CN112282916A - Control method of reversing fan of diesel engine - Google Patents
Control method of reversing fan of diesel engine Download PDFInfo
- Publication number
- CN112282916A CN112282916A CN202011174001.XA CN202011174001A CN112282916A CN 112282916 A CN112282916 A CN 112282916A CN 202011174001 A CN202011174001 A CN 202011174001A CN 112282916 A CN112282916 A CN 112282916A
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- Prior art keywords
- temperature
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- fan
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Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/005—Controlling temperature of lubricant
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- 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
- F01P7/06—Controlling of coolant flow the coolant being cooling-air by varying blade pitch
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a control method of a reversing fan of a diesel engine, which is characterized by comprising the following steps: the method comprises a temperature calculation management method, a gear strategy setting method and an operation time management method of each gear. The invention has the advantages of high automation degree, multiple fan gears, strong stability, energy saving, environmental protection and fuel consumption reduction.
Description
Technical Field
The invention relates to the field of engines, in particular to a control method of a reversing fan of a diesel engine.
Background
Reversing fans applied to the existing diesel engine are mostly hydraulic reversing fans and non-hydraulic reversing fans, the existing hydraulic reversing fans need to be manually operated to reverse or regularly reverse, the automation degree is low, the cost is high, the reliability is poor, manual operation is needed, and the adaptability is poor; the non-hydraulic reversing fan control means is manual activation reversing or timing reversing, the automation degree is low, the adaptability is poor, the energy consumption is high, the two conventional reversing fans only have two working modes of forward and reverse, and the automatic control cannot be carried out according to the temperature of an engine.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a control method of a reversing fan of a diesel engine.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a control method of a reversing fan of a diesel engine is characterized by comprising the following steps: the method comprises the following steps:
s1: the temperature calculation management method comprises the following steps: get big processing (considering machine oil temperature and coolant temperature difference, consequently the machine oil temperature value is compared after carrying out the deviation with the temperature) to diesel engine coolant temperature and lubricating oil temperature (machine oil temperature-deviation value), the deviation value of setting is 25 ℃, the lubricating oil temperature value of calculation is: the temperature of the engine oil is-25 ℃; when one of the two sensors, namely the water temperature sensor and the engine oil temperature sensor, fails, the numerical value of the failed sensor does not participate in temperature calculation; when the temperature sensor and the engine oil temperature sensor both have faults, the operation mode of the fan is a full-speed air suction cooling mode;
s2: the gear strategy setting method comprises the following steps: setting different fan gears according to different temperatures; the energy-saving control system comprises an idle gear (the angle of a fan blade is parallel to the steering direction), a forward energy-saving gear, a maximum forward gear and two reverse gears; temperature redundancy range processing is required to avoid frequent gear shifting during temperature switching gear control, and meanwhile, the temperature control gear switching is carried out within a certain temperature range;
s3: the operating time management method for each gear comprises the following steps: when the temperature is in the temperature range of the reverse gear, time management is carried out on entering the reverse gear mode and the forward air cooling mode; switching the maximum air cooling instruction after the running time of the reverse gear is up; switching to a reversing instruction after the air cooling instruction reaches the target operation time; and when the temperature is lower than the reversing gear temperature range, sending an air cooling gear instruction, an energy-saving gear instruction or a idle gear instruction according to the current temperature.
Compared with the prior art, the invention has the advantages and beneficial effects that:
the invention realizes the control of automatically controlling the angle of the fan blade according to the temperature of the cooling liquid and the temperature of the engine oil, can improve the automation and intelligence level of the engine, can automatically calculate and output a control signal to change the angle of the fan blade according to the temperature of the cooling liquid and the temperature of the engine oil by an engine controller, realizes the automatic control, can control the angle of the fan blade to be parallel to the steering direction under the working condition of lower temperature of the engine, reduces the consumed work of the fan, further reduces the fuel consumption, realizes the energy saving and the oil saving, and has the advantages of high automation degree, more fan gears, strong stability, energy saving, environmental protection and fuel.
Drawings
Fig. 1 is a specific logic diagram of the reversing fan function activation of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
As shown in fig. 1, the method for controlling a reversing fan of a diesel engine is characterized in that: the method comprises the following steps:
s1: the temperature calculation management method comprises the following steps: get big processing (considering machine oil temperature and coolant temperature difference, consequently the machine oil temperature value is compared after carrying out the deviation with the temperature) to diesel engine coolant temperature and lubricating oil temperature (machine oil temperature-deviation value), the deviation value of setting is 25 ℃, the lubricating oil temperature value of calculation is: the temperature of the engine oil is-25 ℃; when one of the two sensors, namely the water temperature sensor and the engine oil temperature sensor, fails, the numerical value of the failed sensor does not participate in temperature calculation; when the temperature sensor and the engine oil temperature sensor both have faults, the operation mode of the fan is a full-speed air suction cooling mode;
s2: the gear strategy setting method comprises the following steps: setting different fan gears according to different temperatures; the energy-saving control system comprises an idle gear (the angle of a fan blade is parallel to the steering direction), a forward energy-saving gear, a maximum forward gear and two reverse gears; temperature redundancy range processing is required to avoid frequent gear shifting during temperature switching gear control, and meanwhile, the temperature control gear switching is carried out within a certain temperature range;
s3: the operating time management method for each gear comprises the following steps: when the temperature is in the temperature range of the reverse gear, time management is carried out on entering the reverse gear mode and the forward air cooling mode; switching the maximum air cooling instruction after the running time of the reverse gear is up; switching to a reversing instruction after the air cooling instruction reaches the target operation time; and when the temperature is lower than the reversing gear temperature range, sending an air cooling gear instruction, an energy-saving gear instruction or a idle gear instruction according to the current temperature.
