Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.
Therefore, a purpose of the present utility model is to propose a kind of cooling system of vehicle, the system can reduce car
Energy consumption, and improve the continual mileage of vehicle.
Another purpose of the present utility model is to propose a kind of vehicle.
To reach above-mentioned purpose, on the one hand the utility model proposes a kind of cooling system of vehicle, including:For to cold
But the cooling device that liquid is cooled down;Multiple cooling circuits, the multiple cooling circuit is connected with the cooling device, wherein,
The multiple cooling circuit is used to be cooled down for the electricity consumption device being arranged in correspondence cooling circuit;Coolant adjusting means,
The coolant adjusting means is connected with least one cooling circuit in the multiple cooling circuit, to adjust the multiple cooling
The coolant rate of the cooling circuit of at least one in loop.
According to the cooling system of vehicle of the present utility model, coolant rate can be adjusted by coolant adjusting means,
Energy consumption of vehicles is reduced, on the premise of cooling effect is ensured, the continual mileage of vehicle is improved, improves the reliability of vehicle, more preferably
Ground ensures the normal operation of vehicle, effectively ensures the safety traffic of vehicle.
Alternatively, the coolant adjusting means can be straight-adjustable water-through valve.
Further, the electricity consumption device includes charger, DC-DC converter, front drive device and rear driving device,
Wherein, the multiple cooling circuit includes:For being filled to the charger, the DC-DC converter and the preceding driving
Put the first cooling circuit cooled down;For the second cooling circuit cooled down to the rear drive equipment, wherein, it is described
Adjustable straight-through water valve is arranged in second cooling circuit.
Further, said system also includes:Controller, the controller respectively with the cooling device and described adjustable
Straight-through water valve is connected, to control the cooling device and the adjustable straight-through water valve to work.
Further, the front driving device includes preceding motor and front motor controller, the rear drive equipment bag
Rear motor and rear electric machine controller are included, wherein, the controller includes:For receiving the preceding motor, it is described before
The receiving module of the temperature of electric machine controller, the rear motor and the rear electric machine controller;For according to the forerunner
The temperature for moving motor, front motor controller, rear motor and rear electric machine controller obtains the running parameter of the cooling device
With the acquisition module of the aperture of the adjustable straight-through water valve, the acquisition module is connected with the receiving module;Control module, institute
Control module is stated respectively with the acquisition module, the cooling device and the adjustable straight-through water valve to be connected, it is described cold to control
But device is run according to the running parameter, and adjusts the adjustable straight-through water valve to the aperture.
Further, the controller carries out CAN with the front motor controller and the rear electric machine controller respectively
(Controller Area Network, controller local area network) communicates.
Further, the cooling device includes:Electronic water pump, the electronic water pump is connected with the controller.
Further, the cooling device includes:Radiator and cooling fan, the radiator and cooling fan respectively with
The controller is connected.
Further, said system also includes:Speed of vehicle detector, the speed of vehicle detector is connected with the controller, with
When speed is more than predetermined threshold value, the cooling fan is closed.
To reach above-mentioned purpose, on the other hand the utility model proposes a kind of vehicle, and it includes the cold of above-mentioned vehicle
But system.The vehicle can adjust coolant rate by coolant adjusting means, reduce energy consumption of vehicles, ensure cooling effect
On the premise of, the continual mileage of vehicle is improved, the reliability of vehicle is improved, better ensures that the normal operation of vehicle, effectively
Ensure the safety traffic of vehicle.
The additional aspect of the utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The cooling system and vehicle of vehicle proposed according to the utility model embodiment is described with reference to the accompanying drawings, first will
Describe the cooling system of the vehicle proposed according to the utility model embodiment with reference to the accompanying drawings.
Fig. 1 is the structural representation of the cooling system of the vehicle of the utility model embodiment.
As shown in figure 1, the cooling system 10 of the vehicle can include:Cooling device 100, multiple cooling circuits 200 and cold
But liquid adjusting means 300.
