CN109538365A - Control method, device and the diesel engine of fuel injection advanced angle - Google Patents
Control method, device and the diesel engine of fuel injection advanced angle Download PDFInfo
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- CN109538365A CN109538365A CN201811334318.8A CN201811334318A CN109538365A CN 109538365 A CN109538365 A CN 109538365A CN 201811334318 A CN201811334318 A CN 201811334318A CN 109538365 A CN109538365 A CN 109538365A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The control method of fuel injection advanced angle provided by the invention, device and diesel engine, this method comprises: obtaining the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment, according to the environment temperature obtained in advance, mapping relations between atmospheric pressure and fuel supply advance angle correction value, obtain real time environment temperature and the corresponding real-time fuel supply advance angle correction value of Real-Time Atmospheric pressure, the fuel supply advance angle of diesel engine is modified according to real-time fuel supply advance angle correction value, so as to accurately adjust fuel supply advance angle according to real time environment temperature and Real-Time Atmospheric pressure, improve the running quality of diesel engine.
Description
Technical field
The present invention relates to Diesel Engine Technique Field more particularly to a kind of control methods of fuel injection advanced angle, device
And diesel engine.
Background technique
When fuel injection advanced angle refers to that injection pump starts the fuel feeding into cylinder, top land is away from corresponding to top dead centre
Crank angle.Fuel supply advance angle has critically important influence to the emission performance of diesel engine.
The problems such as fuel supply advance angle is too small, will cause diesel engine fuel oil incomplete combustion, exhaust pipe over-emitting black exhaust, fuel feeding shifts to an earlier date
Angle is excessive, it may appear that the problems such as diesel engine galloping, power decline, therefore it is especially heavy to set suitable fuel supply advance angle
It wants, current common practices is, for different diesel engine gears one different fuel supply advance angle of corresponding setting, using electronics
It controls fuel injection technic and realizes fuel supply advance angle with diesel engine gear adjust automatically, to optimize the burning in cylinder cylinder.
However, the height above sea level of diesel locomotive running environment can usually vary widely under the geographical conditions in China,
Environment atmospheric pressure naturally also can great changes will take place therewith；In addition biggish circumstance of temperature difference variation is also had in two season of summer in winter.It is existing
There is technology that can not solve accurately to control fuel injection advanced angle with the variation of external environment, reduces diesel engine operation matter
Amount.
Summary of the invention
To solve problems of the prior art, the present invention provide a kind of fuel injection advanced angle control method,
Device and diesel engine accurately adjust fuel supply advance angle according to environment temperature and atmospheric pressure to realize, improve the fortune of diesel engine
Row quality.
In a first aspect, the embodiment of the present invention provides a kind of control method of fuel injection advanced angle, comprising:
Obtain the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment；
According to the mapping relations between environment temperature, atmospheric pressure and the fuel supply advance angle correction value obtained in advance, obtain
Take the real time environment temperature and the corresponding real-time fuel supply advance angle correction value of the Real-Time Atmospheric pressure；
The fuel supply advance angle of the diesel engine is modified according to the real-time fuel supply advance angle correction value.
Optionally, between environment temperature, atmospheric pressure and the fuel supply advance angle correction value that the basis obtains in advance
Mapping relations obtain the real time environment temperature and the corresponding real-time fuel supply advance angle correction value of the Real-Time Atmospheric pressure, packet
It includes:
According to the real time environment temperature and the Real-Time Atmospheric pressure, inquiry three-dimensional map obtains the real-time fuel feeding and mentions
Anterior angle correction value, wherein the three-dimensional map is for indicating between environment temperature, atmospheric pressure and fuel supply advance angle correction value
Mapping relations.
Optionally, described that the fuel supply advance angle of the diesel engine is repaired according to the real-time fuel supply advance angle correction value
Just, comprising:
Obtain the current fuel supply advance angle of the diesel engine；
According to the current fuel supply advance angle and the fuel supply advance angle correction value, actual fuel supply advance angle is controlled.
