CN111845596A - New energy vehicle power system integrated control method and device and central control panel - Google Patents
New energy vehicle power system integrated control method and device and central control panel Download PDFInfo
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- CN111845596A CN111845596A CN202010871054.0A CN202010871054A CN111845596A CN 111845596 A CN111845596 A CN 111845596A CN 202010871054 A CN202010871054 A CN 202010871054A CN 111845596 A CN111845596 A CN 111845596A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
Abstract
The disclosure relates to a new energy vehicle power system integrated control method and device and a central control panel. This new energy vehicle driving system integrated control device includes: central control panel, whole car module and main power drive module that drives, wherein: the new energy vehicle power system integrated control device is a central control framework taking a central control panel as a core; the central control panel is connected with the whole vehicle module and the main drive power driving module; the central control panel is used for integrating the whole vehicle control function and the main drive control function of the new energy vehicle into one central control panel, and the central control panel is an integrated controller of a power system of the new energy vehicle. According to the novel energy vehicle power system, the control modules of the novel energy vehicle power system are deeply integrated into a central frame structure taking a central control panel as a core, so that the safety and reliability of the system are improved, and the installation space is saved.
Description
Technical Field
The disclosure relates to the field of new energy vehicles, in particular to a new energy vehicle power system integrated control method and device and a central control panel.
Background
The electric automobile has the advantages of low noise, environmental protection, no pollution, capability of recovering braking energy and the like, and becomes a hot point of research at home and abroad. The most critical core technology of electric vehicles is focused on power controller systems. Related-art power systems usually adopt a distributed control mode, different components adopt independent control modules, some controllers are even dozens of controllers, and the control modules are connected through a CAN communication system.
The distributed control System of the electric Vehicle in the related art is composed of a VCU (Vehicle Controller Unit), a drive five-in-one Controller, a BMS (Battery Management System), and a PDU (power distribution Unit). The control modules are connected through a Controller Area Network (CAN) communication system, wherein the drive five-in-one Controller comprises a main drive Controller, an oil pump Controller, an air pump Controller, a direct current/direct current (DC/DC) converter and a Power Distribution Unit (PDU) output part (output to a load relay and a contactor for power-on control detection); the Battery management system is mainly composed of a BCU (Battery Control Unit) and a plurality of BMUs (Battery Monitor units).
Disclosure of Invention
The inventor discovers through research and development that: although the distributed control framework makes each control unit "make the best of others", the time for signal transmission is increased, which results in communication time delay and poor system stability; the control modules are complex in hierarchy, so that the power system has multiple risk points and low safety performance; data among the controllers are completely communicated through the CAN bus, the wiring harness occupies too much space, and the CAN bus cannot meet the requirement of large data transmission of intelligent networking of vehicles.
In view of at least one of the above technical problems, the present disclosure provides an integrated control method and apparatus for a new energy vehicle power system, and a central control panel, which deeply integrate each control module of the new energy vehicle power system into a central frame structure with the central control panel as a core, thereby improving the safety and reliability of the system.
According to one aspect of the present disclosure, a central control panel is provided, wherein the central control panel is a new energy vehicle powertrain integrated controller;
and the central control board is used for integrating the whole vehicle control function and the main drive control function of the new energy vehicle into one central control board.
In some embodiments of the present disclosure, a central control board for integrating at least one of an oil pump control function, an air pump control function, a battery management control function, and a power distribution control function of a new energy vehicle into the central control board.
In some embodiments of the present disclosure, a central control panel for centralized energy management control of the new energy vehicle.
According to another aspect of the present disclosure, an integrated control device for a new energy vehicle power system is provided, which includes a central control board, a whole vehicle module and a main drive power driving module, wherein:
the new energy vehicle power system integrated control device is a central control framework taking a central control panel as a core;
the central control panel is connected with the whole vehicle module and the main drive power driving module;
the central control panel is the central control panel according to any of the above embodiments.
In some embodiments of the present disclosure, the central control board is configured to perform vehicle energy calculation and send a main drive control signal to the main drive power driving module;
and the main drive power driving module is used for amplifying the main drive control signal, controlling the main motor to output specified torque and rotating speed according to the main drive control signal and realizing the driving of the vehicle.
