CN203098068U - Fuel injection adjusting system of high-power diesel engine - Google Patents
Fuel injection adjusting system of high-power diesel engine Download PDFInfo
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- CN203098068U CN203098068U CN 201220735369 CN201220735369U CN203098068U CN 203098068 U CN203098068 U CN 203098068U CN 201220735369 CN201220735369 CN 201220735369 CN 201220735369 U CN201220735369 U CN 201220735369U CN 203098068 U CN203098068 U CN 203098068U
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- diesel engine
- power
- fuel injection
- regulating system
- oil spout
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Abstract
The utility model relates to a fuel injection system of a diesel engine, and particularly discloses a fuel injection adjusting system of a high-power diesel engine. The fuel injection adjusting system of the high-power diesel engine comprises a diesel engine fuel injection device, wherein the diesel engine fuel injection device is provided with a displacement variable device which is used for controlling a fuel injection advance angle of the diesel engine, horizontal drive connection is carried out on the amount of displacement of the displacement variable device by a motor through a plane four-bar mechanism, a fuel injection adjusting system body is in control connection with the motor, the fuel injection adjusting system body is respectively associated with a power sampling unit, a discharge sampling unit and a fuel consumption rate sampling unit, and the power sampling unit, the discharge sampling unit and the fuel consumption rate sampling unit are used for collecting performance parameters of the whole diesel engine. According to the fuel injection adjusting system of the high-power diesel engine, the fuel injection adjusting system body is used for collecting the performance parameters such as a fuel consumption rate, discharge and power of the diesel engine and changing the fuel injection advance angle of the diesel engine through the performance parameters such as the fuel consumption rate, the discharge and the power of the diesel engine, the fuel injection advance angle of the diesel engine is adjusted through a corresponding displacement variable relationship, and therefore a transient state change four-dimensional linear relationship of the power, the fuel injection advance angle, fuel consumption and the discharge is built.
Description
Technical field
The utility model relates to a kind of diesel engine fuel injection system, is specifically related to a kind of high-power diesel engine oil spout regulating system.
Background technique
Supplying fuel for internal combustion engine and regulating system are one of important systems of internal-combustion engine, its major function be in time, high-quality ground provides an amount of fuel for cylinder of internal-combustion engine, guaranteeing that mixed gas forms effective burning in the cylinder, it all has crucial influence for the main performance index of internal-combustion engine such as power character, burning Economy, discharging and noise and reliability, durability etc.
Therefore, can all can satisfy the requirement of mating aspect quality (high-pressure fog and fuel injection characteristic), quantity (oil mass is accurately controlled), time (beginning of injection and duration) and the reliability for diesel engine fuel supply and regulating system with complete machine, reaching the power performance index and guaranteeing under the prerequisite of reliability to satisfy diesel engine, satisfying its requirement at increasingly stringent aspect energy-conservation and the environmental protection index.
Especially since the TL2 emission standard is implemented, the emission request of marine diesel engine has been increased, simultaneously, oil consumption for diesel engine is an important parameter of existing energy-saving and emission-reduction, therefore, at this situation, be necessary to develop the device that a cover is regulated the time difference of diesel engine piston stroke and oil spout.
Summary of the invention
At above-mentioned deficiency of the prior art, the utility model aims to provide a kind of high-power diesel engine oil spout adjusting system, can set up real-time closed-loop control curve, by the injection advance angle of core controller control diesel engine according to optimization advance angle under each power.
To achieve these goals, the technical solution of the utility model: a kind of high-power diesel engine oil spout regulating system, it comprises the diesel engine fuel injecting device, this diesel engine fuel injecting device is provided with the offset variable device of the injection advance angle that is used to control diesel engine, displacement amount on this offset variable device carries out Horizontal Drive by a motor by lanar four rod mechanism and connects, described motor is by an oil spout regulating system control connection, wherein, this oil spout regulating system respectively with the power samples unit of the performance parameter of gathering whole diesel engine, the discharging sampling unit, the fuel consumption rate sampling unit is associated.
Further, the pass of the injection advance angle of described diesel engine and offset variable device is: displacement amount=injection advance angle * (1/6).
Described lanar four rod mechanism comprises the parallel slide bar that is connected with the displacement amount of offset variable device, be fixedly connected on the strut on the diesel engine fuel injecting device, an and balancing pole, wherein, this balancing pole is a balance pivot with described strut, one end hinge parallel slide bar, the other end hinge is connected with a power lever that is connected with motor power.
Preferably, the displacement accuracy of described offset variable device is 1mm.
Described in addition oil spout regulating system is provided with communication interface.
The beneficial effects of the utility model: change fuel injection beginning of diesel engine by the collection of oil spout regulating system and according to performance parameters such as the fuel consumption rate of diesel engine, discharging, power, and concern the injection advance angle of adjusting diesel engine by corresponding offset variable, with the four-dimensional linear relationship of the transient changing of setting up power, injection advance angle, fuel consume, discharging, real-time closed-loop control curve, and with this anti-radial displacement regulated quantity of releasing corresponding offset variable device, to reach the optimization of fuel consume and discharging.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a structural representation of the present utility model.
Embodiment
Further describe the utility model below in conjunction with specific embodiment and accompanying drawing.
A kind of high-power diesel engine oil spout regulating system as shown in Figure 1 comprises diesel engine fuel injecting device 10, described diesel engine fuel injecting device 10 is provided with the offset variable device 15 of the injection advance angle that is used to control diesel engine, displacement amount on this offset variable device 15 carries out Horizontal Drive by a motor 20 by lanar four rod mechanism and connects, described motor 20 is by an oil spout regulating system 16 control connections, wherein, this oil spout regulating system 16 respectively with the power samples unit 17 of the performance parameter of gathering whole diesel engine, discharging sampling unit 18, fuel consumption rate sampling unit 19 is associated.
Main improvement of the present utility model is, performance parameters such as the fuel consumption rate of collection diesel engine, discharging, power are carried out analysing and processing and are changed fuel injection beginning of diesel engine more mechanically, with the four-dimensional linear relationship of the transient changing of setting up power, injection advance angle, fuel consume, discharging, real-time closed-loop control curve, and with this anti-radial displacement regulated quantity of releasing corresponding offset variable device, to reach the optimization of fuel consume and discharging.
Preferably, under different capacity, the pass of the injection advance angle of described diesel engine and offset variable device 15 is: displacement amount=injection advance angle * (1/6), set up the four-dimensional linear relationship chart of transient state of oil consumption and discharging (oxynitrides content) with this.Extract the best advance angle parameter of different capacity, reach the optimization of fuel consume and discharging (oxynitrides content).
Described lanar four rod mechanism comprises the parallel slide bar 11 that is connected with the displacement amount of offset variable device 15, be fixedly connected on the strut 12 on the diesel engine fuel injecting device 10, an and balancing pole 13, wherein, this balancing pole 13 is a balance pivot with described strut 12, one end hinge parallel slide bar 11, the other end hinge are connected with a power lever 14 that is connected with motor 20 power.This lanar four rod mechanism mainly is the horizontal slip that realizes the different amplitudes of power lever 14 according to the frequency conversion of motor 20, pass through the swing of balancing pole 13 again, the corresponding variable of realizing the displacement amount of parallel slide bar 11 ends is finally regulated injection advance angle with certain proportion ground.Because motor 20 in use has a moment of inertia, in this requirement, the displacement accuracy of described offset variable device 15 is 1mm; That is to say the moment of inertia of avoiding motor 20, to reach the accurate displacement amount of offset variable device 15.
More than technological scheme that the utility model embodiment is provided be described in detail, used specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and application area, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. high-power diesel engine oil spout regulating system, comprise diesel engine fuel injecting device (10), it is characterized in that: described diesel engine fuel injecting device (10) is provided with the offset variable device (15) of the injection advance angle that is used to control diesel engine, displacement amount on this offset variable device (15) carries out Horizontal Drive by a motor (20) by lanar four rod mechanism and connects, described motor (20) is by oil spout regulating system (a 16) control connection, wherein, this oil spout regulating system (16) respectively with the power samples unit (17) of the performance parameter of gathering whole diesel engine, discharging sampling unit (18), fuel consumption rate sampling unit (19) is associated.
2. high-power diesel engine oil spout regulating system according to claim 1 is characterized in that: the pass of the injection advance angle of described diesel engine and offset variable device (15) is: displacement amount=injection advance angle * (1/6).
3. high-power diesel engine oil spout regulating system according to claim 1, it is characterized in that: described lanar four rod mechanism comprises the parallel slide bar (11) that is connected with the displacement amount of offset variable device (15), be fixedly connected on the strut (12) on the diesel engine fuel injecting device (10), an and balancing pole (13), wherein, this balancing pole (13) is a balance pivot with described strut (12), one end hinge parallel slide bar (11), the other end hinge are connected with a power lever (14) that is connected with motor (20) power.
4. high-power diesel engine oil spout regulating system according to claim 1 is characterized in that: the displacement accuracy of described offset variable device (15) is 1mm.
5. high-power diesel engine oil spout regulating system according to claim 1 is characterized in that: described oil spout regulating system (16) is provided with communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735369 CN203098068U (en) | 2012-12-27 | 2012-12-27 | Fuel injection adjusting system of high-power diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735369 CN203098068U (en) | 2012-12-27 | 2012-12-27 | Fuel injection adjusting system of high-power diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098068U true CN203098068U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735369 Expired - Fee Related CN203098068U (en) | 2012-12-27 | 2012-12-27 | Fuel injection adjusting system of high-power diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN203098068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3111672A1 (en) | 2020-06-23 | 2021-12-24 | Psa Automobiles Sa | INJECTION ADVANCE CONTROL ON A DIESEL COMBUSTION ENGINE |
-
2012
- 2012-12-27 CN CN 201220735369 patent/CN203098068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3111672A1 (en) | 2020-06-23 | 2021-12-24 | Psa Automobiles Sa | INJECTION ADVANCE CONTROL ON A DIESEL COMBUSTION ENGINE |
| WO2021260281A1 (en) | 2020-06-23 | 2021-12-30 | Psa Automobiles Sa | Method for controlling the advancement of injection timing of a diesel combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20181227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |