CN102678368A - Engine - Google Patents
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- CN102678368A CN102678368A CN2012101692439A CN201210169243A CN102678368A CN 102678368 A CN102678368 A CN 102678368A CN 2012101692439 A CN2012101692439 A CN 2012101692439A CN 201210169243 A CN201210169243 A CN 201210169243A CN 102678368 A CN102678368 A CN 102678368A
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- water jacket
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Abstract
The embodiment of the invention discloses an engine, relates to the technical field of automobiles and aims at improving the cooling effect of the engine. The engine comprises a cylinder body, a cylinder cover is covered on the cylinder body, a plurality of cylinder barrels and a cylinder body water jacket around the cylinder barrels are arranged on the cylinder body, the cylinder body water jacket is arranged on the cylinder cover, and the cylinder body water jacket comprises a water jacket on the air inlet side of the cylinder body and the water jacket on the exhaust side of the cylinder body, wherein the water jacket on the air inlet side of the cylinder body and the water jacket on the exhaust side of the cylinder body are mutually isolated, a water inlet is further arranged on the water jacket on the exhaust side of the cylinder body, a water outlet is arranged on the water jacket on the air inlet side of the cylinder body, and cooling water can enter into the water jacket on the exhaust side of the cylinder body from the water inlet, further enter into the cylinder cover water jacket from the water jacket on the exhaust side of the cylinder body, then enter into the water jacket on the air inlet side of the cylinder body from the cylinder cover water jacket and finally flow out of the water outlet. The engine disclosed by the invention is used for cooling the periphery of the cylinder barrels of the engine.
Description
Technical field
The present invention relates to automobile technical field, relate in particular to a kind of motor.
Background technique
Development along with automotive engineering; A lot of new technologies are applied in the motor car engine; The power of motor is continued to increase; The heat load of motor is also increasingly high simultaneously, and the quality of engine-cooling system is directly connected to the life-span of motor, and engine-cooling system is bad to be easy to cause motor to damage.
Engine-cooling system mainly comprises motor water system and engine cooling water jacket structure; The engine cooling water jacket structure is made up of cylinder body water jacket and cylinder cap water jacket; Cylinder body water jacket comprises cylinder body air inlet side water jacket and cylinder body exhaust side water jacket; And this cylinder body air inlet side water jacket and cylinder body exhaust side water jacket are whole to be communicated with, so traditional flow of cooling water path generally is: cooling water gets into from cylinder body one side through water system, behind cylinder body water jacket, passes the cylinder pad and enters in the cylinder cap water jacket; Flow out from cylinder cap water jacket one end then, promptly in-engine water cycle is to flow to cylinder cap from cylinder body.The import and export of cooling water lay respectively on cylinder body and the cylinder cap.Cooling water also is after absorbing the heat of cylinder body earlier, absorbs the heat of cylinder cap again, flows out from cylinder cap at last.
Be communicated with because cylinder body air inlet side water jacket and cylinder body exhaust side water jacket are whole; So cooling water gets into cylinder body water jacket from cylinder body one side water intake; The whole cylinder body water jacket of flowing through could be realized the cooling around the cylinder barrel; The slow slough that forms easily of regional water velocity far away apart from water intake like this causes inhomogeneous cooling even, and cylinder barrel is easily because of the uneven risk of distortion that produces of being heated; And because the whole connection of cylinder body air inlet side water jacket and cylinder body exhaust side water jacket, in-engine water cycle is to flow to cylinder cap from cylinder body, the cooling water that enters into the cylinder cap water jacket like this is the high temperature current behind the absorption cylinder body heat, and is relatively poor relatively to the cylinder cap cooling effect.
Summary of the invention
Embodiments of the invention provide a kind of motor, improve the circulating path of cooling water through the structure of improving engine cooling water jacket, thereby strengthen the cooling effect to motor.
For achieving the above object, embodiments of the invention adopt following technological scheme:
A kind of motor comprises cylinder body, is coated with cylinder cap on the said cylinder body; And said cylinder body is provided with a plurality of cylinder barrels and around the cylinder body water jacket of said cylinder barrel, said cylinder cap is provided with the cylinder cap water jacket, and said cylinder body water jacket comprises cylinder body air inlet side water jacket and cylinder body exhaust side water jacket; Wherein, Said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are isolated each other, and said cylinder body exhaust side water jacket is provided with water intake, and said cylinder body air inlet side water jacket is provided with water outlet; Cooling water enters into said cylinder body exhaust side water jacket through said water intake; Again from said cylinder body exhaust side water jacket to said cylinder cap water jacket, then from said cylinder cap water jacket again to said cylinder body air inlet side water jacket, flow out from said water outlet at last.
