JP2024030299A - Fryer and control method of fryer - Google Patents

Fryer and control method of fryer Download PDF

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JP2024030299A
JP2024030299A JP2022133078A JP2022133078A JP2024030299A JP 2024030299 A JP2024030299 A JP 2024030299A JP 2022133078 A JP2022133078 A JP 2022133078A JP 2022133078 A JP2022133078 A JP 2022133078A JP 2024030299 A JP2024030299 A JP 2024030299A
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oil
frying
amount
section
replenishment
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憲一郎 井手
Kenichiro Ide
淳一 生稲
Junichi Inata
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Nisshin Oillio Group Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a fryer capable of suppressing deficiencies caused by executing an oil supply process during frying work.
SOLUTION: A fryer comprises: an oil tank 11 for storing frying oil and executing frying work, with frying object food immersed in the frying oil; an oil supply part 13 for executing an oil supply process of supplying the frying oil to the oil tank 11; an oil supply control part 33 for controlling the oil supply part 13; an oil amount determination part 31 for determining whether or not an amount of the frying oil in the oil tank 11 is a prescribed oil amount or less; and a frying work determination part 32 for determining whether or not the frying work is being executed by the oil tank 11. The oil supply control part 33 causes the oil supply part 13 to execute the oil supply process when the oil amount determination part 31 determines that the oil amount is a first oil amount or less and the frying work determination part 32 determines that the frying work is not being executed.
SELECTED DRAWING: Figure 1
COPYRIGHT: (C)2024,JPO&INPIT

Description

本発明は、フライヤー及びフライヤーの制御方法に関するものである。 The present invention relates to a fryer and a fryer control method.

従来、フライヤーとして、油槽（フライバット）に対し新しいフライ油（調理油）を追加する自動注油システムを備えたものがある（特許文献１参照）。このフライヤーは、フライ油を収容する油槽と、油槽の油面を感知する油面センサと、油容器から油槽にフライ油を給送するポンプと、を含んでいる。そして、このフライヤーでは、油面センサによって油槽の油面が予め定められた分だけ下がったことを感知すると常に、ポンプを作動させてフライ油を油槽に給送する。このように、油槽に対するフライ油の補給を自動的に行うことができるようになっている。 Conventionally, some fryers are equipped with an automatic oil filling system that adds new frying oil (cooking oil) to an oil tank (fly vat) (see Patent Document 1). This fryer includes an oil tank that stores frying oil, an oil level sensor that detects the oil level in the oil tank, and a pump that supplies frying oil from the oil container to the oil tank. In this fryer, whenever the oil level sensor detects that the oil level in the oil tank has dropped by a predetermined amount, the pump is activated to supply frying oil to the oil tank. In this way, it is possible to automatically replenish frying oil to the oil tank.

特許第５３４０９６２号公報Patent No. 5340962

しかし、従来のフライヤーでは、油槽でのフライ作業中にフライ油の補給が行われるため、油補給処理に伴って跳ねたフライ油が作業者の腕や顔に付着してしまう危険性や、油補給処理に伴ってフライ油の温度が低下することで揚げ物の調理精度が低下してしまう問題が生じてしまう。 However, in conventional fryers, frying oil is replenished during frying in the oil tank, so there is a risk that the frying oil splashed during the oil replenishment process may get on the worker's arms or face. A problem arises in that the temperature of the frying oil decreases during the replenishment process, resulting in a decrease in the cooking accuracy of fried foods.

そこで、本発明は、フライ作業中に油補給処理が行われることによる不備を抑制することができるフライヤー及びフライヤーの制御方法を提供することを目的としている。 SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a fryer and a fryer control method that can suppress defects caused by oil replenishment processing during frying operations.

本発明は、上記目的を達成するため、フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽と、油補給処理手段と、を有し、前記油補給処理手段は、前記油槽に前記フライ油を補給する油補給処理を行う油補給部と、前記油補給部を制御する油補給制御部と、前記油槽に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定部と、前記油槽による前記フライ作業中であるか否かを判定するフライ作業判定部と、を備え、前記油補給制御部は、前記油量判定部によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定部によって前記フライ作業中でないと判定された場合、前記油補給部によって前記油補給処理を行うことを特徴とする、フライヤーを提供する。 In order to achieve the above object, the present invention includes an oil tank that stores frying oil and performs frying operations by immersing fried foods in the frying oil, and an oil replenishment processing means, the oil replenishment processing means comprising: an oil replenishment section that performs an oil replenishment process to replenish the frying oil to the oil tank; an oil replenishment control section that controls the oil replenishment section; and a frying operation determination section that determines whether or not the frying operation is in progress using the oil tank. If the oil amount is determined to be less than or equal to the predetermined oil amount, and the frying operation determination section determines that the frying operation is not in progress, the oil replenishment process is performed by the oil replenishment section. and provide flyers.

また、本発明は、上記目的を達成するため、フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽と、前記油槽に前記フライ油を補給する油補給処理を行う油補給部と、を備えたフライヤーの制御方法であって、前記油槽に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定工程と、前記油槽による前記フライ作業中であるか否かを判定するフライ作業判定工程と、前記油量判定工程によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定工程によって前記フライ作業中でないと判定された場合、前記油補給部によって前記油補給処理を行う油補給工程と、を実行することを特徴とする、フライヤーの制御方法を提供する。 In order to achieve the above object, the present invention also provides an oil tank that stores frying oil and performs frying operations by immersing fried foods in the frying oil, and an oil tank that performs an oil replenishment process that replenishes the frying oil to the oil tank. A method for controlling a fryer, comprising: a replenishing unit; The frying operation determination step determines whether or not the frying operation is in progress, and the oil amount is determined to be less than or equal to the predetermined oil amount by the oil amount determination step, and If it is determined that the fryer is not in operation, an oil replenishing step of performing the oil replenishment process by the oil replenishing section is provided.

本発明に係るフライヤー及びフライヤーの制御方法は、フライ作業中に油補給処理が行われることによる不備を抑制することができる。 The fryer and fryer control method according to the present invention can suppress defects caused by oil replenishment processing during frying operations.

本発明の一実施形態に係るフライヤーの構成例を示した構成図である。1 is a configuration diagram showing an example of the configuration of a fryer according to an embodiment of the present invention. 油保守動作を示したフローチャートである。It is a flow chart showing oil maintenance operation. 第２実施形態のフライヤーの構成例を示した構成図である。It is a block diagram which showed the structural example of the fryer of 2nd Embodiment. 第２実施形態のフライヤーにおける油保守動作を示したフローチャートである。It is a flow chart showing oil maintenance operation in a fryer of a 2nd embodiment. 第２実施形態のフライヤーにおける油保守動作の第１変形例を示したフローチャートである。It is a flowchart which showed the 1st modification of oil maintenance operation in a fryer of a 2nd embodiment. 第２実施形態のフライヤーにおける油保守動作の第２変形例を示したフローチャートである。It is a flowchart which showed the 2nd modification of the oil maintenance operation in the fryer of 2nd Embodiment. 第２実施形態のフライヤーにおける油保守動作の第３変形例を示したフローチャートである。It is a flowchart which showed the 3rd modification of the oil maintenance operation in the fryer of 2nd Embodiment.

以下、添付の図面を参照しながら、本発明の一実施形態に係るフライヤー及びフライヤーの制御方法について説明する。このフライヤーは、フライ油によって揚げ物を調理するフライ作業を行う調理装置である。特に、本フライヤーは、油槽へのフライ油の補給を自動的に行う自動油補給機能を備えると共に、自動油補給機能によって生じる危険や調理精度低下を抑止する制御を採用したものである。なお、本実施形態では、揚げ物として、例えば、天ぷらやフライドポテト、コロッケ等を調理することを想定し、フライヤーは、例えば、揚げ物専門店やコンビニ、ファーストフード店等に設置されるものを想定している。 EMBODIMENT OF THE INVENTION Hereinafter, a fryer and a control method for a fryer according to an embodiment of the present invention will be described with reference to the accompanying drawings. This fryer is a cooking device that performs a frying operation of cooking fried foods using frying oil. In particular, this fryer is equipped with an automatic oil replenishment function that automatically replenishes frying oil into the oil tank, and also employs controls to prevent dangers and deterioration of cooking accuracy caused by the automatic oil replenishment function. In this embodiment, it is assumed that fried foods such as tempura, french fries, croquettes, etc. will be cooked, and the fryer is assumed to be installed at, for example, a deep-fried food specialty store, a convenience store, a fast food restaurant, etc. ing.

［第１実施形態］
（フライヤーの構成）
図１に示すように、フライヤー１は、フライ油を貯留しフライ作業を行う油槽１１と、油槽１１に貯留されたフライ油を加熱するヒータ１２と、油槽１１にフライ油を補給する油補給部１３と、油槽１１に貯留されたフライ油の油面を撮像する撮像部１４と、ヒータ１２及び油補給部１３を制御する制御部１５と、を備えている。 [First embodiment]
(Fryer configuration)
As shown in FIG. 1, the fryer 1 includes an oil tank 11 that stores frying oil and performs frying operations, a heater 12 that heats the frying oil stored in the oil tank 11, and an oil supply section that replenishes the oil tank 11 with frying oil. 13, an imaging section 14 that captures an image of the oil surface of the frying oil stored in the oil tank 11, and a control section 15 that controls the heater 12 and the oil supply section 13.

油槽１１は、図外のハウジングの上部に配設され、フライ作業を行うためのフライ油を貯留する。また、油槽１１は、必要に応じて、揚げ物が投入されるフライバスケット（図示省略）をセット可能に構成されている。フライヤー１の作業者（オペレータ）が、揚げ物を投入したフライバスケットを油槽１１にセットすることで、又は揚げ物を直接油槽１１に投入することで、油槽１１に貯留されたフライ油に揚げ物が投入され、揚げ物がフライ油に浸漬される。ヒータ１２によって加熱されたフライ油に、揚げ物が浸漬されることで、揚げ物を調理する。以下、このフライ油に揚げ物を浸漬させて揚げ物を調理する作業を「フライ作業」と呼称する。 The oil tank 11 is disposed at the top of a housing (not shown) and stores frying oil for frying. Further, the oil tank 11 is configured such that a frying basket (not shown) into which fried foods are placed can be set, if necessary. When the operator of the fryer 1 sets a frying basket containing fried food in the oil tank 11 or directly puts the fried food into the oil tank 11, the fried food is added to the frying oil stored in the oil tank 11. , the fried food is immersed in frying oil. The fried food is immersed in frying oil heated by a heater 12 to cook the fried food. Hereinafter, the operation of cooking fried foods by immersing them in this frying oil will be referred to as "frying operation."

ヒータ１２は、油槽１１に貯留されたフライ油の温度が、設定温度となるようにフライ油を加熱する加熱手段である。なお、ヒータ１２は、油槽１１の外壁中又は外壁に設置されていてもよい。また、ヒータ１２に代えて、例えば、ガスバーナー、電磁誘導加熱等を用いる構成であってもよい。 The heater 12 is a heating means that heats the frying oil so that the temperature of the frying oil stored in the oil tank 11 reaches a set temperature. Note that the heater 12 may be installed in or on the outer wall of the oil tank 11. Further, instead of the heater 12, for example, a gas burner, electromagnetic induction heating, or the like may be used.

油補給部１３は、油槽１１に補給するフライ油を収容するフライ油タンク２１と、フライ油タンク２１に収容されたフライ油を油槽１１に供給する補給配管２２と、補給配管２２に配設された補給ポンプ２３及び補給配管開閉弁２４と、を有している。補給配管２２のノズルは、逆流を防ぐために貯留されたフライ油の油面より上方に配設することが好ましい。また、補給配管２２のノズルは、油補給時のフライ油の飛び跳ねを防止するために、油槽１１の貯留されたフライ油の油面より数ｃｍ以内上方の範囲で設置されることが好ましい。なお、油補給時のフライ油の飛び跳ねのみを考慮するのであれば、補給配管２２のノズルをフライ油中に設置してもよい。 The oil supply section 13 is arranged in a frying oil tank 21 that stores frying oil to be supplied to the oil tank 11, a supply pipe 22 that supplies the frying oil stored in the frying oil tank 21 to the oil tank 11, and a supply pipe 22. It has a replenishment pump 23 and a replenishment piping opening/closing valve 24. The nozzle of the supply pipe 22 is preferably disposed above the level of the stored frying oil to prevent backflow. Further, the nozzle of the replenishment pipe 22 is preferably installed within several cm above the level of the frying oil stored in the oil tank 11 in order to prevent the frying oil from splashing during oil replenishment. Note that if only the splashing of frying oil during oil replenishment is considered, the nozzle of the replenishment pipe 22 may be installed in the frying oil.

