CN103899405B - A kind of new type auto gearbox engine-cooling system - Google Patents
A kind of new type auto gearbox engine-cooling system Download PDFInfo
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- CN103899405B CN103899405B CN201410155736.6A CN201410155736A CN103899405B CN 103899405 B CN103899405 B CN 103899405B CN 201410155736 A CN201410155736 A CN 201410155736A CN 103899405 B CN103899405 B CN 103899405B
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Abstract
The present invention relates to a kind of new type auto gearbox engine-cooling system, comprise main radiator, secondary radiator, be connected to the main radiator outlet of main radiator and the main radiator outlet pipe of main water inlet of radiator and main radiator inleting pipe, be connected to the secondary radiator water outlet of secondary radiator and the secondary radiator outlet pipe of secondary radiator water intake and secondary radiator intake pipe, the outlet pipe of the engine water inlet be connected on motor and be connected to the engine water outlet of engine water outlet through water pump.Dispelled the heat with the in parallel of secondary radiator by main radiator, reduce the flow of each radiator, improve radiating efficiency, substantially increase the cooling effect to cooling liquid, and the cooling passed through simultaneously to engine and automatic transmission case, avoid the damage of the engine accessory power rating caused because of engine overheat, the utilization ratio of fuel oil can be improved again, improve the operating conditions of automatic transmission case.
Description
Technical field
The present invention relates to motor and gearbox technical field, be specifically related to a kind of automatic transmission case engine-cooling system.
Background technique
During engine operation, maximum combustion temperature may up to 2500 DEG C, the part contacted with high-temperature fuel gas is subject to strong heating, as in addition unsuitable cooling, can make engine overheat, volumetric efficiency declines, burn abnormal (detonation, pre-ignition etc.), machine oil goes bad and scaling loss, the friction and wear aggravation of part, cause the power character of internal-combustion engine, Economy, reliability and durability to worsen, therefore an efficient engine-cooling system seems particularly important comprehensively.The heavy-duty car of equipped automatic transmission case, the general oil cooler that adopts cools automatic transmission fluid.For making rational use of resources, compact installation, generally connects into engine cooling circuit by automatic gear-box oil cooler, using the cooling medium of the cooling liquid of engine cooling water tank as automatic gear-box oil cooler, carry out heat exchange with the gear box oil of heat, realize automatic transmission fluid cooling.Heavy-duty car especially dumping car is often in heavy duty, idling, zig zag, large throttle, the situation of bringing to a halt, motor and automatic transmission case is caused to generate heat seriously, adopt a common engine coolant case cooling effect undesirable, cause engine water temperature too high, automatic transmission case temperature is too high, have impact on the life-span of motor and automatic transmission case component and the Economy of vehicle use.
Summary of the invention
The present invention, in order to overcome the deficiency of above technology, provides a kind of new type auto gearbox engine-cooling system of cooling effect excellence.
The present invention overcomes the technological scheme that its technical problem adopts:
This new type auto gearbox engine-cooling system, comprise main radiator, secondary radiator, be connected to the main radiator outlet of main radiator and the main radiator outlet pipe of main water inlet of radiator and main radiator inleting pipe, be connected to the secondary radiator water outlet of secondary radiator and the secondary radiator outlet pipe of secondary radiator water intake and secondary radiator intake pipe, be connected to the outlet pipe of the engine water inlet on motor and be connected to the engine water outlet of engine water outlet through water pump, described main radiator inleting pipe, secondary radiator intake pipe and engine water outlet are all connected to diverter valve, described main radiator outlet pipe and secondary radiator outlet pipe are connected to intake pipe by threeway, automatic transmission case is connected to oil outlet and the filler opening of oil cooler respectively by oil outlet tube and oil inlet pipe, the water intake of described oil cooler and water outlet are connected to intake pipe and outlet pipe.
In order to improve gearbox cooling effect, oil cooler has two to be respectively oil cooler I and oil cooler II, two filler openings of described oil cooler I and oil cooler II are connected to oil inlet pipe by three-way pipe II, two oil outlets of described oil cooler I and oil cooler II are connected to oil outlet tube by three-way pipe I, the water outlet of described oil cooler I and the water intake of oil cooler II are connected by connecting tube, the water intake of described oil cooler I is connected to intake pipe, and the water outlet of described oil cooler II is connected to outlet pipe.
The invention has the beneficial effects as follows: dispelled the heat with the in parallel of secondary radiator by main radiator, reduce the flow of each radiator, improve radiating efficiency, substantially increase the cooling effect to cooling liquid, adopt diverter valve can carry out pro rate to the flow of main radiator and secondary radiator entrance, can according to the cooling liquid of the power distribution desired flow of two radiators, namely the secondary radiator load because using threeway to cause can be avoided excessive, main radiator can not full load run situation occur, can avoid again because heat energy difference causes main radiator different with secondary radiator outlet temperature thus cause temperature fluctuation to cause impacting cooler.Oil cooler I is connected with the entery and delivery port of oil cooler II and is added heat exchanger time, the filler opening of oil cooler I and oil cooler II, fuel-displaced in parallel, increases heat exchange area, improves the cooling effectiveness of oil cooler to automatic transmission fluid.And the cooling passed through simultaneously to motor and automatic transmission case, avoid the damage of the engine accessory power rating caused because of engine overheat, the utilization ratio of fuel oil can be improved again, improve the operating conditions of automatic transmission case.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure, the 1. main radiator 2. secondary radiator 3. motor 4. automatic transmission case 5. oil cooler I 6. oil cooler II 7. diverter valve 8. main radiator outlet 9. main radiator outlet pipe 10. main water inlet of radiator 12. of threeway 11. main radiator inleting pipe 13. secondary radiator outlet pipe 14. secondary radiator water outlet 15. secondary radiator water intake 16. secondary radiator intake pipe 17. engine water outlet 18. engine water outlet 19. water pump 20. engine water inlet 21. oil outlet tube 22. oil inlet pipe 23. connecting tube 24. three-way pipe I 25. three-way pipe II 26. intake pipe 27. outlet pipe.
Embodiment
Below in conjunction with accompanying drawing 1, the present invention will be further described.
This new type auto gearbox engine-cooling system, comprise main radiator 1, secondary radiator 2, be connected to the main radiator outlet 8 of main radiator 1 and the main radiator outlet pipe 9 of main water inlet of radiator 11 and main radiator inleting pipe 12, be connected to the secondary radiator water outlet 14 of secondary radiator 2 and the secondary radiator outlet pipe 13 of secondary radiator water intake 15 and secondary radiator intake pipe 16, be connected to the outlet pipe 27 of the engine water inlet 20 on motor 3 and be connected to the engine water outlet 17 of engine water outlet 18 through water pump 19, main radiator inleting pipe 12, secondary radiator intake pipe 16 and engine water outlet 17 are all connected to diverter valve 7, main radiator outlet pipe 9 and secondary radiator outlet pipe 13 are connected to intake pipe 26 by threeway 10, automatic transmission case 4 is connected to oil outlet and the filler opening of oil cooler respectively by oil outlet tube 21 and oil inlet pipe 22, the water intake of oil cooler and water outlet are connected to intake pipe 26 and outlet pipe 27.Water pump 19 works after cooling liquid pressurization that just engine water outlet 18 flows out and is delivered to diverter valve 7 by engine water outlet 17, cooling liquid is divided into two-way by diverter valve 7 and dispels the heat in main radiator inleting pipe 12 and secondary radiator intake pipe 16 enter main radiator 1 and secondary radiator 2 respectively simultaneously, flow in intake pipe 26 by main radiator outlet pipe 9 and secondary radiator outlet pipe 13 through threeway 24 with the cooled cooling liquid of secondary radiator 2 through main radiator 1, cooling liquid in intake pipe 26 flows into oil cooler, gear box oil in automatic transmission case 4 enters in oil cooler through oil inlet pipe 22 and carries out heat exchange with cooling liquid, gear box oil after cooling flows back in automatic transmission case 4 by oil outlet tube 21, realize the cooling of automatic transmission fluid.And the cooling liquid after heat exchange is by the water channel of outlet pipe 27 in the inflow engine of engine water inlet 20, motor is cooled, thus forms the circulation of whole cooling system.Dispelled the heat with the in parallel of secondary radiator 2 by main radiator 1, reduce the flow of each radiator, improve radiating efficiency, substantially increase the cooling effect to cooling liquid, adopt diverter valve can carry out pro rate to the flow of main radiator 1 and secondary radiator 2 entrance, can according to the cooling liquid of the power distribution desired flow of two radiators, namely secondary radiator 2 load because using threeway to cause can be avoided excessive, main radiator 1 can not full load run situation occur, can avoid again because heat energy difference causes main radiator 1 different with secondary radiator 2 outlet temperature thus cause temperature fluctuation to cause impacting cooler.And the cooling passed through simultaneously to engine 3 and automatic transmission case 4, avoid the damage of the engine accessory power rating caused because of engine overheat, the utilization ratio of fuel oil can be improved again, improve the operating conditions of automatic transmission case 4.
