CN108488014A - A kind of fuel oil temperature regulating system - Google Patents
A kind of fuel oil temperature regulating system Download PDFInfo
- Publication number
- CN108488014A CN108488014A CN201810195882.XA CN201810195882A CN108488014A CN 108488014 A CN108488014 A CN 108488014A CN 201810195882 A CN201810195882 A CN 201810195882A CN 108488014 A CN108488014 A CN 108488014A
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- China
- Prior art keywords
- opening
- oil
- temperature
- fuel oil
- fuel
- 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.)
- Pending
Links
Classifications
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
-
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/16—Other apparatus for heating fuel
-
- 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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
- F02M31/205—Control
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a kind of fuel oil temperature regulating systems, by four openings for flexibly controlling control valve, when the fuel oil temperature in oil feed line is less than or equal to the first preset temperature (relatively low), so that the oil return of engine is entered by the first opening and the second opening in oil feed line, it is merged with the fuel oil in oil feed line, the fuel oil temperature after fusion is increased;When the fuel oil temperature in oil feed line is more than or equal to the second preset temperature and is less than third preset temperature (normal), the oil return of engine directly normally returns to fuel tank from the first opening, third opening;When the fuel oil temperature in oil feed line is more than or equal to third preset temperature (higher), the oil return of engine enters radiator with the 4th opening by the first opening and carries out cooling;Pass through and above rationally adjust so that fuel oil temperature be in zone of reasonableness, avoid high oil temperature or it is too low caused by adverse effect.
Description
Technical field
The present invention relates to temperature to adjust field more particularly to a kind of fuel oil temperature regulating system.
Background technology
Truck generally uses diesel oil as fuel, national standard light diesel fuel have No. 10, No. 5, No. 0,-No. 10,-No. 20, -35
Number ,-No. 50, the diesel oil of each label corresponds to corresponding use environment temperature.By taking-No. 10 diesel oil as an example, use environment temperature
It is 4 DEG C Dao -5 DEG C, if environment temperature is lower, must just uses the diesel oil of the lower trade mark, otherwise, with the reduction of temperature,
Diesel oil will appear wax deposition phenomenon, when wax deposition seriously to a certain extent, fuel filter will be blocked, vehicle fuel system can not be sent out
The effect for waving fuel feeding, causes vehicle to be unable to operate normally.
The label of diesel oil is lower, and price is higher, and operating cost is also higher.
The diesel fuel temperature of supply engine should not be too high in fuel system, also should not be too low.Under normal circumstances, low pressure oil way
In best diesel fuel temperature between 10 DEG C to 40 DEG C, diesel oil is more than after 40 DEG C, and with the raising of temperature, engine power has one
Fixed decline;Diesel fuel temperature is too low, then influences the atomizing effect of diesel oil within the engine, cause to burn insufficient, reduces burning
Efficiency increases exhaust emissions.
The prior art:Existing heavy truck is more extensive in the management of fuel system diesel fuel temperature, in summer or temperature
The temperature in very high region, diesel oil can reach very high;For low temperature, generally also only has and carries electrical heating on fuel filter,
When temperature is very low, heating effect is not highly desirable.
Invention content
The object of the present invention is to provide a kind of fuel oil temperature regulating systems, to solve the problems of the prior art, to fuel oil
Temperature is rationally adjusted.
The present invention provides a kind of fuel oil temperature regulating system, the fuel oil temperature regulating system includes:
The first end of oil feed line, the oil feed line is connect with fuel tank, the second end of the oil feed line with start
Machine connects;
Control valve offers the first opening, the second opening, third opening, the 4th opening on the control valve respectively, described
First opening is connect by the first oil return pipe with engine, and second opening is connect with oil feed line;
Oil return line, the first end of the oil return line are connected with third opening, the second end of the oil return line
It is connect with fuel tank;
Radiator, the entrance of the radiator with it is described 4th opening connect, the outlet of the radiator with return
Oil pipe line connects;
When the fuel oil temperature in oil feed line is less than or equal to the first preset temperature, first opening is led with the second opening
Logical, the third opening is closed with the 4th opening;
When the fuel oil temperature in oil feed line is more than or equal to the second preset temperature and when less than third preset temperature, described the
One opening is connected with third opening, and second opening is closed with the 4th opening;
When the fuel oil temperature in oil feed line is more than or equal to third preset temperature, first opening is led with the 4th opening
Logical, second opening is closed with third opening;
First preset temperature is less than the second preset temperature, third preset temperature successively.
Preferably, being provided with the temperature sensing for detecting the fuel oil temperature in oil feed line on the oil feed line
Device.
Preferably, the fuel oil temperature regulating system further includes controller, the control valve, the temperature sensor are equal
It is connect with the controller.
Preferably, the control valve is solenoid valve.
