CN220904699U - Vehicle integrated direct-drive thermal management controller architecture, vehicle management system and automobile - Google Patents

Abstract

The application discloses a vehicle integrated direct-drive thermal management controller architecture, a vehicle management system and an automobile, wherein the vehicle integrated direct-drive thermal management controller architecture comprises: the low-voltage battery, the battery management module and the thermal management module, wherein the low-voltage battery is connected with the battery management module, the thermal management module is provided with a load access end which is accessed with a thermal management load, the battery management module and the thermal management module share the same controller, and the control module in the battery management scheme, the control module in the thermal management scheme and the drive module in the thermal management scheme are creatively integrated into the same controller through integrating the function of managing the low-voltage battery and the function of managing the thermal management load in the controller, so that a control circuit is simplified, and the low-voltage battery thermal management system has the characteristics of low cost, simple architecture and the like.

Description

Vehicle integrated direct-drive thermal management controller architecture, vehicle management system and automobile

Technical Field

The application relates to the technical field of automobiles, in particular to a vehicle integrated direct-drive thermal management controller architecture, a vehicle management system and an automobile.

Background

The existing low-voltage power distribution of the automobile body mainly adopts a discrete low-voltage lithium ion battery technology, a fuse box product is arranged to realize the primary power distribution of a thermal management load, and then a battery management system is used for carrying out battery management on the low-voltage lithium ion battery.

However, in the current power supply architecture, the low-voltage power distribution system adopts a discrete low-voltage lithium ion battery technology, and meanwhile, a separate thermal management system scheme is carried on other circuit boards, and two products are independently arranged, so that the problems of large size and incapability of integrated control exist, and more redundant devices are required to be designed for the two systems, so that the system cost is increased.

Disclosure of utility model

In view of the above problems, the application provides a vehicle integrated direct-drive thermal management controller architecture, a vehicle management system and an automobile, which can solve the problems that the current vehicle power supply architecture has large size and cannot be controlled in an integrated way due to independent arrangement of a battery management system and a thermal management system, and the system cost is increased.

A first aspect of an embodiment of the present application provides a vehicle integrated direct drive thermal management controller architecture, including: a low voltage battery, a battery management module, and a thermal management module;

the low-voltage battery is electrically connected with the battery management module;

The thermal management module is configured with a load access terminal for accessing a thermal management load;

The battery management module and the thermal management module share the same controller, and the controller integrates the function of managing the low-voltage battery and the thermal management load.

In the technical scheme of the embodiment of the application, the thermal management module is provided with the load access end for accessing the thermal management load, the battery management module manages the charge and discharge process of the low-voltage battery, the thermal management module is controlled by the controller to manage the thermal management load, the battery management module and the thermal management module share the same controller, and the battery management scheme and the control module in the thermal management scheme are creatively integrated to the same controller by integrating the function of managing the battery and the function of managing the thermal management load in the controller, so that the control circuit is simplified, and the device has the characteristics of low cost, simple architecture and the like.

In some embodiments, the battery management module includes: the first switch module is controlled by the controller;

The first switch module is used for managing the charge and discharge process of the low-voltage battery under the control of the controller.

In the technical scheme of the embodiment of the application, the first switch module is controlled by the controller, and the controller controls the switch state of the first switch module to execute the charge and discharge operation of the battery, so that the first switch module can be reused by the heat management module, and the first switch module performs power distribution management on the heat management module, thereby reducing the wire harness between the heat management module and the battery management module and reducing the problem of potential safety hazard caused by short circuit of the wire harness between different circuit boards.

In some embodiments, the low voltage battery is electrically connected to the thermal management module via the first switch module.

In the technical scheme of the embodiment of the application, the first switch module is connected between the low-voltage battery and the thermal management module, the low-voltage battery is electrically connected with the thermal management module through the first switch module, the first switch module is controlled by the controller, the switch state of the first switch module is controlled by the controller, the switch state between the low-voltage battery and the thermal management module is controlled by the first switch module, and the power distribution output of the thermal management module is controlled by the first switch module, so that the thermal management module and the battery management module can reuse the first switch module, the wire harnesses between the thermal management module and the battery management module are reduced, and the problem of potential safety hazards caused by short circuit of the wire harnesses between different circuit boards is reduced.

In some embodiments, the controller is further coupled to the thermal management load, the controller configured to send a thermal management control signal to the thermal management load to manage the thermal management load.

In the technical scheme of the embodiment of the application, the controller can be directly connected with the thermal management load, the thermal management control signal is sent to the thermal management load, and the thermal management load can adjust the state of the thermal management load according to the received thermal management control signal, so that the aim of thermally managing the vehicle under the condition of sharing the same controller with the battery management module is fulfilled.

In some embodiments, the thermal management module further comprises: a plurality of thermal management driving units;

The thermal management driving unit is used for managing the thermal management load according to the thermal management control instruction sent by the controller.

In the technical scheme of the embodiment of the application, the load access port is connected with a plurality of thermal management loads, each thermal management driving unit controls the state of the corresponding thermal management load according to the thermal management control instruction sent by the controller, and the thermal management load does not need to be connected with an independent power supply or an independent control line, so that the direct driving of the thermal management load is realized, the circuit layout of the thermal management load is simplified, and the thermal management load path is reduced.

In some embodiments, the thermal management module further comprises: a thermal management power distribution unit;

The thermal management power distribution unit is connected with the battery management module and is used for carrying out power distribution management on the plurality of thermal management driving units according to the power distribution instruction sent by the controller.

According to the technical scheme, the thermal management power distribution unit can perform power distribution management on the plurality of thermal management driving units according to the power distribution instruction sent by the controller, the load access end can be connected with the plurality of thermal management loads, and each thermal management driving unit controls the state of the corresponding thermal management load according to the thermal management control instruction sent by the controller, so that direct drive thermal management control of the vehicle is realized.

In some embodiments, the thermal management module further includes a plurality of sensor units, and the plurality of sensor units are configured to sample sampling nodes in the thermal management load to obtain thermal management sampling signals, and send the thermal management sampling signals to the controller; the controller is further configured to adjust a state of the thermal management driving unit according to the thermal management sampling signal.

According to the technical scheme, the sensor unit is used for sampling the thermal management load to obtain the working state of the thermal management load, the controller is used for judging whether the thermal management load works abnormally according to the thermal management sampling signal obtained by sampling, the state of the thermal management driving unit is adjusted in real time, and the probability of potential safety hazards of the whole vehicle is reduced.

In some embodiments, the thermal management drive unit includes at least one of a motor water pump control unit, a battery water pump control unit, an air conditioner water pump control unit, a fan control unit, a water valve control unit, an air intake grille control unit, an expansion valve control unit, a shut-off valve control unit, a stepper motor control unit, a blower control unit;

The motor water pump control unit is controlled by the controller and is used for controlling and driving the motor water pump;

The battery water pump control unit is controlled by the controller and is used for controlling and driving the battery water pump;

The air-conditioning water pump control unit is controlled by the controller and is used for controlling and driving the air-conditioning water pump;

the fan control unit is controlled by the controller and used for controlling and driving the electronic fan;

The water valve control unit is controlled by the controller and is used for controlling and driving the water valve;

The air inlet grille control unit is controlled by the controller and is used for controlling and driving the active air inlet grille;

The expansion valve control unit is controlled by the controller and is used for controlling and driving the expansion valve;

the stop valve control unit is controlled by the controller and is used for controlling and driving the stop valve;

the stepping motor control unit is controlled by the controller and is used for controlling and driving the single bipolar stepping motor air door;

the blower control unit is controlled by the controller and is used for controlling and driving the blower.

