CN207795380U - Vehicle cooling control system - Google Patents
Vehicle cooling control system Download PDFInfo
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- CN207795380U CN207795380U CN201721837987.8U CN201721837987U CN207795380U CN 207795380 U CN207795380 U CN 207795380U CN 201721837987 U CN201721837987 U CN 201721837987U CN 207795380 U CN207795380 U CN 207795380U
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Abstract
The utility model is related to vehicle technical field of heat dissipation, provide a kind of vehicle cooling control system, including：Radiator and the engine for being provided with engine water pump, radiate major loop；Oil cooling branch；Valve is arranged between the first liquid outlet and the liquid return hole of engine water pump of radiator；Electronic control unit ECU, it is connect with valve and engine water pump, wherein electronic control unit ECU is for controlling engine water pump operation, and control valve disconnects the flowing of the liquid return hole of the coolant liquid from the first liquid outlet of radiator to the engine water pump, so that second liquid outlet, electronic water pump and oil cooler of the coolant liquid through the engine water pump, radiator are circulated.By vehicle cooling control system described in the utility model, assignment of traffic of the coolant liquid between oil cooler branch and heat dissipation major loop is realized, and while allowing to design electronic water pump in higher position, moreover it is possible to ensure effective operation of electronic water pump.
Description
Technical field
The utility model is related to vehicle technical field of heat dissipation, more particularly to a kind of vehicle cooling control system.
Background technology
Automobile radiator systems are the important spare parts for ensureing vehicle cooling performance, and principle is by coolant liquid by heating part
Part, mainly engine, heat radiator is taken to by heat-radiation loop, heat is dissipated.And it is cooled down in speed changer
In vehicle, in order to realize the heat dissipation to speed changer, valve assembly, can the oil cooler branch in parallel with heat-radiation loop be additionally set and is come
Implement cooling.Again since the flow resistance of oil cooler branch is big, in order to meet the needs of oil cooler branch is to coolant rate, generally
Can exclusively for oil cooler be arranged electronic water pump, and the coolant liquid in oil cooler temperature it is higher when start electronic water pump to increase
Mobilization force.
But present inventor has found during implementing the application：First, in oil cooler branch and can not dissipate
The distribution of coolant rate is realized in hot loop；Second, can just be opened in a liquid since the impeller of electronic water pump has to submergence
It starts shipment and turns, and after after-sales service fills coolant liquid by hand, electronic water pump impeller is likely to due to liquid level is too low there are air,
The operating of electronic water pump is caused to be failed, in order to solve this problem, the prior art also can only be by reducing electronic water pump as possible
Installation site evade, in this way significant limitation is had for the arrangement of system.
In view of the above-mentioned problems, the prior art is still without good solution.
Invention content
In view of this, the utility model is directed to a kind of vehicle cooling control system, oil cooler branch is distributed to realize
The coolant rate between heat-radiation loop, and solve to lead to operational failure because not submerging in a liquid due to electronic water pump impeller
The problem of.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of vehicle cooling control system, including：Radiate major loop, including radiator and the hair for being provided with engine water pump
Motivation, wherein the liquid outlet of the engine water pump is connected to the inlet of the radiator and the engine water pump
Liquid return hole is connected to the first liquid outlet of the radiator；Oil cooling branch, including it is connected to the second liquid outlet of the radiator
Electronic water pump between the liquid return hole of the engine water pump and oil cooler；The institute in the radiator is arranged in valve
It states between the first liquid outlet and the liquid return hole of the engine water pump；Electronic control unit ECU, with the valve and described
Engine water pump connects, wherein the electronic control unit ECU is used to control the engine water pump operation, and controls the valve
Door disconnects the flowing of the liquid return hole of the coolant liquid from first liquid outlet of the radiator to the engine water pump, with
So that coolant liquid carries out recycle stream through the engine water pump, second liquid outlet of radiator, electronic water pump and oil cooler
It is dynamic.
