EP3002516B1 - Heater having automatic fire extinguisher - Google Patents

Heater having automatic fire extinguisher Download PDF

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Publication number
EP3002516B1
EP3002516B1 EP15002299.4A EP15002299A EP3002516B1 EP 3002516 B1 EP3002516 B1 EP 3002516B1 EP 15002299 A EP15002299 A EP 15002299A EP 3002516 B1 EP3002516 B1 EP 3002516B1
Authority
EP
European Patent Office
Prior art keywords
vent cap
heater
air tank
wick
detection unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15002299.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3002516A1 (en
Inventor
Soon II Hong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paseco Co Ltd
Original Assignee
Paseco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Paseco Co Ltd filed Critical Paseco Co Ltd
Publication of EP3002516A1 publication Critical patent/EP3002516A1/en
Application granted granted Critical
Publication of EP3002516B1 publication Critical patent/EP3002516B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/16—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners
    • F23D3/18—Details of wick burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners
    • F23D3/18—Details of wick burners
    • F23D3/24—Carriers for wicks
    • F23D3/26—Safety devices thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners
    • F23D3/18—Details of wick burners
    • F23D3/28—Wick-adjusting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/027—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/247—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/02—Stoves or ranges for liquid fuels with evaporation burners, e.g. dish type
    • F24C5/04—Stoves or ranges for liquid fuels with evaporation burners, e.g. dish type wick type
    • F24C5/06—Stoves or ranges for liquid fuels with evaporation burners, e.g. dish type wick type adjustable