Optionally, the real time environment temperature and Real-Time Atmospheric pressure for obtaining diesel engine current environment is specific to wrap
It includes:
It receives and the real time environment temperature that the temperature sensor of diesel engine local environment is sent is set；
It receives and the Real-Time Atmospheric pressure that the baroceptor of diesel engine local environment is sent is set.
Optionally, the quantity of the temperature sensor is two, and the quantity of the baroceptor is two, the method
Further include:
Judging whether at least one temperature sensor, there are the real time environments that failure or two temperature sensors acquire
Whether the deviation of temperature is greater than preset temperature deviation；
If so, using the standard fixed value of temperature as the real time environment temperature；
Judging whether at least one baroceptor, there are the Real-Time Atmospherics that failure or two baroceptors detect
Whether the deviation of pressure is greater than preset pressure deviation；
If so, using the standard fixed value of air pressure as the Real-Time Atmospheric pressure.
Optionally, the method also includes:
Send the warning note to the temperature sensor；
Send the warning note to the baroceptor.
Second aspect, the embodiment of the present invention provide a kind of control device of fuel injection advanced angle, comprising:
Module is obtained, for obtaining the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment；
The acquisition module is also used to according to environment temperature, atmospheric pressure and the fuel supply advance angle amendment obtained in advance
Mapping relations between value, obtain the real time environment temperature and the corresponding real-time fuel supply advance angle of the Real-Time Atmospheric pressure is repaired
Positive value；
Correction module, for being carried out according to fuel supply advance angle of the real-time fuel supply advance angle correction value to the diesel engine
Amendment.
Optionally, the equipment further includes enquiry module, in which:
The enquiry module, for inquiring three-dimensional map according to the real time environment temperature and the Real-Time Atmospheric pressure
Obtain the real-time fuel supply advance angle correction value, wherein the three-dimensional map is for indicating environment temperature, atmospheric pressure and confession
Mapping relations between advance angle oil correction value.
Optionally, the equipment further includes control module, in which:
The acquisition module is also used to obtain the current fuel supply advance angle of the diesel engine；
Control module, for according to the current fuel supply advance angle and the fuel supply advance angle correction value, control to be practical
Fuel supply advance angle.
Optionally, the equipment further includes receiving module, in which:
The receiving module, the real time environment sent for receiving the temperature sensor being arranged on the diesel engine
Temperature；
Receive the Real-Time Atmospheric pressure that the baroceptor being arranged on the diesel engine is sent.
Optionally, the quantity of the temperature sensor is two, and the equipment further includes judgment module, in which:
The judgment module, for judging whether at least one temperature sensor, there are failure or two temperature sensors
Whether the deviation of the real time environment temperature of acquisition is greater than preset temperature deviation；
If so, using the standard fixed value of temperature as the real time environment temperature.
Optionally, the quantity of the baroceptor is two, and the judgment module is also used to:
Judging whether at least one baroceptor, there are the Real-Time Atmospherics that failure or two baroceptors detect
Whether the deviation of pressure is greater than preset pressure deviation；
If so, using the standard fixed value of air pressure as the Real-Time Atmospheric pressure.
Optionally, the equipment further includes sending module, in which:
The sending module, for sending the warning note to the temperature sensor；
Send the warning note to the baroceptor.
The third aspect, the embodiment of the present invention provide a kind of control equipment, comprising:
Processor；
Memory；And
Computer program；
Wherein, the computer program is stored in the memory, and is configured as being executed by the processor,
The computer program includes the instruction for executing method as described in relation to the first aspect.
Fourth aspect, the embodiment of the present invention provide a kind of computer readable storage medium, the computer-readable storage medium
Matter is stored with computer program, and the computer program to control method described in equipment execution first aspect.
5th aspect, the embodiment of the present invention provide a kind of diesel engine, comprising:
Electrical control oil spray pump；
Control equipment；
Wherein, the control equipment executes first party using control equipment described in the above-mentioned third aspect, the control equipment
The instruction of face the method, controls the operation of the electrical control oil spray pump.
