CN110080872A - Engine new fuel oil cooling heat radiation system - Google Patents
Engine new fuel oil cooling heat radiation system Download PDFInfo
- Publication number
- CN110080872A CN110080872A CN201910465453.4A CN201910465453A CN110080872A CN 110080872 A CN110080872 A CN 110080872A CN 201910465453 A CN201910465453 A CN 201910465453A CN 110080872 A CN110080872 A CN 110080872A
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- fuel oil
- fuel
- engine
- cooling
- box
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- 239000000295 fuel oil Substances 0.000 title claims abstract description 171
- 238000001816 cooling Methods 0.000 title claims abstract description 131
- 230000005855 radiation Effects 0.000 title claims abstract description 17
- 239000000446 fuel Substances 0.000 claims abstract description 73
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000002826 coolant Substances 0.000 claims description 31
- 239000003921 oil Substances 0.000 claims description 21
- 239000002828 fuel tank Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000007788 liquid Substances 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010761 intermediate fuel oil Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
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- 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
-
- 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
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
-
- 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
- F01P2003/005—Liquid cooling the liquid being fuel
-
- 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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/31—Cylinder temperature
-
- 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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/40—Oil temperature
-
- 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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/50—Temperature using two or more temperature sensors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
A kind of engine new fuel oil cooling heat radiation system, it include engine, fuel oil box and fuel oil cooling system, fuel oil is mounted in fuel oil box, it is provided with cooling duct on the engine, fuel oil cooling system includes fuel pump, the import of fuel pump is connect with fuel oil box, and the outlet of fuel pump and the entrance of cooling duct connect, and the outlet of cooling duct connect with fuel oil box, is back in fuel oil box for realizing the high temp oil-fired after heat exchange.Pass through said structure design, the present invention is due to using the directly cooling main heating part such as cylinder and cylinder head of the cooling radiating mode of fuel oil, more preferable compared to wind-cooling heat dissipating effect, cylinder temperature is lower, and engine performance is more preferable, longer life expectancy, various aspects of performance can achieve level identical with water-cooled engine, and compared to water-cooled engine, present system constitutes more simple, engine failure can effectively be lowered, mitigate complete vehicle quality.
Description
Technical field
The present embodiments relate to technical field of power equipment, and in particular to a kind of cooling heat dissipation system of engine new fuel oil
System.
Background technique
The prior art is by taking the engine that automobile uses as an example, existing piston type gasoline engine either diesel engine
Radiating mode mainly has wind-cooling heat dissipating, water-cooling and the cold heat dissipation of oil.
It is that the natural wind in being advanced using engine taps into capable cooling to engine direct for wind-cooling heat dissipating mode, hair
A large amount of cooling fin is arranged to absorb the heat of engine in the main heating part outside need of motivation, and cooling fin is contacted with air,
Realize heat dissipation.Since air conduction is poor, therefore wind-cooling heat dissipating mode radiating efficiency is lower, and so as to cause engine, there are easy mistakes
The problems such as heat, the service life is short.Moreover, being limited by engine type, for example in-line four cylinder just seldom uses wind-cooling heat dissipating mode, due in
Between two cylinders cannot effectively radiate, so the air-cooled small displacement low-performance engine for being only suitable for two cylinders or single cylinder.
For water cooling method, need to lay cooling passage around cylinder and cylinder head, in cooling passage
Circulate coolant liquid, and the heat of cylinder and cylinder head is absorbed using coolant liquid.Water-cooling heat radiating system need to be arranged water pump, water tank and
The components such as radiator fan, water pump is directly connected to engine gear or belt transmission, by driven by engine pump operation, by cooling down
Liquid absorbs heat, then realizes the heat dissipation of coolant liquid by radiator fan again.Since water-cooling heat radiating system is more than water cooling system
The components such as water tank, water pump, fan, water pipe, temperature controller compare wind-cooling heat dissipating mode, and water-cooling heat radiating system is at high cost, weight
Weight, structure is complicated, high failure rate.