Definitions

  • the present invention relates to a heater having an automatic fire extinguisher according the first part of claim 1, and more particularly, to a a heater having an automatic fire extinguisher for automatically extinguishing fire when excessive flames are generated by wind (an external environment) or self-overheating of the heater while the heater performs a combustion operation.
  • heaters using wicks burn fossil fuels including a liquid such as petroleum or heating oil, and perform heating operations using generated heat.
  • Such a heater absorbs a fuel mainly in a wick to burn the fuel directly or through a burner.
  • the wick When fuel is absorbed in wick to be burned, the wick is installed in the interior of a combustion tank installed in the interior of the heater body and the combustion tank is coupled to an upper portion of a wick elevation unit, in which case if the exposed wick in the combustion tank is ignited using an ignition unit, air necessary for combustion is introduced from vent holes formed at a lower portion of the heater body to expedite combustion.
  • the user directly manipulates an extinguisher switch to allow the conventional heater operated in this way to perform an extinguishing operation.
  • carbon dioxide or carbon monoxide may be diffused into the interior of a room, in which case carbon dioxide or carbon monoxide significantly threats health of people who live in the closed interior.
  • an automatic fire extinguisher for automatically extinguishing fire by a timer or when carbon dioxide or carbon monoxide corresponding to a preset value or more is detected by a carbon dioxide/carbon monoxide sensor is disclosed.
  • a temperature detection unit is merely installed on a side which flames face in the conventional automatic fire extinguisher for a heater, the temperature of the flames may frequently cause breakdowns of the automatic fire extinguisher, and thus the automatic fire extinguisher may not be properly operated when excessive flames are generated.
  • the present invention has been made in an effort to solve the above-mentioned problems, and it is an object of the present invention to provide a heater having an automatic fire extinguisher, which, by using a temperature detection unit installed on a side opposite to a side which the flames face, can prevent a breakdown thereof due to flames when excessive flames are generated instantaneously or continuously for a predetermined time period due to natural wind for ventilation or artificial wind such as wind of an electric fan or due to overheating of the product itself.
  • An apparatus for automatically turning off a heater is disclosed from EP 2 525 147 A2 .
  • a safety device for an oil burner is known from EP 0 200 549 A2 .
  • the safety device includes an abnormal combustion sensing and actuation mechanism which is adapted to receive heat rays from the oil burner.
  • a heater having an automatic fire extinguisher including: a heater body including a fuel tank; a wick elevation unit fixed to the heater body and having an outer container having an opened upper end and a hollow air tank installed to be spaced apart from an inner surface of the outer container and having an opening at an upper end thereof, for elevating a wick between the outer container and the air tank; a combustion tank disposed at an upper end of the wick elevation unit; a vent cap for opening and closing the opening at the upper end of the air tank, a temperature detection unit installed on the bottom surface of the vent cap to face the hollow portion of the air tank and located on a side opposite to a side which flames face; and an automatic fire extinguisher for receiving a signal from the temperature detection unit and lowering the wick.
  • the heater further include: a support frame having a fixed plate spaced apart from a bottom surface of the vent cap, and support legs extending upwards from the fixed plate and fixed to the bottom surface of the vent cap, and the temperature detection unit may be fixedly installed on a bottom surface of the fixed plate.
  • the support legs are fixed to the vent cap by inserting upper ends of the support legs into vent holes formed in the vent cap and bending the support legs.
  • the vent cap may have an upwardly convex shape, and the fixed plate may protrude downwards further from a lower end of the vent cap.
  • the temperature detection unit is installed on the bottom surface of the vent cap to face the hollow part of the air tank and is located on a side opposite to a side which flames of the wick face, the temperature detection unit can be prevented from being damaged by the flames.
  • the support frame for installing the temperature detection unit includes a fixed plate spaced apart from the bottom surface of the vent cap, and support legs extending upwards from the fixed plate, fixed to the bottom surface of the vent cap, and upper ends thereof inserted into vent holes formed in the vent cap and bended, the support frame can be firmly fixed to the vent cap.
  • the support frame are fixed to the vent cap using the vent holes formed already, there is no burden for additional fixing costs, and the support frame can be separated, the temperature detection unit can be easily maintained and installed.
  • FIGS. 1 to 6 An exemplary embodiment of the present invention will be described with reference to FIGS. 1 to 6 .
  • a heater 1000 including an automatic fire extinguisher includes: a heater body 100 including a fuel tank 110; a wick elevation unit 300 fixed to the heater body 100 and having an outer container 310 having an opened upper end and a hollow air tank 320 installed to be spaced apart from an inner surface of the outer container 310 and having an opening 321 at an upper end thereof, for elevating a wick 330 between the outer container 310 and the air tank 320; a combustion tank 400 disposed at an upper end of the wick elevation unit 300; a vent cap 500 for opening and closing the opening 321 at the upper end of the air tank 320, a temperature detection unit 600 installed on the bottom surface of the vent cap 500 to face the hollow portion of the air tank 320 and located on a side opposite to a side which flames face; and an automatic fire extinguisher 200 for receiving a signal from the temperature detection unit 600 and lowering the wick 330.
  • the temperature detection unit 600 is installed on the bottom surface of the vent cap 500 to face the follow portion of the air tank 320 and is located on a side opposite to the side which flames face while the wick 330 is lifted, the temperature detection unit 600 is minimally damaged by the flames.
  • the interior of the combustion tank 400 is overheated so that an overheated lower portion of the combustion tank 400 is detected by the temperature detection unit 600, and when a temperature corresponding to a preset value or more is detected, a detection signal is transmitted to the automatic fire extinguisher 200 such that the automatic fire extinguisher performs an extinguishing operation.
  • the temperature detection unit 600 is spaced apart from the bottom surface of the vent cap 500 by the medium of a support frame 700.
  • This structure is also to space the temperature detection unit 600 apart from the combustion tank 400 as far as possible to prevent the temperature detection unit 600 from being directly damaged by overheat of the excessive flames.
  • the support frame 700 includes a fixed plate 710 spaced apart from the bottom surface of the vent cap 500, and support legs 720 extending upwards from the fixed plate 710 and fixed to the bottom surface of the vent cap 500.
  • the temperature detection unit 600 is fixedly installed on the bottom surface of the fixed plate 710 of the support frame 700 through a suitable coupling unit 770.
  • the temperature detection unit 600 may employ a bimetal sensor for performing an on/off operation according to a preset temperature, but also may employ a known general temperature sensor.
  • a plurality of legs 720 may be provided to be disposed at an interval along the circumference of the fixed plate 710.
  • the temperature detection unit 600 is prevented from being closed such that temperature can be detected more accurately.
  • the support frame 700 may be firmly fixed to the vent cap 500 by inserting upper ends of the support legs 720 into vent holes 510 formed in the vent cap 500 and bending the support legs 720.
  • the support frame 700 can be fixed to the vent cap 500 using the vent holes 510 formed already, there is no burden for additional fixing costs, and the support frame 700 can be separated, the temperature detection unit 600 can be easily maintained and installed.
  • the support frame 700 may be installed in the vent cap 500 through a separate coupling member.
  • the vent cap 500 has an upwardly convex shape and the fixed plate 710 protrudes downwards further from a lower end of the vent cap 500.
  • the temperature detection unit 600 can be prevented from being damaged by the heat of the flames introduced through auxiliary vent holes 521 formed along a circumferential side surface 520 of the vent cap 500 having an upwardly convex shape.
  • the automatic fire extinguisher 200 is an apparatus for automatically extinguishing flames as a detection signal is transferred to the automatic fire extinguisher 200 when the temperatures of a lower portion of the combustion tank 400 and the temperature of the hollow part of the air tank 320 detected by the temperature detection unit 600 are a preset temperature values or higher.
  • the wick 330 can be lifted by rotating the wick driving shaft 210 illustrated in FIG. 1 and be ignited, and when excessive flames are generated during use of the heater, a signal is transmitted from the temperature detection unit 600 to the automatic fire extinguisher 200 to operate the automatic fire extinguisher 200, so that the wick driving shaft 210 is reversely rotated by a resilient restoring force such that the wick is lowered and extinguished.
  • the automatic fire extinguisher 200 illustrated in FIG. 1 is the same as an apparatus disclosed in Korean Patent No. 10-1129325 and their operational methods are also the same, and thus a detailed description thereof will be omitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Combustion (AREA)
EP15002299.4A 2014-09-30 2015-08-02 Heater having automatic fire extinguisher Active EP3002516B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140131363A KR101615748B1 (ko) 2014-09-30 2014-09-30 자동 소화장치를 구비한 히터