Further, the electronic control unit ECU is for receiving engine start notification signal, wherein the engine
Start notification signal to be generated when the engine start is run；And the ECU is used to be notified according to the startup
Signal controls the valve and disconnects coolant liquid from first liquid outlet of the radiator to the hair within a predetermined period of time
The flowing of the liquid return hole of motivation water pump, and control the engine water pump and run in the predetermined amount of time.
Further, the electronic control unit ECU is connected to the engine water pump and the electronic water pump, and is used for
It is less than the coolant liquid in presetting first threshold temperature and the oil cooler in the temperature of the in-engine coolant liquid
Temperature higher than presetting second threshold temperature and less than presetting third threshold temperature when, control the engine water pump
It runs and to control the electronic water pump out of service, wherein the third threshold temperature is more than the second threshold temperature.
Further, the electronic control unit ECU is connected to the engine water pump and the electronic water pump, and is used for
It is less than the temperature of the coolant liquid in the first threshold temperature and the oil cooler in the temperature of the in-engine coolant liquid
When degree is higher than the third threshold temperature, the engine water pump and electronic water pump operation are controlled.
Further, the vehicle cooling control system further includes：First temperature sensor is arranged in the engine
And it is connected to the electronic control unit ECU, the temperature for detecting the in-engine coolant liquid；Second temperature senses
Device is arranged in the oil cooler and is connected to the electronic control unit ECU, for detecting the coolant liquid in the oil cooler
Temperature.
Further, the valve includes three-way solenoid valve, with first port, second port and third port, with
And the first port is connected to the oil cooling branch, what the second port was connected to the radiator described first goes out liquid
Mouthful, and the third port is connected to the liquid return hole of the engine water pump；Wherein, the electronic control unit ECU is used
It is less than the first threshold temperature, and the temperature of the coolant liquid in the oil cooler in the temperature in the in-engine coolant liquid
When degree is higher than the second threshold temperature, the second port is closed in control, and opens the first port and the third end
Mouthful.
Further, the electronic control unit ECU is additionally operable to be less than institute in the temperature of the in-engine coolant liquid
State first threshold temperature, and when the temperature of the coolant liquid in the oil cooler is less than the second threshold temperature, institute is closed in control
State second port, the first port and the third port.
Further, the electronic control unit ECU is additionally operable to be higher than institute in the temperature of the in-engine coolant liquid
State first threshold temperature, and when the temperature of the coolant liquid in the oil cooler is less than the second threshold temperature, institute is closed in control
State first port, the second port and the third port.
Further, the electronic control unit ECU is additionally operable to be higher than institute in the temperature of the in-engine coolant liquid
State first threshold temperature, and when the temperature of the coolant liquid in the oil cooler is higher than the second threshold temperature, institute is closed in control
First port is stated, and opens the second port and the third port.
Further, the oil cooler is arranged at the speed changer of vehicle, and for cooling down the speed changer.
Compared with the existing technology, vehicle cooling control system described in the utility model has the advantage that：
In vehicle cooling control system described in the utility model, has and the first liquid outlet in radiator is set and is started
Valve between the liquid return hole of machine water pump and the electronic control unit ECU for connecting the valve so that the control by ECU to the valve
System realizes assignment of traffic of the coolant liquid between oil cooler branch and heat dissipation major loop；Also, ECU can control by pair
The flowing of valve controlled to realize the first liquid outlet for disconnecting coolant liquid from radiator to engine water pump, and control operation hair
Motivation water pump, so that second liquid outlet, electronic water pump, oil cooler of the coolant liquid through the engine water pump, radiator
It is circulated.As a result, when the impeller of electronic water pump operational failure due to the liquid level of coolant liquid is too low, pass through above-mentioned side
The implementation of case increases the coolant rate for flowing through electronic water pump, enables electronic water pump to restore effectively to run so that allowing
By the position design of electronic water pump higher position, relieve the limitation arranged to system while, moreover it is possible to ensure
Effective operation of electronic water pump.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The exemplary embodiment and its explanation of type are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the vehicle cooling control system described in one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the vehicle cooling control system described in another embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the vehicle cooling control system described in the another embodiment of the utility model.