Radiating mode cold for oil is equipped with the radiator of a similar water cooling vehicle cooling water tank, in-engine
Machine oil reduces temperature by outer circulation, general without being equipped with radiator fan.When cooperating wind-cooling heat dissipating mode, relative to water cooling
For radiating mode, its structure is also relatively easy, since the machine oil of lubrication engine components is directly cooled down, can reduce hair
The failure rate of motivation, oil temperature is low can also to reduce the reduction of machine oil high temperature viscosity, and heat dissipation effect is also preferable.But oil is cold
Radiating mode also suffers from certain drawbacks, such as restricted to the requirement of engine motor oil amount, and oil radiator cannot be excessive, if
Oil radiator is excessive, and machine oil, which can all pour in oil radiator, leads to engine bottom lack of lubrication.
Summary of the invention
In conclusion how to provide, a kind of structure is simple, and the reliable engine of heat dissipation performance becomes those skilled in the art
Member's urgent problem to be solved.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
It include engine and fuel oil box the present invention provides a kind of engine new fuel oil cooling heat radiation system,
The engine is provided with fuel injector, and the fuel oil box is connect with the fuel injector by fuel feed pipe, is used for described
Engine conveys fuel oil.
The present invention is provided with cooling duct on the engine；In addition, the present invention is also provided with a set of fuel oil cooling system
System.
Specifically, the fuel oil cooling system includes that can provide the fuel pump of circulation power, the fuel oil to fuel oil
The import of pump connect with the fuel oil box, is transported in the fuel pump for the low temperature fuel oil in fuel oil box, the combustion
The outlet of oil pump connect with the entrance of the cooling duct, is delivered to the cooling duct for the low temperature fuel oil of fuel pump output
Interior, the outlet of the cooling duct connect with the fuel oil box, it is described to be back to for realizing the high temp oil-fired after heat exchange
In fuel oil box.
Preferably, the invention also includes have control system；The control system includes to be supervised for engine temperature
Survey the first temperature sensor, the controller mould group with signal processing and control function, the controller mould group with it is described
First temperature sensor signal connects, for receiving the monitoring signals generated by first temperature sensor, the controller
Mould group and fuel pump control connection, the operating status for controlling the fuel pump.
Preferably, the control system further includes the second temperature having for being monitored to fuel oil temperature in fuel oil box
Sensor, the second temperature sensor are connect with the controller module signal.
Preferably, the fuel pump passes through cooling inlet tube and connect with the fuel oil box, the cooling duct with it is described
Coolant outlet pipe is provided between fuel oil box；The cooling inlet tube is connected to the bottom wall of the fuel tank.
Preferably, oil-feed port, the fuel feed pipe and the fuel feeding are also provided on the bottom wall of Yu Suoshu fuel oil box
Mouth connection；The fuel oil conveying is preferentially entered in being formed with fuel oil in the fuel oil box and around the oil-feed port
The one end in the fuel feeding area of pipe, the coolant outlet pipe is connect with the outlet of the cooling duct, the coolant outlet pipe it is another
End is inserted into the fuel oil box and is set in the fuel feeding area.
Preferably, the oil-feed port is funnel type structure.
Preferably, the coolant outlet pipe is inserted into one end in the fuel oil box and inserts from the bottom wall of the fuel oil box
Enter and uses elbow structure.
Preferably, the cooling inlet tube is connected to the bottom wall of the fuel oil box, the second temperature sensor setting
In on the bottom wall of the fuel oil box and close to the cooling inlet tube setting.
Preferably, the defoaming device for being defoamed to fuel oil is provided in Yu Suoshu coolant outlet pipe.
The present invention provides a kind of engine new fuel oil cooling heat radiation system, which has specifically included engine
And fuel oil box, fuel oil is mounted in fuel oil box, is provided with cooling duct on the engine.The present invention also provides fuel oils
Cooling system, specifically, fuel oil cooling system include that can provide the fuel pump of circulation power, the import of fuel pump to fuel oil
It connect, be transported in fuel pump for the lower fuel oil of temperature in fuel oil box, the outlet and cooling of fuel pump with fuel oil box
The entrance connection in channel, the low temperature fuel oil exported for fuel pump are delivered in cooling duct, the outlet of cooling duct and fuel oil
Fuel tank connection is back in fuel oil box for realizing the high temp oil-fired after heat exchange.By said structure design, the present invention by
In directly cooling down the main heating part such as cylinder and cylinder head using the cooling radiating mode of fuel oil, compared to wind-cooling heat dissipating effect
More preferably, cylinder temperature is lower, and engine performance is more preferable, and longer life expectancy, various aspects of performance can achieve identical with water-cooled engine
Level, compared to water-cooled engine, present system constitutes more simple, can effectively lower engine failure, mitigate whole
Vehicle quality.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is the structure schematic diagram of engine new fuel oil cooling heat radiation system in the embodiment of the present invention；
In Fig. 1, the corresponding relationship of component names and appended drawing reference are as follows:
Engine 1, fuel oil box 2, fuel injector 3, fuel pump 4, the first temperature sensor 5, the 6, second temperature of controller mould group
Spend sensor 7；
Fuel feeding area a.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the structural representation letter of engine new fuel oil cooling heat radiation system in the embodiment of the present invention
Figure.
