Vehicle power distribution integrated architecture, vehicle management system, automobile

Abstract

This application discloses a vehicle power distribution integrated architecture, a vehicle management system, and a motor vehicle. The vehicle power distribution integrated architecture includes a low-voltage battery, a battery management module, and a low-voltage power distribution module, wherein the low-voltage battery is electrically connected to the low-voltage power distribution module, and a low-voltage load input terminal for inputting low-voltage loads is disposed on the low-voltage power distribution module. The battery management module and the low-voltage power distribution module share the same controller, and the controller integrates the function of managing the low-voltage battery and the function of controlling power distribution for the low-voltage loads, thereby creatively integrating the control modules of the battery management scheme and the low-voltage power distribution scheme into the same controller, resulting in features such as a simplified control circuit, low cost, and simple architecture.

Description

Technical Field

[0001] [Cross - reference to Related Applications] This application claims the benefit of Chinese Patent Application No. 202311162274.6, filed on September 8, 2023, entitled "Vehicle Power Distribution Integration Architecture, Vehicle Management System, Automobile", the entire content of which is incorporated herein by reference.

[0002] This application relates to the technical field of automobiles, specifically to vehicle power distribution integration architecture, vehicle management system, and automobiles.

Background Art

[0003] Conventional body low - voltage power distribution mainly adopts discrete low - voltage lithium - ion battery technology, equips a fuse box product to achieve primary power distribution for low - voltage loads, and performs battery management on the low - voltage lithium - ion battery by a battery management system.

[0004] However, in the current power supply architecture, the low - voltage power distribution system and the battery management system are installed independently. As for the fuse box adopted in the low - voltage power distribution system, generally, the conventional relay or fuse solution is adopted, which has problems such as large size, complex circuit, and high maintenance cost.

Summary of the Invention

Problems to be Solved by the Invention

[0005] In view of the above problems, this application provides a vehicle power distribution integration architecture, a vehicle management system, and an automobile that can solve the problems of the current vehicle power supply architecture, such as large size, complex circuit, and high maintenance cost, because the low - voltage power distribution system and the battery management system are installed independently.

Means for Solving the Problems

[0006] A first embodiment of the present invention provides a vehicle power distribution integrated architecture, the vehicle power distribution integrated architecture comprising a low-voltage battery, a battery management module, and a low-voltage power distribution module. The low-voltage battery is electrically connected to the low-voltage power distribution module. The low-voltage distribution module is provided with a low-voltage load connection terminal for connecting a low-voltage load, The battery management module and the low-voltage power distribution module share the same controller, which integrates the functions of managing the low-voltage battery and controlling power distribution to the low-voltage load.

[0007] In the embodiment of the present application, a low-voltage power distribution module is equipped with a low-voltage load input terminal for connecting a low-voltage load, the low-voltage power distribution module constitutes the power output of a low-voltage battery, and a battery management module is used to manage the low-voltage battery. The battery management module and the low-voltage power distribution module share the same controller, and by integrating the functions for managing the low-voltage battery and the functions for controlling power distribution to the low-voltage load within the controller, the battery management scheme and the low-voltage power distribution control scheme in the low-voltage power electronics field are creatively integrated into the same controller, and the control circuit is simplified by redundancy of some devices, resulting in low cost and a simple architecture.

[0008] In some embodiments, the vehicle power distribution integrated architecture is It further includes a low-voltage power input terminal electrically connected to the low-voltage power distribution module for supplying a low-voltage power converted by a power battery, The low-voltage distribution module is further used to allocate power to the low-voltage power supply.

[0009] In the embodiment of this application, the low-voltage power input terminal is used to switch on a low-voltage power supply obtained by converting the voltage of a power battery, and the low-voltage power distribution module allocates the low-voltage power supply to the low-voltage load input terminals. For example, in the case of multiple low-voltage load input terminals, power allocation may be performed according to the power demand of the low-voltage loads connected to each low-voltage load input terminal, or power allocation may be performed based on the operating state of the connected low-voltage loads, thereby achieving dynamic adjustment of the output power of the low-voltage power supply and achieving the objective of protecting the battery and the low-voltage loads.

[0010] In some embodiments, the battery management module includes a first switch module controlled by the controller, The first switch module is used to manage the charging and discharging process of the low-voltage battery under the control of the controller.

[0011] In the embodiment of the present application, the first switch module is controlled by a controller, and the controller controls the on / off state of the first switch module to perform charging and discharging operations of the low-voltage battery. This allows the low-voltage power distribution module to duplicate the first switch module, reducing the wire harness between the low-voltage power distribution module and the battery management module, and decreasing safety risks due to short circuits in the wire harness between different circuit boards.

[0012] In some embodiments, the low-voltage battery is electrically connected to the low-voltage power distribution module via the first switch module.

[0013] In the embodiment of the present application, a first switch module is connected between a low-voltage battery and a low-voltage power distribution module, the low-voltage battery is electrically connected to the low-voltage power distribution module via the first switch module, the first switch module is controlled by a controller, the controller controls the on / off state of the first switch module to control the on / off state between the low-voltage battery and the low-voltage power distribution module, and the first switch module controls the power distribution output of the low-voltage power distribution module. As a result, the low-voltage power distribution module and the battery management module can be multiplexed, reducing the wire harness between the low-voltage power distribution module and the battery management module and reducing safety risks due to short circuits in wire harnesses between different circuit boards.

[0014] In some embodiments, the low-voltage distribution module further includes a second switch module controlled by the controller, The second switch module is used to control the input state of the low-voltage power supply input terminal.

[0015] In the embodiment of this application, the second switch module is controlled by a controller and can control the power distribution output of the low-voltage power distribution module by controlling the input state of the low-voltage power input terminal. For example, it can control the low-voltage power input terminal to charge the low-voltage battery, or control at least one of the low-voltage power input terminal and the low-voltage battery to supply power to the low-voltage load-connecting terminal and output power, thereby realizing integrated control of the battery management module and the low-voltage power distribution module.

[0016] In some embodiments, the second switch module is connected between the low-voltage power input terminal and the low-voltage load-on terminal, and / or The second switch module is connected between the low-voltage power input terminal and the battery management module.

[0017] In the embodiment of this application, the second switch module is controlled by a controller and can control the power distribution output of the low-voltage power distribution module by controlling the input state of the low-voltage power input terminal. For example, it can control the low-voltage power input terminal to charge the low-voltage battery, or control at least one of the low-voltage power input terminal and the low-voltage battery to supply power to the low-voltage load-connecting terminal and output power, thereby realizing integrated control of the battery management module and the low-voltage power distribution module.

[0018] In some embodiments, the low-voltage distribution module further includes a third switch module controlled by the controller, The third switch module is used to control the direction of the current between the low-voltage power supply input terminal and the low-voltage battery.

[0019] In some embodiments, the third switch module is connected between the second switch module and the first switch module.

[0020] In the embodiment of the present application, the third switch module is controlled by a controller, connected between the second and first switch modules, and the controller can control the on / off states of the first, second and third switch modules, and can control the low-voltage power input terminal to charge the low-voltage battery, or control at least one of the low-voltage power input terminal and the low-voltage battery to supply power to the low-voltage load input terminal and output, thereby enabling the third switch module to control the direction of current between the low-voltage power input terminal and the low-voltage battery, and realizing integrated control of the power output of the battery management module and the low-voltage power distribution module.

[0021] In some embodiments, the low-voltage load connection terminal includes a first low-voltage load connection terminal and a second low-voltage load connection terminal. The first low-voltage load input terminal and the second low-voltage load input terminal are respectively connected to the first end and the second end of the third switch module.

[0022] In the technical solution of the embodiment of the present application, the first low-voltage load input terminal and the second low-voltage load input terminal are respectively connected to the first end and the second end of the third switch module, and the controller can control the on / off states of the first switch module, the second switch module and the third switch module. The third switch module controls the current direction between the low-voltage power supply input terminal and the low-voltage battery, and realizes the integrated control of the power output of the battery management module and the low-voltage power distribution module.

[0023] In some embodiments, the low-voltage power distribution module is connected between the first end of the third switch module and the first low-voltage load input terminal, and further includes a fourth switch module controlled by the controller, and a fifth switch module connected to the second end of the third switch module and the second low-voltage load input terminal and controlled by the controller.

[0024] In the technical solution of the embodiment of the present application, by installing a plurality of first low-voltage load input terminals, a plurality of paths of low-voltage loads can be respectively connected. A fourth switch module is installed between each path of the first low-voltage load input terminal and the second switch module, and the fourth switch module controls the power-on state of the corresponding first low-voltage load input terminal. By installing a plurality of second low-voltage load input terminals, a plurality of paths of low-voltage loads can be respectively connected. A fifth switch module is installed between each path of the second low-voltage load input terminal and the third switch module, and the fifth switch module controls the power-on state of the corresponding second low-voltage load input terminal.

[0025] In some embodiments, the low-voltage power distribution module and the battery management module are integrated on the same circuit board.

[0026] In the embodiment of this application, the battery management module and the low-voltage power distribution module share the same controller. The battery management module and the low-voltage power distribution module utilize the same controller in multiplexing configurations. The battery management module is configured by the controller and some of its surrounding drive devices to manage the state of the low-voltage battery, while the low-voltage power distribution module is configured by the controller and other parts of its surrounding drive devices to control the power distribution to the low-voltage load connected to the low-voltage load input terminal. The low-voltage power distribution module and the battery management module are integrated onto the same circuit board, and the controller and any external drive devices that need to be controlled are also integrated onto the same circuit board. This is advantageous for simplifying the circuit and reduces the probability of wire harness failures.

[0027] In some embodiments, the vehicle power distribution integrated architecture further includes a vehicle heat sink, the circuit board being mounted on a first side of the vehicle heat sink, the low-voltage battery being mounted on a second side of the vehicle heat sink, the second side of the vehicle heat sink facing the first side of the vehicle heat sink, and the vehicle heat sink being used to dissipate heat from the circuit board and the low-voltage battery.

[0028] In the embodiment of this application, the low-voltage battery and the circuit board are installed on opposite sides of the same vehicle heat sink. By sharing the same vehicle heat sink between the low-voltage battery and the circuit board, the heat dissipation efficiency of the vehicle heat sink can be improved, and the volume of the vehicle can be reduced.

[0029] In some embodiments, the controller kernel consists of at least two components.

[0030] In the embodiment of this application, the controller kernel has at least two kernels, and multiple functions of the controller can be assigned to multiple kernels to improve the processing efficiency of the controller.

[0031] In some embodiments, at least one kernel of the controller is used to process a sampling signal to obtain sampling data, at least one kernel of the controller is used to generate control data based on the sampling data, and based on the control data, outputs a corresponding control signal to control the operating state of the low-voltage battery and / or control the power distribution of the low-voltage load.

[0032] In the technical invention of the embodiment of this application, the controller includes at least two kernels, one or part of which may be used to process a sampling signal to obtain corresponding sampling data, and another kernel or part of which may be used to process the sampling data to obtain control data according to a predetermined calculation, generate a control signal based on the control data and output it to a peripheral drive device, thereby controlling the operating state of the drive device, thereby controlling the operating state of the low-voltage battery and / or controlling the power distribution of the low-voltage load by controlling the operating state of the drive device.

[0033] In some embodiments, the vehicle power distribution integrated architecture is Includes an SBC power supply module to which the controller is attached, for supplying power to the controller.

[0034] In the invention of this application, an SBC power supply module is integrated into a battery management module, which is used to supply power to a controller, and the power source for the SBC power supply module may be a low-voltage battery.

[0035] In some embodiments, the power input terminal of the SBC power supply module is connected to the low-voltage battery and the low-voltage power input terminal, respectively, and the power output terminal of the SBC power supply module is connected to the controller.

[0036] In the invention of this application, the power input terminal of the SBC power supply module can obtain power from either a low-voltage battery or a low-voltage power supply input terminal, respectively. By converting the voltage input from the low-voltage battery or low-voltage power supply input terminal into the power supply voltage of the controller, the objective of supplying power to the controller is achieved, and the problem of requiring an additional wire harness for the controller to obtain power from an external power source is avoided.

[0037] In some embodiments, the vehicle power distribution integrated architecture is The system further includes a sampling module for performing voltage sampling and / or current sampling on the sampling nodes of the low-voltage battery, the battery management module, and the low-voltage power distribution module, and for generating a sampling signal. The controller is connected to the sampling module, and the controller is further used to control the operating state of the low-voltage battery based on the sampling signal.

[0038] In the embodiment of this application, multiple sampling nodes are installed in the low-voltage battery, battery management module, and low-voltage power distribution module. Sampling is performed on the voltage or current of the multiple sampling nodes to obtain a sampling signal. The controller controls the operating state of the low-voltage battery and the low-voltage power distribution module by determining whether the voltage or current of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signal. As a result, the low-voltage battery and the low-voltage power distribution module can adjust their operating state in real time based on the electrical parameters of the low-voltage battery, battery management module, and low-voltage power distribution module, thereby reducing safety risks due to circuit failures.

[0039] In some embodiments, the controller, when the low-voltage load input terminal is connected to multiple power-consuming low-voltage loads, Time difference Control it to increase its power.

[0040] In the invention of this application, each of the multiple low-voltage load input terminals of the low-voltage distribution module can input multiple power-consuming low-voltage loads, and when multiple power-consuming low-voltage loads are input, the controller is configured such that the multiple low-voltage load input terminals Time difference By controlling the power to increase, the output current of the low-voltage distribution module can be increased, avoiding the problem of excessively high output current due to simultaneous power-up of multiple low-voltage load input terminals, which could pose a safety risk.

[0041] In some embodiments, the vehicle power distribution integrated architecture further includes AFE modules connected to the low-voltage battery and the controller, respectively, which are used to collect information from the low-voltage battery and to interact with the controller, the controller being connected to the AFE modules via a non-multiplexed synchronous serial communication interface.

[0042] In the embodiment of the present application, the AFE module is simultaneously connected to a low-voltage battery and a controller, and the AFE module can collect information from the low-voltage battery and interact with the controller for that information. The controller is connected to the AFE module via a non-multiplexed synchronous serial communication interface, and high-speed full-duplex communication may be established between the controller and the AFE module, performing data transmission of a type set on the controller's data pins, and for example, each communication module may correspond to one interaction function module without being affected by other pins or modules.

[0043] A second embodiment of the embodiments of this application further provides a vehicle management system including the vehicle power distribution integrated architecture described in any one of the embodiments described above.

[0044] A third embodiment of the embodiments of this application further provides an automobile including the vehicle power distribution integrated architecture described in any one of the embodiments of the above-described invention.

