CN104595003B - Engine variable section cooling system - Google Patents
Engine variable section cooling system Download PDFInfo
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- CN104595003B CN104595003B CN201310528941.8A CN201310528941A CN104595003B CN 104595003 B CN104595003 B CN 104595003B CN 201310528941 A CN201310528941 A CN 201310528941A CN 104595003 B CN104595003 B CN 104595003B
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Abstract
The present invention relates to engine arts, and in particular to a kind of engine variable section cooling system, including cooling major cycle pipeline；The cooling major cycle pipeline includes the main road thermostat being sequentially communicated, engine radiator, main road water pump, oil cooler, engine cylinder body and cylinder cover；The main circulation pipe road is equipped with cold vehicle circulation branch road, and described cold vehicle circulation branch road one end is connect with the main road thermostat, and the other end is connect with water outlet one end of the engine radiator；The main road thermostat can distribute in real time flow of the cooling water in the cooling major cycle pipeline and cold vehicle circulation branch road according to cooling water temperature.The present invention can be by being adjusted cooling system reasonable distribution cooling water, accurate real-time " heat management " is carried out to vehicle, while engine reaches normal working temperature as soon as possible, realizes the fast speed heat vehicle of engine cold state, improve engine mechanical efficiency, reach energy-saving and emission-reduction purpose.
Description
Technical field
The present invention relates to engine arts, and in particular to a kind of engine variable section cooling system.
Background technique
The function of automobile cooling system is that the partial heat for absorbing Heating Components distributes in time, guarantees that engine exists
It works under optimum state of temperature.The cooling system of engine is divided into air-cooled and water cooling.Using air as the cold of cooling medium
It but is referred to as air-cooled system；It is known as water cooling system using coolant liquid as cooling medium.The effect of car engine cooling system is in institute
Have under operating condition, guarantee that engine works at optimum temperature, whether cooling system is matched suitable will directly influences hair
The service life and fuel economy of motivation, so in the design and calculating of cooling system, the type selecting and fan of radiator
Matching cooling system is played a crucial role.
By taking water-cooling system as an example, the cooling system of automobile engine is forced circulation water cooling system, i.e., improves cooling using water pump
The pressure of liquid forces coolant liquid to circulate within the engine.Cooling system is mainly by water pump, radiator, cooling fan, section temperature
The composition such as water jacket and auxiliary equipment in device, engine cylinder block and cylinder head.
In a cooling system, in fact there are two heat dissipation circulation: one be cooling engine major cycle, the other is interior
Heating circulation.The two circulations are all centered on engine, using being same coolant liquid.
1) major cycle of cooling engine
Major cycle, that is, coolant liquid following in the water jacket in thermostat, radiator, water pump, engine cylinder block and cylinder head
Ring.Coolant liquid comes out from engine, by the radiator of thermostat and Chinese herbaceous peony end, after heat dissipation, then through water pump enters engine.
2) circulation of interior heating
This is a heating circulation, but for engine, it is equally the cooling cycle of an engine.Coolant liquid
By interior heating plant, the heat of coolant liquid is sent into car, is then return to engine.Have unlike a bit: heating
Circulation is not by the control of thermostat, as long as opening heating, this circulation begins to carry out, regardless of coolant liquid is cold or hot.
But available engine cooling system, when engine operates, cooling water pump driving cooling water is simultaneously by starting
Machine cylinder block, cylinder cover, oil cooler and warm air radiator etc., in the engine cold starting stage, engine cylinder body water jacket
Water temperature rise slowly, the fit clearance between piston and cylinder sleeve is small, and frictional resistance is big, cause warm-up period frictional work big, fire
Oil consumption increases therewith, seriously polluted.
In order to solve problem above, the present invention has done beneficial improvement.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of engine variable section cooling system, can reasonable distribution cooling water, to vehicle
Accurate dynamic " heat management " is carried out, realizes the fast speed heat vehicle of engine cold state.Reach normal work as soon as possible in engine
While temperature, make the water temperature rapid increase of water jacket of engine cylinder, realize the fast speed heat vehicle of engine cold state, reduces hair
Motivation friction and accessory drive power, improve engine mechanical efficiency, reach energy-saving and emission-reduction purpose.