The invention belongs to mechanical engineering field, directly applies to and various need liquid cooling heat radiation system and made using liquid
For the engine of fuel, such as automobile engine, motorcycle engine, two stroke engine and four-stroke engine, wherein most main
To be applied to engine lightweight and performance requirement than stronger field, such as refitted car, performance vehicle, baby plane and flight
Device etc..
To those skilled in the art, water cooling method can well to the high-revolving engine of high power into
Effectively temperature controls row, and using the engine of water cooling method, throttle valve can be closed until temperature liter when temperature is low
Height is to reach optimum working temperature, and when temperature is high, throttle valve can be all turned on water tank start-up operation, in fan when the temperature is excessively high
Unlatching cools to engine optimum working temperature.
Water cooling work pattern based on above-mentioned engine, the present invention provides a kind of cooling heat dissipation systems of engine new fuel oil
System, which includes engine 1 and fuel oil box 2.
Engine 1 has engine cylinder body and engine head, and cylinder body and head are main heating part, because
This can open up cooling duct in water-cooled engine system on cylinder body and head, so that coolant liquid is flowing through cooling
When channel, heat can be taken away into realization cooling in time.Engine 1 used in the present invention has continued to use traditional water-cooled hair
The structure of motivation designs, and opens up cooling duct on its cylinder body and head, (cooling in the present invention to be situated between for realizing cooling medium
Matter is fuel oil) circulation.
Engine be provided with fuel injector 3 perhaps oil spout component fuel oil by can be to after fuel injector 3 or oil spout component
1 in-cylinder injection atomized fuel of engine.Fuel oil box 2 is the device that fuel oil is loaded in the present invention, passes through fuel feed pipe
It is connect with fuel injector 3, for conveying fuel oil to engine.
It can be seen from the above, the present invention is provided with cooling duct on engine 1, designed based on the structure, the present invention also mentions
Fuel oil cooling system has been supplied, the cooling to engine 1 can be realized using fuel oil as cooling medium by fuel oil cooling system.
Specifically, fuel oil cooling system includes that can provide fuel oil the fuel pump 4 of circulation power, and fuel pump 4 is energy
Enough to provide the pump class power device of circulation power to fuel oil, in the present invention, fuel pump 4 uses variable speed electronic pump, in this way
The electrodeless adjustment of cooling fuel oil (the lower fuel oil of temperature in fuel oil box 2) conveying capacity may be implemented.It is used in the present invention
Fuel pump 4 is electronic pump, specifically a kind of stepless speed change type pump, according to engine 1 (the mainly cylinder of engine 1) temperature
The temperature of fuel oil temperature (being obtained by second temperature sensor 7) in (being obtained by the first temperature sensor 5) and fuel tank, by
Electronic pump is adjusted in controller mould group, to realize the automatic adjustment of electronics revolution speed, the revolving speed according to electronic pump is adjusted
The flow velocity of room temperature fuel oil in fuel tank, and then the ratio of room temperature fuel oil and the high temp oil-fired in cooling duct is adjusted, to adjust
The bulk temperature of cooling duct intermediate fuel oil is saved, 1 cylinder of engine and Cylinder-Head Temperature are successively adjusted.
After fuel pump 4 is set, by piping connection, the import of fuel pump 4 is connect with fuel oil box 2, is used for fuel oil oil
The lower fuel oil of temperature is transported in fuel pump 4 in case 2, by the connection of the entrance of the outlet of fuel pump 4 and cooling duct, is used to fire
The lower fuel oil of temperature that oil pump 4 conveys is delivered in cooling duct, and the outlet of cooling duct connect with fuel oil box 2, is used for
High temp oil-fired after realizing heat exchange is back in fuel oil box 2.
