CN117588343B

CN117588343B - Method, system and control device for remote engine load starting

Info

Publication number: CN117588343B
Application number: CN202311413152.XA
Authority: CN
Inventors: 陈东; 谭语; 张磊; 肖长柳
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2025-02-18
Anticipated expiration: 2043-10-27
Also published as: CN117588343A

Abstract

The application discloses a method, a system and a control device for remote on-load starting of an engine. The method comprises the steps that the control device sends a working instruction to the DCDC module under the condition that a load starting instruction is received, and whether the torque output by the first power device meets a first target torque or not and whether the DCDC module is in a working state or not is judged. And under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state, sending a starting instruction to the second power device so as to control the second power device to carry out load starting. According to the application, the first power device provides torque, the second power device performs load starting, remote load starting of the engine can be realized, and the DCDC module provides discharging current together, so that the service life of the battery can be prolonged.

Description

Method, system and control device for remote on-load starting of engine

Technical Field

The application relates to the technical field of remote debugging of engineering machinery, in particular to a method, a system and a control device for remote on-load starting of an engine.

Background

At present, when a common engineering vehicle works, a remote controller is required to be used for remote control, and when a user takes a rest or waits for a gap, a manipulator often controls the vehicle to flameout so as to save fuel. However, when the vehicle needs to be restarted, another operator is often required to manually engage the engine after the engine is started in neutral in the cab, and then restart the operation. The whole process of restarting after flameout is complex, and 2 persons are needed to cooperate. In the prior art, the motor is started in a power-assisted manner in a neutral state. But this method does not enable the start of the vehicle with gear to be remotely performed by the remote controller. An additional 1 person is required to step on the clutch pedal in the cab and to engage after start-up. Meanwhile, when the electric quantity of the low-voltage storage battery is low, the vehicle can not be started even if the motor is used for assisting the vehicle. In addition, frequent starting can also lead to frequent high-current discharge of the low-voltage storage battery, and the service life is quite far reduced compared with that of the low-voltage storage battery. Therefore, the conventional technical scheme has the problems that remote load starting cannot be realized and the service life of the battery is low.

Disclosure of Invention

The embodiment of the application aims to provide a method, a system and a control device for remote on-load starting of an engine, which are used for solving the problems that remote on-load starting cannot be realized and the service life of a battery is lower in the prior art.

To achieve the above object, a first aspect of the present application provides a method for remote on-load starting of an engine, applied to a control device, the control device being in communication with a first power device and a second power device, respectively, the first power device including a DCDC module, the method comprising:

under the condition of receiving the load starting instruction, sending a working instruction to the DCDC module;

Judging whether the torque output by the first power device meets a first target torque or not and whether the DCDC module is in a working state or not;

and under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state, sending a starting instruction to the second power device so as to control the second power device to carry out load starting.

In an embodiment of the present application, the first power device further includes a motor controller and a booster motor, the motor controller in communication with the booster motor, the method further comprising:

a torque mode command is sent to the motor controller to control the booster motor to output torque through the motor controller.

In an embodiment of the present application, the second power device includes an engine controller, an engine, a starter, and a low-voltage battery, the engine is connected with the engine controller and the starter, the low-voltage battery is connected with the engine controller, the engine, and the starter, respectively, and sending a start command to the second power device to control the second power device to perform on-load start includes:

Sending a starting instruction to an engine controller so as to control a starter to be connected with an engine through the engine controller;

The starter is driven to rotate through the low-voltage storage battery so as to drag the engine to rotate;

judging whether the rotating speed of the engine is higher than the starting rotating speed;

And under the condition that the rotating speed of the engine is larger than the starting rotating speed, judging that the load starting of the engine is successful.

In an embodiment of the present application, the method further includes:

judging whether the dragging time of the starter dragging the engine to rotate exceeds preset time or not;

And under the condition that the dragging time exceeds the preset time, the starter is controlled to be separated from the engine.

In an embodiment of the present application, the method further includes:

Under the condition that the engine load starting is successful, controlling the torque of the first power device to be reduced to a second target torque, wherein the second target torque is smaller than the first target torque;

and sending a closing instruction to the DCDC module.

A second aspect of the present application provides a control apparatus comprising:

a memory configured to store instructions, and

A processor configured to invoke the instructions from the memory and when executing the instructions is capable of implementing a method for remote on-load starting of an engine according to the above.

A third aspect of the present application provides a system for remote on-load starting of an engine, comprising:

the control device according to the above;

A first power device in communication with the control device and configured to output torque in accordance with a torque mode command sent by the control device;

And the second power device is respectively communicated with the control device and the first power device and is configured to carry out load starting according to a starting command sent by the control device and the torque provided by the first power device.