Control method, device and the diesel engine of fuel injection advanced angle provided by the invention are worked as by obtaining diesel engine
The real time environment temperature and Real-Time Atmospheric pressure of preceding local environment, according to environment temperature, atmospheric pressure and the confession obtained in advance
Mapping relations between advance angle oil correction value, obtain real time environment temperature and the corresponding real-time fuel feeding of Real-Time Atmospheric pressure shifts to an earlier date
Angle correction value is modified the fuel supply advance angle of diesel engine according to real-time fuel supply advance angle correction value, to realize according to ring
Border temperature and atmospheric pressure accurately adjust fuel supply advance angle, improve the running quality of diesel engine.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the flow diagram one of the control method of fuel injection advanced angle provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of three-dimensional map provided in an embodiment of the present invention；
Fig. 3 is the flow diagram two of the control method of fuel injection advanced angle provided in an embodiment of the present invention；
Fig. 4 is the flow diagram three of the control method of fuel injection advanced angle provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram one of the control device of fuel injection advanced angle provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram two of the control device of fuel injection advanced angle provided in an embodiment of the present invention；
Fig. 7 is the hardware structural diagram of control equipment provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The control method of fuel injection advanced angle provided in an embodiment of the present invention can be applied to need to control diesel engine
Fuel supply advance angle application scenarios in, be applied especially to the higher scene of the accuracy requirement of fuel injection advanced angle
In.
The embodiment of the present invention proposes a kind of control method of fuel supply advance angle, and control equipment obtains diesel engine and works as in this method
The real time environment temperature and Real-Time Atmospheric pressure of preceding local environment, according to environment temperature, atmospheric pressure and the confession obtained in advance
Mapping relations between advance angle oil correction value, obtain real time environment temperature and the corresponding real-time fuel feeding of Real-Time Atmospheric pressure shifts to an earlier date
Angle correction value is modified the fuel supply advance angle of diesel engine according to real-time fuel supply advance angle correction value, to realize according to reality
When environment temperature and Real-Time Atmospheric pressure accurately adjust fuel supply advance angle, improve the running quality of diesel engine.
Technical solution of the present invention is described in detail with specific embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the flow diagram one of the control method of fuel injection advanced angle provided in an embodiment of the present invention, this hair
Bright embodiment provides a kind of control method of fuel injection advanced angle, and this method can be by the control of fuel injection advanced angle
Device executes, and the control device of the fuel injection advanced angle can pass through software and or hardware realization.In the present embodiment
In, the device of the fuel injection advanced angle can integrate in control equipment.As shown in Figure 1, diesel oil provided in this embodiment
The control method of machine fuel supply advance angle includes the following steps:
S101, the real time environment temperature and Real-Time Atmospheric pressure for obtaining diesel engine current environment.
Controlling equipment can be the equipment in the electronic fuel injection system of diesel engine.
Temperature sensor and baroceptor can be set on diesel engine, temperature sensor is current for detecting diesel engine
The real time environment temperature of local environment, baroceptor are used to detect the Real-Time Atmospheric pressure of diesel engine current environment.
Optionally, the quantity of temperature sensor can be at least one, and the quantity of pressure sensor can be at least one.
In one possible implementation, the real time environment temperature that temperature sensor will test is sent to the control of diesel engine
Control equipment, correspondingly, control equipment receives the real time environment temperature that the temperature sensor of setting on a diesel engine is sent.
Similarly, the Real-Time Atmospheric pressure that pressure sensor will test is sent to the control equipment of diesel engine, correspondingly, control
Equipment receives the pressure sensor diesel engine of setting on a diesel engine and sends Real-Time Atmospheric pressure.
S102, it is closed according to the mapping between environment temperature, atmospheric pressure and the fuel supply advance angle correction value obtained in advance
System obtains real time environment temperature and the corresponding real-time fuel supply advance angle correction value of Real-Time Atmospheric pressure.