In some embodiments, the vehicle integrated-type direct drive thermal management controller architecture further comprises:

The sampling module is used for sampling voltage and/or current of the battery management module and the sampling node of the thermal management module and generating an electric parameter sampling signal;

the controller is connected with the sampling module and is also used for controlling the working state of the low-voltage battery according to the electric parameter sampling signal.

According to the technical scheme, the battery management module and the thermal management module are provided with the plurality of sampling nodes, the voltages or currents of the plurality of sampling nodes are sampled to obtain the electric parameter sampling signals, and the controller judges whether the voltages or currents of the sampling nodes corresponding to the electric parameter sampling signals meet the working conditions of the current working state according to the received electric parameter sampling signals, so that the working state of the low-voltage battery is controlled, the working state of the low-voltage battery can be adjusted in real time according to the electric parameters of the sampling nodes in the battery management module and the thermal management module, and potential safety hazards caused by the fact that the currents or voltages in a circuit exceed a safety threshold are reduced.

In some embodiments, the controller is further configured to control an operating state of the thermal management module based on the electrical parameter sampling signal.

According to the technical scheme, the battery management module and the thermal management module are provided with the plurality of sampling nodes, the voltages or currents of the plurality of sampling nodes are sampled to obtain the electrical parameter sampling signals, and the controller judges whether the voltages or currents of the sampling nodes corresponding to the electrical parameter sampling signals meet the working conditions of the current working state according to the received electrical parameter sampling signals, so that the working state of the thermal management module is controlled, the thermal management module can adjust the working state according to the electrical parameter sampling signals in real time, the working state of a thermal management load is controlled, and potential safety hazards caused by the fact that the currents or voltages in a circuit exceed a safety threshold are reduced.

In some embodiments, the sampling module is further configured to sample a temperature of a sampling node of the low-voltage battery and the thermal management load to obtain a temperature sampling signal;

The controller is also used for controlling the working state of the low-voltage battery according to the temperature sampling signal.

In the technical scheme of the embodiment of the application, the controller judges whether the temperature of the sampling node corresponding to the sampling signal meets the working condition of the current working state according to the received temperature sampling signal, so that the working states of the battery management module and the thermal management module are controlled, the battery management module and the thermal management module can adjust the working states of the battery management module and the thermal management module in real time according to the temperature of the sampling node, and the potential safety hazard caused by line faults is reduced.

In some embodiments, the vehicle integrated-type direct drive thermal management controller architecture further comprises:

The low-voltage power supply is connected with the battery management module through a power battery;

The battery management module is also used for controlling the charge and discharge of the low-voltage battery according to the low-voltage power supply.

In the technical scheme of the embodiment of the application, the low-voltage power supply obtained by voltage conversion of the power battery is connected to the input end of the low-voltage power supply, and the battery management module controls the working state of the low-voltage battery according to the low-voltage power supply so as to achieve the purpose of protecting the battery and the load.

In some embodiments, the battery management module and the thermal management module are integrated on the same circuit board.

In the technical scheme of the embodiment of the application, the battery management module and the thermal management module share the same controller, the battery management module is formed by the controller and a part of driving devices at the periphery of the controller to manage the state of the low-voltage battery, the thermal management module is formed by the controller and the thermal driving devices to manage the thermal management load, and the battery management module and the thermal management module are integrated on the same circuit board, so that the circuit is simplified, and the probability of failure of the wire harness is reduced.

In some embodiments, the vehicle integrated-type direct drive thermal management controller architecture further includes a vehicle heat sink; the circuit board is arranged on the first side of the vehicle cooling plate, the low-voltage battery is arranged on the second side of the vehicle cooling plate, and the second side of the vehicle cooling plate is opposite to the first side of the vehicle cooling plate.

In the technical scheme of the embodiment of the application, the circuit board and the low-voltage battery are respectively arranged at two sides of the same vehicle cooling plate, and the circuit board and the low-voltage battery share the same vehicle cooling plate, so that the cooling efficiency of the interior of the vehicle can be improved, and the volume of the vehicle can be reduced.

In some embodiments, the controller has at least 2 cores.

According to the technical scheme provided by the embodiment of the application, the number of the cores of the controller is at least 2, so that multiple functions of the controller can be distributed to multiple cores, and the processing efficiency of the controller is improved.

In some embodiments, at least one core of the controller is configured to process a sampling signal to obtain sampling data, and at least one core of the controller is configured to generate control data according to the sampling data, and output a corresponding control signal to control an operating state of the low-voltage battery and/or control an operating state of the thermal management load based on the control data.

In the technical scheme of the embodiment of the application, the controller at least comprises 2 cores, one core or a part of cores can be used for processing sampling signals to obtain corresponding sampling data, the other core or another part of cores can be used for processing the sampling data, control data is obtained according to preset operation, a control signal is generated based on the control data and is output to a peripheral driving device, the working state of a battery is controlled by controlling the working state of the driving device, and/or the working state of a thermal management module is controlled by controlling the working state of the thermal driving device.

In some embodiments, the vehicle integrated-type direct drive thermal management controller architecture includes:

The SBC power supply module is connected with the controller and is used for supplying power to the controller; the power input end of the SBC power supply module is connected with the low-voltage battery and the low-voltage power input end respectively, and the power output end of the SBC power supply module is connected with the controller.

In the technical scheme of the embodiment of the application, an SBC power supply module is integrated in the battery management module and is used for supplying power to the controller, and the power source of the SBC power supply module can be a low-voltage battery; the power input end of the SBC power supply module can be powered from the low-voltage battery or the low-voltage power input end respectively, and the purpose of supplying power to the controller is achieved by converting the voltage input by the low-voltage battery or the low-voltage power input end into the power supply voltage of the controller, so that the problem that the controller needs an extra wire harness for powering from an external power supply is avoided.

In some embodiments, the controller controls time-sharing power-up of a plurality of the load access terminals of the battery management module if the load access terminals access a plurality of thermal management loads.

In the technical scheme of the embodiment of the application, the plurality of load access terminals of the battery management module can be respectively connected with the plurality of power utilization loads, and under the condition of connecting the plurality of power utilization loads, the controller can improve the output current of the battery management module by controlling the plurality of load access terminals to be electrified in a time-sharing manner, so that the problem of potential safety hazards caused by overhigh output current due to simultaneous electrification of the plurality of load access terminals is avoided.

In some embodiments, the vehicle integrated-type direct drive thermal management controller architecture further comprises: and the AFE module is respectively connected with the low-voltage battery and the controller, and is used for collecting information of the low-voltage battery and carrying out information interaction with the controller.

