CN220267816U - Engine oil cooler arrangement structure and vehicle - Google Patents
Engine oil cooler arrangement structure and vehicle Download PDFInfo
- Publication number
- CN220267816U CN220267816U CN202322343618.5U CN202322343618U CN220267816U CN 220267816 U CN220267816 U CN 220267816U CN 202322343618 U CN202322343618 U CN 202322343618U CN 220267816 U CN220267816 U CN 220267816U
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- China
- Prior art keywords
- oil cooler
- inlet end
- engine oil
- water jacket
- liquid outlet
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Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000007788 liquid Substances 0.000 claims abstract description 88
- 210000000476 body water Anatomy 0.000 claims abstract description 23
- 238000011084 recovery Methods 0.000 claims description 13
- 239000002918 waste heat Substances 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000010792 warming Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 23
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000007872 degassing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an engine oil cooler arrangement structure, which comprises a water pump, a cylinder body water jacket, a cylinder cover water jacket, an engine oil cooler, a radiator and a thermostat, wherein: the liquid outlet end of the water pump is communicated with the liquid inlet end of the cylinder body water jacket, the liquid outlet end of the cylinder body water jacket is communicated with the liquid inlet end of the cylinder cover water jacket, the liquid inlet end of the engine oil cooler and the liquid inlet end of the radiator are communicated with the liquid outlet end of the cylinder cover water jacket through first pipelines, the liquid outlet end of the engine oil cooler and the liquid outlet end of the radiator are communicated with the first port of the thermostat through second pipelines, and the third port of the thermostat is communicated with the liquid inlet end of the water pump. According to the utility model, the engine oil cooler is arranged behind the cylinder body water jacket and the cylinder cover water jacket, and forms a parallel structure with the radiator under a large circulation working condition, so that the flow of cooling liquid can be accurately distributed according to the resistance characteristics of the engine oil cooler and the radiator; the engine oil cooler can participate in convection exchange only in the state of the heat engine, and the flow of the water pump is reduced in the warming process of the engine.
Description
Technical Field
The utility model relates to the technical field of hybrid electric vehicles, in particular to an engine oil cooler arrangement structure and a vehicle.
Background
The cooling system is an important component of the engine. During engine operation, parts in contact with high temperature fuel gas or exhaust gas are strongly heated, and a cooling system is required to dissipate excessive heat from these parts, which can otherwise have various adverse consequences. The existing cooling system has the defects that an engine oil cooler is always in parallel connection with a cylinder body and cylinder cover water jacket, the engine oil cooler shunts the cylinder body and cylinder cover water jacket, if the flow requirement of the cylinder body and cylinder cover water jacket is met, the load of a water pump is required to be increased, the power of a water pump shaft is increased, the fuel consumption rate of an engine is improved, and the heat efficiency is influenced; the cooling liquid flow through the engine oil cooler is limited, and the heat dissipation effect is poor. In the engine warming process, the heat exchange of the cooling liquid and the engine oil belongs to the process of heating the engine oil by the cooling liquid, and the temperature of the cooling liquid rises slowly.
Disclosure of Invention
The utility model aims to provide an engine oil cooler arrangement structure and a vehicle, so as to solve the problem of unreasonable arrangement structure of an engine oil cooler in the cooling system of the existing engine, improve the working efficiency of the cooling system and achieve the purpose of energy conservation.
In a first aspect, the utility model provides an oil cooler arrangement structure comprising a water pump, a cylinder body water jacket, a cylinder cover water jacket, an oil cooler, a radiator and a thermostat, wherein:
the liquid outlet end of the water pump is communicated with the liquid inlet end of the cylinder body water jacket, the liquid outlet end of the cylinder body water jacket is communicated with the liquid inlet end of the cylinder cover water jacket, the liquid inlet end of the engine oil cooler and the liquid inlet end of the radiator are communicated with the liquid outlet end of the cylinder cover water jacket through first pipelines, the liquid outlet end of the engine oil cooler and the liquid outlet end of the radiator are communicated with the first port of the thermostat through second pipelines, and the third port of the thermostat is communicated with the liquid inlet end of the water pump.
In the oil cooler arrangement, a temperature sensor is preferably provided on the first line, and the temperature sensor communicates with the second port of the thermostat via a third line.
An engine oil cooler arrangement as described above, wherein it is preferable that the engine oil cooler arrangement further comprises an EGR cooler, a liquid inlet end of which communicates with a liquid outlet end of the cylinder water jacket, and a liquid outlet end of which communicates with a liquid inlet end of the water pump through a fourth pipe.
An engine oil cooler arrangement as described above, wherein preferably, further comprises an expansion tank, a liquid outlet end of which communicates with a liquid inlet end of the water pump through the fourth pipe.
In the above-described engine oil cooler arrangement, it is preferable that the deaeration pipe of the radiator communicates with the liquid inlet end of the expansion tank through a first return water connection pipe.
In the engine oil cooler arrangement structure, preferably, the deaeration pipe of the cylinder cover water jacket is communicated with the liquid inlet end of the expansion water tank through a second water return connecting pipe.
In the above-described engine oil cooler arrangement, it is preferable that the deaeration pipe of the EGR cooler communicates with the intake end of the expansion tank through a third return water connection pipe.
The engine oil cooler arrangement structure as described above, preferably further includes a waste heat recovery portion, wherein a liquid inlet end of the waste heat recovery portion is communicated with a liquid outlet end of the cylinder head water jacket, and a liquid outlet end of the waste heat recovery portion is communicated with a liquid inlet end of the water pump through a fourth pipeline.
In the engine oil cooler arrangement structure, preferably, a turbocharger is arranged between the cylinder body water jacket and the water pump, a liquid inlet end of the turbocharger is communicated with a liquid outlet end of the cylinder body water jacket, and a liquid outlet end of the turbocharger is communicated with a liquid inlet end of the water pump.
In a second aspect, the utility model provides a vehicle comprising an oil cooler arrangement as described above.
Compared with the prior art, the engine oil cooler is arranged behind the cylinder body water jacket and the cylinder cover water jacket and forms a parallel structure with the radiator under the large circulation working condition, so that the flow of cooling liquid can be accurately distributed according to the resistance characteristics of the engine oil cooler and the radiator; the engine oil cooler can participate in convection exchange only in the state of the heat engine, so that the flow of the water pump is reduced in the warming-up process of the engine, the shaft power of the water pump is reduced, and the energy-saving effect is achieved.
Drawings
Fig. 1 is a layout structural view of an engine oil cooler of the present utility model.
Reference numerals illustrate:
1-water pump, 2-cylinder body water jacket, 3-cylinder cover water jacket, 4-engine oil cooler, 5-radiator, 6-temperature regulator, 7-temperature sensor, 8-EGR cooler, 9-expansion tank, 10-waste heat recovery part and 11-turbocharger;
g1-a first pipeline, G2-a second pipeline, G3-a third pipeline and G4-a fourth pipeline;
h1-first water return connecting pipe, H2-second water return connecting pipe and H3-third water return connecting pipe.
Detailed Description
The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Referring to fig. 1, the utility model provides an engine oil cooler arrangement structure, comprising a water pump 1, a cylinder body water jacket 2, a cylinder cover water jacket 3, an engine oil cooler 4, a radiator 5 and a thermostat 6, wherein:
the liquid outlet end of the water pump 1 is communicated with the liquid inlet end of the cylinder body water jacket 2, the liquid outlet end of the cylinder body water jacket 2 is communicated with the liquid inlet end of the cylinder cover water jacket 3, the liquid inlet end of the engine oil cooler 4 and the liquid inlet end of the radiator 5 are communicated with the liquid outlet end of the cylinder cover water jacket 3 through a first pipeline G1, the liquid outlet end of the engine oil cooler 4 and the liquid outlet end of the radiator 5 are communicated with the first port of the temperature regulator 6 through a second pipeline G2, and the third port of the temperature regulator 6 is communicated with the liquid inlet end of the water pump 1. In the embodiment provided by the application, the engine oil cooler 4 is arranged behind the cylinder body water jacket 2 and the cylinder cover water jacket 3, so that the engine oil cooler 4 is prevented from distributing cooling liquid of the cylinder body water jacket 2 and the cylinder cover water jacket 3, the flow of the water pump 1 is reduced, the shaft power of the water pump 1 is reduced, and the energy-saving effect is achieved.
Under the warm-up working condition, the engine oil cooler 4 has no refrigerant convection, the engine refrigerant and the engine oil cooler 4 have no convection heat exchange, the temperature of the refrigerant rises fast, and then the engine warm-up speed is fast, and the temperature for reducing emission can be reached more quickly. The heating in winter is rapid, the time for the passenger cabin to enter a proper temperature range is shortened, and the comfort of passengers is improved. Under the working condition, the temperature regulator 6 recognizes the average temperature of the refrigerant flowing out of the cylinder body water jacket 2 and the cylinder cover water jacket 3 after being mixed, adjusts the temperature of the mixed refrigerant to a proper temperature, and then flows into the water pump 1 for continuous circulation.
