JP7272292B2 - Oil change guide device and oil change guide method - Google Patents

Oil change guide device and oil change guide method Download PDF

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JP7272292B2
JP7272292B2 JP2020010963A JP2020010963A JP7272292B2 JP 7272292 B2 JP7272292 B2 JP 7272292B2 JP 2020010963 A JP2020010963 A JP 2020010963A JP 2020010963 A JP2020010963 A JP 2020010963A JP 7272292 B2 JP7272292 B2 JP 7272292B2
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英樹 長田
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Isuzu Motors Ltd
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機械装置を潤滑するオイルの交換を案内するオイル交換案内装置及びオイル交換案内方法に関する。 The present invention relates to an oil change guide device and an oil change guide method for guiding replacement of oil lubricating a mechanical device.

機械装置、例えばエンジンを潤滑するオイルは、熱ダメージ、煤（炭素）や異物の混入等により徐々に劣化し、劣化が進行すると所期の性能を発揮できなくなるので、定期的（例えば、規定期間毎や、車両に搭載されるエンジンにおいては規定走行距離毎）に交換することが求められている。また、近年では、オイルの劣化度を検出し、オイルの劣化度が閾値以上と成った時にオイルの交換を促す装置が存在する。 Oil that lubricates mechanical devices, such as engines, gradually deteriorates due to heat damage, contamination with soot (carbon) and foreign matter. It is required to replace it every time (or every specified mileage in the case of an engine mounted on a vehicle). Further, in recent years, there is a device that detects the degree of oil deterioration and prompts oil replacement when the degree of oil deterioration exceeds a threshold value.

特開２０１８－１７１７７号公報JP 2018-17177 A 特開２００４－１５６４５５号公報JP-A-2004-156455

然し乍ら、オイルの交換を行う際は、基本的にオイルの全部を交換するので、特に、オイルの容量が大きい大型のエンジンでは、オイルの交換に掛かる費用が嵩むという課題が有った。オイルの交換に掛かる費用を削減する為には、オイルの一部のみを交換する事が望ましいが、適切なオイルの交換量を知る事は困難であった。 However, when the oil is changed, all the oil is basically changed, so there is a problem that the cost of oil change increases, especially in a large engine with a large oil capacity. In order to reduce the cost of changing oil, it is desirable to change only a part of the oil, but it was difficult to know the appropriate amount of oil to change.

以上の事情に鑑み、オイルの劣化度に応じてオイルの交換量を適切に知る事が出来るオイル交換案内装置及びオイル交換案内方法を提供する事を目的とする。 In view of the above circumstances, it is an object of the present invention to provide an oil change guide device and an oil change guide method that can appropriately know the amount of oil to be changed according to the degree of deterioration of the oil.

本発明は、機械装置を潤滑するオイルの交換を案内するオイル交換案内装置であって、オイルの劣化度を検出するオイル劣化度検出装置と、オイルの現在量を検出するオイル現在量検出装置と、前記オイル劣化度検出装置で検出されたオイルの劣化度と前記オイル現在量検出装置で検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算するオイル交換量演算装置と、前記オイル交換量演算装置で演算されたオイルの排出量と補充量とを出力するオイル交換量出力装置と、を備えるオイル交換案内装置を提供する。 The present invention is an oil change guide device that guides replacement of oil lubricating a mechanical device, comprising an oil deterioration degree detection device that detects the degree of deterioration of oil, and a current oil amount detection device that detects the current amount of oil. , based on the degree of oil deterioration detected by the oil deterioration degree detection device and the current amount of oil detected by the current oil amount detection device, the amount of oil discharged such that the degree of oil deterioration is an allowable value. and an oil change quantity calculation device for calculating an oil change quantity and a replenishment quantity, and an oil change quantity output device for outputting the oil discharge quantity and the replenishment quantity calculated by the oil change quantity calculation device. do.

前記オイル劣化度検出装置は、オイルに含有される炭素量の割合をオイルの劣化度として検出する事が望ましい。 It is desirable that the oil deterioration degree detection device detects the ratio of the amount of carbon contained in the oil as the degree of deterioration of the oil.

