CN107664057A - A kind of control device of engine-cooling system, control method and vehicle - Google Patents
A kind of control device of engine-cooling system, control method and vehicle Download PDFInfo
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- CN107664057A CN107664057A CN201610611228.3A CN201610611228A CN107664057A CN 107664057 A CN107664057 A CN 107664057A CN 201610611228 A CN201610611228 A CN 201610611228A CN 107664057 A CN107664057 A CN 107664057A
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- water tank
- engine
- value
- solenoid valve
- temperature
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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
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
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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
- F01P2007/143—Controlling of coolant flow the coolant being liquid using restrictions
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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
- F01P2025/00—Measuring
- F01P2025/60—Operating parameters
- F01P2025/66—Vehicle speed
-
- 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
- F01P2037/00—Controlling
- F01P2037/02—Controlling starting
-
- 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
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of control device of engine-cooling system, control method and vehicle, the control device includes：Engine start state acquisition module, the engine start block of state are used for the starting state for obtaining engine, and the starting state of engine includes the operating variable value of engine；Water tank temperature monitoring modular, the water tank temperature monitoring modular are used for the real time temperature for monitoring water tank；Water tank temperature changing value computing module, calculate temperature change value of the water tank in nominal time interval；And control module, when operating variable value represents that engine is changed into inoperative from operating, and temperature change value of the water tank in nominal time interval is less than calibration value, the control module controls coolant to be not passed through water tank.Control device according to embodiments of the present invention, improve the cold starting performance and discharge performance of automobile on the premise of extra device is not increased.
Description
Technical field
The present invention relates to a kind of control device of engine-cooling system, control method and vehicle.
Background technology
Heat engine process is long when long-time cold starts, and can deteriorate startability and emission performance.Prior art discloses one
Increase the heating system of heat regenerator kind on the discharging unit for discharging (catalyst) of vehicle exhaust, the device can be with
Improve the cold starting performance and discharge performance of automobile.But the technology adds extra device, improves cost.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.Therefore, the present invention
First purpose is to propose a kind of control device of engine-cooling system, improved on the premise of extra device is not increased
The cold starting performance and discharge performance of automobile.
Second object of the present invention is to propose a kind of control method of engine-cooling system.
Third object of the present invention is to propose a kind of vehicle.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of control device of engine-cooling system,
Including：Engine start state acquisition module, the engine start block of state are used for the starting state for obtaining engine, hair
The starting state of motivation includes the operating variable value of engine；Water tank temperature monitoring modular, the water tank temperature monitoring modular are used
In the real time temperature of monitoring water tank；Water tank temperature changing value computing module, calculate temperature of the water tank in nominal time interval and become
Change value；And control module, when operating variable value represents that engine is changed into inoperative from operating, and water tank is between the nominal time
When interior temperature change value is less than calibration value, the control module control coolant is not passed through water tank.
Control device according to embodiments of the present invention, coolant can be controlled to be not passed through water tank in engine misses, profit
With the heat of water tank storage coolant, so that engine is again started up needing using during heat engine, the time of heat engine is reduced, is not being increased
Improve the cold starting performance and discharge performance of automobile on the premise of adding extra device.
According to one embodiment of present invention, the control device also includes speed information acquisition module, the speed letter
Cease acquisition module and obtain speed variate-value, the starting state of engine also includes the startup variate-value of engine, works as operating variable
Value expression engine operating, starts variate-value and represents engine start success, and speed variate-value is more than or equal to zero, described
Control module control coolant flows through water tank.
According to one embodiment of present invention, when operating variable value represents engine operating, startup variate-value represents to start
Machine starts, and when the real-time temperature of water tank is more than or equal to the temperature of demarcation, control module control coolant flows through water
Case；When operating variable value represents engine operating, startup variate-value represents engine start, and the real-time temperature of water tank is less than
During the temperature of demarcation, the control module control coolant is not passed through water tank.
