CN115593237A

CN115593237A - Controller of all-in-one power system, all-in-one power system and vehicle

Info

Publication number: CN115593237A
Application number: CN202211394303.7A
Authority: CN
Inventors: 潘少俊; 胡宏喜; 刘长伟; 孔峥; 徐钟纬; 孙伟; 李军
Original assignee: Chery New Energy Automobile Co Ltd
Current assignee: Chery New Energy Automobile Co Ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-01-13

Abstract

The application relates to new energy automobile technical field, in particular to unification driving system's controller, unification driving system and vehicle more, wherein, the controller includes: the controller comprises a controller body, a circuit board, a power switch device, a power supply module and a control module. The circuit board is arranged in the controller body, and the power switch device is arranged on the circuit board; the power module and the control module are integrated on the circuit board and share the power switch on the circuit board, wherein the power module is used for charging, power distribution and power conversion of the all-in-one power system, and the control module is used for performing power control and battery management on the all-in-one power system. From this, the reliability of having solved the driving system in the correlation technique unification more, durable, NVH management and control risk is big, when single part goes wrong, needs maintain through the mode of changing the assembly, problem such as with high costs.

Description

Controller of all-in-one power system, all-in-one power system and vehicle

Technical Field

The application relates to the technical field of new energy automobiles, in particular to a controller of an all-in-one power system, an all-in-one power system and a vehicle.

Background

In the initial development stage of the new energy automobile, each control module and each power supply control module of the power system are mainly separated, each controller is provided with a shell, the controllers are connected with each other through pipelines and various connectors, a large amount of arrangement space of the whole automobile is occupied, and then the stability of complex wiring harness connection between the space in the automobile and the controllers is influenced.

With the development of new energy automobile technology, based On light weight, small volume, low cost and other perspectives, the design of a Power System is developing towards the direction of integration, and a highly integrated Power System all-in-one System (integrated motor, reducer, OBC (On-Board Controller), PDU (Power Distribution Unit ), converter (DCDC), MCU (MicroController Unit, microController), BMS (battery management System), VCU (vehicle Control Unit, etc.) gradually becomes the mainstream direction. However, based on factors such as the current design scheme and manufacturing process, the reliability, durability, noise, vibration and Harshmness (Noise, vibration and Harshmness) management and control of the power system are all integrated, so that the risk is high, when a single component has a problem, most of the components are maintained in an assembly replacement mode, and the cost is high.

Disclosure of Invention

The application provides a driving system's of unifying more controller and vehicle to reliability, durable, NVH management and control risk of the driving system unification in solving the correlation technique is big, and when single part goes wrong, need maintain through the mode of changing the assembly, problem such as with high costs.

An embodiment of a first aspect of the present application provides a controller of an all-in-one power system, including: a controller body; the controller comprises a circuit board and a power switch device, wherein the circuit board is arranged inside the controller body, and the power switch device is arranged on the circuit board; power module and control module, power module and control module integration set up in on the circuit board, and share power switch ware on the circuit board, wherein, power module is used for charging, power distribution and power conversion to unifying driving system more, control module is used for right unifying driving system carries out power control and battery management more.

Optionally, in an embodiment of the present application, the power module includes a dc converter DCDC, an on-board charger OBC, and a power distribution unit PDU.

Optionally, in an embodiment of the present application, the control module includes an electronic control unit MCU, a vehicle control unit VCU, and a battery management system BMS.

Optionally, in an embodiment of the present application, the method further includes: and the cooling system is used for cooling the controller, wherein the power module and the control module share the cooling system.

Optionally, in an embodiment of the present application, the controller body is a housing.

An embodiment of a second aspect of the present application provides an all-in-one power system, including: the controller of the all-in-one power system of the embodiment; and the driving system unit is connected with the controller through a power line, wherein the controller controls the driving system unit to output power or stop working based on a control instruction.

Optionally, in an embodiment of this application, the controller with the actuating system unit still links to each other through cooling pipe, wherein, the coolant liquid by the water inlet of controller gets into right after the controller cools off the cooling, by the delivery port of controller flows, process the cooling pipe gets into the water inlet of actuating system unit is cooling back to cooling pipe actuating system unit, by the delivery port of cooling pipe actuating system unit flows and gets into whole car thermal management system.

