CN105386845A - Engine outer circulating cooling system - Google Patents

Engine outer circulating cooling system Download PDF

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Publication number
CN105386845A
CN105386845A CN201510884881.2A CN201510884881A CN105386845A CN 105386845 A CN105386845 A CN 105386845A CN 201510884881 A CN201510884881 A CN 201510884881A CN 105386845 A CN105386845 A CN 105386845A
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CN
China
Prior art keywords
pressurized machine
intercooler
return pipe
timing
cooling system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510884881.2A
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Chinese (zh)
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CN105386845B (en
Inventor
段伟
陈杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Xiaokang Power Co ltd
Seres Group Co Ltd
Original Assignee
Chongqing Sokon Industry Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201510884881.2A priority Critical patent/CN105386845B/en
Publication of CN105386845A publication Critical patent/CN105386845A/en
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Publication of CN105386845B publication Critical patent/CN105386845B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/12—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2023/00—Signal processing; Details thereof
    • F01P2023/08—Microprocessor; Microcomputer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe
    • F01P2031/30—Cooling after the engine is stopped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/02—Intercooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00—Cooling circuits using auxiliaries
    • F01P2060/12—Turbo charger

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

The invention discloses an engine outer circulating cooling system which comprises a supercharger, an intercooler, an electronic control water pump and a cooling pipeline. The engine outer circulating cooling system further comprises a control system. The control system at least comprises a first detection unit for detecting the flameout signal of an engine, a processing unit for receiving the flameout signal and outputting a control instruction to a timing circuit, and the timing circuit for triggering timing and outputting a timing over signal to the processing unit after timing is over. The processing unit controls the electronic control water pump to stop working after receiving the timing over signal. When the engine is shut off, though circulation of oil stops, a cooling loop passing through the supercharger can still cool a turbine, and corrosion to the supercharger due to supercharger of cooling liquid is avoided; a car owner can stop a car without idling, troubles are omitted for the car owner, unnecessary fuel consumption caused during idling is also avoided, and the engine outer circulating cooling system saves more energy and is more environmentally friendly.

