CN206429311U - Unit injector diesel engine fuel-firing electric control gear - Google Patents
Unit injector diesel engine fuel-firing electric control gear Download PDFInfo
- Publication number
- CN206429311U CN206429311U CN201621321478.5U CN201621321478U CN206429311U CN 206429311 U CN206429311 U CN 206429311U CN 201621321478 U CN201621321478 U CN 201621321478U CN 206429311 U CN206429311 U CN 206429311U
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- China
- Prior art keywords
- sensor
- fuel
- position sensor
- electromagnetic valve
- fuel oil
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- Expired - Fee Related
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a kind of Unit injector diesel engine fuel-firing electric control gear, it is used for the control unit that determines the sensor of operating mode operation conditions, receive the input signal interface from the sensor input signal, be connected with input signal interface including one group, described sensor includes：Cooling-water temperature transmitter, intake air temperature sensor, air inlet pressure sensor, exhaust gas temperature sensor and accelerator pedal position sensor, described control unit connection have fuel oil electromagnetic valve for adjusting, fuel oil electromagnetic valve for adjusting position sensor, fuel supply advance angle actuator and fuel supply advance angle position sensor.The utility model is used in electrically-controlled pump nozzle, system control is more flexible, can be according to engine operation condition, realize optimal distributive value and optimal injection time, ensure the control accuracy of distributive value and injection timing, improve engine in-cylinder combustion, so as to reduce the noxious emission of engine, improve the economy and dynamic property of engine.
Description
Technical field
The utility model is related to a kind of Unit injector diesel engine fuel-firing electric control gear.
Background technology
Since the stage of state III, electric control fuel oil jet system will control the basic means of emission reduction as low-emission diesel.
To meet the requirement of state III and follow-up regulation, it is necessary to fuel system is carried out to upgrade to Electrocontrolled high-pressure spraying system.At present, it is used
The fuel injection system that disclosure satisfy that the emission regulation demands of state II be typically all pumping system in upright arrangement, and disclosure satisfy that the diesel oil of state III
The fuel injection system of machine emission control requirement mainly has two class electric-control systems, respectively monoblock pump, the injection of high-pressure common rail fuel oil
System, they can realize that the fuel-injected of Diesel engine is flexibly controlled to a certain extent.But both control systems
System retains pressure duct in structure, and pressure duct volume is big, pipeline is long, there is the pressure loss, and residual pressure and reflection
The pressure oscillations such as ripple can cause abnormal injection.
Utility model content
The technical problems to be solved in the utility model is：Overcome deficiency in the prior art can in real time, quickly there is provided one kind
Ground determines the Unit injector diesel engine fuel-firing electric control gear of fuel injection amount and injection timing.
The utility model solves the technical scheme that its technical problem used：A kind of Unit injector diesel engine fuel-firing electricity
Device is controlled, including one group is used to determine the sensor of operating mode operation conditions, receives the input from the sensor input signal
Signaling interface, the control unit being connected with input signal interface, described sensor include：Cooling-water temperature transmitter, air inlet
Temperature sensor, air inlet pressure sensor, exhaust gas temperature sensor and accelerator pedal position sensor, described control unit
Connection has fuel oil electromagnetic valve for adjusting, fuel oil electromagnetic valve for adjusting position sensor, fuel supply advance angle actuator and fuel feeding to carry
Preceding angular position pick up.
Described fuel oil electromagnetic valve for adjusting and fuel oil electromagnetic valve for adjusting position sensor are arranged on engine cam room.
Described control unit controls fuel oil electromagnetic valve for adjusting and fuel supply advance angle actuator to act respectively, and passes through fuel oil
Electromagnetic valve for adjusting position sensor and the transmitted breath of fuel supply advance angle position sensor realize closed-loop control as feedback quantity.
Described control unit also connection organic oil pressure sensor, speed probe, fuel temperature sensor, ring
Border temperature sensor, super charge temperature sensor and turbocharger bypass actuator.
The beneficial effects of the utility model are：The utility model is used in electrically-controlled pump nozzle, and system control is more flexible, can
According to engine operation condition, to realize optimal distributive value and optimal injection time, it is ensured that the control of distributive value and injection timing
Precision, improves engine in-cylinder combustion, so as to reduce the noxious emission of engine, improves the economy and power of engine
Property.
Brief description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is electrical schematic diagram of the present utility model.
Fig. 2 is a kind of control process block diagram of the present utility model.
Embodiment
The utility model is further described presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram only to show
Meaning mode illustrates basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
A kind of Unit injector diesel engine fuel-firing electric control gear as shown in Figure 1, including one group be used to determine operating mode operation
The sensor of situation, the control for receiving the input signal interface from the sensor input signal, being connected with input signal interface
Unit processed.
Described sensor includes：Cooling-water temperature transmitter, intake air temperature sensor, air inlet pressure sensor, exhaust
Temperature sensor and accelerator pedal position sensor；The sensor also includes engine oil pressure pickup, speed probe, combustion
The sensing commonly used in oil temperature sensor, environment temperature sensor, super charge temperature sensor these engine control systems
Device and turbocharger bypass actuator.
Described control unit connection has fuel oil electromagnetic valve for adjusting, fuel oil electromagnetic valve for adjusting position sensor, fuel feeding
Advance angle actuator and fuel supply advance angle position sensor, fuel oil electromagnetic valve for adjusting and fuel oil electromagnetic valve for adjusting position sensor
On engine cam room.
Described control unit controls fuel oil electromagnetic valve for adjusting and fuel supply advance angle actuator to act respectively, and passes through fuel oil
Electromagnetic valve for adjusting position sensor and the transmitted breath of fuel supply advance angle position sensor realize closed-loop control as feedback quantity.
