CN108223096A - The cooling system of V-type multi-cylinder diesel engine - Google Patents

The cooling system of V-type multi-cylinder diesel engine Download PDF

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Publication number
CN108223096A
CN108223096A CN201810122093.3A CN201810122093A CN108223096A CN 108223096 A CN108223096 A CN 108223096A CN 201810122093 A CN201810122093 A CN 201810122093A CN 108223096 A CN108223096 A CN 108223096A
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CN
China
Prior art keywords
temperature water
charge air
cylinder
air cooler
cylinder block
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
CN201810122093.3A
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Chinese (zh)
Other versions
CN108223096B (en
Inventor
黄第云
沈捷
黄永仲
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.)
Guangxi Yuchai Marine and Genset Power Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
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Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201810122093.3A priority Critical patent/CN108223096B/en
Priority to PCT/CN2018/083190 priority patent/WO2019153494A1/en
Publication of CN108223096A publication Critical patent/CN108223096A/en
Application granted granted Critical
Publication of CN108223096B publication Critical patent/CN108223096B/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
    • F01P3/02—Arrangements for cooling cylinders or cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • 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
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • 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
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0412—Multiple heat exchangers arranged in parallel or in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/12—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10
    • F01M2001/123—Closed-circuit lubricating systems not provided for in groups F01M1/02 - F01M1/10 using two or more pumps
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F01P2005/105—Using two or more pumps
    • 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
    • F01P2060/04—Lubricant cooler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The invention discloses a kind of cooling systems of V-type multi-cylinder diesel engine, the V-type multi-cylinder diesel engine includes V-cylinder block and multiple monomer cylinder head mounted on the cylinder oral area position of V-cylinder block, there is cold water intaking to cover in V-cylinder block and multiple monomer cylinder head, V-type multi-cylinder diesel engine further includes lubricating system, lubricating system includes oil cooler, cooling system includes high temperature water-flow circuit and low temperature water-flow circuit, low temperature water-flow circuit includes heel row radiator and low temperature water pump, low temperature water-flow circuit is used for cooling machine oil cooler, high temperature water-flow circuit includes front-seat radiator and high-temperature water pump, high temperature water-flow circuit is used for cooling down V-cylinder block and multiple monomer cylinder head.The cooling system takes high temperature and low-temperature components classification cooling, can reduce intake air temperature and oil temperature, while reduce heat-energy losses, engine is more fuel-efficient.

Description

The cooling system of V-type multi-cylinder diesel engine
Technical field
The present invention relates to engine cool field, more particularly to a kind of cooling system of V-type multi-cylinder diesel engine.
Background technology
Large-power High-Speed diesel engine is generally used for generator station, petrochemical industry, high speed light crafts and naval vessels etc..Substantially For four-stroke machine, since Large-power High-Speed diesel engine requires have very high single-machine capacity, the requirement of intense loading degree is more general Diesel engine is high, and for external advanced high-speed diesel engine, mean effective pressure is up to 3MPa, and highest detonation pressure is up to 20MPa.The characteristics of high power, large torque are required due to Large-power High-Speed diesel engine, the important critical system to several It is required that it is higher, such as cylinder assembly system, dynamical system, diesel systems, cooling system, lubricating system etc..
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content
The purpose of the present invention is to provide a kind of cooling system of V-type multi-cylinder diesel engine, high temperature and low-temperature components classification are cold But, intake air temperature and oil temperature can be reduced, while reduces heat-energy losses, engine is more fuel-efficient.
To achieve the above object, the present invention provides a kind of cooling system of V-type multi-cylinder diesel engine, the V-type multiple cylinder diesels Machine includes V-cylinder block and multiple monomer cylinder head mounted on the cylinder oral area position of V-cylinder block, V-cylinder block and multiple lists There is cold water intaking to cover, V-type multi-cylinder diesel engine further includes lubricating system, and lubricating system includes oil cooler, cold in body cylinder head But system includes high temperature water-flow circuit and low temperature water-flow circuit, and low temperature water-flow circuit includes heel row radiator and water at low temperature Pump, low temperature water-flow circuit are used for cooling machine oil cooler, and high temperature water-flow circuit includes front-seat radiator and high-temperature water pump, high Warm water circulation circuit is used for cooling down V-cylinder block and multiple monomer cylinder head.