In some embodiments of the present disclosure, the entire vehicle module includes at least one component system of an accelerator pedal, a gear, a brake pedal, an instrument, an air conditioning system, a warm air system, a vehicle event data recorder, and a global positioning system host;
the whole vehicle module is used for sending vehicle control signals to the central control panel;
and the central control board is used for carrying out vehicle centralized management control according to the vehicle control signals of the whole vehicle module.
In some embodiments of the disclosure, the new energy vehicle powertrain integrated control apparatus further comprises an oil pump power driving module, wherein:
the central control board is connected with the oil pump power driving module;
the central control board is used for sending an oil pump control signal to the oil pump power driving module;
and the oil pump power driving module is used for amplifying an oil pump control signal, driving the stable operation of an oil pump motor and realizing the power-assisted steering function of the new energy vehicle.
In some embodiments of the disclosure, the new energy vehicle powertrain integrated control apparatus further comprises an air pump power driving module, wherein:
the central control board is connected with the air pump power driving module;
the central control board is used for sending an air pump control signal to the air pump power driving module;
and the air pump power driving module is used for amplifying the air pump control signal, driving the stable operation of the air pump motor and realizing the braking function and the door closing function of the new energy vehicle.
In some embodiments of the disclosure, the new energy vehicle powertrain integrated control apparatus further comprises a battery detection system, wherein:
the central control panel is connected with the battery detection system;
the battery detection system is used for acquiring battery related signals and sending the battery related signals to the central control panel;
and the central control board is used for carrying out battery management control according to the battery related signals.
In some embodiments of the disclosure, the new energy vehicle powertrain integrated control apparatus further comprises a power distribution control module, wherein:
the power distribution control module comprises a power distribution switch;
and the central control board is used for controlling the on-off and power-on detection of the power distribution switch through the IO channel switch.
According to another aspect of the disclosure, there is provided a new energy vehicle power system integrated control method, including:
and the central control panel performs integrated control of vehicle control and main drive control on the new energy vehicle.
In some embodiments of the disclosure, the new energy vehicle powertrain integrated control method further comprises:
the central control board performs integrated control of at least one of oil pump control, air pump control, battery management control and power distribution control on the new energy vehicle.
In some embodiments of the present disclosure, the master control of the new energy vehicle by the central control board includes:
the central control board carries out the energy calculation of the whole vehicle;
the central control board sends a main drive control signal to the main drive power driving module so as to control the main motor to output specified torque and rotating speed, and the driving of the vehicle is realized.
In some embodiments of the present disclosure, the controlling the new energy vehicle by the central control board includes:
and the central control board performs vehicle centralized management control according to the vehicle control signals sent by the whole vehicle module.
In some embodiments of the present disclosure, the integrated control of the new energy vehicle by the central control board for at least one of oil pump control, air pump control, battery management control, and power distribution control includes:
the central control board sends an oil pump control signal to the oil pump power driving module to drive the stable running of an oil pump motor, and the steering power-assisted function of the new energy vehicle is realized.
In some embodiments of the present disclosure, the integrated control of the new energy vehicle by the central control board for at least one of oil pump control, air pump control, battery management control, and power distribution control includes:
the central control board sends an air pump control signal to the air pump power driving module to drive the stable running of the air pump motor, and the braking function and the door closing function of the new energy vehicle are realized.
In some embodiments of the present disclosure, the integrated control of the new energy vehicle by the central control board for at least one of oil pump control, air pump control, battery management control, and power distribution control includes:
and the central control board performs battery management control according to the battery related signals acquired by the battery detection system.
In some embodiments of the present disclosure, the integrated control of the new energy vehicle by the central control board for at least one of oil pump control, air pump control, battery management control, and power distribution control includes:
the central control board controls the on-off and power-on detection of the power distribution switch in the power distribution control module through the IO channel switch.
According to another aspect of the present disclosure, there is provided a central control panel including:
a memory to store instructions;
a processor configured to execute the instructions to cause the central control board to perform operations to implement the new energy vehicle powertrain integrated control method as in any of the embodiments described above.
