CN102650230A - Cooling water circulating system for automobile engine - Google Patents

Cooling water circulating system for automobile engine Download PDF

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Publication number
CN102650230A
CN102650230A CN2012101333826A CN201210133382A CN102650230A CN 102650230 A CN102650230 A CN 102650230A CN 2012101333826 A CN2012101333826 A CN 2012101333826A CN 201210133382 A CN201210133382 A CN 201210133382A CN 102650230 A CN102650230 A CN 102650230A
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China
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water
solenoid valve
engine
cooling water
automobile engine
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CN2012101333826A
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CN102650230B (en
Inventor
贺文江
曹伟
梁玉斌
蔡伟坚
邹凌华
赵福全
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
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Abstract

The invention provides a cooling water circulating system for an automobile engine, belongs to the technical field of engines, and solves the problem of poor preheating effect of an existing engine preheating system. The cooling water circulating system for the automobile engine comprises an engine water jacket and a control device, wherein a water inlet of the engine water jacket is connected in series with a water pump; a water outlet of the engine water jacket is connected in series with a first electromagnetic valve; an insulated container, a communication pipeline and a radiator are arranged in parallel between a water inlet of the water pump and a water outlet of the first electromagnetic valve; water inlets of the insulated container, the communication pipeline and the radiator are connected with different control positions of the first electromagnetic valve; water outlets of the insulated container, the communication pipeline and the radiator are communicated with the water inlet of the water pump; and the control device is used for controlling the first electromagnetic valve according to the temperature of cooling water in the engine water jacket. The cooling water circulating system for the automobile engine has the advantages of only saving and utilizing the heat consumed in the environment without additionally consuming fuel, saving energy and protecting the environment.