(2) technical solution
The present invention is achieved by the following technical solutions: a kind of engine variable section cooling system, including cooling master follows
Endless tube road；The cooling major cycle pipeline includes the main road thermostat, engine radiator, main road water pump, machine oil being sequentially communicated
Cooler, engine cylinder body and cylinder cover；The main circulation pipe road is equipped with cold vehicle circulation branch road, the cold vehicle circulation branch road
One end is connect with the main road thermostat, and the other end is connect with water outlet one end of the engine radiator；The main road section
Warm device can distribute in real time stream of the cooling water in the cooling major cycle pipeline and cold vehicle circulation branch road according to cooling water temperature
Amount.
It wherein, further include the first temperature inductor, first temperature inductor is for measuring the cooling main circulation pipe
Cooling water temperature in road；After engine start, cooling water circulates in the cold vehicle circulation branch road；When the first temperature
When inductor detects that cooling water temperature reaches that the main road thermostat is default just to open temperature, the main road thermostat is opened, cold
But water starts to circulate in cooling major cycle pipeline and cold vehicle circulation branch road respectively.
Further, further include the first controller, first controller respectively with first temperature inductor and main road
Thermostat connection, for controlling the valve opening of main road thermostat according to cooling water temperature.
Preferably, the main road thermostat is wax formula thermosistor or automatically controlled thermosistor.
Wherein, the interior heating circulation branch road of engine is arranged on the cooling main circulation pipe road, the interior heating
Circulation branch road includes the first secondary thermostat and warm air radiator being sequentially communicated.
Further, branch water pump is additionally provided in the interior heating circulation branch road.
Further, the engine variable section cooling system further includes second temperature inductor and second controller, institute
Second temperature inductor is stated for measuring compartment air temperature, and the second temperature inductor and the second controller phase
Even；The Vehicle Controller is connect with the described first secondary thermostat and branch water pump respectively, for controlling the first chromaffin body temperature
The power of the valve opening of device and the branch water pump.
Wherein, the cooling main circulation pipe road is equipped with the second secondary thermostat；The cooling main circulation pipe road is additionally provided with
Machine oil cooling cycle branch, the oil cooler and the second secondary thermostat form machine oil cooling cycle main road；The machine oil is cold
But circulation main road is connect with the machine oil cooling cycle branch circuit parallel connection.
Further, the engine variable section cooling system further includes third temperature inductor, for measuring engine air
The intracorporal oil temperature of cylinder.
Further, the engine variable section cooling system further includes third controller, the third controller difference
It is connect with the third temperature inductor and the second secondary thermostat, for the valve according to the secondary thermostat of oil temperature control second
Aperture.
(3) beneficial effect
Compared with the prior art and product, the present invention has the following advantages:
1, the present invention can carry out accurate " heat in real time to vehicle by the way that cooling system reasonable distribution cooling water is adjusted
Management ", while engine reaches normal working temperature as soon as possible, makes the water temperature rapid increase of water jacket of engine cylinder,
It realizes the fast speed heat vehicle of engine cold state, reduces engine friction and accessory drive power, improve engine mechanical efficiency, reach
To energy-saving and emission-reduction purpose；
2, the present invention can by the flow of temperature in compartment and cylinder inner engine oil temperature reasonable distribution cooling water,
So that engine is always worked in optimal water temperature state, reaches the fuel consumption for reducing warm-up period, the discharge for reducing pollutant
With the purpose for extending engine life etc..
Detailed description of the invention
Fig. 1 is engine cooling system structure schematic diagram of the invention；
Fig. 2 is the vehicle control syetem structural schematic diagram of engine-cooling system of the invention.