According to another aspect of the present disclosure, a computer readable storage medium is provided, wherein the computer readable storage medium stores computer instructions, which when executed by a processor, implement the new energy vehicle powertrain integrated control method according to any one of the embodiments described above.
According to the novel energy vehicle power system, the control modules of the novel energy vehicle power system are deeply integrated into a central frame structure taking a central control panel as a core, so that the safety and reliability of the system are improved, and the installation space is saved.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of some embodiments of an integrated control device of a powertrain of a new energy vehicle according to the present disclosure.
Fig. 2 is a schematic diagram of the connection between the central control board and the battery detection system according to some embodiments of the present disclosure.
FIG. 3 is a schematic diagram of some embodiments of a new energy vehicle powertrain integrated control method of the present disclosure.
FIG. 4 is a schematic diagram of another embodiment of the integrated control method for the powertrain of the new energy vehicle according to the disclosure.
Fig. 5 is a schematic diagram of some embodiments of a central control panel of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of some embodiments of an integrated control device of a powertrain of a new energy vehicle according to the present disclosure. As shown in fig. 1, the new energy vehicle power system integrated control apparatus of the present disclosure may include a central control board 1, a complete vehicle module 2, and a main drive power driving module 3, wherein:
as shown in fig. 1, the new energy vehicle powertrain integrated control device is a central control framework with a central control panel 1 as a core.
In some embodiments of the present disclosure, the new energy vehicle may be an electric automobile.
In some embodiments of the present disclosure, the new energy vehicle may be a new energy commercial vehicle.
In some embodiments of the present disclosure, the central control panel 1 is a new energy vehicle powertrain integrated controller.
In some embodiments of the present disclosure, the central control board 1 may be implemented as an MCU (micro controller unit).
As shown in fig. 1, a central control board 1 is connected to a vehicle module 2, and the central control board 1 is connected to a main drive power driving module 3.
In some embodiments of the present disclosure, the new energy vehicle powertrain integrated control apparatus of the present disclosure may be used to integrate the entire vehicle control function and the main drive control function of the new energy vehicle into one central control board 1.
In some embodiments of the present disclosure, as shown in fig. 1, the new energy vehicle powertrain integrated control apparatus of the present disclosure may include an oil pump power driving module 4, an air pump power driving module 5, a battery detection system (BMU)6, and a power distribution control (PDU) module 7.
In some embodiments of the present disclosure, the central control board 1 may further be configured to integrate at least one of control functions of an oil pump control function, an air pump control function, a battery management control function, and a power distribution control function of the new energy vehicle into the central control board 1.
In some embodiments of the present disclosure, the central control panel 1 may be used to perform centralized energy management control of the new energy vehicle.
In some embodiments of the present disclosure, the central control board 1 may be used to receive and send signals, perform algorithm processing centrally, and have a strong data processing and running capability.
The above embodiments of the present disclosure integrate the software algorithm and hardware synchronization depth of the main controller part in the related art of the entire vehicle, the main drive, the oil pump, the air pump, the PDU, and the BMS into one central control board without a plurality of independent controllers.
The following describes in detail a number of control functions integrated by the central control board 1 with reference to fig. 1:
the first and the second central control panels 1 have the whole vehicle control function.
In some embodiments of the present disclosure, the entire vehicle control function of the new energy vehicle power system integrated control device is integrated in the central control board 1.
In some embodiments of the present disclosure, as shown in fig. 1, the entire vehicle module 2 is connected to the central control board 1 through a Controller Area Network (CAN) communication manner.
And the whole vehicle module 2 is used for sending vehicle control signals to the central control panel 1.
And the central control board 1 is used for carrying out vehicle centralized management control according to the vehicle control signals of the whole vehicle module 2.
In some embodiments of the present disclosure, the entire vehicle module 2 may include at least one of an accelerator pedal, a gear, a brake pedal, an instrument, an air conditioning System, a warm air System, a vehicle data recorder, a Global Positioning System (GPS) host, and other component systems.
Second, the main drive control function of the central control panel 1.
In some embodiments of the present disclosure, the main drive control function of the new energy vehicle powertrain integrated control apparatus is integrated in the central control board 1.