[0045] The above description is merely an overview of the proposed technology of this application. In order to provide a clearer understanding of the technical means of this application and to enable implementation based on the contents of the specification, as well as to make the above and other objectives, features, and advantages of this application easier to understand, specific embodiments of this application are given below. [Effects of the Invention]

[0046] In the invention of this application, by integrating the vehicle power distribution integrated architecture described in any one of the above embodiments into the vehicle, the low-voltage power distribution module and the battery management module can be integrated into a single structural component. Furthermore, by having the low-voltage power distribution module and the battery management module duplicate the same controller and optimizing the electrical architecture of the vehicle management system, the related components of the finished vehicle are simplified, and the cost of the finished vehicle is significantly reduced. [Brief explanation of the drawing]

[0047] By reading the detailed description of the following preferred embodiments, various other advantages and benefits will become apparent to those skilled in the art. The drawings are used solely to illustrate the preferred embodiments and are not intended to limit this application. Throughout the drawings, the same components are represented by the same reference numerals. In the drawings, [Figure 1] This is a schematic diagram of the first type of vehicle power distribution integrated architecture according to an embodiment of the present application. [Figure 2] This is a schematic diagram of the second type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 3] This is a schematic diagram of the third type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 4] This is a schematic diagram of the fourth type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 5] This is a schematic diagram of the fifth type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 6] This is a schematic diagram of the sixth type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 7] This is a schematic diagram of the seventh type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 8] This is a schematic diagram of the eighth type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 9] This is a schematic diagram of the ninth type of vehicle power distribution integrated architecture according to an embodiment of this application. [Figure 10] This is a schematic diagram of the tenth type of vehicle power distribution integrated architecture according to an embodiment of the present application. [Figure 11] This is a schematic diagram of the eleventh vehicle power distribution integrated architecture according to an embodiment of the present application. [Figure 12] This is a schematic diagram of the twelfth type of vehicle power distribution integrated architecture according to an embodiment of the present application. [Modes for carrying out the invention]

[0048] The following describes in detail embodiments of the technical proposal of this application, with accompanying drawings. The following embodiments are used solely to more clearly illustrate the technical proposal of this application and are merely examples; they do not limit the scope of protection of this application.

[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art relating to the present application. The terms used herein are solely for the purpose of describing specific embodiments and are not intended to limit this application. The terms “including” and “having” and any variations thereof in the description of the specification, claims, and drawings of this application are intentionally intended to cover the non-exclusive “including.”

[0050] In the descriptions of the embodiments of this application, technical terms such as "first," "second," etc., are used solely to distinguish different subjects and should not be understood as explicitly or implicitly indicating relative importance, or the number, specific order, or primary / secondary relationship of the technical features indicated. In the descriptions of the embodiments of this application, unless otherwise specifically and clearly defined, "multiple" means two or more.

[0051] The “Examples” as used herein mean that certain features, structures, or characteristics described in conjunction with the Examples may be included in at least one Example of this Application. The phrase “second connection port” at each location in the Specification does not necessarily refer to the same Example, nor are they mutually exclusive or alternative Examples. Those skilled in the art will understand, both explicitly and implicitly, that the Examples described herein can be combined with other Examples.

[0052] In the description of the embodiments of this application, the term "and / or" merely describes the relationship between related objects and indicates that three relationships may exist. For example, A and / or B may represent three cases: A alone, a combination of A and B, and B alone. In this specification, the letter " / " generally indicates that the preceding and succeeding related objects are in an "or" relationship.

[0053] In the description of the embodiments of this application, the term "multiple frames" refers to two or more (including two).

[0054] In the descriptions of the embodiments of this application, the orientations or positional relationships indicated by technical terms such as "center," "vertical direction," "horizontal direction," "length," "width," "thickness," "top," "bottom," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "clockwise," "counterclockwise," "axial direction," "radial direction," and "circumferential direction" are orientations or positional relationships shown based on the drawings and are merely for the purpose of facilitating and simplifying the explanation of the embodiments of this application. They do not indicate or imply that the mentioned devices or elements have a specific orientation or need to be constructed and operated in a specific orientation, and therefore should not be understood as limiting the embodiments of this application.

[0055] In related technologies, body low-voltage power distribution generally employs discrete low-voltage lithium-ion battery technology. For example, a fuse box is configured based on lithium-ion batteries to provide primary power distribution to low-voltage loads within the vehicle. Within the fuse box, devices such as relays and fuses are generally used as drive and protection devices. However, in current vehicle power supply, zone controllers are generally used to control each functional module within the vehicle. Each functional module requires an independent controller to process data and control the devices within that module. Similarly, each functional module further requires an independent SBC module to power its controller, and an independent AFE module to establish communication between the control module and the higher-level unit. The associated control architecture not only requires a large number of wire harnesses for connection, but also suffers from large size and difficulty in maintenance.

[0056] To solve the above technical problems, an embodiment of this application provides a vehicle power distribution integrated architecture, which includes a low-voltage battery 300, a battery management module 100, and a low-voltage power distribution module 200, wherein the low-voltage battery 300 is electrically connected to the low-voltage power distribution module 200, and the low-voltage power distribution module 200 is provided with a low-voltage load connection terminal 210 for connecting a low-voltage load. The battery management module 100 and the low-voltage power distribution module 200 share the same controller 120, which integrates the function of managing the low-voltage battery 300 and the function of performing power distribution control for the low-voltage load.

[0057] In this embodiment, the low-voltage power distribution module 200 is equipped with a low-voltage load connection terminal 210 for connecting a low-voltage load, the low-voltage power distribution module 200 is connected to a low-voltage battery 300, the low-voltage power distribution module 200 constitutes the power output of the low-voltage battery 300, the battery management module 100 is used to manage the low-voltage battery 300, the battery management module 100 and the low-voltage power distribution module 200 share the same controller 120, and in this case, the battery management module 100 and the low-voltage power distribution module 200 include the same controller 120. By integrating the functions for managing the low-voltage battery 300 and controlling power distribution for low-voltage loads within the Torola 120, the control modules for the battery management scheme and the low-voltage power distribution scheme in the low-voltage power electronics field are creatively integrated into the same controller 120. Furthermore, by duplicating some devices, the control circuit is simplified, simplifying the design, debugging, and implementation of the entire vehicle circuit. Compared to independently setting up the battery management scheme and the low-voltage power distribution scheme, this approach offers advantages such as lower costs, a simpler architecture, and a lower failure rate.

[0058] In some specific application embodiments, in a vehicle low-voltage power distribution system, the controller 120 integrates the entire vehicle's low-voltage power distribution system by configuring some power devices and a battery management module 100, and the controller 120 also configures other power devices and a low-voltage power distribution module 200. This enables control and management of the vehicle's low-voltage power distribution system by the same controller 120, optimizing energy management of the entire low-voltage power distribution system and improving the efficiency of electrical energy utilization and power supply stability of the vehicle's low-voltage power distribution system.

[0059] In some specific application examples, the battery management module 100 is configured using the controller 120 and some power devices, and the low-voltage power distribution module 200 is configured using the controller 120 and other parts of the power devices. This eliminates the need for a bulky fuse box, and furthermore, the battery management module 100, the low-voltage power distribution module 200, and the low-voltage battery 300 can be integrated into the low-voltage battery assembly. This not only reduces the volume of the vehicle's low-voltage power distribution system but also shortens the wire harness distance between the low-voltage battery 300 and the battery management module 100, and also shortens the wire harness distance between the low-voltage battery 300 and the low-voltage power distribution module 200, thereby reducing the probability of failures occurring in the power and communication wire harnesses in the vehicle's low-voltage power distribution system.

