CN106224082A - A kind of cooling system of electric engineering car - Google Patents
A kind of cooling system of electric engineering car Download PDFInfo
- Publication number
- CN106224082A CN106224082A CN201610614225.5A CN201610614225A CN106224082A CN 106224082 A CN106224082 A CN 106224082A CN 201610614225 A CN201610614225 A CN 201610614225A CN 106224082 A CN106224082 A CN 106224082A
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooler
- oil
- electromotor
- turbocharger
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/08—Arrangements of lubricant coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/14—Lubrication of pumps; Safety measures therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/02—Intercooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/04—Lubricant cooler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/12—Turbo charger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
- F02B29/0437—Liquid cooled heat exchangers
- F02B29/0443—Layout of the coolant or refrigerant circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The cooling system of a kind of electric engineering car, including electromotor, described electromotor is configured with turbocharger, and turbocharger includes turbine, shaft coupling and compressor, is provided with EGR conduit, described EGR conduit is provided with cooler for recycled exhaust gas before turbocharger.Also include oil cooled system, for described turbocharger and electromotor are lubricated.Also include water cooling system, for oil cooled system and cooler for recycled exhaust gas are lubricated.Before described turbocharger, be additionally provided with discharge duct, for aerofluxus is introduced directly into exhaust after treatment system and without described turbocharger.The cooling system of the present invention can select whether turbocharger works, and effectively cools down turbocharger and air inlet, the cooling requirement between each thermal part of balanced engine, improves the cooling effectiveness of system on the whole.
Description
Technical field
The present invention relates to a kind of cooling system, especially relates to the cooling system of a kind of electric engineering car.
Background technology
Electric engineering car is carried out the vehicle of electric power task, is widely used in all kinds of electric power first-aid, installation task.Electric power work
During journey car routine work, travel for normal, but when performing some task, need the moment of torsion that electromotor output is bigger.As hung
When dress, trailer task, need the rotating speed of electromotor and export the level all reaching higher.Under normal circumstances, electric engineering car meeting
Use turbocharger to meet powerful demand, but turbocharger can significantly increase oil consumption, because generally starting
Before and after machine is flame-out, it is necessary to maintain the oil lubricating to turbocharger to cool down, otherwise turbocharger can be caused heat waste.When
When electric engineering car cruises, owing to need not high-power output, it is not usually required to turbocharger and is operated.But it is existing
There is a kind of system in technology can select whether turbocharger works selectively, no matter usual turbocharger is sent out
The output of motivation is the most all maintenance work state, and this has resulted in turbocharger needs to cool down simultaneously, adds
The cooling load of electromotor.
Summary of the invention
In order to solve problems of the prior art, present invention thus provides the cooling system of a kind of electric engineering car
Including electromotor, described electromotor is configured with turbocharger, and described turbocharger includes turbine, shaft coupling and compression
Machine；The exhaust end of described electromotor is configured with ERG pipe, for the portion of electromotor is introduced ERG cooler, through ERG
Waste gas after cooler cooling passes through compressed air escape pipe after mixing with the compressed air after described compressor compresses further
Enter in charge air cooler and cool down, entered the inlet end of electromotor, described air inlet the most together by inlet manifold
Cooler is arranged on described inlet manifold；Also include oil cooled system, for described turbocharger and electromotor are entered
Row lubrication；Also include water cooling system, for oil cooled system and cooler for recycled exhaust gas are lubricated；It is characterized in that, in institute
Be additionally provided with discharge duct before stating turbocharger, for aerofluxus is introduced directly into exhaust after treatment system and without described
Turbocharger.
Particularly, described oil cooled system can will be directly entered institute by crossing described turbocharger by lubricating oil
Stating in electromotor, cooling water can be introduced or other by described charge air cooler by described water cooling system.
Particularly, described oil cooled system includes machine oil refrigerating module and engine oil pipeline, and described machine oil refrigerating module is used
In filtering lubricating oil and cooling down, described engine oil pipeline lubricating oil after output filtering and cooling, at described machine oil
Being provided with machine oil bypass on pipeline, this machine oil bypass lubricating oil after filtering and cool down imports in described shaft coupling, right
Turbocharger cools down；Described engine oil pipeline is in fluid communication described electromotor, also includes machine oil drainback passage, for moistening
Lubricating oil after sliding and cooling down electromotor returns in machine oil refrigerating module.
