JP4770338B2 - Hot air heater with cooking space - Google Patents

Hot air heater with cooking space Download PDF

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JP4770338B2
JP4770338B2 JP2005252167A JP2005252167A JP4770338B2 JP 4770338 B2 JP4770338 B2 JP 4770338B2 JP 2005252167 A JP2005252167 A JP 2005252167A JP 2005252167 A JP2005252167 A JP 2005252167A JP 4770338 B2 JP4770338 B2 JP 4770338B2
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plate
heat
cooking space
blower
exhaust communication
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JP2007064560A (en
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弘幸 小野川
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株式会社トヨトミ
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この発明は石油燃焼器の熱交換器を利用した調理空間の構造に関するものである。   The present invention relates to a structure of a cooking space using a heat exchanger of an oil combustor.
温風暖房機の枠体内に配置したバーナと、このバーナの上部に燃焼室を設け、この燃焼室の上方で枠体内に排気連通筒を介して扁平な上・下熱交換器を備え、上・下熱交換器及び排気連通筒の間に簡易な調理ができる調理空間を構成したものがある。   A burner placed in the frame of the hot air heater, a combustion chamber is provided above the burner, and a flat upper / lower heat exchanger is provided above the combustion chamber through the exhaust communication cylinder in the frame.・ There is a cooking space that allows simple cooking between the lower heat exchanger and the exhaust tube.
上記のような構造では、バーナで燃料が燃焼され高温の燃焼ガスが発生し、バーナと連続している燃焼室と上・下熱交換器及び排気連通筒を通過するため、上・下熱交換器と排気連通筒からの輻射熱を利用して調理空間で加熱調理を可能にしている。   In the above structure, fuel is burned in the burner and high-temperature combustion gas is generated, and passes through the combustion chamber continuous with the burner, the upper and lower heat exchangers, and the exhaust communication cylinder. Cooking is possible in the cooking space using the radiant heat from the vessel and the exhaust tube.
また、枠体の背面には送風機を備え、この送風機で送られる風の一部は熱交換器部を通過して熱交換され、枠体の前方より室内に放出されることになり、熱交換器部や調理空間付近では常に送風機からの風の対流が生じることになる。   In addition, a fan is provided on the back of the frame, and a part of the air sent by the fan is passed through the heat exchanger section to be heat exchanged and discharged from the front of the frame to the room, thereby exchanging heat. In the vicinity of the bowl or cooking space, convection of air from the blower always occurs.
このために、調理空間と送風機の間に遮風板を配置し、送風機から送られる風をこの遮風板によって遮り、調理空間へは背面から風が送られないようにして調理空間の加熱効率を高めている温風暖房機がある。(特許文献1参照)   For this purpose, a baffle is arranged between the cooking space and the blower, the wind sent from the blower is blocked by this baffle, and the cooking space is heated from the back so that no breeze is sent from the back. There are hot air heaters that are increasing. (See Patent Document 1)
実開平5−54912号公報Japanese Utility Model Publication No. 5-54912
上記のように上・下熱交換器と排気連通筒間で構成された調理空間の背面部に遮風板を設けたものは、送風機から送られる風が調理空間の背面部付近からは流入することはないが、側方から調理空間へと風が流れ込んでしまい、そのために調理空間内の温度が下がってしまう他に、調理空間に流れ込む風の対流の影響によって調理空間に温度ムラが生じてしまう、また遮風板は送風機からの風が常に通過するために温度が下がり、調理空間の前部と後部で温度差ができてしまい一定にならない問題があった。   In the case where the wind shield is provided on the back surface of the cooking space formed between the upper and lower heat exchangers and the exhaust communication tube as described above, the wind sent from the blower flows from the vicinity of the back surface of the cooking space. However, the wind flows into the cooking space from the side, which lowers the temperature in the cooking space. In addition, the temperature of the cooking space becomes uneven due to the convection of the wind flowing into the cooking space. Moreover, since the wind from the blower always passes, the temperature of the wind shielding plate is lowered, and there is a problem that a temperature difference is generated between the front part and the rear part of the cooking space, and the wind shielding plate does not become constant.
