CN204646399U - A kind of engine-cooling system and motor - Google Patents
A kind of engine-cooling system and motor Download PDFInfo
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- CN204646399U CN204646399U CN201520117610.XU CN201520117610U CN204646399U CN 204646399 U CN204646399 U CN 204646399U CN 201520117610 U CN201520117610 U CN 201520117610U CN 204646399 U CN204646399 U CN 204646399U
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- engine
- cooling system
- water jacket
- cylinder
- cylinder body
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Abstract
The utility model relates to a kind of engine-cooling system and has the motor of this cooling system, and this cooling system comprises coolant pump, part flow arrangement, cylinder cover water jacket, cylinder body water jacket and cooling liquid outlet.The delivery outlet of wherein said coolant pump is connected to input cooling liquid with part flow arrangement, and first flow path and the second stream are arranged in the shunting of the cooling liquid of input.Described first flow path is via cylinder body water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder cap.Described second stream is via cylinder cover water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder cap.The engine-cooling system that the utility model relates to, cylinder cap can be remained on lower temperature to ensure life requirement, to improve charging efficiency by it, makes cylinder body keep higher temperature simultaneously.
Description
Technical field
The utility model relates to engine-cooling system, and has the motor of this cooling system.
Background technique
Engine-cooling system is one of constituent element of motor, its main function is distributed in time by the partial heat that Heating Components absorbs, thus make motor can obtain appropriateness cooling under various operating mode and remain in suitable temperature range and work.Such cooling system should prevent engine overheat, and motor also will be prevented excessively cold.After engine cold-start, cooling system also should ensure to start function rapid temperature increases, reaches normal operating temperature as early as possible.
At present, the constituent of motor car engine is pump circulation constituent, namely utilizes coolant pump to improve the pressure of cooling liquid, forces cooling liquid to circulate in the flow channel of motor and car load component.This system generally includes water jacket and other additional devices etc. in water pump, radiator (comprising cooling fan), thermostat, swelling water tank, engine cylinder-body and cylinder cap.
In traditional engine-cooling system, all that the delivery outlet of water pump is arranged on cylinder body water jacket, the cooling liquid sent by water pump flows out motor after flowing through cylinder body water jacket, cylinder pad water hole, cylinder cover water jacket successively, then flow to the part (as radiator, air-conditioning heater core etc.) of car load cooling system, then flow back into water pump.Due to cooling liquid be first flow through cylinder body after flow through cylinder cap again, so this will cause cylinder body good cooling results, Cooling of Cylinder Head weak effect.This is unfavorable for that both realizations are durable for a long time, and can have influence on motor operational effect.
In fact, needing most what carry out effective cooling is cylinder cap, because in general, the thermal stress of the ridge area of cylinder cap is maximum; Consider from the angle reducing frictional loss and discharge, the temperature of engine cylinder-body should be held higher simultaneously.
As can be seen here, be extremely necessary to design a kind of novel engine-cooling system, overcome defect of the prior art.
Model utility content
The purpose of this utility model is to provide a kind of novel engine-cooling system, and cylinder cap can be remained on lower temperature to ensure life requirement, to improve charging efficiency by it, makes cylinder body keep higher temperature simultaneously.
To achieve these goals, the utility model adopts following technological scheme.
A kind of engine-cooling system, it comprises coolant pump, part flow arrangement, cylinder cover water jacket, cylinder body water jacket and cooling liquid outlet, the delivery outlet of wherein said coolant pump is connected to input cooling liquid with part flow arrangement, and the cooling liquid of input is arranged to first flow path and the second stream, wherein said first flow path is via cylinder body water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder body; Described second stream is via cylinder cover water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder cap.
Further, described first flow path is via described cylinder cover water jacket and flows out from the delivery outlet be located at cylinder cap, after then entering on-board air conditioner warm-air drier heater core and machine oil heat exchanger respectively, then the loop that the inlet opening flowing into described coolant pump is formed.
Further, described first flow path is provided with flow control valve.
Further, described second stream is via the cylinder body water jacket be interconnected with described cylinder cover water jacket and flows out from the delivery outlet be located at cylinder cap, the loop that the inlet opening flowing into described coolant pump again after then entering vehicle-mounted radiator is formed.