In the technical proposal of the embodiment of the application, the AFE module is connected with the low-voltage battery and the controller at the same time, can collect information from the low-voltage battery through the AFE module and exchange information with the controller,

In some embodiments, the controller is coupled to the AFE module via a non-multiplexed synchronous serial communication interface.

In the technical scheme of the embodiment of the application, the controller is connected with the AFE module through the non-multiplexing synchronous serial communication interface, high-speed full duplex communication can be established between the controller and the AFE module, and the data pins of the controller execute data transmission of a set type, for example, each communication module corresponds to one interactive function module and can not be influenced by other pins or modules.

In some embodiments, the battery management module includes: the first switch module is controlled by the controller;

the low-voltage battery is electrically connected with the load access terminal through the first switch module.

In the technical scheme of the embodiment of the application, the first switch module is connected between the low-voltage battery and the battery management module, the first switch module is controlled by the controller, and the controller controls the switch state of the first switch module to execute the charge and discharge operation of the low-voltage battery, so that the battery management module and the thermal management module can reuse the first switch module, the wire harness between the battery management module and the battery management module is reduced, and the problem of potential safety hazard caused by short circuit of the wire harness between different circuit boards is reduced.

A second aspect of an embodiment of the present application further provides a vehicle management system, including a vehicle integrated direct drive thermal management controller architecture as described in any one of the embodiments above.

A third aspect of an embodiment of the present application also provides an automobile, including a vehicle integrated direct drive thermal management controller architecture as described in any one of the embodiments above.

According to the technical scheme provided by the embodiment of the application, the battery management module and the thermal management module can be integrated into one structural member by integrating the vehicle integrated direct-drive thermal management controller architecture described in any one embodiment in the automobile, and the battery management module and the thermal management module reuse the same controller, so that the electrical architecture of the power distribution system of the vehicle is optimized, the related components of the whole vehicle are simplified, and the cost of the whole vehicle is greatly reduced.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

fig. 1 is a schematic diagram of a first architecture of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 2 is a schematic diagram of a second structure of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 3 is a schematic diagram of a third structure of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 4 is a schematic diagram of a fourth architecture of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

Fig. 5 is a schematic diagram of a fifth structure of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 6 is a sixth structural schematic diagram of a vehicle integrated direct drive thermal management controller architecture according to an embodiment of the present application;

fig. 7 is a schematic diagram of a seventh structure of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 8 is a schematic diagram of an eighth structure of an integrated direct-drive thermal management controller architecture for a vehicle according to an embodiment of the present application;

fig. 9 is a ninth structural schematic diagram of a vehicle integrated direct drive thermal management controller architecture according to an embodiment of the present application.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The phrase second connection port in various places in the specification is not necessarily all referring to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of embodiments of the present application, the term "multi-frame" refers to more than two (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the related art, the low-voltage power distribution system adopts a discrete low-voltage lithium ion battery technology, and meanwhile, a separate thermal management system scheme is carried on other circuit boards, and two products are independently arranged, so that the problems of large size and incapability of integrated control exist, and more redundant devices are required to be designed for the two systems, so that the system cost is increased. For example, in the current power supply of the whole vehicle, an area controller is generally adopted to control each functional module in the whole vehicle, so that each functional module needs an independent controller to process data and control devices in the functional module, and likewise, each functional module also needs an independent SBC module to supply power to the controller, and in addition, an independent AFE module is also needed to establish communication between the control module and an upper computer, and the related control architecture not only needs a large number of wire harness connections, but also has the problems of large size and inconvenient maintenance.

In order to solve the above technical problems, an embodiment of the present application provides a vehicle integrated direct drive thermal management controller architecture, including: a battery 300, a battery management module 100, a thermal management module 900; the battery 300 is connected to the battery management module 100, and the battery management module 100 performs charge and discharge management on the battery 300, and performs work management on the thermal management load by the thermal management module 900 by configuring the load access terminal 210 for accessing the thermal management load in the thermal management module 900. The thermal management module 900 may control an operating state of the thermal management load, where the battery management module 100 and the thermal management module 900 share the same controller 120, and the controller 120 integrates a function of managing the battery 300 and the thermal management load.

In this embodiment, the thermal management load may be used to control the temperature of each node of the whole vehicle, for example, the thermal management load includes an air-conditioning water pump, a motor water pump, etc., the air-conditioning water pump is used to adjust the temperature of the vehicle air conditioner, and the motor water pump is used to adjust the temperature of the vehicle motor. The battery management module 100 and the thermal management module 900 share the same controller 120, that is, the battery management module 100 and the thermal management module 900 include the same controller 120, and the battery management module 100 manages charging and discharging of the low-voltage battery 300, for example, the battery management module 100 configures output power of the low-voltage battery 300 according to power requirements of an output end of the battery management module 100, and may also charge the low-voltage battery 300 under an external power access condition. The thermal management module 900 manages the thermal management load, and integrates the battery management scheme and the control module in the thermal management scheme into the same controller 120 creatively by integrating the functions of managing the battery 300 and the thermal management load in the controller 120, thereby integrating the reusable parts in the battery management scheme and the thermal management scheme, simplifying the control circuit, and having the characteristics of low cost, simple architecture and the like.

In some specific application embodiments, in the vehicle low-voltage power distribution system, the controller 120 and a part of the power devices form the battery management module 100, in the vehicle thermal management system, the controller 120 and an external thermal management driving unit form the thermal management module 900, in this embodiment, the vehicle low-voltage power distribution system and the vehicle thermal management system are integrated by the same controller 120, and the control and management of the vehicle low-voltage power distribution system and the thermal management system are realized, and by integrating the functions of managing the low-voltage battery 300 and the thermal management load and the functions of distributing and controlling the low-voltage load in the controller 120, not only the communication harness arranged between the independent low-voltage power distribution system and the independent thermal management system is reduced, but also the independent controller and the related SBC power supply chip are not required to be arranged, so that the number of used chips is saved, and the probability of power supply and communication harness faults in the vehicle low-voltage power distribution system is reduced.

In this embodiment, the controller 120 integrates the functions of managing the low-voltage battery 300 and the thermal management load, and after the whole vehicle is started, the controller 120 can manage the energy output of the whole vehicle low-voltage power distribution system based on the thermal management feedback information of the vehicle, and can also manage the working state of the thermal management load based on the energy output of the whole vehicle low-voltage power distribution system, so that the vehicle low-voltage power distribution system and the vehicle thermal management system are mutually adapted based on the current vehicle condition of the vehicle, thereby improving the electric energy utilization efficiency and the power supply stability of the whole vehicle low-voltage power distribution system.

In some specific application embodiments, the controller 120 and a part of the power devices form the battery management module 100, the controller 120 and the thermal management driving unit form the thermal management module 900, and a fuse box with a large volume is not needed, so that the battery management module 100, the thermal management module 900 and the low-voltage battery 300 can be further integrated in the low-voltage battery assembly, the volumes of a low-voltage power distribution system of a vehicle and the thermal management system of the vehicle are reduced, the wire harness distance between the low-voltage battery 300 and the battery management module 100 can be shortened, and the probability of faults of power supplies and communication wires in the low-voltage power distribution system of the vehicle and the thermal management system of the vehicle is reduced.