Preferably, the fuel oil temperature regulating system further includes power supply, the power supply connects with controller, solenoid valve respectively
It connects.
Preferably, the fuel oil temperature regulating system further includes fixing bracket, the fixing bracket is arranged in the confession
Between oil pipe line and the oil return line.
Preferably, the radiator includes radiator and connecting tube, the entrance of the radiator is opened with the described 4th
Mouth connection, the outlet of the radiator are connect with connecting tube, and the connecting tube is also connect with oil return line, and connecting tube and oil return
The junction of pipeline is located between the first end and second end of oil return line.
Preferably, the both ends of the oil feed line, the second end of the oil return line, the first oil return pipe and engine
Junction is both provided with pipe joint.
Preferably, first preset temperature, the second preset temperature, third preset temperature are respectively 0 DEG C, 25 DEG C, 40
℃。
Fuel oil temperature regulating system provided by the invention works as oil feed line by flexibly controlling four openings of control valve
In fuel oil temperature when being less than or equal to the first preset temperature (relatively low), the first opening is connected with the second opening, third opening and the
Four openings are closed so that the oil return of engine is entered by the first opening and the second opening in oil feed line, with oil feed line
In fuel oil fusion because the returning-oil temperature of engine is relatively high, the fuel oil temperature after fusion is increased;
When the fuel oil temperature in oil feed line is more than or equal to the second preset temperature and is less than third preset temperature (normal),
First opening is connected with third opening, and second is open closes with the 4th opening, and the oil return of engine is open from the first opening, third
Directly normally return to fuel tank;
When the fuel oil temperature in oil feed line is more than or equal to third preset temperature (higher), the first opening and the 4th opening
Conducting, the second opening are closed with third opening, the oil return of engine by the first opening and the 4th opening enter radiator into
After row cooling, fuel tank is returned, to carry out cooling adjusting to fuel oil temperature;
Pass through and above rationally adjust so that fuel oil temperature is in zone of reasonableness, avoid high oil temperature or it is too low caused by not
Profit influences.
Description of the drawings
Fig. 1 is the structural schematic diagram of fuel oil temperature regulating system provided in an embodiment of the present invention;
Fig. 2 is the working state schematic representation for the fuel oil temperature regulating system that further embodiment of this invention provides;
Fig. 3 is the working state schematic representation for the fuel oil temperature regulating system that further embodiment of this invention provides;
Fig. 4 is the working state schematic representation for the fuel oil temperature regulating system that further embodiment of this invention provides;
Reference sign:
1- fuel tanks, 2- oil feed lines, 3- engines, 4- control valves, 41- first are open, and 42- second is open, 43- thirds
Opening, 44- the 4th are open, 5- oil return lines, 6- radiators, 61- radiators, 62- connecting tubes, 71- controllers, 72- power supplys,
73- temperature sensors, 8- fixing brackets, 9- pipe joints.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figure 1, an embodiment of the present invention provides a kind of fuel oil temperature regulating system, the fuel oil temperature regulating system
Including:
The first end of oil feed line 2, the oil feed line 2 is connect with fuel tank 1, the second end of the oil feed line 2 with
Engine 3 connects;
Control valve 4 offers the first opening 41, second opening 42, third opening the 43, the 4th on the control valve 4 respectively
Opening 44, first opening 41 are connect by the first oil return pipe with engine 3, and second opening 42 connects with oil feed line 2
It connects;
Oil return line 5, the first end of the oil return line 5 and the third opening 43 are connect, and the of the oil return line 5
Two ends are connect with fuel tank 1;
Radiator 6, the entrance of the radiator 6 are connect with the 4th opening 44, the outlet of the radiator 6
It is connect with oil return line 5;
As shown in Fig. 2, when the fuel oil temperature in oil feed line 2 is less than or equal to the first preset temperature, first opening
41 and 42 conducting of the second opening, third opening 43 and 44 closings of the 4th opening;
As shown in figure 3, when the fuel oil temperature in oil feed line 2 is more than or equal to the second preset temperature and less than the default temperature of third
When spending, first opening 41 and 43 conducting of third opening, second opening, 42 and the 4th opening 44 are closed;
As shown in figure 4, when the fuel oil temperature in oil feed line 2 is more than or equal to third preset temperature, first opening
41 and the 4th opening 44 conducting, it is described second opening 42 with third opening 43 close;
First preset temperature is less than the second preset temperature, third preset temperature successively.
Wherein, control valve 4 can also be set up directly on oil return line 5, as long as can limit each road fuel flow
System;And preferably, first preset temperature, the second preset temperature, third preset temperature be traditionally arranged to be 0 DEG C, 25
DEG C, 40 DEG C, more closing to reality situation.