また、調理空間内では上・下熱交換器間を連接している排気連通筒が剥き出しの状態で配置しているために、排気連通筒付近では輻射熱の影響が大きくなってしまい、調理上焼きムラになってしまったり、調理空間内で誤って高温の排気連通筒に手などが触れてしまうことや、熱交換器部に物が入ってしまい引火してしまう恐れがある。この発明では温風暖房機の熱効率に影響を与えずに調理空間内の温度を均一にし、かつ安全性に考慮した温風暖房機の熱交換器による調理空間を提供することを目的とする。   In addition, because the exhaust communication cylinder connecting the upper and lower heat exchangers is exposed in the cooking space, the influence of radiant heat is increased near the exhaust communication cylinder, and cooking upper baking is performed. There is a risk that it becomes uneven, a hand or the like accidentally touches the hot exhaust tube in the cooking space, or an object enters the heat exchanger and ignites. It is an object of the present invention to provide a cooking space using a heat exchanger of a hot air heater in which the temperature in the cooking space is made uniform without affecting the thermal efficiency of the hot air heater and the safety is taken into consideration.
この発明は上記の課題を解決するもので、枠体1内にバーナ2を設け、バーナ2の上部に燃焼室3を設け、枠体1の背板には送風機4を配置し、燃焼室3の上部には横長の下熱交換器5と、下熱交換器5の上板の左右に連続して設けた排気連通筒6・6aと、排気連通筒6・6aの上部に上熱交換器5aを備え、上・下熱交換器5・5aと排気連通筒6・6aとの間で囲まれる調理空間7を構成すると共に、調理空間7と送風機4の間には送風機4からの風を防ぐ遮風板8を配置した温風暖房機において、遮風板8は調理空間7の送風機4側を覆う背板8aと先端が排気連通筒6・6aに届く側板8bとを備え、調理空間7の両側で排気連通筒6・6aとは間隙9を介して背板8aから前方に伸ばした保温板10を設け、保温板10と排気連通筒6・6aと遮風板8の背板8aと側板8bとで囲まれた保温空間11を構成したことを特徴とする。   The present invention solves the above-described problem. A burner 2 is provided in the frame 1, a combustion chamber 3 is provided on the upper portion of the burner 2, a blower 4 is disposed on the back plate of the frame 1, and the combustion chamber 3 is provided. The upper part of the horizontal heat exchanger 5, the exhaust communication tubes 6, 6 a provided continuously on the left and right of the upper plate of the lower heat exchanger 5, and the upper heat exchanger above the exhaust communication tubes 6, 6 a 5a, and a cooking space 7 surrounded by the upper and lower heat exchangers 5 and 5a and the exhaust communication tubes 6 and 6a is formed, and air from the blower 4 is blown between the cooking space 7 and the blower 4. In the warm air heater provided with the wind shield 8 to prevent, the wind shield 8 includes a back plate 8a covering the blower 4 side of the cooking space 7 and a side plate 8b having a tip reaching the exhaust communication tubes 6 and 6a. 7 is provided with a heat insulating plate 10 extending forward from the back plate 8a with a gap 9 between the exhaust communication tubes 6 and 6a. Characterized in that to constitute a heat insulating space 11 surrounded by the back plate 8a and the side plate 8b of the cylinder 6 · 6a and air baffle plate 8.
また、遮風板8の背板8aもしくは側板8bに保温空間11と、送風機4から遮風板8を介して排気連通筒6・6aを通過する送風経路12とを連通させる連通孔13を設けたことで、保温空間11内の空気を対流させることで保温空間11内の過度の温度上昇を防ぎ、一定の高温に維持することができる。   Also, a communication hole 13 is provided in the back plate 8a or the side plate 8b of the wind shielding plate 8 so as to communicate the heat insulation space 11 and the air flow path 12 passing through the exhaust communication cylinders 6 and 6a from the blower 4 through the wind shielding plate 8. As a result, excessive air temperature rise in the heat insulation space 11 can be prevented by convection of the air in the heat insulation space 11, and a constant high temperature can be maintained.
また、排気連通筒6・6aの前方にはガード14を設け、ガード14は保温板10に連続して形成したことで、上・下熱交換器5・5aと排気連通筒6・6a部に異物が入り込むことはなく、送風機4から送られ熱交換された空気は前方へ吹出すことができ安全性が向上した。   Further, a guard 14 is provided in front of the exhaust communication cylinders 6 and 6a, and the guard 14 is formed continuously with the heat insulating plate 10, so that the upper and lower heat exchangers 5 and 5a and the exhaust communication cylinders 6 and 6a are connected to each other. Foreign matter did not enter, and air sent from the blower 4 and subjected to heat exchange could be blown forward, improving safety.
