CN111208761A

CN111208761A - Modular extensible universal controller for new energy automobile

Info

Publication number: CN111208761A
Application number: CN202010028096.8A
Authority: CN
Inventors: 李静静
Original assignee: Shanghai Duolian Electronic Technology Co Ltd
Current assignee: Shanghai Duolian Electronic Technology Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-05-29

Abstract

The invention discloses a modular extensible universal controller of a new energy automobile, which is characterized by comprising a main controller and a plurality of extension modules, wherein the main controller comprises a main control interface, each extension module comprises an extension interface, and the main controller and the plurality of extension modules are sequentially connected in an extension mode in a cascading mode. The invention adopts the solution of the universal controller of the main controller and the expansion module, can realize all functions of the special controller through the standardized universal controller, can fully play the advantages of low cost, strong hardware adaptability and the like of the standardized universal controller, accelerates the electronic and electric architecture optimization of the whole vehicle, and reduces the development and manufacturing cost of the whole vehicle.

Description

Modular extensible universal controller for new energy automobile

Technical Field

The invention relates to the field of controllers, in particular to a modular extensible universal controller for a new energy automobile.

Background

Key parts of the new energy automobile comprise a motor, a battery, an air conditioner and the like, and at present, the parts are controlled by various special controllers, for example, the motor is controlled by a Motor Controller (MCU), and an automobile body is controlled by an automobile Body Controller (BCM).

These current dedicated controllers have the following drawbacks:

1. the special controller is developed aiming at a specified controlled object, has a fixed interface and a single function, and is difficult to be multiplexed on various controlled objects;

2. the controller has high degree of specialization, high unit price, high development cost and long development period;

3. the hardware design of the special controller has certain redundancy, hardware resources cannot be fully utilized, and hardware cutting is difficult to operate.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a modular extensible universal controller for a new energy automobile.

In order to achieve the purpose, the invention adopts the following technical scheme:

new energy automobile modularization extensible universal controller, its characterized in that includes main control unit, a plurality of expansion module, including main control unit, every including main control interface, every including expansion interface in the expansion module, main control unit, a plurality of expansion module loop through cascaded mode and carry out the expansion connection.

Furthermore, the modularized extensible universal controller for the new energy automobile is characterized in that the main controller and the plurality of extension modules respectively comprise extension connection interfaces, and the main controller and the plurality of extension modules are sequentially connected through the extension connection interfaces.

Furthermore, the modularized extensible universal controller for the new energy automobile is characterized in that the main controller and the plurality of extension modules share a power supply mode.

Furthermore, the modularized extensible universal controller for the new energy automobile is characterized in that the main controller and the plurality of extension modules share a communication mode.

Further, the modularized extensible universal controller for the new energy automobile is characterized in that the communication mode adopts a daisy chain SPI mode.

Compared with the prior art, the invention has the beneficial effects that:

the invention adopts the solution of the universal controller of the main controller and the expansion module, can realize all functions of the special controller through the standardized universal controller, can fully play the advantages of low cost, strong hardware adaptability and the like of the standardized universal controller, accelerates the electronic and electric architecture optimization of the whole vehicle, and reduces the development and manufacturing cost of the whole vehicle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic diagram of a new energy automobile modular extensible universal controller according to the present invention;

in the figure: the system comprises a main controller 1, a plurality of expansion modules 2, a main control interface 3, an expansion interface 4 and an expansion connection interface 5.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, the modularized extensible universal controller for the new energy automobile comprises a main controller 1 and a plurality of extension modules 2, wherein the main controller 1 comprises a main control interface 3, each extension module 2 comprises an extension interface 4, and the main controller 1 and the plurality of extension modules 2 are sequentially connected in an extending mode in a cascading mode.

Furthermore, the main controller 1 and the plurality of expansion modules 2 respectively comprise an expansion connection interface 5, and the main controller 1 and the plurality of expansion modules 2 are connected through the expansion connection interface 5 in sequence; the single expansion connection interface 5 does not occupy the main control interface 3 of the main controller 1.

Further, the main controller 1 and the plurality of expansion modules 2 share a power supply and communication mode. The communication mode adopts a daisy chain SPI mode.

The working principle of the invention is as follows:

the main controller 1 can be used independently, and when the basic input and output interface meets the requirements of the control interface, the main controller 1 can complete all control functions; when the main control interface 3 of the main controller 1 cannot meet the interface requirements of the controlled object, the interface of the main controller 1 can be expanded through the expansion module 2, and the mode of the main controller plus the corresponding expansion module is selected for combined application aiming at the controlled object and the application scene, so that the control requirements of each key part are perfectly adapted.

For example:

1. managing a battery system, and monitoring the voltage of a battery monomer and the temperature of each module in a battery pack, so that a large number of analog quantity signal input interfaces are needed, and a scheme of a main controller and an analog quantity input expansion module can be adopted;

2. the air conditioning system is controlled, a large number of fans, water pumps and the like need to be controlled, a large number of digital output interfaces are needed, and the scheme of a main controller and a digital output expansion module can be adopted;

the main controller and the expansion modules are connected in a cascade mode, the cascade expansion connection comprises power supply and communication, the communication is carried out in a daisy chain SPI mode, and each expansion module is provided with an independent expansion interface and does not occupy the interface of the main controller.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Expanded universal controller of new energy automobile modularization, its characterized in that includes main control unit (1), a plurality of extension module (2), including main control interface (3), every in main control unit (1) including extension interface (4) in extension module (2), main control unit (1), a plurality of extension module (2) loop through cascaded mode and carry out the expansion connection.

2. The modular extensible universal controller for the new energy automobile according to claim 1, wherein the main controller (1) and the plurality of extension modules (2) further comprise extension connection interfaces (5), and the main controller (1) and the plurality of extension modules (2) are sequentially connected through the extension connection interfaces (5).

3. The modular expandable universal controller for the new energy automobile according to claim 2, characterized in that the main controller (1) and the plurality of expansion modules (2) share a power supply mode.

4. The modular expandable general controller for the new energy automobile according to claim 2 or 3, characterized in that the main controller (1) and the plurality of expansion modules (2) share a communication mode.

5. The modular expandable universal controller for the new energy automobile as claimed in claim 4, wherein the communication mode adopts a daisy chain SPI mode.