CN109854404A - Engine-cooling system and engine - Google Patents
Engine-cooling system and engine Download PDFInfo
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- CN109854404A CN109854404A CN201811628228.XA CN201811628228A CN109854404A CN 109854404 A CN109854404 A CN 109854404A CN 201811628228 A CN201811628228 A CN 201811628228A CN 109854404 A CN109854404 A CN 109854404A
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Abstract
The present invention provides a kind of engine-cooling system and engines, the engine-cooling system includes the cylinder block cooling water road being arranged in cylinder block and the Cooling of Cylinder Head water route being arranged in cylinder head, cylinder jacket of the cylinder block cooling water road for cooling settings in the top of cylinder block, cooling water cavity is equipped in cylinder head, cooling water cavity includes upper layer water cavity and lower layer's water cavity, cooling water enters Cooling of Cylinder Head water route via cylinder block cooling water road and cools down to cylinder head, different intercommunicating pores is equipped in cylinder head, different intercommunicating pores is connected to form at least two Cooling of Cylinder Head water routes with upper layer water cavity and/or lower layer's water cavity, it is cooled down with the different zones to cylinder head.The present invention carries out pressure cooling to cylinder head thermic load upper section, is effectively improved engine cool effect, increasing service life of engine by the means such as casting technique hole and machining, the cooling branch of setting multichannel；High-temperature cooling module independent design, greatly simplifies housing construction, reduces cost.
Description
Technical field
The present invention relates to engine cool technical fields, more particularly to a kind of engine-cooling system and engine.
Background technique
As engine strength is higher and higher, thermic load is higher and higher, and high heat load becomes keeping in check a little for development of engine,
Seriously constrain service life of aeroengine.Especially ridge area between the valve retainer hole of cylinder cap bottom two, narrower in width, heat are negative
Lotus is high, is one of fatigue strength weakest part.The thermic load of ridge area is higher, is easy to appear heat fatigue, cracks, and influences
The service life of cylinder head.
Summary of the invention
The purpose of the present invention is at least solving one of drawbacks described above and deficiency, which is achieved through the following technical solutions
's.
The present invention provides a kind of engine-cooling systems, including the cylinder block cooling water road being arranged in cylinder block and set
The Cooling of Cylinder Head water route in cylinder head is set, the cylinder block cooling water road is used for the cylinder of top of the cooling settings in cylinder block
Set, the cylinder head is interior to be equipped with cooling water cavity, and the cooling water cavity includes upper layer water cavity and lower layer's water cavity, and cooling water is via described
Cylinder block cooling water road enters the Cooling of Cylinder Head water route and cools down to the cylinder head, and different companies is equipped in the cylinder head
Through-hole, the different intercommunicating pores are connected to form at least two Cooling of Cylinder Head water routes with the upper layer water cavity and/or lower layer's water cavity,
It is cooled down with the different zones to the cylinder head.
Further, the cylinder block cooling water road includes the cooling jacket for being set in the periphery of the cylinder jacket, the gas
There is certain gap, the gap forms the cooling water cavity on the cylinder block cooling water road between cylinder sleeve and the cooling jacket.
Further, at least two Cooling of Cylinder Head water routes include the first cooling water channel and the second cooling water channel, described
In first cooling water channel, cooling water enters lower layer's water cavity from the cylinder block cooling water road and is entered by the first cooling duct
The upper layer water cavity；In second cooling water channel, cooling water is entered from the cylinder block cooling water road by the second cooling duct
The upper layer water cavity.
Further, in first cooling water channel, by the between the cylinder block cooling water road and lower layer's water cavity
The connection of one intercommunicating pore, one end of first intercommunicating pore is connected to the cooling jacket, the other end of first intercommunicating pore and
Lower layer's water cavity connection.
Further, first cooling duct includes be arranged between lower layer's water cavity and the upper layer water cavity
Two intercommunicating pores and/or the third connecting hole being arranged between lower layer's water cavity and valve retainer.
Further, second cooling duct include be arranged in the cylinder head ridge area and with the upper layer water cavity
4th intercommunicating pore of connection.
Further, the 4th intercommunicating pore includes that the cross through hole being arranged in the bottom plate of the cylinder head and inclination are logical
Hole, one end of the cross through hole are connected to the cooling jacket, the other end of the cross through hole and the inclined via-hole
One end connection, the other end of the inclined via-hole are connected to the upper layer water cavity.
Further, second cooling duct further includes the 5th intercommunicating pore being connected to the upper layer water cavity, and described
One end of five intercommunicating pores is connected to the cooling jacket, and the other end of the 5th intercommunicating pore is connected to the upper layer water cavity.