In said structure design, after engine 1 starts, power is provided by the fuel pump in fuel oil box 2 by fuel pump 4
4 send into the cooling duct of engine, are cooled down by the heat that low temperature fuel oil absorbs engine 1 to engine 1, are become later
The fuel oil of high temperature is back in fuel tank again.
In order to carry out intelligent control to fuel pump 4, the present invention also provides control system, control system has control parameter
Acquisition, Parameter analysis and control instruction generate the function with transmission.Specifically, control system includes for 1 temperature of engine
Spend the first temperature sensor 5 being monitored, the controller mould group 6 with signal processing and control function, controller mould group 6
It is connect with 5 signal of the first temperature sensor, for receiving the monitoring signals generated by the first temperature sensor 5, controller mould group 6
With the control of fuel pump 4 connection, the operating status for controlling fuel pump 4.Controller mould group 6 is industry control grade controller, passes through letter
Number line is attached with the temperature sensor for being able to carry out temperature signal collection, will after obtaining temperature signal by temperature sensor
Temperature signal is sent to controller mould group 6, and controller mould group 6 controls start and stop and the fuel pump 4 of fuel pump 4 according to temperature signal
The speed of service.
In order to improve the control precision of fuel pump 4, in the present invention, control system further includes having for in fuel oil box 2
The second temperature sensor 7 that fuel oil temperature is monitored, second temperature sensor 7 are connect with 6 signal of controller mould group.In this way,
In conjunction with two temperature ginsengs of temperature of the main heating part of temperature and engine 1 (cylinder body and head) of fuel oil in fuel tank
Number, controls fuel pump 4, can achieve the purpose that very high fuel pump 4 controls precision in this way.
Specifically, fuel pump 4 passes through cooling inlet tube and connect with fuel oil box 2, sets between cooling duct and fuel oil box 2
It is equipped with coolant outlet pipe, specifically, cooling inlet tube is connected to the bottom wall of fuel tank.Cooling inlet tube is connect with fuel tank bottom wall, can
Directly to extract the fuel oils of tank bottoms as cooling medium, this design structure is more simplified, and can be avoided cooling import
The appearance of pipe empty pump problem.
Limit herein: in being also provided with oil-feed port on the bottom wall of fuel oil box 2, fuel feed pipe is connect with oil-feed port；In
The fuel feeding area a that fuel oil preferentially enters fuel feed pipe, coolant outlet are formed in fuel oil box 2 and around oil-feed port
The outlet of one end and cooling duct of pipe connects, and the other end of coolant outlet pipe is inserted into fuel oil box 2 and is set to fuel feeding
In area a.
Specifically, oil-feed port is funnel type structure.Coolant outlet pipe is inserted into one end in fuel oil box 2 from fuel oil box
2 bottom wall is inserted into and elbow structure is used to design.
Based on said structure design, temperature is increased after flowing through the heat of the fuel oil absorption engine 1 of engine 1, is then led to
Supercooling outlet is back in fuel oil box 2, and it is elbow structure that one end in fuel oil box 2, which is arranged in, in coolant outlet pipe, and
And be also located in fuel feeding area a, the fuel oil of the high temperature to flow back in this way can preferentially export the burning work for participating in engine 1 from oil-feed port
Industry can reduce the generation of 1 carbon distribution problem of engine since fuel oil temperature is higher.In addition, the high temp oil-fired of reflux is preferentially joined
With burning, the fuel oil temperature influence in fuel oil box 2 is farthest reduced, so that most in fuel oil box 2
Fuel oil keep low-temperature condition.
Specifically, cooling inlet tube is connected to the bottom wall of fuel oil box 2, and second temperature sensor 7 is set to fuel oil box 2
Bottom wall on and close to cooling inlet tube setting.
The present invention is also provided with the defoaming device for being defoamed to fuel oil in coolant outlet pipe, to realize reflux combustion
The defoaming of oil.
Existing water cooling method engine 1 has been used for reference in improvement design of the invention, and its structure design basis it
On, the structures such as engine 1 included water pump, cooling water tank, water tank flow controller, fan, coolant liquid storage tank have been abandoned, have been abandoned simultaneously
Used coolant liquid as cooling medium, but directly using in fuel tank room temperature gasoline or diesel oil as cooling medium, by reasonable
Structure layout design, enable to room temperature gasoline or diesel oil to realize the recycle stream between fuel oil box 2 and engine 1
It is logical, the cooling to engine is realized during the circulation.