Preferably, V-type multi-cylinder diesel engine further includes gas handling system, gas handling system include left side air inlet pipe, right side air inlet pipe, Left hand booster, right hand booster, left side charge air cooler and right side charge air cooler, left side charge air cooler and right side charge air cooler are separately mounted to Both sides above V-cylinder block rear end, left hand booster and right hand booster correspond to cold in left side charge air cooler and right side The top of device and the top for protruding V-cylinder block, are connected with left side air filter in left hand booster, on right hand booster Right hand side air filter is connected with, after left side air inlet pipe and right side air inlet pipe are connected respectively with left side charge air cooler and right side charge air cooler The both sides upper end position of V-cylinder block is arranged in, low temperature water-flow circuit is cold in left side charge air cooler and right side for cooling down simultaneously Device.
Preferably, low temperature water pump is arranged on position of the front end of V-cylinder block above lubricating oil pump, high-temperature water pump setting In position of the front end of V-cylinder block above diesel oil distributor, low temperature water pump, high-temperature water pump, lubricating oil pump and diesel oil distribution Device is centered around the surrounding of crank pulley, and crank pulley respectively drives low temperature water pump and high-temperature water pump, flow through V-cylinder block and The coolant of multiple monomer cylinder head enters front-seat radiator through outfall sewer, is connected between outfall sewer and front-seat radiator Three thermostats in parallel, thermostat are arranged on the upper right side position of the front end of V-cylinder block, and thermostat passes through radiator tube It is connected with front-seat radiator, radiator tube is arranged in the top of V-cylinder block.
Preferably, low temperature water-flow circuit includes low temperature water dispenser, before low temperature water dispenser is fixed on V-cylinder block Position of the end above the crank pulley, the low-temperature cooling water in low temperature water pump distribute to machine oil cooling through low temperature water dispenser Device and left side charge air cooler and right side charge air cooler.
Preferably, left side charge air cooler and right side charge air cooler are square casing, and the inside of square casing has air stream cavity Body is equipped with cooling liquid flowing channel in the square casing around air circulation cavity, and the front side of square casing is equipped with additional housing, left side Be equipped with middle casing between charge air cooler and right side charge air cooler, the both sides of middle casing respectively with left side charge air cooler and right side charge air cooler The inner side end of additional housing link together, add in housing and middle casing be equipped with it is cold in left side charge air cooler and right side The circulation canal of cooling liquid flowing channel connection inside device, the inlet and outlet of circulation canal are arranged on the front end of middle casing On face, inlet and outlet are connected by water pipe and low temperature water dispenser.
Compared with prior art, the present invention has the advantages that：It is cooled separately using high-low-temperature, low temperature water cooling Oil cooler, high-temperature water cooling cylinder block and cylinder head, which, which belongs to, forces closed cycle water cooling system, this High temperature and low-temperature components classification cooling, can reduce intake air temperature and oil temperature, while reduce heat-energy losses, engine more saves Oil.
Description of the drawings
Fig. 1 is the structure diagram of V-type multi-cylinder diesel engine V-cylinder block according to the present invention；
Fig. 2 is the structure diagram that monomer cylinder head is arranged on V-type multi-cylinder diesel engine V-cylinder block according to the present invention；
Fig. 3 is a kind of complete machine structure figure of V-type multi-cylinder diesel engine according to the present invention；
Fig. 4 is the cooling principle figure of the cooling system of V-type multi-cylinder diesel engine according to the present invention；
Fig. 5 be V-type multi-cylinder diesel engine according to the present invention cooling system in charge air cooler structure chart.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other component parts.
According to a kind of cooling system of V-type multi-cylinder diesel engine of the specific embodiment of the invention, mainly for meeting big work( The cooling required of rate high-speed diesel engine and design.The V-type multi-cylinder diesel engine of the present embodiment has the characteristics that power is high, torque is big, Electronically controlled unit pump technology may be used in the V-type multi-cylinder diesel engine, and injection pressure is big, accurately can dynamically adjust distributive value, ensures bavin Oil machine is atomized in the case of different load, and burning is abundant, and transient state speed governing is good, and load capability is strong, and oil consumption is low.Per cylinder one The design of lid, Intensity of Cylinder Head are high.