Further, the intercommunicating pore is machining through-hole and/or cast through holes.
The present invention also provides a kind of engines including above-mentioned engine-cooling system.
Advantages of the present invention is as follows:
(1) the cooling branch of multichannel is arranged by the means such as casting technique hole and machining in the present invention, and alignment cylinder head heat is negative
Lotus upper section carries out pressure cooling respectively, can be effectively improved the cooling effect of cylinder sleeve of engine, cylinder cap and its attachment, effectively
Ground reduces the thermal deformation of cylinder cap part, leads to crackle, poorly sealed etc., increasing service life of engine.
(2) present invention is cooling as an independent module by engine high-temperature, to the higher cylinder jacket of temperature and cylinder
Cover is cooled down, and the cylinder jacket of cooling segment is external, and water channel is not set in cylinder block, greatly simplifies housing construction, is reduced
Casting cost and engine production cost.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is the side view cutaway drawing of engine-cooling system provided in an embodiment of the present invention；
Fig. 2 is the A-A sectional view in Fig. 1；
Fig. 3 is the B-B sectional view in Fig. 1；
Appended drawing reference is as follows in figure:
10- cylinder block 20- cylinder head
30- cylinder jacket 40- cooling jacket
50- valve retainer 60- oil sprayer protective cover
1- the first intercommunicating pore the second intercommunicating pore of 2-
31- third connecting hole 32- water outlet
The 4th intercommunicating pore 41- cross through hole of 4-
The 5th intercommunicating pore of 42- inclined via-hole 5-
The upper layer 201- water cavity 202- lower layer water cavity
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 to Fig. 3 shows the structural schematic diagram (figure of the engine-cooling system of embodiment according to the present invention offer
Middle arrow direction is water (flow) direction).As shown in Figure 1, engine-cooling system is High-temperature cooling system, including it is arranged in cylinder block
Cylinder block cooling water road on 10 and the Cooling of Cylinder Head water route being arranged in cylinder head 20.Cylinder block 10 is equipped with cylinder jacket 30,
The top of cylinder jacket 30 is higher by 10 certain distance of cylinder block, and the periphery of cylinder jacket 30 is arranged with cooling jacket 40, and cooling jacket
40 are set in the periphery for being higher by the cylinder jacket 30 of 10 part of cylinder block, have gap, shape between cylinder jacket 30 and cooling jacket 40
At the first cooling water cavity for cooling down cylinder block 10, cooling water enters the first cooling water cavity to gas from the side of cooling jacket 40
The top of cylinder sleeve 30 and the bottom of cylinder head 20 are cooled down；Cooling water from the other side (not shown) of cooling jacket 40 flow out into
Enter next cylinder, different cylinders is cooled down.
In specific implementation, the part that the top of cylinder jacket 30 is higher by cylinder block 10 is the part of substantially 1/3 cylinder jacket 30.Cylinder
Body cooling water channel only cools down 1/3 part on 20 top of cylinder jacket, guarantees the uniform thermal expansion amount of cylinder jacket.
It is equipped in cylinder head 20 for carrying out the second cooling cooling water cavity to cylinder head 20, the second cooling water cavity includes upper
Layer water cavity 201 and lower layer's water cavity 202.Cooling water carries out cylinder head 20 via the bottom that cylinder block cooling water road enters cylinder head 20
It is cooling, different intercommunicating pores is equipped in cylinder head 20, different intercommunicating pores is connected to upper layer water cavity 201 and/or lower layer's water cavity 202
At least two Cooling of Cylinder Head water routes are formed, are cooled down with the different zones to cylinder head 20.
At least two cooling water channels in Cooling of Cylinder Head water route include the first cooling water channel and the second cooling water channel, and first is cooling
In water route, cooling water enters lower layer's water cavity 202 from cylinder block cooling water road and enters upper layer water cavity 201 by the first cooling duct；
In second cooling water channel, cooling water is directly entered upper layer water cavity 201 by the second cooling duct from cylinder block cooling water road.
It is connected between cylinder block cooling water road and lower layer water cavity 202 by the first intercommunicating pore 1 being arranged in cylinder head 20, the
One end of one intercommunicating pore 1 is connected to cooling jacket 40, and the other end of the first intercommunicating pore 1 is connected to lower layer water cavity 202, from cooling water
The cooling water that the side of set 40 enters is entered cold to the bottom progress of cylinder head 20 in lower layer's water cavity 202 by the first intercommunicating pore 1
But.