It will be understood by those skilled in the art that between the environment temperature, atmospheric pressure and fuel supply advance angle correction value
Mapping relations acquisition can be run under the conditions of laboratory simulation by diesel engine, which can be stored in control and set
In standby.
Optionally, which can be the form of table, then in this table, according to real time environment temperature and in real time
Atmospheric pressure obtains real-time fuel supply advance angle correction value.
Optionally, the mapping relations can be three-dimensional map, the three-dimensional map for indicate environment temperature, atmospheric pressure with
And the mapping relations between fuel supply advance angle correction value.
Fig. 2 is the schematic diagram of three-dimensional map provided in an embodiment of the present invention, as shown in Fig. 2, X-axis corresponds to ambient temperature
(unit: DEG C), Y-axis corresponds to atmospheric pressure (unit: kPa), Z axis corresponds to fuel supply advance angle correction value (unit: ° BTDC), ° BTDC
(Before Top Desd Center, BTDC) corresponding angle of piston before expression top dead centre.
Table 1 be the corresponding data of Fig. 2 three-dimensional map, in conjunction with the data of Fig. 2 and table 1 it is found that adjacent ambient environment temperature and
Fuel supply advance angle correction value between atmospheric pressure is linear, specifically, sensor signal problem in order to prevent, the environment of detection
When temperature or frequent, excessive atmospheric pressure fluctuation, fuel supply advance angle correction value is not beated not instead of at once, according to certain slope
Slowly change.
As shown in Table 1, fuel supply advance angle can be negative.
Table 1
For example, if real time environment temperature be -10 DEG C, Real-Time Atmospheric pressure be 75kPa, then by three-dimensional map it is found that
Corresponding real-time fuel supply advance angle correction value is 2.0 ° of BTDC.
In one possible implementation, it according to real time environment temperature and Real-Time Atmospheric pressure, inquires three-dimensional map and obtains
To real-time fuel supply advance angle correction value.
S103, the fuel supply advance angle of diesel engine is modified according to real-time fuel supply advance angle correction value.
Real-time fuel supply advance angle correction value is then mentioned according to real-time fuel feeding for being modified to the fuel supply advance angle of diesel engine
Anterior angle correction value is modified the fuel supply advance angle of diesel engine, so that the fuel supply advance angle of diesel engine is with ambient temperature
It is adjusted to most preferably with atmospheric pressure, to improve the reliability of diesel engine.
The control method of fuel injection advanced angle provided in an embodiment of the present invention is presently in ring by obtaining diesel engine
The real time environment temperature and Real-Time Atmospheric pressure in border, according to environment temperature, atmospheric pressure and the fuel supply advance angle obtained in advance
Mapping relations between correction value obtain real time environment temperature and the corresponding real-time fuel supply advance angle amendment of Real-Time Atmospheric pressure
Value, is modified the fuel supply advance angle of diesel engine according to real-time fuel supply advance angle correction value, to realize according to environment temperature
Fuel supply advance angle is accurately adjusted with atmospheric pressure, can be improved the reliability of diesel engine, improves the running quality of diesel engine.
Fig. 3 is the flow diagram two of the control method of fuel injection advanced angle provided in an embodiment of the present invention, upper
On the basis of stating embodiment, as shown in figure 3, being shifted to an earlier date according to the real-time fuel supply advance angle correction value to the fuel feeding of the diesel engine
Angle is modified, comprising:
S201, the current fuel supply advance angle of diesel engine is obtained.
In one possible implementation, diesel engine run when, corresponding each fuel supply advance angle can with " when
The form of m- fuel supply advance angle " is stored in control equipment, when needing the fuel supply advance angle to diesel engine to be modified
When, then according to current time, in this table, inquiry obtains the current fuel supply advance angle of the corresponding diesel engine of current time.
S202, according to current fuel supply advance angle and real-time fuel supply advance angle correction value, control actual fuel supply advance angle.