The present embodiment is described in detail the cooling system of the present embodiment by taking a kind of 12 cylinder V-diesels as an example：
As shown in Figure 1 to Figure 3, according to a kind of V-type multi-cylinder diesel engine of the specific embodiment of the invention, including V-type cylinder In body 100, multiple monomer cylinder head 200, diesel fuel supply system, gas handling system and lubricating system, the wherein V-cylinder block 100 It is disposed with two row cylinder-bores of multiple V-shaped arrangements, the angle between two row cylinder-bores of the V-cylinder block 100 is 60 degree, two Sleeve 101 corresponding with cylinder holes number, multiple monomer cylinder head are cast on V-cylinder block 100 on the outside of row cylinder-bore respectively 200 is corresponding mounted on the cylinder oral area position of V-cylinder block 100 respectively, and V-cylinder block and multiple monomer cylinder head are interior with cold water intaking Set.Diesel fuel supply system includes multiple electronically controlled unit pumps 14, diesel fuel tanks and oil feed line, and multiple electronically controlled unit pumps 14 correspond to respectively In sleeve 101, multiple electronically controlled unit pump 14 is respectively intended to control to injection diesel oil, diesel fuel tanks and oil feed line per cylinder Connection, oil feed line include left side oil pipe and right side oil pipe, and left side oil pipe and right side oil pipe pass through vertical high-pressure oil pipe respectively It is correspondingly connected with multiple electronically controlled unit pumps.Lubricating system includes oil sump, pre- oil feed pump 7, lubricating oil pump 5, oil filter 2 and machine Oil cooler 1, oil sump are located at the bottom of V-cylinder block 100, and pre- oil feed pump 7 is located at the front side of oil sump, and lubricating oil pump 5 is located at V The front end lower left position of shape cylinder block 100, oil filter 2 and oil cooler 1 are each provided at the front end of V-cylinder block 100 Upper left side position.
As shown in Figure 3 and Figure 4, the cooling system of the V-type multi-cylinder diesel engine of the present embodiment, including high temperature water-flow circuit and Low temperature water-flow circuit, low temperature water-flow circuit include heel row radiator and low temperature water pump 4, and low temperature water-flow circuit is used for cooling down Oil cooler 1, high temperature water-flow circuit include front-seat radiator and high-temperature water pump 9, and high temperature water-flow circuit is used for cooling down V-arrangement Cylinder block 100 and multiple monomer cylinder head.
As shown in figure 3, the V-type multi-cylinder diesel engine of the present embodiment further includes gas handling system, to the air inlet into appearance in Fig. 3 Pipe, booster, charge air cooler, air cleaner and exhaust pipe carry out local mark.Gas handling system includes left side air inlet pipe, right side Air inlet pipe 15, left hand booster, right hand booster 18, left side charge air cooler and right side charge air cooler 16, in left side charge air cooler and right side Cooler 16 is separately mounted to the both sides above 100 rear end of V-cylinder block, specifically, left side charge air cooler and right side charge air cooler 16 Downside is equipped with stent 506, left side charge air cooler and right side charge air cooler 16 and is fixed on above 100 rear end of V-cylinder block by stent 506 Both sides, left hand booster and right hand booster 18 correspond to the top mounted on left side charge air cooler and right side charge air cooler 16 and convex Go out the top of V-cylinder block 100, left side air filter is connected in left hand booster, the right side is connected on right hand booster 18 Cloth after side air cleaner 17, left side air inlet pipe and right side air inlet pipe 15 are connected respectively with left side charge air cooler and right side charge air cooler 16 Put the both sides upper end position in V-cylinder block 100.In addition, left hand booster is equipped with whirlpool heel row tracheae 19, right hand booster 18 On also be provided with whirlpool heel row tracheae.In fact, the cooling system of the V-type multi-cylinder diesel engine further includes corresponding exhaust system, exhaust System includes exhaust pipe 21 (left and right two), and exhaust pipe 21 (left and right two) is corresponding to be connected with left hand booster and right hand booster It connects, exhaust pipe 21 (left and right two) is arranged in the crown center position of V-cylinder block 100.The cooling system of the present embodiment it is low Warm water circulation circuit is used for cooling down left side charge air cooler and right side charge air cooler simultaneously.