First cooling duct includes the second intercommunicating pore 2 being arranged between lower layer's water cavity 202 and upper layer water cavity 201, upper layer
Water cavity 201 is connected to lower layer water cavity 202 by the second intercommunicating pore 2, lower layer's water cavity 202, the second intercommunicating pore 2 and upper layer water cavity
201 are sequentially communicated to form the first cooling branch.Cooling water into lower layer's water cavity 202 flows through and enters cylinder after the second intercommunicating pore 2
The upper layer water cavity 201 of lid 20.Second intercommunicating pore 2 is oblique through hole, by upper layer water cavity 201 and lower layer's water cavity by the way of drilling
202 connections, can play the role of throttling.
In specific implementation, upper layer water cavity 201 and lower layer's water cavity 202 can also be separated by intermediate bulkhead, and in centre
Through-hole is opened up on partition, and upper layer water cavity 201 is connected to lower layer water cavity 202, cools down cooling water from bottom to top, it is preferential right
The bottom of the higher cylinder head 20 of temperature is cooled down.The cooling branch of interconnected first is formed by intermediate bulkhead, it can
Thermic load suffered by cylinder head 20 is effectively reduced, improves the service life of cylinder head；Intermediate bulkhead can increase the rigid of cylinder head simultaneously
Degree, improves the load intensity of cylinder head.
First cooling duct further includes the third connecting hole 31 that the other side of lower layer's water cavity 202 is arranged in, third connecting hole
31 one end is connected to lower layer water cavity 202, and the other end in third connecting hole 31 is connected to the side of valve retainer 50, valve retainer
50 other side is equipped with water outlet 32, and water outlet 32 is connected to upper layer water cavity 201, forms the second cooling branch.Into lower water
The cooling water of chamber 202 can flow through the peripheral region of valve retainer 50 by third connecting hole 31, carry out to valve retainer 50 cold
But, cooling water after cooling flows into upper layer water cavity 201 by water outlet 32, is discharged from the water outlet that upper layer water cavity 201 is arranged in.
Since the working environment around valve and valve retainer 50 is very severe, it is gentle that higher environment temperature can reduce valve
The service life of seat ring 50 leads to 50 inordinate wear of valve and valve retainer, or fracture.In valve and valve retainer 50
Surrounding is equipped with the second cooling branch, can be fully cooled to the part, be effectively reduced the temperature of valve retainer 50, increase
Its service life.At this point, valve retainer 50 can select the material of opposite non-refractory, or valve retainer built-up welding skill is not used
Art, to reduce the production cost of engine.
Second cooling duct includes the 4th intercommunicating pore 4 that ridge area is arranged in, one end of the 4th intercommunicating pore 4 and cooling jacket
40 side connection, the other end of the 4th intercommunicating pore 4 are connected to form the cooling branch of third with upper layer water cavity 201.
4th intercommunicating pore 4 includes the cross through hole 41 that is horizontally set in cylinder head bottom plate, and coolant liquid is from cooling jacket 40
Into in cross through hole 41, in ridge area lateral flow, the higher ridge area of temperature is cooled down；Flow direction along cooling water exists
One section of inclined via-hole 42 is set close to the position of oil sprayer protective cover 60, is connected to the 4th intercommunicating pore 4 with upper layer water cavity 1, by inclining
The guidance of oblique through hole 42, the cooling water for flowing through ridge area flow into upper layer water jacket 201.
The cooling branch of third can reinforce the intensity of cooling of cylinder head bottom plate (fire deck), guarantee 20 thermic load of cylinder head most
The cooling in big region, improves the service life of cylinder head 20.Especially to the cooling of ridge area, since ridge area is relatively narrow, cooling water flow
Flow velocity increases behind ridge area, and exchange capability of heat enhancing enables the heat of ridge area quickly to disperse, effectively reduces herein
Temperature, the entire temperature field for making cylinder head 20 more evenly, be not likely to produce thermal deformation, and then influences Intensity of Cylinder Head, gland shim
Sealing etc..In addition, the cooling branch of third can also cool down 60 lower part of oil sprayer protective cover, improves the use environment of fuel injector, increase
The service life of fuel injector.
Second cooling duct further includes the 5th intercommunicating pore 5 being connected to upper layer water cavity 201, one end of the 5th intercommunicating pore 5 with
Cooling jacket 40 is connected to, and the other end of the 5th intercommunicating pore 5 is connected to the cooling branch of formation the 4th with upper layer water cavity 201, and the 4th is cooling
Branch is bypass cooling water channel, and the cooling water entered from the side of cooling jacket 40 can be directly entered by the 5th intercommunicating pore 5
In layer water cavity 201, is compensated for other cooling branches, guarantee the circulating cooling effect of cooling water.