Further, described second stream is provided with flow control valve.
Further, it also comprises the 3rd stream, and it is for inputting vehicle-mounted expansion tank from the cooling liquid of described cylinder body and the outflow of cylinder cap bleed passage and then flow into the inlet opening of described coolant pump and form loop.
Further, the 3rd stream is also provided with pressurized machine.
Further, described cylinder body is provided with temperature transducer.
Further, described cylinder cap is provided with temperature transducer.
Relative to prior art, the beneficial effects of the utility model are: the engine-cooling system that the utility model relates to cool separately for engine cylinder-body and cylinder cap respectively by arranging different streams, cylinder cap can be remained on lower temperature to ensure life requirement, to improve charging efficiency, make cylinder body keep higher temperature simultaneously.
Further, also can control the flow control valve of aperture flexibly according to coolant temperature, cylinder body metal temperature, its response time is faster, can realize accurate control to center housing temperature.
In addition, engine-cooling system of the present utility model is adopted in the process of engine cold-start, only can to concentrate by making cooling liquid and flow through cylinder cover water jacket and cylinder body water jacket need not be flowed through, can rapid warming-up be realized; Thus can improve further lubricating oil temperature, reduce frictional loss, improve burning and oil consumption performance, reduce discharge, promote engine performance.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of the engine-cooling system that the utility model relates to, and the solid arrow in Fig. 1 represents that the cooling liquid outside cylinder body water jacket and cylinder cover water jacket flows to, and dotted arrow represents that the cooling liquid in cylinder body water jacket and cylinder cover water jacket flows to.
Fig. 2 is the cooling flowing path structural representation of the engine-cooling system that the utility model relates to, and in figure, T1 represents water intake thermostat, and V represents flow control valve, and P represents coolant pump, and S represents temperature transducer.
Description of reference numerals in figure is as follows.
Coolant pump | 1 | Cylinder body water jacket | 2 |
Machine oil heat exchanger | 3 | Radiator | 4 |
Cylinder temperature sensor | 5 | Flow control valve | 6、8 |
Cylinder head temperature sensor | 7 | Bleed passage | 9 |
Cylinder cover water jacket | 10 | Pressurized machine | 11 |
Expansion tank | 12 | Warm air heater | 13 |
Main thermostat | 14 | Cooling liquid outlet | 15 |
Embodiment
Below with reference to drawings and Examples, a kind of engine-cooling system technological scheme that the mode of execution related to the utility model provides is described in further detail.
Refer to shown in Fig. 1 and Fig. 2, a kind of engine-cooling system that the utility model relates to, wherein the cooling liquid outlet of coolant pump 1 is directly communicated with the inlet opening of cylinder body water jacket 2 and cylinder cover water jacket 10 respectively through part flow arrangement.Like this, the cooling liquid flowed out by coolant pump 1 separates two-way and cools cylinder body and cylinder cap respectively.
First flow path flows through cylinder body water jacket 2, second road direction flows into cylinder cover water jacket 10, come together in cooling liquid outlet 15 after the flow control valve 8 of two-way via the flow control valve 6 and application cylider cover stream that control cylinder body stream respectively, then flow out to machine oil heat exchanger 3, radiator 4, expansion tank 12 and warm air heater 13 respectively; Flow through radiator and expansion tank stream collect with main thermostat 14 before, other each streams finally meet at the entrance of coolant pump 1, form circulation loop.
In addition, be also provided with the 3rd stream in native system, it is the stream converging rear inflow expansion tank 12 after flowing through pressurized machine 11 from cylinder body drawing-off water with the bleed passage 9 be placed in cylinder body and cylinder cap, before flow control valve mutually.
Further, at engine cylinder-body place, cooling-water temperature transmitter 5 is housed, at cylinder cap place, cooling-water temperature transmitter 7 is housed.ECU gathers the signal of two temperature transducers, then adjusts the aperture of flow control valve 6 and flow control valve 8 according to built-in control strategy, accurately controls the temperature of cylinder body and Cooling of Cylinder Head liquid, finally completes the control to engine temperature.
