Diesel power generation electric drive whole vehicle system and vehicle
阅读说明:本技术 一种柴油发电的电驱整车系统及车辆 (Diesel power generation electric drive whole vehicle system and vehicle ) 是由 冯江华 梅文庆 黄佳德 连国一 文宇良 郑汉锋 曾小凡 胡亮 周志宇 罗源 于 2018-07-23 设计创作,主要内容包括:本发明公开了一种柴油发电的电驱整车系统及车辆,包括:控制器,用于在接收到第一触发指令后生成第一状态指令,在接收到第二触发指令后生成第二状态指令,在接收到第三触发指令后生成第三状态指令;包括多套绕组的多绕组电机,用于在接收到第一状态指令后输出第一能量;在接收到第二状态指令后输出第二能量;在接收到第三状态指令后输出目标能量;储能装置,用于在接收到第一状态指令,为多绕组电机供电,还用于接收目标能量。本发明通过控制器控制多绕组电机运行于电动状态,来带动柴油机运行至怠速,在柴油机启动后,在通过控制器控制多绕组电机实现发电状态输出稳定的电能,减少电驱整车系统的成本及占用空间。(The invention discloses an electrically driven vehicle system and a vehicle with diesel power generation, comprising: the controller is used for generating a first state instruction after receiving the first trigger instruction, generating a second state instruction after receiving the second trigger instruction, and generating a third state instruction after receiving the third trigger instruction; the multi-winding motor comprises a plurality of sets of windings and is used for outputting first energy after receiving a first state instruction; outputting second energy after receiving a second state instruction; outputting the target energy after receiving the third state instruction; and the energy storage device is used for supplying power to the multi-winding motor when receiving the first state instruction and is also used for receiving target energy. The controller controls the multi-winding motor to operate in an electric state to drive the diesel engine to operate to an idle speed, and after the diesel engine is started, the controller controls the multi-winding motor to output stable electric energy in a power generation state, so that the cost and the occupied space of an electric drive whole vehicle system are reduced.)
1. An electrically driven vehicle system for diesel power generation, comprising:
the controller is used for generating a first state instruction after receiving the first trigger instruction, generating a second state instruction after receiving the second trigger instruction, and generating a third state instruction after receiving the third trigger instruction;
the multi-winding motor comprises a plurality of sets of windings and is used for outputting first energy after receiving the first state instruction so as to drive the diesel engine to run to an idle speed; outputting second energy after receiving the second state instruction so as to charge an energy storage device; outputting target energy after receiving the third state instruction so as to realize stable power generation of the multi-winding motor;
and the energy storage device is used for supplying power to the multi-winding motor when receiving the first state instruction and is also used for receiving the target energy.
2. The diesel-electric vehicle drive system of claim 1, further comprising:
and the energy management module is used for detecting the electric quantity of the storage battery and judging whether the electric quantity meets a first preset value, if not, generating the second trigger instruction, and if so, generating the third trigger instruction.
3. The diesel-electric vehicle drive system of claim 1, further comprising:
and the rotating speed management module is used for detecting the rotating speed of the diesel engine, judging whether the rotating speed meets the idle speed or not, and if not, generating the first trigger instruction.
4. The diesel-electric drive vehicle system of claim 1, wherein the controller comprises a converter having a plurality of sets of switching elements;
each set of the switch units is used for outputting voltage pulses to the windings corresponding to the switch units one by one after receiving the switch pulse signals so as to control the output power of the windings corresponding to the switch units one by one, wherein the switch pulse signals received by all the switch units are the same.
5. The diesel-electric drive vehicle system of claim 1, wherein the controller comprises a converter having a plurality of control chips;
each control chip is used for acquiring the electric quantity information of the windings corresponding to the control chip one by one and sending the electric quantity information to other control chips; and the control chip is also used for adjusting the output power of the windings corresponding to the control chip one by one according to the received electric quantity information sent by other control chips.
6. A diesel-electric drive vehicle system according to claim 4 or 5, characterized in that the converter is a four-drive module converter.
7. The diesel-electric vehicle system of claim 1, the energy storage device comprising a battery, DCDC, and further comprising a super capacitor, an input of the super capacitor being coupled to the controller, an output of the super capacitor being coupled to the input of the DCDC, an output of the DCDC being coupled to the input of the battery;
and the super capacitor is used for buffering energy.
