CN105822446B - A kind of fuel control system applied to diesel cetane-number measuring machine - Google Patents
A kind of fuel control system applied to diesel cetane-number measuring machine Download PDFInfo
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- CN105822446B CN105822446B CN201610328691.7A CN201610328691A CN105822446B CN 105822446 B CN105822446 B CN 105822446B CN 201610328691 A CN201610328691 A CN 201610328691A CN 105822446 B CN105822446 B CN 105822446B
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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
-
- 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
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
-
- 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
- F02D41/3082—Control of electrical fuel pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
A kind of fuel control system of diesel cetane-number measuring machine, including：Signal formation component generates injection time point signal；Fuel nozzle assembly is provided with oil spout sensor, and oil spout actuating signal is detected in fuel-injected moment；Controller is connect by signal wire with signal formation component and oil spout sensor, and injection time point signal and oil spout actuating signal are received；Flow automatic detector is connect with controller by signal wire, controls the amount of fuel passed through；Electronic controlled fuel pumps, and is connect with controller by signal wire, and by controller according to injection time point signal and the control electronic controlled fuel pump action of oil spout actuating signal, the fuel delivery inputted by flow automatic detector to fuel nozzle assembly is sprayed into combustion chamber.The present invention can be accurately controlled the distributive value and injection time point of fuel oil, and operation difficulty and workload is greatly reduced, and shorten minute, effectively improve the stability of machine and the precision of determination sample.
Description
Technical field
The present invention relates to a kind of fuel control system, in particular to a kind of fuel oils applied to diesel cetane-number measuring machine
Control system, realization injection time point and distributive value automatically controlling or manually controlling.
Background technology
In the prior art, the fuel oil control of diesel cetane-number measuring machine is by mechanical, hand-driven adjusting control.Due to
General complicated in mechanical structure, adjusting control difficulty is big, and operating personnel is needed to have abundant experience.Simultaneously for maintenance and dimension
It cultivates, there is also certain difficulty.Therefore the diesel cetane-number measuring machine of fuel oil control is carried out using this structure, machine reaches
Time to necessary requirement operating mode is long, heavy workload, while influencing the stability of machine and the precision of determination sample.
Invention content
The purpose of the present invention is to provide a kind of fuel control systems of diesel cetane-number measuring machine, can accurately control
Operation difficulty and workload is greatly reduced in distributive value and the injection time point of fuel oil processed, shortens minute, effectively improves machine
Stability and determination sample precision.
In order to achieve the above object, the invention is realized by the following technical scheme：A kind of diesel cetane-number measuring machine
Fuel control system, including：Signal formation component is fixed on the engine body of diesel cetane-number measuring machine, is used
In generation injection time point signal；Fuel nozzle assembly is fixed at the cylinder of diesel cetane-number measuring machine
It covers, an oil spout sensor is provided on the fuel nozzle assembly, the oil spout sensor is in fuel nozzle assembly fuel-injected
Moment detects oil spout actuating signal；Controller is connected by signal wire and the signal formation component and oil spout sensor
It connects, receives injection time point signal and oil spout actuating signal；Flow automatic detector passes through signal wire and the controller
Connection, the amount of fuel that flow automatic detector is passed through by controller control；Electronic controlled fuel pumps, and passes through signal wire and the control
Device connection processed, is connect by fuel pipe with the flow automatic detector, and pass through high-pressure oil pipe and the fuel nozzle
Assembly connects, and by controller according to injection time point signal and the control electronic controlled fuel pump action of oil spout actuating signal, will pass through combustion
The fuel oil of oil pipe input is transmitted to fuel nozzle assembly by high-pressure oil pipe, and sprays into combustion chamber by fuel nozzle assembly.
Opening angle, spray configuration and injection pressure when the fuel nozzle assembly control fuel oil sprays.
The controller integrates the controller of ECU using CAN.
The fuel control system applied to diesel cetane-number measuring machine includes also industrial computer, passes through CAN
Bus is connect with the controller, the injection time point signal and oil spout actuating signal that real-time display is received by controller,
Realization automatically controls distributive value and injection time point.
The industrial computer, controller and flow automatic detector are installed in the control of diesel cetane-number measuring machine
On platform.
Be further fixedly arranged on a fuel-air packet on the described electronic controlled fuel pump, by fuel pipe and the flow from
Dynamic detector connection, the fuel oil after the detection of inflow-rate of water turbine automatic detector are input to electronic controlled fuel pump by fuel-air packet, with
The gas in fuel oil is isolated, fuel pressure pulse is stablized.
The flow automatic detector detects fuel level by three flow sensors, to control the defeated of fuel quantitative
Enter to electronic controlled fuel and pumps.
