CN110259567A - A kind of control method and system of two fast electromagnetic clutch water pumps - Google Patents
A kind of control method and system of two fast electromagnetic clutch water pumps Download PDFInfo
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- CN110259567A CN110259567A CN201910581294.4A CN201910581294A CN110259567A CN 110259567 A CN110259567 A CN 110259567A CN 201910581294 A CN201910581294 A CN 201910581294A CN 110259567 A CN110259567 A CN 110259567A
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- temperature
- electromagnetic clutch
- fast electromagnetic
- operating status
- water
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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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/162—Controlling of coolant flow the coolant being liquid by thermostatic control by cutting in and out of pumps
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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
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or 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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Transmission Device (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses the control methods and system of the fast electromagnetic clutch water pump of one kind two, are applied to engine, comprising: obtain warm wind open signal, and acquire the actual water temperature and cabin temperature of the engine;Judge whether the cabin temperature is less than default driving temperature, if the cabin temperature is less than the default driving temperature, according to the relationship of the actual water temperature of the engine and default water temperature, controls the operating status of described two fast electromagnetic clutch water pumps;If the cabin temperature is not less than the default driving temperature, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.Technical solution provided by the invention carrys out the operating status for rationally controlling two fast electromagnetic clutch water pumps by the monitoring of actual water temperature and cabin temperature to engine;Also, when cabin temperature is not less than default driving temperature, makes described two fast electromagnetic clutch water pumps and be in Half Speed operating status, and then achieve the purpose that save vehicle fuel oil.
Description
Technical field
The present invention relates to technical field of engines, more specifically, are related to the control of the fast electromagnetic clutch water pump of one kind two
Method and system processed.
Background technique
Electromagnetic clutch water pump is that electromagnetic clutch is integrated on traditional foundation for water pumps, when being powered to electromagnetic clutch,
Electromagnetic clutch disconnects Water-pump belt wheel and water pump, and water pump vane will stop operating, and coolant liquid stops flowing;When to electromagnetic clutch
When device powers off, Water-pump belt wheel drives water pump vane rotation, and coolant liquid circulates, and is equivalent to mechanical water pump at this time.Electromagnetism from
Clutch water pump is controlled by Engine ECU (Electronic Control Unit, electronic control unit), in warming-up and underload
During operation, if actual water temperature does not reach target temperature setting value in engine, electromagnetic clutch is in energized state, i.e.,
Water pump vane stops operating, and coolant liquid stops flowing, and water temperature in engine can be made to increase rapidly, shortens warm-up period, to reach
To reduction fuel consumption and reduce the purpose to discharge pollutants.In order to be further reduced fuel consumption, research staff has developed tool
There are two fast electromagnetic clutch water pumps of Half Speed rotating operation state and full speed rotating operation state both of which.But existing two
Fast electromagnetic clutch water pump is unsatisfactory in the control of cold district, can not preferably realize the purpose for reducing fuel consumption.
Summary of the invention
In view of this, effectively being solved the present invention provides the control method and system of the fast electromagnetic clutch water pump of one kind two
Existing technical problem rationally to control two speed by the monitoring of actual water temperature and cabin temperature to engine
The operating status of electromagnetic clutch water pump;Also, when cabin temperature is not less than default driving temperature, described two fast electromagnetism are made
Clutch water pump is in Half Speed operating status, and then achievees the purpose that save vehicle fuel oil.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of control method of two fast electromagnetic clutch water pumps, is applied to engine, comprising:
Warm wind open signal is obtained, and acquires the actual water temperature and cabin temperature of the engine;
Judge whether the cabin temperature is less than default driving temperature, if the cabin temperature is less than described preset and drives
When sailing temperature, then according to the relationship of the actual water temperature of the engine and default water temperature, described two fast electromagnetic clutch water are controlled
The operating status of pump;
If the cabin temperature is not less than the default driving temperature, described two fast electromagnetic clutch water pumps are controlled
In Half Speed operating status.
