CN109606088A - Cooling system and its control method, vehicle - Google Patents
Cooling system and its control method, vehicle Download PDFInfo
- Publication number
- CN109606088A CN109606088A CN201910034246.3A CN201910034246A CN109606088A CN 109606088 A CN109606088 A CN 109606088A CN 201910034246 A CN201910034246 A CN 201910034246A CN 109606088 A CN109606088 A CN 109606088A
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- China
- Prior art keywords
- temperature
- cooling system
- solenoid valve
- motor
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
Abstract
The present invention proposes a kind of cooling system and its control method, vehicle, system includes: electronic water pump, driving motor, air conditioning warm air switch, air-conditioning, electronic fan, interior radiator, outdoor radiator, the first solenoid valve, second solenoid valve, obtains module and control module, obtain module, for when driving motor operates, obtaining the motor temperature, motor speed and cabin temperature of driving motor；Control module, for accordingly being controlled according to motor temperature, motor speed and cabin temperature the one or more in electronic water pump and air conditioning warm air switch, air-conditioning, electronic fan, the first solenoid valve and second solenoid valve, controlled with the waterway circulating mode to cooling system.The present invention controls cooling water circulation by the solenoid valve in electronic water pump, heat can be supplied to driver's cabin and warmed oneself, and energy waste is avoided, and the open and close of electronic water pump can be automatically controlled according to water temperature, to save electric energy.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of cooling system and its control method, vehicle.
Background technique
The motor of electric car at runtime, needs cooling system to cool down motor, and motor temperature is made to be maintained at suitable
Temperature.It is at present usually to be cooled down with using water-cooling system, and distribute heat in atmosphere for the cooling of motor.
However, cannot be cooled down at present according to the demand of system for the cooling system of motor, while can not will be electric
The heat that machine generates effectively uses, to cause the waste of the energy.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem.
For this purpose, the cooling system passes through in electronic water pump an object of the present invention is to provide a kind of cooling system
Solenoid valve recycles to control cooling water, heat can be supplied to driver's cabin and warmed oneself, avoid energy waste, and can be according to water
Temperature automatically controls the open and close of electronic water pump, to save electric energy.
To achieve the goals above, the embodiment of the present invention proposes a kind of cooling system, comprising: electronic water pump, driving
Motor, air conditioning warm air switch, air-conditioning, electronic fan, interior radiator, outdoor radiator, setting in the outdoor radiator and
The first solenoid valve between electronic water pump, the second solenoid valve being arranged between the interior radiator and the electronic water pump,
And module and control module are obtained, the acquisition module, for obtaining motor temperature when driving motor operating, motor turns
Speed and cabin temperature；The control module is used for according to the motor temperature, motor speed and cabin temperature to the electricity
One or more progress phases in sub- water pump, air conditioning warm air switch, air-conditioning, electronic fan, the first solenoid valve and second solenoid valve
It should control, be controlled with the waterway circulating mode to the cooling system.
Cooling system according to an embodiment of the present invention obtains motor temperature, motor speed and drives when driving motor operating
Room temperature is sailed, according to motor temperature, motor speed and cabin temperature to electronic water pump, air conditioning warm air switch, air-conditioning, electron wind
One or more in fan, the first solenoid valve and second solenoid valve is accordingly controlled, with the waterway circulating mould to cooling system
Formula is controlled, and then cooling water circulation is controlled by the solenoid valve in electronic water pump, heat can be supplied to driver's cabin
It warms oneself, energy waste is avoided, and the open and close of electronic water pump can be automatically controlled according to water temperature, to save electric energy.
In addition, cooling system according to the above embodiment of the present invention can also have the following additional technical features:
In some instances, the waterway circulating mode of the cooling system includes interior circulation pattern and outer circulation mode, institute
It states control module to be used for: judging whether the cabin temperature is less than preset indoor radiating circulation opening temperature, and the sky
Adjust whether heater switch is opened；If it is, controlling, the electronic water pump is opened, first solenoid valve is closed, the second electromagnetism
Valve is opened, so that the cooling system enters the interior circulation pattern.
In some instances, after the cooling system enters the interior circulation pattern, the control module is also used
In: when judging whether the cabin temperature reaches default less than the duration of preset indoor radiating circulation opening temperature
Between；It is opened if it is, controlling the air-conditioning.
In some instances, the control module is also used to: judging whether the cooling system exits the interior cyclic module
Formula；If it is, judging whether the motor temperature is greater than the first preset temperature or whether the motor speed is greater than first in advance
If revolving speed；If the motor temperature is greater than the first preset temperature or the motor speed is greater than the first preset rotation speed, control
The electronic water pump is opened, first solenoid valve is opened, the second solenoid valve is closed, so that the cooling system enters institute
State outer circulation mode.
In some instances, the control module is also used to: when judging that it is default that the motor temperature is less than or equal to first
When temperature or the motor speed are less than or equal to the first preset rotation speed, the electronic water pump closing, first electromagnetism are controlled
Valve is closed, the second solenoid valve is closed, so that the cooling system exits the outer circulation mode.
In some instances, the control module is also used to: when judging that the cooling system do not exit the interior cyclic module
When formula, judge whether the motor temperature is greater than the first preset temperature and whether the motor speed is greater than the first preset rotation speed；
If it is, control first solenoid valve is opened, so that the cooling system enters the outer circulation mode.
In some instances, the acquisition module, is also used to: obtain respectively the outdoor radiator water inlet temperature and
Outlet temperature；The control module is also used to be greater than the second preset temperature or the water outlet temperature when the water inlet temperature
When degree is greater than third preset temperature, controls the electronic fan and operated with the speed lower than the second preset rotation speed；When the water inlet
Mouth temperature controls electronic fan greater than second preset temperature and when the outlet temperature is greater than the third preset temperature
It is operated with being higher than the speed of the second preset rotation speed；When the water inlet temperature is less than second preset temperature and the water outlet
When temperature is less than the third preset temperature or first solenoid valve closing, controls the electronic fan and shut down.
In some instances, the control module is also used to: being followed when the cabin temperature is greater than preset indoor radiating
When ring closing temperature, controls the air conditioning warm air switch and close, exit the interior circulation pattern.
To achieve the goals above, the embodiment of second aspect of the present invention also proposed a kind of such as the above-mentioned first party of the present invention
The control method of cooling system described in the embodiment of face, comprising the following steps: when driving motor operating, acquisition motor temperature,
Motor speed and cabin temperature；According to the motor temperature, motor speed and cabin temperature in the cooling system
One or more progress in electronic water pump, air conditioning warm air switch, air-conditioning, electronic fan, the first solenoid valve and second solenoid valve
Corresponding control, is controlled with the waterway circulating mode to the cooling system.
The control method of cooling system according to an embodiment of the present invention obtains motor temperature, electricity when driving motor operating
Machine revolving speed and cabin temperature, electronic water pump, air conditioning warm air are switched according to motor temperature, motor speed and cabin temperature,
One or more in air-conditioning, electronic fan, the first solenoid valve and second solenoid valve is accordingly controlled, to cooling system
Waterway circulating mode is controlled, and then cooling water circulation is controlled by the solenoid valve in electronic water pump, can mention heat
Supply driver's cabin is warmed oneself, and avoids energy waste, and the open and close of electronic water pump can be automatically controlled according to water temperature, thus
Save electric energy.
To achieve the goals above, the embodiment of third aspect present invention also proposed a kind of vehicle, including in the present invention
State cooling system described in first aspect embodiment.
Heat can be supplied to driver's cabin and warmed oneself, avoid energy waste by vehicle according to an embodiment of the present invention, and
The open and close that electronic water pump can be automatically controlled according to water temperature, to save electric energy.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the cooling system of one embodiment of the invention；
Fig. 2 is the control flow schematic diagram that cooling system according to an embodiment of the invention enters interior circulation pattern；
Fig. 3 is the control flow schematic diagram that cooling system according to an embodiment of the invention enters outer circulation mode.