[0060] In some embodiments, as shown in Figure 2, the vehicle power distribution integrated architecture in this embodiment further includes a low-voltage power input terminal 400, which is electrically connected to a low-voltage power distribution module 200, and which may be used to switch on a low-voltage power converted by a power battery and to allocate power to the low-voltage power input by the low-voltage power distribution module 200.

[0061] In this embodiment, the low-voltage power input terminal 400 is used to switch on a low-voltage power supply obtained by converting the voltage of a power battery, and the low-voltage power distribution module 200 assigns the low-voltage power supply to the low-voltage load switching terminal 210. For example, in the case of multiple low-voltage load switching terminals 210, power allocation may be performed according to the power demand of the low-voltage load connected to each low-voltage load switching terminal 210, or power allocation may be performed based on the operating state of the connected low-voltage load, thereby achieving dynamic adjustment of the output power of the low-voltage power supply and achieving the objective of protecting the battery and the low-voltage load.

[0062] In some embodiments, as shown in Figure 3, the battery management module 100 includes a first switch module 101, which is used to manage the charging and discharging process of the low-voltage battery 300 under the control of a controller 120.

[0063] In this embodiment, the first switch module 101 is controlled by the controller 120, and the controller 120 controls the on / off state of the first switch module 101 to perform charging and discharging operations of the low-voltage battery 300. As a result, the low-voltage power distribution module 200 can duplicate the first switch module 101 as its power distribution management unit, eliminating the need to install a power distribution management device within the low-voltage power distribution module 200, and reducing the wire harness between the low-voltage power distribution module 200 and the battery management module 100, thereby reducing safety risks caused by short circuits in wire harnesses between different circuit boards.

[0064] In some embodiments, the low-voltage battery 300 is electrically connected to the low-voltage power distribution module 200 via a first switch module 101.

[0065] In this embodiment, the first switch module 101 is connected between the low-voltage battery 300 and the low-voltage power distribution module 200, the low-voltage battery 300 is electrically connected to the low-voltage power distribution module 200 via the first switch module 101, the first switch module 101 is controlled by the controller 120, the controller 120 controls the on / off state of the first switch module 101 to control the on / off state between the low-voltage battery 300 and the low-voltage power distribution module 200, and the first switch module 101 controls the power distribution output of the low-voltage power distribution module 200. As a result, the low-voltage power distribution module 200 and the battery management module 100 can be multiplexed with the first switch module 101, reducing the wire harness between the low-voltage power distribution module 200 and the battery management module 100 and reducing safety risks due to short circuits in wire harnesses between different circuit boards.

[0066] In some embodiments, as shown in Figure 4, the low-voltage distribution module 200 further includes a second switch module 202 controlled by a controller 120, the second switch module 202 being used to control the input state of the low-voltage power input terminal 400.

[0067] In this embodiment, the second switch module 202 is controlled by the controller 120 and can control the power distribution output of the low-voltage power distribution module 200 by controlling the input state of the low-voltage load connection terminal 210. For example, it can control the low-voltage power input terminal 400 to charge the low-voltage battery 300, or control at least one of the low-voltage power input terminal 400 and the low-voltage battery 300 to supply power to the low-voltage load connection terminal 210 and output power, thereby realizing integrated control of the battery management module 100 and the low-voltage power distribution module 200.

[0068] In some embodiments, the second switch module 202 is connected between the low-voltage power input terminal 400 and the low-voltage load-on terminal 210.

[0069] In some embodiments, the second switch module 202 is connected between the low-voltage power input terminal 400 and the battery management module 100.

[0070] In this embodiment, the second switch module 202 is controlled by the controller 120 and can control the power distribution output of the low-voltage power distribution module 200 by controlling the input state of the low-voltage power input terminal 400. For example, it can control the low-voltage power input terminal 400 to charge the low-voltage battery 300, or control at least one of the low-voltage power input terminal 400 and the low-voltage battery 300 to supply power to the low-voltage load-on terminal 210 and output power, thereby realizing integrated control of the battery management module 100 and the low-voltage power distribution module 200.

[0071] In some embodiments, as shown in Figure 4, the low-voltage power distribution module 200 further includes a third switch module 203, which is controlled by a controller 120 and used to control the direction of current between the low-voltage power input terminal 400 and the low-voltage battery 300 under the control of the controller 120.

[0072] In some embodiments, the third switch module 203 is connected between the second switch module 202 and the first switch module 101.

[0073] In this embodiment, the third switch module 203 is controlled by the controller 120 and connected between the second switch module 202 and the first switch module 101. The controller 120 can control the on / off states of the first switch module 101, the second switch module 202 and the third switch module 203, and can control the low-voltage power input terminal 400 to charge the low-voltage battery 300, or control at least one of the low-voltage power input terminal 400 and the low-voltage battery 300 to supply power to the low-voltage load-on terminal 210 and output power. In this way, the third switch module 203 controls the direction of the current between the low-voltage power input terminal 400 and the low-voltage battery 300, enabling integrated control of the power output between the battery management module 100 and the low-voltage power distribution module 200.

[0074] In some embodiments, as shown in Figure 5, the low-voltage load-on terminal 210 includes a first low-voltage load-on terminal 211 and a second low-voltage load-on terminal 212, the first low-voltage load-on terminal 211 and the second low-voltage load-on terminal 212 being connected to the first and second terminals of a third switch module 203, respectively.

[0075] In this embodiment, the first low-voltage load connection terminal 211 and the second low-voltage load connection terminal 212 are connected to the first and second terminals of the third switch module 203, respectively. The controller 120 can control the on / off states of the first switch module 101, the second switch module 202, and the third switch module 203. The third switch module 203 controls the current direction between the low-voltage power input terminal 400 and the low-voltage battery 300, realizing integrated control of the power output between the battery management module 100 and the low-voltage power distribution module 200.

[0076] In some embodiments, as shown in Figure 5, the low-voltage distribution module 200 further includes a fourth switch module 204 and a fifth switch module 205, the fourth switch module 204 being connected between the first end of the third switch module 203 and the first low-voltage load-on end 211, and the fourth switch module 204 being controlled by a controller 120, and the fifth switch module 205 being connected to the second end of the third switch module 203 and the second low-voltage load-on end 212, and the fifth switch module 205 being controlled by a controller 120.

[0077] In this embodiment, the first low-voltage load connection terminal 211 is connected to the first terminal of the third switch module 203 via the fourth switch module 204, and the second low-voltage load connection terminal 212 is connected to the second terminal of the third switch module 203 via the fifth switch module 205. The fourth switch module 204 controls the power-up state of the corresponding first low-voltage load connection terminal 211, and the fifth switch module 205 controls the power-up state of the corresponding second low-voltage load connection terminal 212, thereby realizing independent control management for each low-voltage load.

[0078] In some embodiments, both the fourth switch module 204 and the fifth switch module 205 are MOS devices.

[0079] In some embodiments, there are multiple first low-voltage load-on terminals 211 and fourth switch modules 204, and the first low-voltage load-on terminals 211 and fourth switch modules 204 are installed in a one-to-one correspondence, and there are multiple second low-voltage load-on terminals 212 and fifth switch modules 205, and the second low-voltage load-on terminals 212 and fifth switch modules 205 are installed in a one-to-one correspondence.