Further, below the function of constituent element each in the engine-cooling system related to the utility model is further described.
First, the delivery outlet of coolant pump 1 is connected to the inlet opening of cylinder body water jacket 2 and cylinder cover water jacket 10, then comes to cool separately the cylinder cap of motor and cylinder body respectively by two different streams.
Secondly, in order to the better temperature control effect to engine cylinder cover, cylinder body can be realized, cooling-water temperature transmitter and flow control valve is provided with respectively at cylinder body and cylinder cap place, by detecting the temperature of cooling liquid in cylinder body and cylinder cover water jacket, and the aperture of regulating flow control valve is carried out by the control strategy that ECU is built-in, thus the coolant rate that can regulate and control more quickly and accurately in cylinder body water jacket 2 and cylinder cover water jacket 10, realize accurately controlling to cylinder body and cylinder cap temperature.Described built-in control strategy can be arranged according to practical application situation or needs.
Such as, adopt the mode by being compared by its corresponding for the coolant temperature detected by temperature transducer predefined value, when the coolant temperature of cylinder body being detected lower than a certain setting value, just sending signal by ECU makes flow control valve 6 close completely or part closedown, thus cut off completely or reduce the coolant rate in cylinder body water jacket, continue to make center housing temperature to rise; And once after detecting that center housing temperature reaches this setting value, then sending signal by ECU makes flow control valve 6 open completely or increase aperture, to make cooling liquid flow out or more, ground flows in cooling liquid outlet.So, just center housing temperature can be maintained higher level.
3rd, in engine cold-start process, ECU can send instruction makes flow control valve 6 close, cooling liquid is made only to flow through cylinder cover water jacket 10 and not flow through cylinder body water jacket 2, effectively can ensure engine body energy rapid temperature increases like this, thus make the fuel consumption in this Cold Start, discharge improved significantly.
Engine-cooling system of the present utility model comes to cool separately for engine cylinder-body and cylinder cap respectively by arranging different streams, cylinder cap can be remained on lower temperature to ensure life requirement, to improve charging efficiency, make cylinder body keep higher temperature simultaneously.
In addition, also can control the flow control valve of aperture flexibly according to coolant temperature, cylinder body metal temperature, its response time is faster, can realize accurate control to center housing temperature.
Further, engine-cooling system of the present utility model is adopted in the process of engine cold-start, only can to concentrate by making cooling liquid and flow through cylinder cover water jacket and cylinder body water jacket need not be flowed through, can rapid warming-up be realized; Thus can improve further lubricating oil temperature, reduce frictional loss, improve burning and oil consumption performance, reduce discharge, promote engine performance.
Technical scope of the present utility model is not only confined to the content in above-mentioned explanation, those skilled in the art can under the prerequisite not departing from the utility model technological thought, various deformation and amendment are carried out to above-described embodiment, and these distortion and amendment all should be worked as and belonged in scope of the present utility model.
Claims (10)
1. an engine-cooling system, is characterized in that, it comprises coolant pump, part flow arrangement, cylinder cover water jacket, cylinder body water jacket and cooling liquid outlet; The delivery outlet of wherein said coolant pump is connected to input cooling liquid with described part flow arrangement, and first flow path and the second stream are arranged in the shunting of the cooling liquid of input; Wherein said first flow path is via described cylinder body water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder body; Described second stream is via described cylinder cover water jacket and flows out to cooling liquid outlet from the delivery outlet be located at cylinder cap.
2. a kind of engine-cooling system as claimed in claim 1, it is characterized in that: described first flow path is via described cylinder cover water jacket and flows out from the delivery outlet be located at cylinder cap, then after entering on-board air conditioner warm-air drier heater and machine oil heat exchanger respectively, then the loop that the inlet opening flowing into described coolant pump is formed.
3. a kind of engine-cooling system as claimed in claim 1 or 2, is characterized in that: described first flow path is provided with flow control valve.
