Battery management fusion system, intelligent charging method, equipment and storage medium

Abstract

The invention provides a battery management fusion system, an intelligent charging method, equipment and a storage medium, and belongs to the technical field of automobiles. The battery management fusion system comprises a high-voltage control execution unit, a high-voltage battery cell acquisition unit, a daisy chain bridging circuit, a low-voltage sampling control execution unit and a power domain controller, the high-voltage control execution unit and the high-voltage cell acquisition unit are respectively connected with the daisy chain bridging circuit, and the daisy chain bridging circuit is in communication connection with the power domain controller through a CAN bus; and the low-voltage sampling control execution unit is in communication connection with the power domain controller through a CAN bus. According to the system, the power battery management system and the low-voltage lithium battery management system of the vehicle can share one controller, namely, independent controllers do not need to be arranged for the power battery management system and the low-voltage lithium battery management system respectively, so that resource waste is avoided, and hardware cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a battery management fusion system, an intelligent charging method, a device and a storage medium. Background Art

[0002] As the number of new energy vehicles continues to increase, more and more users are choosing new energy vehicles as their essential means of transportation. Among them, new energy vehicles include power batteries and low-voltage lithium batteries. Power batteries are used to provide power for the vehicle's travel, which is equivalent to an engine. Low-voltage lithium batteries are used to power low-voltage electrical devices in the vehicle, such as large on-board screens. However, the current power battery management system and the low-voltage lithium battery management system are two independent control systems in new energy vehicles, resulting in too many control devices and high hardware costs. Summary of the invention

[0003] The embodiment of the present application provides a battery management fusion system, an intelligent charging method, a device and a storage medium, which can enable the vehicle's power battery management system and low-voltage lithium battery management system to share a controller, thereby reducing hardware costs. The technical solution is as follows: On the one hand, a battery management fusion system is provided, which is applied to a vehicle, and the battery management fusion system includes a high-voltage control execution unit, a high-voltage battery cell acquisition unit, a daisy chain bridge circuit, a low-voltage sampling control execution unit, and a power domain controller; The high-voltage battery cell acquisition unit is used to collect the operating information of the power battery of the vehicle, the high-voltage control execution unit is used to control the operation of the power battery, and the low-voltage sampling control execution unit is used to collect the operating information of the low-voltage lithium battery of the vehicle and control the operation of the low-voltage lithium battery; The high-voltage control execution unit and the high-voltage battery collection unit are respectively connected to the daisy chain bridge circuit, and the daisy chain bridge circuit is communicatively connected to the power domain controller via a CAN bus; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus.

[0004] In some embodiments, the battery management fusion system further includes a first transformer and a second transformer; The high-voltage control execution unit and the high-voltage battery cell acquisition unit are respectively connected to the daisy chain bridge circuit, including: The high-voltage control execution unit is connected to the daisy chain bridge circuit through the first transformer, and the first transformer is used to isolate the sending signal and the receiving signal of the high-voltage control execution unit; The high-voltage battery cell acquisition unit is connected to the daisy chain bridge circuit through the second transformer, and the second transformer is used to isolate the sending signal and the receiving signal of the high-voltage battery cell acquisition unit.

[0005] In some embodiments, the battery management fusion system further includes a first CAN chip and a second CAN chip; The daisy chain bridge circuit is communicatively connected with the power domain controller via a CAN bus, and includes: The daisy chain bridge circuit is connected to the CAN bus through the first CAN chip, and the CAN bus is connected to the power domain controller; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus, and includes: The low-voltage sampling control execution unit is connected to the CAN bus through the second CAN chip, and the CAN bus is connected to the power domain controller.

[0006] In some embodiments, the power domain controller includes a control chip, a power supply circuit and a third CAN chip, the power supply circuit is used to connect or disconnect the power battery from supplying power to the vehicle, and the third CAN chip is communicatively connected with the first CAN chip via the CAN bus; The control chip is used to send a first control signal to the third CAN chip, where the first control signal is used to instruct to collect the operation information of the power battery or control the operation of the power battery; The third CAN chip is used to send the first control signal to the first CAN chip through the CAN bus; The first CAN chip is used to send the first control signal to the daisy chain bridge circuit; The daisy chain bridge circuit is used to perform signal conversion on the first control signal, and when the operation indicated by the first control signal is an operation executable by the high-voltage control execution unit, the converted first control signal is sent to the high-voltage control execution unit; when the operation indicated by the first control signal is an operation executable by the high-voltage battery cell acquisition unit, the converted first control signal is sent to the high-voltage battery cell acquisition unit.

