CN104500203A - Cooling system of engine cylinder block - Google Patents
Cooling system of engine cylinder block Download PDFInfo
- Publication number
- CN104500203A CN104500203A CN201510008778.1A CN201510008778A CN104500203A CN 104500203 A CN104500203 A CN 104500203A CN 201510008778 A CN201510008778 A CN 201510008778A CN 104500203 A CN104500203 A CN 104500203A
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- CN
- China
- Prior art keywords
- water cavity
- cylinder block
- cooling water
- cylinder
- temperature cooling
- 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.)
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Classifications
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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
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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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
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/021—Cooling cylinders
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a cooling system of an engine cylinder block. The cooling system comprises a cylinder block body, a cylinder sleeve arranged in the cylinder hole of the cylinder block body, a high-temperature cooling water chamber arranged in the cylinder block body and communicated with a water jacket on the outer side of the cylinder sleeve and a cylinder cover water jacket to form a high-temperature cooling water circulating system, and a low-temperature cooling water chamber arranged in the cylinder block body and communicated with an engine oil cooler and a pressurized air cooler to form a low-temperature cooling water circulating system. According to the cooling system of the engine cylinder block, the high-temperature cooling water chamber and the low-temperature cooling water chamber are arranged to form corresponding high-temperature cooling circulating system and low-temperature cooling water circulating system; the parts different in desired cooling strength are reasonably arranged in the high-temperature cooling water chamber and the low-temperature cooling water chamber, and therefore, the system resistance of the whole cooling system is low, the cooling liquid temperature fluctuation is low, the heat dissipation efficiency of the cooling system is high and the engine heating time is short.
Description
Technical field
The present invention relates to engine art, particularly a kind of cooling system of engine cylinder.
Background technique
As everyone knows, during internal combustion engine, a large amount of heats can be discharged, normally work in order to ensure internal-combustion engine, then need cooling system to be taken away by unnecessary heat, to guarantee the oil-fired system of internal-combustion engine, lubrication system, gas handling system, high-temperature heating parts can obtain the cooling of appropriateness in time, guarantee the normal work of internal-combustion engine.
Current, the cooling system of most of internal-combustion engine is simple subprogram path fashion, namely the cooling liquid of a circulation loop is only had in engine cylinder, because internal-combustion engine needs cooling liquid to provide the component of cooling more, so the system resistance of the whole circulatory system is very large, and water temperature affects by internal combustion engine operation operating mode the fluctuation that easily generation is larger, warm-up times is also longer.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of cooling system of simple and reasonable engine cylinder, the cooling system of this engine cylinder is by arranging High-temperature cooling water cavity and low temperature refrigeration water cavity, form corresponding High-temperature cooling water circulation system and Subcooling water circulating system, the part different according to required intensity of cooling is rationally arranged in High-temperature cooling water cavity or low temperature refrigeration water cavity, make the system resistance of complete machine cooling system little, coolant temperature fluctuation is little, cooling system radiating efficiency is high, warm-up times is short, practical, be convenient to the advantage processed and promote the use of.
For achieving the above object, the invention provides the cooling system of engine cylinder, comprising: cylinder block body; Cylinder liner, it is arranged in the cylinder-bore of described cylinder block body; High-temperature cooling water cavity, it is arranged in described cylinder block body, and communicates with the water sleeve cylinder cover water jacket outside cylinder sleeve and form High-temperature cooling water circulation system; And low temperature refrigeration water cavity, it is arranged in described cylinder block body, and the formation Subcooling water circulating system that communicates with machine oil cooler, charger-air cooler.
Preferably, in technique scheme, the High-temperature cooling water cavity water intake of High-temperature cooling water cavity is arranged on one end of described cylinder block body, and the High-temperature cooling water cavity outlet of described High-temperature cooling water cavity is arranged in the passage at its place.
Preferably, in technique scheme, the low temperature refrigeration water cavity water outlet of low temperature refrigeration water cavity is arranged on the outer side surface of described cylinder block body, and the low temperature refrigeration water cavity water outlet of described low temperature refrigeration water cavity is arranged on same one end of the High-temperature cooling water cavity water intake of cylinder block body.
