CN209458036U - It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field - Google Patents
It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field Download PDFInfo
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- CN209458036U CN209458036U CN201920067703.4U CN201920067703U CN209458036U CN 209458036 U CN209458036 U CN 209458036U CN 201920067703 U CN201920067703 U CN 201920067703U CN 209458036 U CN209458036 U CN 209458036U
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- cylinder sleeve
- coolant jacket
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Abstract
The utility model discloses a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, belong to Diesel Engine Technique Field, coolant jacket including being socketed in single cylinder diesel outer wall of cylinder jachet, the coolant jacket is equipped with upper layer cooling chamber and lower layer's cooling chamber, and it is not connected between upper layer cooling chamber and lower layer's cooling chamber, the cooling medium of the upper layer cooling chamber and lower layer's cooling chamber access different temperatures, to realize the control of the single cylinder diesel cylinder sleeve axial temperature field.The utility model can obviously reduce the friction power loss of diesel engine total travel, increase output power and the thermal efficiency.Improve fuel economy, reliability and the service life of diesel engine.
Description
Technical field
The utility model belongs to Diesel Engine Technique Field, specifically a kind of for controlling single cylinder diesel cylinder sleeve temperature
The device of field.
Background technique
In recent years, the reinforcing index of diesel engine is continuously improved, the secondary mechanical load and heat being subject to of cylinder liner piston ring group friction
Load is continuously increased therewith, and it is very necessary to carry out the control of reasonable temperature field to diesel cylinder sleeve.Traditional diesel cylinder sleeve is cooling
Using the indiscriminate air-cooled or water-cooling structure of monoblock type.In fact, considering from internal combustion engine tribology angle, Cylinder Liner-piston Ring
Group friction is secondary to be in different lubricating status in stroke different location, and near top dead center position is mixed lubrication even boundary lubrication
State, mid-ranges and lower dead center neighbouring position are Liquid Lubrication Condition.Therefore, it is desirable to lower near top dead center position control
Temperature, so that lubricating oil viscosity is higher, film forming ability is stronger, reduces asperity contact friction；And in mid-ranges and lower dead center
Neighbouring position controls higher temperature, so that lubricating oil viscosity is maintained compared with low state, so that fluid shearing friction is reduced, entire
Frictional work is reduced in working cycles, improves the diesel engine thermal efficiency.Current existing cooling structure is unable to satisfy above-mentioned requirement.
Utility model content
According to technical problem set forth above, and provide a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field.
The technological means that the utility model uses is as follows:
It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, including be socketed in single cylinder diesel outer wall of cylinder jachet and
The coolant jacket to match with the single cylinder diesel cylinder sleeve, the coolant jacket be equipped with upper layer cooling chamber and lower layer's cooling chamber, and on
Layer cooling chamber and lower layer's cooling chamber between be not connected to, the upper layer cooling chamber close to the single cylinder diesel cylinder sleeve top dead centre,
Lower layer's cooling chamber has water inlet I and is gone out on the lower dead center of the single cylinder diesel cylinder sleeve, the upper layer cooling chamber
The mouth of a river I has water inlet II and water outlet II on lower layer's cooling chamber；In the upper layer cooling chamber and lower layer's cooling chamber
The cooling medium of different temperatures and different flow is accessed by the water inlet I and water inlet II respectively, and passes through the water outlet
Mouth I and II circulating cooling medium of water outlet, to realize the control of the single cylinder diesel cylinder sleeve axial temperature field.
The axis of the coolant jacket is overlapped with the axis of the single cylinder diesel cylinder sleeve, and the upper layer cooling chamber and described
The axis of lower layer's cooling chamber is overlapped with the axis of the coolant jacket.
The bottom of the coolant jacket is equipped with multiple force sensors mounting groove, and is equipped with survey in the force snesor mounting groove
Measure the force snesor of frictional force between single cylinder diesel cylinder sleeve and single cylinder diesel Piston volume tube.
Multiple force snesor mounting grooves are uniformly distributed around the axis of the coolant jacket.
The coolant jacket is equipped with the equally distributed temperature sensor group of axis that multiple groups surround the coolant jacket, and described
Every group of temperature sensor group includes setting in the coolant jacket top exterior walls and measures outer at the top of the single cylinder diesel cylinder sleeve
The temperature sensor of surface temperature is arranged in the coolant jacket bottom outer wall and measures the single cylinder diesel cylinder sleeve bottom outer
The temperature sensor of face temperature and that the coolant jacket is arranged in is outer between the upper layer cooling chamber and lower layer's cooling chamber
On wall and measure the temperature sensor of this position liner backs temperature.That is every group of temperature sensor is divided into the temperature of upper, middle and lower three
Spend sensor.