The foregoing is a more detailed description of the invention in connection with specific/preferred embodiments and is not intended to limit the practice of the invention to those descriptions. It will be apparent to those skilled in the art that various substitutions and modifications can be made to the described embodiments without departing from the spirit of the invention, and such substitutions and modifications are to be considered as within the scope of the invention.
Claims (1)
1. A control method of a reversing fan of a diesel engine is characterized by comprising the following steps: the method comprises the following steps:
s1: the temperature calculation management method comprises the following steps: get big processing (considering machine oil temperature and coolant temperature difference, consequently the machine oil temperature value is compared after carrying out the deviation with the temperature) to diesel engine coolant temperature and lubricating oil temperature (machine oil temperature-deviation value), the deviation value of setting is 25 ℃, the lubricating oil temperature value of calculation is: the temperature of the engine oil is-25 ℃; when one of the two sensors, namely the water temperature sensor and the engine oil temperature sensor, fails, the numerical value of the failed sensor does not participate in temperature calculation; when the temperature sensor and the engine oil temperature sensor both have faults, the operation mode of the fan is a full-speed air suction cooling mode;
s2: the gear strategy setting method comprises the following steps: setting different fan gears according to different temperatures; the energy-saving control system comprises an idle gear (the angle of a fan blade is parallel to the steering direction), a forward energy-saving gear, a maximum forward gear and two reverse gears; temperature redundancy range processing is required to avoid frequent gear shifting during temperature switching gear control, and meanwhile, the temperature control gear switching is carried out within a certain temperature range;
s3: the operating time management method for each gear comprises the following steps: when the temperature is in the temperature range of the reverse gear, time management is carried out on entering the reverse gear mode and the forward air cooling mode; switching the maximum air cooling instruction after the running time of the reverse gear is up; switching to a reversing instruction after the air cooling instruction reaches the target operation time; and when the temperature is lower than the reversing gear temperature range, sending an air cooling gear instruction, an energy-saving gear instruction or a idle gear instruction according to the current temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174001.XA CN112282916A (en) | 2020-10-28 | 2020-10-28 | Control method of reversing fan of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011174001.XA CN112282916A (en) | 2020-10-28 | 2020-10-28 | Control method of reversing fan of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112282916A true CN112282916A (en) | 2021-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011174001.XA Pending CN112282916A (en) | 2020-10-28 | 2020-10-28 | Control method of reversing fan of diesel engine |
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| CN (1) | CN112282916A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101218421A (en) * | 2005-07-06 | 2008-07-09 | 株式会社小松制作所 | Control apparatus and control method for hydraulically driven cooling fan |
| CN204024791U (en) * | 2014-08-15 | 2014-12-17 | 徐工集团工程机械股份有限公司科技分公司 | There is the loader independent heat dissipation control system of reverse function |
| CN104832270A (en) * | 2014-06-23 | 2015-08-12 | 北汽福田汽车股份有限公司 | Automatic dust removing method, automatic dust removing system and vehicle |
| CN106150662A (en) * | 2016-06-22 | 2016-11-23 | 中联重机股份有限公司 | ECT control method, controller and control system |
| CN111485986A (en) * | 2020-03-26 | 2020-08-04 | 潍柴动力股份有限公司 | Control method and control device for engine cooling system and engine cooling system |
| WO2020195013A1 (en) * | 2019-03-25 | 2020-10-01 | 日立建機株式会社 | Work vehicle |
-
2020
- 2020-10-28 CN CN202011174001.XA patent/CN112282916A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101218421A (en) * | 2005-07-06 | 2008-07-09 | 株式会社小松制作所 | Control apparatus and control method for hydraulically driven cooling fan |
| CN104832270A (en) * | 2014-06-23 | 2015-08-12 | 北汽福田汽车股份有限公司 | Automatic dust removing method, automatic dust removing system and vehicle |
| CN204024791U (en) * | 2014-08-15 | 2014-12-17 | 徐工集团工程机械股份有限公司科技分公司 | There is the loader independent heat dissipation control system of reverse function |
| CN106150662A (en) * | 2016-06-22 | 2016-11-23 | 中联重机股份有限公司 | ECT control method, controller and control system |
| WO2020195013A1 (en) * | 2019-03-25 | 2020-10-01 | 日立建機株式会社 | Work vehicle |
| CN111485986A (en) * | 2020-03-26 | 2020-08-04 | 潍柴动力股份有限公司 | Control method and control device for engine cooling system and engine cooling system |
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Application publication date: 20210129 |
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