4. a kind of engine-cooling system as claimed in claim 1, it is characterized in that: described second stream is via the cylinder body water jacket be interconnected with described cylinder cover water jacket and flows out from the delivery outlet be located at cylinder body, the loop that the inlet opening flowing into described coolant pump again after then entering vehicle-mounted radiator is formed.
5. a kind of engine-cooling system as described in claim 1 or 4, is characterized in that: described second stream is provided with flow control valve.
6. a kind of engine-cooling system as claimed in claim 1, it is characterized in that: it also comprises the 3rd stream, it is constructed to the cooling liquid flowed out from described cylinder body and cylinder cap bleed passage to be input to vehicle-mounted expansion tank, and then flows into the inlet opening of described coolant pump and form loop.
7. a kind of engine-cooling system as claimed in claim 6, is characterized in that: described 3rd stream is also provided with pressurized machine.
8. a kind of engine-cooling system as claimed in claim 1, is characterized in that: cylinder body is provided with temperature transducer.
9. a kind of engine-cooling system as claimed in claim 1, is characterized in that: cylinder cap is provided with temperature transducer.
10. a motor, is characterized in that, its to include any one of claim 1 to 9 or multinomial as described in engine-cooling system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520117610.XU CN204646399U (en) | 2015-02-27 | 2015-02-27 | A kind of engine-cooling system and motor |
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CN201520117610.XU CN204646399U (en) | 2015-02-27 | 2015-02-27 | A kind of engine-cooling system and motor |
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CN201520117610.XU Expired - Fee Related CN204646399U (en) | 2015-02-27 | 2015-02-27 | A kind of engine-cooling system and motor |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106640318A (en) * | 2015-10-29 | 2017-05-10 | 北汽福田汽车股份有限公司 | Engine cooling system and vehicle with same |
CN107269415A (en) * | 2017-05-11 | 2017-10-20 | 广西玉柴动力机械有限公司 | A kind of water channel parallel construction of engine three |
CN107664060A (en) * | 2016-07-29 | 2018-02-06 | 本田技研工业株式会社 | Cooling system for internal combustion engine |
CN108278172A (en) * | 2017-12-21 | 2018-07-13 | 重庆长安汽车股份有限公司 | A kind of car engine cooling system and cooling means |
CN108343500A (en) * | 2017-01-25 | 2018-07-31 | 海马汽车有限公司 | A kind of car engine cooling system |
CN109795312A (en) * | 2019-03-29 | 2019-05-24 | 重庆长安汽车股份有限公司 | A kind of thermal management system of whole of plug-in hybrid-power automobile |
CN114198189A (en) * | 2020-09-17 | 2022-03-18 | 深圳臻宇新能源动力科技有限公司 | Engine and vehicle with same |
-
2015
- 2015-02-27 CN CN201520117610.XU patent/CN204646399U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106640318A (en) * | 2015-10-29 | 2017-05-10 | 北汽福田汽车股份有限公司 | Engine cooling system and vehicle with same |
CN106640318B (en) * | 2015-10-29 | 2019-02-26 | 北汽福田汽车股份有限公司 | A kind of engine-cooling system and the vehicle with it |
CN107664060A (en) * | 2016-07-29 | 2018-02-06 | 本田技研工业株式会社 | Cooling system for internal combustion engine |
CN108343500A (en) * | 2017-01-25 | 2018-07-31 | 海马汽车有限公司 | A kind of car engine cooling system |
CN107269415A (en) * | 2017-05-11 | 2017-10-20 | 广西玉柴动力机械有限公司 | A kind of water channel parallel construction of engine three |
CN107269415B (en) * | 2017-05-11 | 2023-05-02 | 广西玉柴动力机械有限公司 | Three water course side by side structures of engine |
CN108278172A (en) * | 2017-12-21 | 2018-07-13 | 重庆长安汽车股份有限公司 | A kind of car engine cooling system and cooling means |
CN109795312A (en) * | 2019-03-29 | 2019-05-24 | 重庆长安汽车股份有限公司 | A kind of thermal management system of whole of plug-in hybrid-power automobile |
CN114198189A (en) * | 2020-09-17 | 2022-03-18 | 深圳臻宇新能源动力科技有限公司 | Engine and vehicle with same |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 |