CN108678876A - Fuel oil temperature control system and fuel oil temperature control method - Google Patents
Fuel oil temperature control system and fuel oil temperature control method Download PDFInfo
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- CN108678876A CN108678876A CN201810356723.3A CN201810356723A CN108678876A CN 108678876 A CN108678876 A CN 108678876A CN 201810356723 A CN201810356723 A CN 201810356723A CN 108678876 A CN108678876 A CN 108678876A
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- fuel oil
- oil temperature
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- 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
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- 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
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The present invention provides a kind of fuel oil temperature control system and fuel oil temperature control methods, are related to engine art.A kind of fuel oil temperature control system includes automotive controls, detection device and executive device, according to automotive controls compare actual parameter and setup parameter as a result, control fuel oil temperature so that the actual value of fuel oil temperature maintains within the scope of certain temperature.A kind of fuel oil temperature control method includes default step, detecting step, processing step and fuel oil temperature rate-determining steps, set the upper limit value and lower limiting value of fuel oil temperature, the actual temperature detected and upper limit value, lower limiting value are compared, and regulated and controled according to comparing result, so that actual temperature value is maintained between upper limit value and lower limiting value.Engine fuel oil temperature in the prior art is alleviated to control unstable and lead to the problem that engine efficiency is low, oil consumption is high, discharge is serious.
Description
Technical field
The present invention relates to the technical fields of engine, more particularly, to a kind of fuel oil temperature control system and fuel oil temperature control
Method processed.
Background technology
Requirement with various countries to vehicle oil consumption and discharge is increasingly harsh, and the oil consumption of automobile engine drop, emission reduction are put and had become
The important topic of major engine works.The technologies such as Miller cycle, cooling EGR, VVL, in-cylinder water injection, lean burn are to gasoline supercharging
Machine drops oil consumption and emission reduction and is placed with important role, and analysis, rice are put etc. from technical feasibility, cost and drop oil consumption, emission reduction
It is comparatively ideal selection to strangle cycle and EGR technology, and the combination of two technologies can further decrease engine consumption and emission reduction is put.
These technology basicusing rack thermodynamics development experiments at present, the variable on rack are easier to control, however,
Variable on vehicle changes according to actual condition, including during complete vehicle test, intake air temperature, cooling water temperature, fuel oil temperature
Degree can all change with the variation of engine operating condition, and rack uses advanced technology for vehicle in oil consumption as a result,
It cannot get good income in terms of discharge.
Especially, when outside air temperature is higher or engine is under high load capacity operating mode, fuel oil temperature control is unstable,
Cause engine combustion efficiency relatively low, causes the problem that oil consumption is high, discharge is serious.
Based on problem above, propose that a kind of system that can control fuel oil temperature is particularly important.
The information for being disclosed in the background technology part is merely intended to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Invention content
It is existing to alleviate the purpose of the present invention is to provide a kind of fuel oil temperature control system and fuel oil temperature control method
Engine fuel oil temperature controls unstable and leads to the problem that engine efficiency is low, oil consumption is high, discharge is serious in technology.
In order to solve the above-mentioned technical problem, the technological means that the present invention takes is：
A kind of fuel oil temperature control system provided by the invention, including：
Automotive controls, are arranged the setup parameter about fuel oil wherein, and the setup parameter includes：Fuel oil temperature
The lower limiting value of upper limit value and fuel oil temperature；
Detection device is configured to detect the actual parameter about fuel oil, and the actual parameter includes：The reality of fuel oil temperature
Actual value；And
Executive device is configured to compare the actual parameter and the setup parameter according to the automotive controls
As a result, control fuel oil temperature so that the actual value of fuel oil temperature fuel oil temperature upper limit value and fuel oil temperature lower limiting value it
Between.
As a kind of further technical solution, the executive device includes heat dissipation element and cooling module；
The heat dissipation element is set on the oil circuit between fuel tank and fuel injector, for making the combustion into the fuel injector
Oil cooling；
The cooling module is connected to the heat dissipation element, is used for the heat dissipation element cooling；
The cooling module is connect with the automotive controls.
