KR101745582B1 - Ignition Test Apparatus - Google Patents

Ignition Test Apparatus Download PDF

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Publication number
KR101745582B1
KR101745582B1 KR1020150185310A KR20150185310A KR101745582B1 KR 101745582 B1 KR101745582 B1 KR 101745582B1 KR 1020150185310 A KR1020150185310 A KR 1020150185310A KR 20150185310 A KR20150185310 A KR 20150185310A KR 101745582 B1 KR101745582 B1 KR 101745582B1
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combustion
test
blowing
combustion case
air
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KR1020150185310A
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Korean (ko)
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김동현
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창신대학교 산학협력단
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
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  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The present invention relates to a pyrotechnicity test apparatus, and more particularly, to a pyrotechnicity test apparatus capable of providing a variety of combustion conditions such as air blowing in the state that a flammable substance such as a cigarette is brought into contact with a combustion substance, So that it is possible to perform the ignitability test more quickly and conveniently as well as to improve the accuracy of the test result and to separate the combustion case in plural in the air blowing direction, The test result can be obtained a plurality of times, thereby reducing the number of repetition of the test execution, thereby improving the efficiency of the test work, improving the angle of the combustion case, and putting the flue into the middle depth of the combustion material. It is possible to more variously change the conditions of the ignitability test, By providing the possibility of ignition test device that can perform more accurate testing of more various conditions.

Figure 112015126553169-pat00001

Description

[0001] Ignition Test Apparatus [

The present invention relates to an ignitability test apparatus. More specifically, it is possible to provide a variety of combustion conditions, such as blowing air in the state that a flammable substance such as a cigarette is brought into contact with a combustion substance, so that the possibility of igniting the flammability can be tested by an automated method instead of a manual operation. The present invention relates to an ignitability test apparatus capable of performing the ignitability test more quickly and conveniently as well as improving the accuracy of a test result.

In Korea, the mountainous terrain occupies 70% of the country's land. Due to the high incidence of forest fires in the spring and fall seasons, forest fires are difficult to evolve.

In addition to natural fires, the cause of forest fires is mainly due to people's carelessness, especially in the case of wild fires caused by unintentional burning of cigarettes.

In addition to forest fires, fire caused by such cigarettes often occurs in highway rest areas or in garbage cans in buildings. Small fires in garbage cans expand to the entire building, causing large property damage and personal injury.

Recently, the filter of the cigarette has been developed to automatically turn off the cigarette when the user does not inhale, thereby preventing the cause of the fire. However, the incidence of the fire due to the cigarette is still high.

In addition to these cigarettes, a small fire often leads to a large fire in daily life, and there is a lack of accurate data on whether these fireworks actually lead to a fire.

Particularly, test results are required to know whether a small fire such as a cigarette does not always cause a fire, and if so, how small the fire can lead to a fire when exposed to the environment. It will also be necessary.

At present, there is no apparatus for performing the fire association test, that is, the possibility of igniting the fire, and most of them are performed by manual operation as needed.

Domestic Utility Model Registration No. 20-0201648

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the prior art, and an object of the present invention is to provide various combustion conditions such as blowing air in the state that a burning substance such as a cigarette is in contact with a combustion substance, It is an object of the present invention to provide a testability test apparatus capable of testing the possibility of utterance in an automated manner rather than in a manual manner, thereby making it possible to perform the test of utterability more quickly and conveniently, and to improve the accuracy of test results.

Another object of the present invention is to divide the combustion case accommodating the combustion material and the flue gas into a plurality of sections in the direction of air blowing so that the test results can be obtained a plurality of times by one test, And to improve the efficiency of the ignition test apparatus.

It is still another object of the present invention to provide an ignition device for controlling the angle of the combustion case and for putting the flue gas at a middle depth of the combustion material so that the conditions of the ignitability test can be more variously changed, And a test apparatus capable of performing the test of the condition more accurately.

The present invention relates to an ignitability test apparatus for testing the possibility of ignition of a test object under the condition that the object to be tested is in contact with a combustion substance, and in which the upper surface is opened and a combustion substance A combustion case accommodated therein; And a blowing unit for blowing air to the combustion case, wherein the combustion case is equipped with a plurality of separation diaphragms such that the internal space is divided into a plurality of test spaces along an air blowing direction by the blowing unit, A plurality of air flow holes are formed on the side and bottom surface of the case so as to allow air to flow into the internal space. The air blowing unit includes a blowing fan and a blowing fan for guiding the airflow generated by the blowing fan to the combustion case And a honeycomb guide mounted inside the blowing duct to stabilize the air flow inside the blowing duct in a laminar flow state.