8. The diesel-electric drive vehicle system of claim 4, wherein the switching unit comprises an Insulated Gate Bipolar Transistor (IGBT).
9. A diesel-electric drive vehicle system according to any of claim 1, wherein the multi-winding electric machine is a double-winding permanent magnet synchronous machine.
10. A vehicle comprising a diesel-electric vehicle system according to any one of claims 1-9.
Technical Field
The invention relates to the field of diesel power generation, in particular to an electric drive vehicle system for diesel power generation and a vehicle.
Background
At present, an electrically driven vehicle system for diesel power generation mainly comprises a diesel engine, a generator, a storage battery, a DCDC converter, a converter and an energy management system, wherein the storage battery and the DCDC converter form an energy storage device. For the whole vehicle system with megawatt power output, considering that the volume of a generator is in direct proportion to the capacity of a single machine, if one generator is selected to be installed, the volume of the megawatt single machine capacity generator is too large, if two generators are selected to be installed for reducing the capacity of a single machine, the number of diesel engines must be increased to ensure that each generator has one diesel engine corresponding to the generator one by one, the design cost and the volume of the whole vehicle system with electric drive are increased, a low-voltage direct-current starting motor and a mechanical gearbox are generally needed to drive the diesel engine to run to an idle speed (the lowest rotating speed for starting the diesel engine) when the diesel engine is started, the connection between the low-voltage direct-current starting motor and the diesel engine needs to be cut off after the diesel engine is started, and therefore, unnecessary waste is caused during the design.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an electric drive vehicle system for diesel power generation and a vehicle.
In order to solve the technical problem, the invention provides an electric drive whole vehicle system for diesel power generation, which comprises:
the controller is used for generating a first state instruction after receiving the first trigger instruction, generating a second state instruction after receiving the second trigger instruction, and generating a third state instruction after receiving the third trigger instruction;
the multi-winding motor comprises a plurality of sets of windings and is used for outputting first energy after receiving the first state instruction so as to drive the diesel engine to run to an idle speed; outputting second energy after receiving the second state instruction so as to charge an energy storage device; outputting target energy after receiving the third state instruction so as to realize stable power generation of the multi-winding motor;
and the energy storage device is used for supplying power to the multi-winding motor when receiving the first state instruction and is also used for receiving the target energy.
Preferably, this electrically drive entire vehicle system still includes:
and the energy management module is used for detecting the electric quantity of the storage battery and judging whether the electric quantity meets a first preset value, if not, generating the second trigger instruction, and if so, generating the third trigger instruction.
Preferably, this electrically drive entire vehicle system still includes:
and the rotating speed management module is used for detecting the rotating speed of the diesel engine, judging whether the rotating speed meets the idle speed or not, and if not, generating the first trigger instruction.
Preferably, the controller comprises a current transformer provided with a plurality of sets of switch units;
each set of the switch units is used for outputting voltage pulses to the windings corresponding to the switch units one by one after receiving the switch pulse signals so as to control the output power of the windings corresponding to the switch units one by one, wherein the switch pulse signals received by all the switch units are the same.
Preferably, the controller comprises a current transformer provided with a plurality of control chips;
each control chip is used for acquiring the electric quantity information of the windings corresponding to the control chip one by one and sending the electric quantity information to other control chips; and the control chip is also used for adjusting the output power of the windings corresponding to the control chip one by one according to the received electric quantity information sent by other control chips.
Preferably, the converter is a four-drive module converter.
Preferably, the energy storage device comprises a storage battery and a DCDC, and further comprises a super capacitor, an input end of the super capacitor is connected with the controller, an output end of the super capacitor is connected with an input end of the DCDC, and an output end of the DCDC is connected with an input end of the storage battery;
and the super capacitor is used for buffering energy.
Preferably, the switch unit includes an insulated gate bipolar transistor IGBT.
Preferably, the multi-winding motor is a double-winding permanent magnet synchronous motor.
In order to solve the technical problem, the invention further provides a vehicle which comprises the diesel power generation electric drive vehicle system.