Under the working condition of the engine and the heat engine, the engine oil cooler 4 participates in convection heat exchange, the engine oil cooler 4 and the radiator 5 are arranged in parallel, respective flow distribution can be determined according to the flow resistance characteristics of the radiator 5 and the engine oil cooler 4, the flow ratio range of the radiator 5 to the engine oil cooler 4 is usually between 5 and 10, under the limit working condition, the engine oil temperature can still be controlled within the allowable range of engine oil on the premise that the radiator 5 has sufficient flow, and further good heat dissipation effect is guaranteed all the time. In this condition, the thermostat 6 recognizes the average temperature of the refrigerant flowing out of the radiator 5 and the oil cooler 4 after mixing, adjusts the average temperature to a proper temperature, and then flows into the water pump 1 to circulate.
In order to monitor the average temperature after the refrigerants flowing out of the cylinder body water jacket 2 and the cylinder cover water jacket 3 are mixed, a temperature sensor 7 is arranged on the first pipeline G1, the temperature sensor 7 is communicated with the second port of the temperature regulator 6 through the third pipeline G3, in the embodiment provided by the application, the average temperature after the refrigerants flowing out of the cylinder body water jacket 2 and the cylinder cover water jacket 3 are mixed is monitored through the temperature sensor 7, the refrigerant flows entering the radiator 5 and the engine oil cooler 4 can be reasonably distributed according to the monitored temperature, and the optimal cooling effect is achieved while the energy conservation is ensured.
Under the warm-up condition, the engine oil cooler 4 does not participate in convection heat exchange, and the engine works to generate heat to be cooled and recovered, so that the EGR cooler 8 and the waste heat recovery part 10 are arranged, the liquid inlet end of the EGR cooler 8 is communicated with the liquid outlet end of the cylinder body water jacket 2, the liquid outlet end of the EGR cooler 8 is communicated with the liquid inlet end of the water pump 1 through the fourth pipeline G4, and the EGR cooler 8 cools the refrigerant to cool the engine. The liquid inlet end of the waste heat recovery part 10 is communicated with the liquid outlet end of the cylinder cover water jacket 3, the liquid outlet end of the waste heat recovery part 10 is communicated with the liquid inlet end of the water pump 1 through a fourth pipeline G4, the waste heat recovery part 10 recovers heat generated by the engine and is used for heating the passenger cabin, the temperature of the passenger cabin is quickly raised, and the heating efficiency is high. In the embodiment provided in the application, the EGR cooler 8 and the waste heat recovery portion 10 adopt a parallel structure, and the refrigerant flowing out of the EGR cooler 8 and the refrigerant flowing out of the waste heat recovery portion 10 flow back to the water pump 1 through the fourth pipeline G4 after being collected for continuous circulation.
In the cooling process of the engine, part of the refrigerant absorbs heat and then becomes high-temperature gaseous refrigerant, the high-temperature gaseous refrigerant cannot continue to circulate in the cooling loop and can circulate only after being converted into liquid refrigerant, so that the expansion water tank 9 is arranged, and the liquid outlet end of the expansion water tank 9 is communicated with the liquid inlet end of the water pump 1 through the fourth pipeline G4.
In order to avoid the risk of unsmooth degassing caused by the countercurrent of the refrigerant in the degassing pipeline, so that the refrigerant overflows from the expansion water tank 9 under certain working conditions to cause high temperature of the engine, even serious failure conditions such as engine cylinder flushing gasket and the like, the return water connecting pipes are required to be respectively arranged to enter the expansion water tank 9, and therefore, the degassing pipe provided with the radiator 5 is communicated with the liquid inlet end of the expansion water tank 9 through the first return water connecting pipe H1; the degassing pipe of the cylinder cover water jacket 3 is communicated with the liquid inlet end of the expansion water tank 9 through a second backwater connecting pipe H2; the deaeration pipe of the EGR cooler 8 communicates with the liquid inlet end of the expansion tank 9 via a third return water connection pipe H3. The high-temperature gaseous refrigerant entering the expansion tank 9 through the first backwater connecting pipe H1, the second backwater connecting pipe H2 and the third backwater connecting pipe H3 respectively flows back to the water pump 1 for continuous circulation after being condensed in the expansion tank 9, and the deaeration pipe of the radiator 5, the deaeration pipe of the cylinder cover water jacket 3 and the deaeration pipe of the EGR cooler 8 enter the expansion tank 9 through the independent backwater connecting pipes respectively, so that unsmooth deaeration caused by mutual interference of deaeration is avoided, the overflow risk of the expansion tank 9 is reduced, and the failure problem of abnormal high temperature of the engine is also reduced.