In specific implementation, the above-mentioned first to the 5th intercommunicating pore can may be cast through holes for machining through-hole, and first
Intercommunicating pore 1 is preferably cast through holes, and 2 to the 5th intercommunicating pore 5 of the second intercommunicating pore preferably machines through-hole.Pass through the side of drilling
Different cooling branches is arranged in formula, to cooling down around the higher cylinder head ridge area of temperature and air flue, while being equipped with side
Logical cooling branch, of simple structure and strong practicability, and can guarantee the cooling even results of cylinder head entirety.
In addition, the upper layer water cavity 201 of cylinder head 20 is to be more advantageous to casting draft, by the way of dividing mould up and down, together
When, in order to avoid base seam causes water line block line of demarcation to divide mould using intersection.
The present invention also provides a kind of engines including above-mentioned engine-cooling system.
The present invention is directed at cylinder head thermic load by the means such as casting technique hole and machining, the cooling branch of setting multichannel
Upper section carries out pressure cooling respectively, can be effectively improved the cooling effect of cylinder sleeve of engine, cylinder cap and its attachment, effectively
The thermal deformation of cylinder cap part is reduced, crackle is caused, poorly sealed etc., increasing service life of engine.Meanwhile burning can be improved
The use environment of room attachment can such as increase the heat fatigue safety coefficient of valve and valve retainer, reduce valve wear, reduce cylinder sleeve
Thermal deformation, reduce the possibility of scuffing of cylinder bore.The present invention is cooling as an independent module by engine high-temperature, higher to temperature
Cylinder jacket and cylinder head portion are cooled down, and the cylinder jacket of cooling segment is external, and water channel is not set in cylinder block, greatly simplifies machine
Body structure reduces casting cost and engine manufacturing cost.
It should be pointed out that in the description of the present invention, term " first ", " second " etc. be only used to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of engine-cooling system, which is characterized in that including the cylinder block cooling water road being arranged in cylinder block and setting
Cooling of Cylinder Head water route in cylinder head, the cylinder block cooling water road are used for the cylinder jacket of top of the cooling settings in cylinder block,
Cooling water cavity is equipped in the cylinder head, the cooling water cavity includes upper layer water cavity and lower layer's water cavity, and cooling water is via the cylinder
Body cooling water channel enters the Cooling of Cylinder Head water route and cools down to the cylinder head, and different connections is equipped in the cylinder head
Hole, the different intercommunicating pores are connected to form at least two Cooling of Cylinder Head water routes with the upper layer water cavity and/or lower layer's water cavity, with
The different zones of the cylinder head are cooled down.
2. engine-cooling system according to claim 1, which is characterized in that the cylinder block cooling water road includes being set in
The cooling jacket of the periphery of the cylinder jacket has certain gap, between described between the cylinder jacket and the cooling jacket
Gap forms the cooling water cavity on the cylinder block cooling water road.
3. engine-cooling system according to claim 2, which is characterized in that at least two Cooling of Cylinder Head water route packets
Include the first cooling water channel and the second cooling water channel, in first cooling water channel, cooling water enters from the cylinder block cooling water road
Lower layer's water cavity simultaneously enters the upper layer water cavity by the first cooling duct；In second cooling water channel, cooling water is from institute
It states cylinder block cooling water road and the upper layer water cavity is entered by the second cooling duct.
4. engine-cooling system according to claim 3, which is characterized in that in first cooling water channel, the cylinder
It is connected between body cooling water channel and lower layer's water cavity by the first intercommunicating pore, one end of first intercommunicating pore and the cooling
Water jacket connection, the other end of first intercommunicating pore are connected to lower layer's water cavity.
5. engine-cooling system according to claim 4, which is characterized in that first cooling duct includes that setting exists
The second intercommunicating pore between lower layer's water cavity and the upper layer water cavity and/or setting lower layer's water cavity and valve retainer it
Between third connecting hole.
6. engine-cooling system according to claim 5, which is characterized in that second cooling duct includes that setting exists
The ridge area of the cylinder head and the 4th intercommunicating pore being connected to the upper layer water cavity.
7. engine-cooling system according to claim 6, which is characterized in that the 4th intercommunicating pore includes being arranged in institute
The cross through hole and inclined via-hole in the bottom plate of cylinder head are stated, one end of the cross through hole is connected to the cooling jacket, institute
The other end for stating cross through hole is connected to one end of the inclined via-hole, the other end of the inclined via-hole and the upper layer water cavity
Connection.