この発明の温風暖房機は、枠体1内に設けた遮風板8は調理空間7の送風機4側を覆う背板8aと先端が排気連通筒6・6aに届く側板8bとを備え、調理空間7の両側で排気連通筒6・6aとは間隙9を介して背板8aから前方に伸ばした保温板10を設け、保温板10と排気連通筒6・6aと遮風板8の背板8aと側板8bとで囲まれた保温空間11を構成したから、遮風板8が送風機4の風で冷却されても保温空間11内は排気連通筒6・6aからの輻射熱より高温雰囲気になり、また送風機4から送られて排気連通筒6・6aにて熱交換された風が間隙9を通じて保温空間11に流入するので、保温空間11は常に高温状態が維持できるために調理空間7の後部を高温に保つことができ、調理空間7の前方と後方との温度差をなくして均一な温度にすることができた。   In the warm air heater of the present invention, the wind shield 8 provided in the frame 1 includes a back plate 8a that covers the blower 4 side of the cooking space 7 and a side plate 8b whose tip reaches the exhaust communication tubes 6 and 6a. On both sides of the cooking space 7, a heat insulating plate 10 extending forward from the back plate 8 a with a gap 9 is provided between the exhaust communication tubes 6 and 6 a, and the heat insulating plate 10, the exhaust communication tubes 6 and 6 a, and the back of the wind shield 8 Since the heat insulation space 11 surrounded by the plate 8a and the side plate 8b is configured, the heat insulation space 11 has a higher temperature atmosphere than the radiant heat from the exhaust communication tubes 6 and 6a even if the wind shield plate 8 is cooled by the wind of the blower 4. Further, since the wind sent from the blower 4 and heat-exchanged in the exhaust communication tubes 6 and 6a flows into the heat insulation space 11 through the gap 9, the heat insulation space 11 can always maintain a high temperature state. The rear part can be kept at a high temperature, eliminating the temperature difference between the front and rear of the cooking space 7. It could be a uniform temperature.
また、調理空間7内の側部に設けた保温板10は保温空間11の一部を形成していると共に、調理空間7への排気連通筒6・6aからの直接の輻射熱を防ぐために、排気連通筒6・6a付近の過度の温度上昇を抑え、保温板10自体から側方に均一な輻射熱を放出することができる。   In addition, the heat insulating plate 10 provided on the side portion in the cooking space 7 forms a part of the heat insulating space 11, and in order to prevent direct radiant heat from the exhaust communication tubes 6 and 6 a to the cooking space 7, An excessive temperature rise in the vicinity of the communication cylinders 6 and 6a can be suppressed, and uniform radiant heat can be emitted sideways from the heat insulating plate 10 itself.
また、遮風板8の背板8aもしくは側板8bに保温空間11と、送風機4から遮風板8を介して排気連通筒6・6aを通過する送風経路12とを連通させる連通孔13を設けたことで、送風機4から送られる風の一部は間隙9と連通孔13より保温空間11に流入するために、保温空間11内により風が対流するので熱交換が効率よく行われることになった。   Also, a communication hole 13 is provided in the back plate 8a or the side plate 8b of the wind shielding plate 8 so as to communicate the heat insulation space 11 and the air flow path 12 passing through the exhaust communication cylinders 6 and 6a from the blower 4 through the wind shielding plate 8. As a result, part of the wind sent from the blower 4 flows into the heat insulation space 11 through the gap 9 and the communication hole 13, so that the air convects in the heat insulation space 11, so that heat exchange is performed efficiently. It was.
また、排気連通筒6・6aの前方にはガード14を設け、ガード14は保温板10に連続して形成したことで、送風経路12内に容易にものが入り込むことなく、送風機4から送られ送風経路12を通過し熱交換された空気は枠体1外へと放出でき、また送風経路12を通過する風の一部はガード12にぶつかり保温板10に沿って保温空間11に誘導されるために、対流による熱移動が促進されるようになった。   In addition, a guard 14 is provided in front of the exhaust communication cylinders 6 and 6a, and the guard 14 is formed continuously with the heat insulating plate 10, so that an object does not easily enter the air passage 12 and is sent from the air blower 4. The air that has passed through the air passage 12 and exchanged heat can be discharged to the outside of the frame body 1, and part of the air that passes through the air passage 12 collides with the guard 12 and is guided to the heat insulation space 11 along the heat insulation plate 10. Therefore, heat transfer by convection has been promoted.
実施例を示す図によってこの構造を説明すると、1は温風暖房機の枠体、1aは枠体1の天板、1bは枠体1の置台、2は枠体1内で置台1bの中央に配置したバーナ、3はバーナ2の上部に連続して配置した燃焼室、4は枠体1の背板に配置した送風機、5は燃焼室3の上部に取付けた横長の下熱交換器、6・6aは下熱交換器5の上板に左右に配置し上方に伸ばした排気連通筒、5aは排気連通筒6・6aに連続して配置した下熱交換器5のような横長の上熱交換器であり、上・下熱交換器5・5aは枠体1の内部で天板1aの下方に沿って横に広がるように配置してある。また、15は下熱交換機5から下方に伸ばした排気筒、16は排気筒15に接続されて熱交換後の燃焼ガスを室外に放出する排気ファンである。   This structure will be described with reference to the drawings showing an embodiment. 1 is a frame of a warm air heater, 1a is a top plate of the frame 1, 1b is a base for the frame 1, 2 is a center of the base 1b in the frame 1 , 3 is a combustion chamber arranged continuously above the burner 2, 4 is a blower arranged on the back plate of the frame 1, 5 is a horizontally long lower heat exchanger attached to the top of the combustion chamber 3, 6 and 6a are left and right on the upper plate of the lower heat exchanger 5 and the exhaust communication cylinder extended upwards. 5a is a horizontally long upper plate like the lower heat exchanger 5 that is continuously arranged with the exhaust communication cylinders 6 and 6a. It is a heat exchanger, and the upper and lower heat exchangers 5 and 5a are arranged inside the frame 1 so as to spread laterally along the lower side of the top plate 1a. Reference numeral 15 denotes an exhaust pipe extending downward from the lower heat exchanger 5, and 16 denotes an exhaust fan connected to the exhaust pipe 15 to discharge the combustion gas after heat exchange to the outside.
17は枠体1内で置台1bの上に配置したレベラ、18はレベラ17の上に配置した燃料ポンプ、19は燃料ポンプ18とバーナ2との間に設けた燃料パイプ、19aは燃料パイプ19の先端に設けたノズルであり、燃料パイプ19を通じてノズル19aよりバーナ2の底面に燃料を滴下している。   Reference numeral 17 denotes a leveler arranged on the mounting base 1b in the frame body 1, 18 denotes a fuel pump arranged on the leveler 17, 19 denotes a fuel pipe provided between the fuel pump 18 and the burner 2, 19a denotes a fuel pipe 19 The nozzle is provided at the tip of the nozzle, and the fuel is dropped from the nozzle 19 a to the bottom surface of the burner 2 through the fuel pipe 19.
図に示す実施例のバーナ2はポット式バーナで構成しており、20は気化部と一次燃焼部を構成するポット、21はポット20の側壁にあけた空気孔、22は内部にポット20を収める風胴、23は風胴22に燃焼用空気を供給する燃焼ファンであり、この燃焼ファン23は室外から空気を吸い込んで風胴22に供給し、風胴22に送られた空気は空気孔21からポット20内に供給される。   The burner 2 of the embodiment shown in the figure is composed of a pot-type burner, 20 is a pot constituting a vaporization part and a primary combustion part, 21 is an air hole opened in the side wall of the pot 20, 22 is a pot 20 inside. The wind tunnel 23 is a combustion fan that supplies combustion air to the wind tunnel 22. The combustion fan 23 sucks air from the outside and supplies it to the wind tunnel 22. The air sent to the wind tunnel 22 is an air hole. 21 to the pot 20.
24はポット20の側面からポット20内に向けて取付けられ、底面とは間隔を介してポット20の底面の予熱と燃料の気化と着火を行う点火ヒータ、25はポット20内に設けた助燃部材であり、ポット20内にノズル19aより滴下された燃料は点火ヒータ24や燃焼熱で高温になっているポット20の底面で気化し、初期燃焼を行いながら空気孔21より供給される燃焼用空気と助燃部材25によって気化した燃料と燃焼用空気が混合して、ポット20の上方で完全燃焼する。   An ignition heater 24 is attached from the side surface of the pot 20 toward the inside of the pot 20, and preheats the bottom surface of the pot 20, vaporizes and ignites fuel, and 25 is an auxiliary member provided in the pot 20. The fuel dripped from the nozzle 19a into the pot 20 is vaporized at the bottom surface of the pot 20 that is heated by the ignition heater 24 or combustion heat, and combustion air supplied from the air holes 21 while performing initial combustion. The fuel vaporized by the auxiliary combustion member 25 and the combustion air are mixed and completely burned above the pot 20.
7は上・下熱交換器5・5aと排気連通筒6・6aとの間で囲まれる調理空間であり、上・下熱交換器5・5aと排気連通筒6・6aからの輻射熱を利用して加熱調理を行うことができる。また、8は調理空間7と送風機4との間に設けた遮風板であり、この遮風板8によって送風機4から送られてくる風が調理空間7の後部から流入するのを抑え、調理空間7内の温度低下を防ぐものである。   7 is a cooking space surrounded by the upper and lower heat exchangers 5 and 5a and the exhaust communication tubes 6 and 6a, and uses the radiant heat from the upper and lower heat exchangers 5 and 5a and the exhaust communication tubes 6 and 6a. And cooking can be performed. Reference numeral 8 denotes a wind shield provided between the cooking space 7 and the blower 4. The wind shield 8 prevents the wind sent from the blower 4 from flowing from the rear portion of the cooking space 7, thereby cooking. This prevents the temperature in the space 7 from decreasing.
26は枠体1の前面の中央が開口するように半円形で連続してなる後反射板、26aはバーナ2と燃焼室3の連続部に天板1aと平行になる位置に設けた底反射板、12は送風機4から遮風板8を介して排気連通筒6.6aを通過する送風経路であり、送風機4から送られる風は後反射板24の上部から燃焼室3と送風経路12を通過する際に熱交換され枠体1前方から室内に放出される。   Reference numeral 26 denotes a rear reflecting plate that is continuous in a semicircular shape so that the center of the front surface of the frame body 1 is open, and 26 a is a bottom reflection provided at a position parallel to the top plate 1 a at a continuous portion of the burner 2 and the combustion chamber 3. A plate 12 is a ventilation path that passes through the exhaust communication tube 6.6a from the blower 4 via the wind shielding plate 8. The wind sent from the blower 4 passes through the combustion chamber 3 and the ventilation path 12 from the upper part of the rear reflector 24. When passing, it is heat-exchanged and released into the room from the front of the frame 1.
しかし、調理空間7と送風機4との間に遮風板8を設けたものは、送風機4から送られる風が調理空間7の側部から流れ込んでしまうことや、この遮風板8は常に送風機4からの風が接触するために、調理空間7内の後部の温度低下や流れ込む風の対流の影響のために調理空間7内で温度ムラが生じてしまい均一に加熱調理ができなくなってしまうために、調理空間7内を高温で一定に保つ必要がある。   However, in the case where the wind shield 8 is provided between the cooking space 7 and the blower 4, the wind sent from the blower 4 flows from the side of the cooking space 7, and the wind shield 8 is always used as the blower. Since the wind from 4 comes into contact, temperature variation occurs in the cooking space 7 due to the temperature drop at the rear of the cooking space 7 and the influence of the convection of the flowing air, so that heating cooking cannot be performed uniformly. In addition, it is necessary to keep the cooking space 7 constant at high temperatures.
この発明はこの課題を解決するもので、8aは調理空間7の送風機4側を覆う背板、8bは排気連通筒6・6aに先端が届くように背板8aに連続して設けた側板であり、遮風板8は背板8aと側板8bで構成され、10は調理空間7の両側に配置して背板8aから前方に伸ばした保温板、9は保温板10と排気連通筒6・6aとの間に形成した間隙、11は保温板10と排気連通筒6・6aと遮風板8の背板8aと側板8bとで囲まれるように形成した保温空間である。   This invention solves this problem, 8a is a back plate that covers the fan 4 side of the cooking space 7, 8b is a side plate that is provided continuously to the back plate 8a so that the tip reaches the exhaust communication tubes 6 and 6a. The wind shield 8 is composed of a back plate 8a and a side plate 8b, 10 is a heat insulating plate disposed on both sides of the cooking space 7 and extended forward from the back plate 8a, 9 is a heat insulating plate 10 and an exhaust communication cylinder 6 Reference numeral 11 denotes a heat insulation space formed so as to be surrounded by the heat insulation plate 10, the exhaust communication cylinders 6 and 6a, the back plate 8a of the wind shielding plate 8, and the side plate 8b.