Preferably, in technique scheme, the low temperature refrigeration water cavity water outlet of low temperature refrigeration water cavity is positioned on the downside of High-temperature cooling water cavity water intake.
Compared with prior art, the present invention has following beneficial effect: the cooling system of this engine cylinder is by arranging High-temperature cooling water cavity and low temperature refrigeration water cavity, form corresponding High-temperature cooling water circulation system and Subcooling water circulating system, the part different according to required intensity of cooling is rationally arranged in High-temperature cooling water cavity or low temperature refrigeration water cavity, make the system resistance of complete machine cooling system little, coolant temperature fluctuation is little, cooling system radiating efficiency is high, warm-up times is short, practical, be convenient to the advantage processed and promote the use of.
Accompanying drawing explanation
Fig. 1 is the vertical profile structural representation of the cylinder block body of the cooling system of engine cylinder of the present invention.
Fig. 2 is the cross-sectional partial structurtes schematic diagram of the cylinder block body of the cooling system of engine cylinder of the present invention.
Fig. 3 is the side-looking structural representation of the cylinder block body of the cooling system of engine cylinder of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Figure 1 to Figure 3, according to specifically comprising of the cooling system of the engine cylinder of the specific embodiment of the invention: cylinder block body 1 and cylinder liner 2, and the High-temperature cooling water cavity 3 be arranged in cylinder block body 1 and low temperature refrigeration water cavity 5, wherein, High-temperature cooling water cavity 3 communicates with the water sleeve cylinder cover water jacket outside cylinder sleeve, forms High-temperature cooling water circulation system; Low temperature refrigeration water cavity 5 communicates with machine oil cooler, charger-air cooler, form Subcooling water circulating system, the part different according to required intensity of cooling is rationally arranged in High-temperature cooling water cavity or low temperature refrigeration water cavity, make the temperature fluctuation of complete machine cooling system little, system resistance is little, level of integrated system is high, and the structure of cylinder block is thus compacter.
Specifically, cylinder block body 1 is the main body of motor, and each cylinder and crankcase are connected by it, is the support framework installing piston, bent axle and other part and accessories.Cylinder block top is cylinder barrel arranged side by side, and the bottom of cylinder block is crankcase, is used for installing bent axle, and the various annex such as generator, engine support also can be installed in its outside.Cylinder block mostly cylinder iron or aluminum alloy casting form, aluminium alloy cylinder cost is higher, but lightweight, cooling performance good, obtain applying more and more widely.
Cylinder liner 2 is cylindrical components, is placed in the cylinder-bore of cylinder block body, on be fixed by cylinder head.Piston within it hole is reciprocating, has water quench outside it.In cylinder liner, table is by high-temperature high-pressure fuel gas direct effect, and with piston ring and piston skirt, high-speed slide friction occurs all the time.Appearance contacts with cooling water, produces serious thermal stress, by cooling water corrosion under the larger temperature difference.Piston not only aggravates table friction in it to the side-thrust of cylinder sleeve, and it is bending to make it produce.When side-thrust changes direction, piston also clashes into cylinder sleeve.Be subject to larger installation pretightening force in addition.
As shown in Figure 2, High-temperature cooling water cavity 3 communicates with the water sleeve cylinder cover water jacket outside cylinder sleeve, forms High-temperature cooling water circulation system.The High-temperature cooling water cavity water intake 6 of High-temperature cooling water cavity 3 is arranged on one end of cylinder block body 1, the High-temperature cooling water cavity outlet 4 of High-temperature cooling water cavity 3 is arranged in the passage at its place, engine-cooling system Zhong mono-road cooling water is entered in High-temperature cooling water cavity 3 by High-temperature cooling water cavity water intake 6, and enters in the water cavity that cylinder liner 2 and cylinder block body 1 formed through High-temperature cooling water cavity outlet 4 and cool cylinder liner and cylinder head.