Particularly, described water cooling system includes water pump, described for being introduced by the cooling water after radiator cools down
In machine oil refrigerating module and cooler for recycled exhaust gas, also include cooler for recycled exhaust gas pipeline, import for water will be cooled down after cooler for recycled exhaust gas
In cooling supply mains, described cooling supply mains imports in electromotor, also includes water return pipeline, described for being returned to by cooling water
In radiator；Being provided with water bypass pipe on described cooler for recycled exhaust gas pipeline, this water bypass pipe is used for will be cold at EGR
But during the cooling water of device pipeline imports described cooling supply mains after being introduced in Gas Cooler cooling down air inlet.
Particularly, described engine oil pipeline is provided with electromagnetic valve, is used for opening or closing engine oil pipeline；At described machine oil
It is also equipped with electromagnetic valve in bypass, is used for opening or closing machine oil bypass；Cooler for recycled exhaust gas pipeline is provided with electromagnetic valve
For opening or closing cooler for recycled exhaust gas pipe；It is provided with electromagnetic valve for opening or cool down water bypass at described water bypass pipe
Pipe, above-mentioned all electromagnetic valves are electrically connected on ECU, and described ECU beats according to the above-mentioned all electromagnetism of demand modeling of electromotor
Open or close and close.
Further, when ECU detects the output that electromotor needs high-power, high pulling torque, described ECU controls described whirlpool
Wheel supercharger work, the electromagnetic valve on the electromagnetic valve of control machine oil bypass simultaneously and water bypass pipe is opened, and controls EGR simultaneously
Electromagnetic valve on cooler pipeline and the closed electromagnetic valve on engine oil pipeline.
Further, when ECU detects the output that electromotor need not high-power, high pulling torque, described ECU controls aerofluxus
Other by described turbocharger, control the closed electromagnetic valve on the electromagnetic valve of machine oil bypass and water bypass pipe, together simultaneously
Time control the electromagnetic valve on cooler for recycled exhaust gas pipeline and the electromagnetic valve on engine oil pipeline is opened.
Further, when ECU detects the output that electromotor need not high-power, high pulling torque, described ECU controls aerofluxus
Other by described turbocharger, control the closed electromagnetic valve of machine oil bypass simultaneously, control the electricity on water bypass pipe simultaneously
Electromagnetic valve on magnet valve, cooler for recycled exhaust gas pipeline and the electromagnetic valve on engine oil pipeline are opened.
Further, described machine oil refrigerating module includes oil filter and oil cooler, described oil cooler bag
Including cooling core, described oil filter is twinfilter form, and wherein the first filter is for electromotor conveying
Lubricating oil filters, and described cooling core is for receiving the lubricating oil after the first filter filters, and the second filter is for by institute
State after the lubricating oil after cooling core cooling filters again and export in engine oil pipeline
The cooling system of the present invention makes when electromotor need not high-power operation, and whether lubricating oil still cools down water
All preferable through less thermal part, electromotor is cooled down by " directly ", thus the cooling effectiveness of the electromotor of the present invention
Get a promotion.And when electromotor needs high-power operation, the cooling system of the present invention can effectively to turbocharger and
Air inlet cools down, the cooling requirement between each thermal part of balanced engine, improves the cooling effectiveness of system on the whole.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, can be good at understanding the structure of the present invention, principle, work spy with reference to explained below
Point and advantage, but accompanying drawing described herein as is used for the present invention is explained further, and accompanying schematic figure is intended merely to the most right
The present invention illustrates, and the present invention does not constitute improper restriction, wherein:
Fig. 1 is the composition schematic diagram of the cooling system of electric engineering car of the present invention；
Fig. 2 is the structural representation of the machine oil refrigerating module of the cooling system of the electric engineering car of the present invention.
Detailed description of the invention
Below in conjunction with example and accompanying drawing, the invention will be further described, it is noted that following example are only
For schematically, it is not intended to limit the present invention.
With reference to Fig. 1, the cooling system of the electric engineering car of the present invention includes electromotor 1, and this electromotor 1 is configured with turbine and increases
Depressor, turbocharger includes turbine 9, shaft coupling 8 and compressor 10, and wherein turbine 9 is for receiving the useless of electromotor 1
Gas, rotates under the driving of waste gas, and drives compressor 10 to rotate by shaft coupling 8.Compressor 10 is after compressing air
It is delivered into Gas Cooler 6 to cool down, is delivered to the inlet end of electromotor 1 the most again.The exhaust end of electromotor 1 is configured with ERG
Pipe, for the portion of electromotor 1 is introduced ERG cooler 7, the waste gas after ERG cooler 7 cools down further with pressure
Enter in charge air cooler 6 cool down by compressed air escape pipe 23 after the mixing of contracting air, pass through the most together into
Gas house steward 21 enters the inlet end of electromotor 1.
