CN207864042U - Engine thermal management system and engine - Google Patents
Engine thermal management system and engine Download PDFInfo
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- CN207864042U CN207864042U CN201820010712.5U CN201820010712U CN207864042U CN 207864042 U CN207864042 U CN 207864042U CN 201820010712 U CN201820010712 U CN 201820010712U CN 207864042 U CN207864042 U CN 207864042U
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- thermal management
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Abstract
The utility model discloses a kind of engine thermal management system and engines.Engine thermal management system includes：Feed pump；First rotary ball valve, the heat exchange for controlling cylinder body water jacket；Second rotary ball valve flows to radiator or engine water inlet for controlling the fluid flowed out from engine water jacket；Third rotary ball valve flows into engine motor oil heat exchanger and gearbox machine oil heat exchanger for controlling fluid from engine water inlet or cylinder cover water jacket；Water temperature sensor is arranged in one or more of engine water inlet, cylinder body water jacket, cylinder cover water jacket effluent pipe mouth, engine water outlet, radiator outlet and heater cores water outlet place.Engine thermal management system according to the present utility model can accurately manage the heat of engine.
Description
Technical field
The utility model is related to automotive fields, in particular to a kind of engine thermal management system, particularly for carrying
The engine of shunting cooling system, the utility model, which relates to, to be further related to a kind of with such engine thermal management system start
Machine.
Background technology
Engine-cooling system is an auxiliary system of engine interior, and main function is the pressure by coolant liquid
It circulates and the extra heat of engine interior is taken away, the key components and parts of engine is avoided to be damaged because of overheat, in addition, cold
But system also provides heat and is heated to passenger compartment.
Under severe international environment problem and increasingly harsh oil consumption emission regulation increasingly, traditional engine cool
System is far from meeting various requirement, cooling system of the engine in addition to needing its guaranteed secured premise, it is also necessary to fully
Using burning caused by energy, improve the thermal efficiency, the reduction oil consumption and discharge of maximum possible.
Utility model content
The utility model proposes a kind of engine thermal management systems, can accurately be managed the heat of engine,
Unnecessary thermal loss, the ground of maximum limit is avoided to improve capacity usage ratio, to seek to meet simultaneously safety, low oil consumption row
It puts, passenger comfort, the optimal case of OBD II diagnosis etc..
According to the engine thermal management system that the utility model proposes on one side, including：
Feed pump；
First rotary ball valve, the heat exchange for controlling cylinder body water jacket；
Second rotary ball valve flows to radiator or engine water inlet for controlling the fluid flowed out from engine water jacket；
Third rotary ball valve flows into engine motor oil heat exchanger for controlling fluid from engine water inlet or cylinder cover water jacket
With gearbox machine oil heat exchanger；
Water temperature sensor is arranged in engine water inlet, cylinder body water jacket, cylinder cover water jacket effluent pipe mouth, engine water outlet
One or more of mouth, radiator outlet and heater cores water outlet place.
According to the engine thermal management system that one embodiment of the utility model proposes, first rotary ball valve, institute
It states the second rotary ball valve and the third rotary ball valve is integrated in rotary ball valve assembly.
According to the engine thermal management system that one embodiment of the utility model proposes, the rotary ball valve assembly arrangement
In engine water outlet.
According to the engine thermal management system that one embodiment of the utility model proposes, the rotary ball valve assembly is electricity
Control.
According to the engine thermal management system that one embodiment of the utility model proposes, second rotary ball valve and institute
Third rotary ball valve is stated to be driven by common motor.
According to the engine thermal management system that one embodiment of the utility model proposes, the feed pump is electronic water
Pump.
According to the engine thermal management system that one embodiment of the utility model proposes, the feed pump, which is arranged in, to be started
Machine water inlet.
According to the engine thermal management system that one embodiment of the utility model proposes, the engine motor oil heat exchanger
It is in parallel in flow path with the gearbox machine oil heat exchanger.
In addition, the utility model proposes a kind of engines with such engine thermal management system.Since this starts
Machine carries engine thermal management system according to the present utility model, therefore can have the advantages that as described above.
The beneficial effects of the utility model include：By the way that water temperature sensor is arranged and controls each flow path or cycle
Rotary ball valve, engine thermal management system from the overall situation of system, can consider engine burning, supercharging and into
Exhaust, the heat transfer of cooling system and enging cabin, control each flow path or cycle, to improve the efficiency of cycle,
Reduce thermic load, control the limiting temperature and Temperature Distribution changing rule of engine components, keep engine preferably dynamic property,
Economy, reliability and emission performance.
Description of the drawings
It is explained with reference to the disclosure of the utility model.It is to be appreciated that attached drawing is merely illustrative purpose, and simultaneously
It is not intended to be construed as limiting the scope of protection of the utility model.In figure：
Fig. 1 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" zero delivery " pattern；
Fig. 2 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" engine warm-up+warm wind " pattern or " engine shutdown+warm wind " pattern；
Fig. 3 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" engine rapid warming-up+warm wind+in big load " pattern；
Fig. 4 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" engine/gearbox machine oil heating " pattern；
Fig. 5 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" normal operation+engine/gearbox machine oil cooling " pattern；
Fig. 6 schematically illustrates the flow circuit diagram of engine thermal management system operation according to the present utility model, wherein being in
" maximum one " pattern or " engine shutdown+cooling " pattern.
Specific implementation mode
An embodiment according to the present utility model, engine thermal management system are included in the water inlet arrangement electricity of engine
Feed pump is controlled, which collects multiple circulation streams, including it is not limited to " large and small cycles " flow path of traditional sense, it is medium and small
Recycle the circuit by multiple parallel connections（Such as machine oil heat exchanger, heater cores and booster）Composition；It is arranged in engine water outlet
Intelligent electric-controlled rotary ball valve assembly：The automatically controlled rotary ball valve of cylinder body water jacket heat exchange can individually be controlled, can control fluid by
Then selection flows to radiator fan or flows back to the automatically controlled rotary ball valve of feed pump entrance for engine water jacket outflow, can control fluid
Engine motor oil heat exchanger and gearbox in parallel are directly flowed by pump outlet or by enmgine exhaust water jacket
The automatically controlled rotary ball valve of machine oil heat exchanger；The automatically controlled rotary ball valve assembly integrates multiple cavates, for collecting respectively from cylinder body
The flow path of water jacket, cylinder cover water jacket and exhaust manifold water jacket, collects the flow path of exit of pump and exhaust manifold water jacket, then shunts in water
Pump intake, radiator inlet and engine motor oil heat exchanger and gearbox machine oil heat exchanger；For engine body, use
Cylinder cover water jacket, cylinder body water jacket and the exhaust manifold water jacket for being integrated in cylinder cap of shunting heat exchange structure；For the cooling of booster
Heat exchange, is cooled down using independent booster into return water passage；Fully to detect and control changing for user at different levels in heat management system
Enthusiasm condition, engine water inlet, cylinder body water jacket, exhaust manifold effluent pipe mouth, engine water outlet, radiator fan water outlet and
Corresponding water temperature sensor is arranged in heater cores intake-outlet corresponding position, monitors water temperature in real time, as the input needed for control
Parameter and OBDII real-time diagnosis foundations.Wherein it is preferred to which the rotating speed of electronics feed pump needs the target MAP according to heat exchange amount
It is controlled with water inflow of the engine temperature MAP, while also needing to coordinate the angle position of automatically controlled rotary ball valve to realize various controls
Coolant temperature needed under pattern and flow.
The key of engine thermal management system is the matching run with engine and the choosing of system optimization control strategy
It selects.Heat management system efficiency is largely dependent upon system optimization control strategy, and control object includes pump rotary speed and cooling
Rotation speed of the fan etc..According to automobile engine real work and test situation intelligence can be formulated according to system optimization principle
Automatically controlled heat management system control strategy, makes engine be operated in optimum temperature range under different operating modes.
Main pump using electronic water pump as engine thermal management system substitutes traditional mechanical water pump or switching regulator water
Pump, can reliably control feed pump under any operating mode of engine.