[0080] In this embodiment, by installing multiple first low-voltage load switching terminals 211, multiple low-voltage loads on multiple paths can be switched on, and a fourth switch module 204 is installed between the first low-voltage load switching terminal 211 of each path and the second switch module 202, and the fourth switch module 204 controls the power-up state of the corresponding first low-voltage load switching terminal 211. Multiple second low-voltage load switching terminals 212 are installed, each of which can switch on multiple low-voltage loads on multiple paths, and a fifth switch module 205 is installed between the second low-voltage load switching terminal 212 of each path and the third switch module 203, and the fifth switch module 205 controls the power-up state of the corresponding second low-voltage load switching terminal 212, thereby realizing independent control management for each low-voltage load.

[0081] In one embodiment, as shown in Figure 6, the low-voltage battery 300 may be composed of multiple battery units BAT.

[0082] In one embodiment, as shown in Figure 6, in the vehicle power distribution integrated architecture 800 of this embodiment, the first switch module 101 includes a first switch transistor Q1, which may be a bidirectional switch device, the first end of the first switch transistor Q1 is connected to a low-voltage battery 300, the second end of the first switch transistor Q1 is connected to the second end of a third switch module 203, and both control ends of the first switch transistor Q1 are connected to a controller 120. The bidirectional switch device is controlled by the controller 120 and can control the charging and discharging of the low-voltage battery 300. The second end of the third switch module 203 is connected to the low-voltage battery 300 via the first switch module 101. When the first switch module 101 is under first conduction conditions, the low-voltage battery 300 supplies power to the first low-voltage load-on terminal 211 or the second low-voltage load-on terminal 212 via the first switch module 101. At this time, the low-voltage power input terminal 400 cannot charge the low-voltage battery 300.

[0083] When the first switch module 101 is under the second conduction condition, the low-voltage power input terminal 400 charges the low-voltage battery 300 via the first switch module 101.

[0084] When the first switch module 101 is under an interruption condition, the connection between the low-voltage battery 300 and the third switch module 203 and the fifth switch module 205 is interrupted.

[0085] In some embodiments, the first switch transistor Q1 may be a MOS device.

[0086] In some embodiments, as shown in Figure 6, the third switch module 203 includes a third switch transistor Q3, with the first and second ends of the third switch transistor Q3 being the first and second ends of the third switch module 203, respectively. The third switch transistor Q3 may also be a bidirectional switch device, and both control terminals of the third switch transistor Q3 are connected to the controller 120. When the first switch module 101 is under the first conduction condition and the third switch module 203 is under the first conduction condition, the low-voltage battery 300 supplies power to the first low-voltage load-on terminal 211 via the first switch module 101 and the third switch module 203. At this time, the low-voltage power supply input terminal 400 may supply power to the first low-voltage load-on terminal 211 via the second switch module 202, but the current output from the low-voltage power supply input terminal 400 cannot pass through the third switch module 203.

[0087] In one embodiment, a high-power low-voltage load may be connected to the first low-voltage load connection terminal 211. Since the battery management module 100 and the low-voltage power distribution module 200 are integrated on the same circuit board 123, when the controller 120 detects that the output power of the low-voltage power input terminal 400 cannot meet the power demand of the first low-voltage load connection terminal 211, it may control the first switch module 101 and the third switch module 203 to be under the first conduction condition, thereby causing the low-voltage battery 300 to perform power compensation for the high-power low-voltage load connected to the first low-voltage load connection terminal 211, thus avoiding the problem of power supply instability caused by excessive power from the connected low-voltage load.

[0088] In some embodiments, the third switch transistor Q3 may be a MOS device.

[0089] In some embodiments, as shown in Figure 6, the second switch module 202 includes a second switch transistor Q2, the first end of which is connected to a low-voltage power input terminal 400, the second end of which is connected to a first low-voltage load-on terminal 211 via a fourth switch module 204, or the second end of which is connected to the first end of a third switch module 203, the control terminal of which is connected to a controller 120, and the second switch transistor Q2 is turned on or off based on a control signal sent from the controller 120.

[0090] In some embodiments, the second switch transistor Q2 may be a MOS device.

[0091] In some embodiments, as shown in Figure 6, the fourth switch module 204 includes a plurality of switch devices (switch devices Q1p, ..., switch device Qnp), the first low-voltage load connection terminal 211 includes a plurality of load connection terminals (load connection terminals L1p, ..., load connection terminal Lnp), each of which is connected to the first terminal of the third switch module 203 via a plurality of switch devices (switch devices Q1p, ..., switch device Qnp), and each of the plurality of switch devices (switch devices Q1p, ..., switch device Qnp) is controlled by the controller 120, which controls the on / off state of each switch device to achieve the objective of managing the distribution of low-voltage loads connected to each load connection terminal.

[0092] In some embodiments, as shown in Figure 6, the fifth switch module 205 includes a plurality of switch devices (switch devices Q1s, ..., switch device Qns), the second low-voltage load connection terminal 212 includes a plurality of load connection terminals (load connection terminals L1s, ..., load connection terminal Lns), each of which is connected to the second terminal of the third switch module 203 via a plurality of switch devices (switch devices Q1s, ..., switch device Qns), and each of the plurality of switch devices (switch devices Q1s, ..., switch device Qns) is controlled by the controller 120, which controls the on / off state of each switch device to achieve the objective of managing the distribution of low-voltage loads connected to each load connection terminal.

[0093] In some embodiments, the switch devices Q1s, ..., Qns, Q1s, ..., and Qns are all MOS devices.

[0094] In some embodiments, the first switch transistor Q1, the second switch transistor Q2, the third switch transistor Q3, the switch devices Q1s, ..., and Qns are all MOS devices, and the first switch transistor Q1, the second switch transistor Q2, the third switch transistor Q3, the switch devices Q1s, ..., and Qns are integrated with the controller 120 on the same circuit board, reducing the communication wire harness installed between the independent low-voltage power distribution system and the independent thermal management system, eliminating the need to install a separate controller and associated SBC power supply chip, saving chip usage, and reducing the probability of failures occurring in the power supply and communication wire harness in the vehicle low-voltage power distribution system.

[0095] In some embodiments, as shown in Figure 7, the low-voltage power distribution module 200 and the battery management module 100 are integrated on the same circuit board 123.

[0096] In this embodiment, the battery management module 100 and the low-voltage power distribution module 200 share the same controller 120. The battery management module 100 and the low-voltage power distribution module 200 utilize the same controller 120 in multiplexed configurations. The battery management module 100 is configured by the controller 120 and some of its surrounding drive devices to manage the state of the low-voltage battery, while the low-voltage power distribution module 200 is configured by the controller 120 and other parts of its surrounding drive devices to control the power distribution to the low-voltage load connected to the low-voltage load connection terminal 210. The low-voltage power distribution module 200 and the battery management module 100 are integrated on the same circuit board 123. The controller 120 and the external drive devices that need to be controlled are also integrated on the same circuit board. This avoids the problem of needing to connect the circuit boards with a large number of wire harnesses to install the conventional battery management module 100 and low-voltage power distribution module 200 independently, and simplifies the circuit, thereby reducing the probability of wire harness failures.

[0097] In some embodiments, the external pins of the controller 120 can not only configure the surrounding drive devices and the low-voltage power distribution module 200 and battery management module 100, but the external pins can also be expanded. For example, the external expansion pins can be welded onto expansion circuits on the circuit board 123, and the expansion circuits on the circuit board 123 can be connected by multiple bonding pads, thereby customizing and redundanting the functions of the external expansion pins of the controller 120 and achieving the objective of customizing vehicle functions.