It is interference fit between the coolant jacket and the single cylinder diesel cylinder sleeve, the top of the coolant jacket is equipped with multiple
Limit jackscrew.
The height ratio of the height of lower layer's cooling chamber and the upper layer cooling chamber is 2:1.
Under use state: the coolant jacket is socketed on the single cylinder diesel cylinder sleeve by the jackscrew, and with institute
Single cylinder diesel cylinder sleeve interference fit is stated, the water inlet I, the water outlet I, the water inlet II and the water outlet II divide
It is not connected with the insulating box with cooling medium, the force snesor is connect with the single cylinder diesel；Start single cylinder diesel,
Until the single cylinder diesel stable operation；The single cylinder bavin of different location is acquired and observed according to multiple force snesors
Frictional force size between oil machine cylinder sleeve and the single cylinder diesel Piston volume tube, while simultaneously according to the acquisition of multiple temperature sensors
The temperature of the single cylinder diesel cylinder sleeve of different location is observed, and then is adjusted cold into the upper layer cooling chamber and the lower layer
But the temperature and flow of the cooling medium of chamber, to adjust the single cylinder diesel cylinder sleeve and the single cylinder diesel Piston volume tube
Between lubricating oil viscosity and oil film thickness, finally make the single cylinder diesel cylinder sleeve and the single cylinder diesel Piston volume tube
In optimal friction, lubrication state.
The utility model carries out subregion cooling to single cylinder diesel cylinder sleeve, compared to traditional air cooling fin and water-cooled jacket, originally
A kind of device for controlling single cylinder diesel cylinder sleeve temperature field provided by utility model can be for single cylinder diesel cylinder sleeve not
The cooling for carrying out subregion with position, dividing intensity.In single cylinder diesel cylinder sleeve near top dead center position control lower temperature, make cylinder
Lubricating oil film is thicker between set and Piston volume tube, reduces asperity contact friction, controls fretting wear；In single cylinder diesel cylinder sleeve
Section and lower dead center neighbouring position control higher temperature, reduce lubricating oil viscosity, reduce fluid shearing friction.
The utility model can obviously reduce the friction power loss of diesel engine total travel, increase output power and the thermal efficiency.It improves
Fuel economy, reliability and the service life of diesel engine.
The utility model can be widely popularized in Diesel Engine Technique Field based on the above reasons.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of for controlling the device knot in single cylinder diesel cylinder sleeve temperature field in specific embodiment of the present invention
Structure schematic diagram.
Fig. 2 is a kind of for controlling the device master in single cylinder diesel cylinder sleeve temperature field in specific embodiment of the present invention
View.
Fig. 3 is that a kind of device for controlling single cylinder diesel cylinder sleeve temperature field is bowed in specific embodiment of the present invention
View.
Fig. 4 is in specific embodiment of the present invention using a kind of for controlling the dress in single cylinder diesel cylinder sleeve temperature field
The single cylinder diesel outer wall of cylinder jachet thermo parameters method curve graph set.
Fig. 5 is in specific embodiment of the present invention using a kind of for controlling the dress in single cylinder diesel cylinder sleeve temperature field
Friction resistance curve figure between the single cylinder diesel cylinder sleeve set and single cylinder diesel Piston volume tube.
Fig. 6 is in specific embodiment of the present invention using the single cylinder diesel cylinder sleeve and one-cylinder diesel of traditional water-cooled jacket
Friction resistance curve figure between machine Piston volume tube.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in figs 1 to 6, a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, including it is socketed in single cylinder bavin
Oil machine outer wall of cylinder jachet and the coolant jacket 1 to match with the single cylinder diesel cylinder sleeve, the coolant jacket 1 are equipped with upper layer cooling chamber 2
It with lower layer cooling chamber 3, and is not connected between upper layer cooling chamber 2 and lower layer's cooling chamber 3, the upper layer cooling chamber 2 is close to the list
The top dead centre of cylinder diesel cylinder sleeve, for lower layer's cooling chamber 3 close to the lower dead center of the single cylinder diesel cylinder sleeve, the upper layer is cold
But there is water inlet I 21 and water outlet I 22 on chamber 2, there is water inlet II 31 and water outlet II 32 on lower layer's cooling chamber 3；
Not equality of temperature is accessed by the water inlet I 21 and water inlet II 31 respectively in the upper layer cooling chamber 2 and lower layer's cooling chamber 3
The cooling medium of degree and different flow, and by II 32 circulating cooling medium of the water outlet I 22 and water outlet, to realize
State the control of single cylinder diesel cylinder sleeve axial temperature field.