Fig. 4 is the flow chart of the control method of cooling system according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Cooling system according to an embodiment of the present invention and its control method, vehicle are described below in conjunction with attached drawing.
Fig. 1 is the structural schematic diagram of cooling system according to an embodiment of the invention.As shown in Figure 1, the cooling system
It include: electronic water pump 2, driving motor 1, air conditioning warm air switch 3, air-conditioning (not shown), electronic fan 7, interior radiator
11, outdoor radiator 8, the first solenoid valve 4 being arranged between outdoor radiator 8 and electronic water pump 2, setting radiator indoors
Second solenoid valve 12 between 11 and electronic water pump 2, and acquisition module (not shown) and control module (are not shown in figure
Out).Specifically, obtaining module may include multiple sensors, such as temperature sensor, speed probe, such as shown in Fig. 1
First water temperature sensor 5 and the second water temperature sensor 9 etc..Control module may include the corresponding control of multiple element in cooling system
Unit, such as electronic fan control unit 6, electronic water pump control unit 10 shown in Fig. 1 etc..Wherein, module is obtained to be used for
When driving motor 1 operates, motor temperature, motor speed and the cabin temperature of driving motor 1 are obtained.
Wherein, motor temperature can be denoted as T4, and motor speed can be denoted as n, and cabin temperature can be denoted as T1.It is being embodied
In, it obtains module and includes at least: for detecting the motor temperature sensor of motor temperature and for detecting driving for cabin temperature
Sail room temperature sensor, and the speed probe for detecting motor speed.
Control module is for opening electronic water pump 2 and air conditioning warm air according to motor temperature, motor speed and cabin temperature
The one or more closed in 3, air-conditioning, electronic fan 7, the first solenoid valve 4 and second solenoid valve 12 is accordingly controlled, to cold
But the waterway circulating mode of system is controlled.
In other words, according to the motor temperature T4 of the driving motor 1 got, motor speed n and T1 pairs of cabin temperature
In electronic water pump 2 and air conditioning warm air switch 3, electronic fan 7, the first solenoid valve 4 and second solenoid valve 12 in cooling system
One or more is controlled, such as controls the unlatching/closing or connection/disconnection of these components, and then is realized to cooling system
The control of the waterway circulating mode of system.Wherein, waterway circulating mode for example including interior circulation pattern (i.e. indoor radiating circulation) and
Outer circulation mode (outdoor heat dissipation circulation) in other words controls circulation pattern or outer circulation mould in cooling system unlatching/closing
Formula.
Specifically, in one embodiment of the invention, as shown in connection with fig. 2, control module is used for: judging cabin temperature
Whether T1 is less than preset indoor radiating circulation opening temperature T2, and whether air conditioning warm air switch 3 is opened, if so, driving
Room temperature T1 is less than preset indoor radiating and recycles opening temperature T2, and air conditioning warm air switch 3 is opened, then controls electronic water pump 2
It opens, the closing of the first solenoid valve 4, the unlatching of second solenoid valve 12, so that cooling system enters interior circulation pattern, at this time in opening chamber
Heat dissipation circulation.Wherein, under interior circulation pattern, cooling water channel is distributed heat in driver's cabin by interior radiator 11, with
It warms oneself to driver's cabin, to avoid energy waste.On the other hand, when cabin temperature T1 is greater than or equal to preset interior
When heat dissipation circulation opening temperature T2 or air conditioning warm air switch 3 are not opened, does not then enter interior circulation pattern, that is, be not turned on indoor radiating
Circulation.
Wherein, it should be noted that above-mentioned preset indoor radiating circulation opening temperature T2 is preset value, is taken
Value can adjust setting according to actual needs, recycle opening temperature T2, and air conditioning warm air when cabin temperature T1 is less than indoor radiating
Switch 3 can open indoor radiating circulation when opening.
