronic balances and filming apparatus simultaneously.
Described device also is provided with the display device that is used to show flame image, flame height, candle weight, candle material information and combustion rate.
Utilize above-mentioned proving installation to carry out the method for continuously testing combustion speed of candle in real time, comprise the steps:
1) opens the testing combustion speed of candle in real time device, the input set information;
2) uprightly be placed on candle to be measured on the electronic balance that has computer interface and light;
3) filming apparatus is aimed at the candle that burns;
4) measure candle weight simultaneously and obtain the candle combustion picture according to time interval electronic balance and the filming apparatus set, and with above-mentioned information input microprocessor and storage;
Flame height when 5) microprocessor draws candle combustion after with the candle combustion image analysis processing of obtaining;
6) calculate combustion speed of candle.
The device and method of test combustion speed of candle provided by the invention mainly is applicable to the container wax of various materials such as the special-shaped candle of bar wax, plain candle, square wax, spherical wax and various non-geometric configuratioies of geometric configuration and tea wax, glass cylinder wax.
And can realize: a computing machine can be tested 60 or more a plurality of sample simultaneously; Continuous 200 hours or longer time real-time testing; Automatically finish data acquisition, processing, record, preservation; Can test candle height≤380mm, the sample of flame height 8-60mm.
The present invention has the following advantages:
1, can realize the automatic electronic continuously testing combustion speed of candle in real time, overcome the deficiency of artificial interruption test;
2, the authenticity of test data, integrality, accuracy is better than the manual testing; Stopped manual testing's error;
3, improve work efficiency, saved test manually, lowered testing cost.
Description of drawings
Fig. 1 is the apparatus structure synoptic diagram of continuously testing combustion speed of candle in real time of the present invention.
Fig. 2 is the apparatus function module map of continuously testing combustion speed of candle in real time of the present invention.
Embodiment
Below, the present invention is described in detail with reference to accompanying drawing.
Fig. 1 is the apparatus structure synoptic diagram of continuously testing combustion speed of candle in real time of the present invention.Among the figure, 1 is microprocessor, and data are handled and processing procedure is controlled.2 for shooting (photograph) machine as CCD camera or ccd video camera, scene image when taking candle combustion, the image that obtains is outputed to microprocessor 1, processing by microprocessor 1 obtains the candle flame elevation information, and (flame height is an important parameter of combustion flame, it influences flame transmission and radiation characteristic, and the flame height feature comprises average flame height and two aspects of ripple frequency.For example: [
2008 6 phases of combustion science and technology] China Science ﹠ Technology University's SKLFS " based on the brightness of image statistical study flame height feature " delivered cited based on the Matlab video image analysis, proposed the probability of bright spot and the bright spot number on the flame kernel line to occur by position in the statistics flame image time series, extract the average height of flame and the method for ripple frequency, detailed here).3 is electronic balance, and the weight information that obtains is outputed to microprocessor 1 and storage.4 is input media, is made of input equipments such as keyboard, telepilot or touch-screens, and the signal that the user is imported outputs in the microprocessor 1.5 is display device, is made of color CRT or color liquid crystal display unit etc., can will be presented on the screen from microprocessor 1 and by flame height collection picture, combustion speed of candle and relevant information etc. that not shown display driver is exported.6 is printer.7 is memory storage, by formations such as semiconductor memory such as rom memory cells such as HDD (hard disk), CD and DVD or Flash-ROM, storage detects set information as the raw material of candle, wax core model, the information that needs the time of detecting, the interval time of obtaining weight and flame image etc., and the information such as weight, flame height, combustion rate that write down per time interval.