The axis of the coolant jacket 1 is overlapped with the axis of the single cylinder diesel cylinder sleeve, and the upper layer cooling chamber 2 and institute
The axis for stating lower layer's cooling chamber 3 is overlapped with the axis of the coolant jacket 1.
The bottom of the coolant jacket 1 is equipped with multiple force sensors mounting groove 11, and pacifies in the force snesor mounting groove 11
Force snesor 4 equipped with frictional force between measurement single cylinder diesel cylinder sleeve and single cylinder diesel Piston volume tube.
Multiple force snesor mounting grooves 11 are uniformly distributed around the axis of the coolant jacket 1.
The coolant jacket 1 is equipped with the equally distributed temperature sensor group of axis that multiple groups surround the coolant jacket 1, and institute
Stating every group of temperature sensor group includes being arranged in 1 top exterior walls of coolant jacket and measuring at the top of the single cylinder diesel cylinder sleeve
The temperature sensor 5 of hull-skin temperature is arranged in 1 bottom outer wall of coolant jacket and measures single cylinder diesel cylinder sleeve bottom
The temperature sensor 5 of hull-skin temperature is with setting in the coolant jacket 1 in the upper layer cooling chamber 2 and lower layer's cooling chamber 3
Between outer wall on and measure the temperature sensor 5 of this position liner backs temperature.I.e. every group of temperature sensor be divided into,
In, lower three temperature sensors 5.
It is interference fit between the coolant jacket 1 and the single cylinder diesel cylinder sleeve, the top of the coolant jacket 1 is equipped with more
A limit jackscrew 6.
The height ratio of the height of lower layer's cooling chamber 3 and the upper layer cooling chamber 2 is 2:1.
A kind of device being used to control single cylinder diesel cylinder sleeve temperature field is mounted on to the cylinder sleeve of single cylinder diesel, single cylinder
The operation of low speed low-load five minutes or more (being adjusted depending on environment temperature) after diesel engine starting, speed regulation to 1600rpm, idle condition.
Cooling medium is passed through into coolant jacket 1 from constant temperature water tank, the cooling medium being passed through in upper layer cooling chamber 2 is 10 DEG C, is passed through down
The cooling medium of layer cooling chamber 2 is 30 DEG C, and it is 30L/min, lower layer's cooling chamber that upper layer cooling chamber 2, which is passed through the flow of cooling medium,
3 flows for being passed through cooling medium are 15L/min.The temperature and multiple power for monitoring the measurement of three temperature sensors 5 of upper, middle and lower sense
The frictional force that device 4 measures, tends to be steady to cylinder sleeve change of temperature field, reaches metastable state, records three temperature of upper, middle and lower
The frictional force data that the temperature data and force snesor 4 that sensor 5 measures measure；This tests the single cylinder diesel cylinder sleeve measured
Outer wall upper temp is 42 DEG C, and single cylinder diesel outer wall of cylinder jachet middle portion temperature is 32 DEG C, 33 DEG C of single cylinder diesel cylinder sleeve lower part, such as
Shown in Fig. 4.Outer wall of cylinder jachet is obtained by using a kind of aforesaid operations for controlling the device in single cylinder diesel cylinder sleeve temperature field
10 DEG C of axial maximum temperature difference.Force snesor measures friction resistance curve such as Fig. 5 of one working cycles of single cylinder diesel during this period
Shown, expansion stroke near top dead center frictional force maximum value is 739N, and (negative value represents phase to compression stroke middle section frictional force -171N
The frictional force of opposite direction).
Traditional temperature control scheme of the water-cooled jacket without differentiation is simulated, the coolant temperature in traditional water-cooled jacket is 10 DEG C,
Flow is 30L/min, measures the friction resistance curve of one working cycles of single cylinder diesel as shown in fig. 6, expansion stroke top dead centre
Neighbouring position frictional force maximum value is 911N, compression stroke middle section frictional force -190N (frictional force that negative value represents opposite direction).