Publications (2)

Publication Number Publication Date
EP3002516A1 EP3002516A1 (en) 2016-04-06
EP3002516B1 true EP3002516B1 (en) 2020-04-08

Family

ID=53969048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15002299.4A Active EP3002516B1 (en) 2014-09-30 2015-08-02 Heater having automatic fire extinguisher

Country Status (4)

Country Link
EP (1) EP3002516B1 (ko)
KR (1) KR101615748B1 (ko)
CN (1) CN105465826B (ko)
ES (1) ES2794098T3 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019204832A1 (en) 2018-04-18 2019-10-24 Key Safety Systems, Inc. Automatic fire suppression system for internal combustion device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175436A (en) * 1978-08-28 1979-11-27 Burlington Industries, Inc. Wet/dry bulb hygrometer with automatic wick feed
JPS602823A (ja) * 1983-06-17 1985-01-09 Matsushita Electric Ind Co Ltd 燃焼装置
NO166895C (no) * 1985-04-30 1991-09-11 Toyotomi Kogyo Co Ltd Sikkerhetsanordning for oljebrenner.
KR890000143Y1 (ko) * 1985-06-28 1989-03-06 주식회사 금성사 석유스토브의 자동소화장치
KR930003262B1 (ko) * 1987-05-12 1993-04-24 마쯔시다덴기산교 가부시기가이샤 석유연소기의 심지상하동장치
KR0178312B1 (ko) * 1995-12-14 1999-03-20 배순훈 팬히터의 안전장치
JPH1038670A (ja) * 1996-07-17 1998-02-13 Alps Electric Co Ltd 感震・転倒検出器
KR200202470Y1 (ko) * 2000-03-23 2000-11-15 주식회사아이씨에프 좌우 수평측정 골프 퍼터 및 연습기구
KR100849941B1 (ko) * 2008-04-29 2008-08-01 원우이에프엔지니어링주식회사 열 및 연기 화재감지장치 복합시험기
KR100982803B1 (ko) 2009-12-08 2010-09-20 주식회사 파세코 히터용 자동 소화장치
KR101129325B1 (ko) * 2011-05-16 2012-03-26 주식회사 파세코 히터용 자동 소화장치
KR20120137084A (ko) * 2011-06-10 2012-12-20 이승수 멜로디 양초
KR101235687B1 (ko) * 2012-03-30 2013-02-21 주식회사 파세코 히터용 자동 소화장치
KR101225542B1 (ko) * 2012-04-19 2013-01-23 주식회사 파세코 전도방지장치가 장착된 히터
CN203735471U (zh) * 2014-03-14 2014-07-30 川渝中烟工业有限责任公司 气流控制升降式火焰加热器

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CN105465826B (zh) 2017-12-01
EP3002516A1 (en) 2016-04-06
KR101615748B1 (ko) 2016-04-27
CN105465826A (zh) 2016-04-06
KR20160038975A (ko) 2016-04-08
ES2794098T3 (es) 2020-11-17

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