Description

Motor external circulation cooling system
Technical field
The present invention relates to engine cooling field, particularly a kind of motor external circulation cooling system.
Background technique
A large amount of heats can be produced during engine operation, affect the working efficiency of charging efficiency and cylinder, therefore need to cool it.Exist on the motor of turbocharging technology, be usually provided with Inner eycle cooling system and external circulation cooling system, Inner eycle cools the cooling of cylinder body and the cylinder cap referred to motor, and outer circulation cools the cooling of pressurized machine and the intercooler referred to motor.
Common turbosupercharged engine, can require that car owner does not stop working immediately after running at high speed for a long time, but allow engine idling operation a period of time, because stop working immediately, liquid circulation also stops thereupon, and cooling liquid gasifies, corrosion turbosupercharger; Machine oil runs into high temperature and also can go bad, and loses lubrication, makes turbo impairment.This kind of type of cooling can affect the driving comfortability of driver greatly, and when car owner stops working immediately because of urgency, also can cause damage to turbosupercharger.
Therefore, provide a kind of motor external circulation cooling system, normally can ensure the cooling to engine supercharging system when engine operation, after engine misses state, still can ensure the cooling effect of pressurization system, reduce the damage to turbosupercharger.
Summary of the invention
In view of this, the invention provides a kind of motor external circulation cooling system, normally can ensure the cooling to engine supercharging system when engine operation, after engine misses state, still can ensure the cooling effect of pressurization system, reduce the damage to turbosupercharger.
Motor external circulation cooling system of the present invention, comprise pressurized machine, intercooler, for providing the electric control pump of cooling water and forming the cooling line of water circulation path;
Also comprise control system, control system at least comprises processing unit and the detection unit I be attached thereto respectively and timing circuit, detection unit I is for detecting the misfire signals of motor, processing unit is for receiving described misfire signals and exporting control command to timing circuit, and timing circuit is used for triggering timing and exports timing end signal to processing unit after timing terminates;
Electric control pump is connected with described processing unit, and processing unit controls electric control pump after receiving timing end signal and quits work.
Further, control system also comprises: detection unit II, is connected with described processing unit, for detecting the actuating signal of motor; After processing unit receives actuating signal, control electric control pump start working.
Further, timing circuit timing time T is 6-8min.
Further, cooling line comprises for the intercooler intake pipe of intercooler cooling water inlet and the intercooler return pipe for intercooler cooling water outlet, also comprise for pressurized machine cooling water inlet volume pressurized machine intake pipe and the pressurized machine return pipe for the water outlet of pressurized machine cooling water, one-body moldedly on intercooler intake pipe be provided with the pressurized machine intake pipe that the feed-water end for pressurized machine intake pipe is communicated with and be communicated with pipeline section, intercooler return pipe is provided with the pressurized machine return pipe connection pipeline section that the waterexit end for pressurized machine return pipe is communicated with.
Further, automatic pressure intensifier return pipe is communicated with current that pipeline section enters intercooler return pipe and flows to the center line departing from pressurized machine return pipe joint in direction and arrange.
Further, automatic pressure intensifier return pipe is communicated with current that pipeline section enters intercooler return pipe and flows to tangential along joint pressurized machine return pipe, direction.
Further, pressurized machine intake pipe is communicated with pipeline section current approach axis and joint pressurized machine in-pipe flow direction of advance of intaking becomes 60 ° of angles to arrange.
Further, intercooler intake pipe, intercooler return pipe, pressurized machine intake pipe and pressurized machine return pipe entirety are bend pipe structure, and bending place is for seamlessly transitting structure.
Further, the feed-water end pipeline section of intercooler intake pipe is the bend loss of-70 ° of angles at 45 °, and waterexit end pipeline section is bend loss in 90 °;
The feed-water end pipeline section of intercooler return pipe is the bend loss of-110 ° in 90 °, and waterexit end pipeline section is straight length.
Further, intercooler intake pipe, intercooler return pipe, pressurized machine intake pipe and pressurized machine return pipe are metal tube.
Beneficial effect of the present invention: motor external circulation cooling system of the present invention, by detecting the misfire signals of motor, timing circuit work is controlled by processing unit, then after timing terminates, order electric control pump quits work again, make when tail-off, although now the circulation of machine oil stops, still can be dispelled the heat for turbine by the cooling circuit of turbosupercharger, prevent cooling liquid from gasifying and corrosion is caused to turbosupercharger, and car owner can be stopped without the need to idling, eliminate the trouble of car owner, fuel consume meaningless when also saving on the other hand idling, energy-conserving and environment-protective more.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is control system flow chart of the present invention;
Fig. 2 is cooling line layout plan of the present invention.
Embodiment
Fig. 1 is control system flow chart of the present invention, Fig. 2 is cooling line layout plan of the present invention, as shown in the figure: the motor external circulation cooling system of the present embodiment, comprise pressurized machine 4, intercooler 1, for providing the electric control pump 7 of cooling water and forming the cooling line of water circulation path;
Also comprise control system, control system at least comprises processing unit 8 and the detection unit I 9 be attached thereto respectively and timing circuit 10, detection unit I 9 is for detecting the misfire signals of motor, processing unit 8 is for receiving described misfire signals and exporting control command to timing circuit 10, and timing circuit 10 is for triggering timing and export timing end signal to processing unit 8 after timing terminates, certainly, also comprise the power supply for powering to electric control pump 7, power supply and electric control pump 7 are the independent agency arranged separately, controlled by processing unit 8, wherein, processing unit 8 is integrated chip or controller, detection unit I 9 is for detecting misfire signals, misfire signals be that detection unit I 9 detects that engine ignition switch is in closed condition and motor transfers flameout state to from running state time signal, timing circuit 10 is prior art circuits structure, realization can start timing and export timing end signal to processing unit 8 at the end of timing, for prior art, do not repeat them here, and, processing unit 8 wherein and timing circuit 10 all can realize by existing structure, do not relate to the improvement in any program.
Electric control pump 7 is connected with described processing unit 8, and processing unit 8 controls electric control pump 7 and quits work after receiving timing end signal.
In the present embodiment, control system also comprises: detection unit II 11, is connected with described processing unit 8, for detecting the actuating signal of motor; After processing unit 8 receives actuating signal, control electric control pump 7 start working.
In the present embodiment, timing circuit 10 timing time T is 6-8min; Preferably 6min, 7min, 8min.
In the present embodiment, cooling line comprises for the intercooler intake pipe 2 of intercooler 1 cooling water inlet and the intercooler return pipe 3 for intercooler 1 cooling water outlet, also comprise and cool the pressurized machine intake pipe 5 of water inlet and the pressurized machine return pipe 6 for the water outlet of pressurized machine 4 cooling water for pressurized machine 4, one-body moldedly on intercooler intake pipe 2 be provided with the increasing pressurized machine intake pipe that the feed-water end for pressurized machine intake pipe 5 is communicated with and be communicated with pipeline section 2-3, intercooler return pipe 3 is provided with the pressurized machine return pipe connection pipeline section 3-3 that the waterexit end for pressurized machine return pipe 6 is communicated with, as shown in the figure, intercooler intake pipe 2 two ends are communicated with the water outlet of water pump and the water intake of intercooler 1 respectively, intercooler return pipe 3 two ends are communicated with the water outlet of intercooler 1 and the water intake of water pump 7 respectively, the feed-water end of pressurized machine intake pipe 5 is directly communicated with pipeline section 2-3 with increasing pressurized machine intake pipe and is communicated with for being intake, the waterexit end of pressurized machine intake pipe 5 is communicated with the water intake of pressurized machine 4, the feed-water end of pressurized machine return pipe 6 is communicated with the water outlet of pressurized machine 4, the waterexit end of pressurized machine return pipe 6 is directly communicated with pipeline section 3-3 and is communicated with for water outlet with pressurized machine return pipe, wherein, increase pressurized machine intake pipe be communicated with pipeline section 2-3 be communicated with pressurized machine return pipe pipeline section 3-3 respectively one_to_one corresponding be shaped on intercooler intake pipe 2 and intercooler return pipe 3, quick despatch can be realized, and good sealability can be had.
In the present embodiment, the current that automatic pressure intensifier return pipe connection pipeline section 3-3 enters intercooler return pipe 3 flow to the center line setting departing from pressurized machine return pipe 6 joint in direction; Automatic pressure intensifier return pipe is communicated with current that pipeline section 3-3 enters intercooler return pipe 3 and flows to tangential along joint pressurized machine return pipe 6, direction; Namely pressurized machine return pipe connection pipeline section 3-3 is tangentially connected with pressurized machine return pipe 6, the current entering intercooler return pipe 3 from automatic pressure intensifier return pipe connection pipeline section 3-3 can be made tangentially to enter, can not be formed with the interior cooling water flow refluxed from intercooler 1 of intercooler return pipe 3 and collide, ensure that flowing water is smooth and easy.
In the present embodiment, the current approach axis increasing pressurized machine intake pipe connection pipeline section 2-3 becomes 60 ° of angles to arrange with current direction of advance in joint pressurized machine intake pipe 5; Ensure that water inlet is smooth and easy.
In the present embodiment, intercooler intake pipe 2, intercooler return pipe 3, pressurized machine intake pipe 5 and pressurized machine return pipe 6 entirety are bend pipe structure, and bending place is for seamlessly transitting structure; Rational in infrastructure, can prevent while there is rational trend and interference between all parts.
In the present embodiment, the feed-water end pipeline section of intercooler intake pipe 2 is the bend loss 2-1 of-70 ° of angles at 45 °, and waterexit end pipeline section is bend loss 2-2 in 90 °; Optimum, bend loss 2-1 is 45 °, 60 ° or 70 °.
In the present embodiment, the feed-water end pipeline section of intercooler return pipe is the bend loss 3-1 of-110 ° in 90 °, and waterexit end pipeline section is straight length 3-2; Optimum, bend loss 3-1 is 90 °, 100 °, 110 °.
In the present embodiment, intercooler intake pipe, intercooler return pipe, pressurized machine intake pipe and pressurized machine return pipe are metal tube; Can be aluminum pipe or steel pipe.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (10)

