CN218117903U - Diesel engine for thirteen-liter displacement generator set - Google Patents
Diesel engine for thirteen-liter displacement generator set Download PDFInfo
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- CN218117903U CN218117903U CN202222545897.9U CN202222545897U CN218117903U CN 218117903 U CN218117903 U CN 218117903U CN 202222545897 U CN202222545897 U CN 202222545897U CN 218117903 U CN218117903 U CN 218117903U
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Abstract
The utility model relates to a technical field, concretely relates to thirteen liter diesel engine for discharge capacity generating set. This diesel engine is thirteen liter discharge capacity diesel engine, including the fuel pump, leading gear room, the cylinder body, fuel filter, the high pressure oil rail, high pressure fuel pipe, automatically controlled sprayer, control system ECU, the phase sensor, the temperature sensor, pressure temperature sensor admits air, machine oil pressure sensor and oil rail pressure sensor, the fuel pump is installed on leading gear room and is located cylinder body one side, fuel filter passes through the defeated oil pipe of low pressure and is connected with the fuel pump, the fuel pump is connected to high pressure fuel rail through defeated oil pipe, high pressure fuel rail is connected to automatically controlled sprayer through high pressure fuel pipe, thirteen liter discharge capacity diesel engine's shock absorber structure adopts the doublestage shock absorber. And the requirement of a G3 grade power station of a 550KVA standby generator set is met by adopting a thirteen-liter engine. And the double-stage vibration absorber is adopted, so that the torsional vibration is greatly reduced, and the torsional vibration requirement when the power density of the engine is increased is met.
Description
Technical Field
The utility model relates to a technical field, concretely relates to thirteen liter diesel engine for discharge capacity generating set.
Background
The diesel engine power matched with the 550KVA standby unit at present mainly adopts a 15-16.4L displacement engine, and the engine is large in size and high in cost. The power density of the 15-16.4L displacement engine is only 38.5kW/L, the volume is large, the weight is heavy, the logistics transportation cost is high, and along with the increase of the power load, the power density of the 15-16.4L displacement engine can not meet the requirement of a G3 grade power station of a 550KVA standby generator set.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a thirteen liter discharge capacity diesel engine for generating set to the defect to prior art, can satisfy 550KVA standby generator set's G3 level power station.
The utility model discloses a thirteen liter discharge capacity diesel engine for generating set, this diesel engine are thirteen liter discharge capacity diesel engine, thirteen liter discharge capacity diesel engine are six jar structures of in-line, diesel engine includes fuel pump, leading gear room, cylinder body, fuel filter, high-pressure oil rail, high pressure fuel pipe, automatically controlled sprayer, control system ECU, phase sensor, temperature sensor, pressure temperature sensor, machine oil pressure sensor and oil rail pressure sensor admit air, the fuel pump is installed on leading gear room and is located cylinder body one side, fuel filter pass through the low pressure defeated oil pipe with the fuel pump is connected, the fuel pump is connected to through defeated oil pipe high pressure fuel rail, high pressure fuel rail passes through high pressure fuel pipe is connected to automatically controlled sprayer, control system ECU installs on the cylinder body and with the fuel pump homonymy, control system ECU's input passes through pencil and phase sensor, temperature sensor, pressure temperature sensor admits pressure temperature sensor, pressure sensor, oil rail pressure sensor, the data output end of oil rail pressure sensor is connected, control system ECU's control signal output end and the control signal input end of fuel pump, the automatically controlled vibration damper of thirteen liter discharge capacity diesel engine's structure adoption doublestage vibration damper.
Preferably, the thirteen-liter displacement diesel engine adopts a belt pulley system and a belt pulley system structure with the speed ratio of 2.03.
Preferably, the fuel filter is a three-stage fuel filter device combining two-stage coarse filtration and one-stage fine filtration.
The utility model has the advantages that:
1. the motor with 13 liters of displacement is adopted, the power density of the motor per liter is increased from 38.5kW/L to 43.3kW/L, meanwhile, the volume is small, the weight is light, the transportation and logistics cost is reduced, and the requirement of a G3 grade power station of a 550KVA standby generator set can be met. Compared with a single-stage vibration absorber, the vibration absorber adopting the double-stage vibration absorber has the advantages that the torsional vibration is reduced to 0.167 degrees from more than 0.2 degrees, the torsional vibration is greatly reduced, the torsional vibration requirement when the power density of the engine is increased is met, and the power density of the 13-liter displacement engine can be effectively exerted. The control system ECU is arranged on the cylinder body and is arranged on the same side as the fuel pump, the input end of the control system ECU is connected with the data output ends of the phase sensor, the water temperature sensor, the air inlet pressure and temperature sensor, the engine oil pressure sensor and the oil rail pressure sensor through a wire harness, and the control signal output end of the control system ECU is connected with the control signal input ends of the fuel pump and the electric control fuel injector. The ECU controls the fuel pump, the high-pressure fuel rail and the electric control fuel injector by reading a feedback signal of the phase sensor, so that the power output characteristic of the engine meets the 5 th part of an alternating current generator set driven by a reciprocating internal combustion engine of GB/T2820.5-2009: the requirements for the performance class of the G3 plant specified in genset. The multi-engine synchronous operation can be realized in the power grid by the multiple engines, and the generator set can automatically adjust the response characteristic and the speed regulation characteristic of the engines.
2. The fuel pump is connected to the high-pressure oil rail through defeated oil pipe, and the high-pressure oil rail is connected to automatically controlled sprayer through high pressure fuel pipe, has increased fuel oil system's fuel flow through above structure, satisfies the fuel oil system ability that engine power promoted.
3. The three-level fuel filter combining the two-level rough filtration and the one-level fine filtration can filter out 4-10 um small particles accounting for more than 75% of the total number of particles in fuel, effectively protect an oil pump and an oil sprayer and prolong the maintenance period.
4. Adopt the belt pulley and the belt pulley structure of 2.03 big velocity ratio, the big velocity ratio water pump of cooperation can increase the discharge of water pump, increases cooling system heat-sinking capability, matches the water and strains, is suitable for different country regions.
Drawings
Fig. 1 is a schematic view of the structure of the air inlet side of the diesel engine for the thirteen-liter displacement generator set of the utility model;
FIG. 2 is a schematic view of the structure of the exhaust side of a diesel engine for a thirteen-liter displacement generator set of the present invention;
FIG. 3 is a functional diagram of the parallel operation of the present invention;
fig. 4 is a schematic diagram of the RTD control function of the present invention.
1. A fuel pump; 2. a front gear chamber; 3. a cylinder body; 4. a fuel filter; 5. a high pressure oil rail; 6. a high pressure oil pipe; 7. an electrically controlled fuel injector; 8. a control system ECU; 9. a phase sensor; 10. a water temperature sensor; 11. an intake pressure temperature sensor; 12. an engine oil pressure sensor; 13. an oil rail pressure sensor; 14. wire harness
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise. "plurality" means "two or more".
Example one
Fig. 1 and 2 show schematic structural diagrams of preferred embodiments of the present application, and for convenience of description, only the portions related to the present embodiments are shown, which are detailed as follows:
a thirteen-liter displacement diesel engine for a generating set is a thirteen-liter displacement diesel engine which is in an in-line six-cylinder structure. The whole system of the thirteen-liter displacement diesel engine comprises a cylinder body, a cylinder cover, a gear chamber, a piston connecting rod structure, a fuel supply system, a starting system, a cooling system, a lubricating system, a control system and special control software.
Thirteen liter discharge capacity diesel engine includes fuel pump 1, leading gear room 2, cylinder body 3, fires oil filter 4, high pressure oil rail 5, high pressure fuel pipe 6, automatically controlled sprayer 7, control system ECU8, phase sensor 9, temperature sensor 10, pressure temperature sensor 11, machine oil pressure sensor 12 and oil rail pressure sensor 13 of admitting air, fuel pump 1 is installed on leading gear room 2 and is located 3 one sides of cylinder body, fire oil filter 4 through low pressure defeated oil pipe with fuel pump 1 is connected, fuel pump 1 is connected to through defeated oil pipe high pressure oil rail 5, high pressure fuel rail 5 passes through high pressure fuel pipe 6 is connected to automatically controlled sprayer 7.
The control system ECU8 is arranged on the cylinder body 3 and is arranged on the same side as the fuel pump 1, the input end of the control system ECU8 is connected with the data output ends of the phase sensor 9, the water temperature sensor 10, the air inlet pressure and temperature sensor 11, the engine oil pressure sensor 12 and the oil rail pressure sensor 13 through a wire harness 14, the control signal output end of the control system ECU8 is connected with the control signal input ends of the fuel pump 1 and the electric control fuel injector 7, and the shock absorber structure of the thirteen-liter displacement diesel engine adopts a two-stage shock absorber.
In one embodiment, the thirteen liter displacement diesel engine adopts a belt pulley system with the speed ratio of 2.03 and a belt pulley system structure.
In one embodiment, the fuel filter 4 is a three-stage fuel filter device combining two-stage coarse filtration and one-stage fine filtration.
The working process of the diesel engine is as follows:
the specific trend of the fuel oil is that the fuel oil enters a fuel oil filter 4 from a customer fuel tank through a low-pressure oil delivery pipe, the fuel oil filtered by the filter enters a fuel oil pump 1, enters a high-pressure oil rail 5 through the oil delivery pipe, is accumulated by the high-pressure oil rail 5, enters an electric control fuel injector 7 through a high-pressure oil pipe 6, and after a signal of a control system ECU8 is obtained, the electric control fuel injector 7 releases the high-pressure fuel oil to a combustion chamber for atomization and combustion.
The specific working mode of the power response control is that the control system ECU8 obtains a power response instruction from a power station control device through a wire harness 14, obtains the current running state of an engine through a phase sensor 9, a water temperature sensor 10, an air inlet pressure and temperature sensor 11, an engine oil pressure sensor 12 and an oil rail pressure sensor 13, obtains an oil injection quantity, an oil injection pressure and an oil injection timing command after calculation through control software installed in the control system ECU8, specially transmits the command to the fuel pump 1 and the electric control oil injector 7 through the wire harness 14, injects fuel oil into a combustion chamber for atomization and combustion, and outputs the rotating speed and the power value required by the power station control device.
As shown in fig. 3, the specific operation mode of the multi-engine synchronous control of the engine is that the master obtains a power response command from the power station control device, the control software installed in the control system ECU8 completes calculation of the rotating speed and load rate commands of the auxiliary machines, the commands are transmitted to the ECM of the auxiliary machines through the J1939 bus protocol, and the auxiliary machines are controlled by the respective ECMs to realize multi-engine synchronous operation.
As shown in fig. 4, the RTD control function works specifically by selecting two possible operating speeds by switching the frequency: a primary rotational speed and a secondary rotational speed; the idle speed/rated switching is used for controlling the engine to run at a low idle speed or a rated rotating speed; the rotating speed deviation adjustment adds an offset for increasing or decreasing the rotating speed of the engine under the current working rotating speed, and is used for compensating the rotating speed of the engine when a plurality of generator sets are connected in parallel and load distribution is carried out; response adjustments are used to modify engine control characteristics to meet specific steady state and transient response requirements; rate adjustment A rate value is set for the engine speed control system to assist in genset parallel operation and load sharing control. An RTD control mode is developed on the generator set, the same engine is matched with different generator set motors, and the generator set can automatically adjust the response characteristic and the speed regulation characteristic of the engine.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (3)
1. A thirteen liter of discharge capacity diesel engine for generating set which characterized in that: the diesel engine is a thirteen-liter discharge diesel engine which is of an in-line six-cylinder structure and comprises a fuel pump (1), a front gear chamber (2), a cylinder body (3), a fuel filter (4), a high-pressure fuel rail (5), a high-pressure fuel pipe (6), an electric control fuel injector (7), a control system ECU (8), a phase sensor (9), a water temperature sensor (10), an air inlet pressure temperature sensor (11), an engine oil pressure sensor (12) and a fuel rail pressure sensor (13), wherein the fuel pump (1) is installed on the front gear chamber (2) and located on one side of the cylinder body (3), the fuel filter (4) is connected with the fuel pump (1) through a low-pressure fuel pipe, the fuel pump (1) is connected to the high-pressure fuel rail (5) through a fuel pipe, the high-pressure fuel rail (5) is connected to the electric control fuel injector (7) through the high-pressure fuel pipe (6), the control system ECU (8) is installed on the cylinder body (3) and is located on the same side as the fuel pump (1), an input end of the control system ECU (8) is connected with the phase sensor (9), the engine oil pressure sensor (13) and the water temperature sensor (11) and the air inlet pressure sensor (13), the control signal output end of the control system ECU (8) is connected with the control signal input ends of the fuel pump (1) and the electric control fuel injector (7), and the shock absorber structure of the thirteen-liter displacement diesel engine adopts a double-stage shock absorber.
2. A diesel engine for a thirteen liter displacement genset in accordance with claim 1, wherein: the thirteen liter displacement diesel engine adopts a belt wheel train with the speed ratio of 2.03 and a belt wheel train structure.
3. A diesel engine for a thirteen liter displacement genset in accordance with claim 1, wherein: the fuel filter (4) is a three-level fuel filter device combining two-level rough filtration and one-level fine filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545897.9U CN218117903U (en) | 2022-09-26 | 2022-09-26 | Diesel engine for thirteen-liter displacement generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545897.9U CN218117903U (en) | 2022-09-26 | 2022-09-26 | Diesel engine for thirteen-liter displacement generator set |
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| Publication Number | Publication Date |
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| CN218117903U true CN218117903U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222545897.9U Active CN218117903U (en) | 2022-09-26 | 2022-09-26 | Diesel engine for thirteen-liter displacement generator set |
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| CN (1) | CN218117903U (en) |
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- 2022-09-26 CN CN202222545897.9U patent/CN218117903U/en active Active
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