Description

The automobile engine cooling water circulatory system
Technical field
The invention belongs to technical field of engines, relate to a kind of engine-cooling system, particularly a kind of automobile engine cooling water circulatory system.
Background technique
The haulage vehicle that the former finger of automobile is used as power with inflammable gas also refers to have and self equips power-actuated vehicle.Motor (Engine) be a kind of can being converted into of other form another kind of can machine, normally be converted into mechanical energy to chemical energy.The motivational drive of automobile is former to be motor.
The cooling system of motor is in order to guarantee that component such as motor, speed changer are operated under the optimum temperature environment; In order to reduce engine cooling water distribute heat, optimized combustion, reduction mechanical wear, the optimum operating temperature of motor is in 110-130 ℃ of interval now.
Motor is lower than the optimum working temperature operation can cause wearing and tearing increase, incomplete combustion, carbon distribution, problems such as discharging is abominable, the piston air leak amount increases, acceleration oil ageing, burn oil, lack of lubrication.After general engine body temperature reaches 40-60 ℃, but motor ability small-power output operation.According to statistics, 90% wearing and tearing come from cold starting and cold operation stage in the using process of motor, and the hot machine time is huge to the durability influence of motor.
All need the hot machine of the slow-speed of revolution after the engine start; Temperature more the hot machine of the low country time long more, as shown in Figure 2, at present motor all generally is equipped with thermostat; Its effect is before the temperature of car also reaches normal temperature, not to be in closed condition; At this moment the cooling liquid of motor is carried out short circle in the motor through the water pump return engine, plays letting motor be rapidly heated.After surpassing normal temperature, just can open, let cooling liquid carry out major cycle through whole radiator of water tank loop, thus quick heat radiating.
In order to solve the technical problem of above-mentioned existence, the someone has designed a kind of preheating system for engine [Chinese patent number: 200810226085.X; Notice of authorization number: CN101737220A], on the former vehicle cooling water circulatory system, increase a cool-bag, be used for preserving the high-temperature cooling water of cooled engine in the vehicle operating process, increase an electronic pipeline water pump and supply water to motor short circle passage.Solenoid valve on the preheating pipeline is opened; Pipeline pump working on the preheating pipe is delivered to the high-temperature cooling water of storing in the cool-bag in the engine water jacket, obviously is the high-temperature cooling water of cool-bag is mixed with low-temperature cooling water in the engine water jacket; Though improved the temperature of cooling water in the engine water jacket like this; Played the effect of warm-up the engine, but this temperature can be lower than optimum operating temperature more out and away well below the temperature of the high-temperature cooling water of former cool-bag; Exist the problem of pre-heat effect difference thus.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed a kind of ability and solved the automobile engine cooling water circulatory system of utilizing high-temperature cooling water warm-up the engine pre-heat effect difference to existing technology.
The object of the invention can be realized through following technical proposal: a kind of automobile engine cooling water circulatory system, comprise engine water jacket, and the water inlet of described engine water jacket is in series with water pump; It is characterized in that the water outlet place of described engine water jacket is in series with the solenoid valve one that has three water outlets and three at least; Parallel connection is provided with cool-bag, connecting pipe and radiator between the water outlet of the water intake of described water pump and solenoid valve one; The water intake of described cool-bag, connecting pipe and radiator is connected with solenoid valve one Different control position; The water outlet of described cool-bag, connecting pipe and radiator all links with the water intake of water pump; This circulatory system also comprises the control gear according to engine water jacket temperature control electromagnetic valve one.
The principle of this automobile engine cooling water circulatory system is to utilize cool-bag to store high-temperature cooling water, when ato unit, above-mentioned high-temperature cooling water is replaced the normal temperature cooling water in the engine water jacket; Form the short circle water route again.
In the above-mentioned automobile engine cooling water circulatory system, the volume of described cool-bag is slightly larger than the volume of engine water jacket.
In the above-mentioned automobile engine cooling water circulatory system, the water outlet of described cool-bag links through having two water intakes and two solenoid valve two and the water intake of water pump at least; The water outlet of described connecting pipe links through the water intake of described solenoid valve two with water pump; The water outlet of described cool-bag and connecting pipe is connected on the solenoid valve two Different control positions.Solenoid valve two only can make vacuum flask be connected with water pump or connecting pipe is connected with water pump; Can avoid in the short circle water route cooling water in the connecting pipe to get in the vacuum flask thus, and then influence stablizing of cooling water recirculation system.
In the above-mentioned automobile engine cooling water circulatory system, described control gear can also be according to engine water jacket temperature control electromagnetic valve two.Solenoid valve two makes control electromagnetic valve one more convenient with the method for solenoid valve two, unified also through control gear control.
In the above-mentioned automobile engine cooling water circulatory system, described control gear comprises temperature transducer that is arranged in the engine water jacket and the ECU that electrically connects temperature transducer and solenoid valve one.ECU is an Engine ECU, and temperature transducer is transferred to ECU with the temperature value that monitoring obtains, and ECU analyzes the connected state of back control electromagnetic valve one.
In the above-mentioned automobile engine cooling water circulatory system, described solenoid valve two electrically connects with described ECU.The connected state of control electromagnetic valve two simultaneously after ECU analyzes.
In the above-mentioned automobile engine cooling water circulatory system, described solenoid valve one is a 3-position-3-way solenoid valve.
In the above-mentioned automobile engine cooling water circulatory system, described solenoid valve two is the 2/2-way solenoid valve.
Compared with prior art, this automobile engine cooling water circulatory system has the following advantages:
1, this cooling water recirculation system additive decrementation fuel oil is not just practiced thrift and is utilized the heat that dissipated originally in environment, energy-conserving and environment-protective.
2, to directly preheating from inside to outside of engine body, effective.
3, solenoid valve replacement thermostat can be realized accurate control, avoids the coolant temperature fluctuation.
4, the temperature of this cooling water recirculation system warm-up the engine increases substantially, and improves the engine cold starting performance effectively, strengthens the adaptability of car load different regions.
5, this cooling water recirculation system adopts ECU control to meet the development trend of the accuracy controlling of alternate-engine coolant water temperature.
Description of drawings
Fig. 1 is the structural representation of this automobile engine cooling water circulatory system.
Fig. 2 is the structural representation of the existing automobile engine cooling water circulatory system.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
As shown in Figure 1, this automobile engine cooling water circulatory system comprises engine water jacket, water pump, solenoid valve one, connecting pipe, radiator, cool-bag and control gear.
More particularly, water pump is connected on the water inlet of engine water jacket.The volume of cool-bag is slightly larger than the volume of engine water jacket.
Solenoid valve one has three water outlets and three at least, and the solenoid valve one that present embodiment provides is 3-position-3-way solenoid valve.Solenoid valve one is connected on the water outlet place of engine water jacket.
Cool-bag, connecting pipe and radiator parallel connection are provided with and are arranged between the water outlet of water intake and solenoid valve one of water pump.
The water intake of cool-bag, connecting pipe and radiator is connected with solenoid valve one Different control position; The water outlet of cool-bag, connecting pipe and radiator all links with the water intake of water pump.
According to actual conditions, the water outlet of cool-bag can link through having two water intakes and two solenoid valve two and the water intake of water pump at least; The water outlet of connecting pipe links through the water intake of solenoid valve two with water pump; The water outlet of cool-bag and connecting pipe is connected on the solenoid valve two Different control positions.Solenoid valve two is the 2/2-way solenoid valve.
Control gear can be according to engine water jacket temperature control electromagnetic valve one, can also be according to engine water jacket temperature control electromagnetic valve two.Control gear comprises temperature transducer that is arranged in the engine water jacket and the ECU that electrically connects temperature transducer and solenoid valve one.Solenoid valve two electrically connects with described ECU.
Motor from the cold starting to the proper functioning this automobile engine cooling water circulatory system by following policy control engine warming up: 1, after engine start; The cooling water water temperature that temperature sensor monitors arrives in the control gear is during near atmospheric temperature; All open close high temperature water routes toward radiator of control gear control electromagnetic valve reach the middle warm water road that leads to connecting pipe, and keep unimpeded towards the low temperature water route of vacuum flask; Solenoid valve two is also opened the water route of vacuum flask to water pump; High temperature coolant is pressed into motor in the vacuum flask, and the cryogenic liquid in the engine water jacket is pressed into vacuum flask, realizes that the cooling liquid in engine water jacket and the vacuum flask is switched.
2, switch when accomplishing cooling liquid; The engine water jacket coolant temperature can reach moderate temperature (40 ℃ of summers; 30 ℃ of winters) after, the water route of vacuum flask is led in all open close high temperature water route and cut-outs toward radiator of solenoid valve, and opens the middle warm water road towards connecting pipe; Solenoid valve two is also opened the water route of connecting pipe to water pump; The engine coolant partial circulation operation is realized heating up rapidly.
3, when ECT is higher than normal working temperature; Solenoid valve one and solenoid valve two all are back to the state of above-mentioned pattern 1; Switch to the cryogenic liquid cooled engine in the vacuum flask when utilizing pattern 1 operation, make engine operating temperature remain on normal working temperature.
4, engine coolant persistently overheating (being warming up to about what ℃) needs the radiator cooling this moment, and solenoid valve one cuts off water route that leads to vacuum flask and the middle warm water road that leads to connecting pipe, and opens the high temperature water route towards radiator; Solenoid valve two cuts off the water route that cool-bag leads to water pump, keeps connecting pipe open-minded, utilizes radiator heat-dissipation to make coolant temperature return normal working temperature.
5, a kind of operating mode of constantly switching between the mode 3 and 4.Pattern 4 initial operating stages because of radiator in coolant temperature lower, for avoiding the engine operating temperature fluctuation, can switch mutually with mode 3, guarantee that engine operating temperature slowly changes, and remain in the normal operating temperature scope.Coolant temperature is higher in the vacuum flask when guaranteeing the motor operation; Storing heat to greatest extent; When pattern 4 operations,, switch to the mode 3 operation if after coolant temperature is lower than certain value in the vacuum flask; Temperature is elevated to certain value and switches back pattern 4 again, and the water temperature that remains in the whole circulation water route is even relatively.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as engine water jacket, water pump, solenoid valve one, connecting pipe, radiator, cool-bag and control gear morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.