Reference sign：
10 vehicle cooling control systems 101 heat dissipation major loop
102 oil cooling branch, 1011 radiator
10121 engine water pump, 1012 engine
1021 electronic water pump, 1022 oil cooler
103 valve 103A three-way solenoid valves
104 electronic control unit ECU, 10,122 first temperature sensors
10221 second temperature sensor a, b radiator liquid outlets
P, N, M three-way solenoid valve port
Specific implementation mode
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
In the vehicle cooling control system of one embodiment of the utility model as shown in Figure 1, the vehicle radiating control system
System 10 includes：Radiate major loop 101 and oil cooling branch 102, wherein being equipped with radiator 1011 on heat dissipation major loop 101 and having
The engine 1012 of engine water pump 10121, the liquid outlet of engine water pump 10121 are connected to the inlet of radiator 1011,
And the liquid return hole of engine water pump 10121 is connected to a liquid outlets of radiator 1011；The company of being provided on oil cooling branch 102
The electronic water pump 1021 and oil cooler 1022 being connected between the b liquid outlets of radiator and the liquid return hole of engine water pump 10121, tool
Body, which can be provided at the speed changer of vehicle, be achieved in the cooling to speed changer.It is appreciated that
It is that should not limit the order of connection of electronic water pump 1021 and oil cooler 1022 in oil cooling branch, can is as shown in Figure 1
Electronic water pump 1021 is connected to b liquid outlets and oil cooler is connected to heat dissipation major loop 101, can also be that electronic water pump 1021 connects
To heat dissipation major loop 101 and oil cooler be connected to b liquid outlets, belong in the scope of protection of the utility model.
The vehicle cooling control system 10 is additionally provided with valve 103, the valve be arranged radiator a liquid outlets and start
Between the liquid return hole of machine water pump.And the vehicle cooling control system 10 further includes electronic control unit ECU 104, the ECU
(Electronic Control Unit) 104 is connect with valve 103 and engine water pump 10121, wherein electronic control unit
ECU104 can control the operation of engine water pump 10121, and control valve 103 disconnects coolant liquid from a liquid outlets to engine water
The flowing of the liquid return hole of pump, so that b liquid outlet, electronic water pump of the coolant liquid through engine water pump 10121, radiator 1011
1021 and oil cooler 1022 circulated；Separate as a result, from a liquid outlets of radiator 1011 to engine water pump
10121 coolant flow increases the flow for the coolant liquid for flowing through oil cooler 1022, electronic water pump 1021 impeller because cold
But it when the liquid level of liquid is too low and operational failure, still is able to the promotion by flow and liquid level by submerges electronic water pump, make electronic water
Pump can restore effectively to run, and thus allow in higher position to relieve the position design of electronic water pump to being
The limitation for arrangement of uniting.
It should be noted that coolant liquid can be filled with filling gun on vehicle factor production line, since filling gun can be vacuumized,
So will not have air in system after wire body filling.But after-sales service is when needing to fill coolant liquid again, due to filing provision
It is more expensive, so filling coolant liquid is typically all filling by hand after sale, due to not vacuumizing, so locally being had in system
Air cannot be discharged.At this point, if electronic water pump design is in the high position in part, electronic water pump will have and not turn because there is air
Dynamic risk, so electronic water pump in the prior art generally requires and is arranged in lower.In contrast, pass through the utility model reality
The implementation of example is applied, electronic water pump can be arranged in any position including higher position, and can equally ensure electronic water pump
Effectively operation.