In order to ensure that the refrigerant flowing out of the water pump 1 has enough pressure difference and refrigerant flow, a turbocharger 11 is arranged between the cylinder water jacket 2 and the water pump 1, the liquid inlet end of the turbocharger 11 is communicated with the liquid outlet end of the cylinder water jacket 2, the liquid outlet end of the turbocharger 11 is communicated with the liquid inlet end of the water pump 1, and the turbocharger 11 directly flows back to the water pump 1 for circulation after absorbing the refrigerant from the cylinder water jacket 2, so that the sufficient pressure difference and refrigerant flow are ensured.
The utility model also provides a vehicle, which comprises the arrangement structure of the engine oil cooler 4, and the vehicle adopting the arrangement structure of the engine oil cooler 4 can quickly reach the temperature for reducing emission under the warm-up working condition, quickly heat the passenger cabin in winter, effectively reduce the flow of the water pump 1 and achieve the effect of energy conservation. Under the state of the heat engine, the flow of the radiator 5 and the flow of the engine oil cooler 4 can be reasonably distributed, and the engine oil temperature is controlled within a reasonable temperature range under the condition that the sufficient flow of the radiator 5 is ensured, so that the whole vehicle can maintain a good cooling effect.
While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. An oil cooler arrangement structure, which is characterized by comprising a water pump, a cylinder body water jacket, a cylinder cover water jacket, an oil cooler, a radiator and a temperature regulator, wherein:
the liquid outlet end of the water pump is communicated with the liquid inlet end of the cylinder body water jacket, the liquid outlet end of the cylinder body water jacket is communicated with the liquid inlet end of the cylinder cover water jacket, the liquid inlet end of the engine oil cooler and the liquid inlet end of the radiator are communicated with the liquid outlet end of the cylinder cover water jacket through first pipelines, the liquid outlet end of the engine oil cooler and the liquid outlet end of the radiator are communicated with the first port of the thermostat through second pipelines, and the third port of the thermostat is communicated with the liquid inlet end of the water pump.
2. The oil cooler arrangement according to claim 1, characterized in that a temperature sensor is provided on the first line, which temperature sensor communicates with the second port of the thermostat via a third line.
3. The engine oil cooler arrangement of claim 1, further comprising an EGR cooler having a liquid inlet end in communication with a liquid outlet end of the cylinder block water jacket, the liquid outlet end of the EGR cooler in communication with a liquid inlet end of the water pump via a fourth conduit.
4. The oil cooler arrangement of claim 3, further comprising an expansion tank, a liquid outlet end of the expansion tank being in communication with a liquid inlet end of the water pump via the fourth conduit.
5. The oil cooler arrangement of claim 4, wherein the radiator deaeration tube communicates with the inlet end of the expansion tank via a first return water connection.
6. The engine oil cooler arrangement of claim 4, wherein the deaeration pipe of the head jacket communicates with the inlet end of the expansion tank through a second return water connection pipe.
7. The engine oil cooler arrangement of claim 4, wherein the deaeration tube of the EGR cooler communicates with the inlet end of the expansion tank via a third return water connection.
8. The engine oil cooler arrangement structure according to claim 1, further comprising a waste heat recovery portion, wherein a liquid inlet end of the waste heat recovery portion is communicated with a liquid outlet end of the cylinder head water jacket, and a liquid outlet end of the waste heat recovery portion is communicated with a liquid inlet end of the water pump through a fourth pipeline.
9. The engine oil cooler arrangement according to claim 1, wherein a turbocharger is provided between the cylinder water jacket and the water pump, a liquid inlet end of the turbocharger is in communication with a liquid outlet end of the cylinder water jacket, and a liquid outlet end of the turbocharger is in communication with a liquid inlet end of the water pump.
10. A vehicle comprising an oil cooler arrangement as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343618.5U CN220267816U (en) | 2023-08-30 | 2023-08-30 | Engine oil cooler arrangement structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343618.5U CN220267816U (en) | 2023-08-30 | 2023-08-30 | Engine oil cooler arrangement structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267816U true CN220267816U (en) | 2023-12-29 |
Family
ID=89303696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322343618.5U Active CN220267816U (en) | 2023-08-30 | 2023-08-30 | Engine oil cooler arrangement structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267816U (en) |
-
2023
- 2023-08-30 CN CN202322343618.5U patent/CN220267816U/en active Active
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