補給ポンプ２３は、フライ油タンク２１に収容されたフライ油を油槽１１に送液する送液ポンプであり、補給配管開閉弁２４は、補給ポンプ２３の下流側に配設され、補給配管２２を開閉する電磁弁である。油補給部１３では、補給配管開閉弁２４を開放した状態で、補給ポンプ２３を駆動することで、フライ油タンク２１に収容されたフライ油を油槽１１に供給する。これによって、油槽１１にフライ油を補給する油補給処理を行う。なお、本実施形態では、補給ポンプ２３の圧力によってフライ油を油槽１１に供給する構成であるが、フライ油タンク２１を油槽１１よりも高い位置に配設し、水頭圧によってフライ油を油槽１１に供給する構成であってもよい。 The replenishment pump 23 is a liquid pump that sends the frying oil stored in the frying oil tank 21 to the oil tank 11, and the replenishment piping opening/closing valve 24 is disposed downstream of the replenishment pump 23 and connects the replenishment piping 22 to the oil tank 11. It is a solenoid valve that opens and closes. In the oil replenishment section 13, the frying oil stored in the frying oil tank 21 is supplied to the oil tank 11 by driving the replenishment pump 23 with the replenishment pipe opening/closing valve 24 open. As a result, an oil replenishment process for replenishing the oil tank 11 with frying oil is performed. In this embodiment, the frying oil is supplied to the oil tank 11 by the pressure of the replenishment pump 23, but the frying oil tank 21 is arranged at a higher position than the oil tank 11, and the frying oil is supplied to the oil tank 11 by the water head pressure. It may also be configured to supply the

撮像部１４は、ＣＣＤカメラやＣＭＯＳカメラ等で構成されており、油槽１１の斜め上方から油槽１１の油面を撮像する。詳細は後述するが、撮像部１４の撮像結果は、油槽１１に貯留されたフライ油の油量の判定に用いられると共に、油槽１１によるフライ作業中であるか否かの判定に用いられる。 The imaging unit 14 is composed of a CCD camera, a CMOS camera, etc., and images the oil surface of the oil tank 11 from diagonally above the oil tank 11. Although details will be described later, the imaging result of the imaging unit 14 is used to determine the amount of frying oil stored in the oil tank 11, and is also used to determine whether or not the oil tank 11 is in the process of frying.

制御部１５は、ＣＰＵ（Ｃｅｎｔｒａｌ Ｐｒｏｃｅｓｓｉｎｇ Ｕｎｉｔ）、ＲＡＭ（Ｒａｎｄｏｍ Ａｃｃｅｓｓ Ｍｅｍｏｒｙ）、ＲＯＭ（Ｒｅａｄ Ｏｎｌｙ Ｍｅｍｏｒｙ）、フラッシュＲＯＭ等で構成されており、ヒータ１２及び油補給部１３（の補給ポンプ２３及び補給配管開閉弁２４）を制御する。また、制御部１５は、所定のプログラムを実行することで、油量判定部３１、フライ作業判定部３２及び油補給制御部３３として機能する。本フライヤー１では、この油量判定部３１、フライ作業判定部３２及び油補給制御部３３と、油補給部１３及び撮像部１４とによって、フライ作業により揚げ物に吸収された分のフライ油を、油槽１１に対し自動的に補給する自動油補給機能（自動差し油機能）を構成している。なお、油補給処理手段は、油補給部１３、油量判定部３１、フライ作業判定部３２及び油補給制御部３３によって構成されている。 The control unit 15 is composed of a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), a flash ROM, etc., and includes a replenishment pump 23 and a replenishment pipe of the heater 12 and the oil replenishment unit 13. The on-off valve 24) is controlled. Further, the control unit 15 functions as an oil amount determination unit 31, a frying operation determination unit 32, and an oil replenishment control unit 33 by executing a predetermined program. In this fryer 1, the oil amount determination section 31, the frying operation determination section 32, the oil replenishment control section 33, the oil replenishment section 13, and the imaging section 14 control the amount of frying oil absorbed by the fried food during the frying operation. An automatic oil replenishment function (automatic oil filling function) for automatically replenishing the oil tank 11 is configured. The oil replenishment processing means includes an oil replenishment section 13, an oil amount determination section 31, a frying operation determination section 32, and an oil replenishment control section 33.

油量判定部３１は、撮像部１４による撮像結果を解析して、油槽１１に貯留されたフライ油の油量が、減液状態にあたる第１油量（所定の油量）以下であるか否かを判定する。すなわち、油量判定部３１は、当該油量が第１油量以下であるか否かを判定することで、フライ油が減少した減液状態であるか否かを判定する。具体的には、例えば、撮像部１４の撮像結果を解析して、油槽１１に貯留されたフライ油の油面レベル（油面の高さ）を取得し、上記第１油量の油面レベルと比較して判定を行う。なお、本実施形態では、撮像部１４による撮像結果を解析して、当該油量を判定する構成であるが、これに限るものではない。詳細は後述するが、例えば、重量センサによる検出結果や油面レベル計測器の計測結果、油面センサの検出結果等に基づいて、当該油量を判定する構成であってもよい。すなわち、油量判定部３１で判定する「フライ油の油量」は、フライ油の油面レベルに限らず、例えば、フライ油の重量等であってもよい。なお、以下、油槽１１に貯留されたフライ油の油量を、単に「油槽１１の油量」と呼称する。 The oil amount determining section 31 analyzes the imaging results obtained by the imaging section 14 and determines whether the amount of frying oil stored in the oil tank 11 is less than or equal to a first oil amount (predetermined oil amount) corresponding to a reduced liquid state. Determine whether That is, the oil amount determination unit 31 determines whether the frying oil is in a reduced liquid state by determining whether the oil amount is equal to or less than the first oil amount. Specifically, for example, the imaging result of the imaging unit 14 is analyzed to obtain the oil level (oil level height) of the frying oil stored in the oil tank 11, and the oil level of the first oil amount is determined. Make a judgment by comparing with. In addition, in this embodiment, the configuration is such that the oil amount is determined by analyzing the imaging result by the imaging unit 14, but the invention is not limited to this. Although details will be described later, the oil amount may be determined based on, for example, a detection result by a weight sensor, a measurement result by an oil level measuring device, a detection result by an oil level sensor, or the like. That is, the "oil amount of frying oil" determined by the oil amount determining section 31 is not limited to the oil level of the frying oil, but may be, for example, the weight of the frying oil. Hereinafter, the amount of frying oil stored in the oil tank 11 will be simply referred to as "the amount of oil in the oil tank 11."

フライ作業判定部３２は、撮像部１４による撮像結果を解析して、油槽１１によるフライ作業中であるか否かを判定する。具体的には、例えば、撮像部１４による撮像結果を解析して、揚げ物が投入された状態である否かを判定し、油槽１１に貯留されたフライ油に揚げ物が投入された状態の場合、油槽１１によるフライ作業中であると判定し、油槽１１に貯留されたフライ油に揚げ物が投入されていない状態の場合、油槽１１によるフライ作業中でないと判定する。揚げ物が投入された状態である否かを判定は、例えば、揚げ物の投入時点及び揚げ物の取出し時点を取得し、これらに基づいて判定を行う構成であってもよいし、投入された揚げ物から生じる泡の有無に基づいて、判定を行う構成であってもよい。なお、本実施形態では、撮像部１４による撮像結果を解析して、フライ作業中であるか否かを判定する構成であるが、これに限るものではない。詳細は後述するが、例えば、重量センサの検出結果や音センサの検出結果、振動センサの検出結果、操作パネルの操作結果、調理スケジュール等に基づいて、フライ作業中であるか否かを判定する構成であってもよい。 The frying operation determining section 32 analyzes the image taken by the imaging section 14 and determines whether or not frying operation using the oil tank 11 is in progress. Specifically, for example, the imaging result by the imaging unit 14 is analyzed to determine whether or not fried food has been added, and if the fried food has been added to the frying oil stored in the oil tank 11, If it is determined that the frying operation using the oil tank 11 is in progress, and no fried food is put into the frying oil stored in the oil tank 11, it is determined that the frying operation using the oil tank 11 is not in progress. To determine whether or not the fried food has been added, for example, the time when the fried food is put in and the time when the fried food is taken out may be acquired, and the determination may be made based on these. The configuration may be such that the determination is made based on the presence or absence of bubbles. In the present embodiment, the image capturing result by the image capturing section 14 is analyzed to determine whether the frying operation is in progress, but the present invention is not limited to this. Although the details will be described later, for example, it is determined whether or not frying is in progress based on the detection results of the weight sensor, the detection results of the sound sensor, the detection results of the vibration sensor, the operation results of the operation panel, the cooking schedule, etc. It may be a configuration.

油補給制御部３３は、油量判定部３１及びフライ作業判定部３２の判定結果に基づき、油補給処理を行う。すなわち、油量判定部３１によって油槽１１の油量が第１油量以下であると判定され、かつ、フライ作業判定部３２によって油槽１１によるフライ作業中でないと判定された場合、油補給部１３の補給ポンプ２３及び補給配管開閉弁２４を制御し、油補給部１３によって油補給処理を行う。このように、油槽１１の油量が第１油量以下まで減少した場合において、フライ作業中ではないときのみ、油補給処理を行うことで、フライ作業中に油補給処理が行われないように制御する。 The oil replenishment control section 33 performs oil replenishment processing based on the determination results of the oil amount determination section 31 and the frying operation determination section 32. That is, when the oil amount determining section 31 determines that the oil amount in the oil tank 11 is equal to or less than the first oil amount, and the frying operation determining section 32 determines that the frying operation using the oil tank 11 is not in progress, the oil replenishing section 13 The replenishment pump 23 and replenishment piping opening/closing valve 24 are controlled, and the oil replenishment section 13 performs oil replenishment processing. In this way, when the oil amount in the oil tank 11 decreases to the first oil amount or less, the oil replenishment process is performed only when the frying operation is not in progress, so that the oil replenishment process is not performed during the frying operation. Control.

また、油補給処理では、油槽１１に貯留されたフライ油の油量が、満液状態にあたる第２油量以上になるまで、フライ油を補給する。すなわち、補給配管開閉弁２４を開放しつつ補給ポンプ２３を駆動し、撮像部１４の撮像結果によって油槽１１の油量が第２油量以上になったと判定されるまで、油槽１１にフライ油を補給する。第２油量は、第１油量より多い油量である。なお、第１油量と第２油量とを同じ油量にしてもよい。また、油槽１１に貯留されたフライ油の油量が第２油量以上になるまで、フライ油を補給するのに代えて、フライ油を一定量補給する構成であってもよい。 In the oil replenishment process, frying oil is replenished until the amount of frying oil stored in the oil tank 11 reaches a second oil amount or more corresponding to a full liquid state. That is, the replenishment pump 23 is driven while the replenishment piping on-off valve 24 is opened, and frying oil is supplied to the oil tank 11 until it is determined that the oil amount in the oil tank 11 has reached the second oil amount or more based on the imaging result of the imaging unit 14. Replenish. The second oil amount is greater than the first oil amount. Note that the first oil amount and the second oil amount may be the same oil amount. Furthermore, instead of replenishing the frying oil until the amount of the frying oil stored in the oil tank 11 reaches a second oil amount or more, a certain amount of frying oil may be replenished.