In some embodiments of the present disclosure, the central control board 1 is connected with the main drive power drive module 3. The main drive power drive module 3 is connected with a main motor.
In some embodiments of the present disclosure, as shown in fig. 1, the central control board 1 is connected to the main driving power driving module 3 by a PWM (Pulse width modulation) control manner.
The central control board 1 is configured to send a main drive control signal to the main drive power driving module 3, where the main drive control signal may be a PWM signal.
And the main drive power driving module 3 is used for amplifying the main drive control signal and controlling the main motor to output the specified torque and rotating speed according to the driving instruction (main drive control signal) so as to realize the driving of the vehicle.
Third, the oil pump control function of the central control panel 1.
In some embodiments of the present disclosure, the oil pump control function of the new energy vehicle powertrain integrated control device is integrated in the central control board 1.
In some embodiments of the present disclosure, the central control board 1 is connected with the oil pump power driving module 4; the oil pump power driving module 4 is connected with an oil pump motor.
In some embodiments of the present disclosure, as shown in fig. 1, the central control board 1 and the oil pump power driving module 4 may be connected by a PWM control manner.
And the central control board 1 is used for sending an oil pump control signal to the oil pump power driving module 4, wherein the oil pump control signal can be a PWM signal.
And the oil pump power driving module 4 is used for amplifying an oil pump control signal, driving the stable operation of an oil pump motor and realizing the power-assisted steering function of the new energy vehicle.
Fourth, the oil pump control function of the central control panel 1.
In some embodiments of the present disclosure, the air pump control function of the new energy vehicle powertrain integrated control device is integrated in the central control panel 1.
In some embodiments of the present disclosure, the central control board 1 is connected with the air pump power driving module 5; the air pump power driving module 5 is connected with an air pump motor.
In some embodiments of the present disclosure, as shown in fig. 1, the central control board 1 and the air pump power driving module 5 may be connected by a PWM control manner.
And the central control board 1 is used for sending an air pump control signal to the air pump power driving module 5, wherein the air pump control signal can be a PWM signal.
And the air pump power driving module 5 is used for amplifying the air pump control signal, driving the stable operation of the air pump motor, and realizing the air pump control functions of braking, door closing and the like of the new energy vehicle.
Fifth, a battery management control function of the central control board 1.
In some embodiments of the present disclosure, the battery management control function of the new energy vehicle powertrain integrated control device is integrated in the central control board 1.
In some embodiments of the present disclosure, the central control board 1 is connected to the battery detection system 6, and the battery detection system 6 is connected to the battery.
In some embodiments of the present disclosure, as shown in fig. 1, the central control board 1 and the air pump power driving module 5 may be connected through a controller area network CAN communication manner.
And a battery detection system (BMU)6 for collecting the battery-related signals and transmitting the battery-related signals to the central control board 1.
In some embodiments of the present disclosure, the battery detection system 6 may be used for collecting and monitoring the voltage and current status of the Pack battery.
In some embodiments of the present disclosure, the battery related signals may include cell voltage, temperature, and bus voltage, current, etc. signals.
And the central control board 1 is used for carrying out battery management control according to the battery related signals.
In some embodiments of the present disclosure, the battery management control may include management control functions such as battery SOC (State of Charge) State estimation, equalization management, Charge and discharge management, and the like.
In some embodiments of the present disclosure, the central control board 1 and the battery test system 6 are connected by daisy chain communication.
Fig. 2 is a schematic diagram of the connection between the central control board and the battery detection system according to some embodiments of the present disclosure. As shown in fig. 2, the BMS system for internal communication daisy chain communication includes a plurality of battery test systems 61, 62, …, 6n, each of the battery test systems 61, 62, …, 6n is connected to each other through an isolation transformer, and the first and last battery test systems (the first battery test system 61 and the last battery test system 6n) are connected to the central main control board 1 through an isolation transformer and a signal converter, respectively, to form a loop. In the daisy chain ring architecture of the present disclosure, the central control board 1 is able to periodically change the direction of communication.
Therefore, compared to the CAN bus, the daisy chain communication method according to the above embodiment of the present disclosure has the following advantages: if the daisy chain is broken in the middle, the following BMU can continue to communicate and transmit data as usual. The above-described embodiments of the present disclosure use daisy-chain communication not only to support communication between modules, but also to save cost over other isolation methods.