As a kind of further technical solution, it is provided between the heat dissipation element and the cooling module for being connected to
Or disconnect the valve body of the two；
The valve body is connect with the automotive controls.
As a kind of further technical solution, it is provided between the valve body and the heat dissipation element for detecting cooling
The temperature and pressure transmitter of medium temperature and pressure.
As a kind of further technical solution, the heat dissipation element uses air-cooled radiator, the cooling module to use
Compressor of air conditioner；
Between the outlet end of the compressor of air conditioner and the input end of the air-cooled radiator and the air-cooled radiator
Outlet end and the input end of the compressor of air conditioner between pass through pipeline connection respectively；
The valve body and the temperature and pressure transmitter be arranged at the outlet end of the compressor of air conditioner with it is described air-cooled
On pipeline between the input end of radiator.
As a kind of further technical solution, the detection device uses temperature and pressure transmitter；
The detection device is used to detect the temperature and pressure of fuel oil.
A kind of fuel oil temperature control method provided by the invention, including：
Default step：Setup parameter about fuel oil temperature is set in automotive controls, and the setup parameter includes：
The upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature；
Detecting step：The actual parameter about fuel oil is detected using detection device, the actual parameter includes：Fuel oil temperature
Actual value；
Processing step：The actual parameter that the detection device is detected is transferred to the automotive controls, by
The actual parameter and the setup parameter are carried out intellectual analysis judgement by the automotive controls；And
Fuel oil temperature rate-determining steps：According to the analytical judgment of automotive controls as a result, adjusting fuel oil by executive device
Temperature so that the actual value of fuel oil temperature is between the upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature.
As a kind of further technical solution, the fuel oil temperature rate-determining steps are：
The automotive controls control cooling module starts, and transmits cooling medium to heat dissipation element, makes by described
Fuel oil cooling in heat dissipation element；
Alternatively, the automotive controls control cooling module is stopped, stop transmitting cooling medium to heat dissipation element,
Fuel oil temperature under the heat radiation effect of exhaust pipe or engine increases.
As a kind of further technical solution, when the heat dissipation element uses air-cooled radiator, the cooling module to adopt
When with compressor of air conditioner, the fuel oil temperature rate-determining steps are：
Automotive controls control compressor of air conditioner starts, and application valve body is opened, and the compressor of air conditioner is to institute
Air-cooled radiator transmission cold air is stated, makes to cool down by the fuel oil of the air-cooled radiator；
Alternatively, the automotive controls control valve is closed, the compressor of air conditioner stops to the air-cooled radiator
Cold air is transmitted, fuel oil temperature under the heat radiation effect of exhaust pipe or engine increases.
As a kind of further technical solution, the lower limiting value of the fuel oil temperature is set as T1, the fuel oil temperature
Upper limit value is set as T2, the actual value of the fuel oil temperature is set as T0；
Work as T0＜ T1When, the automotive controls control the valve and close, and the compressor of air conditioner stops to the wind
Cold heat sink transmits cold air, and fuel oil temperature under the heat radiation effect of exhaust pipe or engine increases；
Work as T1＜ T0＜ T2When, the automotive controls control the valve and close, and the compressor of air conditioner stops to institute
Air-cooled radiator transmission cold air is stated, fuel oil temperature under the heat radiation effect of exhaust pipe or engine increases；
Work as T0＞ T2When, the automotive controls control the valve opening, and control the compressor of air conditioner work,
The compressor of air conditioner transmits cold air to the air-cooled radiator, makes to cool down by the fuel oil of the air-cooled radiator.
Compared with prior art, a kind of fuel oil temperature control system and fuel oil temperature control method provided by the invention are had
Some technical advantages are：
A kind of fuel oil temperature control system provided by the invention can effectively solve the problem that vehicle high temperature and the changeable operating mode of high load capacity
Lower then temperature controls unstable problem, and the fuel oil temperature control that vehicle may be implemented keeps basic with rack thermodynamic test
Unanimously, effectively fuel oil temperature is controlled at 25 DEG C or so, (25 ± 2) DEG C, ensures that engine is in optimal combustion state with this,
To improve the efficiency of combustion of engine.