（油保守動作）
ここで図２を参照して、制御部１５による油保守動作について説明する。この油保守動作は、フライヤー１が起動している状態において、一定時間毎（例えば、１秒毎）に行われる動作であり、油槽１１に貯留されたフライ油の状態を監視し、当該フライ油の状態を保守する動作である。本実施形態では、油槽１１の油量を監視し、油槽１１の油量が第１油量以上となるようにしている。なお、油保守動作は、フライヤー１の制御方法の一例である。 (Oil maintenance operation)
Here, referring to FIG. 2, the oil maintenance operation by the control section 15 will be described. This oil maintenance operation is an operation that is performed at fixed time intervals (for example, every 1 second) while the fryer 1 is running, and monitors the state of the frying oil stored in the oil tank 11. This is an operation to maintain the state of . In this embodiment, the amount of oil in the oil tank 11 is monitored to ensure that the amount of oil in the oil tank 11 is equal to or greater than the first amount of oil. Note that the oil maintenance operation is an example of a method of controlling the fryer 1.

図２に示すように、油保守動作では、制御部１５は、まず、油量判定部３１によって、現在の油槽１１の油量が第１油量以下であるか否かを判定する（Ｓ１）（油量判定工程）。例えば、撮像部１４による撮像結果を解析して、油槽１１の油量が第１油量以下であるか否かを判定する。判定の結果、油槽１１の油量が第１油量以下でないと判定された場合（Ｓ１：Ｎｏ）、本油保守動作を終了する。 As shown in FIG. 2, in the oil maintenance operation, the control unit 15 first determines whether the current oil amount in the oil tank 11 is less than or equal to the first oil amount using the oil amount determining unit 31 (S1). (oil amount determination process). For example, it is determined whether or not the amount of oil in the oil tank 11 is equal to or less than the first amount of oil by analyzing the image taken by the image capturing section 14. As a result of the determination, if it is determined that the oil amount in the oil tank 11 is not less than or equal to the first oil amount (S1: No), the main oil maintenance operation is ended.

一方、油槽１１の油量が第１油量以下であると判定された場合（Ｓ１：Ｙｅｓ）、フライ作業判定部３２によって、現在、油槽１１によるフライ作業中であるか否かを判定する（Ｓ２）（フライ作業判定工程）。例えば、撮像部１４による撮像結果を解析して、油槽１１によるフライ作業中であるか否かを判定する。判定の結果、油槽１１によるフライ作業中であると判定された場合（Ｓ２：Ｙｅｓ）、油補給処理を行わずに、本油保守動作を終了する。 On the other hand, if it is determined that the oil amount in the oil tank 11 is less than or equal to the first oil amount (S1: Yes), the frying operation determining unit 32 determines whether or not the oil tank 11 is currently performing a frying operation ( S2) (Frying work determination process). For example, the image capturing result by the image capturing unit 14 is analyzed to determine whether or not the frying operation using the oil tank 11 is in progress. As a result of the determination, if it is determined that the frying operation is in progress using the oil tank 11 (S2: Yes), the main oil maintenance operation is ended without performing the oil replenishment process.

油槽１１の油量が第１油量以下であると判定され（Ｓ１：Ｙｅｓ）、かつ、油槽１１によるフライ作業中でないと判定された場合（Ｓ２：Ｎｏ）、油補給制御部３３によって、油補給処理を行う（Ｓ３）（油補給工程）。すなわち、油槽１１の油量が第２油量になるまで、油槽１１にフライ油を補給する。これにより、本油保守動作を終了する。このように、油補給処理が自動的に行われる。これにより、揚げ物に吸収された分のフライ油が自動的に油槽１１に補給される。また、油槽１１内のフライ油が廃棄され、油槽１１が空の状態においても、フライ油が第２油量まで自動的に補給される。また、新しいフライ油が定期的に油槽１１に補給されるため、新しいフライ油中のトコフェロールによって、油槽１１に貯留されたフライ油の抗酸化機能が強化され、フライ油の劣化が抑制される。 If it is determined that the oil amount in the oil tank 11 is less than or equal to the first oil amount (S1: Yes) and it is determined that the oil tank 11 is not in frying operation (S2: No), the oil replenishment control unit 33 A replenishment process is performed (S3) (oil replenishment process). That is, frying oil is supplied to the oil tank 11 until the oil amount in the oil tank 11 reaches the second oil amount. This completes the main oil maintenance operation. In this way, oil replenishment processing is automatically performed. As a result, the amount of frying oil absorbed by the fried food is automatically replenished into the oil tank 11. Further, even when the frying oil in the oil tank 11 is discarded and the oil tank 11 is empty, the frying oil is automatically replenished to the second oil amount. In addition, since new frying oil is regularly replenished into the oil tank 11, the tocopherol in the new frying oil strengthens the antioxidant function of the frying oil stored in the oil tank 11, thereby suppressing deterioration of the frying oil.

［第２実施形態］
次に図３及び図４を参照して、第２実施形態のフライヤー１Ａについて第１実施形態とは異なる部分のみ説明する。第２実施形態のフライヤー１Ａは、自動油補給機能に加え、自動油交換機能及び自動油ろ過機能を有したものである。 [Second embodiment]
Next, with reference to FIGS. 3 and 4, only the portions of the fryer 1A of the second embodiment that are different from those of the first embodiment will be described. The fryer 1A of the second embodiment has an automatic oil change function and an automatic oil filtration function in addition to an automatic oil replenishment function.

（第２実施形態のフライヤーの構成）
例えば、図３に示すように、第２実施形態のフライヤー１Ａは、図１に記載の各部に加え、油槽１１に貯留されたフライ油を廃棄する廃油部４１と、油槽１１に貯留されたフライ油をろ過するろ過部４２と、を備えている。 (Configuration of fryer of second embodiment)
For example, as shown in FIG. 3, in addition to the parts shown in FIG. It includes a filtration section 42 that filters oil.

廃油部４１は、油槽１１に貯留されたフライ油を廃油する廃油配管５１と、廃油配管５１に配設された廃油配管開閉弁５２と、を有している。廃油配管開閉弁５２は、廃油配管５１を開閉する電磁弁である。廃油部４１では、廃油配管開閉弁５２を開放することで、油槽１１に貯留されたフライ油を廃棄する廃油処理を行う。 The waste oil section 41 includes a waste oil pipe 51 for discarding the frying oil stored in the oil tank 11, and a waste oil pipe opening/closing valve 52 disposed in the waste oil pipe 51. The waste oil pipe opening/closing valve 52 is a solenoid valve that opens and closes the waste oil pipe 51. In the waste oil section 41, waste oil processing is performed to discard the frying oil stored in the oil tank 11 by opening the waste oil piping opening/closing valve 52.

ろ過部４２は、フライ油から揚げカスをろ過するろ過フィルタ６１と、ろ過フィルタ６１を介してフライ油を循環させるろ過配管６２と、ろ過配管６２に配設されたろ過ポンプ６３及びろ過配管開閉弁６４と、を有している。ろ過配管６２のノズルは、油槽１１に貯留されたフライ油の油面の上方に配設されている。 The filtration section 42 includes a filtration filter 61 that filters fried dregs from frying oil, a filtration pipe 62 that circulates the frying oil through the filtration filter 61, a filtration pump 63 and a filtration pipe opening/closing valve disposed in the filtration pipe 62. 64. The nozzle of the filtration pipe 62 is arranged above the oil level of the frying oil stored in the oil tank 11.

ろ過ポンプ６３は、ろ過フィルタ６１の上流側又は下流側に配設され、油槽１１に貯留されたフライ油をろ過フィルタ６１に送液すると共に、ろ過フィルタ６１を通過したフライ油を油槽１１に送液する送液ポンプである。ろ過配管開閉弁６４は、ろ過フィルタ６１の上流側に配設され、ろ過配管６２を開閉する電磁弁である。ろ過部４２では、ろ過配管開閉弁６４を開放しつつ、ろ過ポンプ６３を駆動することで、油槽１１に貯留されたフライ油を、ろ過フィルタ６１に送液し、ろ過フィルタ６１を通過させた後、油槽１１に送液する。これによって、フライ油から揚げカスをろ過するろ過処理を行う。なお、ろ過フィルタ６１に代えて、ろ過スクリーンを用いてもよい。また、ろ過部４２は、ろ過配管６２におけるろ過フィルタ６１の下流側に配設され、ろ過したフライ油を一時的に貯留するろ過用タンクを、更に有する構成であってもよい。 The filtration pump 63 is disposed upstream or downstream of the filtration filter 61 and sends the frying oil stored in the oil tank 11 to the filtration filter 61 and also sends the frying oil that has passed through the filtration filter 61 to the oil tank 11. It is a liquid pump that pumps liquid. The filtration pipe opening/closing valve 64 is a solenoid valve that is disposed upstream of the filtration filter 61 and opens and closes the filtration pipe 62. In the filtration section 42, by driving the filtration pump 63 while opening the filtration piping on-off valve 64, the frying oil stored in the oil tank 11 is sent to the filtration filter 61, and after passing through the filtration filter 61. , the liquid is sent to the oil tank 11. This performs a filtration process to filter fried residue from the frying oil. Note that a filtration screen may be used instead of the filtration filter 61. Moreover, the filtration part 42 may further include a filtration tank that is disposed on the downstream side of the filtration filter 61 in the filtration pipe 62 and temporarily stores the filtered frying oil.

また、第２実施形態のフライヤー１Ａにおける制御部１５は、ヒータ１２及び油補給部１３に加え、廃油部４１（の廃油配管開閉弁５２）及びろ過部４２（のろ過ポンプ６３及びろ過配管開閉弁６４）を制御すると共に、所定のプログラムを実行することで、油量判定部３１、フライ作業判定部３２及び油補給制御部３３に加え、劣化判定部７２、廃油制御部７３、揚げカス量判定部７４及びろ過制御部７５として機能する。廃油処理手段は、廃油部４１、劣化判定部７２及び廃油制御部７３によって構成され、ろ過処理手段は、ろ過部４２、揚げカス量判定部７４及びろ過制御部７５によって構成されている。 In addition to the heater 12 and the oil supply section 13, the control section 15 in the fryer 1A of the second embodiment includes a waste oil section 41 (waste oil piping opening/closing valve 52) and a filtration section 42 (a filtration pump 63 and a filtration piping opening/closing valve). 64) and by executing a predetermined program, in addition to the oil amount determination section 31, frying operation determination section 32, and oil replenishment control section 33, the deterioration determination section 72, waste oil control section 73, and frying waste amount determination It functions as a section 74 and a filtration control section 75. The waste oil processing means is composed of a waste oil section 41, a deterioration determination section 72, and a waste oil control section 73, and the filtration processing means is composed of a filtration section 42, a fried waste amount determination section 74, and a filtration control section 75.

劣化判定部７２は、撮像部１４の撮像結果を解析して、油槽１１に貯留されたフライ油の劣化指標が予め設定されている閾値（所定の閾値）以上であるか否かを判定する。具体的には、撮像部１４の撮像結果であるフライ油の油面の画像から、フライ油の劣化指標として、フライ油の色やフライ油の泡立ち量（揚げ物量に対するフライ油の泡立ち量等）を判定し、判定したフライ油の色やフライ油の泡立ち量が、所定の閾値（所定の色や泡立ち量）以上であるか否かを判定する。 The deterioration determination unit 72 analyzes the imaging result of the imaging unit 14 and determines whether the deterioration index of the frying oil stored in the oil tank 11 is equal to or greater than a preset threshold (predetermined threshold). Specifically, the color of the frying oil and the amount of foaming of the frying oil (the amount of foaming of the frying oil relative to the amount of fried food, etc.) are determined as indicators of deterioration of the frying oil from the image of the oil surface of the frying oil that is the imaging result of the imaging unit 14. is determined, and it is determined whether the determined color of the frying oil and the amount of foaming of the frying oil are greater than or equal to a predetermined threshold value (predetermined color and amount of foaming).