Sixth, the power distribution control function of the central control board 1.
In some embodiments of the present disclosure, the power distribution control function of the new energy vehicle powertrain integrated control device is integrated in the central control board 1.
In some embodiments of the present disclosure, the new energy vehicle powertrain integrated control apparatus further includes a power distribution control module 7, wherein:
the power distribution control module 7 includes a power distribution switch.
In some embodiments of the present disclosure, the power distribution switch may be a contactor, a relay, or the like.
The central control board 1 is configured to control on/off and power-on detection of the power distribution switch through an IO (Input/Output) channel switch.
Based on the new energy vehicle power system integrated control device provided by the embodiment of the disclosure, software algorithms and hardware synchronization depth integrated designs of a main controller part in a whole vehicle, a main drive, an oil pump, an air pump, a PDU (protocol data unit) and a BMS (battery management system) can be simultaneously carried out fine centralized energy management control, a central control framework taking a central control panel 1 as a core is formed, fine energy-saving optimization is facilitated, the installation space is saved, the cost is greatly reduced, and the safety and reliability of the system are improved; meanwhile, the requirements of vehicle networking and intelligent data rapid communication transmission are met.
Compared with a distributed scheme in the related technology, the whole vehicle electrical framework of the embodiment of the disclosure is greatly simplified, and each control module is deeply integrated into a central frame structure taking a central control panel as a core. Compared with the traditional distributed control module in the related art, the distributed control module has the following advantages:
1. the safety and reliability are high: hardware is reduced by 30%, and centralized safety monitoring is facilitated by a central control framework.
2. Save installation space: compared with the prior case controller, the control is saved by 50 percent.
3. The energy-saving design is convenient: due to the multi-task central integrated software design, the system response speed is improved by more than 10 times, and fine energy-saving optimization is facilitated.
4. The whole vehicle is convenient to use: the electrical framework of the power system is greatly reduced, and the assembly and debugging time of the whole vehicle can be shortened to 1/3 at present.
5. The vehicle networking and intelligent data rapid communication transmission requirements are met.
The embodiment of fig. 1 also discloses a central control panel 1, wherein the central control panel 1 is an integrated controller of a new energy vehicle power system.
The central control panel 1 can be used for integrating the whole vehicle control function and the main drive control function of the new energy vehicle into one central control panel 1.
In some embodiments of the present disclosure, the central control board 1 may be configured to integrate at least one of an oil pump control function, an air pump control function, a battery management control function, and a power distribution control function of the new energy vehicle into the central control board 1.
In some embodiments of the present disclosure, the central control panel 1 may be used to perform centralized energy management control of the new energy vehicle.
The central control panel provided based on the above embodiments of the present disclosure is a highly integrated controller for a power system of a commercial vehicle, and integrates the functional depths of a Vehicle Control Unit (VCU), a main drive controller, an oil pump controller, an air pump controller, a battery management controller (BCU), and a PDU main control part, thereby forming a central control framework with the central control panel as a core.
The central control board in the above embodiment of the present disclosure can send out a PWM signal through the energy calculation of the whole vehicle, and the PWM signal is amplified by the main drive power driving module to control the motor to output a specified torque and a specified rotation speed, thereby realizing the driving of the whole vehicle; the central control board sends out PWM signals, and the signals are amplified by the oil pump power driving module to realize the steering and power-holding functions of the electric automobile; the central control board sends out PWM signal, and through air pump power drive module signal amplification processing, functions such as the electric automobile's brake, door are closed are realized. The BMU sends instructions to the central control board by collecting signals of single battery voltage, temperature, bus voltage, current and the like, and performs battery SOC state estimation, balance management, charge and discharge management and the like.
The embodiment of the disclosure provides a highly integrated controller of a power system of a commercial vehicle aiming at the problem that a distributed control module in an electric vehicle in the related art causes a complex system structure, low reliability and high cost, namely, the power system controller is subjected to software and hardware synchronous integrated design and energy centralized control to form the power system integrated controller.