Wherein, cooling device 100 is used to cool down coolant.Multiple cooling circuits 200 and the phase of cooling device 100
Connect, wherein, multiple cooling circuits 200 are used to be cooled down for the electricity consumption device being arranged in correspondence cooling circuit.Coolant is adjusted
Regulating device 300 is connected with least one cooling circuit in multiple cooling circuits 200, to adjust in multiple cooling circuits 200 at least
The coolant rate of one cooling circuit.The cooling system 10 of the utility model embodiment can pass through coolant adjusting means
300 regulation coolant rates, reduce energy consumption of vehicles, on the premise of cooling effect is ensured, improve the continual mileage of vehicle, improve
The reliability of vehicle.
Alternatively, coolant adjusting means 300 can be straight-adjustable water-through valve 300.
Further, in one embodiment of the present utility model, as shown in Fig. 2 electricity consumption device include charger OBC,
DC-DC converter, front drive device 20 and rear driving device 30, wherein, multiple cooling circuits 200 include:First cooling circuit
201 and second cooling circuit 202.
Wherein, the first cooling circuit 201 is used to enter charger OBC, DC-DC converter and front driving device 20
Row cooling.Second cooling circuit 202 is used to cool down rear drive equipment 30, wherein, adjustable straight-through water valve 300 is arranged on the
In two cooling circuits 202.
Further, in one embodiment of the present utility model, as shown in Fig. 2 the cooling of the utility model embodiment
System 10 also includes:Controller 400.Wherein, controller 400 is connected with cooling device 100 with adjustable straight-through water valve 300 respectively,
To control cooling device 100 and adjustable straight-through water valve 300 to work.
It is understood that the cooling system 10 of the utility model embodiment can be according to the temperature control of front and rear drive device
The working condition of each part in cooling device 100, makes front and rear motor and controller be operated in suitable state of temperature, carries
The reliability of high vehicle.
Further, in one embodiment of the present utility model, as shown in Fig. 2 front driving device 20 includes preceding driving
Motor 21 and front motor controller 22, rear drive equipment 30 include rear motor 31 and rear electric machine controller 32, wherein, control
Device 400 includes:Receiving module, acquisition module and control module.
Specifically, receiving module is used to receive preceding motor 21, front motor controller 22, rear motor 31 and rear electricity
The temperature of machine controller 32.Acquisition module is connected with receiving module, and acquisition module is used for according to preceding motor 21, front motor control
The temperature of device 22 processed, rear motor 31 and rear electric machine controller 32 obtains the running parameter of cooling device 100 and adjustable straight-through
The aperture of water valve 300.Control module is connected with acquisition module, cooling device 100 and adjustable straight-through water valve 300 respectively, to control
Cooling device 100 is run according to running parameter, and adjusts adjustable straight-through water valve 300 to aperture.
That is, in embodiment of the present utility model, driving electricity before and after being adjusted by adjustable straight-through water valve 300
The coolant rate ratio of machine, so that on the premise of motor cooling requirement is met, the energy consumption of motor cooling is saved, so that
Extend the continual mileage of electric vehicle.
Further, in one embodiment of the present utility model, controller 400 respectively with front motor controller 22 and after
Electric machine controller 32 carries out CAN communication.
Further, in one embodiment of the present utility model, as shown in Fig. 2 cooling device 100 includes:Electronic water
Pump 101.Wherein, electronic water pump 101 is connected with controller 400.
Further, in one embodiment of the present utility model, as shown in Fig. 2 cooling device 100 includes:Radiator
And cooling fan 102.Wherein, radiator and cooling fan 102 are connected with controller 400 respectively.
Further, in one embodiment of the present utility model, the cooling system 10 of the utility model embodiment is also wrapped
Include:Speed of vehicle detector.Wherein, speed of vehicle detector is connected with controller 400, when speed is more than predetermined threshold value, to close cooling
Fan.It should be noted that predetermined threshold value can be configured according to actual conditions, such as 60km/h is not especially limited herein.