この構造では送風機4から送られる風が後反射板26によって送風経路12に導かれて、その際に調理空間7内には風が流れ込むことはなく枠体1前方より放出され、また送風経路12を通過し熱交換された風の一部は保温板10にぶつかって分流し、間隙9より保温空間11に流れることになる。   In this structure, the wind sent from the blower 4 is guided to the blower path 12 by the rear reflector 26, and at this time, the wind does not flow into the cooking space 7 but is discharged from the front of the frame 1, and the blower path 12. Part of the wind that has passed through and has been subjected to heat exchange collides with the heat insulating plate 10 and flows into the heat insulating space 11 through the gap 9.
そして、保温空間11内は排気連通筒6・6aからの輻射熱により高温雰囲気になり、また間隙9より送風機4から送られ熱交換された風が流れ込むことで保温空間11内は、常に高温状態を保つことができるために、保温空間11に接面する調理空間7の後方を保温空間11からの熱によって高温に維持することができ、調理空間7内の前方と後方との温度差をなくすことができた。   And the heat insulation space 11 becomes a high temperature atmosphere by the radiant heat from the exhaust communication tubes 6 and 6a, and the heat exchanged air sent from the blower 4 through the gap 9 flows into the heat insulation space 11 constantly in a high temperature state. Since it can be maintained, the rear of the cooking space 7 in contact with the heat retaining space 11 can be maintained at a high temperature by the heat from the heat retaining space 11, and the temperature difference between the front and rear in the cooking space 7 is eliminated. I was able to.
また、調理空間7の両面から間隙9を介して設けた保温板10は保温空間11の一部を構成していると共に、保温板10によって調理空間7内への風の流れを防ぐことで対流の影響がなく調理空間7内を均一で高温にすることができ、また保温板10は排気連通筒6・6aからの直接の輻射熱を遮るために排気連通筒6・6a付近の過度の温度上昇を抑え、保温板10に熱が伝わり保温板10自体から調理空間7の側方に均一な輻射熱を放出できる。   Further, the heat insulating plate 10 provided from both sides of the cooking space 7 through the gap 9 constitutes a part of the heat insulating space 11, and the heat insulating plate 10 prevents convection by preventing the flow of air into the cooking space 7. The inside of the cooking space 7 can be heated to a uniform and high temperature without being influenced by the heat, and the heat insulating plate 10 is excessively heated in the vicinity of the exhaust communication tubes 6 and 6a in order to block the direct radiant heat from the exhaust communication tubes 6 and 6a. The heat is transmitted to the heat insulating plate 10 and uniform radiant heat can be emitted from the heat insulating plate 10 itself to the side of the cooking space 7.
一方、図2に示す実施例において、13は前記遮風板8の背板8aもしくは側板8bに設けた保温空間11と送風経路12とを連通する連通孔であり、送風経路12と保温空間11との通風を行うことができる。   On the other hand, in the embodiment shown in FIG. 2, reference numeral 13 denotes a communication hole that connects the heat insulation space 11 provided in the back plate 8 a or the side plate 8 b of the wind shield 8 and the air passage 12, and the air passage 12 and the heat insulation space 11. Ventilation with can be performed.
この為に、保温空間11の内圧が下がって保温空間11内への風が対流し易くなるために、送風機4から送られてくる風の熱交換が効率よく行われることになり、また間隙9と連通孔13より保温空間11内に流れ込む風量は多くないために保温空間11は高温に保ったまま、かつ熱交換が効率的に作用することになった。   For this reason, since the internal pressure of the heat insulation space 11 is lowered and the air into the heat insulation space 11 is easily convected, heat exchange of the wind sent from the blower 4 is performed efficiently, and the gap 9 Since the amount of air flowing into the heat insulation space 11 from the communication hole 13 is not large, the heat exchange effectively works while keeping the heat insulation space 11 at a high temperature.
また、14は前記排気連通筒6・6aの前方に保温板10に連続して設けたガードであって、このガード14は格子状で抜き部を設けてあり、送風機4より送られ熱交換された風はガード14の抜き部より室内に放出される。   Reference numeral 14 denotes a guard provided continuously to the heat insulating plate 10 in front of the exhaust communication tubes 6 and 6a. The guard 14 has a lattice shape and is provided with a cut-out portion, and is sent from the blower 4 to exchange heat. The wind is discharged into the room from the extracted part of the guard 14.
上記のようにガード14を設けたことで、上・下熱交換器5・5aや排気連通筒6・6aのような高温部に容易に物が入ってしまうことや、誤って手などが高温の上・下熱交換器5・5aや排気連通筒6・6aに触れることはなくなり安全性が向上した。   By providing the guard 14 as described above, objects can easily enter high-temperature parts such as the upper and lower heat exchangers 5 and 5a and the exhaust communication tubes 6 and 6a, and the hands and the like are mistakenly hot. Safety is improved because the upper and lower heat exchangers 5 and 5a and the exhaust communication tubes 6 and 6a are not touched.
また、送風経路12を通過した風がガード14から放出するときに、この風の一部はガード14にぶつかり、保温板10に沿って保温空間11に導かれるから、保温空間11内を介して送風経路12に対流による熱移動が促進され、保温空間11内の温度が上昇しすぎることなく均一で高温に維持できると共に、効率よく熱交換も行われることで熱効率の向上にもつながるものとなった。   Further, when the wind passing through the air blowing path 12 is released from the guard 14, a part of the wind collides with the guard 14 and is guided to the heat insulation space 11 along the heat insulation plate 10. Heat transfer by convection is promoted in the air flow path 12 so that the temperature in the heat insulation space 11 can be maintained at a uniform and high temperature without excessively rising, and heat exchange is also efficiently performed, leading to an improvement in thermal efficiency. It was.
更に、調理空間7の後部を覆う背板8aが取付けられていることで、送風機4より送られる風は送風経路12を通過する以外に背板8aに沿って上方へ流れ、天板1aと上熱交換器5aの間を通過して前方より枠体1外へ放出されることになり、天板1aと上熱交換器5a間では低温の空気が流れ上熱交換器5aの熱で熱交換されるために、天板1aの表面は低温を維持することができ安全性、取扱い性が向上することとなった。   Furthermore, since the back plate 8a that covers the rear part of the cooking space 7 is attached, the wind sent from the blower 4 flows upward along the back plate 8a in addition to passing through the blower path 12, and the top plate 1a and the top plate 1a It passes between the heat exchangers 5a and is discharged from the front to the outside of the frame 1, and low-temperature air flows between the top plate 1a and the upper heat exchanger 5a to exchange heat with the heat of the upper heat exchanger 5a. Therefore, the surface of the top plate 1a can be kept at a low temperature, and the safety and handling are improved.
また、14aは調理空間7の上部で上熱交換器5aの下板との間隔を介して設けた上部ガードであり、調理空間7内において上熱交換器5aはそのままの状態で位置しているために、上部ガード14aによって高熱の上熱交換器5aに直接手やものが触れてしまうことはなく、また、27は調理空間7の底部に設けたグリル台であり、加熱調理を行う際に下熱交換器5からの輻射熱が直接被調理物に伝わることがなく、調理空間7の高温雰囲気で加熱することになるので焼きムラになってしまうことはない。   Reference numeral 14a denotes an upper guard provided at an upper portion of the cooking space 7 through a gap with a lower plate of the upper heat exchanger 5a, and the upper heat exchanger 5a is positioned in the cooking space 7 as it is. Therefore, the upper guard 14a does not directly touch the high heat upper heat exchanger 5a, and 27 is a grill stand provided at the bottom of the cooking space 7, which is used for cooking. Radiant heat from the lower heat exchanger 5 is not directly transmitted to the object to be cooked, and is heated in a high-temperature atmosphere of the cooking space 7, so that there is no uneven baking.
また、バーナ2より発生して燃焼室3に送られる高温の排ガスは、下熱交換器5から排気連通筒6、上熱交換器5a、排気連通筒6aの順に通過することで、これら放熱部の高温の排気ガスが流入する側では流出側と比べて高温になっているために、枠体1の背面に設けた送風機4を中央よりも排気連通筒6側よりに設置することで、送風経路12に送られる風量を調節し、調理空間7の両側面に及ぼす温度差を防ぐことができる。   Further, the high-temperature exhaust gas generated from the burner 2 and sent to the combustion chamber 3 passes through the lower heat exchanger 5 in the order of the exhaust communication cylinder 6, the upper heat exchanger 5a, and the exhaust communication cylinder 6a, so that these heat radiating portions Since the high-temperature exhaust gas inflow side is hotter than the outflow side, the blower 4 provided on the back surface of the frame 1 is installed closer to the exhaust communication tube 6 side than the center. The amount of air sent to the path 12 can be adjusted to prevent a temperature difference exerted on both sides of the cooking space 7.
この発明の実施例を示す熱交換器を備えた温風暖房機の正面縦断面図である。It is a front longitudinal cross-sectional view of the warm air heater provided with the heat exchanger which shows the Example of this invention. この発明の実施例の温風暖房機の熱交換器部の上面横断面図である。It is an upper surface cross-sectional view of the heat exchanger part of the warm air heater of the Example of this invention. この発明の実施例の温風暖房機の側面縦断面図である。It is a side longitudinal cross-sectional view of the warm air heater of the Example of this invention.