In some embodiments, the battery management module 100 may be configured with a plurality of load access terminals 210, where the plurality of load access terminals 210 may be used to access not only thermal management loads, but also other low voltage loads (e.g., sensors or other low current class power loads), and the output power of the load access terminals 210 is controlled by the battery management module 100.

In some embodiments, thermal management module 900 may be powered by either low-voltage battery 300 or an externally-accessed low-voltage power supply.

In this embodiment, the vehicle integrated-type direct-drive thermal management controller architecture in this embodiment may further include a low-voltage power input terminal, where the low-voltage power input terminal may be connected to a low-voltage power source converted by a power battery, and the thermal management module 900 may be powered by the low-voltage battery 300 or the low-voltage power source, for example, to output a direct current output by the low-voltage battery 300 or the low-voltage power source to the load access terminal 210 and to output the direct current to the thermal management load via the load access terminal 210.

In some embodiments, referring to fig. 3, the battery management module 100 includes a first switch module 101, and the first switch module 101 is used to manage the charge and discharge process of the low-voltage battery 300 under the control of the controller 120.

In this embodiment, the first switch module 101 is controlled by the controller 120, and the controller 120 controls the switching state of the first switch module 101 to perform the charge and discharge operation of the low-voltage battery 300, so that the low-voltage power distribution module 200 can reuse the first switch module 101 as its power distribution management unit, no power distribution management device is required to be arranged in the low-voltage power distribution module 200, and the number of wires between the low-voltage power distribution module 200 and the battery management module 100 is reduced, so that the problem of potential safety hazard caused by short circuit of the wires between different circuit boards is reduced.

In some specific application embodiments, the first switch module 101 and the controller 120 form the battery management module 100, the low-voltage battery 300 is connected to the low-voltage power distribution module 200 through the first switch module 101, and the low-voltage battery 300 and the low-voltage power distribution module 200 are connected through the first switch module 101, so that the low-voltage power distribution module 200 can multiplex the first switch module 101 to regulate and manage the current input to the low-voltage power distribution module 200, and short-circuit protection can be performed on the low-voltage battery 300, so that potential safety hazards caused by faults of the low-voltage battery 300 are reduced.

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

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 with the low-voltage power distribution module 200 through the first switch module 101, the first switch module 101 is controlled by the controller 120, the switch state of the first switch module 101 is controlled by the controller 120 to control the switch 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, so that the low-voltage power distribution module 200 and the battery management module 100 can multiplex the first switch module 101, the wire harness between the low-voltage power distribution module 200 and the battery management module 100 is reduced, and the problem of potential safety hazards caused by short circuit of the wire harness between different circuit boards is reduced.

In some embodiments, the controller 120 is further coupled to the thermal management load, and the controller 120 is configured to send thermal management control signals to the thermal management load to manage the thermal management load.

In this embodiment, the controller 120 may be directly connected to a thermal management load, and send a thermal management control signal to the thermal management load, where the thermal management load may adjust its own state according to the received thermal management control signal, so as to achieve the purpose of thermally managing the vehicle under the condition that the same controller is shared with the battery management module 100.

In some embodiments, thermal management module 900 includes a plurality of thermal management drive units for managing thermal management loads according to thermal management control instructions sent by controller 120.

In this embodiment, the load access terminal 210 is connected to a plurality of thermal management loads, and each thermal management driving unit controls the state of the corresponding thermal management load according to the thermal management control instruction sent by the controller, so that the thermal management load does not need to be connected to an independent power supply or an independent control line, thereby realizing direct driving of the thermal management load, simplifying the circuit layout of the thermal management load, and reducing the thermal management load paths.

In one embodiment, thermal management module 900 further includes a thermal management power distribution unit coupled to battery management module 100 that performs power distribution management for the plurality of thermal management drive units according to power distribution instructions sent by controller 120.

In this embodiment, the thermal management power distribution unit may perform power distribution management on the plurality of thermal management driving units according to the power distribution instruction sent by the controller, where the load access terminal 210 accesses the plurality of thermal management loads, and each thermal management driving unit controls the state of the corresponding thermal management load according to the thermal management control instruction sent by the controller, so that the thermal management load does not need to access an independent power supply or an independent control line, thereby realizing direct driving of the thermal management load, simplifying the circuit layout of the thermal management load, and reducing the thermal management load path.

In some embodiments, the thermal management module 900 further includes a thermal management power distribution unit, which is connected to the battery management module 100, and performs power distribution management on the plurality of thermal management driving units according to a power distribution command sent by the controller.

In this embodiment, the thermal management power distribution unit may perform power distribution management on the plurality of thermal management driving units according to the power distribution instruction sent by the controller 120, the load access terminal 210 may access the plurality of thermal management loads, and each thermal management driving unit controls the state of the corresponding thermal management load according to the thermal management control instruction sent by the controller 120, so as to implement direct-drive thermal management control on the vehicle.

In some embodiments, the thermal management power distribution unit may include a plurality of power devices, and the plurality of power devices form a switching circuit for outputting the low voltage dc power output from the battery 300 to the plurality of thermal management driving units, and the controller 120 is controlled to manage the power supply state of each thermal management driving unit.

In some embodiments, the thermal management module 900 further includes a plurality of sensor units, where a plurality of sensor units are configured to sample the sampling nodes in the thermal management load to obtain a thermal management sampling signal, and send the thermal management sampling signal to the controller 120, and the controller 120 is further configured to adjust a state of the thermal management driving unit according to the thermal management sampling signal.

In this embodiment, the sensor unit is used to sample the thermal management load, obtain the working state of the thermal management load, and the controller determines whether the thermal management load works abnormally according to the thermal management sampling signal obtained by sampling, so as to adjust the state of the thermal management driving unit in real time, and reduce the probability of potential safety hazard of the whole vehicle.

In some embodiments, the thermal management drive unit includes at least one of a motor water pump control unit, a battery water pump control unit, an air conditioner water pump control unit, a fan control unit, a water valve control unit, an intake grill control unit, an expansion valve control unit, a shut-off valve control unit, a stepper motor control unit, a blower control unit.

Specifically, the motor water pump control unit is controlled by the controller 120, and is used for controlling and driving the motor water pump; the battery water pump control unit is controlled by the controller 120 and is used for controlling and driving the battery water pump; the air-conditioning water pump control unit is controlled by the controller 120 and is used for controlling and driving the air-conditioning water pump; the fan control unit is controlled by the controller 120, and is used for controlling and driving the electronic fan; the water valve control unit is controlled by the controller 120 and is used for controlling and driving the water valve; the air inlet grille control unit is controlled by the controller 120 and is used for controlling and driving the active air inlet grille; the expansion valve control unit is controlled by the controller 120 and is used for controlling and driving the expansion valve; the stop valve control unit is controlled by the controller 120 and is used for controlling and driving the stop valve; the stepper motor control unit is controlled by the controller 120 and is used for controlling and driving the single bipolar stepper motor air door; the blower control unit is controlled by the controller 120, and is used for controlling and driving the blower.