As shown in Figures 2 and 3, low temperature refrigeration water cavity 5 communicates with machine oil cooler, charger-air cooler, forms Subcooling water circulating system.The low temperature refrigeration water cavity water outlet 8 of low temperature refrigeration water cavity 5 is arranged on the outer side surface of cylinder block body 1, the low temperature refrigeration water cavity water outlet 7 of low temperature refrigeration water cavity 5 is arranged on same one end of the High-temperature cooling water cavity water intake 6 of cylinder block body 1, and be positioned on the downside of High-temperature cooling water cavity water intake 6, another road cooling liquid in engine-cooling system then enters in low temperature refrigeration water cavity 5 by low temperature refrigeration water cavity water intake 7, and flow out through low temperature refrigeration water cavity water outlet 8, the parts such as machine oil cooler and charger-air cooler are cooled.
As shown in Figure 1 to Figure 3, engine-cooling system Zhong mono-road cooling water is entered in High-temperature cooling water cavity 3 by High-temperature cooling water cavity water intake 6, and enters in the water cavity that cylinder liner 2 and cylinder block body 1 formed through High-temperature cooling water cavity outlet 4 and cool cylinder liner and cylinder head.Another road cooling liquid in engine-cooling system is then entered in low temperature refrigeration water cavity 5 by low temperature refrigeration water cavity water intake 7, and flows out through low temperature refrigeration water cavity water outlet 8, cools the parts such as machine oil cooler and charger-air cooler.The part that the cooling system of this engine cylinder is different according to required intensity of cooling is rationally arranged in High-temperature cooling water cavity or low temperature refrigeration water cavity, make the temperature fluctuation of complete machine cooling system little, system resistance is little, and level of integrated system is high, and the structure of cylinder block is thus compacter.
To sum up, the cooling system of this engine cylinder is by arranging High-temperature cooling water cavity and low temperature refrigeration water cavity, form corresponding High-temperature cooling water circulation system and Subcooling water circulating system, the part different according to required intensity of cooling is rationally arranged in High-temperature cooling water cavity or low temperature refrigeration water cavity, makes the system resistance of complete machine cooling system little, and coolant temperature fluctuation is little, cooling system radiating efficiency is high, warm-up times is short, practical, is convenient to the advantage processed and promote the use of.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (4)
1. a cooling system for engine cylinder, is characterized in that, comprising:
Cylinder block body;
Cylinder liner, it is arranged in the cylinder-bore of described cylinder block body;
High-temperature cooling water cavity, it is arranged in described cylinder block body, and communicates with the water sleeve cylinder cover water jacket outside cylinder sleeve and form High-temperature cooling water circulation system; And
Low temperature refrigeration water cavity, it is arranged in described cylinder block body, and the formation Subcooling water circulating system that communicates with machine oil cooler, charger-air cooler.
2. the cooling system of engine cylinder according to claim 1, it is characterized in that, the High-temperature cooling water cavity water intake of described High-temperature cooling water cavity is arranged on one end of described cylinder block body, and the High-temperature cooling water cavity outlet of described High-temperature cooling water cavity is arranged in the passage at its place.
3. the cooling system of engine cylinder according to claim 1, it is characterized in that, the low temperature refrigeration water cavity water outlet of described low temperature refrigeration water cavity is arranged on the outer side surface of described cylinder block body, and the low temperature refrigeration water cavity water outlet of described low temperature refrigeration water cavity is arranged on same one end of the High-temperature cooling water cavity water intake of cylinder block body.
4. the cooling system of engine cylinder according to claim 3, is characterized in that, the low temperature refrigeration water cavity water outlet of described low temperature refrigeration water cavity is positioned on the downside of High-temperature cooling water cavity water intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008778.1A CN104500203A (en) | 2015-01-08 | 2015-01-08 | Cooling system of engine cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510008778.1A CN104500203A (en) | 2015-01-08 | 2015-01-08 | Cooling system of engine cylinder block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104500203A true CN104500203A (en) | 2015-04-08 |
Family
ID=52941642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510008778.1A Pending CN104500203A (en) | 2015-01-08 | 2015-01-08 | Cooling system of engine cylinder block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078498A1 (en) * | 2022-10-10 | 2024-04-18 | 广州汽车集团股份有限公司 | Engine cooling system and control method therefor, and vehicle |
-
2015
- 2015-01-08 CN CN201510008778.1A patent/CN104500203A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078498A1 (en) * | 2022-10-10 | 2024-04-18 | 广州汽车集团股份有限公司 | Engine cooling system and control method therefor, and vehicle |
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Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |