JP6749877B2 - 冷却ファン制御装置 - Google Patents
冷却ファン制御装置 Download PDFInfo
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- JP6749877B2 JP6749877B2 JP2017185409A JP2017185409A JP6749877B2 JP 6749877 B2 JP6749877 B2 JP 6749877B2 JP 2017185409 A JP2017185409 A JP 2017185409A JP 2017185409 A JP2017185409 A JP 2017185409A JP 6749877 B2 JP6749877 B2 JP 6749877B2
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- temperature
- cooling fan
- refrigerant
- outside air
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/003—Devices for transporting the soil-shifting machines or excavators, e.g. by pushing them or by hitching them to a tractor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P5/043—Pump reversing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/40—Working vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2300/00—Indexing codes relating to the type of vehicle
- B60W2300/17—Construction vehicles, e.g. graders, excavators
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/13—Ambient temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/32—Engine outcoming fluid temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Transportation (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
2 油圧ポンプ
3 油圧モータ
4 冷却ファン
5 方向切換弁
6 可変リリーフ弁
7 コントローラ(制御部)
8 ラジエータ
9 オイルクーラ
10 アクセルペダル
11 サーモスタット
12 タンク
13 圧力センサ
14,15 制御ライン
16 冷却水温度センサ(冷媒温度センサ)
17 外気温度センサ
TA 外気温度
TS 間隔時間
TS1 通常時間
TS2 短縮時間
TW 冷却水温度(冷媒温度)
TW1 第1設定温度
TW2 第2設定温度
TW3 低温側基準値
TW4 高温側基準値
Claims (5)
- エンジンと、前記エンジンの冷媒を冷却するラジエータと、エンジンにより駆動される油圧ポンプと、前記冷媒の温度を検出する冷媒温度センサと、外気の温度を検出する外気温度センサと、前記冷媒を前記ラジエータに供給する経路上で、前記冷媒の温度に応じて前記経路を全閉から全開の間で開閉するサーモスタットと、前記油圧ポンプから吐出される圧油によって駆動され、前記ラジエータに冷却風を送風するための冷却ファンを回転させる油圧モータと、前記油圧ポンプからの吐出油の流れ方向を切り換えて前記油圧モータを正逆転させる方向切換弁と、前記冷却ファンの正・逆回転の繰り返し動作が所定の間隔時間毎に行われるように前記方向切換弁を制御する制御部とを備え、
前記制御部は、前記外気温度センサから検出される外気温度と前記冷媒温度センサから検出される冷媒温度との関係が予め規定された所定条件になったときに、前記間隔時間の設定を変更し、
前記所定条件は、前記外気温度センサから検出される外気温度が基準値よりも高い高温条件と基準値よりも低い低温条件とを含んでおり、
前記制御部は、前記冷媒温度センサから検出される冷媒温度が前記低温条件下で第1設定温度になったとき、または前記高温条件下で前記冷媒温度センサから検出される冷媒温度が前記第1設定温度よりも高い第2設定温度になったとき、前記間隔時間を初期設定された通常時間よりも短縮することを特徴とする冷却ファン制御装置。 - 請求項1に記載の冷却ファン制御装置において、
前記制御部は、前記間隔時間が前記通常時間よりも短縮された後に、前記冷媒温度センサから検出される冷媒温度が前記低温条件下で前記第1設定温度よりも低い低温側基準値になったとき、または前記高温条件下で前記第2設定温度よりも低い高温側基準値になったときに、前記間隔時間を前記通常時間に戻すことを特徴とする冷却ファン制御装置。 - 請求項2に記載の冷却ファン制御装置において、
前記第1設定温度と前記低温側基準値は、前記サーモスタットが全閉から全開する冷媒の温度範囲内に規定されていることを特徴とする冷却ファン制御装置。 - 請求項2または3に記載の冷却ファン制御装置において、
前記第2設定温度は、前記サーモスタットが全開する冷媒の温度以上に規定されていることを特徴とする冷却ファン制御装置。 - 請求項1に記載の冷却ファン制御装置において、
前記制御部は、前記間隔時間が前記通常時間よりも短縮された後に前記エンジンを停止したときに、前記間隔時間を前記通常時間に戻すことを特徴とする冷却ファン制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017185409A JP6749877B2 (ja) | 2017-09-26 | 2017-09-26 | 冷却ファン制御装置 |
CN201880014321.3A CN110337533B (zh) | 2017-09-26 | 2018-09-04 | 作业车辆 |
EP18863778.9A EP3575568B1 (en) | 2017-09-26 | 2018-09-04 | Work vehicle |
PCT/JP2018/032782 WO2019065121A1 (ja) | 2017-09-26 | 2018-09-04 | 作業車両 |