[0007] In some embodiments, the power domain controller includes a control chip, a power supply circuit and a third CAN chip, the power supply circuit is used to connect or disconnect the low-voltage lithium battery from supplying power to the vehicle, and the third CAN chip is communicatively connected with the second CAN chip via the CAN bus; The control chip is used to send a second control signal to the third CAN chip, where the second control signal is used to instruct to collect the operation information of the low-voltage lithium battery or to control the operation of the low-voltage lithium battery; The third CAN chip is used for sending the second control signal to the second CAN chip through the CAN bus; The second CAN chip is used to send the second control signal to the low-voltage sampling control execution unit.

[0008] In some embodiments, the power domain controller includes a control chip, and the control chip is a multi-core chip including a first core and a second core; The daisy chain bridge circuit is communicatively connected with the power domain controller via a CAN bus, and includes: The daisy chain bridge circuit is communicatively connected to the first core in the control chip via the CAN bus; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus, and includes: The low-voltage sampling control execution unit is connected to the second core in the control chip through the CAN bus.

[0009] In some embodiments, when the second control signal from the second core is used to instruct to collect the remaining power of the low-voltage lithium battery, the low-voltage sampling control execution unit is used to collect the remaining power of the low-voltage lithium battery based on the second control signal, and send the remaining power of the low-voltage lithium battery to the second core through the CAN bus; The second core is used to receive the remaining power, and when the remaining power is lower than a preset power, send a power replenishment signal to the first core, wherein the power replenishment signal is used to instruct to replenish power for the low-voltage lithium battery; The first core is used to receive the power replenishment signal and send the power replenishment signal to the daisy chain bridge circuit through the CAN bus; The daisy chain bridge circuit is used to perform signal conversion on the power supply signal, so as to convert the power supply signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication, and send the converted power supply signal to the high voltage control execution unit; The high-voltage control execution unit is used to receive the power replenishment signal and control the power battery to replenish the low-voltage lithium battery based on the power replenishment signal.

[0010] On the other hand, an intelligent charging method is provided, which is applied to a battery management fusion system of a vehicle, wherein the battery management fusion system includes a high-voltage control execution unit, a daisy chain bridge circuit, a low-voltage sampling control execution unit, and a power domain controller, wherein the power domain controller includes a control chip, which is a multi-core chip including a first core and a second core, and the method includes: When the vehicle is in a startup state, a control signal is sent to the low-voltage sampling control execution unit through the second core, wherein the control signal is used to instruct to collect the remaining power of the low-voltage lithium battery of the vehicle, and the second core is communicatively connected with the low-voltage sampling control execution unit through the CAN bus; By means of the low-voltage sampling control execution unit, based on the control signal, the remaining power of the low-voltage lithium battery is collected, and the remaining power of the low-voltage lithium battery is sent to the second core; When the remaining power is lower than the preset power, a power replenishment signal is sent to the first core through the second core, wherein the power replenishment signal is used to instruct to replenish power for the low-voltage lithium battery; Sending the power replenishment signal to the daisy chain bridge circuit through the first core, the daisy chain bridge circuit being communicatively connected with the first core through a CAN bus; The power supply signal is converted by the daisy chain bridge circuit to convert the power supply signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication, and the converted power supply signal is sent to the high voltage control execution unit; The high-voltage control execution unit controls the power battery to supplement the low-voltage lithium battery based on the converted supplementary power signal.

[0011] In another aspect, an electronic device is provided, which includes a processor and a memory, the memory is used to store at least one computer program, and the at least one computer program is loaded and executed by the processor to implement the intelligent power replenishment method in the embodiment of the present application.

[0012] On the other hand, a computer-readable storage medium is provided, which is used to store at least one computer program, and the at least one computer program is loaded and executed by a processor to implement the intelligent power replenishment method in the embodiment of the present application.