The cooling system of the present invention includes lubricating oil cooling system, and with reference to Fig. 2, this lubricating oil cooling system includes that machine oil is cold
But module 5, this machine oil refrigerating module 5 includes oil filter 51 and oil cooler 52, filters through oil filter 51
Machine oil cools down further in the cooling core 52 of oil cooler 52, and the machine oil after cooling is delivered to by engine oil pipeline 15
Electromotor 1, is returned in oil filter 51 by machine oil drainback passage 17 after electromotor 1 is lubricated further and cooled down.
Being provided with machine oil bypass 16 on engine oil pipeline 15, this machine oil bypass 16 is for importing turbocharger by the lubricating oil after cooling
Shaft coupling 8 in, to cool down turbocharger, the lubricating oil after cooling turbocharger imports in engine oil pipeline 15,
Enter back into and returned in oil filter 51 by machine oil drainback passage 17 after electromotor 1 is cooled down and lubricates by electromotor 1.
The oil filter 51 of the present invention is twinfilter form, and lubricating oil initially enters in the first filter 511 and carries out
Enter in cooling core 53 after filtration, after carrying out heat exchange with the cooling water in oil cooler 52 in cooling core 53, enter back into
Filter in the second filter 512, enter in engine oil pipeline 15 after having filtered.Owing to cooling core 53 is generally by metal system
Becoming, therefore the lubricating oil through cooling core 53 also can be by certain pollution, it is therefore necessary to again filter it.
The cooling system of the present invention also includes water cooling system, and this water cooling system includes water pump 4, and water pump 4 is for will be through
Cross in the oil cooler 52 that the cooling water after radiator 2 cooling introduces machine oil refrigerating module 5, in machine oil refrigerating module 5
Lubricating oil cools down, and then cooling water is in cooling water pipeline 22 enters cooler for recycled exhaust gas 7, to the aerofluxus in cooler for recycled exhaust gas
After cooling down again in cooler for recycled exhaust gas pipeline 25 imports cooling supply mains 20, cooling supply mains 20 imports in electromotor 1,
After the cylinder of electromotor 1 and cylinder cap are cooled down, returned in radiator 2 by water return pipeline 18.At cooler for recycled exhaust gas pipeline 25
On be provided with water bypass pipe 24, this water bypass pipe 24 is for being introduced at the cooling water of ERG cooler pipeline 25
Import in cooling water pipeline 20 after air inlet is cooled down by Gas Cooler 6.
Engine oil pipeline 15 is provided with electromagnetic valve 14, is used for opening or closing engine oil pipeline 15.In machine oil bypass 16 also
It is provided with electromagnetic valve 13, is used for opening or closing machine oil bypass 16.Cooler for recycled exhaust gas pipeline 25 be provided with electromagnetic valve 11 for
Open or close cooler for recycled exhaust gas pipeline 25.Water bypass pipe 24 is provided with electromagnetic valve 12 for opening or water bypass pipe
24.Above-mentioned electromagnetic valve 11,12,13,14 is electrically connected on ECU3.ECU3 is according to the above-mentioned electromagnetic valve of demand modeling of electromotor 3
11,12,13,14 open or close.
Electric engineering car needs powerful output often in execution task, now needs to use turbocharger operation,
To improve the moment of torsion output of electromotor.But when electric engineering car cruises, the most only need powered by conventional energy output, be not required to
Wanting high-power output, now, optimal operational approach is that turbocharger is in off position, and aerofluxus is directly other passes through turbine
Supercharger enters exhaust after treatment system.Turbocharger can improve the power output of electromotor, but due to turbocharger
Use need lubricating oil to cool down, therefore improve the temperature of lubricating oil.Need lubricating oil is carried out extra heat radiation.This
It is disadvantageous for the heat stability of system.Therefore, turbocharger is intermittently used extremely to be necessary.