By using above-mentioned technical proposal, the variation tendency of gasoline temperature under transient condition that can be complicated and changeable to vehicle
It is monitored and controls, significant contribution is made to the combustion stability and discharge of EGR engine, effectively control the oil spout of engine
Temperature plays the pinking of engine certain mitigation.
In addition, fuel oil temperature control system provided by the invention is used in conjunction with each other with engine injection system, that is,
A set of cooling system is added on original engine injection system, for the producer of vehicle or mixed motor-car type, can be beaten
It wraps and is produced together to supplier, assembly standard can install according to previous scheme, not influence current continuous productive process, no
It can cause the increase of cost.
A kind of fuel oil temperature control method provided by the invention is based on above-mentioned fuel oil temperature control system, as a result, this method
Control principle be based on above-mentioned fuel oil temperature control system so that technical advantage and effect that this method is reached and above-mentioned fuel oil
The technical advantage and effect that temperature control system is reached are identical, and details are not described herein again.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of schematic diagram of engine system provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of fuel oil temperature control system provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of fuel oil temperature control system provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of injection system provided in an embodiment of the present invention.
Icon：100- automotive controls；200- detection devices；300- executive devices；310- heat dissipation elements；
320- cooling modules；330- valve bodies；400- temperature and pressure transmitters；500- fuel injectors；600- fuel tanks；700- starts
Machine.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Concrete structure is as Figure 1-Figure 4.
A kind of fuel oil temperature control system provided in this embodiment, including automotive controls, are arranged wherein about combustion
The setup parameter of oil, setup parameter include：The upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature；
Detection device is configured to detect the actual parameter about fuel oil, and actual parameter includes：The reality of fuel oil temperature
Value；And
Executive device, be configured to according to automotive controls compare actual parameter and setup parameter as a result, control is fired
Oil temperature so that the actual value of fuel oil temperature is between the upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature.
It should be pointed out that vehicle will appear various working in the process of moving, so as to cause the boundary tune of engine 700
Section becomes more harsh therewith so that the state of each system in actual condition of engine 700, which is difficult to reach engine 700, to exist
Rack carries out thermodynamic (al) calibration situation, with variations such as environment temperature, humidity, air pressures, the performance of engine 700 also therewith by
To influence, the economy of engine 700 is caused to be declined.Influence in view of fuel oil temperature to 700 performance of engine is opposite
It is larger, a kind of fuel oil temperature control system is present embodiments provided as a result, to realize to the accurate of 700 fuel oil temperature of engine
Control makes the temperature be changed in the section to improving 700 better performances of engine, with 700 rack of simulated engine as far as possible
Thermodynamics test condition, it is with this that fuel oil temperature control condition guarantee of engine 700 is almost the same with the condition on rack.
Specifically, in the present embodiment, a set of system for controlling fuel oil temperature of connecting in original injection system, packet
Automotive controls, detection device and executive device are included, according to 700 self-condition of engine, the theory of engine 700 is fired
The upper limit value and lower limiting value of oil temperature are separately positioned in automotive controls, when detection device detects the reality of fuel oil temperature
When value is between the upper limit value and lower limiting value of fuel oil temperature, show that fuel oil temperature is in preferable section, oil spout in this temperature range,
The economic performance of engine 700 is preferable, improves the efficiency of engine 700, and under this state, automotive controls control executive device
It does not work, to maintain fuel oil temperature between upper limit value and lower limiting value；When detection device detects that fuel oil temperature is less than lower limiting value
When, automotive controls control executive device does not work, and will not cool down to fuel oil, due to fuel delivery line and engine
700 either under the nearlyr heat radiation effect in engine 700 or exhaust pipe in exhaust pipe position, and fuel oil temperature can be risen,
To be increased in preferable section or higher；When fuel oil temperature is more than upper limit value, automotive controls control executive device opens
Dynamic, under executive device effect, fuel oil temperature declines, and when dropping between lower limiting value and upper limit value, executive device stops work
Make.