[0013] An embodiment of the present application provides a battery management fusion system. By connecting the high-voltage control execution unit and the high-voltage battery cell acquisition unit to the power domain controller through a daisy chain bridge circuit and a CAN bus, and connecting the low-voltage sampling control execution unit to the power domain controller through a CAN bus, the vehicle's power battery management system and low-voltage lithium battery management system can share a controller, that is, there is no need to set up a separate controller for each, which not only avoids resource waste and reduces hardware costs, but also converts the communication mode of the power battery management system and the low-voltage lithium battery management system from communication between controllers to communication within the shared controller, thereby reducing the communication cost between the power battery management system and the low-voltage lithium battery management system and improving communication efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a structural schematic diagram of a battery management fusion system provided according to an embodiment of the present application; Figure 2 is a structural schematic diagram of another battery management fusion system provided according to an embodiment of the present application; Figure 3 is a flow chart of an intelligent power replenishment method provided according to an embodiment of the present application; Figure 4 It is a schematic diagram of an implementation environment of an intelligent power replenishment method provided according to an embodiment of the present application; Figure 5 It is a structural schematic diagram of an electronic device provided according to an embodiment of the present application. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0017] In this application, the terms "first", "second", etc. are used to distinguish identical or similar items with basically the same effects and functions. It should be understood that there is no logical or temporal dependency between "first", "second", and "nth", nor is there any limitation on quantity and execution order.

[0018] In the present application, the term "at least one" means one or more, and the term "plurality" means two or more.

[0019] It should be noted that the information (including but not limited to user device information, user personal information, etc.), data (including but not limited to data used for analysis, stored data, displayed data, etc.) and signals involved in this application are all authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data must comply with the relevant laws, regulations and standards of relevant countries and regions. For example, the operating information and remaining power involved in this application are all obtained with full authorization.

[0020] Figure 1 is a schematic diagram of the structure of a battery management fusion system provided according to an embodiment of the present application. Figure 1 The battery management fusion system includes a high-voltage control execution unit 101, a high-voltage battery cell acquisition unit 102, a daisy chain bridge circuit 103, a low-voltage sampling control execution unit 104 and a power domain controller 105.

[0021] Among them, the battery management fusion system is configured in the vehicle to manage the power battery and low-voltage lithium battery in the vehicle. The power battery is used to power the generator in the vehicle to provide power for the vehicle's driving. The low-voltage lithium battery is used to power the low-voltage electrical devices in the vehicle, such as the large on-board screen, on-board speakers, on-board refrigerators, etc. In the battery management fusion system, the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 are respectively connected to the daisy chain bridge circuit 103, and the daisy chain bridge circuit 103 is connected to the power domain controller 105 through the CAN (Controller Area Network) bus, and the low-voltage sampling control execution unit 104 is connected to the power domain controller 105 through the CAN bus.

[0022] Among them, the high-voltage control execution unit 101 is used to control the operation of the vehicle's power battery, such as controlling the closing or disconnection of the relay inside the power battery, performing adhesion detection on the relay, and performing current detection and insulation detection on the power battery. The high-voltage battery cell acquisition unit 102 is used to collect the operation information of the vehicle's power battery, such as collecting the single cell voltage, current, operating temperature, etc. of the battery cell inside the power battery. The low-voltage sampling control execution unit 104 is used to collect the operation information of the vehicle's low-voltage lithium battery and control the operation of the low-voltage lithium battery, such as collecting the single cell voltage, current, temperature, etc. of the low-voltage lithium battery, controlling the low-voltage lithium battery to charge or discharge, and performing current detection and insulation detection on the low-voltage lithium battery. The power battery and the low-voltage lithium battery are composed of a plurality of single cells connected in series and parallel, and the single cell voltage refers to the voltage of the single cell.