In the present invention, the fuel oil in fuel tank is both the effect that fuel oil serves as coolant liquid again, and fuel oil is by a small-sized combustion
Gear or the belt transmission that oil pump replaces conventional engines 1 included can not free each speed regulation water pump, fuel pump, which passes through, to be stretched
Enter cooling inlet tube in fuel tank will be used in cooling duct that the room temperature fuel oil in fuel oil box 2 is delivered on engine 1 it is cold
But the main heating part of engine 1.
Carrying out practically program of the invention is as follows: when engine 1 is in cold-starting state, 1 cylinder of engine at this time
Temperature it is relatively low will lead to that fuel gasification is bad and efficiency of combustion decline, electronic pump stops circulating for fuel oil at this time, with
This exchanges work to stop heat to cooperate being brought rapidly up for engine 1；When engine 1 runs a period of time, cylinder temperature is passed
When sensor (the first temperature sensor 5) detects that cylinder temperature reaches 90 DEG C or so, electronic pump starts tick-over；Work as engine
1 in middling speed or when running at high speed, and the temperature of 1 cylinder of engine is also risen with middling speed or high speed, and electronic pump is also with middling speed at this time
Or rotation is carried out at high speed to guarantee the cooling effect of engine, in the process, the high temperature in room temperature fuel oil and cooling duct fires
Oil is mixed into the cooling fuel oil of moderate temperature, fuel oil reciprocation cycle, and last mixed fuel oil is gone out by electronic pump by cooling
Mouth pipe is drawn back in fuel oil box 2, and is mixed with the room temperature fuel oil in fuel oil box 2, is drawn to the oil spout of engine 1 therewith
It in device 3 or in the oil spout component of engine 1, finally burns in engine 1, so far completes a circulation.
By the design of structure to coolant outlet pipe, enable to high temp oil-fired in coolant outlet pipe can rapidly from
Output can make the temperature of other position fuel oils in fuel oil box 2 protect substantially in this way into fuel feed pipe in fuel oil box 2
Room temperature is held, cooling require is met.
In the present invention, as long as having more than the minimum oil plant for guaranteeing line of fuel oil in fuel tank, and the fuel oil in fuel tank disappears
Fuel oil is rejoined when consuming the minimum guarantee line of fuel oil, cooling cycle can continue, even if there is fuel consumption
It, can also be by 1 low-speed running of engine to the minimum special circumstances for guaranteeing line or less and can not still rushing to nearest gas station of fuel oil
To reduce calorific value, to continue traveling to nearest oiling website.
The present invention is due to using the directly cooling main heating part such as cylinder and cylinder head of the cooling radiating mode of fuel oil, phase
More preferable than in wind-cooling heat dissipating effect, cylinder temperature is lower, and 1 performance of engine is more preferable, and longer life expectancy, various aspects of performance can achieve
Level identical with water-cooled engine, components are only than the small-sized fuel pump and one of wind-cooling heat dissipating mode engine more than 1
A cylinder temperature detector and tank temperature detector can be accomplished and wind-cooling heat dissipating mode engine under the conditions of same displacement
Overall structure weight and cost are almost identical.Due to the cooling radiating mode of fuel oil and the design of water cooling method structure and principle base
This is identical, and without redesigning research and development and substantially reducing without huge water tank, engine weight, oil consumption is substantially reduced, thus
Repacking, design research and development and Parts Purchasing and use cost decline to a great extent.Due to using 50 DEG C of room temperature fuel oils below as cold
But medium and by electric-controlled type variable speed electronic pump carry out heat exchange, compared to existing water cooling method temperature control plus more
It is quick and precisely stable.Since cooling system amount of parts is greatly decreased, thus cooling system failure rate is greatly decreased, same with this
When other engine failure also different degrees of reduction for causing due to cooling system failure.Again since gasoline, diesel is compared to biography
Coolant liquid of uniting has extremely low freezing point and high boiling point, therefore uses the engine 1 of the cooling radiating mode of fuel oil can be each
Kind of High aititude, high temperature, high and cold equal adverse weather conditions use, practicability, versatility and to the adaptability of environment compared to using
The engine 1 of water-cooling heat radiating system greatly improves.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
- It include engine (1) and fuel oil box (2) 1. a kind of engine new fuel oil cooling heat radiation system, it is described to start Machine is provided with fuel injector (3), and the fuel oil box is connect with the fuel injector by fuel feed pipe, is used for the engine Convey fuel oil, which is characterized in thatIn being provided with cooling duct on the engine；It further include having fuel oil cooling system, the fuel oil cooling system includes that can provide the fuel pump of circulation power to fuel oil (4), the import of the fuel pump connect with the fuel oil box, is transported to the fuel oil for the low temperature fuel oil in fuel oil box In pump, the outlet of the fuel pump connect with the entrance of the cooling duct, is delivered to for the low temperature fuel oil of fuel pump output In the cooling duct, the outlet of the cooling duct is connect, for realizing the high temperature combustion after heat exchange with the fuel oil box Oil is back in the fuel oil box.