In some embodiments, the motor water pump control unit, the battery water pump control unit, the air conditioner water pump control unit, the fan control unit, the water valve control unit, the air inlet grille control unit, the expansion valve control unit, the stop valve control unit, the stepping motor control unit and the blower control unit can be switching devices, full-bridge driving circuits or half-bridge driving circuits.

The full-bridge driving circuit can also be called an H-bridge driving circuit, and has four switching arms, wherein the switching arms can be MOS tubes or triodes, the four switching arms are controlled by the controller 120, and the switching states of the four switching arms can be controlled by providing corresponding driving control signals by the controller 120, so that the driving current output by the full-bridge driving circuit is controlled, and the purpose of managing the thermal management load connected with the full-bridge driving circuit is realized.

In the field of power electronics, a full-bridge driving circuit realizes forced frequency and direction conversion of a motor by controlling the on and off of four switching tubes (such as MOS tubes, triodes and the like), and control signals can realize PWM modulation to realize different rotation speeds and steering control of the motor. The half-bridge driving realizes the rotation speed and steering control of the motor by controlling the on and off of the two switching tubes, and the control signal can also realize PWM modulation. The half-bridge drive is suitable for motor drive of small power, such as an electronic fan or the like.

Half-bridge gate drivers are widely used in power control applications such as various ac drivers, dc-to-dc converters, etc., and full-bridge and half-bridge drivers are circuits for controlling motors or other loads that use MOSFET tubes as switches to control the current of thermally managed loads.

In some embodiments, the thermal management load comprises at least one of a motor pump, a battery pump, an air conditioner pump, an electronic fan, a water valve, an active air intake grille, an expansion valve, a shut-off valve, a single bipolar stepper motor damper, a blower.

In some embodiments, referring to fig. 2, the vehicle integrated-type direct drive thermal management controller architecture further includes a sampling module 520, where the sampling module 520 is configured to sample voltages at sampling nodes of the battery management module 100 and the thermal management module 900 and generate electrical parameter sampling signals; the controller 120 is connected to the sampling module 520, and the controller 120 is further configured to control the operating state of the battery 300 according to the electrical parameter sampling signal.

In this embodiment, by setting a plurality of sampling nodes in the battery management module 100 and the thermal management module 900 and sampling voltages of the plurality of sampling nodes to obtain corresponding electrical parameter sampling signals, state monitoring of the low-voltage battery 300 and the thermal management load is achieved, and the controller 120 determines whether the voltages of the sampling nodes corresponding to the electrical parameter sampling signals meet the working conditions of the current working state according to the received electrical parameter sampling signals, so that the controller 120 controls the working state of the battery management module 100, so that the battery management module 100 can adjust parameters of the low-voltage battery 300 in real time according to the electrical parameters of the sampling nodes, and potential safety hazards caused by that voltages in a circuit exceed a safety threshold are reduced. For example, when the voltage at the input node of the battery management module 100 is under-voltage, the battery management module 100 increases the output voltage or output current of the low-voltage battery 300, so as to increase the output power of the low-voltage battery 300 according to the power requirement of the load end.

In some embodiments, sampling module 520 is configured to sample the current at the sampling nodes of battery management module 100, thermal management module 900 and generate electrical parameter sampling signals; the controller 120 is also configured to control an operating state of the battery management module 100 according to the electrical parameter sampling signal.

In this embodiment, by setting a plurality of sampling nodes in the battery management module 100 and the thermal management module 900 and sampling the currents of the plurality of sampling nodes to obtain electrical parameter sampling signals, the controller 120 determines whether the current of the sampling node corresponding to the sampling signals meets the working condition of the current working state according to the received electrical parameter sampling signals, thereby controlling the working state of the battery management module 100, so that the battery management module 100 can adjust the working state of the low-voltage battery 300 in real time according to the electrical parameters of the low-voltage battery 300 and the thermal management module 900, and reduce the potential safety hazards caused by line faults. For example, when the current of the input node of the battery management module 100 is too high, the working state of the battery management module 100 can be controlled, so that the charging current of the battery management module 100 to the battery 300 can be reduced, and the risk of potential safety hazards of the battery caused by the too high charging current can be reduced.

In some embodiments, the sampling module 520 is configured to sample the current and the voltage of the sampling nodes of the battery 300, the battery management module 100, and the thermal management module 900 and generate an electrical parameter sampling signal, and the controller 120 is further configured to control the operating state of the battery management module 100 according to the electrical parameter sampling signal.

In this embodiment, by setting a plurality of sampling nodes in the low-voltage battery 300, the battery management module 100 and the thermal management module 900 and sampling voltages or currents of the plurality of sampling nodes to obtain sampling signals, the controller 120 determines whether the voltages or currents of the sampling nodes corresponding to the sampling signals meet the working conditions of the current working state according to the received sampling signals, thereby controlling the working state of the battery management module 100, so that the battery management module 100 can adjust the working state in real time according to the electrical parameters of the low-voltage battery 300, the battery management module 100 and the thermal management module 900, and reduce the potential safety hazards caused by line faults or faults of the low-voltage battery 300.

For example, in the case that the voltage of the output node of the battery management module 100 is under-voltage, or the output node of the battery management module 100 is overloaded, by controlling the working state of the battery management module 100, the low-voltage battery 300 and the low-voltage power input terminal 400 can be simultaneously connected, so as to improve the input power of the battery management module 100, achieve the purpose of adjusting the input power according to the load demand power of the output terminal, and reduce the risk of potential safety hazards caused by overload of the output terminal.

In some embodiments, the controller 120 is further configured to control the operating state of the thermal management module 900 based on the electrical parameter sampling signal.

In this embodiment, by setting a plurality of sampling nodes in the low-voltage battery 300, the battery management module 100, and the thermal management module 900, and sampling voltages or currents of the plurality of sampling nodes to obtain sampling signals, the controller 120 determines, according to the received sampling signals, whether the voltages or currents of the sampling nodes corresponding to the sampling signals meet the working conditions of the current working state, thereby controlling the working state of the thermal management driving unit, so that the thermal management driving unit can adjust the working state according to the sampling signals in real time, control the working state of the thermal management load, and reduce potential safety hazards caused by overload of the thermal management load.

In some embodiments, the sampling module 520 is further configured to sample the temperature of the sampling node of the thermal management load and the battery 300 to obtain a temperature sampling signal; the controller 120 is further configured to control an operating state of the battery 300 according to the temperature sampling signal.

In this embodiment, the controller 120 determines, according to the received temperature sampling signal, whether the temperature of the sampling node corresponding to the sampling signal meets the working condition of the current working state, so as to control the working states of the battery management module 100 and the thermal management module 900, so that the battery management module 100 and the thermal management module 900 can adjust the working states thereof in real time according to the temperatures of the sampling nodes, and reduce potential safety hazards caused by overhigh temperatures in the vehicle.

In some embodiments, referring to fig. 3, the architecture of the integrated direct-drive thermal management controller for a vehicle in this embodiment further includes a low-voltage power input end 400, where the low-voltage power input end 400 is electrically connected to the battery management module 100, the low-voltage power input end 400 may be used to access a low-voltage power supply obtained by converting a power battery, and the battery management module 100 may perform charge control on the low-voltage power supply according to the input low-voltage power supply, and may also perform power distribution on the input low-voltage power supply and output the low-voltage power supply to the load access end 210.