Fuel oil temperature regulating system provided by the invention, by flexibly controlling four openings of control valve 4, as shown in Fig. 2,
When the fuel oil temperature in oil feed line 2 is less than or equal to the first preset temperature (relatively low), the first opening 41 is led with the second opening 42
Logical, third opening 43 and the 4th opening 44 are closed so that the oil return of engine 3 is entered by the first opening 41 and the second opening 42
Into oil feed line 2, merged with the fuel oil in oil feed line 2, because the returning-oil temperature of engine 3 is relatively high, the combustion after fusion
Oil temperature is increased;
As shown in figure 3, when the fuel oil temperature in oil feed line 2 is more than or equal to the second preset temperature and less than the default temperature of third
When spending (normal), the first opening 41 and 43 conducting of third opening, the second opening 42 and the 4th opening 44 are closed, and engine 3 returns
Oil directly normally returns to fuel tank 1 from the first opening 41, third opening 43, i.e., does not do heating to fuel oil or cooling is handled;
As shown in figure 4, when the fuel oil temperature in oil feed line 2 is more than or equal to third preset temperature (higher), first opens
Mouthfuls 41 close with 44 conducting of the 4th opening, the second opening 42 with third opening 43, the oil return of engine 3 by the first opening 41 and
After 4th opening 44 enters the progress cooling of radiator 6, fuel tank 1 is returned, to carry out cooling tune to fuel oil temperature
Section;
Pass through and above rationally adjust so that fuel oil temperature is in zone of reasonableness, avoid high oil temperature or it is too low caused by not
Profit influences.
As shown in Figure 1, preferably, being provided on the oil feed line 2 for detecting the fuel oil temperature in oil feed line 2
Temperature sensor 73.Preferably, the fuel oil temperature regulating system further includes controller 71, the control valve 4, the temperature
Degree sensor 73 is connect with the controller 71.Preferably, the control valve 4 is solenoid valve.Preferably, the fuel oil
Humidity control system further includes power supply 72, and the power supply 72 is connect with controller 71, solenoid valve respectively.
Wherein, it by controller 71 to control valve 4, the unified progress signal acquisition of temperature sensor 73, and flexibly controls,
Temperature sensor 73 is generally located on oil feed line 2 close to one end of engine 3, can more accurately be tested to enter on one side and be started
The fuel oil temperature of machine 3.
As shown in Figure 1, preferably, the fuel oil temperature regulating system further includes fixing bracket 8, the fixing bracket 8
It is arranged between the oil feed line 2 and the oil return line 5.
Preferably, the radiator 6 includes radiator 61 and connecting tube 62, the entrance of the radiator 61 with it is described
4th opening, 44 connection, the outlet of the radiator 61 are connect with connecting tube 62, and the connecting tube 62 also connects with oil return line 5
It connects, and the junction of connecting tube 62 and oil return line 5 is located between the first end and second end of oil return line 5.
Preferably, the both ends of the oil feed line 2, the second end of the oil return line 5, the first oil return pipe and engine
3 junction is both provided with pipe joint 9.
In the embodiment of the present invention, with the above arrangement, tool excellent effect:
It a. can be with the too low caused diesel oil atomization effect of effective solution diesel fuel temperature is poor, burn insufficient, exhaust emissions
The problem of increase;
B. it can effectively solve the problem of that excessively high 3 power of caused diesel engine of diesel fuel temperature declines;
C. it can be reduced due to temperature with effective solution, diesel oil wax deposition causes fuel filter to block, influences engine 3
The problem of normal work;
D. the present invention is used, the influence of fuel oil wax deposition is solved, it can be under identical environment temperature, than not using the present invention
Vehicle thus bring huge economic benefit using the diesel oil of a high trade mark, improve vehicle economical operation type.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (9)
1. a kind of fuel oil temperature regulating system, which is characterized in that the fuel oil temperature regulating system includes:
The first end of oil feed line, the oil feed line is connect with fuel tank, and second end and the engine of the oil feed line connect
It connects;
Control valve, offers the first opening, the second opening, third opening, the 4th opening on the control valve respectively, and described first
Opening is connect by the first oil return pipe with engine, and second opening is connect with oil feed line;
Oil return line, the first end of the oil return line are connected with third opening, the second end of the oil return line and combustion
Fuel tank connects;
Radiator, the entrance of the radiator are connected with the 4th opening, the outlet of the radiator and oil return pipe
Road connects;
When the fuel oil temperature in oil feed line is less than or equal to the first preset temperature, first opening is connected with the second opening,
The third opening is closed with the 4th opening;
When the fuel oil temperature in oil feed line is more than or equal to the second preset temperature and is less than third preset temperature, described first opens
Mouth is connected with third opening, and second opening and the 4th opening are closed;
When the fuel oil temperature in oil feed line is more than or equal to third preset temperature, first opening is connected with the 4th opening,
Second opening is closed with third opening;
First preset temperature is less than the second preset temperature, third preset temperature successively.