In attached drawing, the component list representated by each label is as follows:
1, main road thermostat；2, cooling major cycle pipeline；2a, cold vehicle circulation branch road；3, the first secondary thermostat；4, warm wind dissipates
Hot device；5, branch water pump；6, interior heating circulation branch road；7, cylinder head；8, engine cylinder block；9, oil cooler；10, machine
Oily cooling cycle branch；11, the second secondary thermostat；12, main road water pump；13, engine radiator；14, the first temperature inductor；
15, second temperature inductor；16, third temperature inductor；30, vehicle control syetem；31, the first controller；32, the second control
Device；33, third controller.
Specific embodiment
A specific embodiment of the invention is made a detailed explanation with reference to the accompanying drawing.
As shown in Figure 1, the present embodiment provides a kind of engine variable cooling system, including cooling major cycle pipeline 2；It is described
Cooling major cycle pipeline 2 includes main road thermostat 1, engine radiator 13, the main road water pump 12, oil cooler being sequentially communicated
9, engine cylinder body 8 and cylinder cover 7；The major cycle pipeline 2 is equipped with cold vehicle circulation branch road 2a, the cold vehicle circulation branch road
One end is connect with the main road thermostat, and the other end is connect with water outlet one end of the engine radiator；The main road section
Warm device can distribute in real time stream of the cooling water in the cooling major cycle pipeline and cold vehicle circulation branch road according to cooling water temperature
Amount adjusts the cooling water flow that cooling major cycle pipeline flows through radiator, guarantees to start to make engine in cold-start phase
Machine water temperature and cylinder oil temperature rapid increase.The present invention is right by the way that cooling system reasonable distribution cooling water is adjusted
Vehicle, which carries out accurate " heat management " in real time, makes cylinder while engine reaches normal working temperature as soon as possible
The water temperature rapid increase of body water jacket realizes the fast speed heat vehicle of engine cold state, reduces engine friction and accessory drive power,
Engine mechanical efficiency is improved, is achieved energy-saving and emission reduction purposes.
Wherein, the engine variable section cooling system further includes the first temperature inductor 14, the first temperature inductor, with
And the instruments such as temperature measuring set can be used in second, third following temperature inductors.First temperature inductor 14 is used for
Measure the cooling water temperature in the cooling major cycle pipeline 2；After engine start, cooling water is in cold vehicle circulation branch road 2a
It circulates；When the first temperature inductor 14 detects that cooling water temperature reaches that the main road thermostat 1 is preset just to open temperature
When, the valve opening of main road thermostat, cooling water starts to follow in cooling major cycle pipeline 2 and cold vehicle circulation branch road 2a respectively
Ring.Main road thermostat 1 is for distributing flow of the cooling water in major cycle pipeline and cold vehicle circulation branch road.When cooling water temperature reaches
Temperature, the valve opening of main road thermostat are just opened to main road thermostat, cooling water starts the recycle stream in cooling major cycle pipeline
Dynamic, with the raising of coolant water temperature, the valve opening of main road thermostat is incrementally increased until standard-sized sheet, synchronously, is progressively closed off cold
But water partial circulating guides whole cooling waters to shed heat by the radiator.
Further, the engine variable cooling system further includes vehicle control syetem, as shown in Fig. 2, the vehicle-mounted control
System 30 includes the first controller 31.Single-chip microcontroller or micro- can be used in first controller and second, third following controllers
The processors such as processor are made.First controller 31 connects with first temperature inductor 14 and main road thermostat 1 respectively
It connects, for the valve opening according to cooling water temperature real-time control main road thermostat 1, adjusts cooling major cycle pipeline and cold vehicle follows
The cooling water flow of ring branch, so that controllable cooling water passes through the heat that radiator is shed.In the present embodiment, main road section temperature
Device can be also possible to automatically controlled thermosistor with wax formula thermosistor, and the valve opening of main road thermostat is controlled according to coolant water temperature, thus
The flow of cooling water is controlled, reasonable distribution flow of cooling water direction is in engine cooling water temperature in optimum range always.