The inventor finds out through research that: in the prior art, the drive five-in-one controller is actually formed by a plurality of independent controllers, and each module is controlled by the respective controller respectively and is only structurally gathered together.
The integration of the controller in the above embodiments of the present disclosure not only relates to the integration of weak current parts, but also relates to the integration of strong current parts.
The PDU power distribution unit and the PDU output part in the drive five-in-one controller are integrated for the first time to realize battery charging.
The EMC electromagnetic compatibility of the above-described embodiments of the present disclosure can reach a high performance level.
The above embodiments of the present disclosure integrate the software algorithm and hardware synchronization depth of the main controller part in the whole vehicle, the main drive, the oil pump, the air pump, the PDU, and the BMS into one central control board without a plurality of independent controllers.
Compared with the prior art that CAN communication is mainly adopted among different controllers, the embodiment scheme of the disclosure adopts the central control panel and is controlled by one MCU, so that communication is effectively reduced, and response speed is improved.
Compared with the related technical scheme, the wiring harness for CAN communication of the whole vehicle is too much, the occupied space is large, and the installation space CAN be saved by the scheme of the embodiment of the disclosure.
The proposal of the embodiment scheme of the disclosure changes the architecture of the traditional new energy automobile power domain controller and lays a foundation for the next generation of the whole automobile power domain control technology.
FIG. 3 is a schematic diagram of some embodiments of a new energy vehicle powertrain integrated control method of the present disclosure. Preferably, the present embodiment may be executed by the new energy vehicle powertrain integrated control device or the central control panel (e.g., the new energy vehicle powertrain integrated control device or the central control panel of the embodiment in fig. 1) of the present disclosure. As shown in fig. 3, the new energy vehicle powertrain integrated control method of the present disclosure may include step 31, where:
and step 31, the central control panel 1 performs integrated control of vehicle control and main drive control on the new energy vehicle.
In some embodiments of the present disclosure, step 31 may comprise: the central control board 1 carries out the energy calculation of the whole vehicle; the central control board 1 sends a main drive control signal to the main drive power driving module 3 to control the main motor to output the specified torque and rotating speed, so as to realize the driving of the vehicle.
In some embodiments of the present disclosure, step 31 may comprise: the central control board 1 carries out vehicle centralized management control according to the vehicle control signals sent by the whole vehicle module 2.
FIG. 4 is a schematic diagram of another embodiment of the integrated control method for the powertrain of the new energy vehicle according to the disclosure. Preferably, the present embodiment may be executed by the new energy vehicle powertrain integrated control device or the central control panel (e.g., the new energy vehicle powertrain integrated control device or the central control panel of the embodiment in fig. 1) of the present disclosure. Step 41 of the embodiment of fig. 4 is the same as or similar to step 31 of the embodiment of fig. 3. As shown in fig. 4, the new energy vehicle powertrain integrated control method of the present disclosure may include steps 41 and 42, where:
and step 41, the central control panel 1 performs integrated control of vehicle control and main drive control on the new energy vehicle.
And step 42, the central control board 1 performs integrated control of at least one of oil pump control, air pump control, battery management control and power distribution control on the new energy vehicle.
In some embodiments of the present disclosure, step 42 may comprise any one of steps 421-424, wherein:
in step 421, the central control board 1 sends an oil pump control signal to the oil pump power driving module 4 to drive the oil pump motor to run stably, so as to realize the power-assisted steering function of the new energy vehicle.
And step 422, the central control board 1 sends an air pump control signal to the air pump power driving module 5 to drive the stable operation of the air pump motor, so that the braking function and the door closing function of the new energy vehicle are realized.
Step 423, the central control board 1 performs battery management control according to the battery-related signals collected by the battery detection system 6.
In step 424, the central control board 1 controls the on/off and power-on detection of the power distribution switch in the power distribution control module 7 through the IO channel switch.
Based on the integrated control method of the new energy vehicle power system provided by the embodiment of the disclosure, the software algorithm and hardware synchronization depth integration design of the main controller part in the whole vehicle, the main drive, the oil pump, the air pump, the PDU and the BMS can be carried out, meanwhile, the refined centralized energy management control can be carried out, a central control framework taking the central control panel 1 as the core is formed, the refined energy-saving optimization is convenient to develop, the installation space is saved, the cost is greatly reduced, and the safety and reliability of the system are improved; meanwhile, the requirements of vehicle networking and intelligent data rapid communication transmission are met.