Optionally, in one embodiment of the present application, the drive system unit includes a drive motor and a reducer coupled.

According to a third aspect of the embodiment of the application, a vehicle is provided, and the vehicle comprises the all-in-one power system.

Therefore, the application has at least the following beneficial effects:

the control system and the power supply are integrated in the controller, and the motor is controlled through the pipeline power line connection, so that the failure caused by coupling of a mechanical part and an electric part is avoided, the motor can be detachably maintained when a fault occurs, the installation cost is reduced, and the maintenance cost is reduced. From this, the reliability of having solved the driving system among the correlation technique and unify more, durable, NVH management and control risk is big, and when single part goes wrong, need maintain through the mode of changing the assembly, problem such as with high costs.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a block diagram illustrating a controller of an all-in-one powertrain system according to an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an integrated solution configuration of an all-in-one power system provided according to an embodiment of the present application;

FIG. 3 is a block diagram of an all-in-one power system according to an embodiment of the present disclosure.

Description of the reference numerals: the controller comprises a controller body-100, a circuit board-200, a power switch device-300, a power supply module-400, a control module-500 and a driving system unit-600.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.

The controller of the all-in-one powertrain, and the vehicle according to the embodiments of the present application are described below with reference to the drawings. In view of the above-mentioned problems in the background art, the present application provides a controller for an all-in-one power system, which integrates a control system and a power control in one controller, and controls a motor through a pipeline power line connection, thereby avoiding the failure caused by the coupling of a mechanical component and an electrical component, and the failure caused by the coupling of the mechanical component and the electrical component, and the detachable maintenance in case of failure, reducing the installation cost and the maintenance cost. From this, the reliability of having solved the driving system among the correlation technique and unify more, durable, NVH management and control risk is big, and when single part goes wrong, need maintain through the mode of changing the assembly, problem such as with high costs.

Specifically, fig. 1 is a block diagram illustrating a controller of an all-in-one power system according to an embodiment of the present disclosure.

As shown in fig. 1, the controller 10 of the all-in-one power system includes: the controller includes a controller body 100, a circuit board 200, a power switching device 300, a power module 400, and a control module 500.

The controller body 100 is a housing, the circuit board 200 is disposed inside the controller body 100, and the power switch device 300 is disposed on the circuit board 200; the power module 400 and the control module 500 are integrally disposed on the circuit board 200 and share the power switch 300, wherein the power module 400 is used for charging, power distribution and power conversion of the all-in-one power system, and the control module 500 is used for performing power control and battery management of the all-in-one power system.

In one embodiment of the present application, the power module 400 includes a dc converter DCDC, a vehicle-mounted charger OBC, and a power distribution unit PDU; the control module 500 includes an electronic control unit MCU, a vehicle control unit VCU, and a battery management system BMS.

In one embodiment of the present application, further comprising: and the cooling system is used for cooling the controller, wherein the power supply module and the control module share the cooling system.

As shown in fig. 2, the embodiments of the present application can integrate power modules (DCDC, OBC, PDU), control modules (MCU, VCU, BMS, etc.) through a deep and highly integrated design, sharing the housing, cooling system and circuits and power switching devices. The direct current converter DCDC, the vehicle-mounted charger OBC and the electronic control unit MCU share the cooling system.

According to the controller of the all-in-one power system, the control system and the power supply are integrated into one controller, the motor is controlled through the pipeline power line connection, failure caused by coupling of mechanical parts and electric parts is avoided, the controller can be detached for maintenance when a fault occurs, the installation cost is reduced, and the maintenance cost is reduced. From this, the reliability of having solved the driving system among the correlation technique and unify more, durable, NVH management and control risk is big, and when single part goes wrong, need maintain through the mode of changing the assembly, problem such as with high costs.

Next, an all-in-one power system according to an embodiment of the present application will be described with reference to the accompanying drawings.

As shown in fig. 3, the all-in-one power system 20 includes: the controller 10 and the drive system unit 600 of the all-in-one power system.