In this case, the ignitability testing apparatus may further include an angle adjusting unit that can arrange the combustion case upward or downward as it goes from front to back along the air blowing direction of the blowing unit.

In addition, the combustion case may be equipped with an ignition input means for injecting the test object into the internal space of the combustion case in contact with the combustion material, and the ignition input means may include a means for placing the test object at one end A moving plate formed in a flat plate shape and capable of being slidably inserted into the internal space of the combustion case; And a protective plate coupled to one end of the moving plate in such a manner as to partially cover an upper space of the test object so as to prevent the test object placed on the moving plate from contacting with the combustion material in the course of insertion into the combustion case, Wherein the protective plate is rotatably coupled to one end of the moving plate and is elastically supported by a separate elastic member so as to rotate in a direction to partially enclose the upper space of the test object, A separate pulling wire operable by a user can be connected so as to be rotated and developed in parallel with the moving plate in a direction opposite to the elastic force of the elastic member.

According to the present invention, it is possible to provide a variety of combustion conditions, such as blowing air in the state that a flammable substance such as a cigarette is brought into contact with a combustion substance, so that the possibility of ignition of flammability can be tested in an automated manner, As a result, it is possible to perform the firing test more quickly and conveniently, as well as improve the accuracy of the test results.

In addition, by dividing the combustion case containing the combustion material and the flue gas into a plurality of sections in the direction of the air blowing, it is possible to obtain the test results a plurality of times by one test, thereby reducing the number of times of repeated test execution, There is an effect that can be made.

In addition, by providing a flushing means for adjusting the angle of the combustion case and putting the flames at the middle depth of the combustion material, the conditions of the flammability test can be changed in various ways, There is an effect that can be accurately performed.

1 is a perspective view schematically showing a configuration of an ignitability testing apparatus according to an embodiment of the present invention,
2 is a view schematically showing an angle adjustment state of a combustion case of an ignitability testing apparatus according to an embodiment of the present invention,
FIG. 3 is a schematic view illustrating a configuration of the ignition input device of the ignitability testing apparatus according to an embodiment of the present invention.
4 is a view schematically showing an operating state of the ignition possibility test apparatus according to the embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view schematically showing a configuration of an ignitability testing apparatus according to an embodiment of the present invention. FIG. 2 is a schematic view showing an angle adjustment state of a combustion case of an ignitability testing apparatus according to an embodiment of the present invention. Fig.

The apparatus for testing ignitability according to an embodiment of the present invention is a device for testing the possibility of igniting the test object 10 with the test object B, such as a cigarette or a weld bead, in contact with the combustion substance 20, A case 100, and an air blowing unit 200 for blowing air to the combustion case 100.

The combustion case 100 is formed in the form of a container having an opened top surface, and a test space C is formed in the inner space in which the combustion material 20, which can be ignited by the flue, is accommodated. The combustion case 100 is equipped with a plurality of separation diaphragms 110 such that the internal space is divided into a plurality of test spaces C1, C2 and C3 along the air blowing direction by the air blowing unit 200. [ At this time, a plurality of air flow holes 120 are uniformly distributed on the side and bottom surface of the combustion case 100 so that air can be introduced into the internal space, and the separation diaphragm 110 is disposed inside the combustion case 100 It is preferable that the air flow hole is not formed so that the space can be divided into a plurality of test spaces (C1, C2, C3) so as not to communicate with each other.

The air blowing unit 200 is formed to blow air toward the combustion case 100. The air blowing unit 210 guides the air flow generated by the blowing fan 210 and the blowing fan 210 to the blowing duct 100, And a honeycomb guide 230 having a honeycomb shape and mounted inside the blowing duct 220 to stabilize the air flow inside the blast duct 220 in a laminar flow state.

1, the outlet of the blowing duct 220 and the combustion case 100 may be arranged to be wrapped by a separate outer case 500, Can be done in space.

The width of the discharge port of the blowing duct 220 is set to be equal to the width of the combustion case 100 so that the airflow blown from the discharge port of the blowing duct 220 to the combustion case 100 side flows to the combustion case 100 side. . In addition, the blowing duct 220 may be disposed such that the height of the discharge port is the same as the height of the upper surface of the combustion case 100. With this structure, it is possible to prevent the air blowing loss of the air discharged from the air blowing duct 220 and blown to the combustion case 100 side, and accordingly, the more accurate blowing amount is supplied to the combustion case 100 side according to the air blowing amount control, The accuracy of the result can be improved.

A honeycomb guide 230 having a honeycomb shape is mounted in the air blowing duct 220. Airflow inside the air blowing duct 220 can be stabilized in a laminar flow state through the honeycomb guide 230, Accordingly, the blowing amount of the air supplied to the combustion case 100 side can be maintained in a stable state, and at the same time, quantitative air blowing can be performed, so that the ignitability test can be performed more accurately.