Can just ECU be utilized to control when engine start in the one side of the utility model embodiment application
The above-mentioned shutdown operation of valve, has ensured that electronic water pump can be operated effectively during vehicle is run.Specifically, electric
Sub-control unit ECU 104 can receive engine start notification signal, it is to be understood that the meeting when engine start is run
Generate the engine start notification signal；And ECU 104 is used to, according to the startup notification signal, control within a predetermined period of time
Valve disconnects the flowing of liquid return hole of the coolant liquid from a liquid outlets of radiator to engine water pump, and controls engine water pump
It runs within a predetermined period of time.Specifically, which can be lasting several seconds, from there through lasting several at this
In seconds, the coolant liquid of engine water pump driving big flow flows fast through oil cooler branch so that even if electronic water pump cloth
It sets in high position, or even if can if manually filling coolant liquid does not submerge electronic water pump impeller under static state after sale
The air in cooling system was discharged automatically by this several seconds, so that the impeller of electronic water pump can be impregnated by liquid,
Ensure validity of the electronic water pump in vehicle operation.
It is the vehicle cooling control system 10 of another embodiment of the utility model as shown in Figure 2, can be deemed to be
Optimization and improvement to system structure shown in FIG. 1, are characterized in particular in：It has had more the first temperature sensor 10122 and the second temperature
Sensor 10221 is spent, wherein the first temperature sensor 10122 is arranged in engine, and is connected to electronic control unit ECU
104, the first temperature sensor 10122 can detect the temperature of in-engine coolant liquid, and by the engine detected
The temperature of coolant liquid is sent to ECU 104；Wherein, second temperature sensor 10221 is arranged in oil cooler 1022, and connects
To electronic control unit ECU104, second temperature sensor 10221 can detect the temperature of the coolant liquid in oil cooler 1022, and
The temperature of coolant liquid in the oil cooler detected can be sent to ECU104.In addition, electronic water pump 1021 is connected to ECU
104 so that ECU 104 can control the operation and stopping of electronic water pump 1021.
During electronic water pump is run, energy can be consumed, and noise and vibration can be brought, so not applicable or most
Amount is also less a popular research direction of current industry to radiate using electronic water pump.
In view of this, in the application of the utility model embodiment one side, electronic control unit ECU104 can be
Temperature of the temperature of in-engine coolant liquid less than presetting first threshold temperature T1 and the coolant liquid in oil cooler is high
In presetting second threshold temperature T2 and less than presetting third threshold temperature T3 when, electronic control unit ECU 104 control
Engine water pump 10121 processed operation and control electronic water pump 1021 is out of service, and control valve 103 disconnects coolant liquid from dissipating
The a liquid outlets of hot device 1011 are to the flowing of the liquid return hole of engine water pump 10121, wherein T3 ＞ T2.The presetting threshold value temperature
It can be the normal temperature threshold value respectively referred to for engine and the required coolant liquid of oil cooler to spend T1 and T2, under the operating mode,
In-engine coolant liquid need not cool down, and oil cooler is cooled down, and can be not turned on electronic water in the present embodiment
Pump, but water pump is carried as oil cooler using engine to provide the coolant liquid of the big flow of acceleration.
Further, if the oil temperature in oil cooler still persistently rises, and when being increased to T3, which can be instruction oil cooling
The warning temperature of device in the operating condition, electronic control unit ECU 104 can be that control electronic water pump is opened at this time, with into one
Step increases the flow of the coolant liquid of oil cooler branch.By the implementation of the utility model embodiment, realize engine water pump
It is organically combined together with the control strategy of electronic water pump, distribution water route can be accurately controlled according to respective demand
Quickly circulation and shutdown.
It is the vehicle cooling control system 10 of another embodiment of the utility model as shown in Figure 3, can be deemed to be
Optimization and improvement to system structure shown in Fig. 2, are characterized in particular in：The valve applied in figure 3 is three-way solenoid valve 103A,
Three-way solenoid valve 103A has these three ports of the ports P, N-port and M port, and the wherein ports P are connected to oil cooling branch 102, N
Port is connected to a liquid outlets of radiator, and M port is connected to the liquid return hole of engine water pump 10121.In the utility model reality
It applies in example, it can be by implementing to realize three ports P, N of triple valve and the control of M port the flow to coolant liquid in system
Distribution.