The invention provides an electrically-driven whole vehicle system for diesel power generation, which comprises: the controller is used for generating a first state instruction after receiving the first trigger instruction, generating a second state instruction after receiving the second trigger instruction, and generating a third state instruction after receiving the third trigger instruction; the multi-winding motor comprises a plurality of sets of windings and is used for outputting first energy after receiving a first state instruction so as to drive the diesel engine to run to an idle speed; outputting second energy after receiving the second state instruction so as to charge the energy storage device; outputting target energy after receiving a third state instruction so as to realize stable power generation of the multi-winding motor; and the energy storage device is used for supplying power to the multi-winding motor when receiving the first state instruction and is also used for receiving target energy.
Therefore, in practical application, the multi-winding motor with large output torque is used as power generation equipment in an electric vehicle system for diesel power generation, the controller is used for controlling the multi-winding motor to operate in an electric state to drive the diesel engine to operate to an idle speed, and after the diesel engine is started, the controller is used for controlling the multi-winding motor to operate in a power generation state to output target energy, so that stable power generation of the multi-winding motor is realized, a low-voltage direct-current starting motor and a mechanical gearbox are omitted, and the cost and the occupied space of the electric vehicle system for diesel power generation are reduced.
The invention also provides a vehicle which has the same beneficial effects as the electric drive vehicle system for generating electricity by using the diesel oil.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a diesel-electric drive vehicle system provided by the present invention;
FIG. 2 is a schematic diagram of another diesel-electric vehicle system according to the present invention;
FIG. 3 is a schematic diagram of another diesel-electric vehicle system according to the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of a diesel-electric drive vehicle system provided by the present invention;
FIG. 5 is a schematic structural diagram of an alternative diesel-electric drive vehicle system in accordance with the present invention;
FIG. 6 is a schematic structural diagram of an alternative diesel-electric drive vehicle system in accordance with the present invention;
fig. 7 is a schematic structural diagram of another embodiment of a diesel-electric power-generating electric propulsion system provided by the present invention.
Detailed Description
The core of the invention is to provide an electrically driven vehicle system and a vehicle with diesel power generation, the controller controls the multi-winding motor to operate in an electric state to drive the diesel engine to operate to an idle speed, and after the diesel engine is started, the controller controls the multi-winding motor to realize the power generation state to output stable electric energy, thereby reducing the cost and the occupied space of the electrically driven vehicle system with diesel power generation.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electrically driven vehicle system with diesel power generation provided in the present invention, including:
the
the
and the
Specifically, the operating state of the
It should be noted that the
Because the
Accordingly, the first trigger command, the second trigger command and the third trigger command in the present invention can be understood as selection commands of an operation state and an operation mode, specifically, after receiving the first trigger command, the
In summary, the
The first trigger instruction, the second trigger instruction and the third trigger instruction may be sent by an operator, or may be sent by other modules in an electric drive vehicle system.
The invention provides an electrically-driven whole vehicle system for diesel power generation, which comprises: the controller is used for generating a first state instruction after receiving the first trigger instruction, generating a second state instruction after receiving the second trigger instruction, and generating a third state instruction after receiving the third trigger instruction; the multi-winding motor comprises a plurality of sets of windings and is used for outputting first energy after receiving a first state instruction so as to drive the diesel engine to run to an idle speed; outputting second energy after receiving the second state instruction so as to charge the energy storage device; outputting target energy after receiving a third state instruction so as to realize stable power generation of the multi-winding motor; and the energy storage device is used for supplying power to the multi-winding motor when receiving the first state instruction and is also used for receiving target energy.
Therefore, in practical application, the multi-winding motor with large output torque is used as power generation equipment in an electric vehicle system for diesel power generation, the controller is used for controlling the multi-winding motor to operate in an electric state to drive the diesel engine to operate to an idle speed, and after the diesel engine is started, the controller is used for controlling the multi-winding motor to operate in a power generation state to output target energy, so that stable power generation of the multi-winding motor is realized, a low-voltage direct-current starting motor and a mechanical gearbox are omitted, and the cost and the occupied space of the electric vehicle system for diesel power generation are reduced.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another diesel-powered electric vehicle system provided in the present invention, the electric vehicle system is based on the above embodiment:
as a preferred embodiment, the electrically driven vehicle system further comprises:
and the
Specifically, at the beginning of the whole electric drive whole vehicle system starting, the
Referring to fig. 3, fig. 3 is a schematic structural diagram of another diesel-powered electric vehicle system provided in the present invention, the electric vehicle system is based on the above embodiment:
as a preferred embodiment, the electrically driven vehicle system further comprises:
and the rotating
Specifically, the first trigger instruction may be sent by an operator, that is, the operator determines whether the
As a preferred embodiment, the
each set of switch units is used for outputting voltage pulses to the windings corresponding to the switch units one by one after receiving the switch pulse signals so as to control the output power of the windings corresponding to the switch units one by one, wherein the switch pulse signals received by all the switch units are the same.
