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    • 4. 发明专利
    • 燃焼装置
    • 燃烧装置
    • JP2015049007A
    • 2015-03-16
    • JP2013182223
    • 2013-09-03
    • リンナイ株式会社Rinnai Corp
    • IWATA KAZUTAKA
    • F23N5/14
    • 【課題】バーナ1の点火炎口4Iに臨ませてヒータ5が配置され、ヒータ5を通電加熱することでバーナ1に点火し、点火後のヒータ5への通電加熱を停止してからのヒータ5の抵抗値変化に基づき失火の有無を判別する燃焼装置であって、ホットスタート時も失火の有無を精度良く判別できるようにする。【解決手段】点火後のヒータ5への通電加熱停止からヒータ5の抵抗値が変化して安定するまでの間は、ヒータ5の実際の抵抗値変化特性と、失火していない状態でのヒータ5の抵抗値変化特性に基づいて設定される所定の基準変化特性とを比較して失火の有無を判別するようにし、点火前のヒータ5の雰囲気温度を検知し、検知した雰囲気温度に応じて前記基準変化特性を可変設定する。【選択図】図1
    • 要解决的问题:即使在热启动时,即使在与燃烧器1的点火火焰口4I相对配置有加热器5并且点燃燃烧器1的燃烧装置中,也能够准确地区分是否存在失火 通过对加热器5进行加热并对其进行加热,并且基于加热器5的电阻值在点火之后的加热器5的停止加热之后,基于加热器5的电阻值的变化来判别是否存在失火。 解决方案:在加热器5的电阻值在点火之后停止加热器5的电力和加热停止之后,加热器5的电阻值稳定的时段中,通过比较实际电阻值变化 加热器5的特性和基于未失火的加热器5的电阻值变化特性而设定的规定基准变化特性,气氛温度 检测到点火前的加热器5,并且根据检测到的气氛温度可变地设定基准变化特性。
    • 5. 发明专利
    • Gas cooking stove and temperature detection mechanism thereof
    • 气体烹饪炉和温度检测机构
    • JP2013245856A
    • 2013-12-09
    • JP2012118570
    • 2012-05-24
    • Osaka Gas Co Ltd大阪瓦斯株式会社
    • KEGASA AKISHISHIRAGAMI YOSUKEMIYATO AKIRA
    • F24C3/12F23N5/14
    • PROBLEM TO BE SOLVED: To provide a technique for speedily and securely recognizing what is called a flame non-formed state in which no flame is formed only at some flame ports right after firing, in a gas cooking stove.SOLUTION: A gas cooking stove includes a stove burner 1 having a burner head 10 where a plurality of flame ports 11 forming flames F by jetting a mixed gas M of a fuel gas G and air A for combustion are dispersedly arranged in a peripheral direction, and also includes misfire determination means 50a of determining occurrence of a misfire in the stove burner 1. A plurality of temperature sensors 30 are dispersedly arranged along the arrangement region of the plurality of flame ports 11 of the burner head 10, and the misfire determination means 50a determines whether the burner head is in a misfire state based upon output states of the plurality of temperature sensors 30 in a firing period from firing time of firing the mixed gas M after starting supply of the mixed gas M to the plurality of flame ports 11 to the lapse of predetermined time.
    • 要解决的问题:提供一种能够快速且可靠地识别所谓的火焰未形成状态的技术,其中仅在燃烧后立即在一些火焰口处形成火焰,在气体烹饪炉中。解决方案:气体烹饪炉 包括具有燃烧头10的炉灶1,其中通过喷射燃料气体G的混合气体M和燃烧用空气A形成火焰F的多个火焰口11沿周向分散配置,还包括失火判定装置 确定炉灶1中发生失火的50a。多个温度传感器30沿着燃烧器头10的多个火焰口11的排列区域分散布置,并且失火确定装置50a确定燃烧头 在开始供给混合气体M后的混合气体M的烧成时间的烧成时间内,基于多个温度传感器30的输出状态处于失火状态 到多个火焰口11到达预定时间。
    • 6. 发明专利
    • Liquid-fuel combustion device
    • 液体燃料燃烧装置
    • JP2008249237A
    • 2008-10-16
    • JP2007090545
    • 2007-03-30
    • Sharp Corpシャープ株式会社
    • KUWABARA YASUAKI
    • F23N5/24F23N5/12F23N5/14
    • PROBLEM TO BE SOLVED: To surely detect failure of an air valve disposed on the way to distribute a fuel to a vaporizer 15 to switch connection and disconnection with the outside air, in a liquid-fuel combustion device.
      SOLUTION: This liquid-fuel combustion device comprises a tank portion 12 for reserving liquid-fuel, the vaporizer 15 for vaporizing the distributed liquid fuel, pipes 21, 22 for distributing the liquid fuel from the tank portion toward the vaporizer, a combustion portion 16 for burning the liquid fuel vaporized by the vaporizer, the air valve 25 for switching whether the inside of the pipe to distribute the liquid fuel in the tank, is connected with the outside air or not, a detecting means 170 for detecting a situation of combustion output of the combustion portion, and a control device 100 distributing the liquid fuel of the tank portion to the vaporizer, burning the fuel vaporized by the vaporizer at the combustion portion, opening the air valve to allow the pipe to connect with the outside air in combustion, and detecting the failure of the air valve according to the detection of a combustion state by the detecting means.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了确保在液体燃料燃烧装置中检测设置在将燃料分配到蒸发器15以切换与外部空气的连接和断开的路上的空气阀的故障。 解决方案:该液体燃料燃烧装置包括用于储存液体燃料的罐部分12,用于蒸发分配的液体燃料的蒸发器15,用于将液体燃料从罐部分分配到蒸发器的管道21,22 用于燃烧由蒸发器蒸发的液体燃料的燃烧部分16,用于切换管道内部以将液体燃料分配到罐中的空气阀25是否与外部空气连接,检测装置170 燃烧部分的燃烧输出的情况以及将罐部分的液体燃料分配到蒸发器的控制装置100,燃烧由燃烧部分上的蒸发器蒸发的燃料,打开空气阀以允许管与 外部空气在燃烧中,并且根据检测装置的燃烧状态的检测来检测空气阀的故障。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Continuous heating furnace
    • 连续加热炉
    • JP2008214670A
    • 2008-09-18
    • JP2007050893
    • 2007-03-01
    • Chugai Ro Co LtdSumitomo Metal Ind Ltd中外炉工業株式会社住友金属工業株式会社
    • UEJIMA HIROTOSHITANAKA TATSUOSAITO NORIYUKIJOJIMA KENICHIROKOBAYASHI MAKOTO
    • C21D1/52F23L15/02F23N5/00F23N5/14F27D7/02F27D19/00
    • Y02E20/348
    • PROBLEM TO BE SOLVED: To stably and efficiently perform heat treatment while reducing a quantity of generated NOx, when sequentially introducing a product to be heated to a plurality of combustion zones having a plurality of combustion devices installed therein and heating the product. SOLUTION: A continuous heating furnace which sequentially introduces the product 1 to be heated to the plurality of the combustion zones 12 to 15 having the plurality of the combustion devices 20 installed therein and heats the product is operated by: using a heat accumulation type burner 20 having at least one heat accumulation section 21 in the combustion zone in an introduction side of the product to be heated; when a temperature in the combustion zone is a predetermined temperature or lower, spouting a combustion air which is not heated and a fuel into a combustion section 23 in a leading edge side of an air supply nozzle 22, from an air supply nozzle and a first fuel supply nozzle 24 respectively, without exhausting a burnt exhaust gas through the heat accumulation type burner; and making them combust by igniting them with an ignition means 25. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了在减少产生的NOx的量的同时稳定有效地进行热处理,当将被加热物顺序地引入到其中安装有多个燃烧装置的多个燃烧区域并加热产品时。 解决方案:将具有多个燃烧装置20安装在其中并加热产品的多个燃烧区12至15顺序地引入待加热的产品1的连续加热炉通过以下方式操作:使用热积累 型燃烧器20在被加热物的导入侧的燃烧区域内具有至少一个蓄热部21; 当燃烧区中的温度为预定温度或更低时,从空气供应喷嘴和第一喷嘴喷射未喷射未燃烧的燃烧空气和燃料进入供气喷嘴22前缘侧的燃烧部分23 燃料供给喷嘴24,不通过蓄热式燃烧器排出燃烧废气; 并用点火装置25点燃它们使其燃烧。版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Combustion device
    • 燃烧装置
    • JP2008190796A
    • 2008-08-21
    • JP2007026503
    • 2007-02-06
    • Noritz Corp株式会社ノーリツ
    • MAEKAWA AKIRAFUJITA HIRONOBUTATSUMURA TOSHIYAASANO MASAAKIFUJII YOSHIYUKIYAMAMOTO ITARU
    • F23N5/14F23D11/44F23D11/46F23N1/02
    • PROBLEM TO BE SOLVED: To develop a combustion device capable of properly performing combustion in a proper state regardless of the viscosity of fuel.
      SOLUTION: In this combustion device comprises a vaporizer for vaporizing liquid fuel, a fuel supplying means for supplying the liquid fuel of the amount controlled to the vaporizer, an air distributing means for supplying the air necessary for combustion, and a control device for transmitting a control signal to the fuel supplying means and/or the air distributing means, the control signal is changed with correlative relationship according to a prescribed control rule to a target burning capacity, and further a temperature detecting means is disposed to detect a temperature at an upstream side of a heated object as a part of the combustion device. The control device stores the plurality of control rules in advance, and controls a combustion state in normal times according to the specific control rule of the plurality of control rules. A control rule switching function is further provided to switch the control rule, the control rule is switched according to the temperature detected by the temperature detecting means during the combustion with the prescribed target burning capacity, and the combustion state in normal times is controlled according to the changed control rule thereafter.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:开发能够在适当状态下适当地进行燃烧的燃烧装置,而与燃料的粘度无关。 解决方案:在该燃烧装置中包括用于蒸发液体燃料的蒸发器,用于将控制量控制的液体燃料供应到蒸发器的燃料供给装置,用于供应燃烧所需的空气的空气分配装置,以及控制装置 为了将控制信号发送到燃料供给装置和/或空气分配装置,控制信号根据规定的控制规则以相对关系改变为目标燃烧能力,并且还设置有温度检测装置以检测温度 在作为燃烧装置的一部分的被加热物体的上游侧。 控制装置预先存储多个控制规则,并且根据多个控制规则的具体控制规则在正常时间控制燃烧状态。 进一步提供控制规则切换功能来切换控制规则,根据在燃烧期间由温度检测装置检测的温度以规定的目标燃烧能力切换控制规则,并且根据正常时间控制正常燃烧状态 之后改变了控制规则。 版权所有(C)2008,JPO&INPIT