In an embodiment of the present application, a first power plant includes:

A DCDC module configured to output a current;

A motor controller configured to control the assist motor to output torque according to an instruction of the control device;

A booster motor in communication with the motor controller, configured to output torque in accordance with a control command of the motor controller;

And the power battery is respectively connected with the DCDC module and the motor controller and is configured to supply current to the DCDC module and the motor controller.

In an embodiment of the present application, the second power device includes:

An engine controller configured to send control instructions to the engine and the starter;

A low voltage battery configured to provide power;

The starter is connected with the engine controller and the low-voltage storage battery respectively and is configured to rotate and drag the engine to rotate according to the control signal;

An engine, in communication with the engine controller and in communication with the starter, is configured to rotate following the starter rotation.

A fourth aspect of the application provides a machine-readable storage medium having stored thereon instructions for causing a machine to perform a method for remote on-load starting of an engine according to the above.

Through the technical scheme, the control device sends the working instruction to the DCDC module under the condition of receiving the load starting instruction, and judges whether the torque output by the first power device meets the first target torque or not and whether the DCDC module is in a working state or not. And under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state, sending a starting instruction to the second power device so as to control the second power device to carry out load starting, and realizing remote load starting. And discharge current is provided through the DCDC module, so that the service life of the battery can be prolonged.

Additional features and advantages of embodiments of the application will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain, without limitation, the embodiments of the application. In the drawings:

FIG. 1 schematically illustrates a flow chart of a method for remote on-load starting of an engine according to an embodiment of the application;

FIG. 2 schematically illustrates a flow chart of a method for remote on-load starting of an engine according to an embodiment of the application;

FIG. 3 schematically illustrates a block diagram of a control device according to an embodiment of the present application;

FIG. 4 schematically illustrates a block diagram of a system for remote on-load starting of an engine in accordance with an embodiment of the present application;

FIG. 5 schematically illustrates a block diagram of a first power plant in accordance with an embodiment of the present application;

FIG. 6 schematically illustrates a block diagram of a second power plant in accordance with an embodiment of the present application;

Fig. 7 schematically illustrates a block diagram of a system for remote on-load starting of an engine in accordance with an embodiment of the present application.

Description of the reference numerals

410. First power unit of control device 420

421 DCDC module 422 motor controller

423. Power battery of booster motor 424

430. Engine controller of second power device 431

432. Low-voltage accumulator 433 starter

434. Engine 710 control system

720. First power system 721 DCDC

722. Power battery 723 motor controller

724. Second power system of power-assisted motor 730

731. Low voltage battery 732 ECU

733. Starter of generator 734

735. Engine 740 gearbox

750. Power coupling device

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it should be understood that the detailed description described herein is merely for illustrating and explaining the embodiments of the present application, and is not intended to limit the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present application), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

Fig. 1 schematically shows a flow chart of a method for remote on-load starting of an engine according to an embodiment of the application. As shown in fig. 1, an embodiment of the present application provides a method for remote on-load starting of an engine, which is applied to a control device, and the control device is respectively in communication with a first power device and a second power device, wherein the first power device includes a DCDC module, and the method may include the following steps.

Step 101, under the condition of receiving a load starting instruction, sending a working instruction to a DCDC module;

102, judging whether the torque output by the first power device meets a first target torque and whether the DCDC module is in a working state;

And step 103, sending a starting instruction to the second power device to control the second power device to start under load under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state.

In an embodiment of the present application, the control device may be in communication with the first power device and the second power device. The first power device can provide power-assisted torque for the second power device, and the starter load is reduced. The first power device can further comprise a DCDC module, wherein the DCDC module refers to a device for converting electric energy with one voltage value into electric energy with another voltage value in a direct current circuit, and can be used for providing electric energy together with the low-voltage storage battery, and the working current of the starter and the output current of the low-voltage storage battery can be reduced by increasing the voltage value, so that the purpose of prolonging the service lives of the starter and the low-voltage storage battery is achieved. The second power means a device responsible for performing engine starting operation. And the control device sends a working instruction to the DCDC module under the condition of receiving a remote load starting instruction of the remote controller so as to enable the DCDC module to enter a working state.

In the embodiment of the application, after the first power device outputs the torque, whether the torque output by the first power device meets the first target torque is judged. The first target torque refers to a preset assist target torque. When the first target torque is determined, when the gearbox is in the neutral position, the torque t_d is provided by the booster motor continuously being increased until the booster motor starts to rotate t_d1, which torque t_dmax. When the power-assisted torque value is reached, the power-assisted torque can be guaranteed to reach the maximum value, the power-assisted motor can be guaranteed not to drag the engine to rotate, and the phenomenon that the starter in the first power system is toothed when being started after the engine rotates is avoided. And under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state, sending a starting instruction to the second power device, wherein the second power device can carry out load starting according to the power-assisted torque provided by the first power device.

In an embodiment of the present application, the first power device further includes a motor controller and a booster motor, the motor controller being in communication with the booster motor, the method further including:

Specifically, the first power device may further include a motor controller and a booster motor, the motor controller in communication with the booster motor. The control device can also send a torque mode instruction to a motor controller in the first power device under the condition of receiving the load starting instruction, and the motor controller can control the power-assisted motor to output torque after the feedback state of the power-assisted motor is the torque mode.

In the embodiment of the application, the first power device can further comprise a power battery, the power battery is respectively connected with the DCDC module and the motor controller, can provide power for the motor controller and simultaneously provides electric energy with the DCDC module, and the working current of the starter and the output current of the low-voltage storage battery can be reduced by increasing the voltage value, so that the purpose of prolonging the service lives of the starter and the low-voltage storage battery is achieved.

In an embodiment of the present application, the second power device includes an engine controller, an engine, a starter, and a low-voltage battery, the engine is respectively in communication with the engine controller and the starter, the low-voltage battery is respectively connected with the engine controller, the engine, and the starter, and sending a start command to the second power device to control the second power device to perform on-load start may include:

Specifically, the second power device may include an engine controller, an engine, a starter, and a low-voltage battery, the engine may be connected to the engine controller and the starter, respectively, and the low-voltage battery may be connected to the engine controller, the engine, and the starter, respectively. And the control device sends a starting instruction to an engine controller in the second power device under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state. After receiving the starting instruction, the engine controller can control the starter to be connected with the engine and drive the starter to rotate through the low-voltage storage battery function so as to drag the engine to rotate until the rotating speed of the engine is larger than the starting rotating speed. And under the condition that the rotating speed of the engine is larger than the starting rotating speed, the successful load starting of the engine can be judged.

In an embodiment of the present application, the method may further include:

Specifically, in the process that the starter rotates to drag the engine to rotate, the dragging time of the starter dragging the engine to rotate can be obtained, and whether the dragging time exceeds the preset time is judged. The preset time refers to a preset maximum value of the drag time. Under the condition that the dragging time exceeds the preset time, the starter is controlled to be separated from the engine, and the starter and the low-voltage storage battery can be prevented from being damaged by long-time starting.

In an embodiment of the present application, the method may further include:

and sending a closing instruction to the DCDC module.

Specifically, in the case where the engine on-load start is successful, the control device again controls the torque of the first power device to decrease to the second target torque, which may be, for example, 0. And simultaneously controlling the working mode of the first power device to be a rotating speed mode. Meanwhile, the control device sends a closing instruction to the DCDC module to control the DCDC module to stop working. After the torque of the first power plant is reduced to the second target torque and the DCDC module is deactivated, the remote on-load engine start is completed.

Fig. 2 schematically illustrates a flow chart of a method for remote on-load starting of an engine according to an embodiment of the application. As shown in fig. 2, an embodiment of the present application provides a method for remote on-load starting of an engine, which may include the steps of:

s201, starting;

s202, the engineering vehicle is electrified and not started, and working state information of a first power system and a second power system of the engine is obtained;

S203, the engineering vehicle receives a starting signal, the first power system provides a boosting torque T_d, the DCDC function is opened, and when the T_d reaches T_dmax, the second power system executes engine starting;

s204, when the engine speed is detected to be more than or equal to N_e+200, the first power system controls T_d=0, the DCDC function is closed, and the engine load is successfully started;

s205, ending.

In an embodiment of the application, the working state information of the first power system (namely the first power device in the application) and the second power system (namely the second power device in the application) comprises, but is not limited to, engine speed, engine ECU self-checking state, low-voltage storage battery voltage, starter speed, booster motor torque, booster motor self-checking state and the like. Whether the engine is started normally or on-load can be distinguished by whether the transmission gear is in neutral. And when the engineering vehicle is electrified and is not started, acquiring the working state information of the first power system and the second power system of the engine. The first power system provides the assisting torque T_d under the condition that the starting signal is received by the engineering vehicle, the DCDC function is opened, and when the T_d reaches T_dmax (namely the first target torque in the application), the second power system executes engine starting. When the engine speed is detected to be greater than or equal to n_e+200 (namely, the starting speed in the application), the first power system control t_d=0 (namely, the second target torque in the application), the DCDC function is closed, and the remote on-load engine start is successful.

Fig. 3 schematically shows a block diagram of a control device according to an embodiment of the application. As shown in fig. 3, an embodiment of the present application provides a control device, which may include:

a memory 310 configured to store instructions, and

Processor 320 is configured to invoke instructions from memory 310 and to implement the method of remote on-load starting of an engine described above when the instructions are executed.

Specifically, in an embodiment of the present application, processor 320 may be configured to:

Further, the processor 320 may be further configured to:

and sending a closing instruction to the DCDC module.

Fig. 4 schematically shows a block diagram of a system for remote on-load starting of an engine according to an embodiment of the application. As shown in fig. 4, an embodiment of the present application provides a system for remote on-load starting of an engine, which may include:

according to the control device 410 described above;

A first power device 420, in communication with the control device 410, configured to output torque in accordance with a torque mode command sent by the control device 410;

The second power devices 430, each in communication with the control device 410, are configured to perform a load start based on the start command sent by the control device 410 and the torque provided by the first power device 420.

In an embodiment of the present application, a system for remote on-load starting of an engine may include a control device 410, a first power device 420, and a second power device 430. The control device 410 communicates with a first power device 420 and a second power device 430, respectively. The first power plant 420 may be configured to output torque according to a torque mode command sent by the control device 410. The second power device 430 may be configured to perform a load launch based on the launch command sent by the control device 410 and the torque provided by the first power device 420.

In the embodiment of the present application, the control device 410 sends a working instruction to the first power device 420 when receiving the on-load start instruction. The control device 410 determines whether the torque output by the first power device 420 meets a first target torque and whether the DCDC module is in an operating state. In the case that it is determined that the torque output by the first power device 420 meets the first target torque and the DCDC module is in an operating state, a start command is sent to the second power device 430 to control the second power device 430 to perform load start.

Fig. 5 schematically shows a structural view of a first power unit according to an embodiment of the present application. As shown in fig. 5, in an embodiment of the present application, the first power device 420 may include:

A DCDC module 421 configured to output a current;

a motor controller 422 configured to control the assist motor 423 to output torque according to an instruction of the control device 410;

a booster motor 423, in communication with the motor controller 422, configured to output torque according to a control instruction of the motor controller 422;

the power battery 424 is connected to the DCDC module 421 and the motor controller 422, respectively, and configured to supply current to the DCDC module 421 and the motor controller 422.

Specifically, the first power device 420 may include a DCDC module 421, a motor controller 422, a booster motor 423, and a power battery 424. The power battery 424 may be connected to the DCDC module 421 and the motor controller 422, respectively, and configured to supply current to the DCDC module 421 and the motor controller 422. The motor controller 422 may be in communication with the assist motor 423. The motor controller 422 is configured to control the assist motor 423 to output torque according to an instruction of the control device 410. The assist motor 423 is configured to output torque according to a control instruction of the motor controller 422. The first power device 420 can provide power-assisted torque for the engine of the second power device 430, reduce the load of the starter, and can also cooperate with the low-voltage storage battery to provide electric energy, and by increasing the voltage value, the working current of the starter and the output current of the low-voltage storage battery can be reduced, so as to achieve the purpose of prolonging the service lives of the starter and the low-voltage storage battery.

Fig. 6 schematically shows a structural view of a second power unit according to an embodiment of the present application. As shown in fig. 6, in an embodiment of the present application, the second power device 430 may include:

An engine controller 431 configured to send control instructions to the engine 434 and the starter 433;

a low voltage battery 432 configured to provide power;

A starter 433 connected to the engine controller 431 and the low voltage battery 432, respectively, configured to rotate and drag the engine 434 to rotate according to the control signal;

An engine 434, in communication with the engine controller 431 and connected to the starter 433, is configured to rotate following rotation of the starter 433.

Specifically, second power plant 430 may include an engine controller 431, a low-voltage battery 432, a starter 433, and an engine 434. The low-voltage battery 432 is connected to a starter 433. The engine 434 communicates with an engine controller 431 and is connected to a starter 433. The engine controller 431 is configured to send control instructions to the engine 433. The low voltage battery 432 is configured to provide power. The starter 433 is configured to rotate and drag the engine 434 to rotate according to the power supply. The engine 434 is configured to rotate following the rotation of the starter 433. In the case where it is determined that the torque output from the first power device 420 satisfies the first target torque and the DCDC module 421 is in an operating state, the control device 430 sends a start command to the engine controller 431 in the second power device 423 to control the starter 433 to be connected to the engine 434 through the engine controller 431. And drives the starter 433 to rotate through the low-voltage battery 432 to drag the engine 434 to rotate. And judging whether the rotating speed of the engine 434 is larger than the starting rotating speed, and judging that the engine on-load starting is successful under the condition that the rotating speed of the engine 434 is larger than the starting rotating speed.

Fig. 7 schematically illustrates a block diagram of a system for remote on-load starting of an engine in accordance with an embodiment of the present application. As shown in fig. 7, an embodiment of the present application provides a system for remote on-load starting of an engine, which includes a control system 710 (i.e., the control device of the present application), a first power system 720 (i.e., the first power device of the present application), a second power system 730 (i.e., the second power device of the present application), a gearbox 740, and a power coupling device 750.

The first power system 720 includes a DCDC721, a power battery 722, a motor controller 723, and a booster motor 724. The second power system 730 includes a low-voltage battery 731, an ECU732 (i.e., an engine controller in the present application), a generator 733, a starter 734, and an engine 735. When the control system 710 receives a remote load starting requirement of the remote controller, a torque mode command is sent to the motor controller 723, an enabling requirement is sent to the DCDC721 at the same time, after the feedback state of the booster motor 724 is the torque mode, the booster target torque t_dmax is started, when the feedback actual torque of the booster motor is t_dmax and the feedback state of the DCDC721 is in the working state, the control system 710 sends a starting command to the engine ECU732, when the engine speed is greater than the starting speed n_e+200rpm, the control system 710 sends a main target torque of 0 to the motor controller 723, the working mode is the rotating speed mode, and the control system 710 sends a DCDC closing command to the first power system 720. The motor-assisted mode can realize remote load starting of the engine, DCDC is added in the system architecture, discharging current is supplied to the remote load starting and the low-voltage storage battery together, so that output current of the low-voltage storage battery can be reduced, the discharging current of the low-voltage storage battery is reduced, the discharging duration of the low-voltage storage battery is shortened, and the service life of the low-voltage storage battery is greatly prolonged.

In an embodiment of the present application, a machine-readable storage medium having stored thereon instructions for causing a machine to perform a method for remote on-load starting of an engine according to the above is provided.

It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.

Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims

1. A method of remote on-load starting of an engine, applied to a control device in communication with a first power plant and a second power plant, respectively, the first power plant including a DCDC module, the method comprising:

Under the condition of receiving a load starting instruction, sending a working instruction to the DCDC module;

Sending a starting instruction to the second power device to control the second power device to start under load under the condition that the torque output by the first power device meets the first target torque and the DCDC module is in a working state;

the first power plant further includes a motor controller and a booster motor, the motor controller in communication with the booster motor, the method further comprising:

Transmitting a torque mode command to the motor controller to control the booster motor to output torque through the motor controller;

The second power device comprises an engine controller, an engine, a starter and a low-voltage storage battery, wherein the engine is respectively communicated with the engine controller and the starter, the low-voltage storage battery is respectively connected with the engine controller, the engine and the starter, and the sending of a starting instruction to the second power device so as to control the second power device to carry out load starting comprises the following steps:

sending a starting instruction to the engine controller so as to control a starter to be connected with the engine through the engine controller;

Driving the starter to rotate through the low-voltage storage battery so as to drag the engine to rotate;

judging whether the rotating speed of the engine is larger than the starting rotating speed or not;

2. The method according to claim 1, wherein the method further comprises:

and under the condition that the dragging time exceeds the preset time, controlling the starter to be separated from the engine.

3. The method according to claim 1, wherein the method further comprises:

controlling the torque of the first power device to be reduced to a second target torque, which is smaller than the first target torque, under the condition that the engine load starting is successful;

and sending a closing instruction to the DCDC module.

4. A control apparatus, characterized by comprising:

a memory configured to store instructions, and

A processor configured to invoke the instructions from the memory and when executing the instructions is capable of implementing the method of remote on-load starting of an engine according to any of claims 1 to 3.

5. A system for remote on-load starting of an engine, comprising:

the control device according to claim 4;

6. The system of claim 5, wherein the first power plant comprises:

A DCDC module configured to output a current;

The power-assisted motor is communicated with the motor controller and is configured to output torque according to a control instruction of the motor controller;

7. The system of claim 5, wherein the second power plant comprises:

A low voltage battery configured to provide power;

the starter is respectively connected with the engine controller and the low-voltage storage battery and is configured to rotate and drag the engine to rotate according to a control signal;

the engine, in communication with the engine controller and in communication with the starter, is configured to rotate following rotation of the starter.

8. A machine-readable storage medium having stored thereon instructions for causing a machine to perform the method of remote on-load starting of an engine according to any one of claims 1 to 3.