[0098] In some embodiments, as shown in Figure 8, the vehicle power distribution integrated architecture further includes a vehicle heat sink 310, the circuit board 123 is installed on the first side of the vehicle heat sink 310, the low-voltage battery 300 is installed on the second side of the vehicle heat sink 310, the second side of the vehicle heat sink 310 faces the first side of the vehicle heat sink 310, and the vehicle heat sink 310 is used to dissipate heat from the circuit board 123 and the low-voltage battery 300.

[0099] In this embodiment, the low-voltage battery 300 and the circuit board 123 are installed on opposite sides of the same vehicle heat sink 310. By having the low-voltage battery 300 and the circuit board 123 share the same vehicle heat sink 310, the heat dissipation efficiency of the vehicle heat sink 310 can be improved, and the volume of the vehicle can be reduced.

[0100] In some embodiments, as shown in Figure 9, the low-voltage battery assembly includes a lower product cover 125 and a upper product cover 126, the low-voltage battery 300 is housed within the lower product cover 125, the lower product cover 125 has a concave structure, the lower product cover 125 and the upper product cover 126 form a housing cavity, the circuit board 123 and the vehicle heat sink 310 are mounted on the low-voltage battery 300, the circuit board 123 and the vehicle heat sink 310 are fixed by a mounting structure, where the distance between the circuit board 123, the vehicle heat sink 310 and the low-voltage battery 300 may be set based on the heat dissipation requirements and the requirements of the wire harness. In this embodiment, the battery management module 100, the low-voltage power distribution module 200, and the low-voltage battery 300 are integrated into a low-voltage battery assembly. Heat dissipation fins are installed on the side of the circuit board 123 closest to the low-voltage battery 300. The side of the circuit board 123 closest to the product top cover 126 is used for welding the controller 120 and associated power devices in the battery management module 100 and the low-voltage power distribution module 200. By determining the shape of the product top cover 126 according to the shape of the controller 120 and associated power devices, the shapes of the battery management module 100 and the low-voltage power distribution module 200 are adapted to the shape of the product top cover 126. This not only reduces the volume of the vehicle low-voltage power distribution system but also shortens the wire harness distance between the low-voltage battery 300 and the battery management module 100, and also shortens the wire harness distance between the low-voltage battery 300 and the low-voltage power distribution module 200, thereby reducing the probability of failures occurring in the power and communication wire harnesses in the vehicle low-voltage power distribution system.

[0101] In some embodiments, the vehicle heat sink 310 may be a water cooler, which is installed between the circuit board 123 and the low-voltage battery 300. After the vehicle is started, the water cooler absorbs the heat released from the low-voltage battery 300 and the circuit board 123, improving the efficiency of the use of the vehicle's internal space and reducing the size and volume of the vehicle management system.

[0102] In some embodiments, the controller 120 has at least two kernels.

[0103] In this embodiment, the controller 120 has at least two kernels, and multiple functions of the controller 120 can be assigned to multiple kernels to improve the processing efficiency of the controller 120.

[0104] In some embodiments, at least one kernel of the controller 120 is used to process a sampling signal to obtain sampling data, and at least one kernel of the controller 120 is used to generate control data based on the sampling data and to output a corresponding control signal based on the control data to control the operating state of the low-voltage battery 300.

[0105] In this embodiment, the controller 120 includes at least two kernels, one or part of which may be used to process a sampling signal to obtain corresponding sampling data, and another kernel or part of which may be used to process the sampling data, obtain control data according to a preset calculation, generate a control signal based on the control data and output it to a peripheral drive device, thereby controlling the operating state of the drive device and thus controlling the operating state of the low-voltage battery 300.

[0106] In some embodiments, at least one kernel of the controller 120 is used to process a sampling signal to obtain sampling data, and at least one kernel of the controller 120 is used to generate control data based on the sampling data and to output a corresponding control signal based on the control data to control the distribution power of a low-voltage load.

[0107] In this embodiment, the controller 120 includes at least two kernels, one or part of which may be used to process a sampling signal to obtain corresponding sampling data, and another kernel or part of a kernel may be used to process the sampling data, obtain control data according to a preset calculation, generate a control signal based on the control data and output it to a peripheral drive device, thereby controlling the operating state of the drive device and controlling the power distribution of a low-voltage load.

[0108] In some embodiments, as shown in Figure 10, the vehicle power distribution integrated architecture includes an SBC power supply module 510, which is connected to a controller 120 and used to supply power to the controller 120.

[0109] In this embodiment, the SBC power supply module 510 in the vehicle power distribution integrated architecture may be integrated into the battery management module 100 or into the low-voltage power distribution module 200, and the power source for the SBC power supply module 510 may be the low-voltage battery 300. By having the battery management module 100 and the low-voltage power distribution module 200 redundantly connect to the SBC power supply module 510, it is possible to save chips required for the vehicle power distribution integrated architecture, reduce the use of wire harnesses within the vehicle power distribution integrated architecture, and improve circuit stability.

[0110] In some embodiments, the power input terminals of the SBC power supply module 510 are connected to the low-voltage battery 300 and the low-voltage power input terminal 400, respectively, and the power output terminals of the SBC power supply module 510 are connected to the controller 120.

[0111] In this embodiment, the power input terminal of the SBC power supply module 510 can obtain power from either the low-voltage battery 300 or the low-voltage power input terminal 400, respectively. By converting the voltage input from the low-voltage battery 300 or the low-voltage power input terminal 400 into the power supply voltage for the controller 120, the objective of supplying power to the controller 120 is achieved, and the problem of requiring an additional wire harness for the controller 120 to obtain power from an external power source is avoided.

[0112] In some embodiments, the power input terminal of the SBC power supply module 510 may be connected simultaneously to the low-voltage battery 300 and the low-voltage power input terminal 400. A single-pass reverse current prevention circuit can be installed between the power input terminal of the SBC power supply module 510 and the low-voltage battery 300, and a single-pass reverse current prevention circuit can be installed between the power input terminal of the SBC power supply module 510 and the low-voltage power input terminal 400 to prevent reverse current flow when the low-voltage battery 300 and the low-voltage power input terminal 400 output current, thereby improving the safety of the power supply circuit.

[0113] The power management chip (System Base Chip, SBC) is the provider of the operating voltage for the controller 120 and its peripheral devices. Without power from the SBC, the controller's peripheral devices cannot operate. In this embodiment, the controller 120 constitutes a battery management module 100 with some power devices, and the controller 120 constitutes a low-voltage power distribution module 200 with other power devices. The controller 120 integrates functions for managing the low-voltage battery 300 and controlling power distribution to low-voltage loads. Therefore, the SBC power supply module 510 can supply power to the controller 120 and its peripheral power devices by outputting voltages in multiple paths based on the input power supply. This allows power supply to the elements of the low-voltage power distribution system of the complete vehicle to be achieved with just one SBC chip, saving SBC chips and streamlining the low-voltage power distribution system. By optimizing the power management scheme of the SBC, the problem inherent in independent SBC schemes, where performance becomes unstable due to mismatches in power supply voltages, is reduced, and the operational consistency between power devices and chips in the low-voltage distribution system is improved. For example, the SBC power supply module 510 may output a single-pass 3.3V independent power supply to power the controller 120, also output a single-pass 3.3V independent power supply to power the analog chips on the circuit board 123, and output a single-pass 5V independent power supply to power the communication chips on the circuit board 123. The input power supplies of the SBC power supply module 510 are matched, and the consistency of its output voltages can be improved.

[0114] In some embodiments, as shown in Figure 11, the vehicle power distribution integrated architecture further includes a sampling module 520, which is used to sample voltages to the sampling nodes of the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200 and generate a sampling signal. A controller 120 is connected to the sampling module 520 and is further used to control the operating state of the low-voltage battery 300 based on the sampling signal.