It needs to be expanded on further, when executive device reduces fuel oil temperature, it is preferable that be reduced to fuel oil temperature most preferably
Temperature is lower, and e.g., the lower limiting value of fuel oil temperature is 23 DEG C, and upper limit value is 27 DEG C, and optimum temperature is 25 DEG C, at this point, executing
Fuel oil temperature is reduced between 25 DEG C or 23 DEG C -25 DEG C by device, to ensure that fuel oil temperature will not be fast whithin a period of time
Speed increases to over upper limit value.
In the optional technical solution of the present embodiment, executive device includes heat dissipation element and cooling module；Heat dissipation element is arranged
On oil circuit between fuel tank 600 and fuel injector 500, for making the fuel oil into fuel injector 500 cool down；Cooling module with dissipate
Thermal element is connected to, and is used for heat dissipation element cooling；Cooling module is connect with automotive controls.
In the present embodiment, executive device includes at least heat dissipation element and cooling module, specifically, heat dissipation element and oil spout system
System, which cooperates, to be installed so that when fuel oil passes through heat dissipation element, can realize the effect for reducing oil temperature, it is preferable that heat dissipation member
Oil feed line and cooling line can be set inside part, and when fuel oil passes through oil feed line, coolant liquid or cold air are simultaneously through supercooling
But pipeline reduces at this point, fuel oil and coolant liquid or cold air relative flow, can occur the exchange of heat during this to realize
The effect of oil temperature.Further, the coolant liquid in heat dissipation element or cold air derive from cooling module, in a steady stream by cooling module
Cooling source constantly is provided to heat dissipation element, so that heat dissipation element cools down to fuel oil.
In the optional technical solution of the present embodiment, heat dissipation element uses air-cooled radiator, and cooling module is using air conditioner compressed
Machine；Between the outlet end of compressor of air conditioner and the input end of the air-cooled radiator and outlet end of air-cooled radiator and air-conditioning pressure
Pass through pipeline connection respectively between the input end of contracting machine；Valve body and temperature and pressure transmitter are arranged at the outlet of compressor of air conditioner
On pipeline between end and the input end of air-cooled radiator.
In the optional technical solution of the present embodiment, it is provided between heat dissipation element and cooling module for being connected to or disconnecting
The valve body of the two；Valve body is connect with automotive controls.
Based on above-mentioned elaboration, the cooling module in the present embodiment directly uses compressor of air conditioner, and heat dissipation element uses wind
Cold heat sink, and valve body is also provided between cooling module and heat dissipation element, specially butterfly valve, to control opening for cooling line
It opens or closes.Specifically, when needing to reduce fuel oil temperature, automotive controls application valve body is opened, at the same time, air-conditioning
Compressor start, at this point, compressor of air conditioner continuously supplies cold air to air-cooled radiator, to realize the mesh for reducing oil temperature
's；When that need not reduce oil temperature and need to open interior air-conditioning, closed by automotive controls application valve body, while opening vehicle
Interior air outlet, at this time compressor of air conditioner provide cold air for car, in order to provide comfortable environment for passenger inside the vehicle.
In the optional technical solution of the present embodiment, it is provided between valve body and heat dissipation element for detecting coolant temperature
And the temperature and pressure transmitter of pressure.
In the optional technical solution of the present embodiment, detection device uses temperature and pressure transmitter；Detection device is for detecting
The temperature and pressure of fuel oil.