Oil cooler can have two its be respectively oil cooler I 5 and oil cooler II 6, two filler openings of oil cooler I 5 and oil cooler II 6 are connected to oil inlet pipe 22 by three-way pipe II 25, two oil outlets of oil cooler I 5 and oil cooler II 6 are connected to oil outlet tube 21 by three-way pipe I 24, the water outlet of oil cooler I 5 and the water intake of oil cooler II 6 are connected by connecting tube 23, the water intake of oil cooler I 5 is connected to intake pipe 26, and the water outlet of oil cooler II 6 is connected to outlet pipe 27.Flowed in oil cooler II 6 again by connecting tube 23 after the cooling liquid that intake pipe 26 is carried flows through oil cooler I 5 and discharge finally by outlet pipe 27, and gear box oil in automatic transmission case 4 enters oil cooler I 5 through oil outlet tube 21 by three-way pipe II 25 and oil cooler II 6 carries out heat exchange with cooling liquid simultaneously, and cooled gear box oil flows into oil outlet tube 21 through three-way pipe I 24, flowed back in automatic transmission case 4 by oil outlet tube 21 and realize circulation.The cooling effect of the gear box oil in automatic transmission case 4 is further increased by the parallel operation of two oil coolers.
Claims (1)
1. a new type auto gearbox engine-cooling system, it is characterized in that: comprise main radiator (1), secondary radiator (2), be connected to the main radiator outlet (8) of main radiator (1) and the main radiator outlet pipe (9) of main water inlet of radiator (11) and main radiator inleting pipe (12), be connected to the secondary radiator water outlet (14) of secondary radiator (2) and the secondary radiator outlet pipe (13) of secondary radiator water intake (15) and secondary radiator intake pipe (16), be connected to the outlet pipe (27) of the engine water inlet (20) on motor (3) and be connected to the engine water outlet (17) of engine water outlet (18) through water pump (19), described main radiator inleting pipe (12), secondary radiator intake pipe (16) and engine water outlet (17) are all connected to diverter valve (7), described main radiator outlet pipe (9) and secondary radiator outlet pipe (13) are connected to intake pipe (26) by threeway (10), automatic transmission case (4) is connected to oil outlet and the filler opening of oil cooler respectively by oil outlet tube (21) and oil inlet pipe (22), the water intake of described oil cooler and water outlet are connected to intake pipe (26) and outlet pipe (27), oil cooler has two to be respectively oil cooler I (5) and oil cooler II (6), two filler openings of described oil cooler I (5) and oil cooler II (6) are connected to oil inlet pipe (22) by three-way pipe II (25), two oil outlets of described oil cooler I (5) and oil cooler II (6) are connected to oil outlet tube (21) by three-way pipe I (24), the water outlet of described oil cooler I (5) and the water intake of oil cooler II (6) are connected by connecting tube (23), the water intake of described oil cooler I (5) is connected to intake pipe (26), the water outlet of described oil cooler II (6) is connected to outlet pipe (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410155736.6A CN103899405B (en) | 2014-04-18 | 2014-04-18 | A kind of new type auto gearbox engine-cooling system |
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| CN201410155736.6A CN103899405B (en) | 2014-04-18 | 2014-04-18 | A kind of new type auto gearbox engine-cooling system |
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| CN103899405A CN103899405A (en) | 2014-07-02 |
| CN103899405B true CN103899405B (en) | 2016-03-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111169275B (en) * | 2018-11-09 | 2021-05-11 | 宝沃汽车（中国）有限公司 | Power assembly cooling system and vehicle |
| CN109488444A (en) * | 2018-12-24 | 2019-03-19 | 北奔重型汽车集团有限公司 | A kind of automobile-used series connection cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4474780B2 (en) * | 2001-03-14 | 2010-06-09 | 株式会社デンソー | Hybrid electric vehicle cooling system |
| FR2915771B1 (en) * | 2007-05-03 | 2014-01-03 | Renault Sas | COOLING ASSEMBLY OF AN INTERNAL COMBUSTION ENGINE |
| CN201090283Y (en) * | 2007-09-20 | 2008-07-23 | 徐州重型机械有限公司 | Cooling device for double-circulating watercourse double-fan crane |
| CN102486115A (en) * | 2010-12-01 | 2012-06-06 | 北汽福田汽车股份有限公司 | Automobile cooling system |
| CN202348405U (en) * | 2011-12-09 | 2012-07-25 | 中联重科股份有限公司 | Radiation system for power device |
| CN203822440U (en) * | 2014-04-18 | 2014-09-10 | 中国重汽集团济南动力有限公司 | Novel cooling system for automatic gearbox and engine |
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Effective date of registration: 20230504 Address after: No. 583, Jiyan Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee after: China National Heavy Duty Truck Group Ji'nan Special Vehicle Co.,Ltd. Address before: 250002, hero mountain road, Shizhong District, Shandong, Ji'nan 165 Patentee before: China National Heavy Duty Truck Group Jinan Power Co.,Ltd. |