なお、本実施形態は、撮像部１４の撮像結果を解析して、劣化指標を取得し、これに基づいて劣化判定を行う構成であるが、フライ油に接触するセンサによって、フライ油の酸価やフライ油の粘度、フライ油の粘度上昇量、フライ油のアニシジン価、フライ油の極性化合物量、フライ油のカルボニル価、フライ油のヨウ素価、フライ油のトコフェロール含量等を判定し、これらを劣化指標として、劣化判定を行う構成であってもよい。また、フライ油から揮発した物質を検出するセンサによって、フライ油の揮発成分量や揮発成分組成を取得し、これらを劣化指標として、劣化判定を行う構成であってもよい。 Note that this embodiment is configured to analyze the imaging results of the imaging unit 14 to obtain a deterioration index, and to make a deterioration determination based on this. The viscosity of the frying oil, the increase in the viscosity of the frying oil, the anisidine value of the frying oil, the amount of polar compounds in the frying oil, the carbonyl value of the frying oil, the iodine value of the frying oil, the tocopherol content of the frying oil, etc. The configuration may be such that a deterioration determination is performed as a deterioration index. Alternatively, a configuration may be adopted in which the amount of volatile components and the volatile component composition of the frying oil are acquired by a sensor that detects substances volatilized from the frying oil, and the deterioration determination is performed using these as deterioration indicators.

また、ここでは、撮像部１４やセンサによって、劣化指標を直接取得する構成を例示したが、撮像部１４やセンサによって取得したデータに基づいてフライ油の劣化指標を推定し、推定した劣化指標に基づいて、劣化判定を行う構成であってもよい。かかる場合、撮像部１４やセンサによって取得した過去のデータとフライ油の劣化指標との相関関係データを予め記憶しておき、新たに取得したデータと当該相関関係データとに基づいて劣化指標を推定する。また、過去のデータと劣化指標との相関関係データから、データの閾値を設定し、新たに取得したデータが、設定した閾値以上であるか否かを判定して、劣化判定を行う構成であってもよい。なお、劣化判定で用いるフライ油の劣化指標は、例えば、フライ油の酸価、フライ油の色、フライ油の粘度、フライ油の粘度上昇量、フライ油のアニシジン価、フライ油の極性化合物量、フライ油のカルボニル価、フライ油のヨウ素価、フライ油の発煙点、フライ油の揮発成分量、フライ油の揮発成分組成、フライ油の風味、フライ油のトコフェロール含量及びフライ油の屈折率、フライ油の泡立ち量（揚げ物量に対するフライ油の泡立ち量等）の少なくとも１つである。また、フライ油の劣化指標は、例えば、フライ油で調理された揚げ物の風味や当該揚げ物の揮発成分量であってもよい。 In addition, although a configuration in which the deterioration index is directly acquired by the imaging unit 14 or the sensor is illustrated here, the deterioration index of the frying oil is estimated based on the data acquired by the imaging unit 14 or the sensor, and the deterioration index is applied to the estimated deterioration index. The configuration may be such that the deterioration determination is made based on the above. In such a case, correlation data between past data acquired by the imaging unit 14 or the sensor and the deterioration index of the frying oil is stored in advance, and the deterioration index is estimated based on the newly acquired data and the correlation data. do. In addition, the configuration is such that a data threshold is set based on correlation data between past data and a deterioration index, and deterioration is determined by determining whether newly acquired data is equal to or greater than the set threshold. It's okay. The deterioration indicators of frying oil used in the deterioration judgment include, for example, the acid value of the frying oil, the color of the frying oil, the viscosity of the frying oil, the amount of increase in the viscosity of the frying oil, the anisidine value of the frying oil, and the amount of polar compounds in the frying oil. , carbonyl value of frying oil, iodine value of frying oil, smoke point of frying oil, amount of volatile components of frying oil, volatile component composition of frying oil, flavor of frying oil, tocopherol content of frying oil, and refractive index of frying oil, It is at least one of the amount of foaming of frying oil (the amount of foaming of frying oil relative to the amount of fried food, etc.). Moreover, the deterioration index of frying oil may be, for example, the flavor of fried food cooked with frying oil or the amount of volatile components of the fried food.

また、操作パネルの操作結果から得られる調理作業記録、あるいは予め設定された調理スケジュール等に基づいて、フライ油の調理時間や調理履歴（調理した揚げ物の種類及び揚げ個数等）を取得し、フライ油の調理時間や調理履歴に基づいて、フライ油の劣化指標を推定する構成であってもよい。かかる場合には、フライ油の調理時間や調理履歴とフライ油の劣化指標との相関関係データを予め記憶しておき、取得したフライ油の調理時間や調理履歴と、当該相関関係データとに基づいて劣化指標を推定する。また、当該相関関係データから、フライ油の調理時間や調理履歴の閾値を設定し、新たに取得したフライ油の調理時間や調理履歴が、設定した閾値以上であるか否かを判定して、劣化判定を行う構成であってもよい。 Also, based on the cooking work record obtained from the operation results of the operation panel or the cooking schedule set in advance, the cooking time of the frying oil and the cooking history (type of fried food cooked, number of fried items, etc.) are acquired, and the The deterioration index of frying oil may be estimated based on the cooking time and cooking history of the oil. In such a case, correlation data between the cooking time and cooking history of the frying oil and the deterioration index of the frying oil is stored in advance, and the processing is performed based on the obtained cooking time and cooking history of the frying oil and the correlation data. and estimate the deterioration index. Also, from the correlation data, a threshold value for the cooking time and cooking history of the frying oil is set, and it is determined whether the newly acquired cooking time and cooking history of the frying oil are equal to or greater than the set threshold value, The configuration may be such that a deterioration determination is performed.

また、例えば、油槽１１に貯留されたフライ油のにおい、発煙点、油槽１１の内面の重合物の量、フライ油から揮発した分解物の蓄積量、フライ油から発生した音を検出し、その検出結果に基づいて、フライ油の劣化指標を推定する構成であってもよい。また、フライヤー１の消費電力やフライヤー１の消費ガス量等を取得し、これに基づいて、フライ油の劣化指標を推定する構成であってもよい。 In addition, for example, the smell of the frying oil stored in the oil tank 11, the smoke point, the amount of polymers on the inner surface of the oil tank 11, the accumulated amount of decomposition products volatilized from the frying oil, and the sound generated from the frying oil are detected. The configuration may be such that the deterioration index of the frying oil is estimated based on the detection result. Alternatively, the configuration may be such that the power consumption of the fryer 1, the amount of gas consumed by the fryer 1, etc. are acquired, and the deterioration index of the frying oil is estimated based on this.

廃油制御部７３は、劣化判定部７２の判定結果に基づき、廃油処理を行う。すなわち、劣化判定部７２によってフライ油の劣化指標が所定の閾値以上であると判定された場合、廃油部４１の廃油配管開閉弁５２を制御し、廃油部４１によって廃油処理を行う。なお、フライ油中に揚げカスがあると、廃油処理に不備が生じるため、廃油制御部７３は、廃油処理の前に、ろ過処理を行うことが好ましい。つまり、廃油制御部７３は、劣化判定部７２によってフライ油の劣化指標が閾値以上であると判定された場合、ろ過部４２のろ過ポンプ６３及びろ過配管開閉弁６４を制御して、ろ過処理を行った後、廃油部４１の廃油配管開閉弁５２を制御して、廃油処理を行うことが好ましい。なお、この場合、廃油部４１は、油槽１１に直接接続される構成ではなく、ろ過部４２のろ過フィルタ６１以降の配管あるいはろ過用タンクに接続される構成が好ましい。 The waste oil control section 73 performs waste oil processing based on the determination result of the deterioration determination section 72. That is, when the deterioration determination unit 72 determines that the deterioration index of the frying oil is equal to or higher than a predetermined threshold value, the waste oil piping opening/closing valve 52 of the waste oil unit 41 is controlled, and the waste oil unit 41 processes the waste oil. Note that if there are fried scum in the frying oil, there will be a problem in the waste oil treatment, so it is preferable that the waste oil control section 73 performs a filtration process before the waste oil treatment. That is, when the deterioration determination unit 72 determines that the deterioration index of the frying oil is equal to or higher than the threshold value, the waste oil control unit 73 controls the filtration pump 63 and the filtration pipe opening/closing valve 64 of the filtration unit 42 to perform the filtration process. After that, it is preferable to control the waste oil piping opening/closing valve 52 of the waste oil section 41 to process the waste oil. In this case, it is preferable that the waste oil section 41 is not connected directly to the oil tank 11 but is connected to a pipe after the filtration filter 61 of the filtration section 42 or a filtration tank.

揚げカス量判定部７４は、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上であるか否かを判定する。揚げカス量は、例えば、油槽１１下部に設置された撮像部（不図示）によって油槽１１の下部を撮影し、撮影画像から沈殿物量を算出する。あるいは、フライ油の調理時間や上記調理履歴を取得し、取得した調理時間や調理履歴に基づいて、揚げカス量を推定する方法等がある。揚げカス量の推定は、調理時間や調理履歴と揚げカス量との相関関係データを予め記憶しておき、この相関関係データを用いて、現在の調理時間や調理履歴に対する揚げカス量を推定する。なお、本実施形態においては、フライ油の調理時間や調理履歴に基づいて、フライ油中の揚げカス量を推定する構成を例示しているが、これに限るものではない。例えば、フライ作業を行った累計調理時間やフライヤー１の消費電力、フライヤー１の消費ガス量等を取得し、これに基づいて、フライ油中の揚げカス量を推定する構成であってもよい。 The fried dregs amount determination unit 74 determines whether the amount of fried dregs in the frying oil stored in the oil tank 11 is equal to or greater than a predetermined amount of fried dregs. The amount of fried dregs is determined by, for example, photographing the lower part of the oil tank 11 using an imaging unit (not shown) installed at the bottom of the oil tank 11, and calculating the amount of sediment from the photographed image. Alternatively, there is a method of acquiring the cooking time of frying oil and the cooking history, and estimating the amount of fried crumbs based on the acquired cooking time and cooking history. To estimate the amount of fried crumbs, the correlation data between the cooking time and cooking history and the amount of fried crumbs is stored in advance, and this correlation data is used to estimate the amount of fried crumbs for the current cooking time and cooking history. . In addition, in this embodiment, although the structure which estimates the amount of fried crumbs in frying oil based on the cooking time and cooking history of frying oil is illustrated, it is not limited to this. For example, the configuration may be such that the cumulative cooking time of the frying operation, the power consumption of the fryer 1, the amount of gas consumed by the fryer 1, etc. are acquired, and based on this, the amount of fried crumbs in the frying oil is estimated.

ろ過制御部７５は、揚げカス量判定部７４の判定結果に基づき、ろ過処理を行う。すなわち、揚げカス量判定部７４によってフライ油中の揚げカス量が所定の揚げカス量以上であると判定された場合、ろ過部４２のろ過ポンプ６３及びろ過配管開閉弁６４を制御し、ろ過部４２によってろ過処理を行う。 The filtration control section 75 performs a filtration process based on the determination result of the fried waste amount determination section 74. That is, when the amount of fried crumbs in the frying oil is determined by the fried dregs amount determining section 74 to be equal to or greater than a predetermined amount of fried dregs, the filtration pump 63 and the filtration pipe opening/closing valve 64 of the filtration section 42 are controlled, and the filtration section A filtration process is performed using 42.

（第２実施形態の油保守動作）
ここで図４を参照して、第２実施形態のフライヤー１Ａにおける油保守動作について説明する。本油保守動作は、第１実施形態と同様、一定時間毎（例えば、１秒毎）に行われる動作である。図４に示すように、第２実施形態の油保守動作では、制御部１５は、まず、油量判定部３１によって、現在の油槽１１の油量が第１油量以下であるか否かを判定する（Ｓ１１）（油量判定工程）。判定の結果、油槽１１の油量が第１油量以下でないと判定された場合（Ｓ１１：Ｎｏ）、本油保守動作を終了する。 (Oil maintenance operation of second embodiment)
Here, with reference to FIG. 4, the oil maintenance operation in the fryer 1A of the second embodiment will be described. The main oil maintenance operation is an operation performed at regular intervals (for example, every second), as in the first embodiment. As shown in FIG. 4, in the oil maintenance operation of the second embodiment, the control unit 15 first uses the oil amount determination unit 31 to determine whether the current oil amount in the oil tank 11 is less than or equal to the first oil amount. Determine (S11) (oil amount determination step). As a result of the determination, if it is determined that the oil amount in the oil tank 11 is not less than or equal to the first oil amount (S11: No), the main oil maintenance operation is ended.