Optionally, according to the relationship of the actual water temperature of the engine and default water temperature, described two fast electromagnetic clutch are controlled
The operating status of device water pump, comprising:
When judging that the actual water temperature is less than the default water temperature, controls described two fast electromagnetic clutch water pumps and be in Half Speed
Operating status;
And when judging the actual water temperature not less than the default water temperature, control at described two fast electromagnetic clutch water pumps
In full speed running state.
Optionally, while starting the engine, comprising:
Judge whether urea defrosting is completed, if not completing, according to the actual water temperature of the engine and urea box electromagnetism
The relationship of valve opening temperature controls the operating status of described two fast electromagnetic clutch water pumps, wherein the urea box solenoid valve is opened
It is identical as the preset temperature to open temperature;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
Optionally, according to the relationship of the actual water temperature of the engine and urea box solenoid valve opening temperature, described in control
The operating status of two fast electromagnetic clutch water pumps, comprising:
When judging that the actual water temperature is less than the urea box solenoid valve opening temperature, described two fast electromagnetic clutch are controlled
Water pump is in Half Speed operating status;
And when judging the actual water temperature not less than the urea box solenoid valve opening temperature, described two fast electromagnetism are controlled
Clutch water pump is in full speed running state.
Optionally, in the cabin temperature not less than the default driving temperature and when the urea thaws completion,
It then controls described two fast electromagnetic clutch water pumps and is in Half Speed operating status.
Correspondingly, being applied to engine, packet the present invention also provides the control system of the fast electromagnetic clutch water pump of one kind two
It includes:
Module is obtained, the acquisition module acquires the actual water temperature of the engine for obtaining warm wind open signal
And cabin temperature;
First processing module, the first processing module is for judging whether the cabin temperature is less than default driving temperature
Degree, if the cabin temperature is less than the default driving temperature, according to the actual water temperature of the engine and default water
The relationship of temperature controls the operating status of described two fast electromagnetic clutch water pumps;
If the cabin temperature is not less than the default driving temperature, described two fast electromagnetic clutch water pumps are controlled
In Half Speed operating status.
Optionally, the first processing module is according to the actual water temperature of the engine and the relationship of default water temperature, control
The operating status of described two fast electromagnetic clutch water pumps, comprising:
When the first processing module judges that the actual water temperature is less than the default water temperature, control described two fast electromagnetism from
Clutch water pump is in Half Speed operating status;
And the first processing module controls two speed when judging the actual water temperature not less than the default water temperature
Electromagnetic clutch water pump is in full speed running state.
Optionally, the control system includes:
Second processing module, the Second processing module are used for while starting the engine, judge that urea thaws
Whether complete, if not completing, according to the relationship of the actual water temperature of the engine and urea box solenoid valve opening temperature, control
The operating status of described two fast electromagnetic clutch water pumps, wherein the urea box solenoid valve opening temperature and the preset temperature
It is identical;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
Optionally, the Second processing module is according to the actual water temperature of the engine and urea box solenoid valve opening temperature
Relationship, control the operating status of described two fast electromagnetic clutch water pumps, comprising:
When the Second processing module judges that the actual water temperature is less than the urea box solenoid valve opening temperature, institute is controlled
It states two fast electromagnetic clutch water pumps and is in Half Speed operating status;
And the Second processing module judges the actual water temperature not less than the urea box solenoid valve opening temperature
When, it controls described two fast electromagnetic clutch water pumps and is in full speed running state.
Optionally, the first processing module judge the cabin temperature not less than the default driving temperature and
When the Second processing module judges that the urea defrosting is completed, then controls described two fast electromagnetic clutch water pumps and be in Half Speed
Operating status.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides the control methods and system of the fast electromagnetic clutch water pump of one kind two, are applied to engine, comprising:
Warm wind open signal is obtained, and acquires the actual water temperature and cabin temperature of the engine;Judging the cabin temperature is
It is no to be less than default driving temperature, if the cabin temperature is less than the default driving temperature, according to the engine
The relationship of actual water temperature and default water temperature controls the operating status of described two fast electromagnetic clutch water pumps;If the driving room temperature
When degree is not less than the default driving temperature, then controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.By upper
Content is stated it is found that technical solution provided by the invention, by the monitoring of actual water temperature and cabin temperature to engine, to close
The operating status of the fast electromagnetic clutch water pump of reason control two;Also, when cabin temperature is not less than default driving temperature, institute processed
It states two fast electromagnetic clutch water pumps and is in Half Speed operating status, and then achieve the purpose that save vehicle fuel oil.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of the control method of two fast electromagnetic clutch water pump provided by the embodiments of the present application;
Fig. 2 is the flow chart of the control method of provided by the embodiments of the present application another two fast electromagnetic clutch water pumps;
Fig. 3 is the flow chart of the control method of another two fast electromagnetic clutch water pump provided by the embodiments of the present application;
Fig. 4 is the flow chart of the control method of another two fast electromagnetic clutch water pump provided by the embodiments of the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, in order to be further reduced fuel consumption, research staff has developed to rotate with Half Speed and transport
Two fast electromagnetic clutch water pumps of row state and full speed rotating operation state both of which;Wherein, when Half Speed rotating operation state
Water pump vane revolving speed when water pump vane revolving speed is less than full speed rotating operation state.But existing two fast electromagnetic clutch water pumps exist
The control of cold district is unsatisfactory, can not preferably realize the purpose for reducing fuel consumption.
Specifically, vehicle is when cold district is run, laws and regulations requirement is under certain low temperature environment, after running corresponding operating condition,
Driver's cabin defrosting is completed in 40min, and driver's cabin defrosting ability depends not only on the water temperature of engine, while also depending on and leading to
Vehicle driver's cabin warm-air drier water flow size.The judgement that current two fast electromagnetic clutch water pump speed select is engine water temperature,
Only turned entirely by water temperature height decision water pump, the requirement of the unsuitable cold district driver's cabin heating of the method for half way around.In addition, state six
Post-processing defrosting heating efficiency of the diesel engine emissions regulation also to diesel engine in cold district is made that regulation, laws and regulations requirement
The defrosting of post-processing is completed in regulation 70min, realizes urea injection.Urea box thawing rate equally depends not only on inflow urine
The coolant temperature height of plain case, also has direct relation with the water flow size for flowing into urea box.
Based on this, the embodiment of the present application provides the control method and system of the fast electromagnetic clutch water pump of one kind two, effectively
It solves existing technical problem, by the monitoring of actual water temperature and cabin temperature to engine, rationally controls
The operating status of two fast electromagnetic clutch water pumps;Also, when cabin temperature is not less than default driving temperature, two speed is made
Electromagnetic clutch water pump is in Half Speed operating status, and then achievees the purpose that save vehicle fuel oil.To achieve the above object, this Shen
Please the technical solution that provides of embodiment it is as follows, carried out with specific reference to Fig. 1 to Fig. 4 technical solution provided by the embodiments of the present application detailed
Description.
Refering to what is shown in Fig. 1, for a kind of stream of the control method of two fast electromagnetic clutch water pumps provided by the embodiments of the present application
The control method of Cheng Tu, two fast electromagnetic clutch water pumps are applied to engine, comprising:
S11, warm wind open signal is obtained, and acquires the actual water temperature and cabin temperature of the engine;
S12, judge whether the cabin temperature is less than default driving temperature, if the cabin temperature is less than described pre-
If when driving temperature, then according to the relationship of the actual water temperature of the engine and default water temperature, controlling described two fast electromagnetic clutch
The operating status of device water pump;
If the cabin temperature is not less than the default driving temperature, described two fast electromagnetic clutch water pumps are controlled
In Half Speed operating status.