It is evident that using one kind by the comparing of above-mentioned comparative test for controlling single cylinder diesel cylinder sleeve temperature
The device of degree field can obviously improve the friction, lubrication state of single cylinder diesel cylinder sleeve Yu single cylinder diesel Piston volume tube.It is whole with tradition
Body water-cooling method is compared, and by controlling near top dead center temperature, so that lubricating oil viscosity is bigger, film forming ability is stronger, is reduced
Asperity contact between friction pair, near top dead center frictional force reduce by 18.8%；Near to mid-ranges and lower dead center
The control of temperature reduces fluid shearing frictional force so that lubricating oil viscosity reduces, and mid-ranges frictional force reduces by 10%.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, which is characterized in that including being socketed in single cylinder diesel
Outer wall of cylinder jachet and the coolant jacket to match with the single cylinder diesel cylinder sleeve, the coolant jacket is equipped with upper layer cooling chamber and lower layer is cold
But chamber, and be not connected between upper layer cooling chamber and lower layer's cooling chamber, the upper layer cooling chamber is close to the single cylinder diesel cylinder sleeve
Top dead centre, lower layer's cooling chamber on the lower dead center of the single cylinder diesel cylinder sleeve, the upper layer cooling chamber have into
The mouth of a river I and water outlet I have water inlet II and water outlet II on lower layer's cooling chamber；
Different temperatures is accessed by the water inlet I and water inlet II respectively in the upper layer cooling chamber and lower layer's cooling chamber
And the cooling medium of different flow, and by II circulating cooling medium of the water outlet I and water outlet, to realize the single cylinder
The control of diesel cylinder sleeve axial temperature field.
2. according to claim 1 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: institute
The axis for stating coolant jacket is overlapped with the axis of the single cylinder diesel cylinder sleeve, and the upper layer cooling chamber and lower layer's cooling chamber
Axis be overlapped with the axis of the coolant jacket.
3. according to claim 1 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: institute
The bottom for stating coolant jacket is equipped with multiple force sensors mounting groove, and is equipped with measurement one-cylinder diesel in the force snesor mounting groove
The force snesor of frictional force between machine cylinder sleeve and single cylinder diesel Piston volume tube.
4. according to claim 3 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: more
A force snesor mounting groove is uniformly distributed around the axis of the coolant jacket.
5. according to claim 1 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: institute
The equally distributed temperature sensor group of axis that coolant jacket surrounds the coolant jacket equipped with multiple groups is stated, and every group of temperature passes
Sensor group includes that the coolant jacket top exterior walls are arranged in and measure the single cylinder diesel cylinder sleeve outer surface of cupular part temperature
Temperature sensor is arranged in the coolant jacket bottom outer wall and measures the temperature of the single cylinder diesel cylinder sleeve bottom outer surface temperature
It spends sensor and the coolant jacket is set on the outer wall between the upper layer cooling chamber and lower layer's cooling chamber and is measured
The temperature sensor of this position liner backs temperature.
6. according to claim 1 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: institute
It states for interference fit between coolant jacket and the single cylinder diesel cylinder sleeve, the top of the coolant jacket is equipped with multiple limit jackscrews.
7. according to claim 1 a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field, it is characterised in that: institute
The height ratio of the height and the upper layer cooling chamber of stating lower layer's cooling chamber is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067703.4U CN209458036U (en) | 2019-01-15 | 2019-01-15 | It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067703.4U CN209458036U (en) | 2019-01-15 | 2019-01-15 | It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field |
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| CN209458036U true CN209458036U (en) | 2019-10-01 |
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| CN201920067703.4U Active CN209458036U (en) | 2019-01-15 | 2019-01-15 | It is a kind of for controlling the device in single cylinder diesel cylinder sleeve temperature field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681339A (en) * | 2019-01-15 | 2019-04-26 | 大连海事大学 | It is a kind of for controlling the device and its application method in single cylinder diesel cylinder sleeve temperature field |
| CN112628010A (en) * | 2020-12-14 | 2021-04-09 | 大连海事大学 | Single-cylinder diesel engine cylinder sleeve temperature field control device and method |
-
2019
- 2019-01-15 CN CN201920067703.4U patent/CN209458036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681339A (en) * | 2019-01-15 | 2019-04-26 | 大连海事大学 | It is a kind of for controlling the device and its application method in single cylinder diesel cylinder sleeve temperature field |
| CN112628010A (en) * | 2020-12-14 | 2021-04-09 | 大连海事大学 | Single-cylinder diesel engine cylinder sleeve temperature field control device and method |
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