符号の説明Explanation of symbols
1 枠体
2 バーナ
3 燃焼室
4 送風機
5 下熱交換器
5a 上熱交換器
6 排気連通筒
6a 排気連通筒
7 調理空間
8 遮風板
8a 背板
8b 側板
9 間隙
10 保温板
11 保温空間
12 送風経路
13 連通孔
14 ガード

DESCRIPTION OF SYMBOLS 1 Frame 2 Burner 3 Combustion chamber 4 Blower 5 Lower heat exchanger 5a Upper heat exchanger 6 Exhaust communication cylinder 6a Exhaust communication cylinder 7 Cooking space 8 Wind shield 8a Back plate 8b Side plate 9 Gap 10 Heat insulation plate 11 Heat insulation space 12 Air blow Route 13 Communication hole 14 Guard

Claims (3)

  1. 枠体1内にバーナ2を設け、バーナ2の上部に燃焼室3を設け、枠体1の背板には送風機4を配置し、燃焼室3の上部には横長の下熱交換器5と、下熱交換器5の上板の左右に連接して設けた排気連通筒6・6aと、排気連通筒6・6aの上部に上熱交換器5aを備え、上・下熱交換器5・5aと排気連通筒6・6aとの間で囲まれる調理空間7を構成すると共に、この調理空間7と前記送風機4の間にはこの送風機4から送られる風を防ぐ遮風板8を配置した温風暖房機において、
    前記遮風板8は調理空間7の送風機4側を覆う背板8aと先端が前記排気連通筒6・6aに届く側板8bとを備え、前記調理空間7の両側で前記排気連通筒6・6aとは間隙9を介して背板8aから前方に伸ばした保温板10を設け、
    この保温板10と排気連通筒6・6aと遮風板8の背板8aと側板8bとで囲まれた保温空間11を構成したことを特徴とする調理空間を備えた温風暖房機。
    A burner 2 is provided in the frame 1, a combustion chamber 3 is provided in the upper part of the burner 2, a blower 4 is disposed on the back plate of the frame 1, and a horizontally long lower heat exchanger 5 is disposed in the upper part of the combustion chamber 3. The upper and lower heat exchangers 5 and 6a are connected to the left and right of the upper plate of the lower heat exchanger 5 and the upper heat exchanger 5a is provided above the exhaust communication tubes 6 and 6a. A cooking space 7 surrounded by 5a and the exhaust communication cylinders 6 and 6a is configured, and a wind shielding plate 8 is disposed between the cooking space 7 and the blower 4 to prevent wind sent from the blower 4. In hot air heaters,
    The wind shielding plate 8 includes a back plate 8 a that covers the fan 4 side of the cooking space 7, and a side plate 8 b that has a tip reaching the exhaust communication tube 6, 6 a, and the exhaust communication tube 6, 6 a on both sides of the cooking space 7. Is provided with a heat insulating plate 10 extending forward from the back plate 8a through a gap 9,
    A hot-air heater provided with a cooking space, characterized in that a heat-retaining space 11 surrounded by the heat-retaining plate 10, the exhaust communication tubes 6 and 6a, the back plate 8a and the side plate 8b of the wind shielding plate 8 is formed.
  2. 前記遮風板8の背板8aもしくは側板8bに保温空間11と、送風機4から遮風板8を介して排気連通筒6・6aを通過する送風経路12とを連通させる連通孔13を設けたことを特徴とする請求項1の温風暖房機。   The back plate 8a or the side plate 8b of the wind shield plate 8 is provided with a communication hole 13 for connecting the heat insulation space 11 and the air flow path 12 passing through the exhaust communication cylinders 6 and 6a from the blower 4 through the wind shield plate 8. The hot air heater according to claim 1.
  3. 前記排気連通筒6・6aの前方にはガード14を設け、ガード14は前記保温板10に連続して形成したことを特徴とする請求項1の温風暖房機。
    The warm air heater according to claim 1, wherein a guard 14 is provided in front of the exhaust communication cylinders 6 and 6a, and the guard 14 is formed continuously with the heat insulating plate 10.
JP2005252167A 2005-08-31 2005-08-31 Hot air heater with cooking space Active JP4770338B2 (en)

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