In one embodiment of the application, refering to what is shown in Fig. 2, another two fast electromagnetic clutch provided by the embodiments of the present application
The flow chart of the control method of water pump, the relationship of the actual water temperature provided by the present application according to the engine and default water temperature,
Control the operating status of described two fast electromagnetic clutch water pumps, comprising:
When judging that the actual water temperature is less than the default water temperature, controls described two fast electromagnetic clutch water pumps and be in Half Speed
Operating status;
And when judging the actual water temperature not less than the default water temperature, control at described two fast electromagnetic clutch water pumps
In full speed running state.
It should be understood that technical solution provided by the embodiments of the present application, the actual water temperature for being not merely based on engine comes pair
Two fast electromagnetic clutch are controlled, while also introducing the Rule of judgment of warm wind open signal and cabin temperature, based on hair
The condition of the actual water temperature of motivation, warm wind open signal and cabin temperature controls two fast electromagnetic clutch, reaches pair
Driver's cabin heating defrosting and the purpose for saving fuel oil.
Specifically, when driver presses heater switch, Engine ECU obtains warm wind unlatching after starting engine
Signal and think the demand that driver has heating to defrost, if the actual water temperature of the engine of Engine ECU acquisition at this time be less than it is pre-
If when water temperature, in order to promote in-engine water temperature as early as possible and save fuel oil needs, controlling two fast electromagnetic clutch at this time
Water pump keeps Half Speed operating status;Then, when the actual water temperature of the engine of acquisition is not less than default water temperature, in order to real as early as possible
The purpose of existing driver's cabin heating defrosting, needs to increase the water flow size for flowing into warm-air drier, controls two fast electromagnetic clutch at this time
Water pump is full speed running state.And when Engine ECU monitors cabin temperature and is not less than default driving temperature, start
Machine ECU then judges that heating defrosting function has terminated, and in order to reduce vehicle fuel consumption, then it is extensive to control two fast electromagnetic clutch water pumps
Multiple Half Speed operating status.
Further, while starting engine, laws and regulations requirement completes urea defrosting in 70min, with reference to Fig. 3 institute
Show, for the flow chart of the control method of another two fast electromagnetic clutch water pump provided by the embodiments of the present application, wherein starting
While the engine, comprising:
S21, judge whether urea defrosting is completed, if not completing, according to the actual water temperature and urea box of the engine
The relationship of solenoid valve opening temperature controls the operating status of described two fast electromagnetic clutch water pumps, wherein the urea box electromagnetism
Valve opening temperature is identical as the preset temperature;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
In one embodiment of the application, refering to what is shown in Fig. 4, for another two fast electromagnetic clutch provided by the embodiments of the present application
The flow chart of the control method of device water pump, the actual water temperature provided by the present application according to the engine are opened with urea box solenoid valve
The relationship of temperature is opened, the operating status of described two fast electromagnetic clutch water pumps is controlled, comprising:
When judging that the actual water temperature is less than the urea box solenoid valve opening temperature, described two fast electromagnetic clutch are controlled
Water pump is in Half Speed operating status;
And when judging the actual water temperature not less than the urea box solenoid valve opening temperature, described two fast electromagnetism are controlled
Clutch water pump is in full speed running state.
It should be understood that the actual water temperature of engine is acquired after starting engine, when the actual water temperature of engine is less than
When urea box solenoid valve opening temperature, in order to promote water temperature as early as possible while be conducive to save vehicle fuel consumption, and then two speed are controlled
Electromagnetic clutch water pump carries out Half Speed operating status;When the actual water temperature of engine is not less than urea box solenoid valve opening temperature
When, engine coolant begins to flow into urea box at this time, to heat to urea box, in order to improve defrosting heating speed, needs
Increase the water flow into urea box, control two fast electromagnetic clutch water pumps at this time and carry out full speed running state, and increases stream
Enter the water flow of urea box;When urea, which thaws, to be completed, two fast electromagnetic clutch water pumps are controlled at this time and carry out Half Speed operating status,
Conducive to saving vehicle fuel oil.
It should be noted that when driver's cabin heating defrosting provided by the embodiments of the present application and urea box thaw while carrying out,
It is provided by the embodiments of the present application to be completed in the cabin temperature not less than the default driving temperature and in urea defrosting
When, then it controls described two fast electromagnetic clutch water pumps and is in Half Speed operating status;It is completed with cabin temperature not as urea thaws
When not reaching less than any one condition in default driving temperature, then continue the actual water temperature and default water temperature or urine according to engine
The relationship of plain case solenoid valve opening temperature keeps the control to two fast electromagnetic clutch water pumps.
Correspondingly, being applied to hair the embodiment of the present application also provides the control system of the fast electromagnetic clutch water pump of one kind two
The control system of motivation, two fast electromagnetic clutch water pumps includes:
Module is obtained, the acquisition module acquires the actual water temperature of the engine for obtaining warm wind open signal
And cabin temperature;
First processing module, the first processing module is for judging whether the cabin temperature is less than default driving temperature
Degree, if the cabin temperature is less than the default driving temperature, according to the actual water temperature of the engine and default water
The relationship of temperature controls the operating status of described two fast electromagnetic clutch water pumps;
If the cabin temperature is not less than the default driving temperature, described two fast electromagnetic clutch water pumps are controlled
In Half Speed operating status.
In one embodiment of the application, the first processing module provided by the present application is according to the practical water of the engine
The warm relationship with default water temperature controls the operating status of described two fast electromagnetic clutch water pumps, comprising:
When the first processing module judges that the actual water temperature is less than the default water temperature, control described two fast electromagnetism from
Clutch water pump is in Half Speed operating status;
And the first processing module controls two speed when judging the actual water temperature not less than the default water temperature
Electromagnetic clutch water pump is in full speed running state.
It should be understood that technical solution provided by the embodiments of the present application, the actual water temperature for being not merely based on engine comes pair
Two fast electromagnetic clutch are controlled, while also introducing the Rule of judgment of warm wind open signal and cabin temperature, based on hair
The condition of the actual water temperature of motivation, warm wind open signal and cabin temperature controls two fast electromagnetic clutch, reaches pair
Driver's cabin heating defrosting and the purpose for saving fuel oil.
Specifically, when driver presses heater switch, Engine ECU obtains warm wind unlatching after starting engine
Signal and think the demand that driver has heating to defrost, if the actual water temperature of the engine of Engine ECU acquisition at this time be less than it is pre-
If when water temperature, in order to promote in-engine water temperature as early as possible and save fuel oil needs, controlling two fast electromagnetic clutch at this time
Water pump keeps Half Speed operating status;Then, when the actual water temperature of the engine of acquisition is not less than default water temperature, in order to real as early as possible
The purpose of existing driver's cabin heating defrosting, needs to increase the water flow size for flowing into warm-air drier, controls two fast electromagnetic clutch at this time
Water pump is full speed running state.And when Engine ECU monitors cabin temperature and is not less than default driving temperature, start
Machine ECU then judges that heating defrosting function has terminated, and in order to reduce vehicle fuel consumption, then it is extensive to control two fast electromagnetic clutch water pumps
Multiple Half Speed operating status.
Further, while starting engine, laws and regulations requirement completes urea defrosting in 70min, the application is implemented
Example provide the control system include:
Second processing module, the Second processing module are used for while starting the engine, judge that urea thaws
Whether complete, if not completing, according to the relationship of the actual water temperature of the engine and urea box solenoid valve opening temperature, control
The operating status of described two fast electromagnetic clutch water pumps, wherein the urea box solenoid valve opening temperature and the preset temperature
It is identical;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
In one embodiment of the application, the Second processing module provided by the present application is according to the practical water of the engine
The relationship of temperature and urea box solenoid valve opening temperature controls the operating status of described two fast electromagnetic clutch water pumps, comprising:
When the Second processing module judges that the actual water temperature is less than the urea box solenoid valve opening temperature, institute is controlled
It states two fast electromagnetic clutch water pumps and is in Half Speed operating status;
And the Second processing module judges the actual water temperature not less than the urea box solenoid valve opening temperature
When, it controls described two fast electromagnetic clutch water pumps and is in full speed running state.