According to the new one embodiment of the present invention, the engine-cooling system includes：Water tank, water inlet pipe, water inlet
Magnetic valve, outlet pipe, water outlet solenoid valve, Bypass hose and Bypass hose magnetic valve, water inlet pipe and outlet pipe respectively with water tank
Connection, is connected with Bypass hose, water inlet solenoid valve is arranged in water inlet pipe, water outlet solenoid valve between water inlet pipe and outlet pipe
Be arranged in outlet pipe, Bypass hose magnetic valve is arranged in Bypass hose, control module by open water inlet solenoid valve and
Water outlet solenoid valve and closing Bypass hose solenoid valve control coolant flow through water tank, and control module is by closing water inlet electricity
Magnet valve and water outlet solenoid valve and opening Bypass hose solenoid valve control coolant are not passed through water tank by Bypass hose.
According to one embodiment of present invention, it is all covered with being incubated on water tank, water inlet solenoid valve and water outlet solenoid valve
Material.
To reach above-mentioned purpose, second aspect of the present invention embodiment proposes a kind of controlling party of engine-cooling system
Method, comprise the following steps：Obtain the operating variable value of engine；Monitor the real-time temperature of water tank；Water tank is calculated in the nominal time
Temperature change value in interval；When operating variable value represents that engine is changed into inoperative from operating, and water tank is in the nominal time
When temperature change value in interval is less than calibration value, control coolant is not passed through water tank.
Control method according to embodiments of the present invention, coolant can be controlled to be not passed through water tank in engine misses, profit
With the heat of water tank storage coolant, so that engine is again started up needing using during heat engine, the time of heat engine is reduced, is not being increased
Improve the cold starting performance and discharge performance of automobile on the premise of adding extra device.
According to one embodiment of present invention, the control method also includes startup variate-value and the acquisition for obtaining engine
Speed variate-value, when the operating variable value of engine represents engine operating, the variate-value that starts of engine represents engine
Start successfully, and speed variate-value is more than or equal to zero, and control coolant flows through water tank.
According to one embodiment of present invention, when operating variable value represents engine operating, startup variate-value represents to start
Machine start when, and the real-time temperature of water tank be more than or equal to demarcation temperature when, control coolant flow through water tank；When operating becomes
Value represents engine operating, and when starting variate-value expression engine start, and the real-time temperature of water tank is less than the temperature of demarcation
When spending, control coolant is not passed through water tank.
According to one embodiment of present invention, the engine-cooling system includes：Water tank, water inlet pipe, water inlet electromagnetism
Valve, outlet pipe, water outlet solenoid valve, Bypass hose and Bypass hose magnetic valve, water inlet pipe and outlet pipe are connected with water tank respectively,
Bypass hose is connected between water inlet pipe and outlet pipe, water inlet solenoid valve is arranged in water inlet pipe, and water outlet solenoid valve is set
In outlet pipe, Bypass hose magnetic valve is arranged in Bypass hose, by opening water inlet solenoid valve and water outlet solenoid valve
And close Bypass hose solenoid valve control coolant flow through water tank, by close water inlet solenoid valve and water outlet solenoid valve with
And open Bypass hose solenoid valve control coolant and be not passed through water tank by Bypass hose.
To reach above-mentioned purpose, third aspect present invention embodiment proposes a kind of vehicle, and the vehicle includes the present invention the
The control device that one side embodiment proposes.
According to the vehicle of new embodiment of the present invention, coolant can be controlled to be not passed through water tank in engine misses, profit
With the heat of water tank storage coolant, so that engine is again started up needing using during heat engine, the time of heat engine is reduced, is not being increased
Improve the cold starting performance and discharge performance of automobile on the premise of adding extra device.