Wherein the driving system unit 600 is connected to the controller 10 through a power line, wherein the controller controls the driving system unit 600 to output power or stop working based on a control command.

In an embodiment of the application, the controller is further connected with the driving system unit through a cooling pipeline, wherein after cooling the controller by entering from a water inlet of the controller, the cooling liquid flows out from a water outlet of the controller and enters into a water inlet of the driving system unit through the cooling pipeline, and after cooling the cooling pipeline driving system unit, the cooling liquid flows out from a water outlet of the cooling pipeline driving system unit and enters into the whole vehicle thermal management system.

Specifically, as shown in fig. 2, the embodiment of the present application may flexibly connect the highly integrated all-in-one controller with the driving system unit through a pipeline and a power line. The method comprises the following specific steps:

1) And water circulation, wherein the cooling liquid enters the all-in-one system controller shell from the water inlet through the whole vehicle heat management system, is cooled through the DCDC, the OBC and the MCU, and enters the driving system unit from the water outlet through a pipeline for cooling. Then enters the heat management system of the whole vehicle through the water outlet.

2) An electric control part: the current is controlled by the MCU, and the motor is controlled by the power line connection.

In one embodiment of the present application, the drive system unit includes a drive motor and a reducer coupled.

It can be understood that the drive system unit of the embodiment of the present application may couple the motor and the speed reducer through a structural design to form a power output unit.

It should be noted that the foregoing explanation of the embodiment of the controller of the all-in-one power system is also applicable to the all-in-one power system of this embodiment, and is not repeated herein.

According to the all-in-one power system provided by the embodiment of the application, the all-in-one controller with high integration is connected with the driving system unit through the pipeline and the power line, the control system and the power control are integrated in one controller, the electric driver and the speed reducer are connected through the pipeline power line, failure caused by coupling of a mechanical part and an electric part is avoided, the maintenance can be split when a fault occurs, the installation cost is reduced, and the maintenance cost is reduced. From this, the reliability of having solved the driving system among the correlation technique and unify more, durable, NVH management and control risk is big, and when single part goes wrong, need maintain through the mode of changing the assembly, problem such as with high costs.

In addition, the embodiment of the application also provides a vehicle, which comprises the all-in-one power system of the embodiment.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of implementing the embodiments of the present application.

It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a programmable gate array, a field programmable gate array, or the like.

It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

Claims

1. A controller of an all-in-one power system is characterized by comprising:

a controller body;

the controller comprises a circuit board and a power switch device, wherein the circuit board is arranged inside the controller body, and the power switch device is arranged on the circuit board;

power module and control module, power module and control module integration set up in on the circuit board, and share power switch ware on the circuit board, wherein, power module is used for charging, power distribution and power conversion to unifying driving system more, control module is used for right unifying driving system carries out power control and battery management more.

2. The controller according to claim 1, characterized in that the power supply module comprises a direct current converter DCDC, an on-board charger OBC and a power distribution unit PDU.

3. The controller of claim 1, wherein the control module comprises an electronic control unit (MCU), a Vehicle Control Unit (VCU), and a Battery Management System (BMS).

4. The controller of claim 1, further comprising:

and the cooling system is used for cooling the controller, wherein the power supply module and the control module share the cooling system.

5. A controller according to any of claims 1 to 4, wherein the controller body is a housing.

6. An all-in-one power system, comprising:

the controller of the all-in-one power system according to any one of claims 1 to 5;

and the driving system unit is connected with the controller through a power line, wherein the controller controls the driving system unit to output power or stop working based on a control instruction.

7. The system of claim 6, wherein the controller is further connected with the driving system unit through a cooling pipeline, wherein cooling liquid enters from a water inlet of the controller and flows out from a water outlet of the controller after the controller is cooled, enters from a water inlet of the driving system unit through the cooling pipeline, and flows out from a water outlet of the cooling pipeline driving system unit after the cooling pipeline driving system unit is cooled, and then flows into the whole vehicle thermal management system.

8. The system of claim 6, wherein the drive system unit comprises a drive motor and a reducer coupled.

9. A vehicle comprising an all-in-one powertrain according to any one of claims 6-8.