Temperature sensor may be used in detection device in the present embodiment, for monitoring the temperature of fuel oil in real time, removes this
Except, fuel pressure can also influence 700 performance of engine to a certain extent, and the detection device in the present embodiment may be used also as a result,
To use temperature and pressure transmitter, the temperature and pressure of fuel oil is detected simultaneously, and give testing result real-time Transmission to automobile control
Device processed, to realize the control to fuel oil temperature and pressure.It should be noted that under normal circumstances, fuel oil temperature be maintained at compared with
When in good range, fuel pressure also substantially in preferred range, mainly considers fuel oil temperature to starting as a result, in the present embodiment
The influence of 700 performance of machine, and pressure plays booster action.
A kind of fuel oil temperature control method provided in this embodiment, including default step：It is arranged in automotive controls
About the setup parameter of fuel oil temperature, setup parameter includes：The upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature；
Detecting step：The actual parameter about fuel oil is detected using detection device, actual parameter includes：The reality of fuel oil temperature
Actual value；
Processing step：The actual parameter that detection device is detected is transferred to automotive controls, by automotive controls
Actual parameter and setup parameter are subjected to intellectual analysis judgement；And
Fuel oil temperature rate-determining steps：According to the analytical judgment of automotive controls as a result, adjusting fuel oil by executive device
Temperature so that the actual value of fuel oil temperature is between the upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature.
In the optional technical solution of the present embodiment, fuel oil temperature rate-determining steps are：
Automotive controls control cooling module and start, and transmit cooling medium to heat dissipation element, make by heat dissipation element
Interior fuel oil cooling；
Alternatively, automotive controls control cooling module is stopped, stop transmitting cooling medium, fuel oil to heat dissipation element
Temperature increases under the heat radiation effect of exhaust pipe or engine 700.
In the optional technical solution of the present embodiment, when heat dissipation element uses air-cooled radiator, cooling module to use air-conditioning pressure
When contracting machine, fuel oil temperature rate-determining steps are：
Automotive controls control compressor of air conditioner and start, and application valve body is opened, and compressor of air conditioner is to air-cooled radiator
Cold air is transmitted, makes to cool down by the fuel oil of air-cooled radiator；
Alternatively, automotive controls control valve is closed, compressor of air conditioner stops transmitting cold air, fuel oil to air-cooled radiator
Temperature increases under the heat radiation effect of exhaust pipe or engine 700.
Fuel oil temperature control method in the present embodiment is to be based on above-mentioned fuel oil temperature control system, and detailed process is：First
The lower limiting value and upper limit value of fuel oil temperature are set in automotive controls, then in 700 course of work of engine, by detecting
Device detects fuel oil temperature in real time, and feeds back to automotive controls (ECU), and automotive controls are adjusted in real time by fuel oil temperature
The working condition for saving valve body and compressor of air conditioner, adjusts the heat exchange efficiency of air-cooled radiator, to realize the mesh to cool down to fuel oil
's.
In addition to this, the technical advantage which is reached is reached with above-mentioned fuel oil temperature control system
The technical advantage arrived is identical, no longer illustrates herein.
In the optional technical solution of the present embodiment, the lower limiting value of fuel oil temperature is set as T1, the upper limit value of fuel oil temperature sets
It is set to T2, the actual value of fuel oil temperature is set as T0；
Work as T0＜ T1When, automotive controls control valve is closed, and compressor of air conditioner stops transmitting to air-cooled radiator cold
Gas, fuel oil temperature under the heat radiation effect of exhaust pipe or engine 700 increase；
Work as T1＜ T0＜ T2When, automotive controls control valve is closed, and compressor of air conditioner stops transmitting to air-cooled radiator
Cold air, fuel oil temperature under the heat radiation effect of exhaust pipe or engine 700 increase；
Work as T0＞ T2When, automotive controls control valve open, and control compressor of air conditioner work, compressor of air conditioner to
Air-cooled radiator transmits cold air, makes to cool down by the fuel oil of air-cooled radiator.