That is, the cooling system 10 of the utility model embodiment can reasonably control electronic water pump 101 and cooling
The rotating speed of fan 102, not only ensures that bi-motor and its controller work under preference temperature, reduce the demagnetization of motor, eliminates high
Warm fault alarm, and the cooling water flow of rear driving device 30 can be can adjust by adjustable straight-through water valve 300 so that cooling water is obtained
To more preferable distribution, and the start and stop and stepless speed regulation of electronic water pump 101 and cooling fan 102 can be realized, so as to reach drop
The target that low vehicle energy consumption is improved.
The operation principle to the utility model embodiment cooling system 10 is illustrated with reference to the accompanying drawings.
In a specific embodiment of the present utility model, as shown in Fig. 2 the cooling system 10 of the utility model embodiment
Including controller 400, radiator and cooling fan 102, electronic water pump 101, OBC cooling jackets, precursor motor and its controller
Cooling jacket, rear-guard motor and controller cooling jacket, adjustable straight-through water valve 300.
Wherein, the motor and electric machine controller temperature that controller 400 feeds back according to front and rear electric machine controller are to cooling
Fan 102, electronic water pump 101 and adjustable straight-through water valve 300 are controlled.Controller 400 is total by CAN with electric machine controller
Line is connected, and controller 400 to cooling fan 102 and electronic water pump 101 by PWM (Pulse Width Modulation,
Pulse width modulation) mode is controlled.It should be noted that temperature of the electric machine controller to motor and electric machine controller
Detected, and be sent to controller 400.
Specifically, as shown in figure 3, the control of the cooling system 10 of the utility model embodiment can be real by following steps
It is existing:
Step S1, driving motor temperature T1, rear driving motor temperature T2, front motor control before controller 400 is read respectively
Device temperature T3 and rear electric machine controller temperature T4.
Step S2, calculates η 1=T1/T1_on respectively;η 2=T2/T2_on;η 3=T3/T3_on;η 4=T4/T4_on.Its
In, T1_on, T2_on, T3_on and T4_on are respectively that preceding motor opens water pump temperature threshold, rear motor unlatching water
Pump temperature threshold value, front motor controller open water pump temperature threshold and rear electric machine controller opens water pump temperature threshold.
Step S3, calculates η _ max=max (η 1, η 2, η 3, η 4).
Step S4, tables look-up acquisition pump rotary speed according to η _ max.Pump rotary speed table is as shown in table 1.
Table 1
Step S5, calculates Σ η=Σ (η 1, η 2, η 3, η 4).
Step S6, tables look-up acquisition rotation speed of the fan according to current vehicle speed v and Σ η, wherein, when speed v is higher than 60km/h, wind
Fan is not turned on;When speed is less than 60km/h, acquisition rotation speed of the fan of tabling look-up.Rotation speed of the fan table is as shown in table 2.
Table 2
Step S7, calculates η _ fmax=max (η 1, η 3).
Step S8, calculates η _ rmax=max (η 2, η 4).
Step S9, tables look-up according to η _ fmax and η _ rmax and obtains the aperture of adjustable straight-through water valve.Aperture table is as shown in table 3.
Table 3
According to the cooling system of vehicle of the present utility model, coolant rate can be adjusted by coolant adjusting means,
Energy consumption of vehicles is reduced, on the premise of cooling effect is ensured, the continual mileage of vehicle is improved, improves the reliability of vehicle, more preferably
Ground ensures the normal operation of vehicle, effectively ensures the safety traffic of vehicle.
In addition, embodiment of the present utility model also proposed a kind of vehicle, the vehicle includes the cooling system of above-mentioned vehicle
System.The vehicle can adjust coolant rate by coolant adjusting means, reduce energy consumption of vehicles, before cooling effect is ensured
Put, improve the continual mileage of vehicle, improve the reliability of vehicle, better ensure that the normal operation of vehicle, effectively ensure
The safety traffic of vehicle.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be
Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.