It is a kind of control process block diagram of electric control gear described in the utility model as shown in Figure 2, is described as follows with reference to Fig. 1：
Control unit receives the tach signal of speed probe transmission, and the gas pedal of the engine of comparator input signal interface
Position sensor signal and the default throttle at idle position of engine, such as the step judged result are accelerator pedal positions more than idle
Fast throttle position, then control unit fuel injection amount is determined according to accelerator pedal position and tach signal；If the step judges knot
Fruit is not more than throttle at idle position for accelerator pedal position, then control unit is according to coolant temperature sensor, air-temperature sensing
The signal that device is transmitted determines fuel injection amount.Control unit goes to control fuel oil electromagnetic valve for adjusting, fuel oil according to known method
Electromagnetic valve for adjusting stirs pump rack according to control unit instruction, and oil mass actuator is actual by the fuel oil electromagnetic valve for adjusting measured
Position is contrasted with target location, and if target location have deviation, and then be modified, until reaching one with desired value
Cause, so as to complete closed-loop control.Control unit method according to known to any one such as rotating speed and fuel injection amount determines combustion
Oily fuel injection timing, the fuel injection timing carries out feedback by fuel supply advance angle position sensor, and then reaches accurate control.
The major design principle of above-mentioned electric control gear is：Fuel oil shape is directly driven by the overhead camshaft on cylinder head top
Into high pressure, due to without extra high pressure fuel pipeline, eliminating pressure loss in piping and avoiding the possibility of pipeline leakage.
Because fuel pressurization is integrated with injection apparatus, fuel oil injection can be completed and to its oil spout by efficient high-pressure in a short time
Amount, pressure, timing are flexibly controlled, and its injection pressure exceedes the water that common rail system and unit-pump system can reach
It is flat.Using the engine of the electric control gear, the maximum outbreak pressure that can be born in cylinder, which is generally required, reaches 20M Pa, and its is excellent
Gesture is can to form higher injection pressure, and is transitted directly in state IV, state's V products, possesses progress and meets state IV, state V rows
Put the potentiality of upgrading.
The utility model is used in electrically-controlled pump nozzle, and system control is more flexible, can be real according to engine operation condition
Now optimal distributive value and optimal injection time, it is ensured that the control accuracy of distributive value and injection timing, improve engine in-cylinder combustion,
So as to reduce the noxious emission of engine, the economy and dynamic property of engine are improved.
Above-mentioned embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with this skill
The personage of art can understand content of the present utility model and be carried out, and protection model of the present utility model can not be limited with this
Enclose, all equivalent change or modifications made according to the utility model Spirit Essence should all cover in protection model of the present utility model
In enclosing.
Claims (4)
1. a kind of Unit injector diesel engine fuel-firing electric control gear, including one group be used to determining the sensor of industrial and mineral operation conditions,
The control unit for receive the input signal interface from the sensor input signal, being connected with input signal interface, it is described
Sensor includes：Cooling-water temperature transmitter, intake air temperature sensor, air inlet pressure sensor, exhaust gas temperature sensor and
Accelerator pedal position sensor, it is characterized in that：Described control unit connection has fuel oil electromagnetic valve for adjusting, fuel oil regulation electricity
Magnet valve position sensor, fuel supply advance angle actuator and fuel supply advance angle position sensor.
2. Unit injector diesel engine fuel-firing electric control gear according to claim 1, it is characterized in that：Described fuel oil regulation
Magnetic valve and fuel oil electromagnetic valve for adjusting position sensor are arranged on engine cam room.
3. Unit injector diesel engine fuel-firing electric control gear according to claim 1, it is characterized in that：Described control unit
Control fuel oil electromagnetic valve for adjusting and the action of fuel supply advance angle actuator respectively, and by fuel oil electromagnetic valve for adjusting position sensor and
The transmitted breath of fuel supply advance angle position sensor realizes closed-loop control as feedback quantity.
4. Unit injector diesel engine fuel-firing electric control gear according to claim 1, it is characterized in that：Described control unit
Also connection organic oil pressure sensor, speed probe, fuel temperature sensor, environment temperature sensor, super charge
Temperature sensor and turbocharger bypass actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621321478.5U CN206429311U (en) | 2016-12-02 | 2016-12-02 | Unit injector diesel engine fuel-firing electric control gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621321478.5U CN206429311U (en) | 2016-12-02 | 2016-12-02 | Unit injector diesel engine fuel-firing electric control gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206429311U true CN206429311U (en) | 2017-08-22 |
Family
ID=59586363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621321478.5U Expired - Fee Related CN206429311U (en) | 2016-12-02 | 2016-12-02 | Unit injector diesel engine fuel-firing electric control gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206429311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420211A (en) * | 2017-09-18 | 2017-12-01 | 南京威孚金宁有限公司 | A kind of control method and system for position model electronic control dispensing pump |
| CN116480480A (en) * | 2023-06-21 | 2023-07-25 | 厦门科皕检测科技股份有限公司 | Intelligent control system based on automobile engine fuel sprayer |
-
2016
- 2016-12-02 CN CN201621321478.5U patent/CN206429311U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420211A (en) * | 2017-09-18 | 2017-12-01 | 南京威孚金宁有限公司 | A kind of control method and system for position model electronic control dispensing pump |
| CN107420211B (en) * | 2017-09-18 | 2023-03-28 | 南京威孚金宁有限公司 | Control method and system for position type electric control distribution pump |
| CN116480480A (en) * | 2023-06-21 | 2023-07-25 | 厦门科皕检测科技股份有限公司 | Intelligent control system based on automobile engine fuel sprayer |
| CN116480480B (en) * | 2023-06-21 | 2023-08-18 | 厦门科皕检测科技股份有限公司 | Intelligent control system based on automobile engine fuel sprayer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20211202 |