As a kind of preferred embodiment, as shown in figure 3, low temperature water pump 4 is arranged on the front end of V-cylinder block 100 close to machine The position of 5 top of oil pump, high-temperature water pump 9 are arranged on the front end of V-cylinder block 100, and high-temperature water pump 9 and low temperature water pump 4 are located respectively In the top both sides of crank pulley, low temperature water pump 4, high-temperature water pump 9, lubricating oil pump 5 and oil transfer pump 8 are centered around crank pulley Surrounding (sets silica gel shock-absorption device 6) on crank pulley, crank pulley respectively drives low temperature water pump 4 and high-temperature water pump 9, flows through The coolant of V-cylinder block 100 and multiple monomer cylinder head 200 enters front-seat radiator 242 through outfall sewer, outfall sewer and Thermostat 23 in parallel there are three connections, thermostat 23 to be arranged on the front end of V-cylinder block 100 between front-seat radiator 242 Upper right side position, thermostat 23 are connected by radiator tube 20 with front-seat radiator 242, and radiator tube 20 is arranged in V-arrangement The top of cylinder block 100.
As shown in figure 3, as a kind of preferred embodiment, low temperature water-flow circuit includes low temperature water dispenser 3, low temperature moisture Orchestration 3 is fixed on position of the front end of V-cylinder block 100 above crank pulley, the purpose of setting low temperature water dispenser 3 Be exactly, low temperature water-flow circuit can simultaneously cooling machine oil cooler 1 and two charge air coolers.So far, as shown in figure 4, this implementation What example proposed is cooled separately using high-low-temperature, two charge air coolers of low temperature water cooling and oil cooler 1, high-temperature water cooling cylinder Body and cylinder head, which, which belongs to, forces closed cycle water cooling system, and coolant should use antifreeze, rust coolant liquid. It is cooled separately using high and low temperature water, low temperature water cooling two charge air coolers, oil cooler, high-temperature water cooling cylinder block and cylinder Lid, for the control of high-temperature water leaving water temperature at 75~95 DEG C, oil temperature control is convenient at 80~110 DEG C.In the system, water pump and Fan, radiator, oil cooler are the critical pieces of cooling system.When engine is run, a left side is passed through by crankshaft timing gear Right idle gear respectively drives high/low temperature water pump, drives water pump vane rotation, and coolant generates certain under the effect of water pump centrifugal force Pressure, from pump outlet flow out.The coolant that high-temperature water pump extrudes enters the cooling jacket of cylinder block, cylinder head, cooling Liquid, to outfall sewer, flows into radiator after cooling cylinder block, cylinder head after thermostat.Thermostat is mounted in water outlet tube end, Thermostat A.T.C function, when coolant temperature is more than 75 DEG C, thermostat is opened, when coolant temperature is more than 85 DEG C When, thermostat standard-sized sheet, coolant fully enters radiator at this time, then flows back into water pump.If coolant temperature is less than 75 DEG C, without It is cooled down through radiator heat-dissipation and is flowed directly to water pump and walks cooling cycle again.Low temperature water pump then cools down two charge air coolers and machine oil is cold But device is then return to radiator and radiates.This high temperature and low-temperature components classification cooling, can reduce intake air temperature and machine oil temperature Degree, while heat-energy losses are reduced, engine is more fuel-efficient.
As shown in figure 5, as a kind of preferred embodiment, the present embodiment proposes a kind of specific intercooler structure, in left side Cooler and right side charge air cooler are square casing 501, and the inside of square casing 501 has air circulation cavity, air circulation cavity Around square casing in be equipped with cooling liquid flowing channel, the front side of square casing 501 is equipped with additional housing 502, left side charge air cooler and Be equipped with middle casing 503 between the charge air cooler of right side, the both sides of middle casing 503 respectively with left side charge air cooler and right side charge air cooler The inner side end of additional housing 502 links together, add in housing 502 and middle casing 503 be equipped with left side charge air cooler and The circulation canal of cooling liquid flowing channel connection inside the charge air cooler of right side, the water inlet 504 and water outlet 505 of circulation canal are arranged on On the front end face of middle casing 503, water inlet 504 and water outlet 505 are connected by water pipe and low temperature water dispenser, and then are realized In low temperature water pump 4 low-temperature cooling water through low temperature water dispenser 3 distribute to oil cooler 1 and left side charge air cooler with it is cold in right side Device 16.In addition, air inlet flange 507 has been extended upward on the madial wall of square casing 501, the outside of square casing 501 Air outlet flange 508 is extended anteriorly out on wall, left hand booster and right hand booster 18, which correspond to, is mounted on left side charge air cooler With the top of right side charge air cooler 16, air inlet flange 507 is convenient to be connect with the air inlet of booster, left side air inlet pipe and right side Air inlet pipe 15 is arranged in after being connected respectively with the air outlet flange 508 on the lateral wall of left side charge air cooler and right side charge air cooler 16 The both sides of V-cylinder block 100.
To sum up, the cooling system of the V-type multi-cylinder diesel engine of the present embodiment, is cooled separately using high-low-temperature, such high temperature Classify with low-temperature components and cool down, intake air temperature and oil temperature can be reduced, while reduce heat-energy losses, engine is more fuel-efficient, full The cooling requirement of sufficient Large-power High-Speed diesel engine high power, large torque.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the specific principle of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementations and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of cooling system of V-type multi-cylinder diesel engine, which includes V-cylinder block and mounted on the V-arrangement There is cold take in multiple monomer cylinder head of the cylinder oral area position of cylinder block, the V-cylinder block and the multiple monomer cylinder head Water jacket, the V-type multi-cylinder diesel engine further include lubricating system, and the lubricating system includes oil cooler, which is characterized in that institute It states cooling system and includes high temperature water-flow circuit and low temperature water-flow circuit, the low temperature water-flow circuit includes heel row radiator And low temperature water pump, the low temperature water-flow circuit is used for cooling down the oil cooler, before the high temperature water-flow circuit includes Radiator and high-temperature water pump are arranged, the high temperature water-flow circuit is used for cooling down the V-cylinder block and the multiple monomer cylinder Lid.
2. the cooling system of V-type multi-cylinder diesel engine according to claim 1, which is characterized in that the V-type multi-cylinder diesel engine Gas handling system is further included, the gas handling system includes left side air inlet pipe, right side air inlet pipe, left hand booster, right hand booster, a left side After side charge air cooler and right side charge air cooler, the left side charge air cooler and the right side charge air cooler are separately mounted to the V-cylinder block The both sides of top are held, the left hand booster and the right hand booster, which correspond to, is mounted on the left side charge air cooler and the right side The top of charge air cooler and the top for protruding the V-cylinder block are connected with left side air filter in the left hand booster, Be connected with right hand side air filter on the right hand booster, the left side air inlet pipe and the right side air inlet pipe respectively with it is described Left side charge air cooler is arranged in the both sides upper end position of the V-cylinder block, the water at low temperature after being connected with the right side charge air cooler Circulation loop is used for cooling down the left side charge air cooler and the right side charge air cooler simultaneously.
3. the cooling system of V-type multi-cylinder diesel engine according to claim 2, which is characterized in that the low temperature water pump setting In position of the front end of the V-cylinder block above the lubricating oil pump, the high-temperature water pump is arranged on the V-cylinder block Position of the front end above the diesel oil distributor, the low temperature water pump, the high-temperature water pump, the lubricating oil pump and described Diesel oil distributor is centered around the surrounding of crank pulley, and the crank pulley respectively drives the low temperature water pump and the high temperature Water pump, the coolant for flowing through the V-cylinder block and the multiple monomer cylinder head enter the front-seat heat dissipation through outfall sewer Device, thermostat in parallel there are three connections, the thermostat to be arranged on institute between the outfall sewer and the front-seat radiator The upper right side position of the front end of V-cylinder block is stated, the thermostat is connected by radiator tube with the front-seat radiator, institute State the top that radiator tube is arranged in the V-cylinder block.
4. the cooling system of V-type multi-cylinder diesel engine according to claim 3, which is characterized in that the water at low temperature is recycled back to Road includes low temperature water dispenser, and the low temperature water dispenser is fixed on the front end of the V-cylinder block close to the crankshaft pulley The position of top is taken turns, the low-temperature cooling water in the low temperature water pump distributes to the oil cooler through the low temperature water dispenser With the left side charge air cooler and the right side charge air cooler.
5. the cooling system of V-type multi-cylinder diesel engine according to claim 4, which is characterized in that the left side charge air cooler and The right side charge air cooler is square casing, and the inside of the square casing has air circulation cavity, the air circulation cavity Cooling liquid flowing channel is equipped in the square casing of surrounding, the front side of the square casing is equipped with additional housing, the left side charge air cooler Be equipped with middle casing between the right side charge air cooler, the both sides of the middle casing respectively with the left side charge air cooler and described The inner side end of the additional housing of right side charge air cooler links together, and is equipped with and institute in the additional housing and the middle casing State the circulation canal that left side charge air cooler is connected with the cooling liquid flowing channel inside the right side charge air cooler, the water inlet of the circulation canal Mouthful and water outlet be arranged on the front end face of the middle casing, the water inlet and the water outlet by water pipe with it is described low Warm water dispenser is connected.