As shown in FIGS. 1 and 2, each of the test spaces C 1, C 2, C 3, C 4, C 5, C 6, C2 and C3 are filled with the combustion material 20 and the test object 10 such as a cigarette is placed on the top surface of the combustion material 20 in this state, 100). The test is performed in such a manner that the ignition in the combustion material 20 is observed by the test object 10 until the test object 10 disappears. If ignition does not occur in the combustion material 20, the test object 10 will naturally extinguish over time. At this time, the combustion material 20 can be selected as a material having excellent flammability performance such as leaves, wood powder, etc., and the type of the combustion material 20 can be variously changed, The type of air, the amount of air blowing, and the like, and it can be tested for ignition. In such a test, the combustion case 100 is divided into a plurality of test spaces C1, C2, and C3 by a plurality of separation diaphragms 110, and therefore, as shown in FIG. 1, Since the test is performed a plurality of times simultaneously through the spaces (C1, C2, C3), it is possible to reduce the number of repetitions of the test procedure and improve the efficiency of the test progress.

Meanwhile, the combustion case 100 may be mounted so as to be adjustable in the angle of its arrangement. For this purpose, a separate angle adjusting means 300 may be provided. The angle adjusting means 300 is configured to arrange the combustion case 100 upward or downward according to the air blowing direction of the air blowing unit 200 from the front to the rear. As shown in FIG. 2, The front and rear sides of the combustion case 100 can be mounted.

The angle adjusting means 300 may include a support rod 310 coupled to the lower end of the combustion case 100 and a support driver 320 for moving the support rod 310 up and down. A thread is formed on the rod 310, and the support driving part 320 can be applied as a motor for driving the support rod 310 to rotate. Of course, this is illustrative, and the angle adjusting means 300 can be configured in various forms through various mechanical elements.

By arranging the combustion case 100 upward or downwardly inclined through the angle adjusting means 300, it is possible to test and change the conditions for the inclination in the ignitability testing process, thereby enabling testing under various conditions.

FIG. 3 is a view schematically showing a configuration of the ignition possibility test apparatus according to an embodiment of the present invention, and FIG. 4 is a schematic view of the ignition possibility test apparatus according to an embodiment of the present invention. And Fig.

The apparatus for testing ignitability according to an embodiment of the present invention includes a test object 10 such as a cigarette on a top surface of a combustion material 20 accommodated in the combustion case 100, It is necessary to test the possibility of ignition even in a state where the test object 10 is placed on the upper surface of the combustion material 20 as well as in the middle depth of the combustion material 20. [ It is assumed that a burning substance 20 such as a leaf is piled up on a fire like cigarette, so that a test for the possibility of ignition under various conditions should be performed.

However, when the test object 10 is not caught by a hand such as a welding bead unlike a cigarette, it is not easy to insert it into the middle depth of the combustion material 20.

Therefore, the ignitability testing apparatus according to an embodiment of the present invention includes a flue gas injector 400 capable of injecting the flue 10 to be tested into the internal space of the combustion case 100 in contact with the combustion material 20, Is provided in the combustion case (100).

The ignition means 400 includes a moving plate 410 which is formed at one end of the flat plate type to mount the test object 10 and is slidably inserted into the internal space of the combustion case 100, A part of the upper space of the test object 10 is covered so as to prevent the test object 10 placed on the plate 410 from coming into contact with the combustion material 20 in the process of being injected into the combustion case 100 And a protection plate 420 coupled to one end of the plate 410. At the other end of the moving plate 410, a stopper portion 411 for performing a function of gripping the user's operation and restricting the insertion and movement of the moving plate 410 is formed.

At this time, the protection plate 420 is rotatably coupled to one end of the moving plate 410 about the horizontal rotation axis 421, and is provided with a separate elastic member 422 for elastically rotating in a direction to partially cover the upper space of the test object 10, The protection plate 420 is separately supported by the user so that the protection plate 420 is rotated in parallel with the movement plate 410 in the direction opposite to the elastic force of the elastic member 430 The traction wire 440 is connected. At this time, the elastic member 430 may be a torsion spring that is coupled to the horizontal rotation axis 421 and provides an elastic force to the protection plate 420.