Actual fuel supply advance angle is the fuel supply advance angle controlled according to real time environment temperature and Real-Time Atmospheric pressure,
At real time environment temperature and Real-Time Atmospheric pressure condition, actual fuel supply advance angle can be optimal fuel supply advance angle, can be with
Improve then effect, to reduce the consumption of fuel oil and the discharge of harmful substance.
In one possible implementation, actual fuel supply advance angle can be current fuel supply advance angle plus confession in real time
Advance angle oil correction value, wherein real-time fuel supply advance angle correction value can be positive number or negative.
For example, if fuel supply advance angle correction value is 2.0 ° of BTDC in real time, current fuel supply advance angle is 16.00 °
BTDC, then actual fuel supply advance angle is 18.0 ° of BTDC.
It should be understood that actual fuel supply advance angle is no more than preset threshold, then fuel supply advance angle correction value is also no more than default
Correction value, preset threshold and preset correction value can according to the actual situation or experience setting, this programme are without limitation.
The control method of fuel injection advanced angle provided in this embodiment is shifted to an earlier date by obtaining the current fuel feeding of diesel engine
Angle controls actual fuel supply advance angle according to current fuel supply advance angle and fuel supply advance angle correction value, to realize according to outer
Boundary's environment accurately has adjusted the fuel supply advance angle of diesel engine, improves the running quality of diesel engine.
Fig. 4 is the flow diagram three of the control method of fuel injection advanced angle provided in an embodiment of the present invention, upper
On the basis of stating embodiment, the quantity of temperature sensor is two, as shown in figure 4, Fuel Injection Mechanism of Diesel Engine provided in this embodiment mentions
The control method of anterior angle further includes following steps:
S301, judging whether at least one temperature sensor, there are the real-time rings that failure or two temperature sensors acquire
Whether the deviation of border temperature is greater than preset temperature deviation, if so, executing S302.
Optionally, if the quantity of temperature sensor is two, when control equipment only receives what a temperature sensor was sent
When real time environment temperature, then determine that there are failures for another temperature sensor.
Alternatively, it is inclined to judge whether the deviation for two real time environment temperature that two temperature sensors are sent is greater than preset temperature
Difference, predetermined deviation can according to the actual situation or experience setting, this programme are without limitation.
If so, the step of executing S302, if it is not, then using the average value of two temperature sensors as real time environment temperature
Degree.
S302, using the standard fixed value of temperature as real time environment temperature.
S303, it sends to the warning note of temperature sensor.
If the deviation for the real time environment temperature that at least one temperature sensor is acquired there are failure or two temperature sensors
Greater than preset temperature deviation, then using the standard fixed value of temperature as real time environment temperature, optionally, the standard of temperature is fixed
Value can be 25 DEG C.
Further, the warning note to the two temperature sensors is sent, optionally, to work people in the form of prompt tone
Member sends to warning note so that staff can the timely learning temperature sensor the problem of.
It is to be appreciated that S302 can be executed before S303, can also be executed after S303, this programme does not limit this
System.
Correspondingly, the quantity of pressure sensor is two, the control method of fuel supply advance angle provided in this embodiment is also wrapped
It includes:
Judging whether at least one pressure sensor, there are the Real-Time Atmospheric pressure that failure or two pressure sensors acquire
Deviation whether be greater than default atmospheric pressure deviation.
If so, using the standard fixed value of atmospheric pressure as Real-Time Atmospheric pressure, and send the report to pressure sensor
Alert prompt, optionally, Real-Time Atmospheric pressure are 100kPa.
If it is not, then using the average value of two pressure sensors as Real-Time Atmospheric pressure.
Control the specific implementation process of the specific implementation process of Real-Time Atmospheric pressure and the method for control real time environment temperature
Similar, details are not described herein.
Optionally, if real time environment temperature uses the fixed standard value of temperature, Real-Time Atmospheric pressure is using atmospheric pressure
Fixed standard value is then modified fuel supply advance angle using temperature, the fixed standard value of pressure.
If real time environment temperature uses the fixed standard value of temperature, Real-Time Atmospheric pressure is big using baroceptor acquisition
Atmospheric pressure is then modified fuel supply advance angle using the atmospheric pressure of the fixed standard value of temperature, baroceptor acquisition.
If real time environment temperature uses the environment temperature of temperature sensor acquisition, Real-Time Atmospheric pressure uses the fixation of air pressure
Standard value is then modified fuel supply advance angle using the environment temperature of temperature sensor acquisition, the fixed standard value of air pressure.
If real time environment temperature uses the environment temperature of temperature sensor acquisition, Real-Time Atmospheric pressure uses baroceptor
The atmospheric pressure of acquisition, then the atmospheric pressure acquired using the environment temperature of temperature sensor acquisition, baroceptor is to fuel feeding
Advance angle is modified.
The control method of fuel injection advanced angle provided in this embodiment, by judging whether at least one temperature sensing
There are the deviations for the real time environment temperature that failure or two temperature sensors acquire whether to be greater than preset temperature deviation for device, if so,
Then using the standard fixed value of temperature as real time environment temperature, and the warning note to temperature sensor is sent, so as to
The real time environment temperature of precise control, avoids due to temperature sensor fault, and obtains the fuel supply advance angle amendment of inaccuracy
Value, improves the accuracy of fuel supply advance angle, while improving the running quality of diesel engine.
Fig. 5 is the structural schematic diagram one of the control device of fuel injection advanced angle provided in an embodiment of the present invention, the bavin
The control device of oil machine fuel supply advance angle can be the device being integrated in control equipment, which can pass through software, hardware
Or the mode of software and hardware combining is realized.As shown in figure 5, the control device 50 of the fuel injection advanced angle includes: acquisition mould
Block 501, correction module 502, in which:
Module 501 is obtained, for obtaining the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment；
The acquisition module 501 is also used to be repaired according to the environment temperature, atmospheric pressure and the fuel supply advance angle that obtain in advance
Mapping relations between positive value, obtain the real time environment temperature and the corresponding real-time fuel supply advance angle of the Real-Time Atmospheric pressure
Correction value；
Correction module 502, for the fuel supply advance angle according to the real-time fuel supply advance angle correction value to the diesel engine
It is modified.
Device provided in this embodiment can be used for executing the technical solution of above method embodiment, realization principle and skill
Art effect is similar, and details are not described herein again for the present embodiment.
Fig. 6 is the structural schematic diagram two of the control device of fuel supply advance angle provided in an embodiment of the present invention, as shown in fig. 6,
The control device 50 of fuel supply advance angle further include: enquiry module 503, control module 504, receiving module 505, judgment module 506,
Sending module 507.
The enquiry module 503, for according to the real time environment temperature and the Real-Time Atmospheric pressure, inquiry to be dimensionally
Figure obtains the real-time fuel supply advance angle correction value, wherein the three-dimensional map for indicate environment temperature, atmospheric pressure and
Mapping relations between fuel supply advance angle correction value.
Optionally, the equipment further includes control module 504, in which:
The acquisition module 501, is also used to obtain the current fuel supply advance angle of the diesel engine；
Control module 504, for according to the current fuel supply advance angle and the fuel supply advance angle correction value, control to be practical
Fuel supply advance angle.
Optionally, the equipment further includes receiving module 505, in which:
The receiving module 505, for receiving the described real-time of the temperature sensor being arranged on diesel engine transmission
Environment temperature；
Receive the Real-Time Atmospheric pressure that the pressure sensor being arranged on the diesel engine is sent.
Optionally, the quantity of the temperature sensor is two, and the equipment further includes judgment module 506, in which:
The judgment module 506, for judging whether at least one temperature sensor, there are failure or two temperature sensing
Whether the deviation of the real time environment temperature of device acquisition is greater than preset temperature deviation；
If so, using the standard fixed value of temperature as the real time environment temperature.
Optionally, the quantity of the baroceptor is two, and the judgment module 506 is also used to:
Judging whether at least one baroceptor, there are the Real-Time Atmospherics that failure or two baroceptors detect
Whether the deviation of pressure is greater than preset pressure deviation；
If so, using the standard fixed value of air pressure as the Real-Time Atmospheric pressure.
Optionally, the equipment further includes sending module 507, in which:
The sending module 507 sends the warning note to the temperature sensor；
Send the warning note to the baroceptor.
Device provided in this embodiment can be used for executing the technical solution of above method embodiment, realization principle and skill
Art effect is similar, and details are not described herein again for the present embodiment.
Fig. 7 is the hardware structural diagram of control equipment provided in an embodiment of the present invention, as shown in fig. 7, control equipment 70
It include: processor 701 and memory 702；Wherein:
Memory 702, for storing computer executed instructions；
Processor 701 is set for executing the computer executed instructions of memory storage with realizing to receive in above-described embodiment
Standby performed each step.It specifically may refer to the associated description in preceding method embodiment.
Optionally, memory 702 can also be integrated with processor 701 either independent.
When memory 702 is independently arranged, which further includes bus 703, for connecting the memory
702 and processor 701.
The embodiment of the present invention also provides a kind of computer readable storage medium, and the computer-readable recording medium storage has
Computer program, the computer program make control equipment execute method described in aforementioned any embodiment.
The embodiment of the present invention also provides a kind of diesel engine, comprising: electrical control oil spray pump；
Control equipment；
Wherein, the control equipment executes above-mentioned side using control equipment described in the above-mentioned third aspect, the control equipment
Method instruction, controls the operation of the electrical control oil spray pump.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, apparatus embodiments described above are merely indicative, for example, the division of the module, only
Only a kind of logical function partition, there may be another division manner in actual implementation, for example, multiple modules can combine or
It is desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed it is mutual it
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or module
It connects, can be electrical property, mechanical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in one processing unit
It is that modules physically exist alone, can also be integrated in one unit with two or more modules.Above-mentioned module at
Unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated module realized in the form of software function module, can store and computer-readable deposit at one
In storage media.Above-mentioned software function module is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor (English: processor) execute this Shen
Please each embodiment the method part steps.
It should be understood that above-mentioned processor can be central processing unit (English: Central Processing Unit, letter
Claim: CPU), can also be other general processors, digital signal processor (English: Digital Signal Processor,
Referred to as: DSP), specific integrated circuit (English: Application Specific Integrated Circuit, referred to as:
ASIC) etc..General processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with hair
The step of bright disclosed method, can be embodied directly in hardware processor and execute completion, or with hardware in processor and soft
Part block combiner executes completion.
Memory may include high speed RAM memory, it is also possible to and it further include non-volatile memories NVM, for example, at least one
Magnetic disk storage can also be USB flash disk, mobile hard disk, read-only memory, disk or CD etc..
Bus can be industry standard architecture (Industry Standard Architecture, ISA) bus, outer
Portion's apparatus interconnection (Peripheral Component, PCI) bus or extended industry-standard architecture (Extended
Industry Standard Architecture, EISA) bus etc..Bus can be divided into address bus, data/address bus, control
Bus etc..For convenient for indicating, the bus in illustrations does not limit only a bus or a type of bus.
Above-mentioned storage medium can be by any kind of volatibility or non-volatile memory device or their combination
It realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable
Read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory,
Disk or CD.Storage medium can be any usable medium that general or specialized computer can access.
A kind of illustrative storage medium is coupled to processor, believes to enable a processor to read from the storage medium
Breath, and information can be written to the storage medium.Certainly, storage medium is also possible to the component part of processor.It processor and deposits
Storage media can be located at specific integrated circuit (Application Specific Integrated Circuits, referred to as:
ASIC in).Certainly, pocessor and storage media can also be used as discrete assembly and be present in electronic equipment or main control device.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
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
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, 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 control method of fuel injection advanced angle characterized by comprising
Obtain the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment；
According to the mapping relations between environment temperature, atmospheric pressure and the fuel supply advance angle correction value obtained in advance, institute is obtained
State real time environment temperature and the corresponding real-time fuel supply advance angle correction value of the Real-Time Atmospheric pressure；
The fuel supply advance angle of the diesel engine is modified according to the real-time fuel supply advance angle correction value.