前記オイル交換量演算装置は、前記オイル劣化度検出装置で検出されたオイルの劣化度が閾値以上の場合に、オイルの交換が必要と判断してオイルの排出量と補充量とを演算する事が望ましい。 The oil change amount calculating device determines that the oil needs to be changed when the degree of deterioration of the oil detected by the oil deterioration degree detecting device is equal to or greater than a threshold value, and calculates the discharge amount and the replenishment amount of the oil. is desirable.

前記オイル交換量出力装置は、オイルの排出量と補充量とを出力する際は、機械装置使用者、機械装置管理者、及び／又はオイル交換作業者への通知を以て出力とする事が望ましい。 When the oil change amount output device outputs the amount of oil to be discharged and replenished, it is desirable to output it with notification to the machine user, the machine manager, and/or the oil change operator.

機械装置を潤滑するオイルの交換を案内するオイル交換案内方法であって、電子制御装置において、オイルの劣化度を検出するオイル劣化度検出ステップと、オイルの現在量を検出するオイル現在量検出ステップと、前記オイル劣化度検出ステップで検出されたオイルの劣化度と前記オイル現在量検出ステップで検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算するオイル交換量演算ステップと、前記オイル交換量演算ステップで演算されたオイルの排出量と補充量とを出力するオイル交換量出力ステップと、を実行する事を特徴とするオイル交換案内方法を提供する。 An oil change guidance method for guiding the change of oil lubricating a mechanical device, comprising: an oil deterioration level detection step for detecting the deterioration level of oil; and an oil current amount detection step for detecting the current amount of oil in an electronic control unit. and, based on the degree of oil deterioration detected in the oil deterioration degree detection step and the current amount of oil detected in the current oil amount detection step, discharging oil such that the degree of oil deterioration is an allowable value. and an oil change amount output step of outputting the oil discharge amount and the oil replenishment amount calculated in the oil change amount calculating step. To provide an oil change guide method for

オイルの劣化度に応じてオイルの交換量を適切に知る事が出来るオイル交換案内装置及びオイル交換案内方法を提供する事が出来る。 It is possible to provide an oil change guide device and an oil change guide method capable of appropriately knowing the amount of oil to be changed according to the degree of deterioration of the oil.

オイル交換案内装置の構成を説明する図である。It is a figure explaining the structure of an oil-change guide apparatus. オイル交換案内装置の動作を説明する図である。It is a figure explaining operation|movement of an oil-change guide apparatus.

［構成］
図１に示す様に、オイル交換案内装置１００は、機械装置の一種であるエンジンを潤滑するオイルの交換を案内するものであって、オイル劣化度検出装置１０１と、オイル現在量検出装置１０２と、オイル交換量演算装置１０３と、オイル交換量出力装置１０４と、を備える。 [composition]
As shown in FIG. 1, an oil change guide device 100 guides the change of oil lubricating an engine, which is a type of mechanical device, and includes an oil deterioration level detection device 101 and an oil current amount detection device 102. , an oil change amount calculation device 103 and an oil change amount output device 104 .

オイル劣化度検出装置１０１は、オイルの劣化度を検出するものであって、例えば、オイルに含有される炭素量の割合（残炭分）をオイルの劣化度として検出する。オイルに含有される炭素量は、エンジンの運転状態を基に演算する事が出来る（例えば、特許文献１を参照）。オイル劣化度検出装置１０１は、例えば、電子制御装置１０５の一部機能として実現される。 The oil deterioration degree detection device 101 detects the degree of deterioration of the oil, and detects, for example, the ratio of the amount of carbon contained in the oil (remaining carbon content) as the degree of deterioration of the oil. The amount of carbon contained in the oil can be calculated based on the operating state of the engine (see Patent Document 1, for example). The oil deterioration degree detection device 101 is realized as a part of the function of the electronic control device 105, for example.