一方、油槽１１の油量が第１油量以下であると判定された場合（Ｓ１１：Ｙｅｓ）、劣化判定部７２によって、現在の油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であるか否かを判定する（Ｓ１２）（劣化判定工程）。判定の結果、油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であると判定された場合（Ｓ１２：Ｙｅｓ）、廃油制御部７３によって廃油処理を行い（Ｓ１３）（廃油工程）、本油保守動作を終了する。 On the other hand, if it is determined that the oil amount in the oil tank 11 is less than or equal to the first oil amount (S11: Yes), the deterioration determination unit 72 determines that the current deterioration index of the frying oil stored in the oil tank 11 is equal to or higher than a predetermined threshold. (S12) (deterioration determination step). As a result of the determination, if it is determined that the deterioration index of the frying oil stored in the oil tank 11 is equal to or higher than a predetermined threshold (S12: Yes), the waste oil control unit 73 processes the waste oil (S13) (waste oil process), Finish the main oil maintenance operation.

一方、油槽１１に貯留されたフライ油の劣化指標が所定の閾値未満であると判定された場合（Ｓ１２：Ｎｏ）、揚げカス量判定部７４によって、現在の油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上であるか否かを判定する（Ｓ１４）（揚げカス量判定工程）。判定の結果、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上である場合（Ｓ１４：Ｙｅｓ）、ろ過制御部７５によってろ過処理を行い（Ｓ１５）（ろ過工程）、本油保守動作を終了する。 On the other hand, if it is determined that the deterioration index of the frying oil stored in the oil tank 11 is less than the predetermined threshold value (S12: No), the frying residue amount determination unit 74 determines that the amount of frying oil currently stored in the oil tank 11 is It is determined whether the amount of fried dregs is equal to or greater than a predetermined amount of fried dregs (S14) (fried dregs amount determination step). As a result of the determination, if the amount of fried crumbs in the frying oil stored in the oil tank 11 is equal to or greater than the predetermined amount of fried crumbs (S14: Yes), a filtration process is performed by the filtration control unit 75 (S15) (filtration step), Finish the main oil maintenance operation.

一方、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量未満である場合（Ｓ１４：Ｎｏ）、フライ作業判定部３２によって、現在、油槽１１によるフライ作業中であるか否かを判定する（Ｓ１６）（フライ作業判定工程）。例えば、撮像部１４による撮像結果を解析して、油槽１１によるフライ作業中であるか否かを判定する。判定の結果、油槽１１によるフライ作業中であると判定された場合（Ｓ１６：Ｙｅｓ）、油補給処理を行わずに、本油保守動作を終了する。 On the other hand, if the amount of fried crumbs in the frying oil stored in the oil tank 11 is less than the predetermined amount of fried crumbs (S14: No), the frying operation determination unit 32 determines whether or not the frying operation using the oil tank 11 is currently in progress. (S16) (frying operation determination step). For example, the image capturing result by the image capturing unit 14 is analyzed to determine whether or not the frying operation using the oil tank 11 is in progress. As a result of the determination, if it is determined that the frying operation is in progress using the oil tank 11 (S16: Yes), the main oil maintenance operation is ended without performing the oil replenishment process.

一方、油槽１１によるフライ作業中でないと判定された場合（Ｓ１６：Ｎｏ）、油補給制御部３３によって、油補給処理を行う（Ｓ１７）（油補給工程）。すなわち、油槽１１の油量が第２油量になるまで、油槽１１にフライ油を補給する。これにより、本油保守動作を終了する。このように、油補給処理に加え、廃油処理及びろ過処理が自動的に行われる。廃油処理が行われた場合、油槽１１に貯留されたフライ油が第１油量以下となるため、油補給処理が自動的に行われるので、本油保守動作において、フライ油の交換処理が自動的に行われる。 On the other hand, if it is determined that the frying operation using the oil tank 11 is not in progress (S16: No), the oil replenishment control section 33 performs an oil replenishment process (S17) (oil replenishment process). That is, frying oil is supplied to the oil tank 11 until the oil amount in the oil tank 11 reaches the second oil amount. This completes the main oil maintenance operation. In this way, in addition to oil replenishment processing, waste oil processing and filtration processing are automatically performed. When the waste oil treatment is performed, the frying oil stored in the oil tank 11 becomes less than the first oil amount, so the oil replenishment process is automatically performed, so the frying oil replacement process is automatically performed in the main oil maintenance operation. It is carried out according to

（実施形態の作用及び効果）
以上、上記各実施形態の構成によれば、油槽１１の油量が第１油量以下であると判定された場合において、フライ作業中ではないと判定されたときのみ、油補給処理を行うため、フライ作業中に油補給処理が行われてしまうのを防止することができる。そのため、油補給処理に伴って跳ねたフライ油が作業者の腕や顔に付着してしまう事態や、油補給処理に伴ってフライ油の温度が低下することで揚げ物の調理精度が低下してしまう事態を避けることができ、フライ作業中に油補給処理が行われることによる不備を抑制することができる。 (Actions and effects of embodiments)
As described above, according to the configuration of each of the embodiments described above, the oil replenishment process is performed only when it is determined that the oil amount in the oil tank 11 is less than or equal to the first oil amount and it is determined that the frying operation is not in progress. , it is possible to prevent the oil replenishment process from being performed during the frying operation. As a result, the frying oil splashed during the oil replenishment process may adhere to the workers' arms and faces, and the temperature of the frying oil decreases during the oil replenishment process, resulting in a decrease in the accuracy of frying. It is possible to avoid a situation in which the food is left unused, and it is possible to suppress defects caused by oil replenishment processing being performed during frying work.

また、上記各実施形態の構成によれば、撮像部１４の撮像結果を解析して、油槽１１の油量の判定と、フライ作業中であるか否かの判定とを行う構成であるため、当該各判定を行うのに別々の検出手段を設ける必要がなく、これらの当該各判定を簡単な構成で行うことができる。なお、フライヤー１が、撮像部１４に代えて、油槽１１に貯留されたフライ油の重量を検出する重量センサを備え、重量センサの検出結果を解析して、油槽１１の油量の判定と、フライ作業中であるか否かの判定と、を行う構成であってもよい。 Further, according to the configuration of each of the above embodiments, the image capturing result of the image capturing unit 14 is analyzed to determine the amount of oil in the oil tank 11 and whether or not frying is in progress. There is no need to provide separate detection means to perform each of these determinations, and each of these determinations can be performed with a simple configuration. Note that the fryer 1 is equipped with a weight sensor that detects the weight of the frying oil stored in the oil tank 11 instead of the imaging unit 14, and analyzes the detection result of the weight sensor to determine the amount of oil in the oil tank 11. It may be configured to determine whether or not the frying operation is in progress.

また、上記第２実施形態の構成によれば、油補給部１３、油量判定部３１及び油補給制御部３３に加え、廃油部４１、劣化判定部７２、廃油制御部７３を備えたことで、フライ油の交換処理を自動的に行うことができる。 Further, according to the configuration of the second embodiment, in addition to the oil replenishment section 13, the oil amount determination section 31, and the oil replenishment control section 33, the waste oil section 41, the deterioration determination section 72, and the waste oil control section 73 are provided. , the frying oil replacement process can be performed automatically.

また、上記第２実施形態の構成によれば、ろ過部４２、揚げカス量判定部７４、ろ過制御部７５を備えたことで、フライ油のろ過処理を自動的に行うことができる。 Moreover, according to the structure of the said 2nd Embodiment, the filtering process of frying oil can be automatically performed by providing the filtration part 42, the fried waste amount determination part 74, and the filtration control part 75.

（その他の実施形態について）
以上、本発明の実施形態を説明したが、上記した実施形態は特許請求の範囲に係る発明を限定するものではない。また、実施形態の中で説明した特徴の組合せの全てが発明の課題を解決するための手段に必須であるとは限らない点に留意すべきである。本発明は、その趣旨を逸脱しない範囲で適宜変形して実施することが可能である。 (About other embodiments)
Although the embodiments of the present invention have been described above, the embodiments described above do not limit the invention according to the claims. Furthermore, it should be noted that not all combinations of features described in the embodiments are essential for solving the problems of the invention. The present invention can be modified and implemented as appropriate without departing from the spirit thereof.

例えば、上記第１実施形態において、フライヤー１が、油量判定部３１の判定情報、フライ作業判定部３２の判定情報、油補給制御部３３の油補給処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有する構成であってもよい。また、上記第２実施形態において、フライヤー１Ａが、油量判定部３１の判定情報、フライ作業判定部３２の判定情報、劣化判定部７２の判定情報、揚げカス量判定部７４の判定情報、油補給制御部３３の油補給処理情報、廃油制御部７３の廃棄処理情報、ろ過制御部７５のろ過処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有する構成であってもよい。かかる場合、外部出力された情報を分析することで、フライ油の使用状況が解析され、最適な調理スケジュール、最適なフライ油等を設定することができる。また、複数のフライヤー１、１Ａの情報を比較し、異常値のあるフライヤー１、１Ａを保守点検することができる。なお、ここにいう「外部出力」とは、上記各情報を他の情報端末に送信することはもちろん、作業者への報知（表示や音声出力等）を含む概念である。なお、外部出力部が、油量判定部３１の判定情報、フライ作業判定部３２の判定情報、劣化判定部７２の判定情報、油補給制御部３３の油補給処理情報、廃油制御部７３の廃棄処理情報から選ばれる１種又は２種以上の情報を外部出力する構成であってもよいし、外部出力部が、油量判定部３１の判定情報、フライ作業判定部３２の判定情報、揚げカス量判定部７４の判定情報、油補給制御部３３の油補給処理情報、ろ過制御部７５のろ過処理情報から選ばれる１種又は２種以上の情報を外部出力する構成であってもよい。 For example, in the first embodiment, the fryer 1 is configured to use one or more types selected from the determination information of the oil amount determination section 31, the determination information of the frying operation determination section 32, and the oil replenishment processing information of the oil replenishment control section 33. The configuration may further include an external output unit that outputs the information to the outside. Further, in the second embodiment, the fryer 1A includes determination information of the oil amount determination section 31, determination information of the frying operation determination section 32, determination information of the deterioration determination section 72, determination information of the fried waste amount determination section 74, The configuration further includes an external output section that outputs one or more types of information selected from oil replenishment processing information of the replenishment control section 33, waste processing information of the waste oil control section 73, and filtration processing information of the filtration control section 75. It may be. In such a case, by analyzing the externally outputted information, the usage status of frying oil can be analyzed, and an optimal cooking schedule, optimal frying oil, etc. can be set. Furthermore, information on a plurality of fryers 1 and 1A can be compared, and fryers 1 and 1A with abnormal values can be maintained and inspected. Note that the term "external output" as used herein is a concept that includes not only transmitting the above-mentioned information to other information terminals but also notifying the worker (by display, audio output, etc.). Note that the external output section outputs determination information of the oil amount determination section 31, determination information of the frying operation determination section 32, determination information of the deterioration determination section 72, oil replenishment processing information of the oil replenishment control section 33, and disposal information of the waste oil control section 73. It may be configured to externally output one or more types of information selected from the processing information, or the external output section may output judgment information of the oil amount judgment section 31, judgment information of the frying operation judgment section 32, and fried scraps. One or more types of information selected from the determination information of the amount determining section 74, the oil replenishment processing information of the oil replenishment control section 33, and the filtration processing information of the filtration control section 75 may be output to the outside.

また、上記各実施形態においては、撮像部１４の撮像結果を解析して、油槽１１の油量を判定する構成であったが、これに限るものではない。例えば、フライヤー１、１Ａが、上記重量センサを備え、重量センサの検出結果を解析して、油槽１１の油量を判定する構成であってもよい。また、フロートを用いて油面レベルを計測する油面レベル計測器を備え、当該油面レベル計測器の計測結果を解析して油槽１１の油量を判定する構成であってもよいし、レーザー電波（マイクロ波）や超音波等によって油面レベルを検出する油面センサを備え、当該油面センサの検出結果を解析して油槽１１の油量を判定する構成であってもよい。 Further, in each of the embodiments described above, the image capturing result of the image capturing unit 14 is analyzed to determine the oil amount in the oil tank 11, but the present invention is not limited to this. For example, the fryer 1, 1A may be configured to include the weight sensor described above, and determine the amount of oil in the oil tank 11 by analyzing the detection result of the weight sensor. Alternatively, the configuration may be such that an oil level measuring device that measures the oil level using a float is provided, and the measurement results of the oil level measuring device are analyzed to determine the oil amount in the oil tank 11. The configuration may include an oil level sensor that detects the oil level using radio waves (microwaves), ultrasonic waves, or the like, and determines the amount of oil in the oil tank 11 by analyzing the detection results of the oil level sensor.

また、上記各実施形態においては、撮像部１４の撮像結果を解析して、油槽１１によるフライ作業中であるか否かを判定する構成であったが、これに限るものではない。例えば、フライヤー１、１Ａが、上記重量センサを備え、重量センサの検出結果を解析して、油槽１１によるフライ作業中であるか否かを判定する構成であってもよい。また、油槽１１に貯留されたフライ油の音を検出する音センサを備え、音センサの検出結果を解析して、油槽１１によるフライ作業中であるか否かを判定する構成であってもよい。また、油槽１１やフライ油の振動を検出する振動センサを備え、振動センサの検出結果を解析して、油槽１１によるフライ作業中であるか否かを判定する構成であってもよい。また、操作パネルの操作結果に基づいて、油槽１１によるフライ作業中であるか否かを判定する構成であってもよい。また、調理スケジュールに基づいて、油槽１１によるフライ作業中であるか否かを判定する構成であってもよい。 Further, in each of the embodiments described above, the image capturing result of the image capturing unit 14 is analyzed to determine whether or not the frying operation using the oil tank 11 is in progress, but the present invention is not limited to this. For example, the fryers 1 and 1A may be provided with the above-mentioned weight sensor and may be configured to analyze the detection result of the weight sensor to determine whether or not the frying operation using the oil tank 11 is in progress. Further, it may be configured to include a sound sensor that detects the sound of frying oil stored in the oil tank 11, and to analyze the detection result of the sound sensor to determine whether or not the frying operation using the oil tank 11 is in progress. . Alternatively, a configuration may be adopted in which a vibration sensor that detects vibrations of the oil tank 11 and frying oil is provided, and the detection results of the vibration sensor are analyzed to determine whether or not frying operation using the oil tank 11 is in progress. Alternatively, a configuration may be adopted in which it is determined whether or not the frying operation using the oil tank 11 is in progress based on the operation result of the operation panel. Alternatively, a configuration may be adopted in which it is determined whether or not the frying operation using the oil tank 11 is in progress based on the cooking schedule.

また、上記各実施形態においては、フライヤー１、１Ａが、油槽１１を１つのみ備える構成であったが、これに限るものではない。すなわち、フライヤー１、１Ａが、油槽１１を複数備える構成であってもよい。 Further, in each of the above embodiments, the fryers 1 and 1A are configured to include only one oil tank 11, but the invention is not limited to this. That is, the fryer 1, 1A may be configured to include a plurality of oil tanks 11.

また、上記第１実施形態においては、油量の判定（Ｓ１）を行った後、フライ作業中であるか否かの判定（Ｓ２）を行う構成であったが、フライ作業中であるか否かの判定を行った後、油量の判定を行う構成であってもよい。かかる場合、フライ作業中でないと判定された場合のみ、油量の判定を行う構成となる。 Further, in the first embodiment, after determining the amount of oil (S1), it is determined whether or not frying is in progress (S2), but whether or not frying is in progress is performed. After making this determination, the oil amount may be determined. In such a case, the oil amount is determined only when it is determined that the frying operation is not in progress.

また、上記第２実施形態においては、一定時間毎（例えば、１秒毎）に行われる油保守動作において、油量の判定（Ｓ１１）を行った後、フライ作業中であるか否かの判定（Ｓ１６）を行い、油量の判定（Ｓ１１）とフライ作業中であるか否かの判定（Ｓ１６）との間で、フライ油の劣化判定（Ｓ１２）及び揚げカス量の判定（Ｓ１４）を行う構成であったが、各判定の順番は、これに限るものではない。例えば、図５に示すように、一定時間毎（例えば、１秒毎）に行われる油保守動作において、フライ作業中であるか否かの判定（Ｓ１６）を行った後、油量の判定（Ｓ１１）を行い、フライ作業中であるか否かの判定（Ｓ１６）と油量の判定（Ｓ１１）との間で、フライ油の劣化判定（Ｓ１２）及び揚げカス量の判定（Ｓ１４）を行う構成であってもよい。かかる場合、油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であると判定され、かつ、油槽１１によるフライ作業中でないと判定された場合、廃油制御部７３によって廃油処理を行う構成となる。これにより、フライ作業中に廃油処理が行われるのを防止することができ、フライ作業中に油槽１１に貯留されたフライ油の油面レベルが変動する事態や、揚げ物が廃油配管５１に詰まってしまう事態を避けることができる。また、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上であると判定され、かつ、油槽１１によるフライ作業中でないと判定された場合、ろ過制御部７５によってろ過処理を行う構成となる。これにより、フライ作業中にろ過処理が行われるのを防止することができ、フライ作業中にろ過処理が行われることで生じる不備を抑制することができる。 In addition, in the second embodiment, in the oil maintenance operation that is performed at regular intervals (for example, every second), after the oil amount is determined (S11), it is determined whether or not the frying operation is in progress. (S16), and between the determination of oil amount (S11) and the determination of whether frying is in progress (S16), determination of deterioration of frying oil (S12) and determination of amount of fried scraps (S14) are performed. However, the order of each determination is not limited to this. For example, as shown in FIG. 5, in an oil maintenance operation that is performed at regular intervals (for example, every second), it is determined whether or not frying is in progress (S16), and then the oil amount is determined (S16). S11) is performed, and between the determination of whether or not frying is in progress (S16) and the determination of the amount of oil (S11), a determination of deterioration of the frying oil (S12) and a determination of the amount of fried scraps (S14) are performed. It may be a configuration. In such a case, if it is determined that the deterioration index of the frying oil stored in the oil tank 11 is equal to or higher than a predetermined threshold value, and it is determined that the oil tank 11 is not in the frying operation, the waste oil control unit 73 processes the waste oil. becomes. This can prevent the waste oil from being disposed of during the frying operation, and may prevent the oil level of the frying oil stored in the oil tank 11 from fluctuating during the frying operation or from clogging the waste oil pipe 51 with fried foods. You can avoid situations where you get stuck. Further, if it is determined that the amount of fried crumbs in the frying oil stored in the oil tank 11 is equal to or greater than a predetermined amount of fried crumbs, and it is determined that the frying operation by the oil tank 11 is not in progress, the filtration control unit 75 performs the filtration process. It is configured to do this. Thereby, it is possible to prevent the filtration process from being performed during the frying operation, and it is possible to suppress defects that may occur due to the filtration process being performed during the frying operation.

また、例えば、図６に示すように、一定時間毎（例えば、１秒毎）に行われる油保守動作において、フライ作業中であるか否かの判定（Ｓ１６）を、フライ油の劣化判定（Ｓ１２）、揚げカス量の判定（Ｓ１４）、油量の判定（Ｓ１１）の後にそれぞれ行う構成であってもよい。すなわち、油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であると判定された場合（Ｓ１２：Ｙｅｓ）、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上であると判定された場合（Ｓ１４：Ｙｅｓ）、及び、油槽１１の油量が第１油量以下であると判定された場合（Ｓ１１：Ｙｅｓ）に、油槽１１によるフライ作業中であるか否かを判定する（Ｓ１６）。そして、判定の結果、油槽１１によるフライ作業中でないと判定された場合（Ｓ１６：Ｎｏ）、各処理を行う。かかる場合、図５の油保守動作と同様、油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であると判定され、かつ、油槽１１によるフライ作業中でないと判定された場合、廃油処理を行い、油槽１１に貯留されたフライ油中の揚げカス量が所定の揚げカス量以上であると判定され、かつ、油槽１１によるフライ作業中でないと判定された場合、ろ過処理を行う構成となる。そのため、フライ作業中に廃油処理やろ過処理が行われることで生じる不備を抑制することができる。 For example, as shown in FIG. 6, in the oil maintenance operation that is performed at regular intervals (for example, every second), the determination (S16) as to whether or not frying work is in progress may be changed to the determination of the deterioration of the frying oil (S16). S12), the determination of the amount of fried scraps (S14), and the determination of the amount of oil (S11) may be performed. That is, when it is determined that the deterioration index of the frying oil stored in the oil tank 11 is equal to or higher than the predetermined threshold (S12: Yes), the amount of fried crumbs in the frying oil stored in the oil tank 11 is equal to the predetermined amount of fried crumbs. If it is determined that the amount of oil is above (S14: Yes), and if it is determined that the amount of oil in the oil tank 11 is less than or equal to the first oil amount (S11: Yes), whether the frying operation using the oil tank 11 is in progress or not. It is determined whether or not (S16). Then, as a result of the determination, if it is determined that the frying operation using the oil tank 11 is not in progress (S16: No), each process is performed. In such a case, similar to the oil maintenance operation shown in FIG. A configuration that performs a filtration process when it is determined that the amount of fried crumbs in the frying oil stored in the oil tank 11 is equal to or more than a predetermined amount of fried crumbs and that the frying operation by the oil tank 11 is not in progress. becomes. Therefore, it is possible to suppress defects that occur due to waste oil treatment and filtration treatment being performed during the frying operation.

また、図６に記載された油保守動作において、図７に示すように、油槽１１に貯留されたフライ油の劣化指標が所定の閾値以上であると判定され（Ｓ１２：Ｙｅｓ）、かつ、油槽１１によるフライ作業中であると判定された場合（Ｓ１６：Ｙｅｓ）、フライ作業終了処理（Ｓ２１）を行った後、廃油処理（Ｓ１３）を行う構成であってもよい。フライ作業終了処理は、例えば、作業者に対しフライ作業の終了を報知すると共に、ヒータ１２を停止することで、作業者によるフライ作業を終了させる処理である。 In addition, in the oil maintenance operation described in FIG. 6, as shown in FIG. If it is determined that the frying operation according to No. 11 is in progress (S16: Yes), a configuration may be adopted in which the waste oil treatment (S13) is performed after the frying operation completion process (S21) is performed. The frying work completion process is, for example, a process of notifying the worker of the end of the frying work and stopping the heater 12, thereby causing the worker to finish the frying work.

なお、油補給処理を行った後に、廃油処理やろ過処理を行うと、油補給処理によって油槽１１に新たに補給されたフライ油が失われてしまうため、図４乃至図７に記載の油保守動作のように、油補給処理（Ｓ１７）の前に、フライ油の劣化判定（Ｓ１２）や揚げカス量の判定（Ｓ１４）を行うことが好ましい。 Note that if waste oil processing or filtration processing is performed after oil replenishment processing, the frying oil newly replenished into the oil tank 11 due to oil replenishment processing will be lost, so the oil maintenance shown in Figs. As in the operation, it is preferable to determine the deterioration of the frying oil (S12) and the amount of fried scraps (S14) before the oil replenishment process (S17).