It illustrates：
In the present embodiment, according to the actual conditions of engine 700, the lower limiting value of fuel oil temperature is set as T1=23 DEG C,
Upper limit value is set as T1=27 DEG C, best fuel oil temperature is set as 25 DEG C, and the actual value of the fuel oil temperature detected is set as T0；
With the different operating modes of engine 700, when ambient temperature is relatively low so that T0When 23 DEG C of ＜, valve body is closed at this time, air compressor
It is stopped, under the heat radiation effect of engine 700 itself or exhaust pipe, fuel oil temperature can be risen, until increasing
When to more than 27 DEG C (or ambient temperature is higher), at this point, automotive controls application valve body is opened, compressor of air conditioner starts,
Endlessly cold air is input in air-cooled radiator, and fuel oil temperature is made to reduce, when fuel oil temperature is reduced to 25 DEG C or lower
When value (occurrence can be set according to actual conditions), automotive controls application valve body is closed, and compressor of air conditioner is shut down, with
This maintains fuel oil temperature stirring between 23 DEG C -27 DEG C, makes engine 700 in this fuel oil temperature section at comprehensive performance
In best, improve work efficiency with economy etc..
It should be further noted that while controlling fuel oil temperature, detection fuel pressure can also be taken into account, and control
Fuel pressure so that fuel pressure is kept in the reasonable scope.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of fuel oil temperature control system, which is characterized in that including：
Automotive controls (100), are arranged the setup parameter about fuel oil wherein, and the setup parameter includes：Fuel oil temperature
Upper limit value and fuel oil temperature lower limiting value；
Detection device (200) is configured to detect the actual parameter about fuel oil, and the actual parameter includes：Fuel oil temperature
Actual value；And
Executive device (300) is configured to compare the actual parameter and the setting according to the automotive controls (100)
Parameter as a result, control fuel oil temperature so that the actual value of fuel oil temperature is under the upper limit value and fuel oil temperature of fuel oil temperature
Between limit value.
2. fuel oil temperature control system according to claim 1, which is characterized in that the executive device (300) includes dissipating
Thermal element (310) and cooling module (320)；
The heat dissipation element (310) is set on the oil circuit between fuel tank (600) and fuel injector (500), enters institute for making
State the fuel oil cooling of fuel injector (500)；
The cooling module (320) is connected to the heat dissipation element (310), is used for the heat dissipation element (310) cooling；
The cooling module (320) connect with the automotive controls (100).
3. fuel oil temperature control system according to claim 2, which is characterized in that the heat dissipation element (310) with it is described
The valve body (330) for being connected to or disconnecting the two is provided between cooling module (320)；
The valve body (330) connect with the automotive controls (100).
4. fuel oil temperature control system according to claim 3, which is characterized in that the valve body (330) and the heat dissipation
The temperature and pressure transmitter (400) for detecting coolant temperature and pressure is provided between element (310).
5. fuel oil temperature control system according to claim 4, which is characterized in that the heat dissipation element (310) uses wind
Cold heat sink, the cooling module (320) use compressor of air conditioner；
Between the outlet end of the compressor of air conditioner and the input end of the air-cooled radiator and the air-cooled radiator goes out
Pass through pipeline connection respectively between mouth end and the input end of the compressor of air conditioner；
The valve body (330) and the temperature and pressure transmitter (400) are arranged at outlet end and the institute of the compressor of air conditioner
It states on the pipeline between the input end of air-cooled radiator.
6. fuel oil temperature control system according to claim 1, which is characterized in that the detection device (200) is using temperature
Spend pressure sensor；
The detection device (200) is used to detect the temperature and pressure of fuel oil.
7. a kind of fuel oil temperature control method, which is characterized in that including：
Default step：Setup parameter about fuel oil temperature, the setup parameter packet are set in automotive controls (100)
It includes：The upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature；
Detecting step：The actual parameter about fuel oil is detected using detection device (200), the actual parameter includes：Fuel oil temperature
The actual value of degree；
Processing step：The actual parameter that the detection device (200) is detected is transferred to the automotive controls
(100), the actual parameter and the setup parameter are subjected to intellectual analysis judgement by the automotive controls (100)；With
And
Fuel oil temperature rate-determining steps：According to the analytical judgment of automotive controls (100) as a result, being adjusted by executive device (300)
Save fuel oil temperature so that the actual value of fuel oil temperature is between the upper limit value of fuel oil temperature and the lower limiting value of fuel oil temperature.