2. the method according to claim 1, wherein the basis obtain in advance environment temperature, atmospheric pressure
And the mapping relations between fuel supply advance angle correction value, it obtains the real time environment temperature and the Real-Time Atmospheric pressure is corresponding
Real-time fuel supply advance angle correction value, comprising:
According to the real time environment temperature and the Real-Time Atmospheric pressure, inquires three-dimensional map and obtain the real-time fuel supply advance angle
Correction value, wherein the three-dimensional map is for indicating reflecting between environment temperature, atmospheric pressure and fuel supply advance angle correction value
Penetrate relationship.
3. the method according to claim 1, wherein it is described according to the real-time fuel supply advance angle correction value to institute
The fuel supply advance angle for stating diesel engine is modified, comprising:
Obtain the current fuel supply advance angle of the diesel engine；
According to the current fuel supply advance angle and the real-time fuel supply advance angle correction value, actual fuel supply advance angle is controlled.
4. the method according to claim 1, wherein the real time environment for obtaining diesel engine current environment
Temperature and Real-Time Atmospheric pressure, comprising:
It receives and the real time environment temperature that the temperature sensor of diesel engine local environment is sent is set；
It receives and the Real-Time Atmospheric pressure that the baroceptor of diesel engine local environment is sent is set.
5. according to the method described in claim 4, it is characterized in that, the quantity of the temperature sensor be two, the air pressure
The quantity of sensor is two, the method also includes:
Judging whether at least one temperature sensor, there are the real time environment temperature that failure or two temperature sensors acquire
Deviation whether be greater than preset temperature deviation；
If so, using the standard fixed value of temperature as the real time environment temperature；
Judging whether at least one baroceptor, there are the Real-Time Atmospheric pressure that failure or two baroceptors detect
Deviation whether be greater than preset pressure deviation；
If so, using the standard fixed value of air pressure as the Real-Time Atmospheric pressure.
6. according to the method described in claim 5, it is characterized in that, the method also includes:
Send the warning note to the temperature sensor；
Send the warning note to the baroceptor.
7. a kind of control device of fuel injection advanced angle characterized by comprising
Module is obtained, for obtaining the real time environment temperature and Real-Time Atmospheric pressure of diesel engine current environment；
The acquisition module, be also used to according to the environment temperature, atmospheric pressure and the fuel supply advance angle correction value that obtain in advance it
Between mapping relations, obtain the real time environment temperature and the corresponding real-time fuel supply advance angle amendment of the Real-Time Atmospheric pressure
Value；
Correction module, for being repaired according to the real-time fuel supply advance angle correction value to the fuel supply advance angle of the diesel engine
Just.
8. a kind of control equipment characterized by comprising
Processor；
Memory；And
Computer program；
Wherein, the computer program is stored in the memory, and is configured as being executed by the processor, described
Computer program includes the instruction for as the method according to claim 1 to 6.
9. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium has computer program, institute
Stating computer program makes control equipment execute as the method according to claim 1 to 6.
10. a kind of diesel engine characterized by comprising
Electrical control oil spray pump；
Control equipment；
Wherein, the control equipment requires 1-6 using control equipment as claimed in claim 8, the control equipment perform claim
The method instruction, controls the operation of the electrical control oil spray pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811334318.8A CN109538365A (en) | 2018-11-09 | 2018-11-09 | Control method, device and the diesel engine of fuel injection advanced angle |
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| CN201811334318.8A CN109538365A (en) | 2018-11-09 | 2018-11-09 | Control method, device and the diesel engine of fuel injection advanced angle |
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Cited By (1)
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