In the present invention, when ECU detects the output that electromotor needs high-power, high pulling torque, such as electric engineering car
When carrying out trailer, lifting task, the aerofluxus of ECU3 control electromotor 1 initially enters in the turbine 9 of turbocharger, drives whirlpool
Wheel supercharger is operated, and discharges through exhaust after treatment system 19 the most again.Now, ECU3 controls electromagnetic valve 12 and electricity simultaneously
Magnet valve 13 is opened, and electromagnetic valve 11 and electromagnetic valve 14 are closed.So, owing to the electromagnetic valve 13 of machine oil bypass 16 is opened, and machine oil
Electromagnetic valve 14 on pipeline 15 cuts out, and therefore lubricating oil first passes around the shaft coupling 8 of turbocharger and carries out turbocharger
After lubrication and cooling, then in engine oil pipeline 15 enters electromotor 1, electromotor it is lubricated and cools down, eventually passing machine oil
Drainback passage 17 returns in oil filter 51.Meanwhile, due to the compressor 10 of turbocharger, inlet air is entered
Having gone compression, therefore the intake air temperature after compression is greatly improved, and therefore, now ECU3 controls cooler for recycled exhaust gas pipeline
Electromagnetic valve 11 on 25 cuts out, and the electromagnetic valve 12 on water bypass pipe 24 is opened, and now cooling water will be in cooling EGR cooling
Cool down charge air cooler 6 after device 7 further, import the most again in cooling supply mains 20.Thus, increase when the output of electromotor 3
Time, turbocharger and waste gas recirculation use simultaneously, cooling water simultaneously to the air after turbocharger and compression with follow again
The gaseous mixture of ring waste gas cools down, and effectively meets the cooling requirement of electromotor, improves engine efficiency and thermally-stabilised
Property.
When electromotor 3 is in cruising rating, during as normally travelled, now EUC3 controls aerofluxus without turbocharging
Device, is directly entered exhaust aftertreatment device 19.Owing to turbocharger does not works, the most now need not turbocharger is entered
Row cooling and lubrication, the electromagnetic valve 13 that ECU3 controls in machine oil bypass 16 cuts out, and the electromagnetic valve 14 on engine oil pipeline 15 is opened,
During now lubricating oil is directly entered electromotor 1, electromotor cooled down and lubricate, thus improve the cooling effectiveness of electromotor.
Simultaneously because turbocharger does not works, therefore need not carry out charge air cooler 6 flat-out cooling, now ECU3 controls
The electromagnetic valve 11 of cooler for recycled exhaust gas pipeline 25 is opened, and the electromagnetic valve 12 simultaneously controlling water bypass pipe 24 is also opened, such part
Charge air cooler 6 is cooled down by cooling water, and part cools down, and water is directly other is directly entered cooling water by charge air cooler 6
In house steward 20.Thus cool down water temperature will not Sheng get Tai Gao, can preferably electromotor 1 be lubricated.At one preferably
Embodiment in, ECU3 control cooler for recycled exhaust gas pipeline 25 electromagnetic valve 11 open, simultaneously control water bypass pipe 24 electromagnetism
Valve 12 cuts out, and cooling water is directly other to be directly entered by charge air cooler 6 in cooling supply mains 20, and charge air cooler 6 only depends on
Cool down by atmospheric air.Thus, air inlet can not be cooled down and directly cool down electromotor 1 by cooling water, joint
Save cold.
When electromotor need not high-power operation, whether lubricating oil still cools down water all preferable through less underground heat
Parts, electromotor is cooled down by " directly ", and thus the cooling effectiveness of the electromotor of the present invention gets a promotion.
And when electromotor needs high-power operation, the cooling system of the present invention can be effectively to turbocharger and entering
Gas cools down, the cooling requirement between each thermal part of balanced engine, improves the cooling effectiveness of system on the whole.
Although the present invention being described in detail already in connection with embodiment, but skilled artisan would appreciate that
Ground is that the present invention is not limited only to specific embodiment, on the contrary, without departing from the application spirit and the various corrections of essence, becomes
Shape and replacement all fall among the protection domain of the application.
Claims (9)
1. the cooling system of electric engineering car includes that an electromotor, described electromotor are configured with turbocharger, described turbine
Supercharger includes turbine, shaft coupling and compressor；The exhaust end of described electromotor is configured with ERG pipe, for by electromotor
Portion introduce ERG cooler, through ERG cooler cool down after waste gas further with described compressor compresses after compression
Entered in charge air cooler by compressed air escape pipe after air mixing and cool down, pass through inlet manifold the most together
Entering the inlet end of electromotor, described charge air cooler is arranged on described inlet manifold；Also include oil cooled system, be used for
Described turbocharger and electromotor are lubricated；Also include water cooling system, for oil cooled system and EGR are cooled down
Device is lubricated；It is characterized in that, before described turbocharger, be additionally provided with discharge duct, for aerofluxus is introduced directly into
Exhaust after treatment system and without described turbocharger.
2. the cooling system of electric engineering car as claimed in claim 1, it is characterised in that: described oil cooled system can be by
Being directly entered in described electromotor by crossing described turbocharger by lubricating oil, described water cooling system can will cool down water
Introduce or other by described charge air cooler.