また、制御部１５、油量判定部３１、フライ作業判定部３２、油補給制御部３３、劣化判定部７２、廃油制御部７３、揚げカス量判定部７４及びろ過制御部７５の全部又は一部は、フライヤー１、１Ａに備えられたものである必要はなく、これらの全部又は一部は、フライヤー１、１Ａの外部に備えられたものであってもよい。これら制御部１５、油量判定部３１、フライ作業判定部３２、油補給制御部３３、劣化判定部７２、廃油制御部７３、揚げカス量判定部７４及びろ過制御部７５の全部又は一部が外部に備えられたものである場合、有線、無線、及び／又はネットワークを通じで単一のフライヤー１、１Ａ又は複数のフライヤー１、１Ａと接続されている。これらの制御部１５、油量判定部３１、フライ作業判定部３２、油補給制御部３３、劣化判定部７２、廃油制御部７３、揚げカス量判定部７４及びろ過制御部７５の全部又は一部は、複数のフライヤー１、１Ａに接続され、複数のフライヤー１、１Ａを制御することもできる。その場合、複数のフライヤー１、１Ａの状態を比較し、異常が見いだされた場合、警報を出すことができる。 In addition, all or part of the control section 15, oil amount determination section 31, frying operation determination section 32, oil replenishment control section 33, deterioration determination section 72, waste oil control section 73, fried waste amount determination section 74, and filtration control section 75 are not necessarily provided in the fryer 1, 1A, and all or part of these may be provided outside the fryer 1, 1A. All or part of these control section 15, oil amount determination section 31, frying operation determination section 32, oil replenishment control section 33, deterioration determination section 72, waste oil control section 73, fried dregs amount determination section 74, and filtration control section 75 If it is provided externally, it is connected to a single fryer 1, 1A or to a plurality of fryers 1, 1A through wires, wirelessly, and/or a network. All or part of these control section 15, oil amount determination section 31, frying operation determination section 32, oil replenishment control section 33, deterioration determination section 72, waste oil control section 73, fried waste amount determination section 74, and filtration control section 75 is connected to a plurality of fryers 1, 1A, and can also control a plurality of fryers 1, 1A. In that case, the states of the plurality of fryers 1 and 1A can be compared, and if an abnormality is found, an alarm can be issued.

（実施形態のまとめ）
次に、以上説明した実施形態から把握される技術思想について、実施形態における符号等を援用して記載する。ただし、以下の記載における各符号等は、請求の範囲における構成要素を実施形態に具体的に示した部材等に限定するものではない。 (Summary of embodiments)
Next, technical ideas understood from the embodiments described above will be described using reference numerals and the like in the embodiments. However, each reference numeral in the following description does not limit the constituent elements in the scope of the claims to those specifically shown in the embodiments.

《１》フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽（１１）と、油補給処理手段（１３、３１、３２、３３）と、を有し、前記油補給処理手段（１３、３１、３２、３３）は、前記油槽（１１）に前記フライ油を補給する油補給処理を行う油補給部（１３）と、前記油補給部（１３）を制御する油補給制御部（３３）と、前記油槽（１１）に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定部（３１）と、前記油槽（１１）による前記フライ作業中であるか否かを判定するフライ作業判定部（３２）と、を備え、前記油補給制御部（３３）は、前記油量判定部（３１）によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記油補給部（１３）によって前記油補給処理を行うことを特徴とする、フライヤー（１、１Ａ）。
《２》廃油処理手段（４１、７２、７３）を、更に有し、廃油処理手段（４１、７２、７３）は、前記油槽（１１）に貯留された前記フライ油を廃棄する廃油処理を行う廃油部（４１）と、前記廃油部（４１）を制御する廃油制御部（７３）と、前記油槽（１１）に貯留された前記フライ油の劣化指標が所定の閾値以上であるか否かを判定する劣化判定部（７２）と、を備え、前記廃油制御部（７３）は、前記劣化判定部（７２）によって前記劣化指標が前記所定の閾値以上であると判定された場合、前記廃油部（４１）によって前記廃油処理を行うことを特徴とする、《１》に記載のフライヤー（１Ａ）。
《３》前記廃油制御部（７３）は、前記劣化判定部（７２）によって前記劣化指標が前記所定の閾値以上であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記廃油部（４１）によって前記廃油処理を行うことを特徴とする、《２》に記載のフライヤー（１Ａ）。
《４》ろ過処理手段（４２、７４、７５）を、更に有し、ろ過処理手段（４２、７４、７５）は、前記油槽（１１）に貯留された前記フライ油をろ過するろ過処理を行うろ過部（４２）と、前記ろ過部（４２）を制御するろ過制御部（７５）と、前記油槽（１１）に貯留された前記フライ油中の揚げカス量が所定の揚げカス量以上であるか否かを判定する揚げカス量判定部（７４）と、を備え、前記ろ過制御部（７５）は、前記揚げカス量判定部（７４）によって前記揚げカス量が前記所定の揚げカス量以上であると判定された場合、前記ろ過部（４２）によって前記ろ過処理を行うことを特徴とする、《１》乃至《３》のいずれか１つに記載のフライヤー（１Ａ）。
《５》前記ろ過制御部（７５）は、前記揚げカス量判定部（７４）によって前記揚げカス量が前記所定の揚げカス量以上であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記ろ過部（４２）によって前記ろ過処理を行うことを特徴とする、《４》に記載のフライヤー（１Ａ）。
《６》前記油量判定部（３１）の判定情報、前記フライ作業判定部（３２）の判定情報、前記油補給制御部（３３）の油補給処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、《１》乃至《５》のいずれか１つに記載のフライヤー（１、１Ａ）。
《７》前記油量判定部（３１）の判定情報、前記フライ作業判定部（３２）の判定情報、前記劣化判定部（７２）の判定情報、前記油補給制御部（３３）の油補給処理情報、前記廃油制御部（７３）の廃棄処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、《２》又は《３》に記載のフライヤー（１Ａ）。
《８》前記油量判定部（３１）の判定情報、前記フライ作業判定部（３２）の判定情報、前記揚げカス量判定部（７４）の判定情報、前記油補給制御部（３３）の油補給処理情報、前記ろ過制御部（７５）のろ過処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、《４》又は《５》に記載のフライヤー（１Ａ）。
《９》フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽（１１）と、前記油槽（１１）に前記フライ油を補給する油補給処理を行う油補給部（１３）と、前記油補給部（１３）を制御する制御部（１５）と、前記油槽（１１）に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定部（３１）と、前記油槽（１１）による前記フライ作業中であるか否かを判定するフライ作業判定部（３２）と、を備え、前記制御部（１５）は、前記油量判定部（３１）によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記油補給部（１３）によって前記油補給処理を行うことを特徴とするフライヤー（１、１Ａ）。
《１０》前記油槽（１１）に貯留された前記フライ油を廃棄する廃油処理を行う廃油部（４１）と、前記油槽（１１）に貯留された前記フライ油の劣化指標が所定の閾値以上であるか否かを判定する劣化判定部（７２）と、を更に備え、前記制御部（１５）は、前記廃油部（４１）を制御し、前記劣化判定部（７２）によって前記劣化指標が前記所定の閾値以上であると判定された場合、前記廃油部（４１）によって前記廃油処理を行うことを特徴とする《９》に記載のフライヤー（１Ａ）。
《１１》前記制御部（１５）は、前記劣化判定部（７２）によって前記劣化指標が前記所定の閾値以上であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記廃油部（４１）によって前記廃油処理を行うことを特徴とする《１０》に記載のフライヤー（１Ａ）。
《１２》前記油槽（１１）に貯留された前記フライ油をろ過するろ過処理を行うろ過部（４２）と、前記油槽（１１）に貯留された前記フライ油中の揚げカス量が所定の揚げカス量以上であるか否かを判定する揚げカス量判定部（７４）と、を更に備え、前記制御部（１５）は、前記ろ過部（４２）を制御し、前記揚げカス量判定部（７４）によって前記揚げカス量が前記所定の揚げカス量以上であると判定された場合、前記ろ過部（４２）によって前記ろ過処理を行うことを特徴とする《９》乃至《１１》のいずれか１つに記載のフライヤー（１Ａ）。
《１３》前記制御部（１５）は、前記揚げカス量判定部（７４）によって前記揚げカス量が前記所定の揚げカス量以上であると判定され、かつ、前記フライ作業判定部（３２）によって前記フライ作業中でないと判定された場合、前記ろ過部（４２）によって前記ろ過処理を行うことを特徴とする《１２》に記載のフライヤー（１Ａ）。
《１４》フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽（１１）と、前記油槽（１１）に前記フライ油を補給する油補給処理を行う油補給部（１３）と、を備えたフライヤー（１、１Ａ）の制御方法であって、前記油槽（１１）に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定工程（Ｓ１）と、前記油槽（１１）による前記フライ作業中であるか否かを判定するフライ作業判定工程（Ｓ２）と、前記油量判定工程（Ｓ１）によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定工程（Ｓ２）によって前記フライ作業中でないと判定された場合、前記油補給部（１３）によって前記油補給処理を行う油補給工程（Ｓ３）と、を実行することを特徴とする、フライヤー（１、１Ａ）の制御方法。
《１５》前記フライ油の油量は、前記フライ油の重量又は前記フライ油の油面レベルであることを特徴とする、《１４》に記載のフライヤー（１、１Ａ）の制御方法。 <<1>> It has an oil tank (11) that stores frying oil and performs frying operations by immersing fried foods in the frying oil, and oil replenishment processing means (13, 31, 32, 33), The processing means (13, 31, 32, 33) includes an oil replenishment section (13) that performs an oil replenishment process for replenishing the oil tank (11) with the frying oil, and an oil replenishment section that controls the oil replenishment section (13). a control section (33); an oil amount determination section (31) that determines whether the amount of the frying oil stored in the oil tank (11) is less than or equal to a predetermined oil amount; and the oil tank (11). a frying operation determining section (32) for determining whether or not the frying operation is in progress; If it is determined that the amount of oil is less than or equal to the amount of oil, and the frying operation determination section (32) determines that the frying operation is not in progress, the oil replenishment process is performed by the oil replenishment section (13). Fryer (1, 1A).
<<2>> It further comprises waste oil processing means (41, 72, 73), and the waste oil processing means (41, 72, 73) performs waste oil processing to discard the frying oil stored in the oil tank (11). A waste oil section (41), a waste oil control section (73) that controls the waste oil section (41), and a waste oil control section (73) that controls whether the deterioration index of the frying oil stored in the oil tank (11) is greater than or equal to a predetermined threshold value. a deterioration determination section (72) for determining, and the waste oil control section (73) is configured to control the waste oil section when the deterioration determination section (72) determines that the deterioration index is equal to or greater than the predetermined threshold value. The fryer (1A) according to <1>, characterized in that the waste oil treatment is performed according to (41).
<<3>> The waste oil control unit (73) determines that the deterioration index is equal to or greater than the predetermined threshold value by the deterioration determination unit (72), and that the frying operation determination unit (32) determines that the The fryer (1A) according to <<2>>, wherein if it is determined that the waste oil is not a waste oil, the waste oil treatment is performed by the waste oil section (41).
<<4>> It further includes a filtration processing means (42, 74, 75), and the filtration processing means (42, 74, 75) performs a filtration processing of filtering the frying oil stored in the oil tank (11). A filtration unit (42), a filtration control unit (75) that controls the filtration unit (42), and an amount of fried crumbs in the frying oil stored in the oil tank (11) is equal to or greater than a predetermined amount of fried crumbs. a fried scraps amount determination unit (74) for determining whether the fried scraps amount is equal to or greater than the predetermined fried scraps amount by the fried scraps amount determination unit (74); The fryer (1A) according to any one of <1> to <3>, wherein the filtration process is performed by the filtration section (42) when it is determined that the filtration process is performed.
<<5>> The filtration control unit (75) is configured so that the amount of fried dregs is determined by the fried dregs amount determining unit (74) to be equal to or greater than the predetermined amount of fried dregs, and the frying operation determination unit (32) The fryer (1A) according to <4>, wherein when it is determined that the frying operation is not in progress, the filtration process is performed by the filtration section (42).
<<6>> One or more types selected from the judgment information of the oil amount judgment section (31), the judgment information of the frying operation judgment section (32), and the oil replenishment processing information of the oil replenishment control section (33). The flyer (1, 1A) according to any one of <<1>> to <<5>>, further comprising an external output section that outputs information to the outside.
<<7>> Judgment information of the oil amount judgment section (31), judgment information of the frying operation judgment section (32), judgment information of the deterioration judgment section (72), oil replenishment process of the oil replenishment control section (33) as described in <<2>> or <<3>>, further comprising an external output unit for externally outputting one or more types of information selected from information and waste processing information of the waste oil control unit (73). flyer (1A).
<<8>> Judgment information of the oil amount judgment section (31), judgment information of the frying operation judgment section (32), judgment information of the fried waste amount judgment section (74), oil of the oil replenishment control section (33). <<4>> or <<5>>, characterized in that it further includes an external output section that externally outputs one or more types of information selected from replenishment processing information and filtration processing information of the filtration control section (75). The fryer (1A) described in .
<<9>> An oil tank (11) that stores frying oil and performs frying operations by immersing fried foods in the frying oil, and an oil replenishing section (13) that performs oil replenishment processing to replenish the frying oil to the oil tank (11). ), a control section (15) that controls the oil supply section (13), and an oil that determines whether the amount of the frying oil stored in the oil tank (11) is less than or equal to a predetermined oil amount. The control section (15) includes an amount determining section (31) and a frying operation determining section (32) that determines whether or not the oil tank (11) is in the frying operation. If the oil amount is determined to be less than or equal to the predetermined oil amount by the section (31), and the frying operation determining section (32) determines that the frying operation is not in progress, the oil replenishing section (13) A fryer (1, 1A) characterized in that the oil replenishment process is performed by.
<<10>> A waste oil section (41) that performs waste oil processing to discard the frying oil stored in the oil tank (11), and a waste oil section (41) that performs waste oil processing to discard the frying oil stored in the oil tank (11), and a The control unit (15) controls the waste oil unit (41), and the deterioration determination unit (72) determines whether or not the deterioration index is The fryer (1A) according to <9>, wherein the waste oil is treated by the waste oil section (41) when it is determined that the amount is equal to or higher than a predetermined threshold value.
<<11>> The control unit (15) determines that the deterioration index is determined to be equal to or greater than the predetermined threshold by the deterioration determination unit (72), and that the frying operation is not in progress according to the frying operation determination unit (32). The fryer (1A) according to <10>, wherein if it is determined that the waste oil is disposed of, the waste oil is processed by the waste oil section (41).
<<12>> A filtration part (42) that performs a filtration process to filter the frying oil stored in the oil tank (11), and a filtration part (42) that performs a filtration process to filter the frying oil stored in the oil tank (11), and a The control section (15) controls the filtration section (42), and the control section (15) controls the filtration section (42) to determine whether the amount is equal to or greater than the amount of fried dregs (74). Any one of <<9>> to <<11>>, characterized in that when it is determined by 74) that the amount of fried waste is equal to or greater than the predetermined amount of fried waste, the filtration process is performed by the filtration section (42). The fryer (1A) described in 1.
<<13>> The control unit (15) determines that the amount of fried scraps is determined to be equal to or greater than the predetermined amount of fried scraps by the fried scrap amount determination unit (74), and that the frying operation determination unit (32) The fryer (1A) according to <<12>>, wherein the filtration process is performed by the filtration section (42) when it is determined that the frying operation is not in progress.
<<14>> An oil tank (11) that stores frying oil and performs frying operations by immersing fried foods in the frying oil; and an oil replenishment section (13) that performs oil replenishment processing to replenish the frying oil to the oil tank (11). ), the oil amount determining whether the amount of the frying oil stored in the oil tank (11) is less than or equal to a predetermined oil amount. a determination step (S1), a frying operation determination step (S2) for determining whether or not the frying operation is in progress using the oil tank (11), and an oil amount determination step (S1) to determine whether the oil amount is within the predetermined level. If it is determined that the amount of oil is below the oil amount and it is determined that the frying operation is not in progress in the frying operation determination step (S2), an oil replenishment step (S3) in which the oil replenishment process is performed by the oil replenishment section (13). ) A control method for a fryer (1, 1A), characterized by carrying out the following.
<<15>> The method for controlling a fryer (1, 1A) according to <<14>>, wherein the amount of the frying oil is the weight of the frying oil or the oil level of the frying oil.