オイル現在量検出装置１０２は、オイルの現在量を検出するものであって、例えば、エンジン下部に設けられてオイルを貯留するオイルパンに設置されたオイルレベルセンサで実現される。エンジンの稼働中は、オイルはエンジンの各部へ供給されるとともにエンジン内を循環するため、オイルの現在量を正確に把握する為には、例えば、アイドリング時やエンジンを停止させてからある程度の時間が経過した後にオイルの現在量を検出する事が望ましい。エンジンには、オイルの適正量が定められているが、通常はエンジンの稼働に伴ってオイルの現在量は徐々に減少していく。 The current oil amount detection device 102 detects the current amount of oil, and is realized, for example, by an oil level sensor installed in an oil pan that is provided in the lower part of the engine and stores oil. While the engine is running, oil is supplied to each part of the engine and circulates inside the engine. It is desirable to detect the current amount of oil after elapses. An appropriate amount of oil is set for the engine, but normally the current amount of oil gradually decreases as the engine runs.

オイル交換量演算装置１０３は、オイル劣化度検出装置１０１で検出されたオイルの劣化度とオイル現在量検出装置１０２で検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算するものであって、例えば、電子制御装置１０５の一部機能として実現される。許容値は、オイルの劣化度として許容する事が出来る（オイルの交換を必要とせず、オイルの性能を十分に発揮する事が出来る）範囲の劣化度を意味し、予め実験的に定められる。 The oil change amount calculation device 103 determines the degree of oil deterioration as an allowable value based on the degree of oil deterioration detected by the oil deterioration degree detection device 101 and the current amount of oil detected by the current oil amount detection device 102. It calculates the discharge amount and the replenishment amount of oil as described above, and is realized as a part of the function of the electronic control unit 105, for example. The permissible value means a degree of deterioration that can be tolerated as the degree of deterioration of the oil (the performance of the oil can be sufficiently exhibited without requiring oil replacement), and is determined experimentally in advance.

具体的には、［１］オイルの現在量－オイルの排出量＋オイルの補充量＝オイルの適正量、［２］オイルの現在量－オイルの排出量＝排出後のオイルの量、［３］（オイルの劣化度×排出後のオイルの量）／オイルの適正量＝許容値の３式を満たす様なオイルの排出量と補充量とを演算する。オイルの劣化度はオイル劣化度検出装置１０１で検出され、オイルの現在量はオイル現在量検出装置１０２で検出され、オイルの適正量はエンジン毎に定められ、許容値は予め実験的に定められるので、これらの既知の値から、未知の値であるオイルの排出量と補充量とを演算する事が出来る。 Specifically, [1] current amount of oil - discharged oil amount + replenishment amount of oil = proper amount of oil, [2] current amount of oil - discharged oil amount = amount of oil after discharge, [3] ] (degree of oil deterioration×amount of oil after discharge)/appropriate amount of oil=permissible value). The degree of oil deterioration is detected by an oil deterioration degree detection device 101, the current amount of oil is detected by a current oil amount detection device 102, the appropriate amount of oil is determined for each engine, and the allowable value is experimentally determined in advance. Therefore, from these known values, the unknown values of oil discharge and replenishment can be calculated.

例えば、オイルの劣化度を１０％、オイルの現在量を９Ｌ、オイルの適正量を１０Ｌ、許容値を５％とすると、［１］９－オイルの排出量＋オイルの補充量＝１０、［２］９－オイルの排出量＝排出後のオイルの量、［３］（０．１×排出後のオイルの量）／１０＝０．０５と成るので、オイルの排出量を４Ｌ、オイルの補充量を５Ｌとすれば、オイルの劣化度を許容値まで低下させる事が出来る。尚、オイルの劣化度が低い場合やオイルの現在量が少ない場合は、オイルの排出を行わず、オイルの補充のみを行う事も有り得る。即ち、３式を満たす様なオイルの排出量がゼロと成る場合も有り得る。 For example, if the degree of oil deterioration is 10%, the current amount of oil is 9 L, the appropriate amount of oil is 10 L, and the allowable value is 5%, [1] 9-discharged oil + replenished oil = 10, [ 2] 9-Amount of oil discharged = Amount of oil after discharge, [3] (0.1 × Amount of oil after discharge)/10 = 0.05, so the amount of oil discharged is 4 L, and the amount of oil If the replenishment amount is 5L, the degree of deterioration of the oil can be reduced to an allowable value. Incidentally, when the degree of deterioration of the oil is low or when the current amount of oil is small, it is possible that the oil is not discharged and only the oil is replenished. In other words, it is possible that the amount of oil that satisfies Equation 3 is zero.