Claims (8)

1. an automobile engine cooling water circulatory system comprises engine water jacket, and the water inlet of described engine water jacket is in series with water pump; It is characterized in that the water outlet place of described engine water jacket is in series with the solenoid valve one that has three water outlets and three at least; Parallel connection is provided with cool-bag, connecting pipe and radiator between the water outlet of the water intake of described water pump and solenoid valve one; The water intake of described cool-bag, connecting pipe and radiator is connected with solenoid valve one Different control position; The water outlet of described cool-bag, connecting pipe and radiator all links with the water intake of water pump; This circulatory system also comprises the control gear according to engine water jacket temperature control electromagnetic valve one.
2. the automobile engine cooling water circulatory system according to claim 1 is characterized in that, the volume of described cool-bag is slightly larger than the volume of engine water jacket.
3. the automobile engine cooling water circulatory system according to claim 1 is characterized in that, the water outlet of described cool-bag links through having two water intakes and two solenoid valve two and the water intake of water pump at least; The water outlet of described connecting pipe links through the water intake of described solenoid valve two with water pump; The water outlet of described cool-bag and connecting pipe is connected on the solenoid valve two Different control positions.
4. according to the claim 1 or the 2 or 3 described automobile engine cooling water circulatory systems, it is characterized in that described control gear can also be according to engine water jacket temperature control electromagnetic valve two.
5. the automobile engine cooling water circulatory system according to claim 4 is characterized in that, described control gear comprises temperature transducer that is arranged in the engine water jacket and the ECU that electrically connects temperature transducer and solenoid valve one.
6. the automobile engine cooling water circulatory system according to claim 5 is characterized in that, described solenoid valve two electrically connects with described ECU.
7. according to the claim 1 or the 2 or 3 described automobile engine cooling water circulatory systems, it is characterized in that described solenoid valve one is a 3-position-3-way solenoid valve.
8. the automobile engine cooling water circulatory system according to claim 4 is characterized in that, described solenoid valve two is the 2/2-way solenoid valve.
CN201210133382.6A 2012-04-28 2012-04-28 Cooling water circulating system for automobile engine Active CN102650230B (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758674A (en) * 2013-12-30 2014-04-30 山河智能装备股份有限公司 Diesel engine low-temperature auxiliary starting loop and control method thereof
CN104196945A (en) * 2014-09-02 2014-12-10 南阳淅减汽车减振器有限公司 Water-cooled shock absorber
CN106150651A (en) * 2016-08-31 2016-11-23 华南理工大学 Be suitable to the reconstructing method of nanometer magnetofluid cooling circulation
CN106286068A (en) * 2016-08-29 2017-01-04 中车大连机车车辆有限公司 Diesel engine of diesel locomotive pre-heating system
CN106438001A (en) * 2015-08-04 2017-02-22 丰田自动车株式会社 Cooling liquid circulation device for internal combustion engine
CN107503872A (en) * 2017-09-26 2017-12-22 营口理工学院 A kind of parallel preheating device of automobile engine and its control method
CN108915922A (en) * 2018-07-02 2018-11-30 中北大学 Engine start preheating device based on air energy thermal water pump
CN109611255A (en) * 2018-11-30 2019-04-12 安徽江淮汽车集团股份有限公司 A kind of vehicle rapid warming-up heat management system and its control method
CN110126610A (en) * 2019-05-24 2019-08-16 浙江吉利控股集团有限公司 A kind of extended-range hybrid power cooling system and cooling control method
CN115573803A (en) * 2022-11-18 2023-01-06 山东交通职业学院 Engine cooling device and engine cooling method