CN201810122093.3A 2018-02-07 2018-02-07 Cooling system of V-shaped multi-cylinder diesel engine Active CN108223096B (en)

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CN201810122093.3A CN108223096B (en) 2018-02-07 2018-02-07 Cooling system of V-shaped multi-cylinder diesel engine
PCT/CN2018/083190 WO2019153494A1 (en) 2018-02-07 2018-04-16 Cooling system for v-type multi-cylinder diesel engine

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110159466A (en) * 2019-07-03 2019-08-23 广西玉柴机器股份有限公司 The gas handling system of V-type multi-cylinder diesel engine
CN112682164A (en) * 2020-12-22 2021-04-20 中国北方发动机研究所(天津) Integrated intercooler of diesel engine
CN113389668A (en) * 2021-07-30 2021-09-14 广西玉柴机器股份有限公司 Semi-coke engine air inlet system
CN113738487A (en) * 2021-09-10 2021-12-03 潍柴动力股份有限公司 Engine advances exhaust system and has its vehicle
CN115059536A (en) * 2022-05-26 2022-09-16 中国第一汽车股份有限公司 Intelligent control cooling system and control method suitable for V-type engine with cylinder deactivation function
CN115234365A (en) * 2022-08-02 2022-10-25 中船动力研究院有限公司 High-speed engine for ship
CN115234367A (en) * 2022-08-30 2022-10-25 广西玉柴机器股份有限公司 Light diesel engine system architecture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439657A (en) * 1966-03-02 1969-04-22 Jean Louis Gratzmuller Cooling devices for supercharged internal combustion engines
US20090007857A1 (en) * 2004-05-15 2009-01-08 Dierk Esau Cooling system for a vehicle
CN106224094A (en) * 2016-08-31 2016-12-14 河北华北柴油机有限责任公司 12 cylinder water-cooled Diesel engines
CN207829980U (en) * 2018-02-07 2018-09-07 广西玉柴机器股份有限公司 The cooling system of V-type multi-cylinder diesel engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA701750B (en) * 1969-03-25 1971-03-31 Caterpillar Tractor Co Dual cooling system for engines
JPH11257075A (en) * 1998-03-17 1999-09-21 Yanmar Diesel Engine Co Ltd Cooling device for internal combustion engine
AT513053B1 (en) * 2012-06-26 2014-03-15 Avl List Gmbh Internal combustion engine, in particular large diesel engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439657A (en) * 1966-03-02 1969-04-22 Jean Louis Gratzmuller Cooling devices for supercharged internal combustion engines
US20090007857A1 (en) * 2004-05-15 2009-01-08 Dierk Esau Cooling system for a vehicle
CN106224094A (en) * 2016-08-31 2016-12-14 河北华北柴油机有限责任公司 12 cylinder water-cooled Diesel engines
CN207829980U (en) * 2018-02-07 2018-09-07 广西玉柴机器股份有限公司 The cooling system of V-type multi-cylinder diesel engine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110159466A (en) * 2019-07-03 2019-08-23 广西玉柴机器股份有限公司 The gas handling system of V-type multi-cylinder diesel engine
CN112682164A (en) * 2020-12-22 2021-04-20 中国北方发动机研究所(天津) Integrated intercooler of diesel engine
CN113389668A (en) * 2021-07-30 2021-09-14 广西玉柴机器股份有限公司 Semi-coke engine air inlet system
CN113738487A (en) * 2021-09-10 2021-12-03 潍柴动力股份有限公司 Engine advances exhaust system and has its vehicle
CN113738487B (en) * 2021-09-10 2022-09-23 潍柴动力股份有限公司 Engine advances exhaust system and has its vehicle
CN115059536A (en) * 2022-05-26 2022-09-16 中国第一汽车股份有限公司 Intelligent control cooling system and control method suitable for V-type engine with cylinder deactivation function
CN115059536B (en) * 2022-05-26 2024-03-01 中国第一汽车股份有限公司 Intelligent control cooling system and control method for V-shaped engine
CN115234365A (en) * 2022-08-02 2022-10-25 中船动力研究院有限公司 High-speed engine for ship
CN115234365B (en) * 2022-08-02 2024-05-14 中船动力研究院有限公司 Marine high-speed engine
CN115234367A (en) * 2022-08-30 2022-10-25 广西玉柴机器股份有限公司 Light diesel engine system architecture

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