Fig. 5 is a schematic diagram of some embodiments of a central control panel of the present disclosure. As shown in fig. 5, a central control board of the present disclosure (e.g., central control board 1 of the embodiment of fig. 1 or fig. 2) may include a memory 51 and a processor 52, wherein:
a memory 51 for storing instructions.
A processor 52, configured to execute the instructions, so that the central control board 1 performs operations to implement the new energy vehicle powertrain integrated control method according to any one of the embodiments (for example, fig. 3 or fig. 4) described above.
Based on the central control panel provided by the embodiment of the disclosure, the embodiment of the disclosure aims at the problems of complex system structure, low reliability and high cost caused by a distributed control module in an electric vehicle in the related technology, and provides a highly integrated controller of a power system of a commercial vehicle, namely, the power system controller is subjected to software and hardware synchronous integrated design and is subjected to centralized energy control to form the power system integrated controller.
According to another aspect of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the instructions, when executed by a processor, implement the new energy vehicle powertrain integrated control method according to any one of the embodiments (for example, fig. 3 or fig. 4) above.
Based on the computer readable storage medium provided by the above embodiment of the present disclosure, a PWM signal can be sent through vehicle energy calculation, and the PWM signal is amplified by the main drive power driving module, so as to control the motor to output a specified torque and a specified rotation speed, thereby implementing driving of the vehicle; the central control board sends out PWM signals, and the signals are amplified by the oil pump power driving module to realize the steering and power-holding functions of the electric automobile; the central control board sends out PWM signal, and through air pump power drive module signal amplification processing, functions such as the electric automobile's brake, door are closed are realized. The BMU sends instructions to the central control board by collecting signals of single battery voltage, temperature, bus voltage, current and the like, and performs battery SOC state estimation, balance management, charge and discharge management and the like.
The central control board described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware to implement the above embodiments, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disk, or the like.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (17)
1. A central control panel is characterized in that,
the central control panel is an integrated controller of a new energy vehicle power system;
the central control panel is used for integrating the whole vehicle control function and the main drive control function of the new energy vehicle into one central control panel.
2. The central control panel of claim 1,
the central control board is used for integrating at least one of an oil pump control function, an air pump control function, a battery management control function and a power distribution control function of the new energy vehicle into the central control board.
3. The central control panel according to claim 1 or 2,
the central control panel is used for performing centralized energy management control on the new energy vehicle.
4. The utility model provides a new forms of energy vehicle driving system integrated control device which characterized in that, includes central control panel, whole car module and main power drive module that drives, wherein:
the new energy vehicle power system integrated control device is a central control framework taking the central control panel as a core;
the central control panel is connected with the whole vehicle module and the main drive power driving module;
the central control panel is according to any one of claims 1-3.
5. The new energy vehicle powertrain integrated control apparatus of claim 4,
the central control board is used for carrying out vehicle energy calculation and sending a main drive control signal to the main drive power driving module;
and the main drive power driving module is used for amplifying the main drive control signal, controlling the main motor to output specified torque and rotating speed according to the main drive control signal and realizing the driving of the vehicle.
6. The new energy vehicle powertrain integrated control apparatus of claim 4 or 5,
the whole vehicle module comprises at least one part system of an accelerator pedal, gears, a brake pedal, an instrument, an air conditioning system, a warm air system, a vehicle event data recorder and a global positioning system host;
the whole vehicle module is used for sending vehicle control signals to the central control panel;
and the central control panel is used for carrying out vehicle centralized management control according to the vehicle control signals of the whole vehicle module.
7. The new energy vehicle powertrain integrated control apparatus of claim 4 or 5, further comprising an oil pump power drive module, wherein:
the central control board is connected with the oil pump power driving module;
the central control board is used for sending an oil pump control signal to the oil pump power driving module;
and the oil pump power driving module is used for amplifying the oil pump control signal, driving the stable operation of an oil pump motor and realizing the power-assisted steering function of the new energy vehicle.