1. a motor external circulation cooling system, is characterized in that: comprise pressurized machine, intercooler, for providing the electric control pump of cooling water and forming the cooling line of water circulation path;
Also comprise control system, described control system at least comprises processing unit and the detection unit I be attached thereto respectively and timing circuit, described detection unit I is for detecting the misfire signals of motor, described processing unit is for receiving described misfire signals and exporting control command to timing circuit, and described timing circuit is used for triggering timing and exports timing end signal to processing unit after timing terminates;
Described electric control pump is connected with described processing unit, and described processing unit controls electric control pump after receiving timing end signal and quits work.
2. motor external circulation cooling system according to claim 1, is characterized in that: described control system also comprises: detection unit II, is connected with described processing unit, for detecting the actuating signal of motor; After processing unit receives actuating signal, control electric control pump start working.
3. motor external circulation cooling system according to claim 2, is characterized in that: described timing circuit timing time T is 6-8min.
4. the motor external circulation cooling system according to the arbitrary claim of claim 1-3, it is characterized in that: described cooling line comprises for the intercooler intake pipe of intercooler cooling water inlet and the intercooler return pipe for intercooler cooling water outlet, also comprise for pressurized machine cooling water inlet volume pressurized machine intake pipe and the pressurized machine return pipe for the water outlet of pressurized machine cooling water, one-body moldedly on described intercooler intake pipe be provided with the pressurized machine intake pipe that the feed-water end for pressurized machine intake pipe is communicated with and be communicated with pipeline section, described intercooler return pipe is provided with the pressurized machine return pipe that the waterexit end for pressurized machine return pipe is communicated with and is communicated with pipeline section.
5. motor external circulation cooling system according to claim 4, is characterized in that: the current that automatic pressure intensifier return pipe connection pipeline section enters intercooler return pipe flow to the center line setting departing from pressurized machine return pipe joint in direction.
6. motor external circulation cooling system according to claim 5, is characterized in that: automatic pressure intensifier return pipe is communicated with current that pipeline section enters intercooler return pipe and flows to tangential along joint pressurized machine return pipe, direction.
7. motor external circulation cooling system according to claim 6, is characterized in that: described pressurized machine intake pipe is communicated with the current approach axis of pipeline section and joint pressurized machine in-pipe flow direction of advance of intaking and becomes 60 ° of angles to arrange.
8. motor external circulation cooling system according to claim 7, is characterized in that: described intercooler intake pipe, intercooler return pipe, pressurized machine intake pipe and pressurized machine return pipe entirety are bend pipe structure, and bending place is for seamlessly transitting structure.
9. motor external circulation cooling system according to claim 8, is characterized in that: the feed-water end pipeline section of described intercooler intake pipe is the bend loss of-70 ° of angles at 45 °, and waterexit end pipeline section is bend loss in 90 °;
The feed-water end pipeline section of described intercooler return pipe is the bend loss of-110 ° in 90 °, and waterexit end pipeline section is straight length.
10. motor external circulation cooling system according to claim 9, is characterized in that: described intercooler intake pipe, intercooler return pipe, pressurized machine intake pipe and pressurized machine return pipe are metal tube.
CN201510884881.2A 2015-12-04 2015-12-04 Engine external circulation cooling system Active CN105386845B (en)