Intelligent electric-controlled rotary ball valve assembly is arranged in engine water outlet, can realize cylinder body water jacket of engine, cylinder cap respectively
Water jacket flow path sum aggregate at exhaust manifold water jacket flow path independent control；It can realize the on-demand switching of engine " large and small cycles "；
It may be implemented " heating and the cooling on demand " of engine motor oil heat exchanger and gearbox machine oil heat exchanger；It can be shut down in engine
Flow is provided to meet the needs of its heat exchange to booster flow path and heater cores by electronics feed pump afterwards.
The mechanism of engine thermal management system Main Basiss energy conversion each parts — that is, is in opposite heat tube reason system
The energy requirement of each " user " i.e. in system " heat exchange amount " is strictly accurately controlled, thus almost in the disengaging of all " users "
Mouth runner arranges water temperature sensor, to reach accurate " giving " or " taking away " on-demand " heat exchange amount ", finally reaches offer energy
The purpose of utilization rate, also the various control pattern for system in active heat pipe provides condition, while meeting wanting for OBD II diagnosis
It asks.
The engine thermal management system can be in the coupling of engine electric-controlled feed pump and the automatically controlled rotary ball valve of multiple flow passages
Under matching, a variety of Active Control Modes is set on demand, to greatest extent aggregative equilibrium rapid warming-up, reduce friction, improve burning and carry
High thermal efficiency, reduce discharge and the purpose of driver comfort optimal policy realization.
The operation of engine thermal management system according to the present utility model is illustrated below by way of attached drawing.Wherein,
Expansion tank is the common components of engine-cooling system, the peak of cooling system is arranged in, for supplementing coolant liquid and tune
Save cooling system internal pressure.
According to Fig. 1, in " zero delivery " pattern, engine electric-controlled feed pump rotating speed is set as " 0 ", intelligent electric-controlled screw
The fully closed state in all channels is arranged in valve assembly；It does not flow, thus is exchanged without the heat convection of fluid, purpose under the pattern
It is to allow water temperature to rise to target point as early as possible.
According to fig. 2, in engine warm-up+warm wind " in pattern, to meet warm wind demand, engine electric-controlled feed pump turns
Speed heat exchange amount and water temperature needed for system determine that it is fully closed state that intelligent electric-controlled rotary ball valve assembly, which is set as all channels,；
In " engine shutdown+warm wind " pattern, the rotating speed of engine stop work, automatically controlled feed pump is true by specific warm wind heat exchange demand
Fixed, cylinder body ball valve angle position is determined by cylinder body water temperature, other intelligent electric-controlled rotary ball valve angle positions are closed.
According to fig. 3, in " engine rapid warming-up+warm wind+in big load " pattern, the rotating speed of engine electric-controlled feed pump
Heat exchange amount and water temperature, engine temperature difference between the inlet and outlet water determine needed for system, and the angle position of cylinder body ball valve is determined by cylinder body water temperature
Fixed, the angle setting of other intelligent electric-controlled rotary ball valves is determined by system heat exchange amount and each water temperature.
According to Fig. 4, in " engine/gearbox machine oil heating " pattern, the rotating speed of engine electric-controlled feed pump is by starting
Machine temperature difference between the inlet and outlet water determines that the angle position of cylinder body ball valve is determined by cylinder body water temperature, the angle of other intelligent electric-controlled rotary ball valves
Degree setting is determined by system heat exchange amount and each water temperature.
According to Fig. 5, in " normal operation+engine/gearbox machine oil cooling " pattern, engine electric-controlled feed pump turns
Speed determines that the angle of all intelligent electric-controlled rotary ball valves is set as being all turned on state, specific angle by engine disengaging water temperature difference
Degree is determined by system heat exchange amount and each water temperature.
According to Fig. 6, in " maximum one " pattern, the rotating speed of engine electric-controlled feed pump is passed in and out by system engine
Water temperature difference determines that systemic circulation fully opens, and partial circulating is closed, and the angle of intelligent electric-controlled rotary ball valve is determined by each water temperature；In " hair
In motivation shutdown+cooling " pattern, engine stop work, the rotating speed of automatically controlled feed pump is determined by system heat exchange amount and each water temperature,
The angle of all intelligent electric-controlled rotary ball valves is opened, and all cooling requirements after shutting down are met.