In the application of first operating mode of the utility model embodiment, electronic control unit ECU 104 can started
The temperature of coolant liquid in machine is less than T1, and when the temperature of the coolant liquid in oil cooler is higher than T2, and N-port is closed in control, and is beaten
Open the ports P and M port.It in domination set and increases as a result, and flows through the flow of oil cooler, accelerate the heat dissipation to oil cooler.
In the application of second operating mode of the utility model embodiment, electronic control unit ECU 104 can be in engine
The temperature of interior coolant liquid be less than T1 when, and the temperature of the coolant liquid in oil cooler be less than T2 when, control close N-port, the ports P
And M port.It need not implement to cool down at this point, engine need not open systemic circulation and oil cooler also.
In the application of the third operating mode of the utility model embodiment, electronic control unit ECU 104 can be in engine
The temperature of interior coolant liquid is higher than T1, and when the temperature of the coolant liquid in oil cooler is less than T2, and P ports are closed in control, and open M
Port and N-port.At this point, engine needs to open systemic circulation, and oil cooler branch need not cool down, and be closed by the ports P
Oil cooling branch, the flow of greater engine systemic circulation accelerate the cooling to engine.
In the application of the 4th operating mode of the utility model embodiment, electronic control unit ECU 104 can be in engine
The temperature of interior coolant liquid be higher than T1, and the temperature of the coolant liquid in oil cooler be higher than T2 when, control open N-port, the ports P and
M port.At this point, engine and oil cooler are required to cool down.
In the utility model embodiment, in the process of running for the cooling requirement of electronic water pump and engine water pump
Various operating modes are implemented corresponding control to each port of three-way solenoid valve 103A by electronic control unit ECU, can be substituted existing
There is control of the thermostat in technology to engine water pump, and the control plan to electronic water pump in the prior art can be substituted
Slightly, and it can be accurately controlled and distribute the opening and closing in water route according to the cooling requirement of engine and oil cooler.Also,
Under some conditions, larger flow can be provided to be embodied as oil cooler to radiate using the water pump that engine carries,
The startup frequency for reducing electronic water pump, has saved the energy, and reduces noise and the vibration of electronic water pump.
It should be noted that the realization of the involved control strategy about ECU control units in the present invention, it can
To be realized based on field of electronic components in the prior art by simply combining, a combination thereof mode is not limited thereto.
As an example, threshold temperature T1, T2 can be stored in memory, the comparison of temperature can be realized based on comparator
, it can be realized based on " with door " or " NOT gate " about considering for temperature comparison result.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (10)
1. a kind of vehicle cooling control system, which is characterized in that the vehicle cooling control system includes：
Radiate major loop, including radiator and the engine for being provided with engine water pump, wherein the engine water pump goes out liquid
The liquid return hole for the inlet and the engine water pump that mouth is connected to the radiator is connected to the first of the radiator and goes out
Liquid mouth；
Oil cooling branch, including be connected between the second liquid outlet of the radiator and the liquid return hole of the engine water pump
Electronic water pump and oil cooler；
Valve is arranged between first liquid outlet and the liquid return hole of the engine water pump of the radiator；
Electronic control unit ECU is connect with the valve and the engine water pump, wherein the electronic control unit ECU is used
In the control engine water pump operation, and controls the valve and disconnect first liquid outlet of the coolant liquid from the radiator
To the flowing of the liquid return hole of the engine water pump, so that coolant liquid is through described in the engine water pump, radiator
Second liquid outlet, electronic water pump and oil cooler are circulated.
2. vehicle cooling control system according to claim 1, which is characterized in that the electronic control unit ECU is used for
Engine start notification signal is received, wherein the engine start notification signal is given birth to when the engine start is run
At；And the ECU is used to, according to the startup notification signal, control the valve within a predetermined period of time and disconnect coolant liquid
From first liquid outlet of the radiator to the flowing of the liquid return hole of the engine water pump, and control the hair
Motivation water pump is run in the predetermined amount of time.