8. The integrated control device of the new energy vehicle power system according to claim 4 or 5, further comprising an air pump power driving module, wherein:
the central control board is connected with the air pump power driving module;
the central control board is used for sending an air pump control signal to the air pump power driving module;
and the air pump power driving module is used for amplifying the air pump control signal, driving the stable operation of the air pump motor and realizing the braking function and the door closing function of the new energy vehicle.
9. The new energy vehicle powertrain integrated control apparatus of claim 4 or 5, further comprising a battery detection system, wherein:
the central control board is connected with the battery detection system;
the battery detection system is used for collecting battery related signals and sending the battery related signals to the central control board;
and the central control board is used for carrying out battery management control according to the battery related signals.
10. The new energy vehicle powertrain integrated control apparatus of claim 4 or 5, further comprising a power distribution control module, wherein:
the power distribution control module comprises a power distribution switch;
and the central control board is used for controlling the on-off and power-on detection of the power distribution switch through an IO channel switch.
11. The integrated control method of the new energy vehicle power system is characterized by comprising the following steps:
and the central control panel performs integrated control of vehicle control and main drive control on the new energy vehicle.
12. The new energy vehicle powertrain integrated control method of claim 11, further comprising:
and the central control board performs integrated control of at least one of oil pump control, air pump control, battery management control and power distribution control on the new energy vehicle.
13. The new energy vehicle powertrain integrated control method of claim 11 or 12, wherein the central control panel performing the main drive control of the new energy vehicle comprises:
the central control board carries out the energy calculation of the whole vehicle;
and the central control board sends a main drive control signal to the main drive power driving module so as to control the main motor to output specified torque and rotating speed, thereby realizing the driving of the vehicle.
14. The integrated control method for the power system of the new energy vehicle according to claim 11 or 12, wherein the whole vehicle control of the new energy vehicle by the central control board comprises:
and the central control board performs vehicle centralized management control according to vehicle control signals sent by the whole vehicle module.
15. The integrated control method for the power system of the new energy vehicle according to claim 12, wherein the integrated control of the new energy vehicle by the central control board for at least one of oil pump control, air pump control, battery management control and power distribution control comprises:
the central control board sends an oil pump control signal to the oil pump power driving module so as to drive the stable operation of an oil pump motor and realize the power-assisted steering function of the new energy vehicle;
and/or the presence of a gas in the gas,
the central control board sends an air pump control signal to the air pump power driving module so as to drive the air pump motor to run stably, and the braking function and the door closing function of the new energy vehicle are realized;
and/or the presence of a gas in the gas,
the central control board carries out battery management control according to the battery related signals collected by the battery detection system;
and/or the presence of a gas in the gas,
and the central control board controls the on-off and power-on detection of a power distribution switch in the power distribution control module through an IO channel switch.
16. A central control panel, comprising:
a memory to store instructions;
a processor for executing the instructions to cause the central control board to perform operations to implement the new energy vehicle powertrain integrated control method of any of claims 11-15.
17. A computer readable storage medium storing computer instructions that, when executed by a processor, implement the new energy vehicle powertrain integrated control method of any of claims 11-15.
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| CN202010871054.0A CN111845596A (en) | 2020-08-26 | 2020-08-26 | New energy vehicle power system integrated control method and device and central control panel |
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| CN202010871054.0A CN111845596A (en) | 2020-08-26 | 2020-08-26 | New energy vehicle power system integrated control method and device and central control panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143392A1 (en) * | 2020-12-28 | 2022-07-07 | 中国第一汽车股份有限公司 | Control system of electric vehicle |
| CN117032066A (en) * | 2023-10-09 | 2023-11-10 | 成都特隆美储能技术有限公司 | PLC control method of mobile energy storage system |
-
2020
- 2020-08-26 CN CN202010871054.0A patent/CN111845596A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143392A1 (en) * | 2020-12-28 | 2022-07-07 | 中国第一汽车股份有限公司 | Control system of electric vehicle |
| CN117032066A (en) * | 2023-10-09 | 2023-11-10 | 成都特隆美储能技术有限公司 | PLC control method of mobile energy storage system |
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