The signal formation component includes：Rotary shaft is fixed at the engine of diesel cetane-number measuring machine
On body；Gear is fixed and is set in the rotary shaft；Cam is fixed and is set in the rotary shaft, automatically controlled combustion
The center line of oil pump is located at the axial centre face of the cam, and the bottom connection of the cam surface and electronic controlled fuel pump of the cam touches, and is
Electronic controlled fuel pump provides power；Signal panels are fixed and are set in the rotary shaft, and cam be located at gear and signal panels it
Between；Signal transducer is fixed at the engine gear chamber cap side of diesel cetane-number measuring machine, and is located at signal panels
Side, the center line of the signal transducer is located at the axial centre face of signal panels, and is set between the outer circumference surface of signal panels
Set gap.
Setting is spaced first angle there are two tooth socket between two tooth sockets on the circumferential edges of the signal panels；Institute
The signal panels stated are provided centrally with through-hole, and keyway is provided on the through-hole, the keyway with apart from its immediate tooth socket it
Between be spaced second angle.
Rotary shaft, cam and signal panels rotation are driven by the gear, cam is in rotation process to electronic controlled fuel
Pump provides power, and signal panels are acquired the signal of first angle and second angle in rotation process by signal transducer, and to institute
The controller stated provides injection time point signal.
In conclusion the fuel control system of diesel cetane-number measuring machine provided by the present invention, can accurately control
Distributive value and the injection time point of fuel oil processed also achieve automatically controlling for injection time and distributive value, while can also control manually
Injection time and distributive value processed enormously simplify operating process and reduce operation difficulty, shorten minute, improve work
The precision of efficiency, the job stability of instrument and determination sample.
Description of the drawings
Fig. 1 is the structural schematic diagram of the fuel control system applied to diesel cetane-number measuring machine in the present invention；
Fig. 2 is the structural schematic diagram of the signal panels in the present invention.
Specific implementation mode
The present invention is done and is further explained by the way that a preferable specific embodiment is described in detail below in conjunction with Fig. 1 and Fig. 2
It states.
As shown in Figure 1, being the fuel control system provided by the present invention applied to diesel cetane-number measuring machine, packet
Contain：Signal formation component is fixed on the engine body of diesel cetane-number measuring machine, for generating injection time point
Signal；Fuel nozzle assembly 7, the cylinder for being fixed at diesel cetane-number measuring machine cover, the fuel nozzle
An oil spout sensor is provided on assembly 7, which detects oil spout in 7 fuel-injected moment of fuel nozzle assembly
Actuating signal；Controller 2 is connect by signal wire with the signal formation component and oil spout sensor, and oil spout is received
Time point signal and oil spout actuating signal；Flow automatic detector 3 is connect by signal wire with the controller 2, by controlling
The amount of fuel that the control of device 2 processed passes through flow automatic detector 3；Electronic controlled fuel pump 5, passes through signal wire and the controller 2
Connection, is connect by fuel pipe with the flow automatic detector 3, and total by high-pressure oil pipe 6 and the fuel nozzle
It will pass through combustion by controller 2 according to 5 action of injection time point signal and oil spout actuating signal control electronic controlled fuel pump at 7 connections
The fuel oil of oil pipe input is transmitted to fuel nozzle assembly 7 by high-pressure oil pipe 6, and sprays into combustion chamber by fuel nozzle assembly 7.
The fuel nozzle assembly 7 controls opening angle, spray configuration and the injection pressure when fuel oil injection.
In the present embodiment, opening angle when fuel nozzle assembly 7 controls fuel oil injection is 30 °~120 ° adjustable, injection
Shape is plum blossom shape, and injection pressure is that 10~15Mpa is adjustable.
The controller 2 uses CAN（Controller Area Network, controller local area network）Integrated ECU
（Electronic Control Unit, electronic control unit）Controller.
The fuel control system applied to diesel cetane-number measuring machine includes also industrial computer 1, passes through
CAN bus is connect with the controller 2, and the injection time point signal and oil spout that real-time display is received by controller 2 act
Signal, realization automatically control distributive value and injection time point.
In the present embodiment, the industrial computer 1, controller 2 and flow automatic detector 3 are installed in diesel fuel cetane
It is worth on the console of measuring machine.
It is further fixedly arranged on a fuel-air packet 4 on the electronic controlled fuel pump 5, passes through fuel pipe and the flow
Automatic detector 3 connects, and the fuel oil after the detection of inflow-rate of water turbine automatic detector 3 is input to electronic controlled fuel by fuel-air packet 4
Pump 5 stablizes fuel pressure pulse to isolate the gas in fuel oil.
The flow automatic detector 3 passes through the flow sensor of upper, middle and lower three mounted on flowtube middle and lower part position
Fuel level is detected, to realize that the electronic controlled fuel that is input to of fuel quantitative pumps 5.