Fig. 2 is the apparatus function module map of continuously testing combustion speed of candle in real time of the present invention.Symbol 101 is an image acquiring unit, for example is made of the scene image when obtaining candle combustion above-mentioned video camera 2.Symbol 102 is an image processing part, handles the view data of being obtained by above-mentioned image acquiring unit 101, and result is outputed to calculating part 103.Symbol 104 is the weight acquisition unit, as constituting by above-mentioned electronic balance 3, and the weight when obtaining candle combustion, and output to calculating part.Symbol 106 is the configuration part, by relevant informations such as the tested candle raw material of input media 4 input, wax core matter, candle diameter, test durations, also can be used for setting image acquiring unit and obtain the time interval of flame height image and the information such as the time interval that the weight acquisition unit is obtained candle weight.Image acquiring unit 101 and weight acquisition unit 104 can be obtained image and weight information synchronously.Symbol 103 is a calculating part, calculates combustion speed of candle according to the result of image processing part 102 and weight acquisition unit 104.And store storage part 105 into.Each component part shown in the above-mentioned symbol 101～106 is connected with control part 100 respectively, and by its action of this control part 100 controls, this control part 100 is made of microprocessor 1 and not shown RAM etc.
In addition, the present invention can also adopt the method for following two Chinese patents to the detection of candle flame sensitivity:
1,200710067533.1 device for detecting lighter flame height
2,200820083163.0 1 kinds of device for detecting lighter flame height
As the flame height information of utilizing above-mentioned two kinds of methods to obtain replaces camera head 2 acquisitions and handles the flame height information that obtains by microprocessor 1.
[first embodiment]
Continuous 9 hours real-time testing 9670 bar wax combustion rates
Select specimen.Adopt Dalian 64# paraffin prescription, wax core HZL30/C
The first step: with above-mentioned tea wax information input computing machine, and set per 10 minutes and take pictures, weighing once.
Second step: light sample.Uprightly be placed on 9607 bar waxes on the electronic balance that has computer interface and light.
The 3rd step: setup test.The camera that connects is on computers aimed at candle flame.
The 4th step: gather and preserve data.The gentle computing machine in unlocking electronic sky is according to showing, preserve flame height image and candle weight data simultaneously on the Time Calculation machine of setting.
The 5th step: check the side test result.(getting preceding 5 hours)
Time flame height mm combustion rate g/h
1. first hour 45 6.8
2. second hour 47 7.5
3. the 3rd hour 46 6.4
4. the 4th hour 47 6.6
5. the 5th hour 46 8.0
[second embodiment]
Continuous 10 hours real-time testing 7*15 plain candle combustion rates
Select specimen.Adopt 85%1698 (palm stearin)+15%1600 (palm wax) prescription, wax core ZG30ST.
The first step: with above-mentioned tea wax information input computing machine, and set per 10 minutes and take pictures, weighing once.
Second step: light sample.Uprightly be placed on the 7*15 plain candle on the electronic balance that has computer interface and light.
The 3rd step: setup test.The camera that connects is on computers aimed at candle flame.
The 4th step: gather and preserve data.The gentle computing machine in unlocking electronic sky is according to preserving flame height image and candle weight data simultaneously on the Time Calculation machine of setting.
The 5th step: check the side test result.(getting preceding 5 hours)
Time flame height mm combustion rate g/h
1. first hour 39 6.7
2. second hour 42 7.7
3. the 3rd hour 40 6.8
4. the 4th hour 38 6.4
5. the 5th hour 40 6.8
[the 3rd embodiment]
Continuous 4 hours real-time testing can tea wax (can only burn about 4 hours) combustion rates
Select specimen.Adopt can tea wax, material prescription upper strata 40%54# paraffin, lower floor 60%1600 (palm wax), wax core CWE13ST
The first step: with above-mentioned tea wax information input computing machine, and set per 5 minutes and take pictures, weighing once.
Second step: light sample.Uprightly be placed on tea wax wax on the electronic balance that has computer interface and light.
The 3rd step: setup test.The camera that connects is on computers aimed at candle flame.
The 4th step: gather and preserve data.The gentle computing machine in unlocking electronic sky is according to showing, preserve flame height image and candle weight data simultaneously on the Time Calculation machine of setting.