3. the cooling system of electric engineering car as claimed in claim 2, it is characterised in that described oil cooled system includes machine
Oil cooling module and engine oil pipeline, described machine oil refrigerating module is for filtering lubricating oil and cooling down, described engine oil pipeline
Lubricating oil after output filtering and cooling, is provided with machine oil bypass on described engine oil pipeline, and the bypass of this machine oil is used for will
Lubricating oil after filtering and cooling down imports in described shaft coupling, cools down turbocharger；Described engine oil pipeline fluid is even
Logical described electromotor, also includes machine oil drainback passage, cold for the lubricating oil after lubrication and cooling electromotor is returned to machine oil
But in module.
4. the cooling system of electric engineering car as claimed in claim 2, it is characterised in that described water cooling system includes water
Pump, for being introduced in described machine oil refrigerating module and cooler for recycled exhaust gas by the cooling water after radiator cools down, also includes EGR
Cooler pipeline, imports in cooling supply mains for cooling down water after cooler for recycled exhaust gas, and described cooling supply mains imports and starts
In machine, also include water return pipeline, for being returned in described radiator by cooling water；Described cooler for recycled exhaust gas pipeline is arranged
Having water bypass pipe, this water bypass pipe is right for being introduced in Gas Cooler by the cooling water at cooler for recycled exhaust gas pipeline
Air inlet imports after cooling down in described cooling supply mains.
5. the cooling system of electric engineering car as claimed in claim 4, it is characterised in that be provided with on described engine oil pipeline
Electromagnetic valve, is used for opening or closing engine oil pipeline；The bypass of described machine oil is also equipped with electromagnetic valve, opens or closes for being used for beating
Close machine oil bypass；Cooler for recycled exhaust gas pipeline is provided with electromagnetic valve for opening or closing cooler for recycled exhaust gas pipe；In described cooling
Water bypass pipe is provided with electromagnetic valve for opening or water bypass pipe, and above-mentioned all electromagnetic valves are electrically connected on ECU, described
ECU opens or closes according to the above-mentioned all electromagnetism of demand modeling of electromotor.
6. the cooling system of electric engineering car as claimed in claim 5, it is characterised in that when ECU detects electromotor needs
During the output of high-power, high pulling torque, described ECU controls described turbocharger operation, controls the electromagnetic valve of machine oil bypass simultaneously
Open with the electromagnetic valve on water bypass pipe, control the electromagnetic valve on cooler for recycled exhaust gas pipeline and the electricity on engine oil pipeline simultaneously
Magnet valve is closed.
7. the cooling system of electric engineering car as claimed in claim 5, it is characterised in that when ECU detects that electromotor is not required to
During the output of high-power, high pulling torque, described ECU controls exhaust bypass and crosses described turbocharger, controls machine oil bypass simultaneously
Electromagnetic valve and water bypass pipe on closed electromagnetic valve, control the electromagnetic valve on cooler for recycled exhaust gas pipeline and machine oil pipe simultaneously
Electromagnetic valve on road is opened.
8. the cooling system of electric engineering car as claimed in claim 5, it is characterised in that when ECU detects that electromotor is not required to
During the output of high-power, high pulling torque, described ECU controls exhaust bypass and crosses described turbocharger, controls machine oil bypass simultaneously
Closed electromagnetic valve, control the electromagnetic valve on water bypass pipe, the electromagnetic valve on cooler for recycled exhaust gas pipeline and engine oil pipeline simultaneously
On electromagnetic valve open.
9. the cooling system of the electric engineering car as described in claim 1-8 any one, it is characterised in that described machine oil cools down
Module includes that oil filter and oil cooler, described oil cooler include that cooling core, described oil filter are
Twinfilter form, wherein the first filter filters for the lubricating oil carrying out electromotor conveying, and described cooling core is used for
Receiving the lubricating oil after the first filter filters, second filter lubricating oil after being cooled down by described cooling core is carried out again
Export in engine oil pipeline after filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614225.5A CN106224082B (en) | 2016-07-29 | 2016-07-29 | A kind of cooling system of electric engineering car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614225.5A CN106224082B (en) | 2016-07-29 | 2016-07-29 | A kind of cooling system of electric engineering car |
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| CN106224082A true CN106224082A (en) | 2016-12-14 |
| CN106224082B CN106224082B (en) | 2019-04-19 |
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| CN203978589U (en) * | 2014-06-27 | 2014-12-03 | 长城汽车股份有限公司 | A kind of coolant circulation system of motor and vehicle |
| CN204344190U (en) * | 2014-11-13 | 2015-05-20 | 北汽福田汽车股份有限公司 | Motor and there is the vehicle of this motor |
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