In addition, the warm air radiator of conventional engines cooling system has cooling water to flow through always when engine operates.On
Stating situation caused in summer, did not needed also have engine cooling water to flow through warm air radiator when warm wind in automobile bodies, thus
The flow that a large amount of cooling waters of needs flow through the radiator of cooling main circulation pipe road has been shunted, has caused engine radiating insufficient；And
In winter under severe cold weather, to guarantee air in a car compartment heating, a large amount of cooling water is needed to flow through warm air radiator, and needs to flow
It reduces through cooling main circulation pipe road radiator cooling water is opposite, but conventional engines cooling system can not achieve above-mentioned essence
Really regulation, cannot need to design the cooling of larger displacement according to weather conditions reasonable distribution cooling water to meet limiting condition usually
Water pump, to cause the waste of energy consumption.
In the present embodiment, the interior heating circulation branch road 6 of engine is arranged on the cooling main circulation pipe road, the vehicle
Interior heating circulation branch road includes the first secondary thermostat 3 and warm air radiator 4 being sequentially communicated.It does not need to warm up in compartment in summer
Wind, the first secondary thermostat 3 cut off the water route for flowing to warm air radiator 4, so that whole cooling waters is all passed through engine radiator 13, be
Engine operation provides adequately cooling under hot weather；And in winter under severe cold weather, to guarantee air in a car compartment heating, the
One secondary thermostat 3 is opened, and adjusts the valve opening of the first secondary thermostat 3, makes cooling water reasonable distribution, adjustment flows into car and takes
The cooling water flow of warm circulation branch road 6, has saved energy consumption.Further, branch water is additionally provided in the interior heating circulation branch road 6
Pump 5, can be used quantitative water pump by the branch water pump, variable water pump can also be used, can more efficiently adjust and flow through warm wind
Cooling water flow in radiator improves the regulating effect of temperature in compartment.Specifically, the engine variable section cooling system
It further include second temperature inductor 15, the second temperature inductor is for measuring compartment air temperature；Branch water pump 5 can be adopted
Use electric control pump.Electric control pump is connected with warm air radiator 4, and electric control pump, which can be, determines revolving speed, is also possible to speed change revolving speed
's.The vehicle control syetem 30 includes second controller 32, and second temperature inductor 15 and 32 phase of second controller
Even；The second controller 32 is connect with the described first secondary thermostat 3 and branch water pump 5 respectively, which is protecting
While demonstrate,proving engine temperature, temperature in the compartment that is detected according to second temperature inductor, the first chromaffin body described in real-time control
The power of the valve opening of warm device 3 and the branch water pump 5.When temperature is higher in compartment, the first secondary thermostat should be just increased
Valve opening, open and improve the power of branch water pump, the temperature in compartment is effectively ensured；Conversely, should just reduce the first pair
The valve opening of thermostat reduces the power of branch water pump.
Moreover the oil cooler of conventional engines cooling system has cooling water to flow through always when engine operates, this
When sample causes to operate in the engine cold state, since machine oil is cooled, water is cooling, and engine motor oil temperature temperature rise is slow, machine
Oil viscosity is big, rubs between each kinematic pair of engine big, to also cause big in warm-up period frictional work, fuel consumption is big, dirty
The disadvantages of discharge for contaminating object is serious, insufficient lubrication, and movement parts abrasion is big.
In the present embodiment, the cooling major cycle pipeline 2 is equipped with the second secondary thermostat 11；The cooling major cycle pipeline
Machine oil cooling cycle branch 10 is additionally provided on 2.Specifically, entering in the oil cooler 9 on the cooling major cycle pipeline 2
Mouth of a river one end is equipped with the second secondary thermostat 11；The oil cooler 9 and the second secondary thermostat 11 form machine oil cooling cycle master
Road；The machine oil cooling cycle main road is connected in parallel with the machine oil cooling cycle branch 10.Specifically, the machine oil cooling follows
One end of ring branch 10 is connected to the arrival end of the described second secondary thermostat 11, and the other end of the machine oil cooling cycle branch 10 connects
It connects in cylinder head 7.Thus, it is lower in temperature, especially in winter when, it is cold machine oil can be flowed to by the second secondary flow controller closing
But the water route of device makes cooling water circulate by machine oil cooling cycle branch, avoids excessively cooling down the machine oil in cylinder,
Influence the mechanical performance of engine.
Further, the engine variable section cooling system further includes third temperature inductor 16, for measuring engine
Oil temperature in cylinder block 8.The present invention can adjust the valve opening of the second secondary thermostat 11 according to oil temperature, and adjustment flows through
The cooling water flow of the oil cooler 9 makes the machine oil in engine cylinder block 8 be in optimum temperature range.Specifically, institute
Stating vehicle control syetem 30 further includes third controller 33, the third controller 33 respectively with the third temperature inductor 16
It is connected with the second secondary thermostat 11, for the valve opening according to the secondary thermostat of oil temperature control second, thus in real time, rationally
Control flows through the cooling water flow of oil cooler.
The engine variable section cooling system course of work: pass through main road thermostat in cooling major cycle pipeline, the
The first secondary thermostat in second mate's thermostat and interior heating circulation branch road jointly controls the flow direction of cooling water, according to engine
The dynamic optimization management of the cooling system, reasonable distribution cooling water, cooperation cooling fan operating pipe are realized in the variation of operating condition
Reason, make engine always works in optimal water temperature state., do not need warm wind in compartment, the first secondary thermostat cutting or
The cooling water for flowing to warm air radiator is reduced, the cooling water flow that cooling water passes through radiator is increased, to start under hot weather
Machine work provides adequately cooling.And in winter under severe cold weather, to guarantee air in a car compartment heating, the first secondary thermostat is opened
It opens, while branch pump operation, the second secondary thermostat closes the cooling water that cutting flows to oil cooler, a large amount of at this time cooling
Water flows through warm air radiator, and needs to flow through the opposite reduction of radiator cooling water, to guarantee to supply warm wind needs in compartment.It reaches
To the purpose for reducing the fuel consumption of warm-up period, the discharge for reducing pollutant and extension engine life etc..
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (7)
1. a kind of engine variable section cooling system, which is characterized in that including cooling major cycle pipeline；The cooling main circulation pipe
Road includes the main road thermostat being sequentially communicated, engine radiator, main road water pump, oil cooler, engine cylinder body and vapour
Cylinder cap；The cooling main circulation pipe road is equipped with cold vehicle circulation branch road, described cold vehicle circulation branch road one end and the main road section temperature
Device connection, the other end are connect with water outlet one end of the engine radiator；The main road thermostat can be according to coolant water temperature
Degree distributes flow of the cooling water in the cooling major cycle pipeline and cold vehicle circulation branch road in real time；
The interior heating circulation branch road of engine is arranged on the cooling main circulation pipe road, the interior heating circulation branch road packet
Include the secondary thermostat of first be sequentially communicated and warm air radiator；
In summer, the first secondary thermostat cutting flows to the water route of warm air radiator, dissipates whole cooling waters all by engine
Hot device；And in winter under severe cold weather, the first secondary thermostat is opened, and adjusts the valve opening of the first secondary thermostat, adjustment stream
Enter the cooling water flow of interior heating circulation branch road；
It further include second temperature inductor and second controller, the second temperature inductor is for measuring air in a car compartment temperature
Degree, and the second temperature inductor is connected with the second controller；Branch water is additionally provided in the interior heating circulation branch road
Pump；Vehicle Controller is connect with the described first secondary thermostat and branch water pump respectively, for controlling the described first secondary thermostat
The power of valve opening and the branch water pump.
2. engine variable section cooling system according to claim 1, which is characterized in that further include the first temperature sense
Device, first temperature inductor are used to measure the cooling water temperature in the cooling major cycle pipeline；After engine start,
Cooling water circulates in the cold vehicle circulation branch road；When the first temperature inductor detects that cooling water temperature reaches the master
Road thermostat is default when just opening temperature, and the main road thermostat is opened, and cooling water starts respectively in cooling major cycle pipeline and cold
It is circulated in vehicle circulation branch road.
3. engine variable section cooling system according to claim 2, which is characterized in that further include the first controller, institute
It states the first controller to connect with first temperature inductor and main road thermostat respectively, be led for being controlled according to cooling water temperature
The valve opening of road thermostat.
4. engine variable section cooling system according to claim 3, which is characterized in that the main road thermostat is wax
Formula thermosistor or automatically controlled thermosistor.
5. engine variable section cooling system according to claim 1-4, which is characterized in that the cooling master follows
Endless tube road is equipped with the second secondary thermostat；The cooling main circulation pipe road is additionally provided with machine oil cooling cycle branch, the machine oil
Cooler and the second secondary thermostat form machine oil cooling cycle main road；The machine oil cooling cycle main road is followed with machine oil cooling
The connection of ring branch circuit parallel connection.
6. engine variable section cooling system according to claim 5, which is characterized in that further include third temperature sense
Device, for measuring the oil temperature in cylinder body.
7. engine variable section cooling system according to claim 6, which is characterized in that further include third controller, institute
It states third controller connect with the third temperature inductor and the second secondary thermostat respectively, for controlling the according to oil temperature
The valve opening of second mate's thermostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528941.8A CN104595003B (en) | 2013-10-30 | 2013-10-30 | Engine variable section cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528941.8A CN104595003B (en) | 2013-10-30 | 2013-10-30 | Engine variable section cooling system |
Publications (2)
| Publication Number | Publication Date |
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| CN104595003A CN104595003A (en) | 2015-05-06 |
| CN104595003B true CN104595003B (en) | 2019-01-15 |
Family
ID=53121008
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310528941.8A Expired - Fee Related CN104595003B (en) | 2013-10-30 | 2013-10-30 | Engine variable section cooling system |
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| CN (1) | CN104595003B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106870061A (en) * | 2017-02-22 | 2017-06-20 | 重庆长安汽车股份有限公司 | A kind of cooling system of rapidly pre-warming speed changer machine oil |
| CN107781330B (en) * | 2017-11-17 | 2024-02-20 | 潍柴动力股份有限公司 | Heat dissipation system of hydraulic retarder matched with whole car and car |
| CN109895600A (en) * | 2017-12-11 | 2019-06-18 | 郑州宇通客车股份有限公司 | A kind of automobile-used heating system and vehicle |
| JP6919552B2 (en) * | 2017-12-22 | 2021-08-18 | 株式会社デンソー | Cooling circuit and oil cooler |
| CN108944333B (en) * | 2018-06-27 | 2020-06-26 | 潍柴动力股份有限公司 | Heating control system and heating control method for pure electric vehicle |
| CN109555756A (en) * | 2018-12-11 | 2019-04-02 | 中国铁建重工集团有限公司 | Development machine and its development machine cooling system |
| US11661883B2 (en) * | 2019-06-03 | 2023-05-30 | Hanon Systems | Heat management system |
| CN112901333B (en) * | 2019-11-19 | 2022-03-01 | 广州汽车集团股份有限公司 | Cooling system and method of hybrid power vehicle and automobile |
| CN111894721B (en) * | 2020-07-08 | 2021-06-08 | 东风商用车有限公司 | Engine cooling system |
| CN114763761B (en) * | 2021-01-11 | 2023-11-10 | 长城汽车股份有限公司 | Engine water temperature control method, cooling system and vehicle |
| CN115370458B (en) * | 2021-05-18 | 2023-08-15 | 广州汽车集团股份有限公司 | Engine cooling system, method, vehicle control system, vehicle and storage medium |
| CN113565613B (en) * | 2021-07-12 | 2022-09-30 | 东风柳州汽车有限公司 | Engine cooling system and method |
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| CN104595003A (en) | 2015-05-06 |
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Effective date of registration: 20180411 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Applicant after: Beijing treasure Car Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Applicant before: BEIQI FOTON MOTOR Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
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| 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: 20190115 Termination date: 20211030 |