As a preferred embodiment, the switching unit comprises an insulated gate bipolar transistor IGBT.
Specifically, because the
As a preferred embodiment, the
each control chip is used for acquiring the electric quantity information of the windings corresponding to the control chip one by one and sending the electric quantity information to other control chips; and the control circuit is also used for adjusting the output power of the windings corresponding to the control chip according to the received electric quantity information sent by other control chips.
Specifically, because the
As a preferred embodiment, the converter is a four-drive module converter.
Specifically, on the basis of the above embodiment, a four-drive module converter may also be adopted, and by using the characteristic of fast information interaction between control chips, a more accurate tube (IGBT switching tube) level energy transfer control strategy is adopted, taking a double-winding permanent magnet motor as an example, the multi-machine cooperative control of the four-drive module converter is shown in fig. 6, and the control strategy is as follows: using side pulse switching state and duration S of rear-end motor in electric drive vehicle system13~24,T13~24And a voltage V across the intermediate capacitordcAnd an intermediate direct current IdcCalculating the pulse switch state and the duration S of two windings of the double-winding permanent magnet motor at the front end of the electric drive vehicle system13~24,T13~24. The switch states and the duration time of two sets of switch units on the double-winding permanent magnet motor side (marked as the generator side) are completely the same.
Specifically, referring to fig. 7, a command is given by the motor, the command given by the motor generally refers to outputting a preset newton force, then the command given by the motor is converted into an output pulse command through a control algorithm in the motor converter to control the switching state and the duration of each IGBT switching tube on the motor side, the switching state and the duration of each IGBT switching tube on the generator side are determined according to a switching state time function on the generator side, and each IGBT switching tube on the dual-winding permanent magnet motor side is controlled to execute the switching state and the duration thereof according to the switching state and the duration, it can be understood that there is a one-to-one correspondence relationship between the switching state and the duration thereof and the output voltage pulse, which is described with the IGBT switching tube in fig. 6, and the switching state of the switching tube S1 is closed, the duration time is 1S, the switching tube S2 is closed, the duration time is 1S, the switching tube S3 is closed, the duration time is 1S, the other switching tubes on the generator side are all opened, the duration time is 1S, the first voltage pulse is output at this time, the switching tube S1 is closed, the duration time is 1S, the switching tube S2 is closed, the duration time is 2S, the switching tube S3 is closed, the duration time is 1S, the other switching tubes on the generator side are all opened, the duration time is 1S, and the second voltage pulse is output at this time. Correspondingly, the tube-level energy management and control method of the four-drive module converter can realize more accurate energy control and reduce the requirement of the electric drive vehicle system on the type selection of the charging and discharging performance of the storage battery.
As a preferred embodiment, the
and the super capacitor is used for buffering energy.
Specifically, the storage battery or the power storage battery pack can be used, the power storage battery pack, a DCDC (direct current-direct current converter) and a super capacitor form a large battery system capable of charging and discharging, wherein the super capacitor is used as an energy buffer device and used for buffering capacitor voltage fluctuation caused by a motor and a generator, and specifically, the super capacitor can reduce overvoltage phenomena caused by electric quantity saturation of the storage battery and undervoltage phenomena caused by untimely reaction of the
As a preferred embodiment, the
Specifically, the double-winding permanent magnet synchronous motor is high in power density and large in output torque, and meanwhile, the electric vehicle driving system provided by the invention adopts the double-winding synchronous motor, so that the size and the cost of the electric vehicle driving system are greatly reduced.
Of course, other
Accordingly, the invention also provides a vehicle comprising a diesel-electric vehicle system as in any of the above.
For the description of the vehicle provided by the present invention, please refer to the above embodiments, and the description of the present invention is omitted here.
Specifically, the electric drive whole vehicle system provided by the invention is not only suitable for vehicles, but also suitable for all systems using diesel and electric power, such as ships, submarines and the like.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
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