Further, as shown in connection with fig. 2, after cooling system enters interior circulation pattern, control module is also used to: judgement
Whether the duration that cabin temperature T1 is less than preset indoor radiating circulation opening temperature T2 reaches preset time (such as 5
Minute)；If it is, control air-conditioning is opened, otherwise, do not start air-conditioning.
In one embodiment of the invention, as shown in connection with fig. 3, control module is also used to: judging whether cooling system moves back
Interior circulation pattern out, that is, judge whether indoor radiating circulation closes；If it is, it is pre- to judge whether motor temperature T4 is greater than first
If whether temperature T0 or motor speed n are greater than the first preset rotation speed N1；If motor temperature T4 be greater than the first preset temperature T0 or
Motor speed n is greater than the first preset rotation speed N1, then controls the unlatching of electronic water pump 2, the first solenoid valve 4 is opened, second solenoid valve 12
It closes, so that cooling system enters outer circulation mode, i.e., outdoor heat dissipation circulation is opened.Wherein, under outer circulation pattern, cooling water
Road passes through outdoor radiator 8 and distributes heat in atmosphere.
Further, as shown in connection with fig. 3, control module is also used to: when judging that it is pre- that motor temperature T4 is less than or equal to first
If temperature T0 or motor speed n is less than or equal to the first preset rotation speed N1, control electronic water pump 2 is closed, the first solenoid valve 4 closes
It closes, the closing of second solenoid valve 12, so that cooling system exits outer circulation mode, i.e., outdoor heat dissipation circulation is closed.
Further, as shown in connection with fig. 3, control module is also used to: when judging that cooling system do not exit interior circulation pattern, then
Judge whether motor temperature T4 is greater than the first preset temperature T0 and whether motor speed n is greater than the first preset rotation speed N1；If so,
The unlatching of the first solenoid valve 4 is then controlled, so that cooling system enters outer circulation mode, i.e., outdoor heat dissipation circulation is opened, and otherwise, that is, is worked as
Judge that motor temperature T4 no more than the first preset temperature T0 and when motor speed n is no more than the first preset rotation speed N1, does not enter outer
Circulation pattern, outdoor heat dissipation circulation are not turned on.
In one embodiment of the invention, it obtains module to be also used to: obtaining the water inlet temperature of outdoor radiator 8 respectively
T10 and outlet temperature t20；It is greater than third when water inlet temperature t10 is greater than the second preset temperature T30 or outlet temperature t20
When preset temperature T40 (t10 > T30 or t20 > T40), controls electronic fan 7 and transported with the speed lower than the second preset rotation speed N2
Turn；When water inlet temperature t10 is greater than the second preset temperature T30 and outlet temperature t20 is greater than third preset temperature T40 (i.e. t10
> T30 and t20 > T40) when, it controls electronic fan 7 and is operated with the speed higher than the second preset rotation speed N2；When water inlet temperature
T10 is less than the second preset temperature T30 and outlet temperature t20 is less than third preset temperature T40 (i.e. t10 < T30 and t20 <
T40 when) or the first solenoid valve 4 is closed, control electronic fan 7 is shut down, i.e., inoperative.Wherein, as shown in connection with fig. 1, mould is obtained
Block may include the first water temperature sensor 5 and the second water temperature sensor being arranged at the inlet and outlet of outdoor radiator 8
9, to obtain the water inlet temperature t10 and outlet temperature t20 of outdoor radiator 8 respectively.It should be noted that above second
The setting rule of preset rotation speed N2 can be with are as follows: when the revolving speed of electronic fan 7 is lower than the second preset rotation speed N2, illustrates electronic fan
7 are now in middle low-speed running, and when the revolving speed of electronic fan 7 is higher than the second preset rotation speed N2, illustrate electronic fan 7 at this time
In running at high speed.