従来は、オイルの全部（例えば、必要な新品オイルは１０Ｌ）を交換していたところ、オイル交換量演算装置１０３に従えば、オイルの一部（例えば、必要な新品オイルは５Ｌ）を交換するだけで良いので、オイルの交換に掛かる費用を削減する事が出来る。 Conventionally, all of the oil (for example, 10 L of new oil is required) is replaced, but according to the oil change amount calculation device 103, part of the oil (for example, 5 L of new oil is required) is replaced. You can reduce the cost of changing oil because you only need to do it.

オイル交換量演算装置１０３で演算されたオイルの排出量と補充量とに従ってオイルの交換を行う事でオイルの劣化度は許容値まで低下するので、オイルの交換を行った後は、オイル劣化度検出装置１０１は許容値を初期値としてオイルの劣化度を演算する。尚、オイルの全部を交換した場合は、オイル劣化度検出装置１０１はゼロを初期値としてオイルの劣化度を演算すれば良い。 By replacing the oil in accordance with the oil discharge amount and replenishment amount calculated by the oil change amount calculation device 103, the degree of deterioration of the oil decreases to the allowable value. The detection device 101 calculates the degree of deterioration of the oil using the allowable value as an initial value. When all the oil is replaced, the oil deterioration degree detection device 101 may calculate the deterioration degree of the oil using zero as an initial value.

また、オイル交換量演算装置１０３は、オイル劣化度検出装置１０１で検出されたオイルの劣化度が閾値以上の場合に、オイルの交換が必要と判断してオイルの排出量と補充量とを演算する事が望ましい。閾値は、オイルの性能に悪影響を与える虞が有る劣化度を意味し、予め実験的に定められる。 Further, when the deterioration degree of the oil detected by the oil deterioration degree detection device 101 is equal to or higher than the threshold, the oil change amount calculation device 103 determines that the oil needs to be changed, and calculates the discharge amount and replenishment amount of the oil. It is desirable to The threshold means the degree of deterioration that may adversely affect the performance of the oil, and is determined experimentally in advance.

オイル劣化度検出装置１０１で検出されたオイルの劣化度が閾値以上の場合のみオイルの排出量と補充量とを演算する事で演算頻度を減少させる事が出来るので、演算負荷を最小限に抑える事が出来る。 Only when the deterioration degree of the oil detected by the oil deterioration degree detection device 101 is equal to or higher than the threshold value, the calculation frequency can be reduced by calculating the discharge amount and replenishment amount of the oil, so that the calculation load can be minimized. I can do things.

オイル交換量出力装置１０４は、オイル交換量演算装置１０３で演算されたオイルの排出量と補充量とを出力するものであって、オイルの排出量と補充量とを出力する際は、エンジン使用者（例えばエンジンが搭載される車両を運転する者）、エンジン管理者（例えばエンジンが搭載される車両を管理している者）、及び／又はオイル交換作業者（例えばオイルの交換作業を行う者）への通知を以て出力とする。オイル交換量出力装置１０４は、例えば、電子制御装置１０５の一部機能として実現される。 The oil change amount output device 104 outputs the oil discharge amount and the replenishment amount calculated by the oil change amount calculation unit 103. When outputting the oil discharge amount and the replenishment amount, the engine is used. (e.g., a person who drives a vehicle in which an engine is installed), an engine manager (e.g., a person who manages a vehicle in which an engine is installed), and/or an oil changer (e.g., a person who performs an oil change operation) ) will be output. The oil change amount output device 104 is realized as a partial function of the electronic control device 105, for example.

エンジン使用者、エンジン管理者、及び／又はオイル交換作業者への通知は、オイルの交換が必要な事やその際のオイルの排出量と補充量とを、例えば、エンジンが搭載される車両のインジケータや画面を介して表示したり、通信回線を介して車両から離れたサービスセンタに居る管理者の情報端末や車両の近くに居る作業者の情報端末に表示したりする事で行われる。また、定置エンジン等、車両に搭載されないエンジンの場合には、エンジンの稼働状態を表示するインジケータや画面を介して表示すればよい。 Notification to the engine user, engine manager, and/or oil change operator that the oil needs to be changed and the amount of oil drained and refilled at that time, for example, of the vehicle in which the engine is installed. It is displayed via an indicator or a screen, or displayed via a communication line on the information terminal of a manager at a service center away from the vehicle or on the information terminal of a worker near the vehicle. Also, in the case of an engine that is not mounted on a vehicle, such as a stationary engine, the operating state of the engine may be displayed via an indicator or screen.