[0023] Among them, the power domain controller 105 can send a first control signal to the daisy chain bridge circuit 103 through the CAN bus, and the daisy chain bridge circuit 103 forwards it to the high-voltage control execution unit 101 or the high-voltage battery collection unit 102 to control the high-voltage control execution unit 101 or the high-voltage battery collection unit 102 to perform corresponding operations on the vehicle's power battery. Correspondingly, the high-voltage control execution unit 101 or the high-voltage battery collection unit 102 can return the operation results to the power domain controller 105 through the daisy chain bridge circuit 103 and the CAN bus. Similarly, the power domain controller 105 can also send a second control signal to the low-voltage sampling control execution unit 104 through the CAN bus to control the low-voltage sampling control execution unit 104 to perform corresponding operations on the low-voltage lithium battery of the vehicle. Correspondingly, the low-voltage sampling control execution unit 104 can return the operation results to the power domain controller 105 through the CAN bus.

[0024] For the daisy chain bridge circuit 103, Figure 1 In the battery management fusion system shown, TPL represents the daisy chain communication protocol, which means that the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 communicate with the daisy chain bridge circuit 103 using TPL signals. Among them, the daisy chain bridge circuit 103 can be regarded as a TPL transceiver, including a transmitter (TX) and a receiver (RX). The transmitter (TX) is used to convert the TPL signals from the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 into CAN signals respectively, so that the daisy chain bridge circuit 103 can forward the CAN signals to the power domain controller 105 through the CAN bus. The receiving end (RX) is used to convert the CAN signal from the power domain controller 105 into a pulse phase-encoded differential signal, that is, a TPL signal, and then forward the TPL signal to the high-voltage control execution unit 101 or the high-voltage battery cell acquisition unit 102. The CAN signal is differentially transmitted through two signal lines (‌CANH and ‌CANL).

[0025] In some embodiments, see Figure 1, the battery management fusion system also includes a first CAN chip 106 and a second CAN chip 107. Accordingly, the daisy chain bridge circuit 103 is connected to the CAN bus through the first CAN chip 106, and the CAN bus is connected to the power domain controller 105. The low-voltage sampling control execution unit 104 is connected to the CAN bus through the second CAN chip 107, and the CAN bus is connected to the power domain controller 105. Among them, the CAN chip includes a CAN controller and a CAN transceiver. The CAN controller is used to realize signal transmission on the CAN bus, that is, the CAN controller can send signals to the CAN bus and receive signals from the CAN bus. The CAN transceiver is used to convert the digital signal sent by the CAN controller into a differential signal suitable for transmission on the CAN bus, and convert the differential signal received from the CAN bus into a digital signal for processing by the CAN controller. Accordingly, the daisy chain bridge circuit 103 is connected to the CAN bus through the CAN controller and the CAN transceiver in the first CAN chip 106. The low-voltage sampling control execution unit 104 is connected to the CAN bus through the CAN controller and the CAN transceiver in the second CAN chip 107.

[0026] In some embodiments, Figure 2 is a schematic diagram of the structure of another battery management fusion system provided according to an embodiment of the present application. Figure 2 The power domain controller 105 includes a control chip 1051, a power supply circuit 1052 and a third CAN chip 1053. The power supply circuit 1052 is used to connect or disconnect the power supply of the power battery to the vehicle, and the third CAN chip 1053 is connected to the first CAN chip 106 through the CAN bus; accordingly, the signal flow of each module in the process of the domain controller 105 sending the first control signal to the high-voltage control execution unit 101 or the high-voltage battery cell acquisition unit 102 is as follows: (1) Inside the power domain controller 105, the control chip 1051 is used to send a first control signal to the third CAN chip 1053, where the first control signal is used to instruct to collect the operation information of the power battery or to control the operation of the power battery.

[0027] (2) The third CAN chip 1053 is used to send the first control signal to the first CAN chip 106 via the CAN bus. The third CAN chip 1053 also includes a CAN controller and a CAN transceiver. The CAN controller of the third CAN chip 1053 is used to send the first control signal generated by the control chip 1051 to the CAN bus. During the sending process, the CAN transceiver in the third CAN chip 1053 is used to convert the first control signal sent by the CAN controller into a differential signal suitable for transmission on the CAN bus. Correspondingly, the CAN controller in the first CAN chip 106 connected to the CAN bus is used to receive the first control signal from the CAN bus. During the receiving process, the CAN transceiver in the first CAN chip 106 is used to convert the first control signal from a differential signal suitable for transmission on the CAN bus into a digital signal suitable for processing by the CAN controller.