2. fuel oil temperature regulating system according to claim 1, which is characterized in that be provided with and be used on the oil feed line
Detect the temperature sensor of the fuel oil temperature in oil feed line.
3. fuel oil temperature regulating system according to claim 2, which is characterized in that the fuel oil temperature regulating system is also wrapped
Controller is included, the control valve, the temperature sensor are connect with the controller.
4. fuel oil temperature regulating system according to claim 1, which is characterized in that the control valve is solenoid valve.
5. fuel oil temperature regulating system according to claim 4, which is characterized in that the fuel oil temperature regulating system is also wrapped
Power supply is included, the power supply is connect with controller, solenoid valve respectively.
6. fuel oil temperature regulating system according to claim 1, which is characterized in that the fuel oil temperature regulating system is also wrapped
Fixing bracket is included, the fixing bracket is arranged between the oil feed line and the oil return line.
7. fuel oil temperature regulating system according to claim 1, which is characterized in that the radiator include radiator with
Connecting tube, the entrance of the radiator are connected with the 4th opening, and the outlet of the radiator is connect with connecting tube, the company
Take over and also connect with oil return line, and the junction of connecting tube and oil return line be located at the first end of oil return line and second end it
Between.
8. fuel oil temperature regulating system according to claim 1, which is characterized in that the both ends of the oil feed line, described
The junction of the second end of oil return line, the first oil return pipe and engine is both provided with pipe joint.
9. fuel oil temperature regulating system according to claim 1, which is characterized in that first preset temperature, second are in advance
If temperature, third preset temperature are respectively 0 DEG C, 25 DEG C, 40 DEG C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810195882.XA CN108488014A (en) | 2018-03-09 | 2018-03-09 | A kind of fuel oil temperature regulating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810195882.XA CN108488014A (en) | 2018-03-09 | 2018-03-09 | A kind of fuel oil temperature regulating system |
Publications (1)
Publication Number | Publication Date |
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CN108488014A true CN108488014A (en) | 2018-09-04 |
Family
ID=63338449
Family Applications (1)
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CN201810195882.XA Pending CN108488014A (en) | 2018-03-09 | 2018-03-09 | A kind of fuel oil temperature regulating system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111486036A (en) * | 2020-03-20 | 2020-08-04 | 潍柴动力股份有限公司 | Engine oil supply system and control method thereof |
Citations (7)
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US5887572A (en) * | 1997-05-05 | 1999-03-30 | Ford Global Technologies, Inc. | Pressure and temperature control for fuel delivery systems |
EP1180595A2 (en) * | 2000-08-16 | 2002-02-20 | Robert Bosch Gmbh | Fuel supply arrangement |
WO2003091565A1 (en) * | 2002-04-26 | 2003-11-06 | Bosch Automotive Systems Corporation | Dme fuel feed device of diesel engine |
CN101353993A (en) * | 2008-08-29 | 2009-01-28 | 缪国甫 | Intelligent heat exchange system of diesel |
CN202746040U (en) * | 2012-07-19 | 2013-02-20 | 中外合资沃得重工(中国)有限公司 | Automatic temperature control type cooling system for diesel engine fuel oil |
DE102014107760A1 (en) * | 2014-06-03 | 2015-12-03 | Oventrop Gmbh & Co. Kg | Connection fitting for filtering liquid media |
CN107237706A (en) * | 2017-07-21 | 2017-10-10 | 东莞市摩码包装材料有限公司 | A kind of fuel system and its control method |
-
2018
- 2018-03-09 CN CN201810195882.XA patent/CN108488014A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5887572A (en) * | 1997-05-05 | 1999-03-30 | Ford Global Technologies, Inc. | Pressure and temperature control for fuel delivery systems |
EP1180595A2 (en) * | 2000-08-16 | 2002-02-20 | Robert Bosch Gmbh | Fuel supply arrangement |
WO2003091565A1 (en) * | 2002-04-26 | 2003-11-06 | Bosch Automotive Systems Corporation | Dme fuel feed device of diesel engine |
CN101353993A (en) * | 2008-08-29 | 2009-01-28 | 缪国甫 | Intelligent heat exchange system of diesel |
CN202746040U (en) * | 2012-07-19 | 2013-02-20 | 中外合资沃得重工(中国)有限公司 | Automatic temperature control type cooling system for diesel engine fuel oil |
DE102014107760A1 (en) * | 2014-06-03 | 2015-12-03 | Oventrop Gmbh & Co. Kg | Connection fitting for filtering liquid media |
CN107237706A (en) * | 2017-07-21 | 2017-10-10 | 东莞市摩码包装材料有限公司 | A kind of fuel system and its control method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111486036A (en) * | 2020-03-20 | 2020-08-04 | 潍柴动力股份有限公司 | Engine oil supply system and control method thereof |
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