Further, in one embodiment of the invention, control module is also used to: being preset when cabin temperature T1 is greater than
Indoor radiating recycle closing temperature T3 when, control air conditioning warm air switch 3 closing, exit interior circulation pattern.It should be noted that
Preset indoor radiating circulation closing temperature T3 be it is preset, value can adjust setting according to actual needs, work as driving
Room temperature T1 can close indoor radiating circulation when being greater than T3 and air conditioning warm air switch 3 is closed in request.
Further, in one embodiment of the invention, control module is also used to: when receive driver input move back
When the recursion instruction that radiates out, circulation pattern or outer circulation mould in cooling system compulsory withdrawal are controlled according to heat dissipation recursion instruction is exited
Formula.In other words, the operational order of preferential answering driver, when driver closes interior by inputs such as button or switches
When the instruction of heat dissipation circulation or the outdoor heat dissipation circulation of closing, then preferential answering instruction forcibly closes indoor radiating circulation or pass
Radiate circulation outside closed chamber, i.e., circulation pattern or outer circulation mode in compulsory withdrawal.In other words, driver can be pressed by switch
Button etc. is turned off manually above-mentioned automatic opening indoor or outdoors circulation cooling function, and then preferentially holds according to the intention of driver
Row, meets the needs of driver in real time.
Cooling system according to an embodiment of the present invention obtains motor temperature, motor speed and drives when driving motor operating
Room temperature is sailed, according to motor temperature, motor speed and cabin temperature to electronic water pump air conditioning warm air switch, air-conditioning, electron wind
One or more in fan, the first solenoid valve and second solenoid valve is accordingly controlled, with the waterway circulating mould to cooling system
Formula is controlled, and then cooling water circulation is controlled by the solenoid valve in electronic water pump, heat can be supplied to driver's cabin
It warms oneself, energy waste is avoided, and the open and close of electronic water pump can be automatically controlled according to water temperature, to save electric energy.
Further embodiment of the present invention also proposed a kind of control method of cooling system, wherein the electronic vapour is cooling
System is cooling system described in any one above-mentioned embodiment of the present invention, and in other words, which includes: electronic water
Pump, air conditioning warm air switch, air-conditioning, electronic fan, interior radiator, outdoor radiator, is arranged in outdoor radiator driving motor
The first solenoid valve between electronic water pump, the second solenoid valve being arranged between indoor radiator and electronic water pump, and obtain
Modulus block and control module.
Fig. 4 is the flow chart of the control method of cooling system according to an embodiment of the invention.As shown in figure 4, this is cold
But system control method the following steps are included:
Step S1: when driving motor operating, the motor temperature, motor speed and cabin temperature of driving motor are obtained.
Wherein, motor temperature can be denoted as T4, and motor speed can be denoted as n, and cabin temperature can be denoted as T1.
Step S2: according to motor temperature, motor speed and cabin temperature to electronic water pump and air conditioning warm air switch, sky
One or more in tune, electronic fan, the first solenoid valve and second solenoid valve is accordingly controlled, with the water to cooling system
Road circulation pattern is controlled.
In other words, according to the motor temperature T4 of the driving motor got, motor speed n and cabin temperature T1 to cold
But one or more in the electronic water pump in system and air conditioning warm air switch, electronic fan, the first solenoid valve and second solenoid valve
It is a to be controlled, such as the unlatching/closing or connection/disconnection of these components are controlled, and then realize the water route to cooling system
The control of circulation pattern.Wherein, waterway circulating mode is for example including interior circulation pattern (i.e. indoor radiating circulation) and outer circulation mould
Formula (outdoor heat dissipation circulation) in other words controls circulation pattern or outer circulation mode in cooling system unlatching/closing.