Secondly, be provided with communication passage in the front-end and back-end of said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket, said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are through said communication passage locally connected.
Further, the join domain between each said cylinder barrel forms bridge of the nose district, and the said bridge of the nose is provided with the cooling channel in the district, and an end of said cooling channel is communicated with said cylinder body exhaust side water jacket, the other end is communicated with said cylinder body air inlet side water jacket.
Preferably, said cooling channel is the V-type cooling channel.
Preferably, said V-type cooling channel is two, the depth direction arranged of the said cylinder barrel in edge, two said V-type cooling channels.
Secondly, the rear end of said cylinder body exhaust side water jacket and said cylinder body air inlet side water jacket adjacent areas form flow dead, and said flow dead and cooling water flow zone adjacent areas are provided with guide rib, and said guide rib guides to said flow dead with cooling water.
Secondly, said cylinder body is the six-in-line cylinder body.
Further, said water intake is located between two, three cylinders, and said water outlet is located between three, four cylinders.
The motor that the embodiment of the invention provides; Its cooling jacket comprises the cylinder cap water jacket and around the cylinder body water jacket of said cylinder barrel, said cylinder body water jacket is divided into cylinder body air inlet side water jacket and cylinder body exhaust side water jacket again, and said cylinder body air inlet side water jacket and cylinder body exhaust side water jacket are isolated each other; And said cylinder body exhaust side water jacket is provided with water intake; Said cylinder body air inlet side water jacket is provided with water outlet, and the water circulation of cooling water is like this: cooling water enters into said cylinder body exhaust side water jacket through said water intake, again from cylinder body exhaust side water jacket to said cylinder cap water jacket; Then from said cylinder cap water jacket again to said cylinder body air inlet side water jacket, flow out from said water outlet at last.Therefore, cooling water flows in the cylinder body water jacket from water intake, just goes up water to the cylinder cap water jacket after just in cylinder body exhaust side water jacket, flowing, rather than the whole cylinder body water jacket of flowing through, and distance of flow shortens half the; Then through water under the cylinder cap filling pipe end to cylinder body air inlet side water jacket, the cooling water of corresponding each cylinder of cylinder body air inlet side water jacket is even, cooling effect is better relatively; And flow to the heat that the interior cooling water of cylinder cap water jacket has only absorbed a cylinder body part, better relatively than the cooling water that absorbs the cylinder body net quantity of heat to the cooling effect of cylinder cap.Therefore finally strengthened the intensity of cooling of cooling water on the whole to motor.
Description of drawings
Fig. 1 is the housing structure plan view of embodiment of the invention motor;
Fig. 2 is the perspective view of the cylinder body water jacket core of embodiment of the invention motor.
Embodiment
Should be clear and definite, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiments that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The motor that the embodiment of the invention provides comprises cylinder body and cylinder cap; Said cylinder cap covers on the said cylinder body; Wherein said cylinder body is provided with a plurality of cylinder barrels; Said cylinder barrel is used for realizing the mixing and the burning of oil gas and emitting heat, therefore said cylinder barrel around be to bear the highest zone of heat with cylinder cap, the cooling system of motor mainly be to cylinder barrel on every side and cylinder cap cool off.Therefore the cooling system of describing embodiment of the invention motor below in conjunction with Fig. 1 and Fig. 2 is described in detail.
Fig. 1 is the housing structure plan view of embodiment of the invention motor, and Fig. 2 is the perspective view of the cylinder body water jacket core of embodiment of the invention motor.
A kind of motor comprises cylinder body, is coated with cylinder cap (not shown) on the said cylinder body; And said cylinder body is provided with a plurality of cylinder barrels 2 and around the cylinder body water jacket 1 of cylinder barrel 2, said cylinder cap is provided with cylinder cap water jacket (not shown), and cylinder body water jacket 1 comprises cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12; Wherein, Cylinder body exhaust side water jacket 11 is isolated with cylinder body air inlet side water jacket 12 each other, and cylinder body exhaust side water jacket 11 is provided with water intake (not shown), and cylinder body air inlet side water jacket 12 is provided with water outlet (not shown); Cooling water enters into cylinder body exhaust side water jacket 11 through said water intake; Again from cylinder body exhaust side water jacket 11 to said cylinder cap water jacket, then from said cylinder cap water jacket again to cylinder body air inlet side water jacket 12, flow out from said water outlet at last.
The motor that the embodiment of the invention provides; Its cooling jacket comprises the cylinder cap water jacket and around the cylinder body water jacket of said cylinder barrel, said cylinder body water jacket is divided into cylinder body air inlet side water jacket and cylinder body exhaust side water jacket again, and said cylinder body air inlet side water jacket and cylinder body exhaust side water jacket are isolated each other; And said cylinder body exhaust side water jacket is provided with water intake; Said cylinder body air inlet side water jacket is provided with water outlet, and the water circulation of cooling water is like this: cooling water enters into said cylinder body exhaust side water jacket through said water intake, again from cylinder body exhaust side water jacket to said cylinder cap water jacket; Then from said cylinder cap water jacket again to said cylinder body air inlet side water jacket, flow out from said water outlet at last.Therefore, cooling water flows in the cylinder body water jacket from water intake, just goes up water to the cylinder cap water jacket after just in cylinder body exhaust side water jacket, flowing, rather than the whole cylinder body water jacket of flowing through, and distance of flow shortens half the; Then through water under the cylinder cap filling pipe end to cylinder body air inlet side water jacket, the cooling water of corresponding each cylinder of cylinder body air inlet side water jacket is even, cooling effect is better relatively; And flow to the heat that the interior cooling water of cylinder cap water jacket has only absorbed a cylinder body part, better relatively than the cooling water that absorbs the cylinder body net quantity of heat to the cooling effect of cylinder cap.Therefore finally strengthened the intensity of cooling of cooling water on the whole to motor.
Secondly, be provided with communication passage 5 in the front-end and back-end of cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12, cylinder body exhaust side water jacket 11 passes through communication passage 5 locally connecteds with cylinder body air inlet side water jacket 12.Wherein, the front end of cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12 refers to the end near water intake one side, upper right side promptly as shown in Figure 2 and left upper end; The rear end of cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12 refers to the end near water outlet one side, bottom righthand side promptly as shown in Figure 2 and left lower end.
Because said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are isolated mutually in the front-end and back-end of said cylinder body; And in order to satisfy the requirement of strength of core; It is big that want at the interval of general said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket, and the intensity of cooling at interval will weaken relatively like this, therefore offers communication passage at the interval; Make said cylinder body air inlet side water jacket and cylinder body exhaust side water jacket have few part to be communicated with in the front-end and back-end of said cylinder body; Cooling water can should the zone through the cooling of said communication passage, and then improves the uniformity that cylinder barrel is heated, and reduces the risk of distortion that causes because of the inequality of being heated.
Further, the join domain between each said cylinder barrel forms bridge of the nose district 3, and bridge of the nose district 3 is provided with cooling channel 4, and an end of cooling channel 4 is communicated with cylinder body exhaust side water jacket 11, the other end is communicated with cylinder body air inlet side water jacket 12.
In engine working process; Bridge of the nose district 3 temperature of cylinder body are the highest, but space, bridge of the nose district is narrow and small, are unfavorable for that casting the formation cooling jacket together with cylinder body cools off; Therefore the Traditional engine cylinder body generally is not provided with water jacket in bridge of the nose district; Through the cooling channel of later stage machining formation definite shape, make cooling water enter into cooling channel 4, thereby bridge of the nose district 3 is cooled off when of the present invention through cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12.
Preferably, cooling channel 4 is the V-type cooling channel, why offers the V-type cooling channel, the one, and the V-type cooling channel relatively easily processes, and only needs before the processing to mill out the plane vertical with the moulding hole with milling cutter, just available then drilling tool boring moulding; The 2nd, the V-type cooling channel can realize that along the cooling of the direction of cylinder body front and back ends and cylinder barrel depth direction cooled region is bigger; The 3rd, less to the influence of cylinder barrel rigidity.
Preferably, said V-type cooling channel is two, the depth direction arranged of the said cylinder barrel in edge, two said V-type cooling channels.If only offer a V-type cooling channel; Want to reach rational cooling water circulation area, the aperture of said V-type passage is big relatively, and this just requires bigger relatively bridge of the nose district; And offer two V-type cooling channels; Under the situation that reaches same cooling water circulation area, the aperture of each V-type cooling channel is smaller relatively, and needed bridge of the nose district is also smaller relatively; Can effectively shorten at the cylinder core distance between adjacent two cylinder barrels under the situation that does not influence cylinder strength like this, make the complete machine structure of motor compact more.Also can improve simultaneously temperature field distribution between two cylinders, reduce the machine oil aging speed, reduce machine oil sintering risk.And if offer more V-type cooling channel, certainly will the aperture can be littler, also high more to the requirement of drilling tool, be unfavorable for machining.
Secondly, the rear end of cylinder body exhaust side water jacket 11 and cylinder body air inlet side water jacket 12 adjacent areas form flow dead, and said flow dead and cooling water flow zone adjacent areas are provided with guide rib 6, and guide rib 6 guides to said flow dead with cooling water.Through CFD (Computational Fluid Dynamics) computation fluid dynamics; The rear end of cylinder body exhaust side water jacket is because of far away apart from water intake; Therefore still can be easier to form flow dead, around this zone, increase guide rib, direct water flows into should the zone; To eliminate or to weaken the slough, strengthen cooling uniformity.Because cooling water is from mainly being to go up water through being located at said cylinder body exhaust side water jacket near water hole on the cylinder cap of the position of said cylinder cap to said cylinder cap water jacket on the said cylinder body exhaust side water jacket; The water velocity at place, therefore said upward water hole is big relatively, and therefore said guide rib mainly is provided in a side of said position of going up water hole and said flow dead boundary; In addition for guide cooling water master water flows to said flow dead, generally the direction of the said water intake of lower direction in water hole also is provided with guide rib on said, but decide according to the CFD analysis result the concrete quantity of said guide rib and position.
Secondly, said cylinder body can be the six-in-line cylinder body.Be not limited to the six-in-line body, also can be eight cylinder bodies in upright arrangement.
Further, said water intake is located between two, three cylinders, and said water outlet is located between three, four cylinders.Traditional design is the front-end and back-end that water intake and water outlet are located at said cylinder body respectively, and easy so corresponding each the cylinder position place of the cooling water that flows into cylinder body water jacket that makes is inhomogeneous, and cooling effect is poor.And water intake and water outlet are located at the approximate mid-section position of said cylinder body, cooling water can improve the cooling uniformity of each cylinder simultaneously to two side flow of cylinder body water jacket.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of said claim.
Claims (8)
1. a motor comprises cylinder body, is coated with cylinder cap on the said cylinder body; And said cylinder body is provided with a plurality of cylinder barrels and around the cylinder body water jacket of said cylinder barrel, said cylinder cap is provided with the cylinder cap water jacket, and said cylinder body water jacket comprises cylinder body air inlet side water jacket and cylinder body exhaust side water jacket; It is characterized in that
Said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are isolated each other; And said cylinder body exhaust side water jacket is provided with water intake; Said cylinder body air inlet side water jacket is provided with water outlet, and cooling water enters into said cylinder body exhaust side water jacket through said water intake, again from said cylinder body exhaust side water jacket to said cylinder cap water jacket; Then from said cylinder cap water jacket again to said cylinder body air inlet side water jacket, flow out from said water outlet at last.
2. motor according to claim 1; It is characterized in that; Front-end and back-end at said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are provided with communication passage, and said cylinder body air inlet side water jacket and said cylinder body exhaust side water jacket are through said communication passage locally connected.
3. motor according to claim 1 and 2; It is characterized in that; Join domain between each said cylinder barrel forms bridge of the nose district; The said bridge of the nose is provided with the cooling channel in the district, and an end of said cooling channel is communicated with said cylinder body exhaust side water jacket, the other end is communicated with said cylinder body air inlet side water jacket.
4. motor according to claim 3 is characterized in that, said cooling channel is the V-type cooling channel.
5. motor according to claim 4 is characterized in that, said V-type cooling channel is two, the depth direction arranged of the said cylinder barrel in edge, two said V-type cooling channels.
6. motor according to claim 1 and 2; It is characterized in that; The rear end of said cylinder body exhaust side water jacket and said cylinder body air inlet side water jacket adjacent areas form flow dead; Said flow dead and cooling water flow zone adjacent areas are provided with guide rib, and said guide rib guides to said flow dead with cooling water.