8. engine-cooling system according to claim 6, which is characterized in that second cooling duct further includes and institute
The 5th intercommunicating pore of upper layer water cavity connection is stated, one end of the 5th intercommunicating pore is connected to the cooling jacket, and the described 5th connects
The other end of through-hole is connected to the upper layer water cavity.
9. engine-cooling system according to claim 1, which is characterized in that the intercommunicating pore be machining through-hole and/
Or cast through holes.
10. a kind of engine, which is characterized in that the engine includes according to any one of claim 1 to 9 starts
Machine cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628228.XA CN109854404B (en) | 2018-12-28 | 2018-12-28 | Engine cooling system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628228.XA CN109854404B (en) | 2018-12-28 | 2018-12-28 | Engine cooling system and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109854404A true CN109854404A (en) | 2019-06-07 |
| CN109854404B CN109854404B (en) | 2020-06-26 |
Family
ID=66893028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811628228.XA Active CN109854404B (en) | 2018-12-28 | 2018-12-28 | Engine cooling system and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109854404B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242435A (en) * | 2019-07-02 | 2019-09-17 | 重庆潍柴发动机有限公司 | A kind of cylinder cover for diesel engine |
| CN110273776A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of cooling cylinder head of layering |
| CN110439705A (en) * | 2019-07-02 | 2019-11-12 | 广西玉柴机器股份有限公司 | A kind of cylinder cover cooling structure |
| CN111058959A (en) * | 2019-12-30 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Cylinder head and cylinder head cooling water cavity structure thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005194967A (en) * | 2004-01-08 | 2005-07-21 | Toyota Motor Corp | Cooling structure for cylinder block |
| CN101699051A (en) * | 2009-10-30 | 2010-04-28 | 重庆长安汽车股份有限公司 | Air cylinder cover of miniature type engine precast with cooling water jacket |
| CN103266961A (en) * | 2013-05-27 | 2013-08-28 | 安徽江淮汽车股份有限公司 | Engine cylinder cover |
| CN203906107U (en) * | 2014-05-07 | 2014-10-29 | 广西玉柴机器股份有限公司 | Combined type air cylinder cover and internal combustion engine body |
| CN105257421A (en) * | 2015-10-10 | 2016-01-20 | 天津大学 | Visual independent engine cylinder liner |
| CN207634197U (en) * | 2017-11-28 | 2018-07-20 | 东风商用车有限公司 | Engine cooling system |
-
2018
- 2018-12-28 CN CN201811628228.XA patent/CN109854404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005194967A (en) * | 2004-01-08 | 2005-07-21 | Toyota Motor Corp | Cooling structure for cylinder block |
| CN101699051A (en) * | 2009-10-30 | 2010-04-28 | 重庆长安汽车股份有限公司 | Air cylinder cover of miniature type engine precast with cooling water jacket |
| CN103266961A (en) * | 2013-05-27 | 2013-08-28 | 安徽江淮汽车股份有限公司 | Engine cylinder cover |
| CN203906107U (en) * | 2014-05-07 | 2014-10-29 | 广西玉柴机器股份有限公司 | Combined type air cylinder cover and internal combustion engine body |
| CN105257421A (en) * | 2015-10-10 | 2016-01-20 | 天津大学 | Visual independent engine cylinder liner |
| CN207634197U (en) * | 2017-11-28 | 2018-07-20 | 东风商用车有限公司 | Engine cooling system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242435A (en) * | 2019-07-02 | 2019-09-17 | 重庆潍柴发动机有限公司 | A kind of cylinder cover for diesel engine |
| CN110273776A (en) * | 2019-07-02 | 2019-09-24 | 广西玉柴机器股份有限公司 | A kind of cooling cylinder head of layering |
| CN110439705A (en) * | 2019-07-02 | 2019-11-12 | 广西玉柴机器股份有限公司 | A kind of cylinder cover cooling structure |
| CN110439705B (en) * | 2019-07-02 | 2024-05-10 | 广西玉柴机器股份有限公司 | Cylinder cover cooling structure |
| CN111058959A (en) * | 2019-12-30 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Cylinder head and cylinder head cooling water cavity structure thereof |
| CN111058959B (en) * | 2019-12-30 | 2024-03-29 | 中国船舶集团有限公司第七一一研究所 | Cylinder cover and cylinder cover cooling water cavity structure thereof |
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|---|---|
| CN109854404B (en) | 2020-06-26 |
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