Brief description of the drawings
Fig. 1 is the block diagram of one embodiment of the control device of inventive engine cooling system；
Fig. 2 is the block diagram of another embodiment of the control device of inventive engine cooling system；
Fig. 3 is the block diagram of the vehicle of the embodiment of the present invention；
Fig. 4 is the part-structure schematic diagram of the engine-cooling system of the embodiment of the present invention；
Fig. 5 is the part-structure schematic diagram of the engine-cooling system when coolant of one embodiment of the invention flows through water tank,
Arrow represents the flow direction of coolant；
Fig. 6 is that the part-structure of the engine-cooling system when coolant of one embodiment of the invention is not passed through water tank is illustrated
Figure, arrow represent the flow direction of coolant；
Fig. 7 is the flow chart of the control method of the engine-cooling system of the embodiment of the present invention；
Fig. 8 is the flow chart of the control method of the engine-cooling system of another embodiment of the present invention；
Fig. 9 is the flow chart of the control method of the engine-cooling system of another embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The control device of engine-cooling system of proposition of the embodiment of the present invention, control method described with reference to the accompanying drawings
And vehicle.
Fig. 1 is the block diagram of one embodiment of the control device of inventive engine cooling system, such as Fig. 1 institutes
Show, the control device of engine-cooling system, including：Engine start state acquisition module 20, engine start block of state
20 starting state for obtaining engine, the starting state of engine include the operating variable value of engine；Water tank temperature is supervised
Module 30 is surveyed, water tank temperature monitoring modular 30 is used for the real time temperature for monitoring water tank；Water tank temperature changing value computing module 40, meter
Calculate temperature change value of the water tank in nominal time interval；And control module 10, when operating variable value represents engine from fortune
It is changed into inoperative, and when temperature change value of the water tank in nominal time interval is less than calibration value, control module 10 controls
Coolant is not passed through water tank.
Water tank temperature monitoring modular 30 obtains the real time temperature of water tank, water tank temperature changing value by water tank temperature sensor
Computing module 40 calculates the temperature change value in nominal time interval according to the real time temperature of water tank, and the nominal time, interval was by water tank
The sample frequency of temperature sensor determines that calibration value can be set to zero, show that the real-time temperature of water tank is begun to decline.Now start
When machine is in flameout state, for coolant without water tank, the coolant in water tank is not involved in the cooling circulation of engine, water tank handle
The heat of coolant or the waste heat of engine store i.e. water tank heat storage, so that engine is again started up needing making during heat engine
With.When engine heat engine again, the coolant in water tank possesses higher temperature, and the heat engine that can reduce engine is born
Lotus.
Further, as shown in Fig. 2 control device 10 also includes speed information acquisition module 50, speed information obtains mould
Block 50 obtains speed variate-value, and the starting state of engine also includes the startup variate-value of engine, when operating variable value represents
Engine operates, and starts variate-value and represents engine start success, and speed variate-value is more than or equal to zero, control module 10
Control coolant flows through water tank.The rotation that engine start block of state 20 passes through automobile key is opening and closing or the car of starting switch
Power-up state obtain engine operating variable value, speed information acquisition module by crankshaft rotational speed sensor signal obtain speed
Variate-value.Speed variate-value is more than and does not represent driving cycle and idling operation equal to zero.After now engine is in startup
To the stage before flame-out, now coolant pass through water tank, and the cooling that the coolant in water tank participates in engine circulates.
Further, when operating variable value represents engine operating, startup variate-value represents engine start, and water tank
When real-time temperature is more than or equal to the temperature of demarcation, control module 10 controls coolant to flow through water tank；When operating variable value table
Show engine operate, start variate-value represent engine start, and the real-time temperature of water tank be less than demarcation temperature when, control
Module 10 controls coolant to be not passed through water tank.Water tank temperature monitoring modular 30 is real-time by water tank temperature sensor acquisition water tank
Temperature, the temperature of demarcation determine that the engine warms most short time can make to start by the engine warms most short time
Machine coolant is warming up to the time used in 60 degree for 20 degree from standard ambient temperature.During engine start and the real-time temperature of water tank is more than
Or equal to demarcation temperature when, now engine needs to cool down, the coolant flow in water tank, and during engine start and water tank is real
When temperature be less than demarcation temperature when, now engine need not cool down, and the coolant in water tank does not flow.
Especially, it should be noted that as shown in figure 4, engine-cooling system includes：Water tank 1, water inlet pipe 2, water inlet electricity
Magnet valve 5, outlet pipe 3, water outlet solenoid valve 6, Bypass hose 4, Bypass hose magnetic valve 7 and temperature sensor 8, the He of water inlet pipe 2
Outlet pipe 3 is connected with water tank 1 respectively, water inlet pipe 2 and outlet pipe 3 between be connected with Bypass hose 4, water inlet solenoid valve sets 5 and put
In water inlet pipe, water outlet solenoid valve 6 is arranged in outlet pipe, and Bypass hose magnetic valve 7 is arranged in Bypass hose 4, temperature
Spend sensor 8 to be arranged in water tank 1, as shown in figure 5, control module 10 is by opening water inlet solenoid valve 5 and delivery port electromagnetism
Valve 6 and close Bypass hose magnetic valve 7 and control coolant to flow through water tank 1, as shown in fig. 6, control module 10 by close into
Mouth of a river magnetic valve 5 and water outlet solenoid valve 6 and open Bypass hose magnetic valve 7 control coolant by Bypass hose 4 without
Flow through water tank 1.
Preferably, it is all covered with insulation material on water tank, water inlet solenoid valve and water outlet solenoid valve.Water tank has insulation
Function, water inlet solenoid valve and water outlet solenoid valve also have heat-insulated effect except control coolant disengaging.Further, it is also possible to adopt
With the water tank of big volume, the water tank of big volume can ensure that the sufficient supply of coolant and coolant are longer in radiator delay
Time, so as to ensure that the refrigerating function of engine-cooling system and heat accumulation function are stable.
Engine-cooling system according to embodiments of the present invention, coolant can be controlled to utilize water tank without water tank
Heat insulation function stores the heat of coolant, so that engine is again started up needing using during heat engine, the time of heat engine is reduced, not
Improve the cold starting performance and discharge performance of automobile on the premise of increasing extra device.
Another aspect of the present invention embodiment proposes a kind of control method of engine-cooling system, and Fig. 7 is of the invention real
The flow chart of the control method of the engine-cooling system of example is applied, as shown in fig. 7, the control method of engine-cooling system includes
Following steps：Obtain the operating variable value of engine；Monitor the real-time temperature of water tank；Water tank is calculated in nominal time interval
Temperature change value；When operating variable value represents that engine is changed into inoperative from operating, and water tank is in nominal time interval
When temperature change value is less than calibration value, control coolant is not passed through water tank.The real-time of water tank is obtained by water tank temperature sensor
Temperature, the temperature change value in nominal time interval is calculated according to the real time temperature of water tank, the nominal time, interval was by water tank temperature
The sample frequency of sensor determines that calibration value can be set to zero, show that the real-time temperature of water tank is begun to decline.Now at engine
When flameout state, coolant is without water tank, and the coolant in water tank is not involved in the cooling circulation of engine, and water tank is cooling
The heat of liquid or the waste heat of engine store i.e. water tank heat storage, so that engine is again started up needing using during heat engine.When
Engine again heat engine when, the coolant in water tank possesses higher temperature, can reduce the heat engine load of engine.
Further, as shown in figure 8, control method also includes obtaining the startup variate-value of engine and obtains speed variable
Value, when the operating variable value of engine represents engine operating, the startup variate-value of engine represents the startup success of engine,
And speed variate-value is more than or equal to zero, and control coolant flows through water tank.Rotation by automobile key is starting switch
The power-up state of opening and closing or car obtains the operating variable value of engine, and speed information acquisition module is by crankshaft rotational speed sensor signal
Obtain speed variate-value.Speed variate-value is more than and does not represent driving cycle and idling operation equal to zero.Now at engine
To the stage before flame-out after the startup, now coolant pass through water tank, and the cooling that the coolant in water tank participates in engine circulates.
Further, as shown in figure 9, when the operating variable value of engine represents engine operating, the startup variate-value of engine
Represent engine start when, and the real-time temperature of water tank be more than or equal to demarcation temperature when, control coolant pass through water tank；
When the operating variable value expression engine operating of engine, the startup variate-value expression engine start of engine, and water
When the real-time temperature of case is less than the temperature of demarcation, control coolant is without water tank.Water tank is obtained by water tank temperature sensor
Real-time temperature, the temperature of demarcation can be by the most short time determination of engine warms, engine warms most short time
Engine coolant is set to be warming up to the time used in 60 degree for 20 degree from standard ambient temperature.During engine start and water tank is warm in real time
Degree more than or equal to demarcation temperature when, now engine needs to cool down, the coolant flow in water tank, during engine start and
When the real-time temperature of water tank is less than the temperature of demarcation, now engine need not cool down, and the coolant in water tank does not flow.
According to one embodiment of present invention, as shown in figure 4, engine-cooling system includes：Water tank, water inlet pipe, water inlet
Mouthful magnetic valve, outlet pipe, water outlet solenoid valve, Bypass hose, Bypass hose magnetic valve and temperature sensor 8, water inlet pipe and go out
Water pipe is connected with water tank respectively, and Bypass hose is connected between water inlet pipe and outlet pipe, and water inlet solenoid valve is arranged on water inlet pipe
In, water outlet solenoid valve is arranged in outlet pipe, and Bypass hose magnetic valve is arranged in Bypass hose, and temperature sensor 8 is installed
In water tank 1, as shown in figure 5, by opening water inlet solenoid valve and water outlet solenoid valve and closing Bypass hose magnetic valve
Control coolant flows through water tank, as shown in fig. 6, by closing water inlet solenoid valve and water outlet solenoid valve and opening bypass water
Pipe solenoid valve control coolant is not passed through water tank by Bypass hose.
According to the present invention engine-cooling system control method, can control coolant in engine misses without
Water tank is crossed, the heat of coolant is stored using the heat insulation function of water tank, so that engine is again started up needing using during heat engine, subtracts
The time of few heat engine, improve the cold starting performance and discharge performance of automobile on the premise of extra device is not increased.
In addition, as shown in figure 3, embodiments of the invention also proposed a kind of vehicle, it includes above-mentioned engine cool
The control device of system.
Vehicle according to embodiments of the present invention, coolant can be controlled, without water tank, to utilize water in engine misses
The heat of the heat insulation function storage coolant of case, so that engine is again started up needing using during heat engine, reduces the time of heat engine,
Improve the cold starting performance and discharge performance of automobile on the premise of extra device is not increased.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Different embodiments or example and the feature of different embodiments or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. control device of engine-cooling system, it is characterised in that including：Engine start state acquisition module, the engine start block of state are used for the starting state for obtaining engine, hair The starting state of motivation includes the operating variable value of engine；Water tank temperature monitoring modular, the water tank temperature monitoring modular are used for the real time temperature for monitoring water tank；Water tank temperature changing value computing module, calculate temperature change value of the water tank in nominal time interval；AndControl module, when operating variable value represents that engine is changed into inoperative from operating, and water tank is in nominal time interval Temperature change value when being less than calibration value, the control module control coolant is not passed through water tank.
- 2. control device as claimed in claim 1, it is characterised in that the control device also includes speed information and obtains mould Block, the speed information acquisition module obtain speed variate-value, and the starting state of engine also includes the startup variable of engine Value, when operating variable value represents engine operating, startup variate-value represents engine start success, and speed variate-value is more than Or equal to zero, the control module control coolant flows through water tank.
- 3. control device as claimed in claim 2, it is characterised in that when operating variable value represents engine operating, startup becomes Value represents engine start, and when the real-time temperature of water tank is more than or equal to the temperature of demarcation, control module control Coolant flows through water tank；When operating variable value represents engine operating, startup variate-value represents engine start, and water tank is real When temperature when being less than the temperature of demarcation, control module control coolant is not passed through water tank.
- 4. control device as claimed in claim 1, it is characterised in that the engine-cooling system includes：Water tank, water inlet Pipe, water inlet solenoid valve, outlet pipe, water outlet solenoid valve, Bypass hose and Bypass hose magnetic valve, water inlet pipe and outlet pipe point It is not connected with water tank, Bypass hose is connected between water inlet pipe and outlet pipe, water inlet solenoid valve is arranged in water inlet pipe, water outlet Mouth magnetic valve is arranged in outlet pipe, and Bypass hose magnetic valve is arranged in Bypass hose, and control module is by opening water inlet Magnetic valve and water outlet solenoid valve and closing Bypass hose solenoid valve control coolant flow through water tank, and control module passes through closing Water inlet solenoid valve and water outlet solenoid valve and opening Bypass hose solenoid valve control coolant pass through Bypass hose without flowing Through water tank.
- 5. control device as claimed in claim 4, it is characterised in that on water tank, water inlet solenoid valve and water outlet solenoid valve It is all covered with insulation material.
- 6. a kind of control method of engine-cooling system, it is characterised in that comprise the following steps：Obtain the operating variable value of engine；Monitor the real-time temperature of water tank；Calculate temperature change value of the water tank in nominal time interval；When operating variable value represents that engine is changed into inoperative from operating, and temperature change of the water tank in nominal time interval When value is less than calibration value, control coolant is not passed through water tank.
- 7. control method as claimed in claim 6, it is characterised in that the control method also includes the startup for obtaining engine Variate-value and acquisition speed variate-value, when the operating variable value of engine represents engine operating, the startup variate-value of engine The startup success of engine is represented, and speed variate-value is more than or equal to zero, and control coolant flows through water tank.
- 8. control method as claimed in claim 7, it is characterised in that when operating variable value represents engine operating, startup becomes Value represent engine start when, and the real-time temperature of water tank be more than or equal to demarcation temperature when, control coolant flow through Water tank；When operating variable value represents engine operating, starts variate-value expression engine start, and the real-time temperature of water tank Less than demarcation temperature when, control coolant be not passed through water tank.
- 9. control method as claimed in claim 6, it is characterised in that the engine-cooling system includes：Water tank, water inlet Pipe, water inlet solenoid valve, outlet pipe, water outlet solenoid valve, Bypass hose and Bypass hose magnetic valve, water inlet pipe and outlet pipe point It is not connected with water tank, Bypass hose is connected between water inlet pipe and outlet pipe, water inlet solenoid valve is arranged in water inlet pipe, water outlet Mouthful magnetic valve is arranged in outlet pipe, and Bypass hose magnetic valve is arranged in Bypass hose, by open water inlet solenoid valve and Water outlet solenoid valve and closing Bypass hose solenoid valve control coolant flow through water tank, by closing water inlet solenoid valve and going out Mouth of a river magnetic valve and opening Bypass hose solenoid valve control coolant are not passed through water tank by Bypass hose.
- 10. a kind of vehicle, it is characterised in that including the control device according to any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611228.3A CN107664057B (en) | 2016-07-30 | 2016-07-30 | A kind of control device of engine-cooling system, control method and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611228.3A CN107664057B (en) | 2016-07-30 | 2016-07-30 | A kind of control device of engine-cooling system, control method and vehicle |
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| Publication Number | Publication Date |
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| CN107664057A true CN107664057A (en) | 2018-02-06 |
| CN107664057B CN107664057B (en) | 2019-09-13 |
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| CN201610611228.3A Active CN107664057B (en) | 2016-07-30 | 2016-07-30 | A kind of control device of engine-cooling system, control method and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624508A (en) * | 2021-06-30 | 2021-11-09 | 中汽研汽车检验中心（天津）有限公司 | PEMS (positive emission measurement System) emission testing method for heavy hybrid electric vehicle |
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