The signal formation component includes：Rotary shaft 8 is fixed at the engine of diesel cetane-number measuring machine
On body；Gear 9 is fixed and is set in the rotary shaft 8；Cam 10 is fixed and is set in the rotary shaft 8,
The center line of electronic controlled fuel pump 5 is located at the axial centre face of the cam 10, the bottom of the cam surface and electronic controlled fuel pump 5 of the cam 10
Portion is in contact, and provides power for electronic controlled fuel pump 5；Signal panels 11 are fixed and are set in the rotary shaft 8 so that is convex
Wheel 10 is between gear 9 and signal panels 11；Signal transducer 12 is fixed at starting for diesel cetane-number measuring machine
Machine gear chamber cover side, and positioned at the left side side of signal panels 11, the center line of the signal transducer 12 is located at the axis of signal panels 11
To median plane, and gap is set between the outer circumference surface of signal panels 11.
Gap between the signal transducer 12 and the outer circumference surface of signal panels 11 is 1 ~ 2mm or so.
As shown in Fig. 2, on the circumferential edges of the signal panels 11 setting there are two tooth socket 111, two tooth sockets 111 it
Between be spaced first angle；The signal panels 11 are provided centrally with through-hole 112, and keyway 113 is provided on the through-hole 112,
The keyway 113 and it is spaced second angle between its immediate tooth socket 111.
Drive rotary shaft 8, cam 10 and signal panels 11 to rotate by the gear 9, cam 10 in rotation process to
Electronic controlled fuel pump 5 provides power, and signal panels 11 acquire first angle and second angle in rotation process by signal transducer 12
Signal, and provide injection time point signal to the controller 2.
The fuel control system of diesel cetane-number measuring machine provided by the present invention, specific operation process are as described below：
Rotary shaft 8, cam 10 and signal panels 11 are driven to rotate by the gear 9, cam 10 is in rotation process to electronic controlled fuel
Pump 5 provides power, and signal panels 11 are acquired the signal of first angle and second angle in rotation process by signal transducer 12, and
Injection time point reference signal is provided to the controller 2；In conjunction with the oil spout sensor on fuel nozzle assembly 7 preceding primary
The oil spout actuating signal of controller 2 is detected and be transmitted to fuel oil injection moment, control electronic controlled fuel pump 5 after the processing of via controller 2
Action.Fuel oil is transferred into electronic controlled fuel pump 5 from flow automatic detector 3 through fuel-air packet 4, in the process, by controlling
The amount of fuel that the control of device 2 passes through flow automatic detector 3.The control of injection time is carried out to electronic controlled fuel pump 5 by controller 2,
Fuel oil is transmitted to fuel nozzle assembly 7 by high-pressure oil pipe 6, and combustion chamber is sprayed by fuel nozzle assembly 7.Entirely controlling
In the process, the injection time point signal and oil spout actuating signal that industrial computer 1 is received for real-time display by controller 2, from
And realize automatically controlling for distributive value and injection time point.
In conclusion the fuel control system of diesel cetane-number measuring machine provided by the present invention, can accurately control
Distributive value and the injection time point of fuel oil processed also achieve automatically controlling for injection time and distributive value, while can also control manually
Injection time and distributive value processed enormously simplify operating process and reduce operation difficulty, shorten minute, improve work
The precision of efficiency, the job stability of instrument and determination sample.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of fuel control system of diesel cetane-number measuring machine, which is characterized in that include：
Signal formation component is fixed on the engine body of diesel cetane-number measuring machine, for generating injection time
Point signal；
Fuel nozzle assembly（7）, the cylinder for being fixed at diesel cetane-number measuring machine covers, the fuel nozzle
Assembly（7）On be provided with an oil spout sensor, the oil spout sensor is in fuel nozzle assembly（7）Fuel-injected moment, detection
Oil spout actuating signal；
Controller（2）, it is connect with the signal formation component and oil spout sensor by signal wire, receives injection time
Point signal and oil spout actuating signal；
Flow automatic detector（3）, pass through signal wire and the controller（2）Connection, by controller（2）Control passes through stream
Measure automatic detector（3）Amount of fuel；
Electronic controlled fuel pumps（5）, pass through signal wire and the controller（2）Connection, by fuel pipe and the flow from
Dynamic detector（3）Connection, and pass through high-pressure oil pipe（6）With the fuel nozzle assembly（7）Connection, by controller（2）According to
Injection time point signal and oil spout actuating signal control electronic controlled fuel pump（5）Action, the fuel oil inputted by fuel pipe is passed through
High-pressure oil pipe（6）It is transmitted to fuel nozzle assembly（7）, and by fuel nozzle assembly（7）Spray into combustion chamber；
Wherein, the signal formation component includes：
Rotary shaft（8）, it is fixed on the engine body of diesel cetane-number measuring machine；
Gear（9）, fix and be set in the rotary shaft（8）On；
Cam（10）, fix and be set in the rotary shaft（8）On, electronic controlled fuel pump（5）Center line be located at the cam
（10）Axial centre face, the cam（10）Cam surface and electronic controlled fuel pump（5）Bottom connection touch, for electronic controlled fuel pump
（5）Power is provided；
Signal panels（11）, fix and be set in the rotary shaft（8）On, and cam（10）Positioned at gear（9）And signal panels
（11）Between；
Signal transducer（12）, it is fixed at the engine gear chamber cap side of diesel cetane-number measuring machine, and be located at
Signal panels（11）Top, the signal transducer（12）Center line be located at signal panels（11）Axial centre face, and and signal
Disk（11）Outer circumference surface between gap is set.