The utility model further includes a kind of engine, carries the engine thermal of any one or more embodiment above-mentioned
Management system, therefore the technical characteristic carried and the technique effect having correspond to the description of front, therefore no longer go to live in the household of one's in-laws on getting married herein
It states.
The technical scope of the utility model is not limited solely to the content in above description, and those skilled in the art can be
Under the premise of not departing from the utility model technological thought, to above-described embodiment carry out many variations and modifications, and these deformation and
Modification should all be fallen within the protection scope of the present invention.
Claims (9)
1. a kind of engine thermal management system, which is characterized in that the engine thermal management system includes：
Feed pump；
First rotary ball valve, the heat exchange for controlling cylinder body water jacket；
Second rotary ball valve flows to radiator or engine water inlet for controlling the fluid flowed out from engine water jacket；
Third rotary ball valve flows into engine motor oil heat exchanger and change for controlling fluid from engine water inlet or cylinder cover water jacket
Fast punch-out equipment oil heat exchanger；
Water temperature sensor is arranged in engine water inlet, cylinder body water jacket, cylinder cover water jacket effluent pipe mouth, engine water outlet, dissipates
One or more of hot device water outlet and heater cores water outlet place.
2. engine thermal management system according to claim 1, which is characterized in that first rotary ball valve, described
Two rotary ball valves and the third rotary ball valve are integrated in rotary ball valve assembly.
3. engine thermal management system according to claim 2, which is characterized in that the rotary ball valve assembly is arranged in hair
Motivation water outlet.
4. engine thermal management system according to claim 2, which is characterized in that the rotary ball valve assembly is automatically controlled
's.
5. engine thermal management system according to claim 2, which is characterized in that second rotary ball valve and described
Three rotary ball valves are driven by common motor.
6. engine thermal management system according to claim 1, which is characterized in that the feed pump is electronic water pump.
7. engine thermal management system according to claim 1, which is characterized in that the feed pump is arranged in engine and enters
The mouth of a river.
8. engine thermal management system according to claim 1, which is characterized in that the engine motor oil heat exchanger and institute
It is in parallel in flow path to state gearbox machine oil heat exchanger.
9. a kind of engine, which is characterized in that it includes with good grounds engine heat pipes described in any item of the claim 1 to 8
Reason system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010712.5U CN207864042U (en) | 2018-01-04 | 2018-01-04 | Engine thermal management system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820010712.5U CN207864042U (en) | 2018-01-04 | 2018-01-04 | Engine thermal management system and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864042U true CN207864042U (en) | 2018-09-14 |
Family
ID=63464753
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820010712.5U Active CN207864042U (en) | 2018-01-04 | 2018-01-04 | Engine thermal management system and engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN207864042U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966077A (en) * | 2018-09-28 | 2020-04-07 | 长城汽车股份有限公司 | Internal combustion engine cooling system, control method and vehicle |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN111964917A (en) * | 2020-08-10 | 2020-11-20 | 上海元城汽车技术有限公司 | Vehicle control method, device and system and vehicle |
| CN115506879A (en) * | 2022-07-29 | 2022-12-23 | 重庆长安汽车股份有限公司 | Thermal management system of vehicle and vehicle |
-
2018
- 2018-01-04 CN CN201820010712.5U patent/CN207864042U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966077A (en) * | 2018-09-28 | 2020-04-07 | 长城汽车股份有限公司 | Internal combustion engine cooling system, control method and vehicle |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN111964917A (en) * | 2020-08-10 | 2020-11-20 | 上海元城汽车技术有限公司 | Vehicle control method, device and system and vehicle |
| CN115506879A (en) * | 2022-07-29 | 2022-12-23 | 重庆长安汽车股份有限公司 | Thermal management system of vehicle and vehicle |
| CN115506879B (en) * | 2022-07-29 | 2024-04-09 | 重庆长安汽车股份有限公司 | Thermal management system of vehicle and vehicle |
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