[0115] In this embodiment, multiple sampling nodes are installed on the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200. Sampling is performed on the voltages of the multiple sampling nodes to obtain sampling signals. The controller 120 controls the operating state of the low-voltage battery 300 by determining whether the voltage of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signals. As a result, the operating state of the low-voltage battery 300 can be adjusted in real time based on the electrical parameters of the low-voltage power distribution module 200 and the low-voltage battery 300, reducing safety risks due to circuit failures.

[0116] In some embodiments, the sampling module 520 is used to sample current from the sampling nodes of the low-voltage battery 300, the battery management module 100, and the low-voltage power distribution module 200 and generate a sampling signal, and the controller 120 is further used to control the operating state of the low-voltage battery 300 based on the sampling signal.

[0117] In this embodiment, multiple sampling nodes are installed in the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200. Sampling is performed on the current of the multiple sampling nodes to obtain a sampling signal. The controller 120 controls the operating state of the low-voltage battery 300 by determining whether the current of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signal. As a result, the low-voltage battery 300 can adjust its operating state in real time based on the electrical parameters of the low-voltage power distribution module 200 and the low-voltage battery 300, thereby reducing safety risks due to circuit failures.

[0118] In some embodiments, the low-voltage power distribution module 200 and the battery management module 100 are integrated on the same circuit board 123, and the low-voltage power distribution module 200 is connected to the battery management module 100. The output current can be sampled simply by sampling at a common node between the low-voltage power distribution module 200 and the battery management module 100, thus saving one current sampling chip.

[0119] In some embodiments, the sampling module 520 is used to sample current and voltage from the sampling nodes of the low-voltage battery 300, the battery management module 100, and the low-voltage power distribution module 200 to generate a sampling signal, and the controller 120 is further used to control the operating state of the low-voltage battery 300 based on the sampling signal.

[0120] In this embodiment, multiple sampling nodes are installed in the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200. Sampling is performed on the voltage or current of the multiple sampling nodes to obtain a sampling signal. The controller 120 controls the operating state of the low-voltage battery 300 by determining whether the voltage or current of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signal. As a result, the operating state of the low-voltage battery 300 can be adjusted in real time based on the electrical parameters of the low-voltage power distribution module 200 and the low-voltage battery 300, reducing safety risks due to circuit failure or failure of the low-voltage battery 300.

[0121] In some embodiments, the sampling module 520 may further sample the temperatures of multiple sampling nodes installed in the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200 to obtain corresponding sampling signals. The controller 120 controls the operating state of the low-voltage battery 300 by determining whether the temperature of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signals. This allows the low-voltage battery to adjust its operating state in real time based on the electrical parameters of the low-voltage power distribution module 200 and the low-voltage battery 300, thereby reducing safety risks due to circuit failures.

[0122] In some embodiments, the controller 120 includes at least two kernels, and after the battery management module 100 and the low-voltage power distribution module 200 multiplex the same controller 120, the data collected by the sampling module 520 may be output directly to the controller 120 and processed uniformly by the controller 120. This eliminates the need for a higher-level processor to send messages via the CAN bus, reducing the problem of information loss due to message failures without being affected by external factors.

[0123] In some embodiments, the controller 120 is further used to control the operating state of the low-voltage power distribution module 200 based on the sampling signal.

[0124] In this embodiment, multiple sampling nodes are installed in the low-voltage battery 300, battery management module 100, and low-voltage power distribution module 200. Sampling is performed on the voltage or current of the multiple sampling nodes to obtain a sampling signal. The controller 120 controls the operating state of the low-voltage battery 300 by determining whether the voltage or current of the sampling node corresponding to the sampling signal satisfies the operating conditions of the current operating state based on the received sampling signal. As a result, the low-voltage battery 300 can adjust the operating state of the low-voltage power distribution module 200 in real time based on the electrical parameters of the low-voltage power distribution module 200 and the low-voltage battery 300, thereby reducing safety risks due to circuit failure or failure of the low-voltage battery 300.

[0125] In some embodiments, when the low-voltage load switching terminal 210 of the low-voltage distribution module 200 is switching on multiple power-consuming low-voltage loads, the controller 120 is... Time difference Control it to increase its power.

[0126] In this embodiment, each of the multiple low-voltage load connection terminals of the low-voltage distribution module 200 can connect to multiple low-voltage loads that consume power, and when multiple low-voltage loads that consume power are connected, the controller 120 will... Time difference By controlling the power-up, the output current of the low-voltage distribution module 200 can be increased, avoiding the problem of the output current becoming too high and posing a safety risk due to the simultaneous power-up of multiple low-voltage load input terminals 210.

[0127] In some embodiments, as shown in Figure 12, the vehicle power distribution integrated architecture is AFE (Analog Front End) The system further includes module 530, which is connected to the low-voltage battery 300 and the controller 120, respectively. The AFE module 530 is used to collect information from the low-voltage battery 300 and to interact with the controller 120.

[0128] In this embodiment, the AFE module 530 is simultaneously connected to the low-voltage battery 300 and the controller 120, and the AFE module 530 may collect information from the low-voltage battery 300 and interact with the controller 120 for information. In some embodiments, the controller 120 is connected to the AFE module 530 via a non-multiplexed synchronous serial communication interface.

[0129] In this embodiment, the controller 120 is connected to the AFE module 530 via a non-multiplexed synchronous serial communication interface, and high-speed full-duplex communication may be established between the controller 120 and the AFE module 530, performing data transmission of the type set on the data pins of the controller 120, and for example, each communication module may correspond to one interaction function module without being affected by other pins or modules.

[0130] In some embodiments, the output voltage range of the low-voltage battery 300 is 12V to 72V.

[0131] In some embodiments, the low-voltage battery 300 includes a 12-volt lithium-ion battery or sodium-ion battery, or other rechargeable battery.

[0132] In some embodiments, the low-voltage battery 300 includes a 24-volt lithium-ion battery or sodium-ion battery, or other rechargeable battery.

[0133] In some embodiments, the low-voltage battery 300 includes a 48-volt lithium-ion battery, a sodium-ion battery, or another rechargeable battery.

[0134] In some embodiments, the low-voltage battery 300 includes a 72V lithium-ion battery or sodium-ion battery, or other rechargeable battery.

[0135] In this embodiment, the vehicle power distribution integrated architecture in the embodiment of this application may be applied to gasoline vehicles and new energy vehicles, where the output voltage of the in-vehicle low-voltage battery is 72V or less.

[0136] Embodiments of this application further provide a vehicle management system including the vehicle power distribution integrated architecture described in any one of the embodiments described above.

[0137] The vehicle management system in this embodiment is not limited to passenger cars or commercial vehicles, but may also be applied to low-voltage batteries located in gasoline vehicles or new energy vehicles.

[0138] Embodiments of this application further provide an automobile including the vehicle power distribution integrated architecture described in any one of the embodiments described above.

[0139] In this embodiment, by integrating the vehicle power distribution integrated architecture described in any one of the above embodiments into the automobile, the low-voltage power distribution module and the battery management module can be integrated into a single structural component. Furthermore, by multiplexing the same controller between the low-voltage power distribution module and the battery management module and optimizing the electrical architecture of the vehicle management system, the related components of the finished vehicle are simplified, and the cost of the finished vehicle is significantly reduced.