The 5th step: check the side test result.(getting preceding 4 hours)
Time flame height mm combustion rate g/h
1. first hour 21 2.5
2. second hour 19 3.2
3. the 3rd hour 20 3.0
4. the 4th hour 18 2.6
To sum up, embodiments of the invention are illustrated.But the present invention is not limited to the scope that the foregoing description is recorded and narrated; anyly be familiar with those skilled in the art in the disclosed technical scope of the present invention; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (6)
1. the device of a continuously testing combustion speed of candle in real time is characterized in that comprising:
Be used to measure the electronic balance of candle weight, be used to monitor the filming apparatus of flame height, be used to import the input media of set information, the storage part of storage set information and the flame height that obtains, candle weight information is used to handle the microprocessor from the information of electronic balance, filming apparatus, input media acquisition;
Described microprocessor has image acquiring unit, image processing part, weight acquisition unit, configuration part and calculating part; Described image acquiring unit is obtained the candle flame image; Described image processing part, the candle flame graphical analysis of obtaining according to image acquiring unit draws the candle flame height in the combustion process; Described weight acquisition unit is obtained candle weight, is reached the weight of candle in combustion process; Described configuration part is used to set image acquiring unit and obtains the time interval of flame height image and the time interval that the weight acquisition unit is obtained candle weight; Described calculating part, the weight that flame height that obtains according to described image processing part and candle consume in combustion process calculates combustion speed of candle.
2. the device of continuously testing combustion speed of candle in real time according to claim 1, it is characterized in that described calculating part, the mean value of the flame height that image processing part in the unit interval is obtained and the weight that candle consumes in combustion process calculate combustion speed of candle.
3. the device of continuously testing combustion speed of candle in real time according to claim 1 is characterized in that described electronic balance and described filming apparatus can be synchronously to aflame candle measurement weight and photographic images.
4. the device of continuously testing combustion speed of candle in real time according to claim 1 and 2 is characterized in that described microprocessor can connect a plurality of electronic balances and filming apparatus simultaneously.
5. the device of continuously testing combustion speed of candle in real time according to claim 1 is characterized in that described device also is provided with the display device that is used to show flame image, flame height, candle weight, candle material information and combustion rate.
6. a method of utilizing the described device of claim 1 to carry out continuously testing combustion speed of candle in real time is characterized in that comprising the steps:
1) opens the testing combustion speed of candle in real time device, the input set information;
2) uprightly be placed on candle to be measured on the electronic balance that has computer interface and light;
3) filming apparatus is aimed at the candle that burns;
4) measure candle weight simultaneously and obtain the candle combustion picture according to time interval electronic balance and the filming apparatus set, and with above-mentioned information input microprocessor and storage;
Flame height when 5) microprocessor draws candle combustion after with the candle combustion image analysis processing of obtaining;
6) calculate combustion speed of candle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102487995A CN101738350B (en) | 2009-12-24 | 2009-12-24 | Device and method for continuously testing combustion speed of candle in real time |
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| CN2009102487995A CN101738350B (en) | 2009-12-24 | 2009-12-24 | Device and method for continuously testing combustion speed of candle in real time |
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| CN101738350A CN101738350A (en) | 2010-06-16 |
| CN101738350B true CN101738350B (en) | 2011-05-18 |
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| CN104833605A (en) * | 2015-05-20 | 2015-08-12 | 华北电力科学研究院有限责任公司 | Test equipment and method for burnout time of large granular fuel in fluidized bed |
| CN105929103A (en) * | 2016-04-18 | 2016-09-07 | 中国石油化工股份有限公司 | Device and method for measuring combustion speed of combustible liquids |
| CN105938132A (en) * | 2016-06-17 | 2016-09-14 | 程磊 | Automatic determination apparatus for combustibility of building materials and application method thereof |
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Address after: 116011, 8 solidarity Street, Xigang District, Liaoning, Dalian Patentee after: Dalian darente fragrance Technology Co.,Ltd. Address before: 116011, 8 solidarity Street, Xigang District, Liaoning, Dalian Patentee before: Dalian Talent Gift Co.,Ltd. |
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