Specifically, in one embodiment of the invention, step S2 further comprises: judging whether cabin temperature T1 is small
Opening temperature T2 is recycled in preset indoor radiating, and whether air conditioning warm air switch is opened, if so, i.e. cabin temperature T1 is small
Opening temperature T2 is recycled in preset indoor radiating, and air conditioning warm air switch is opened, then controls electronic water pump unlatching, the first electromagnetism
Valve is closed, second solenoid valve is opened, so that cooling system enters interior circulation pattern, opens indoor radiating circulation at this time.Wherein, exist
Under interior circulation pattern, cooling water channel is distributed heat in driver's cabin by interior radiator, to warm oneself to driver's cabin, from
And avoid energy waste.On the other hand, opening temperature T2 is recycled when cabin temperature T1 is greater than or equal to preset indoor radiating
Or air conditioning warm air switchs when not opening, then does not enter interior circulation pattern, that is, is not turned on indoor radiating circulation.
Wherein, it should be noted that above-mentioned preset indoor radiating circulation opening temperature T2 is preset value, is taken
Value can adjust setting according to actual needs, can be with opening chamber when cabin temperature T1 is less than indoor radiating circulation opening temperature T2
Interior heat dissipation circulation.
Further, after cooling system enters interior circulation pattern, the control method of the cooling system, further includes: sentence
The duration that disconnected cabin temperature T1 is less than preset indoor radiating circulation opening temperature T2 whether reach preset time (such as
5 minutes)；If it is, control air-conditioning is opened, otherwise, do not start air-conditioning.
In one embodiment of the invention, the control method of the cooling system, further includes: judge whether cooling system moves back
Interior circulation pattern out, that is, judge whether indoor radiating circulation closes；If it is, it is pre- to judge whether motor temperature T4 is greater than first
If whether temperature T0 or motor speed n are greater than the first preset rotation speed N1；If motor temperature T4 be greater than the first preset temperature T0 or
Motor speed n is greater than the first preset rotation speed N1, then controls electronic water pump unlatching, the unlatching of the first solenoid valve, second solenoid valve closing,
So that cooling system enters outer circulation mode, i.e., outdoor heat dissipation circulation is opened.Wherein, under outer circulation pattern, cooling water channel is logical
Outdoor radiator is crossed to distribute heat in atmosphere.
Further, the control method of the cooling system, further includes: when judging that it is pre- that motor temperature T4 is less than or equal to first
If temperature T0 or motor speed n is less than or equal to the first preset rotation speed N1, control electronic water pump is closed, the first solenoid valve closes
It closes, second solenoid valve closing, so that cooling system exits outer circulation mode, i.e., outdoor heat dissipation circulation is closed.
Further, the control method of the cooling system, further includes: when judging that cooling system do not exit interior circulation pattern,
Then judge whether motor temperature T4 is greater than the first preset temperature T0 and whether motor speed n is greater than the first preset rotation speed N1；If
It is then to control the unlatching of the first solenoid valve, so that cooling system enters outer circulation mode, i.e., outdoor heat dissipation circulation is opened, otherwise, i.e.,
When judging that motor temperature T4 is not more than the first preset temperature T0 and motor speed n is no more than the first preset rotation speed N1, do not enter
Outer circulation mode, outdoor heat dissipation circulation are not turned on.
In one embodiment of the invention, the control method of the cooling system, further includes: obtain outdoor radiator respectively
Water inlet temperature t10 and outlet temperature t20；When water inlet temperature t10 is greater than the second preset temperature T30 or outlet temperature
When t20 is greater than third preset temperature T40 (t10 > T30 or t20 > T40), electronic fan is controlled to be lower than the second preset rotation speed N2
Speed operating；When water inlet temperature t10 is greater than the second preset temperature T30 and outlet temperature t20 is greater than third preset temperature
When T40 (i.e. t10 > T30 and t20 > T40), controls electronic fan and operated with the speed higher than the second preset rotation speed N2；Work as water inlet
Mouthful temperature t10 less than the second preset temperature T30 and outlet temperature t20 be less than third preset temperature T40 (i.e. t10 < T30 and
T20 < T40) or the first solenoid valve close when, control electronic fan shut down, i.e., it is inoperative.It should be noted that above
The setting rule of second preset rotation speed N2 can be with are as follows: when the revolving speed of electronic fan is lower than the second preset rotation speed N2, illustrates electronics
Fan is now in middle low-speed running, and when the revolving speed of electronic fan is higher than the second preset rotation speed N2, illustrate electronic fan this
When in running at high speed.