１、１Ａ：フライヤー、 １１：油槽、 １３：油補給部、 ３１：油量判定部、 ３２：フライ作業判定部、 ３３：油補給制御部、 ４１：廃油部、 ４２：ろ過部、 ７２：劣化判定部、 ７３：廃油制御部、 ７４：揚げカス量判定部、 ７５：ろ過制御部 1, 1A: fryer, 11: oil tank, 13: oil supply section, 31: oil amount judgment section, 32: frying operation judgment section, 33: oil supply control section, 41: waste oil section, 42: filtration section, 72: deterioration Judgment section, 73: Waste oil control section, 74: Fried waste amount judgment section, 75: Filtration control section

Claims (10)

フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽と、
油補給処理手段と、を有し、
前記油補給処理手段は、
前記油槽に前記フライ油を補給する油補給処理を行う油補給部と、
前記油補給部を制御する油補給制御部と、
前記油槽に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定部と、
前記油槽による前記フライ作業中であるか否かを判定するフライ作業判定部と、を備え、
前記油補給制御部は、前記油量判定部によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定部によって前記フライ作業中でないと判定された場合、前記油補給部によって前記油補給処理を行うことを特徴とする、フライヤー。 an oil tank that stores frying oil and performs frying operations by immersing fried foods in the frying oil;
and an oil replenishment processing means;
The oil replenishment processing means
an oil replenishment unit that performs an oil replenishment process to replenish the frying oil to the oil tank;
an oil replenishment control section that controls the oil replenishment section;
an oil amount determination unit that determines whether the amount of the frying oil stored in the oil tank is less than or equal to a predetermined oil amount;
a frying operation determination unit that determines whether or not the frying operation using the oil tank is in progress;
The oil replenishment control section is configured to supply the oil when the oil amount determining section determines that the oil amount is equal to or less than the predetermined oil amount, and when the frying operation determining section determines that the frying operation is not in progress. A fryer characterized in that the oil replenishment process is performed by a replenishment section. 廃油処理手段を、更に有し、
前記廃油処理手段は、
前記油槽に貯留された前記フライ油を廃棄する廃油処理を行う廃油部と、
前記廃油部を制御する廃油制御部と、
前記油槽に貯留された前記フライ油の劣化指標が所定の閾値以上であるか否かを判定する劣化判定部と、を備え、
前記廃油制御部は、前記劣化判定部によって前記劣化指標が前記所定の閾値以上であると判定された場合、前記廃油部によって前記廃油処理を行うことを特徴とする、請求項１に記載のフライヤー。 further comprising waste oil processing means,
The waste oil processing means is
a waste oil section that performs waste oil processing to discard the frying oil stored in the oil tank;
a waste oil control section that controls the waste oil section;
a deterioration determination unit that determines whether a deterioration index of the frying oil stored in the oil tank is greater than or equal to a predetermined threshold;
The fryer according to claim 1, wherein the waste oil control unit causes the waste oil unit to perform the waste oil treatment when the deterioration indicator is determined to be equal to or higher than the predetermined threshold value by the deterioration determination unit. . 前記廃油制御部は、前記劣化判定部によって前記劣化指標が前記所定の閾値以上であると判定され、かつ、前記フライ作業判定部によって前記フライ作業中でないと判定された場合、前記廃油部によって前記廃油処理を行うことを特徴とする、請求項２に記載のフライヤー。 The waste oil control unit is configured to cause the waste oil control unit to control the waste oil when the deterioration indicator is determined to be equal to or greater than the predetermined threshold and the frying operation determination unit determines that the frying operation is not in progress. The fryer according to claim 2, characterized in that waste oil treatment is performed. ろ過処理手段を、更に有し、
前記ろ過処理手段は、
前記油槽に貯留された前記フライ油をろ過するろ過処理を行うろ過部と、
前記ろ過部を制御するろ過制御部と、
前記油槽に貯留された前記フライ油中の揚げカス量が所定の揚げカス量以上であるか否かを判定する揚げカス量判定部と、を備え、
前記ろ過制御部は、前記揚げカス量判定部によって前記揚げカス量が前記所定の揚げカス量以上であると判定された場合、前記ろ過部によって前記ろ過処理を行うことを特徴とする、請求項１乃至３のいずれか１項に記載のフライヤー。 further comprising filtration processing means,
The filtration processing means includes:
a filtration unit that performs a filtration process to filter the frying oil stored in the oil tank;
a filtration control section that controls the filtration section;
a fried scraps amount determining unit that determines whether the amount of fried scraps in the frying oil stored in the oil tank is greater than or equal to a predetermined amount of fried scraps,
The filtration control unit is characterized in that when the amount of fried dregs is determined by the amount of fried dregs to be equal to or greater than the predetermined amount of fried dregs, the filtration control unit performs the filtration process by the filtration unit. The fryer according to any one of items 1 to 3. 前記ろ過制御部は、前記揚げカス量判定部によって前記揚げカス量が前記所定の揚げカス量以上であると判定され、かつ、前記フライ作業判定部によって前記フライ作業中でないと判定された場合、前記ろ過部によって前記ろ過処理を行うことを特徴とする、請求項４に記載のフライヤー。 The filtration control unit determines that the amount of fried dregs is equal to or more than the predetermined amount of fried dregs by the fried dregs amount determination unit, and the frying operation determination unit determines that the frying operation is not in progress; The fryer according to claim 4, wherein the filtration process is performed by the filtration section. 前記油量判定部の判定情報、前記フライ作業判定部の判定情報、前記油補給制御部の油補給処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、請求項１に記載のフライヤー。 The method further includes an external output section that outputs one or more types of information selected from judgment information of the oil amount judgment section, judgment information of the frying operation judgment section, and oil replenishment processing information of the oil replenishment control section. The fryer according to claim 1, characterized in that: 前記油量判定部の判定情報、前記フライ作業判定部の判定情報、前記劣化判定部の判定情報、前記油補給制御部の油補給処理情報、前記廃油制御部の廃棄処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、請求項２に記載のフライヤー。 One type selected from determination information of the oil amount determination section, determination information of the frying operation determination section, determination information of the deterioration determination section, oil replenishment processing information of the oil replenishment control section, and waste processing information of the waste oil control section. The fryer according to claim 2, further comprising an external output section that outputs two or more types of information to the outside. 前記油量判定部の判定情報、前記フライ作業判定部の判定情報、前記揚げカス量判定部の判定情報、前記油補給制御部の油補給処理情報、前記ろ過制御部のろ過処理情報から選ばれる１種又は２種以上の情報を外部出力する外部出力部を、更に有することを特徴とする、請求項４に記載のフライヤー。 Selected from the judgment information of the oil amount judgment section, the judgment information of the frying operation judgment section, the judgment information of the fried dregs amount judgment section, the oil replenishment processing information of the oil replenishment control section, and the filtration processing information of the filtration control section. The flyer according to claim 4, further comprising an external output section that outputs one or more types of information to the outside. フライ油を貯留し、前記フライ油に揚げ物を浸漬させてフライ作業を行う油槽と、
前記油槽に前記フライ油を補給する油補給処理を行う油補給部と、を備えたフライヤーの制御方法であって、
前記油槽に貯留された前記フライ油の油量が所定の油量以下であるか否かを判定する油量判定工程と、
前記油槽による前記フライ作業中であるか否かを判定するフライ作業判定工程と、
前記油量判定工程によって前記油量が前記所定の油量以下であると判定され、かつ、前記フライ作業判定工程によって前記フライ作業中でないと判定された場合、前記油補給部によって前記油補給処理を行う油補給工程と、を実行することを特徴とする、フライヤーの制御方法。 an oil tank that stores frying oil and performs frying operations by immersing fried foods in the frying oil;
A method for controlling a fryer, comprising: an oil replenishment unit that performs an oil replenishment process for replenishing the oil tank with the frying oil,
an oil amount determination step of determining whether the amount of the frying oil stored in the oil tank is less than or equal to a predetermined oil amount;
a frying operation determination step of determining whether or not the frying operation is in progress using the oil tank;
If the oil amount is determined to be less than or equal to the predetermined oil amount in the oil amount determination step, and if it is determined in the frying operation determination step that the frying operation is not in progress, the oil replenishment section performs the oil replenishment process. A method for controlling a fryer, comprising: an oil replenishment step; and a method for controlling a fryer. 前記フライ油の油量は、前記フライ油の重量又は前記フライ油の油面レベルであることを特徴とする、請求項９に記載のフライヤーの制御方法。 The fryer control method according to claim 9, wherein the amount of the frying oil is the weight of the frying oil or the oil level of the frying oil.
JP2022133078A 2022-08-24 2022-08-24 Fryer and control method of fryer Pending JP2024030299A (en)

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