2. the fuel control system of diesel cetane-number measuring machine as described in claim 1, which is characterized in that the fuel oil
Injector assembly（7）Control opening angle, spray configuration and the injection pressure when fuel oil injection.
3. the fuel control system of diesel cetane-number measuring machine as described in claim 1, which is characterized in that the control
Device（2）The controller of ECU is integrated using CAN.
4. the fuel control system of diesel cetane-number measuring machine as described in claim 1, which is characterized in that also include industry
Computer（1）, pass through CAN bus and the controller（2）Connection, real-time display is by controller（2）When the oil spout received
Between point signal and oil spout actuating signal, realization automatically controls distributive value and injection time point.
5. the fuel control system of diesel cetane-number measuring machine as claimed in claim 4, which is characterized in that the industry
Computer（1）, controller（2）With flow automatic detector（3）It is installed on the console of diesel cetane-number measuring machine.
6. the fuel control system of diesel cetane-number measuring machine as described in claim 1, which is characterized in that described is automatically controlled
Fuel pump（5）On be further fixedly arranged on a fuel-air packet（4）, pass through fuel pipe and the flow automatic detector（3）
Connection, through inflow-rate of water turbine automatic detector（3）Fuel oil after detection passes through fuel-air packet（4）It is input to electronic controlled fuel pump（5）.
7. the fuel control system of diesel cetane-number measuring machine as claimed in claim 6, which is characterized in that the flow
Automatic detector（3）Fuel level is detected by three flow sensors, the electronic controlled fuel that is input to control fuel quantitative pumps
（5）.
8. the fuel control system of diesel cetane-number measuring machine as described in claim 1, which is characterized in that the signal
Disk（11）Circumferential edges on setting there are two tooth socket（111）, two tooth sockets（111）Between be spaced first angle；
The signal panels（11）Be provided centrally with through-hole（112）, in the through-hole（112）On be provided with keyway（113）, the key
Slot（113）With apart from its immediate tooth socket（111）Between be spaced second angle.
9. the fuel control system of diesel cetane-number measuring machine as claimed in claim 8, which is characterized in that by described
Gear（9）Drive rotary shaft（8）, cam（10）And signal panels（11）Rotation, cam（10）To electronic controlled fuel in rotation process
Pump（5）Power, signal panels are provided（11）By signal transducer in rotation process（12）Acquire first angle and second angle
Signal, and to the controller（2）Injection time point signal is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328691.7A CN105822446B (en) | 2016-05-18 | 2016-05-18 | A kind of fuel control system applied to diesel cetane-number measuring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328691.7A CN105822446B (en) | 2016-05-18 | 2016-05-18 | A kind of fuel control system applied to diesel cetane-number measuring machine |
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| Publication Number | Publication Date |
|---|---|
| CN105822446A CN105822446A (en) | 2016-08-03 |
| CN105822446B true CN105822446B (en) | 2018-09-07 |
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| CN201610328691.7A Active CN105822446B (en) | 2016-05-18 | 2016-05-18 | A kind of fuel control system applied to diesel cetane-number measuring machine |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205605319U (en) * | 2016-05-18 | 2016-09-28 | 叶明� | Fuel control system for diesel oil cetane number measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1074839A1 (en) * | 1999-08-05 | 2001-02-07 | Fina Research S.A. | Method and apparatus for measuring cetane number of diesel fuel. |
| JP5316525B2 (en) * | 2010-12-07 | 2013-10-16 | トヨタ自動車株式会社 | Cetane number estimation device |
| CN202611871U (en) * | 2012-02-27 | 2012-12-19 | 胡永军 | Fuel feeding control system of multi-fuel multi-track engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205605319U (en) * | 2016-05-18 | 2016-09-28 | 叶明� | Fuel control system for diesel oil cetane number measuring device |
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