US16/489,795 US10767342B2 (en) | 2017-09-26 | 2018-09-04 | Work vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017185409A JP6749877B2 (ja) | 2017-09-26 | 2017-09-26 | 冷却ファン制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019060282A JP2019060282A (ja) | 2019-04-18 |
JP6749877B2 true JP6749877B2 (ja) | 2020-09-02 |
Family
ID=65901249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017185409A Active JP6749877B2 (ja) | 2017-09-26 | 2017-09-26 | 冷却ファン制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10767342B2 (ja) |
EP (1) | EP3575568B1 (ja) |
JP (1) | JP6749877B2 (ja) |
CN (1) | CN110337533B (ja) |
WO (1) | WO2019065121A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7076396B2 (ja) * | 2019-03-27 | 2022-05-27 | 日立建機株式会社 | 作業機械 |
JP7253666B2 (ja) * | 2020-02-19 | 2023-04-06 | 日立建機株式会社 | 車両用熱交換システム及びダンプトラック |
CN111648860B (zh) * | 2020-07-14 | 2021-08-24 | 三一重机有限公司 | 工程机械的散热器诊断***、诊断方法及装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4825006B1 (ja) | 1967-09-01 | 1973-07-25 | ||
JPH1068142A (ja) * | 1996-08-28 | 1998-03-10 | Shin Caterpillar Mitsubishi Ltd | 建設機械の冷却装置 |
US6076488A (en) * | 1997-03-17 | 2000-06-20 | Shin Caterpillar Mitsubishi Ltd. | Cooling device for a construction machine |
JPH10259726A (ja) * | 1997-03-18 | 1998-09-29 | Nissan Diesel Motor Co Ltd | 油圧式ファン駆動システム |
JPH11193719A (ja) * | 1997-12-26 | 1999-07-21 | Kubota Corp | 作業機のエンジン冷却装置 |
JPH11241615A (ja) * | 1998-02-26 | 1999-09-07 | Aisin Seiki Co Ltd | 冷却装置 |
JP4285866B2 (ja) * | 1999-12-22 | 2009-06-24 | 株式会社小松製作所 | 油圧駆動冷却ファン |
JP4567236B2 (ja) * | 2001-05-25 | 2010-10-20 | 株式会社小松製作所 | 冷却用ファンの駆動制御装置 |
EP1870576B1 (en) * | 2005-04-07 | 2014-04-30 | Hitachi Construction Machinery Co., Ltd. | Cooling device for construction machine |
JP4825006B2 (ja) | 2006-01-06 | 2011-11-30 | 株式会社小松製作所 | 油圧回路の制御装置 |
JP2009024592A (ja) * | 2007-07-19 | 2009-02-05 | Caterpillar Japan Ltd | 冷却ファン駆動装置 |
SE532729C2 (sv) * | 2008-08-22 | 2010-03-23 | Scania Cv Ab | Kylsystem hos ett fordon som drivs av en förbränningsmotor |
EP2694788B1 (en) * | 2011-04-01 | 2016-03-30 | Agco Corporation | Work vehicle with a pusher airflow cooling system |
US9026255B2 (en) * | 2012-07-10 | 2015-05-05 | Deere & Company | Valve contamination dislodgement |
WO2014192172A1 (ja) * | 2013-09-19 | 2014-12-04 | 株式会社小松製作所 | 作業車両 |
-
2017
- 2017-09-26 JP JP2017185409A patent/JP6749877B2/ja active Active
-
2018
- 2018-09-04 US US16/489,795 patent/US10767342B2/en active Active
- 2018-09-04 CN CN201880014321.3A patent/CN110337533B/zh active Active
- 2018-09-04 EP EP18863778.9A patent/EP3575568B1/en active Active
- 2018-09-04 WO PCT/JP2018/032782 patent/WO2019065121A1/ja unknown
Also Published As
Publication number | Publication date |
---|---|
CN110337533A (zh) | 2019-10-15 |
WO2019065121A1 (ja) | 2019-04-04 |
US10767342B2 (en) | 2020-09-08 |
CN110337533B (zh) | 2021-05-11 |
US20200011025A1 (en) | 2020-01-09 |
JP2019060282A (ja) | 2019-04-18 |
EP3575568B1 (en) | 2023-04-19 |
EP3575568A4 (en) | 2020-11-11 |
EP3575568A1 (en) | 2019-12-04 |
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