8. fuel oil temperature control method according to claim 7, which is characterized in that the fuel oil temperature rate-determining steps are：
Automotive controls (100) the control cooling module (320) starts, and transmits cooling medium to heat dissipation element (310),
Make by the fuel oil cooling in the heat dissipation element (310)；
Alternatively, automotive controls (100) the control cooling module (320) is stopped, stop passing to heat dissipation element (310)
Defeated cooling medium, fuel oil temperature under the heat radiation effect of exhaust pipe or engine (700) increase.
9. fuel oil temperature control method according to claim 7, which is characterized in that when the heat dissipation element (310) use
Air-cooled radiator, when the cooling module (320) uses compressor of air conditioner, the fuel oil temperature rate-determining steps are：
Automotive controls (100) the control compressor of air conditioner starts, and application valve body (330) is opened, described air conditioner compressed
Machine transmits cold air to the air-cooled radiator, makes to cool down by the fuel oil of the air-cooled radiator；
Alternatively, automotive controls (100) control valve is closed, the compressor of air conditioner stops to the air-cooled radiator
Cold air is transmitted, fuel oil temperature under the heat radiation effect of exhaust pipe or engine (700) increases.
10. fuel oil temperature control method according to claim 9, which is characterized in that the lower limiting value of the fuel oil temperature is set
It is set to T1, the upper limit value of the fuel oil temperature is set as T2, the actual value of the fuel oil temperature is set as T0；
Work as T0＜ T1When, the automotive controls (100) control the valve and close, and the compressor of air conditioner stops to described
Air-cooled radiator transmits cold air, and fuel oil temperature under the heat radiation effect of exhaust pipe or engine (700) increases；
Work as T1＜ T0＜ T2When, the automotive controls (100) control the valve and close, the compressor of air conditioner stop to
The air-cooled radiator transmits cold air, and fuel oil temperature under the heat radiation effect of exhaust pipe or engine (700) increases；
Work as T0＞ T2When, the automotive controls (100) control the valve opening, and control the compressor of air conditioner work,
The compressor of air conditioner transmits cold air to the air-cooled radiator, makes to cool down by the fuel oil of the air-cooled radiator.
Priority Applications (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842411A (en) * | 1994-08-01 | 1996-02-13 | Nissan Motor Co Ltd | Fuel cooling device for vehicle |
| JP2005030337A (en) * | 2003-07-09 | 2005-02-03 | Hino Motors Ltd | Fuel supply equipment of liquefied-petroleum-gas engine |
| CN105840359A (en) * | 2015-01-29 | 2016-08-10 | 曼卡车和巴士股份公司 | Tempering device for a fuel supply system of a motor vehicle |
| CN105934580A (en) * | 2014-01-22 | 2016-09-07 | 丰田自动车株式会社 | Vehicular fuel cooling device |
| US20170370332A1 (en) * | 2015-01-07 | 2017-12-28 | Carrier Corporation | Fuel cooling system and method |
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2018
- 2018-04-19 CN CN201810356723.3A patent/CN108678876A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842411A (en) * | 1994-08-01 | 1996-02-13 | Nissan Motor Co Ltd | Fuel cooling device for vehicle |
| JP2005030337A (en) * | 2003-07-09 | 2005-02-03 | Hino Motors Ltd | Fuel supply equipment of liquefied-petroleum-gas engine |
| CN105934580A (en) * | 2014-01-22 | 2016-09-07 | 丰田自动车株式会社 | Vehicular fuel cooling device |
| US20170370332A1 (en) * | 2015-01-07 | 2017-12-28 | Carrier Corporation | Fuel cooling system and method |
| CN105840359A (en) * | 2015-01-29 | 2016-08-10 | 曼卡车和巴士股份公司 | Tempering device for a fuel supply system of a motor vehicle |
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