In this embodiment, the low-voltage power supply input end 400 is used for accessing a low-voltage power supply obtained by voltage conversion of a power battery, and the battery management module 100 distributes the low-voltage power supply to the load access ends 210, for example, in the case of a plurality of load access ends 210, power distribution is performed according to the power requirement of the load accessed by each load access end 210, and power distribution can also be performed according to the working state of the accessed load, so as to achieve dynamic adjustment of the output power of the low-voltage power supply, and achieve the purpose of protecting the battery and the load.

In some embodiments, referring to fig. 4, the vehicle integrated-type direct drive thermal management controller architecture includes a circuit board 125, the battery management module 100, the thermal management module 900 are integrated on the circuit board 125, and the controller 120 is also integrated on the circuit board 125.

In this embodiment, the battery management module 100 and the thermal management module 900 share the same controller 120, the controller 120 and the thermal driving devices form the thermal management module 900, the controller 120 and other driving devices form the battery management module 100, the controller 120 is welded on the circuit board 125 and connected with the thermal driving devices and the driving devices through wires on the circuit board, and the controller 120 sends a thermal driving control signal to the thermal driving devices to perform the function of managing the thermal management load, so that the packet loss phenomenon caused by data communication between the circuit boards can be reduced. The controller 120 and a part of driving devices at the periphery thereof form the battery management module 100 to manage the state of the battery 300, so that the charge and discharge management of the battery 300 is realized, the problem that a large number of wire harnesses are required to be connected between circuit boards due to independent arrangement of the original battery management module 100 and the heat management module 900 can be avoided, and the probability of wire harness failure is reduced by simplifying the circuit.

In some embodiments, the external pins of the controller 120 may not only form the battery management module 100 with the driving devices on the circuit board 125, form the thermal management module 900 with the thermal driving devices on the circuit board 125, but also form the low-voltage power distribution module with the related devices on the periphery thereof, so as to achieve the effect of expanding the driving scheme.

In some embodiments, the controller 120 may further extend its external pins, for example, by soldering its external extended pins to extended lines on the circuit board 125, and connecting the extended lines on the circuit board 125 through a plurality of pads, to functionally customize and multiplex the external extended pins of the controller 120 for the purpose of customizing the vehicle functions.

In some embodiments, referring to fig. 5, the vehicle integrated-type direct-drive thermal management controller architecture further includes a vehicle heat sink 310, the battery 300 is disposed on a first side of the vehicle heat sink 310, the circuit board 125 is disposed on a second side of the vehicle heat sink 310, the second side of the vehicle heat sink 310 is opposite to the first side of the vehicle heat sink 310, and the vehicle heat sink 310 is configured to dissipate heat from the circuit board 125 and the battery 300.

In the present embodiment, the circuit board 125 and the battery 300 are disposed on both sides of the same vehicle heat dissipation plate 310, respectively, and by sharing the same vehicle heat dissipation plate 310 with the circuit board 125 and the battery 300, the heat dissipation efficiency inside the vehicle can be improved and the volume of the vehicle can be reduced.

In this embodiment, the thermal driving device on the circuit board 125 is connected with a thermal management load, and the thermal management load is disposed at a plurality of positions of the whole vehicle, so that by integrating the battery management module 100 and the thermal management module 900 on the circuit board 125, not only the length of the wire harness between the thermal driving device and the controller 120 can be reduced, but also the temperature of the battery 300 can be managed by integrating the relevant thermal driving device on the circuit board 125, so that the signal transmission distance is reduced, and the volume of the vehicle is reduced.

In some embodiments, referring to fig. 6, the low-voltage battery 300 is disposed in the product lower cover 127, the product lower cover 127 is in a concave structure, the product lower cover 127 and the product upper cover 126 are detachably connected, the product lower cover 127 and the product upper cover 126 form a storage cavity after being assembled and connected, the circuit board 125, the vehicle heat dissipation plate 310 and the low-voltage battery 300 are stacked, and the circuit board 125 and the vehicle heat dissipation plate 310 are fixed by a mounting structure, wherein the distance between the circuit board 125, the vehicle heat dissipation plate 310 and the low-voltage battery 300 can be set according to heat dissipation requirements and harness requirements.

In some embodiments, the vehicle heat dissipation plate 310 may be a water cooling plate disposed between the circuit boards 125, and absorbs heat emitted from the circuit boards 125 after the vehicle is started, thereby improving the space utilization efficiency inside the vehicle and reducing the size and volume of the vehicle power distribution system.

In some embodiments, the sampling module 520 may further sample temperatures of a plurality of sampling nodes set in the battery 300, the battery management module 100, and the thermal management module 900 to obtain corresponding sampling signals, and the controller 120 determines, according to the received sampling signals, whether the temperatures of the sampling nodes corresponding to the sampling signals meet the working conditions of the current working state, thereby controlling the working states of the battery management module 100 and the thermal management module 900, so that the battery management module 100 and the thermal management module 900 can adjust the working states thereof in real time according to the temperatures of the sampling nodes thereof, and reduce potential safety hazards caused by line faults.

In some embodiments, the controller 120 includes at least 2 cores, and multiple functions of the controller 120 may be distributed to multiple cores, so as to improve the processing efficiency of the controller 120.

In this embodiment, after the battery management module 100 and the thermal management module 900 multiplex the same controller 120, the data collected by the sampling module 520 may be directly output to the controller 120, and processed by the controller 120 in a unified manner, so that the previous processor is not required to send a message through the CAN bus, and the message is not required to be affected by the outside, thereby reducing the problem of information loss caused by message failure.

In some embodiments, at least one core of the controller 120 is configured to process a sampling signal of the low-voltage battery 300 to obtain sampling data, and at least one core of the controller 120 is configured to generate control data according to the sampling data, and output a corresponding control signal to control an operating state of the low-voltage battery 300 based on the control data.

In this embodiment, the controller 120 includes at least 2 cores, one or a part of the cores may be used to process the sampling signal to obtain corresponding sampling data, and the other core or another part of the cores may be used to process the sampling data, obtain control data according to a preset operation, generate a control signal based on the control data, output the control signal to a peripheral driving device, and control the working state of the battery 300 by controlling the working state of the driving device.

In some embodiments, at least one core of the controller 120 is configured to process a sampling signal of the thermal management load to obtain sampling data, at least one core of the controller 120 is configured to generate control data according to the sampling data, and output a corresponding control signal to control a thermal driving device and a driving device at the periphery of the controller 120 based on the control data, so as to implement management on the low-voltage battery 300 and the low-voltage driving load.

In this embodiment, the controller 120 includes at least 2 cores, one or a part of the cores may be used to process the sampling signal to obtain corresponding sampling data, and the other core or another part of the cores may be used to process the sampling data, obtain control data according to a preset operation, generate a control signal based on the control data, output the control signal to a peripheral driving device, and control the working states of the thermal driving device and the driving device by controlling the working states of the low-voltage battery 300 and the low-voltage driving load.

In some embodiments, at least one core of the controller 120 is configured to process the sampled signal of the thermal management module 900 to obtain sampled data, and at least one core of the controller 120 is configured to generate control data according to the sampled data, and to output a corresponding control signal to control the distribution power of the thermal management load based on the control data.

In this embodiment, the controller 120 includes at least 2 cores, one or a part of the cores may be used to process the sampling signal to obtain corresponding sampling data, and the other core or another part of the cores may be used to process the sampling data, obtain control data according to a preset operation, generate a control signal based on the control data, output the control signal to a peripheral thermal driving device, and control the working state of the thermal management load by controlling the working state of the thermal driving device.

In some embodiments, the battery management module 100 manages the charging and discharging processes of the battery 300, the thermal management module 900 controls the working state of the thermal management load, the battery management module 100 and the thermal management module 900 multiplex the same controller 120, the power supply module of the battery management system and the power supply module of the thermal management system can be integrated into one, the communication module of the battery management system and the communication module of the thermal management system are integrated into one, and under the simultaneous management and control of the thermal management load and the battery 300 by the controller 120, the functions of the whole vehicle are highly concentrated, and part of the functional modules are multiplexed, so that the cost of the whole vehicle is greatly reduced.

In some embodiments, referring to FIG. 7, the vehicle integrated-type direct drive thermal management controller architecture includes an SBC power module 510, where the SBC power module 510 is coupled to the controller 120 and the SBC power module 510 is configured to power the controller 120.

In this embodiment, the SBC power module 510 in the vehicle integrated direct drive thermal management controller architecture may be integrated in the battery management module 100 or the battery management module 100, or may be integrated in the thermal management module 900, and the power source of the SBC power module 510 may be the battery 300.

In some embodiments, the power input of SBC power module 510 is connected to low voltage battery 300 and low voltage power input 400, respectively, and the power output of SBC power module 510 is connected to controller 120.

In this embodiment, the power input end of the SBC power supply module 510 can respectively take power from the low-voltage battery 300 or the low-voltage power input end 400, and the purpose of supplying power to the controller 120 is achieved by converting the voltage input by the low-voltage battery 300 or the low-voltage power input end 400 into the power supply voltage of the controller 120, so that the problem that an extra wire harness is required for taking power from an external power supply by the controller 120 is avoided.

In some embodiments, the power input end of the SBC power supply module 510 may be connected to the low-voltage battery 300 and the low-voltage power input end 400 at the same time, a backflow prevention circuit is disposed between the power input end of the SBC power supply module 510 and the low-voltage battery 300, and a backflow prevention circuit is disposed between the power input end of the SBC power supply module 510 and the low-voltage power input end 400, so that current backflow generated when the low-voltage battery 300 and the low-voltage power input end 400 output current can be prevented, and safety of the power supply circuit is improved.

A power management Chip (SBC) is a provider of the operating voltage of the controller 120 and its peripheral devices, which cannot operate without the SBC power. In this embodiment, the controller 120 and a part of power devices form the battery management module 100, the controller 120 and a part of thermal management driving units form the thermal management module 900, and the controller 120 is internally integrated with functions of managing the low-voltage battery 300 and performing distribution control on the low-voltage load, so that the controller 120 and peripheral power devices thereof can be powered by the SBC power supply module 510 according to the input power supply output multiple paths of voltages, only one SBC chip is needed to supply power to the components of the whole vehicle low-voltage power distribution system and the whole vehicle thermal management system, so that not only the SBC chip is saved, but also the problem of unstable performance caused by inconsistent power supply voltages in the independent SBC scheme is reduced, for example, the SBC power supply module 510 outputs one path of 3.3V independent power for the controller 120, in addition, the SBC power supply can respectively output 3.3V independent power for the analog chip on the circuit board 125, and the 5V independent power supply for the circuit board 125 can output consistent power supply voltages for the circuit board, and the power supply module 510 can output consistent power supply voltages.

In some embodiments, the controller 120 controls the plurality of load access terminals 210 of the battery management module 100 to power up in a time-sharing manner in the event that the load access terminals 210 access a plurality of power consuming loads.

In this embodiment, the plurality of load access terminals 210 of the battery management module 100 may be respectively connected to a plurality of power loads, and when the plurality of power loads are connected, the controller 120 controls the plurality of load access terminals 210 to power up in a time-sharing manner, so that the output current of the battery management module 100 may be improved, and the problem that the potential safety hazard is caused by that the plurality of load access terminals 210 power up simultaneously.

In some embodiments, referring to fig. 8, the architecture of the integrated direct drive thermal management controller of the vehicle further includes an AFE module 530, where the AFE module 530 is connected to the battery 300 and the controller 120, and the AFE module 530 is configured to collect information from the battery 300 and interact with the controller 120.

In this embodiment, the AFE module 530 is connected to the low-voltage battery 300 and the controller 120 at the same time, and can collect information from the low-voltage battery 300 through the AFE module 530, and interact with the controller 120,

In some embodiments, the controller 120 is coupled to the AFE module 530 via a non-multiplexed synchronous serial communication interface.

In this embodiment, the controller 120 is connected to the AFE module 530 through a non-multiplexed synchronous serial communication interface, so that high-speed full duplex communication can be established between the controller 120 and the AFE module 530, and the data pins of the controller 120 perform data transmission of a set type, for example, each communication module corresponds to one interactive function module, and can not be affected by other pins or modules.

In some embodiments, referring to fig. 9, the battery management module 100 includes a first switch module 101, the first switch module 101 is controlled by the controller 120, and the battery 300 is electrically connected to the battery management module 100 through the first switch module 101.

In this embodiment, the first switch module 101 is connected between the battery 300 and the battery management module 100, 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 the charge-discharge operation of the battery 300, so that the battery management module 100 can multiplex the first switch module 101, the wire harness between the battery management module 100 and the battery management module 100 is reduced, and the problem that the potential safety hazard is caused by the short circuit of the wire harness between different circuit boards is reduced.

In some embodiments, the output voltage of the battery 300 is in the range of 12V-72V.

In some embodiments, the battery 300 comprises a 12 volt lithium ion battery or a sodium ion battery, or other rechargeable battery.

In some embodiments, the battery 300 comprises a 24 volt lithium ion battery or a sodium ion battery, or other rechargeable battery.

In some embodiments, the battery 300 comprises a 48 volt lithium ion battery or sodium ion battery, or other rechargeable battery.

In some embodiments, the battery 300 comprises a 72V lithium ion battery or a sodium ion battery, or other rechargeable battery.

In this embodiment, the vehicle integrated direct drive thermal management controller architecture in the embodiment of the application can be applied to a fuel vehicle and a new energy vehicle, wherein the output voltage of a low-voltage battery in the vehicle is not more than 72V.

The embodiment of the application also provides a vehicle management system, which comprises the vehicle integrated direct-drive thermal management controller architecture according to any one of the embodiments.

The vehicle management system in this embodiment may be applied to low-voltage batteries configured in fuel vehicles and new energy vehicles, and is not limited to the fields of passenger vehicles or commercial vehicles.