［動作］
図２に示す様に、オイル交換案内装置１００は、ステップＳ１０１で、オイル劣化度検出装置１０１がオイルの劣化度を検出するか、又はオイル交換量演算装置１０３がオイル劣化度検出装置１０１で検出されたオイルの劣化度を読み込み、ステップＳ１０２で、オイル交換量演算装置１０３がオイル劣化度検出装置１０１で検出されたオイルの劣化度が閾値以上か否かを判定する。 [motion]
As shown in FIG. 2, in step S101, the oil change guide device 100 detects the deterioration degree of the oil by the oil deterioration degree detection device 101, or the oil change amount calculation device 103 detects the oil deterioration degree detection device 101. In step S102, the oil change amount calculating device 103 determines whether the degree of oil deterioration detected by the oil deterioration degree detecting device 101 is equal to or higher than a threshold value.

オイル劣化度検出装置１０１で検出されたオイルの劣化度が閾値以上の場合はステップＳ１０３に進み、オイル劣化度検出装置１０１で検出されたオイルの劣化度が閾値未満の場合はステップＳ１０１に戻る。 If the degree of oil deterioration detected by the oil deterioration degree detector 101 is equal to or greater than the threshold, the process proceeds to step S103, and if the degree of oil deterioration detected by the oil deterioration degree detector 101 is less than the threshold, the process returns to step S101.

ステップＳ１０３では、オイル現在量検出装置１０２がオイルの現在量を検出するか、又はオイル交換量演算装置１０３がオイル現在量検出装置１０２で検出されたオイルの現在量を読み込み、ステップＳ１０４では、オイル交換量演算装置１０３が、オイル劣化度検出装置１０１で検出されたオイルの劣化度とオイル現在量検出装置１０２で検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算する。 In step S103, the current oil amount detection device 102 detects the current amount of oil, or the oil change amount calculation device 103 reads the current amount of oil detected by the current oil amount detection device 102, and in step S104, the oil Based on the deterioration degree of oil detected by the oil deterioration degree detection device 101 and the current amount of oil detected by the current oil amount detection device 102, the replacement amount calculation device 103 determines that the deterioration degree of the oil becomes the allowable value. Calculate the amount of discharge and replenishment of various oil.

続くステップＳ１０５では、オイル交換量出力装置１０４がオイル交換量演算装置１０３で演算されたオイルの排出量と補充量とを出力し、オイルの交換が必要な旨とオイルの排出量・補充量とを、運転者、管理者、及び／又は作業者へ通知する。 In the following step S105, the oil change amount output device 104 outputs the oil discharge amount and the replenishment amount calculated by the oil change amount calculation device 103, indicating that the oil needs to be changed, and the oil discharge and replenishment amounts. is notified to the driver, manager, and/or worker.

以上に説明した様に、オイル交換案内装置１００によれば、オイルの劣化度に応じてオイルの交換量（オイルの排出量と補充量）を適切に知る事が出来る。 As described above, according to the oil change guide device 100, it is possible to appropriately know the oil change amount (oil discharge amount and oil replenishment amount) according to the degree of deterioration of the oil.

以上、エンジンにおける実施形態を述べたが、本開示はこれに限定されず、車両に搭載される変速機やデファレンシャル装置等、オイルで潤滑される機械装置に適用可能である。 Although an embodiment of an engine has been described above, the present disclosure is not limited to this, and can be applied to mechanical devices lubricated with oil, such as a transmission and a differential device mounted on a vehicle.