It should be understood that the actual water temperature of engine is acquired after starting engine, when the actual water temperature of engine is less than
When urea box solenoid valve opening temperature, in order to promote water temperature as early as possible while be conducive to save vehicle fuel consumption, and then two speed are controlled
Electromagnetic clutch water pump carries out Half Speed operating status;When the actual water temperature of engine is not less than urea box solenoid valve opening temperature
When, engine coolant begins to flow into urea box at this time, to heat to urea box, in order to improve defrosting heating speed, needs
Increase the water flow into urea box, control two fast electromagnetic clutch water pumps at this time and carry out full speed running state, and increases stream
Enter the water flow of urea box;When urea, which thaws, to be completed, two fast electromagnetic clutch water pumps are controlled at this time and carry out Half Speed operating status,
Conducive to saving vehicle fuel oil.
It is provided by the present application to judge the cabin temperature not in the first processing module in one embodiment of the application
Less than the default driving temperature and when the Second processing module judges that the urea defrosting is completed, then described two are controlled
Fast electromagnetic clutch water pump is in Half Speed operating status.
It should be noted that when driver's cabin heating defrosting provided by the embodiments of the present application and urea box thaw while carrying out,
It is provided by the embodiments of the present application to be completed in the cabin temperature not less than the default driving temperature and in urea defrosting
When, then it controls described two fast electromagnetic clutch water pumps and is in Half Speed operating status;It is completed with cabin temperature not as urea thaws
When not reaching less than any one condition in default driving temperature, then continue the actual water temperature and default water temperature or urine according to engine
The relationship of plain case solenoid valve opening temperature keeps the control to two fast electromagnetic clutch water pumps.
The embodiment of the present application provides the control method and system of the fast electromagnetic clutch water pump of one kind two, applied to starting
Machine, comprising: obtain warm wind open signal, and acquire the actual water temperature and cabin temperature of the engine;Judge the driving
Whether room temperature is less than default driving temperature, if the cabin temperature is less than the default driving temperature, according to
The relationship of the actual water temperature of engine and default water temperature controls the operating status of described two fast electromagnetic clutch water pumps;If described
When cabin temperature is not less than the default driving temperature, then controls described two fast electromagnetic clutch water pumps and be in Half Speed operation shape
State.As shown in the above, technical solution provided by the embodiments of the present application by the actual water temperature to engine and drives room temperature
The monitoring of degree carrys out the operating status for rationally controlling two fast electromagnetic clutch water pumps;Also, it is driven in cabin temperature not less than default
When sailing temperature, makes described two fast electromagnetic clutch water pumps and be in Half Speed operating status, and then achieve the purpose that save vehicle fuel oil.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. the control method of the fast electromagnetic clutch water pump of one kind two, is applied to engine characterized by comprising
Warm wind open signal is obtained, and acquires the actual water temperature and cabin temperature of the engine;
Judge whether the cabin temperature is less than default driving temperature, if the cabin temperature is less than the default driving temperature
When spending, then according to the relationship of the actual water temperature of the engine and default water temperature, described two fast electromagnetic clutch water pumps are controlled
Operating status;
If the cabin temperature is not less than the default driving temperature, controls described two fast electromagnetic clutch water pumps and be in
Half Speed operating status.
2. the control method of according to claim 1 two fast electromagnetic clutch water pumps, which is characterized in that started according to described
The relationship of the actual water temperature of machine and default water temperature controls the operating status of described two fast electromagnetic clutch water pumps, comprising:
When judging that the actual water temperature is less than the default water temperature, controls described two fast electromagnetic clutch water pumps and be in Half Speed operation
State;
And when judging the actual water temperature not less than the default water temperature, controls described two fast electromagnetic clutch water pumps and be in complete
Fast operating status.
