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Construction machine, oxidation catalyst deterioration detection device, oxidation catalyst deterioration detection method, and oxidation catalyst deterioration detection program
Provided are a construction machine, an oxidation catalyst deterioration detection device, an oxidation catalyst deterioration detection method, and an oxidation catalyst deterioration detection program with which it is possible to appropriately detect deterioration of an oxidation catalyst. A construction machine (20) is provided with a temperature detection device (2) for detecting the temperature between an oxidation catalyst (12) and a filter (11), and a controller (71). The controller (71) calculates the average value of the temperatures detected by the temperature detection device (2) during the regeneration process of the filter (11), and calculates the degree of deterioration of the oxidation catalyst (12) on the basis of the calculated average value.
本发明提供可适当地检测氧化催化剂的劣化的工程机械、氧化催化剂的劣化检测装置、氧化催化剂的劣化检测方法及氧化催化剂的劣化检测程序。工程机械(20)包括在氧化催化剂(12)与过滤器(11)之间检测温度的温度检测装置(2)、和控制器(71)。控制器(71)在过滤器(11)的再生处理中，计算温度检测装置(2)所检测出的温度的平均值，并基于所计算出的平均值，计算氧化催化剂(12)的劣化程度。
Construction machine, oxidation catalyst deterioration detection device, oxidation catalyst deterioration detection method, and oxidation catalyst deterioration detection program
Provided are a construction machine, an oxidation catalyst deterioration detection device, an oxidation catalyst deterioration detection method, and an oxidation catalyst deterioration detection program with which it is possible to appropriately detect deterioration of an oxidation catalyst. A construction machine (20) is provided with a temperature detection device (2) for detecting the temperature between an oxidation catalyst (12) and a filter (11), and a controller (71). The controller (71) calculates the average value of the temperatures detected by the temperature detection device (2) during the regeneration process of the filter (11), and calculates the degree of deterioration of the oxidation catalyst (12) on the basis of the calculated average value.
本发明提供可适当地检测氧化催化剂的劣化的工程机械、氧化催化剂的劣化检测装置、氧化催化剂的劣化检测方法及氧化催化剂的劣化检测程序。工程机械(20)包括在氧化催化剂(12)与过滤器(11)之间检测温度的温度检测装置(2)、和控制器(71)。控制器(71)在过滤器(11)的再生处理中，计算温度检测装置(2)所检测出的温度的平均值，并基于所计算出的平均值，计算氧化催化剂(12)的劣化程度。
Construction machine, oxidation catalyst deterioration detection device, oxidation catalyst deterioration detection method, and oxidation catalyst deterioration detection program
工程机械、氧化催化剂的劣化检测装置、氧化催化剂的劣化检测方法及氧化催化剂的劣化检测程序
HAMAMOTO RYO (author) / ENDO KAZUOMI (author) / NAKAGAWA TOMOHIRO (author)
2024-10-15
Patent
Electronic Resource
Chinese
DETERIORATION DETECTION SYSTEM, DETERIORATION DETECTION METHOD, AND DETERIORATION DETECTION DEVICE
| European Patent Office | 2022
| European Patent Office | 2015