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Application Number Priority Date Filing Date Title
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CN105386845B CN105386845B (en) 2018-05-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100108039A1 (en) * 2008-10-30 2010-05-06 Gm Global Technology Operations, Inc. Intercooler System for Engine Air Charger
CN101737141A (en) * 2009-12-31 2010-06-16 王来立 Electric control cooling system of engine
KR20120063260A (en) * 2010-12-07 2012-06-15 현대자동차주식회사 Apparatus of cooling system for vehicle and controlling method using the same
JP2013238121A (en) * 2012-05-11 2013-11-28 Toyota Motor Corp Engine cooling device
CN103615302A (en) * 2013-12-05 2014-03-05 安徽江淮汽车股份有限公司 Cooling system of engine
CN204344224U (en) * 2014-12-17 2015-05-20 北汽福田汽车股份有限公司 Motor and generator cool cycles assembly thereof and there is the vehicle of this motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100108039A1 (en) * 2008-10-30 2010-05-06 Gm Global Technology Operations, Inc. Intercooler System for Engine Air Charger
CN101737141A (en) * 2009-12-31 2010-06-16 王来立 Electric control cooling system of engine
KR20120063260A (en) * 2010-12-07 2012-06-15 현대자동차주식회사 Apparatus of cooling system for vehicle and controlling method using the same
JP2013238121A (en) * 2012-05-11 2013-11-28 Toyota Motor Corp Engine cooling device
CN103615302A (en) * 2013-12-05 2014-03-05 安徽江淮汽车股份有限公司 Cooling system of engine
CN204344224U (en) * 2014-12-17 2015-05-20 北汽福田汽车股份有限公司 Motor and generator cool cycles assembly thereof and there is the vehicle of this motor

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Address after: No. 7, Wuyun Lake Road, Shapingba District, Chongqing 400038

Patentee after: Celes Group Co.,Ltd.

Address before: 400033 Jinqiao Road, Shapingba District, Chongqing City, No. 61-1

Patentee before: CHONGQING SOKON INDUSTRY GROUP Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230801

Address after: 401220 Mechanical and Electrical Materials Park, Yanjia Industrial Park, Changshou District, Chongqing

Patentee after: Chongqing Xiaokang Power Co.,Ltd.

Address before: No. 7, Wuyun Lake Road, Shapingba District, Chongqing 400038

Patentee before: Celes Group Co.,Ltd.