7. motor according to claim 1 is characterized in that, said cylinder body is the six-in-line cylinder body.
8. motor according to claim 7 is characterized in that, said water intake is located between two, three cylinders, and said water outlet is located between three, four cylinders.
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| CN201210169243.9A CN102678368B (en) | 2012-05-28 | 2012-05-28 | Motor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352767A (en) * | 2013-07-23 | 2013-10-16 | 安徽江淮汽车股份有限公司 | Cooling system of diesel engine |
| CN103775233A (en) * | 2012-10-19 | 2014-05-07 | 本田技研工业株式会社 | Water jacket structure for cylinder head |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
| CN105952546A (en) * | 2016-06-24 | 2016-09-21 | 奇瑞汽车股份有限公司 | Engine air cylinder body water jacket |
| CN106870196A (en) * | 2015-12-14 | 2017-06-20 | 现代自动车株式会社 | For the water jacket of cylinder block |
| CN107044356A (en) * | 2016-12-30 | 2017-08-15 | 广西玉柴机器股份有限公司 | The jacket structure for water of the valve diesel of four cylinder two |
| CN108757139A (en) * | 2018-06-21 | 2018-11-06 | 浙江吉利控股集团有限公司 | A kind of engine cooling method and engine, vehicle |
| CN109113888A (en) * | 2018-08-24 | 2019-01-01 | 重庆长安汽车股份有限公司 | A kind of cylinder body water jacket enhancing temperature uniformity |
| CN110594033A (en) * | 2019-10-31 | 2019-12-20 | 重庆长安汽车股份有限公司 | Engine cooling water jacket structure |
| CN110886645A (en) * | 2018-09-11 | 2020-03-17 | 丰田自动车株式会社 | Internal combustion engine body |
| 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 |
| CN111852683A (en) * | 2019-04-30 | 2020-10-30 | 长城汽车股份有限公司 | Cylinder head cooling structure, engine cooling structure and engine |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775233A (en) * | 2012-10-19 | 2014-05-07 | 本田技研工业株式会社 | Water jacket structure for cylinder head |
| CN103807047A (en) * | 2012-11-09 | 2014-05-21 | 本田技研工业株式会社 | Water jacket structure of internal combustion engine |
| CN103352767A (en) * | 2013-07-23 | 2013-10-16 | 安徽江淮汽车股份有限公司 | Cooling system of diesel engine |
| CN106870196B (en) * | 2015-12-14 | 2020-06-16 | 现代自动车株式会社 | Water jacket for cylinder block |
| CN106870196A (en) * | 2015-12-14 | 2017-06-20 | 现代自动车株式会社 | For the water jacket of cylinder block |
| CN105952546A (en) * | 2016-06-24 | 2016-09-21 | 奇瑞汽车股份有限公司 | Engine air cylinder body water jacket |
| CN107044356A (en) * | 2016-12-30 | 2017-08-15 | 广西玉柴机器股份有限公司 | The jacket structure for water of the valve diesel of four cylinder two |
| CN108757139A (en) * | 2018-06-21 | 2018-11-06 | 浙江吉利控股集团有限公司 | A kind of engine cooling method and engine, vehicle |
| CN108757139B (en) * | 2018-06-21 | 2019-12-20 | 浙江吉利控股集团有限公司 | Engine cooling method, engine and vehicle |
| CN109113888A (en) * | 2018-08-24 | 2019-01-01 | 重庆长安汽车股份有限公司 | A kind of cylinder body water jacket enhancing temperature uniformity |
| CN110886645A (en) * | 2018-09-11 | 2020-03-17 | 丰田自动车株式会社 | Internal combustion engine body |
| US11181033B2 (en) * | 2018-09-11 | 2021-11-23 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine body |
| CN110886645B (en) * | 2018-09-11 | 2022-03-18 | 丰田自动车株式会社 | Internal combustion engine body |
| 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 |
| CN110966077B (en) * | 2018-09-28 | 2021-11-12 | 长城汽车股份有限公司 | Internal combustion engine cooling system, control method and vehicle |
| CN111852683A (en) * | 2019-04-30 | 2020-10-30 | 长城汽车股份有限公司 | Cylinder head cooling structure, engine cooling structure and engine |
| CN110594033A (en) * | 2019-10-31 | 2019-12-20 | 重庆长安汽车股份有限公司 | Engine cooling water jacket structure |
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