Further, in one embodiment of the invention, the control method of the cooling system, further includes: work as driver's cabin
When temperature T1 is greater than preset indoor radiating circulation closing temperature T3, control air conditioning warm air switch is closed, and exits interior circulation pattern.
It should be noted that preset indoor radiating circulation closing temperature T3 be it is preset, value can be adjusted according to actual needs
Section setting, indoor radiating circulation can be closed when cabin temperature T1 is greater than T3 and air conditioning warm air switch is closed in request.
Further, in one embodiment of the invention, the control method of the cooling system, further includes: when receiving
When exiting heat dissipation recursion instruction of driver's input recycles according to exiting in heat dissipation recursion instruction control cooling system compulsory withdrawal
Mode or outer circulation mode.In other words, the operational order of preferential answering driver, when driver passes through such as button or switch
When equal inputs close indoor radiating circulation or close the instruction of outdoor heat dissipation circulation, then preferential answering instruction forcibly closes room
Interior heat dissipation circulation closes outdoor heat dissipation circulation, i.e., circulation pattern or outer circulation mode in compulsory withdrawal.In other words, driver
Above-mentioned automatic opening indoor or outdoors circulation cooling function can be turned off manually by switch button etc., so preferentially according to
The intention of driver executes, and meets the needs of driver in real time.
It should be noted that the specific implementation of the control method of the cooling system of the embodiment of the present invention and the present invention are real
The specific implementation for applying the cooling system of example is similar, specifically refers to the description of cooling system part, in order to reduce redundancy, this
Place repeats no more.
The control method of cooling system according to an embodiment of the present invention obtains motor temperature, electricity when driving motor operating
Machine revolving speed and cabin temperature, electronic water pump, air conditioning warm air are switched according to motor temperature, motor speed and cabin temperature,
One or more in air-conditioning, electronic fan, the first solenoid valve and second solenoid valve is accordingly controlled, to cooling system
Waterway circulating mode is controlled, and then cooling water circulation is controlled by the solenoid valve in electronic water pump, can mention heat
Supply driver's cabin is warmed oneself, and avoids energy waste, and the open and close of electronic water pump can be automatically controlled according to water temperature, thus
Save electric energy.
Further embodiment of the present invention also proposed a kind of vehicle, which includes such as any one above-mentioned reality of the present invention
Apply cooling system described in example.The vehicle can be pure or hybrid vehicle.
Heat can be supplied to driver's cabin and warmed oneself, avoid energy waste by vehicle according to an embodiment of the present invention, and
The open and close that electronic water pump can be automatically controlled according to water temperature, to save electric energy.
In addition, other compositions of vehicle according to an embodiment of the present invention and effect are for those of ordinary skill in the art
For be all it is known, in order to reduce redundancy, be not repeated herein.
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 spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is by claim and its equivalent limits.
Claims (10)
1. a kind of cooling system characterized by comprising electronic water pump, driving motor, air conditioning warm air switch, air-conditioning, electron wind
Fan, interior radiator, outdoor radiator, the first solenoid valve being arranged between the outdoor radiator and electronic water pump, setting
Second solenoid valve between the interior radiator and the electronic water pump, and, module and control module are obtained,
The acquisition module, for obtaining the motor temperature, motor speed and driver's cabin of driving motor when driving motor operating
Temperature；
The control module is used for according to the motor temperature, motor speed and cabin temperature to the electronic water pump, air-conditioning
One or more in heater switch, air-conditioning, electronic fan, the first solenoid valve and second solenoid valve is accordingly controlled, with right
The waterway circulating mode of the cooling system is controlled.