4 (a), the test object 10 is placed on the upper surface of the moving plate 410 and the upper space of the test object 10 is protected through the protection plate 420 In this state, the moving plate 410 is inserted into the space inside the combustion case 100. In this process, the test object 10 is protected by the protection plate 420 and is not in contact with the combustion material 20. When the inserting process of the moving plate 410 is completed, the pulling wire 440 is pulled as shown in FIG. 4 (b) to rotate the protecting plate 420 in parallel with the moving plate 410, 4 (c), when the moving plate 410 is withdrawn from the combustion case 100, the test object 10 passes through the combustion material 100 in the combustion case 100 As shown in Fig.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: Test subject Fire 20: Combustion substance
100: combustion case 110: separation diaphragm
200: blowing unit 210: blowing fan
220: blowing duct 230: honeycomb guide
300: angle adjusting means 310; Support rod
320: Support driving part 400:
410: Moving plate 420: Shield plate
430: elastic member 440: pull wire

Claims (3)

An ignitability test apparatus for testing the likelihood of utterance against a test subject in a state where the test subject is in contact with a combustion substance,
A combustion case in which a combustion material capable of igniting by flue is contained in an inner space in the form of a container having an opened top surface; And
An air blowing unit for blowing air to the combustion case
Wherein the combustion case is equipped with a plurality of separation diaphragms such that the inner space is divided into a plurality of test spaces along the air blowing direction by the air blowing unit,
A plurality of air flow holes are formed on side surfaces and bottom surfaces of the combustion case to allow air to flow into the internal space,
The air blowing unit includes a blowing fan, a blowing duct for guiding the airflow generated by the blowing fan to guide the airflow toward the combustion case, and a blowing fan for blowing air into the blowing duct to stabilize the airflow in the blowing duct in a laminar flow state Including a honeycomb guide,
The burner case is equipped with an ignition means for injecting the test object into the internal space of the combustion case in contact with the combustion material,
The embossing means
A moving plate formed in a flat plate shape capable of placing a test object at one end thereof and slidably mounted in an internal space of the combustion case; And
A cover plate coupled to one end of the moving plate so as to partially cover an upper space of the test object so as to prevent the test object placed on the moving plate from contacting with the combustion material in the course of insertion into the combustion case,
Wherein the protective plate is rotatably coupled to one end of the moving plate and is elastically supported by a separate elastic member so as to be elastically rotated in a direction to partially enclose the upper space of the test object,
Wherein a separate tow wire operable by a user is connected to the protection plate so that the protection plate rotates in parallel with the moving plate in a direction opposite to the elastic force of the elastic member.
The method according to claim 1,
Further comprising angle adjusting means capable of arranging the combustion case upward or downward from the front to the back along the air blowing direction of the air blowing unit.
delete
KR1020150185310A 2015-12-23 2015-12-23 Ignition Test Apparatus KR101745582B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102083029B1 (en) 2019-06-14 2020-02-28 주식회사 동아테크 Simulation experimental equipments for predicting the spread of fire and flying sparks
CN111122769A (en) * 2020-03-04 2020-05-08 南京工业大学 Experimental method and experimental device for simulating ignition characteristics of high-temperature and high-speed particles
CN113625089A (en) * 2021-08-17 2021-11-09 中国科学技术大学 Fault arc ignition experimental device and experimental method thereof
KR20220035582A (en) * 2020-09-14 2022-03-22 대한민국(산림청 국립산림과학원장) Flame Transfer Experimental Device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001333758A (en) 2000-05-24 2001-12-04 Japan Tobacco Inc Combustion test apparatus
KR100359575B1 (en) 2000-11-09 2002-11-07 한미하이테크주식회사 Combustion test device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001333758A (en) 2000-05-24 2001-12-04 Japan Tobacco Inc Combustion test apparatus
KR100359575B1 (en) 2000-11-09 2002-11-07 한미하이테크주식회사 Combustion test device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
김동현 외, 담뱃불에 의한 낙엽 착화에 대한 연구, 한국화재소방학회 논문지, Vol.24, No.5, pp.39-49 (2010년)*
김동현 외, 산불 지표화에서의 바람에 의한 화염각 변화 산정식 도출에 관한 준-수치해석 연구, 한국화재소방학회 논문지, Vol.23, No.5, pp.90-95 (2009.10)*

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102083029B1 (en) 2019-06-14 2020-02-28 주식회사 동아테크 Simulation experimental equipments for predicting the spread of fire and flying sparks
CN111122769A (en) * 2020-03-04 2020-05-08 南京工业大学 Experimental method and experimental device for simulating ignition characteristics of high-temperature and high-speed particles
KR20220035582A (en) * 2020-09-14 2022-03-22 대한민국(산림청 국립산림과학원장) Flame Transfer Experimental Device
KR102408855B1 (en) 2020-09-14 2022-06-14 대한민국 Flame Transfer Experimental Device
CN113625089A (en) * 2021-08-17 2021-11-09 中国科学技术大学 Fault arc ignition experimental device and experimental method thereof
CN113625089B (en) * 2021-08-17 2023-11-28 中国科学技术大学 Fault arc ignition experimental device and experimental method thereof

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