The embodiment of the application also provides an automobile, which comprises the vehicle integrated direct drive thermal management controller architecture according to any one of the embodiments.

In this embodiment, by integrating the architecture of the integrated direct-drive thermal management controller for a vehicle according to any one of the embodiments in an automobile, the battery management module and the thermal management module can be integrated into one structural member, and the battery management module and the thermal management module multiplex the same controller, so that the electrical architecture of the power distribution system of the vehicle is optimized, the relevant components of the whole vehicle are simplified, and the cost of the whole vehicle is greatly reduced.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above system may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.

In the embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the electronic device embodiments described above are merely illustrative. For example, the division of a module or unit is merely a logical function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other forms.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims (22)

1. A vehicle integrated direct drive thermal management controller architecture, comprising: a low voltage battery, a battery management module, and a thermal management module;

the low-voltage battery is electrically connected with the battery management module;

The thermal management module is configured with a load access terminal for accessing a thermal management load;

The battery management module and the thermal management module share the same controller, and the controller integrates the function of managing the low-voltage battery and the thermal management load.

2. The vehicle integrated-type direct drive thermal management controller architecture of claim 1, wherein the battery management module further comprises: the first switch module is controlled by the controller;

The first switch module is used for managing the charge and discharge process of the low-voltage battery under the control of the controller.

3. The vehicle integrated-type direct-drive thermal management controller architecture of claim 2, wherein the low-voltage battery is electrically connected with the thermal management module via the first switch module.

4. The vehicle integrated-type direct drive thermal management controller architecture of claim 1, wherein the controller is further coupled to the thermal management load, the controller configured to send thermal management control signals to the thermal management load to manage the thermal management load.

5. The vehicle integrated-type direct drive thermal management controller architecture of claim 1, wherein the thermal management module further comprises: a plurality of thermal management driving units;

The thermal management driving unit is used for managing the thermal management load according to the thermal management control instruction sent by the controller.

6. The vehicle integrated-type direct drive thermal management controller architecture of claim 5, wherein the thermal management module further comprises: a thermal management power distribution unit;

The thermal management power distribution unit is connected with the battery management module and is used for carrying out power distribution management on the thermal management driving units according to power distribution instructions sent by the controller.

7. The vehicle integrated-type direct drive thermal management controller architecture of claim 5, wherein the thermal management module further comprises: a plurality of sensor units;

The sensor units are used for sampling nodes in the thermal management load to obtain thermal management sampling signals and sending the thermal management sampling signals to the controller; the controller is further configured to adjust a state of the thermal management driving unit according to the thermal management sampling signal.

8. The vehicle integrated-type direct-drive thermal management controller architecture of claim 5, wherein the plurality of thermal management drive units includes at least one of a motor water pump control unit, a battery water pump control unit, an air conditioner water pump control unit, a fan control unit, a water valve control unit, an intake grill control unit, an expansion valve control unit, a shut-off valve control unit, a stepper motor control unit, a blower control unit;

The motor water pump control unit is controlled by the controller and is used for controlling and driving the motor water pump;

The battery water pump control unit is controlled by the controller and is used for controlling and driving the battery water pump;

The air-conditioning water pump control unit is controlled by the controller and is used for controlling and driving the air-conditioning water pump;

the fan control unit is controlled by the controller and used for controlling and driving the electronic fan;

The water valve control unit is controlled by the controller and is used for controlling and driving the water valve;

The air inlet grille control unit is controlled by the controller and is used for controlling and driving the active air inlet grille;

The expansion valve control unit is controlled by the controller and is used for controlling and driving the expansion valve;

the stop valve control unit is controlled by the controller and is used for controlling and driving the stop valve;

the stepping motor control unit is controlled by the controller and is used for controlling and driving the single bipolar stepping motor air door;

the blower control unit is controlled by the controller and is used for controlling and driving the blower.

9. The vehicle integrated-type direct-drive thermal management controller architecture of claim 1, further comprising:

The sampling module is used for sampling voltage and/or current of the battery management module and the sampling node of the thermal management module and generating an electric parameter sampling signal;

the controller is connected with the sampling module and is also used for controlling the working state of the low-voltage battery according to the electric parameter sampling signal.

10. The vehicle integrated-type direct drive thermal management controller architecture of claim 9, wherein the controller is further configured to control an operating state of the thermal management module in accordance with the electrical parameter sampling signal.

11. The vehicle integrated-type direct drive thermal management controller architecture of claim 9, wherein the sampling module is further configured to sample a temperature of a sampling node of the low voltage battery and the thermal management load to obtain a temperature sampling signal;

The controller is also used for controlling the working state of the low-voltage battery according to the temperature sampling signal.

12. The vehicle integrated-type direct-drive thermal management controller architecture of claim 1, further comprising:

The low-voltage power supply is connected with the battery management module through a power battery;

The battery management module is also used for controlling the charge and discharge of the low-voltage battery according to the low-voltage power supply.

13. The vehicle integrated-type direct drive thermal management controller architecture of claim 1, wherein the battery management module and the thermal management module are integrated on a same circuit board.

14. The vehicle integrated-type direct-drive thermal management controller architecture of claim 13, further comprising a vehicle heat sink; the circuit board is arranged on the first side of the vehicle cooling plate, the low-voltage battery is arranged on the second side of the vehicle cooling plate, and the second side of the vehicle cooling plate is opposite to the first side of the vehicle cooling plate.

15. The vehicle integrated-type direct drive thermal management controller architecture of any of claims 1-14, wherein the controller has at least 2 cores.

16. The vehicle integrated-type direct-drive thermal management controller architecture of claim 15, wherein at least one core of the controller is configured to process a sampling signal to obtain sampling data, and wherein at least one core of the controller is configured to generate control data according to the sampling data, and to output a corresponding control signal based on the control data to control an operating state of the low-voltage battery and/or to control an operating state of the thermal management load.

17. The vehicle integrated-type direct drive thermal management controller architecture of any one of claims 1-14, wherein the battery management module comprises:

the SBC power supply module is connected with the controller and is used for supplying power to the controller;

The power input end of the SBC power supply module is connected with the low-voltage battery and the low-voltage power input end respectively, and the power output end of the SBC power supply module is connected with the controller.

18. The vehicle integrated-type direct drive thermal management controller architecture of any one of claims 1-14, wherein the controller controls time-sharing power-up of a plurality of the load access terminals of the battery management module if the load access terminals access a plurality of thermal management loads.

19. The vehicle integrated-type direct drive thermal management controller architecture of any one of claims 1-14, further comprising: and the AFE module is respectively connected with the low-voltage battery and the controller, and is used for collecting information of the low-voltage battery and carrying out information interaction with the controller.

20. The vehicle integrated-type direct drive thermal management controller architecture of claim 19, wherein the controller is connected to the AFE module via a non-multiplexed synchronous serial communication interface.

21. A vehicle management system comprising the vehicle integrated direct drive thermal management controller architecture of any one of claims 1 to 20.

22. An automobile comprising the vehicle integrated direct drive thermal management controller architecture of any one of claims 1 to 19.