- 2. engine new fuel oil cooling heat radiation system according to claim 1, which is characterized in thatIt further include having control system；The control system includes the first temperature sensor (5) being monitored for engine temperature, has signal processing And the controller mould group (6) of control function, the controller mould group are connect, with first temperature sensor signal for connecing The monitoring signals generated by first temperature sensor are received, the controller mould group is connected with fuel pump control, is used for Control the operating status of the fuel pump.
- 3. engine new fuel oil cooling heat radiation system according to claim 2, which is characterized in thatThe control system further includes the second temperature sensor (7) having for being monitored to fuel oil temperature in fuel oil box, The second temperature sensor is connect with the controller module signal.
- 4. engine new fuel oil cooling heat radiation system according to claim 3, which is characterized in thatThe fuel pump passes through cooling inlet tube and connect with the fuel oil box, between the cooling duct and the fuel oil box It is provided with coolant outlet pipe；The cooling inlet tube is connected to the bottom wall of the fuel tank.
- 5. engine new fuel oil cooling heat radiation system according to claim 4, which is characterized in thatIn being also provided with oil-feed port on the bottom wall of the fuel oil box, the fuel feed pipe is connect with the oil-feed port；In in the fuel oil box and being located at around the oil-feed port and be formed with fuel oil and preferentially enter the fuel feed pipe The one end in fuel feeding area (a), the coolant outlet pipe is connect with the outlet of the cooling duct, the other end of the coolant outlet pipe It is inserted into the fuel oil box and is set in the fuel feeding area.
- 6. engine new fuel oil cooling heat radiation system according to claim 5, which is characterized in thatThe oil-feed port is funnel type structure.
- 7. engine new fuel oil cooling heat radiation system according to claim 6, which is characterized in thatThe bottom wall of one end from the fuel oil box that the coolant outlet pipe is inserted into the fuel oil box is inserted into and uses curved Header structure.
- 8. engine new fuel oil cooling heat radiation system according to claim 4, which is characterized in thatThe cooling inlet tube is connected to the bottom wall of the fuel oil box, and the second temperature sensor is set to the fuel oil oil On the bottom wall of case and close to the cooling inlet tube setting.
- 9. according to the described in any item engine new fuel oil cooling heat radiation systems of claim 4 to 8, which is characterized in thatIn being provided with the defoaming device for being defoamed to fuel oil in the coolant outlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465453.4A CN110080872A (en) | 2019-05-30 | 2019-05-30 | Engine new fuel oil cooling heat radiation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910465453.4A CN110080872A (en) | 2019-05-30 | 2019-05-30 | Engine new fuel oil cooling heat radiation system |
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| CN110080872A true CN110080872A (en) | 2019-08-02 |
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| CN201910465453.4A Pending CN110080872A (en) | 2019-05-30 | 2019-05-30 | Engine new fuel oil cooling heat radiation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115535268A (en) * | 2022-11-28 | 2022-12-30 | 中国民用航空飞行学院 | Aircraft fuel cooling system based on flight safety guarantee |
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| DE19631981A1 (en) * | 1996-08-08 | 1998-02-12 | Volkswagen Ag | Cooler for closed fuel circuit of vehicle Diesel engine |
| CN201013485Y (en) * | 2006-05-30 | 2008-01-30 | 陈施明 | Diesel engine using diesel oil as coolant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115535268A (en) * | 2022-11-28 | 2022-12-30 | 中国民用航空飞行学院 | Aircraft fuel cooling system based on flight safety guarantee |
| CN115535268B (en) * | 2022-11-28 | 2023-03-14 | 中国民用航空飞行学院 | Aircraft fuel cooling system based on flight safety guarantee |
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