3. vehicle cooling control system according to claim 1, which is characterized in that the electronic control unit ECU connections
To the engine water pump and the electronic water pump, and for the temperature in the in-engine coolant liquid less than presetting
The temperature of first threshold temperature and the coolant liquid in the oil cooler is higher than presetting second threshold temperature and less than default
When fixed third threshold temperature, controls the engine water pump operation and the control electronic water pump is out of service, wherein described
Third threshold temperature is more than the second threshold temperature.
4. vehicle cooling control system according to claim 3, which is characterized in that the electronic control unit ECU connections
To the engine water pump and the electronic water pump, and the temperature in the in-engine coolant liquid is less than described first
When the temperature of threshold temperature and the coolant liquid in the oil cooler is higher than the third threshold temperature, the engine is controlled
Water pump and electronic water pump operation.
5. vehicle cooling control system according to claim 3, which is characterized in that the vehicle cooling control system also wraps
It includes：
First temperature sensor is arranged in the engine and is connected to the electronic control unit ECU, described for detecting
The temperature of in-engine coolant liquid；
Second temperature sensor is arranged in the oil cooler and is connected to the electronic control unit ECU, described for detecting
The temperature of coolant liquid in oil cooler.
6. the vehicle cooling control system according to any one of claim 3-5, which is characterized in that the valve includes electricity
Magnetic triple valve is connected to the oil cooling branch with first port, second port and third port and the first port
Road, the second port is connected to first liquid outlet of the radiator, and the third port is connected to described start
The liquid return hole of machine water pump；
Wherein, the electronic control unit ECU is used to be less than the first threshold in the temperature of the in-engine coolant liquid
Temperature, and when the temperature of the coolant liquid in the oil cooler is higher than the second threshold temperature, the second port is closed in control,
And open the first port and the third port.
7. vehicle cooling control system according to claim 6, which is characterized in that the electronic control unit ECU is also used
It is less than the first threshold temperature, and the temperature of the coolant liquid in the oil cooler in the temperature in the in-engine coolant liquid
When degree is less than the second threshold temperature, the second port, the first port and the third port are closed in control.
8. vehicle cooling control system according to claim 6, which is characterized in that the electronic control unit ECU is also used
It is higher than the first threshold temperature, and the temperature of the coolant liquid in the oil cooler in the temperature in the in-engine coolant liquid
When degree is less than the second threshold temperature, the first port is closed in control, and opens the second port and the third end
Mouthful.
9. vehicle cooling control system according to claim 6, which is characterized in that the electronic control unit ECU is also used
It is higher than the first threshold temperature, and the temperature of the coolant liquid in the oil cooler in the temperature in the in-engine coolant liquid
When degree is higher than the second threshold temperature, the first port, the second port and the third port are opened in control.
10. vehicle cooling control system according to claim 1, which is characterized in that the oil cooler is arranged in vehicle
At speed changer, and for cooling down the speed changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837987.8U CN207795380U (en) | 2017-12-25 | 2017-12-25 | Vehicle cooling control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721837987.8U CN207795380U (en) | 2017-12-25 | 2017-12-25 | Vehicle cooling control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795380U true CN207795380U (en) | 2018-08-31 |
Family
ID=63282582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721837987.8U Active CN207795380U (en) | 2017-12-25 | 2017-12-25 | Vehicle cooling control system |
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| Country | Link |
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| CN (1) | CN207795380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111042A (en) * | 2022-01-12 | 2022-09-27 | 长城汽车股份有限公司 | Cooling system of vehicle, control method of cooling system of vehicle, and vehicle |
-
2017
- 2017-12-25 CN CN201721837987.8U patent/CN207795380U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111042A (en) * | 2022-01-12 | 2022-09-27 | 长城汽车股份有限公司 | Cooling system of vehicle, control method of cooling system of vehicle, and vehicle |
| CN115111042B (en) * | 2022-01-12 | 2024-05-28 | 长城汽车股份有限公司 | Cooling system for vehicle, control method for cooling system for vehicle, and vehicle |
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