[0140] For the sake of convenience and brevity, the above classifications of functional units and modules have been described as examples, as will be clearly evident to those skilled in the art. However, in actual applications, the assignment of the above functions may be completed by different functional units and modules as needed; that is, the internal structure of the device may be divided into different functional units or modules to complete all or some of the functions described above. In the embodiments, each functional unit and module may be integrated into a single processing unit, each unit may exist physically independently, or two or more units may be integrated into a single unit. Furthermore, the specific names of each functional unit and module are merely for the convenience of classification and are not intended to limit the scope of protection of this application. The specific operating processes of the units and modules in the above system should be described by referring to the corresponding processes in the method embodiments described above, and will not be explained here.

[0141] In the above embodiments, each embodiment has its own emphasis, and for parts not described or elaborated upon in one embodiment, refer to the relevant descriptions in other embodiments.

[0142] It should be understood that, in the embodiments of this application, the presented devices and methods may be implemented in other ways. For example, the embodiments of electronic devices described above are only schematic. For example, the division of modules or units is merely a logical functional division, and in actual implementation, there may be other division methods, for example, multiple units or assemblies may be combined or integrated into another system, or some features may be ignored or not performed. Also, the combination or direct combination or communication connection between those shown or discussed may be an indirect combination or communication connection by some interface, device or unit, and may be of electrical, mechanical or other forms.

[0143] The units described as separating members may or may not be physically separated, and the members shown as units may or may not be physical units, may be located in one place, or may be distributed among multiple network units. Some or all of these units can be selected as needed to achieve the objectives of this embodiment.

[0144] Furthermore, each functional unit in each embodiment of this application may be integrated into a single processing unit, each unit may exist physically independently, or two or more units may be integrated into a single unit. The integrated unit may be implemented in hardware form or in software functional unit form.

[0145] The embodiments described above are for illustrative purposes only and are not intended to limit the technical proposal of this application. While the present application has been described in detail with reference to the embodiments described above, it will be understood by those skilled in the art that it is still possible to modify the technical proposals described in the embodiments above, or to replace some of their technical features with equivalent substitutions. Such modifications or substitutions should not cause the essence of the applicable technical proposal to deviate from the spirit and scope of the technical proposals in the embodiments of this application, and should all fall within the scope of protection of this application.

Claims

1. A vehicle power distribution integrated architecture for integration into a vehicle, comprising a low-voltage battery, a battery management module, and a low-voltage power distribution module, The low-voltage battery is electrically connected to the low-voltage power distribution module. The low-voltage distribution module is provided with a low-voltage load connection terminal for connecting a low-voltage load, The battery management module and the low-voltage power distribution module share the same controller, which integrates the function of managing the low-voltage battery and the function of controlling power distribution to the low-voltage load. A vehicle power distribution integrated architecture characterized in that the controller constitutes some power devices and the battery management module, the controller constitutes another part of the power devices and the low-voltage power distribution module, and the controller controls the multiple low-voltage load input terminals of the low-voltage power distribution module to power up in a time-delayed manner when the low-voltage load input terminal is connected to multiple power-consuming low-voltage loads.

2. The aforementioned vehicle power distribution integrated architecture is, It further includes a low-voltage power input terminal electrically connected to the low-voltage power distribution module for supplying a low-voltage power converted by a power battery, The vehicle power distribution integrated architecture according to claim 1, further characterized in that the low-voltage power distribution module is used to allocate power to the low-voltage power supply.

3. The battery management module further includes a first switch module controlled by the controller, The vehicle power distribution integrated architecture according to claim 2, characterized in that the first switch module is used to manage the charging and discharging process of the low-voltage battery under the control of the controller.

4. The vehicle power distribution integrated architecture according to claim 3, characterized in that the low-voltage battery is electrically connected to the low-voltage power distribution module via the first switch module.

5. The low-voltage power distribution module further includes a second switch module controlled by the controller, The vehicle power distribution integrated architecture according to claim 3, characterized in that the second switch module is used to control the input state of the low-voltage power supply input terminal.

6. The second switch module is connected between the low-voltage power input terminal and the low-voltage load application terminal, and / or The vehicle power distribution integration architecture according to claim 5, characterized in that the second switch module is connected between the low-voltage power input terminal and the battery management module.

7. The low-voltage power distribution module further includes a third switch module controlled by the controller, The vehicle power distribution integrated architecture according to claim 5, characterized in that the third switch module is used to control the direction of current between the low-voltage power input terminal and the low-voltage battery.

8. The vehicle power distribution integration architecture according to claim 7, characterized in that the third switch module is connected between the second switch module and the first switch module.

9. The low-voltage load connection terminal includes a first low-voltage load connection terminal and a second low-voltage load connection terminal. The vehicle power distribution integrated architecture according to claim 7, characterized in that the first low-voltage load connection terminal and the second low-voltage load connection terminal are connected to the first and second terminals of the third switch module, respectively.

10. The low-voltage power distribution module is A fourth switch module is connected between the first end of the third switch module and the first low-voltage load-on end, and is controlled by the controller, The vehicle power distribution integration architecture according to claim 9, further comprising a fifth switch module connected to the second end of the third switch module and the second low-voltage load-on end, and controlled by the controller.

11. The vehicle power distribution integration architecture according to any one of claims 1 to 10, characterized in that the low-voltage power distribution module and the battery management module are integrated on the same circuit board.

12. The vehicle power distribution integrated architecture according to claim 11, further comprising a vehicle heat sink, wherein the circuit board is installed on the first side of the vehicle heat sink, the low-voltage battery is installed on the second side of the vehicle heat sink, the second side of the vehicle heat sink faces the first side of the vehicle heat sink, and the vehicle heat sink is used to dissipate heat from the circuit board and the low-voltage battery.

13. The vehicle power distribution integrated architecture according to any one of claims 1 to 10, characterized in that the controller kernel has at least two kernels.

14. The vehicle power distribution integrated architecture according to claim 13, wherein at least one kernel of the controller is used to process a sampling signal to obtain sampling data, and at least one kernel of the controller is used to generate control data based on the sampling data, and to output a corresponding control signal based on the control data to control the operating state of the low-voltage battery and / or control the power distribution of the low-voltage load.

15. The aforementioned vehicle power distribution integrated architecture is, A vehicle power distribution integrated architecture according to any one of claims 1 to 10, characterized in that it includes a power management chip power supply module connected to the controller for supplying power to the controller.

16. The vehicle power distribution integrated architecture according to claim 15, characterized in that the power input terminal of the power management chip power supply module is connected to the low-voltage battery and / or low-voltage power input terminal, and the power output terminal of the power management chip power supply module is connected to the controller.

17. The aforementioned vehicle power distribution integrated architecture is, The system further includes a sampling module for performing voltage sampling and / or current sampling on the sampling nodes of the low-voltage battery, the battery management module, and the low-voltage power distribution module, and for generating a sampling signal. The vehicle power distribution integrated architecture according to any one of claims 1 to 10, wherein the controller is connected to the sampling module, and the controller is further used to control the operating state of the low-voltage battery and / or the low-voltage power distribution module based on the sampling signal.

18. The vehicle power distribution integrated architecture according to claim 1, further comprising analog front-end modules connected to the low-voltage battery and the controller, respectively, which are used to collect information from the low-voltage battery and to interact with the controller, wherein the controller is connected to the analog front-end modules via a non-multiplexed synchronous serial communication interface.

19. A vehicle management system characterized by including a vehicle power distribution integrated architecture according to any one of claims 1 to 10 or 18.

20. An automobile characterized by including a vehicle power distribution integrated architecture as described in any one of claims 1 to 10 or 18.

Images