3. the control method of according to claim 1 two fast electromagnetic clutch water pumps, which is characterized in that starting the hair
While motivation, comprising:
Judge whether urea defrosting is completed, if not completing, is opened according to the actual water temperature of the engine and urea box solenoid valve
The relationship of temperature is opened, controls the operating status of described two fast electromagnetic clutch water pumps, wherein the urea box solenoid valve opens temperature
It spends identical as the preset temperature;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
4. the control method of according to claim 3 two fast electromagnetic clutch water pumps, which is characterized in that started according to described
The actual water temperature of machine and the relationship of urea box solenoid valve opening temperature control the operation shape of described two fast electromagnetic clutch water pumps
State, comprising:
When judging that the actual water temperature is less than the urea box solenoid valve opening temperature, described two fast electromagnetic clutch water pumps are controlled
In Half Speed operating status;
And when judging the actual water temperature not less than the urea box solenoid valve opening temperature, described two fast electromagnetic clutch are controlled
Device water pump is in full speed running state.
5. the control method of according to claim 3 two fast electromagnetic clutch water pumps, which is characterized in that in the driver's cabin
Temperature then controls described two fast electromagnetic clutch water not less than the default driving temperature and when the urea thaws completion
Pump is in Half Speed operating status.
6. the control system of the fast electromagnetic clutch water pump of one kind two, is applied to engine characterized by comprising
Module is obtained, the acquisition module acquires the actual water temperature of the engine and drive for obtaining warm wind open signal
Sail room temperature;
First processing module, the first processing module for judging whether the cabin temperature is less than default driving temperature,
If the cabin temperature is less than the default driving temperature, according to the actual water temperature of the engine and default water temperature
Relationship controls the operating status of described two fast electromagnetic clutch water pumps;
If the cabin temperature is not less than the default driving temperature, controls described two fast electromagnetic clutch water pumps and be in
Half Speed operating status.
7. the control system of according to claim 6 two fast electromagnetic clutch water pumps, which is characterized in that first processing
Module controls the operation of described two fast electromagnetic clutch water pumps according to the actual water temperature of the engine and the relationship of default water temperature
State, comprising:
When the first processing module judges that the actual water temperature is less than the default water temperature, described two fast electromagnetic clutch are controlled
Water pump is in Half Speed operating status;
And the first processing module controls described two fast electromagnetism when judging the actual water temperature not less than the default water temperature
Clutch water pump is in full speed running state.
8. the control system of according to claim 6 two fast electromagnetic clutch water pumps, which is characterized in that the control system
Include:
Second processing module, the Second processing module are used for while starting the engine, judge whether urea thaws
It completes, if not completing, according to the relationship of the actual water temperature of the engine and urea box solenoid valve opening temperature, described in control
The operating status of two fast electromagnetic clutch water pumps, wherein the urea box solenoid valve opening temperature is identical as the preset temperature;
If completing, controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
9. the control system of according to claim 8 two fast electromagnetic clutch water pumps, which is characterized in that the second processing
Module controls described two fast electromagnetic clutch according to the actual water temperature of the engine and the relationship of urea box solenoid valve opening temperature
The operating status of device water pump, comprising:
When the Second processing module judges that the actual water temperature is less than the urea box solenoid valve opening temperature, control described two
Fast electromagnetic clutch water pump is in Half Speed operating status;
And the Second processing module is when judging the actual water temperature not less than the urea box solenoid valve opening temperature,
It controls described two fast electromagnetic clutch water pumps and is in full speed running state.
10. the control system of according to claim 8 two fast electromagnetic clutch water pumps, which is characterized in that described first
Processing module judge the cabin temperature not less than the default driving temperature and the Second processing module judgement described in
When urea defrosting is completed, then controls described two fast electromagnetic clutch water pumps and be in Half Speed operating status.
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