2. cooling system according to claim 1, which is characterized in that the waterway circulating mode of the cooling system includes interior
Circulation pattern and outer circulation mode, the control module are used for:
Judge whether the cabin temperature is less than preset indoor radiating circulation opening temperature, and air conditioning warm air switch is
No unlatching；
If it is, controlling, the electronic water pump is opened, first solenoid valve is closed, second solenoid valve is opened, so that described
Cooling system enters the interior circulation pattern.
3. cooling system according to claim 2, which is characterized in that enter the interior circulation pattern in the cooling system
Later, the control module, is also used to:
When judging whether the cabin temperature reaches default less than the duration of preset indoor radiating circulation opening temperature
Between；
It is opened if it is, controlling the air-conditioning.
4. cooling system according to claim 2, which is characterized in that the control module is also used to:
Judge whether the cooling system exits the interior circulation pattern；
If it is, judging whether the motor temperature is greater than the first preset temperature or whether the motor speed is greater than first in advance
If revolving speed；
If the motor temperature is greater than the first preset temperature or the motor speed and is greater than the first preset rotation speed, described in control
Electronic water pump is opened, first solenoid valve is opened, the second solenoid valve is closed, so that the cooling system enters outside described
Circulation pattern.
5. cooling system according to claim 4, which is characterized in that the control module is also used to:
When judging to be less than or equal to the first preset temperature or the motor speed by the motor temperature, to be less than or equal to first default
When revolving speed, the electronic water pump closing, first solenoid valve closing, second solenoid valve closing are controlled, so that described cold
But system exits the outer circulation mode.
6. cooling system according to claim 4, which is characterized in that the control module is also used to:
When judging that the cooling system does not exit the interior circulation pattern, it is default to judge whether the motor temperature is greater than first
Temperature and whether the motor speed is greater than the first preset rotation speed；
If it is, control first solenoid valve is opened, so that the cooling system enters the outer circulation mode.
7. cooling system according to claim 2, which is characterized in that
The acquisition module is also used to obtain the water inlet temperature and outlet temperature of the outdoor radiator respectively；
The control module is also used to be greater than the when the water inlet temperature is greater than the second preset temperature or the outlet temperature
When three preset temperatures, controls the electronic fan and operated with the speed lower than the second preset rotation speed；
When the water inlet temperature is greater than second preset temperature and the outlet temperature is greater than the third preset temperature
When, electronic fan is controlled to be higher than the speed of the second preset rotation speed and operate；
It is less than the third preset temperature when the water inlet temperature is less than second preset temperature and the outlet temperature,
Or first solenoid valve controls the electronic fan and shuts down when closing.
8. cooling system according to claim 2, which is characterized in that the control module is also used to:
When the cabin temperature is greater than preset indoor radiating circulation closing temperature, controls the air conditioning warm air switch and close
It closes, exits the interior circulation pattern.
9. a kind of control method of such as described in any item cooling systems of claim 1-8, which is characterized in that including following step
It is rapid:
When driving motor operating, the motor temperature, motor speed and cabin temperature of driving motor are obtained；
According to the motor temperature, motor speed and cabin temperature to electronic water pump, the air conditioning warm air in the cooling system
One or more in switch, air-conditioning, electronic fan, the first solenoid valve and second solenoid valve is accordingly controlled, to described
The waterway circulating mode of cooling system is controlled.
10. a kind of vehicle, which is characterized in that including such as described in any item cooling systems of claim 1-8.
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|---|---|---|---|
| CN201910034246.3A CN109606088B (en) | 2019-01-15 | 2019-01-15 | Cooling system, control method thereof and vehicle |
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| CN201910034246.3A CN109606088B (en) | 2019-01-15 | 2019-01-15 | Cooling system, control method thereof and vehicle |
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| CN112549904A (en) * | 2020-12-23 | 2021-03-26 | 摩登汽车(盐城)有限公司 | Method and system for controlling rotating speed of condensing fan of electric automobile |
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| CN109606088B (en) | 2021-04-20 |
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