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Publication number Priority date Publication date Assignee Title
US5730089A (en) * 1995-03-08 1998-03-24 Nippondenso Co., Ltd. Cooling water circulating system for internal combustion engine of vehicle
US20040103861A1 (en) * 2002-07-30 2004-06-03 Jim Odeskog Method of operating a cooling and heating circuit of a motor vehicle
CN101598061A (en) * 2008-06-03 2009-12-09 刘传鹏 Engine-cooling system
EP2345803A1 (en) * 2009-12-17 2011-07-20 Volkswagen Aktiengesellschaft Coolant circuit of a combustion engine and a work method for operating same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730089A (en) * 1995-03-08 1998-03-24 Nippondenso Co., Ltd. Cooling water circulating system for internal combustion engine of vehicle
US20040103861A1 (en) * 2002-07-30 2004-06-03 Jim Odeskog Method of operating a cooling and heating circuit of a motor vehicle
CN101598061A (en) * 2008-06-03 2009-12-09 刘传鹏 Engine-cooling system
EP2345803A1 (en) * 2009-12-17 2011-07-20 Volkswagen Aktiengesellschaft Coolant circuit of a combustion engine and a work method for operating same

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758674A (en) * 2013-12-30 2014-04-30 山河智能装备股份有限公司 Diesel engine low-temperature auxiliary starting loop and control method thereof
CN104196945B (en) * 2014-09-02 2017-03-22 南阳淅减汽车减振器有限公司 Water-cooled shock absorber
CN104196945A (en) * 2014-09-02 2014-12-10 南阳淅减汽车减振器有限公司 Water-cooled shock absorber
CN106438001B (en) * 2015-08-04 2019-06-18 丰田自动车株式会社 Coolant circulation unit for internal combustion engine
CN106438001A (en) * 2015-08-04 2017-02-22 丰田自动车株式会社 Cooling liquid circulation device for internal combustion engine
CN106286068A (en) * 2016-08-29 2017-01-04 中车大连机车车辆有限公司 Diesel engine of diesel locomotive pre-heating system
CN106150651A (en) * 2016-08-31 2016-11-23 华南理工大学 Be suitable to the reconstructing method of nanometer magnetofluid cooling circulation
CN107503872A (en) * 2017-09-26 2017-12-22 营口理工学院 A kind of parallel preheating device of automobile engine and its control method
CN107503872B (en) * 2017-09-26 2022-09-09 营口理工学院 Parallel preheating device for automobile engine and control method thereof
CN108915922A (en) * 2018-07-02 2018-11-30 中北大学 Engine start preheating device based on air energy thermal water pump
CN109611255A (en) * 2018-11-30 2019-04-12 安徽江淮汽车集团股份有限公司 A kind of vehicle rapid warming-up heat management system and its control method
CN109611255B (en) * 2018-11-30 2020-01-21 安徽江淮汽车集团股份有限公司 Finished automobile rapid warm-up thermal management system and control method thereof
CN110126610A (en) * 2019-05-24 2019-08-16 浙江吉利控股集团有限公司 A kind of extended-range hybrid power cooling system and cooling control method
CN110126610B (en) * 2019-05-24 2020-10-27 浙江吉利控股集团有限公司 Extended-range hybrid power cooling system and cooling control method
CN115573803A (en) * 2022-11-18 2023-01-06 山东交通职业学院 Engine cooling device and engine cooling method

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