１００ オイル交換案内装置
１０１ オイル劣化度検出装置
１０２ オイル現在量検出装置
１０３ オイル交換量演算装置
１０４ オイル交換量出力装置
１０５ 電子制御装置 100 oil change guidance device 101 oil deterioration degree detection device 102 current oil amount detection device 103 oil change amount calculation device 104 oil change amount output device 105 electronic control device

Claims (5)

機械装置を潤滑するオイルの交換を案内するオイル交換案内装置であって、
オイルの劣化度を検出するオイル劣化度検出装置と、
オイルの現在量を検出するオイル現在量検出装置と、
前記オイル劣化度検出装置で検出されたオイルの劣化度と前記オイル現在量検出装置で検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算するオイル交換量演算装置と、
前記オイル交換量演算装置で演算されたオイルの排出量と補充量とを出力するオイル交換量出力装置と、
を備える
事を特徴とするオイル交換案内装置。 An oil change guide device for guiding replacement of oil lubricating a mechanical device,
an oil deterioration degree detection device that detects the degree of deterioration of oil;
a current oil amount detector that detects the current amount of oil;
Based on the degree of oil deterioration detected by the oil deterioration degree detection device and the current amount of oil detected by the current oil amount detection device, an amount of oil discharged such that the degree of oil deterioration is an allowable value. an oil change amount calculation device that calculates the replenishment amount;
an oil change amount output device that outputs the oil discharge amount and oil replenishment amount calculated by the oil change amount calculation device;
An oil change guide device comprising: 前記オイル劣化度検出装置は、オイルに含有される炭素量の割合をオイルの劣化度として検出する
請求項１に記載のオイル交換案内装置。 2. The oil change guide device according to claim 1, wherein the oil deterioration degree detection device detects a ratio of carbon content contained in the oil as the deterioration degree of the oil. 前記オイル交換量演算装置は、前記オイル劣化度検出装置で検出されたオイルの劣化度が閾値以上の場合に、オイルの交換が必要と判断してオイルの排出量と補充量とを演算する
請求項１又は２に記載のオイル交換案内装置。 The oil change amount calculation device determines that the oil needs to be changed when the degree of deterioration of the oil detected by the oil deterioration degree detection device is equal to or greater than a threshold value, and calculates the discharge amount and the replenishment amount of the oil. Item 3. The oil change guide device according to Item 1 or 2. 前記オイル交換量演算装置は、［１］オイルの現在量－オイルの排出量＋オイルの補充量＝オイルの適正量、［２］オイルの現在量－オイルの排出量＝排出後のオイルの量、［３］（オイルの劣化度×排出後のオイルの量）／オイルの適正量＝許容値の３式を満たす様なオイルの排出量と補充量とを演算する
請求項１乃至３の何れか一項に記載のオイル交換案内装置。 The oil change amount calculating device calculates [1] current amount of oil−discharged oil+replenishment amount of oil=appropriate amount of oil, [2] current amount of oil−discharged oil=amount of oil after discharge , [3] (Degree of oil x Amount of oil after discharge) / Appropriate amount of oil = Permissible value. 1. The oil change guide device according to claim 1. 機械装置を潤滑するオイルの交換を案内するオイル交換案内方法であって、
電子制御装置において、
オイルの劣化度を検出するオイル劣化度検出ステップと、
オイルの現在量を検出するオイル現在量検出ステップと、
前記オイル劣化度検出ステップで検出されたオイルの劣化度と前記オイル現在量検出ステップで検出されたオイルの現在量とを基に、オイルの劣化度が許容値と成る様なオイルの排出量と補充量とを演算するオイル交換量演算ステップと、
前記オイル交換量演算ステップで演算されたオイルの排出量と補充量とを出力するオイル交換量出力ステップと、
を実行する
事を特徴とするオイル交換案内方法。 An oil change guidance method for guiding the change of oil lubricating a mechanical device, comprising:
in the electronic control unit,
an oil deterioration level detection step for detecting the deterioration level of the oil;
a current oil amount detection step for detecting the current amount of oil;
Based on the degree of oil deterioration detected in the oil deterioration degree detecting step and the current amount of oil detected in the current oil amount detecting step, the amount of oil discharged such that the degree of oil deterioration becomes an allowable value. an oil change amount calculation step for calculating the replenishment amount;
an oil change amount output step of outputting the oil discharge amount and the oil replenishment amount calculated in the oil change amount calculation step;
An oil change guidance method characterized by:
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