[0028] (3) The first CAN chip 106 is used to send the first control signal to the daisy chain bridge circuit 103. After receiving the first control signal, the CAN controller in the first CAN chip 106 can parse the first control signal to obtain key information in the first control signal, such as the execution unit of the operation indicated by the first control signal. In the case where the execution unit is the high-voltage control execution unit 101 or the high-voltage battery cell acquisition unit 102, the CAN controller in the first CAN chip 106 can send the first control signal to the daisy chain bridge circuit 103 connected to the high-voltage control execution unit 101 or the high-voltage battery cell acquisition unit 102 respectively.

[0029] (4) The daisy chain bridge circuit 103 is used to convert the first control signal, and when the operation indicated by the first control signal is an operation executable by the high-voltage control execution unit 101, the converted first control signal is sent to the high-voltage control execution unit 101, and when the operation indicated by the first control signal is an operation executable by the high-voltage battery collection unit 102, the converted first control signal is sent to the high-voltage battery collection unit 102. In particular, since the high-voltage control execution unit 101 and the high-voltage battery collection unit 102 communicate with the daisy chain bridge circuit 103 using TPL signals, the daisy chain bridge circuit 103 can convert the first control signal after receiving the first control signal, so as to convert the first control signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication. When the operation indicated by the first control signal is to control the operation of the power battery, it indicates that the operation indicated by the first control signal is an operation executable by the high-voltage control execution unit 101, so the daisy chain bridge circuit 103 sends the converted first control signal to the high-voltage control execution unit 101. When the operation indicated by the first control signal is to collect the operating information of the power battery, it indicates that the operation indicated by the first control signal is an operation executable by the high-voltage battery collection unit 102 , so the daisy chain bridge circuit 103 sends the converted first control signal to the high-voltage battery collection unit 102 .

[0030] In some embodiments, see Figure 2 The power supply circuit 1052 is also used to connect or disconnect the low-voltage lithium battery to the vehicle. The third CAN chip 1053 is connected to the second CAN chip 106 through the CAN bus. Accordingly, the signal flow of each module in the process of the domain controller 105 sending the second control signal to the low-voltage sampling control execution unit 104 is: (1) Inside the power domain controller 105, the control chip 1051 is used to send a second control signal to the third CAN chip 1053, where the second control signal is used to instruct to collect the operation information of the low-voltage lithium battery or to control the operation of the low-voltage lithium battery.

[0031] (2) The third CAN chip 1051 is used to send the second control signal to the second CAN chip 107 via the CAN bus. The third CAN chip 1053 also includes a CAN controller and a CAN transceiver. The CAN controller of the third CAN chip 1053 is used to send the second control signal generated by the control chip 1051 to the CAN bus. During the sending process, the CAN transceiver in the third CAN chip 1053 is used to convert the second control signal sent by the CAN controller into a differential signal suitable for transmission on the CAN bus. Correspondingly, the CAN controller in the second CAN chip 107 connected to the CAN bus is used to receive the second control signal from the CAN bus. During the receiving process, the CAN transceiver in the second CAN chip 107 is used to convert the second control signal from a differential signal suitable for transmission on the CAN bus into a digital signal suitable for processing by the CAN controller.

[0032] (3) The second CAN chip 107 is used to send the second control signal to the low-voltage sampling control execution unit 104. After receiving the second control signal, the CAN controller in the second CAN chip 107 can parse the second control signal to obtain key information in the second control signal, such as the execution unit of the operation indicated by the second control signal. In the case where the execution unit is the low-voltage sampling control execution unit 104, the CAN controller in the second CAN chip 107 can send the second control signal to the low-voltage sampling control execution unit 104.

[0033] In some embodiments, the control chip 1051 in the power domain controller 105 is a multi-core chip, including a first core and a second core. Accordingly, the daisy chain bridge circuit 103 can be connected to the first core in the control chip 1051 through the CAN bus, and the low-voltage sampling control execution unit 104 can be connected to the second core in the control chip 1051 through the CAN bus. By setting different cores for the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 for managing the power battery and the low-voltage sampling control execution unit 104 for managing the low-voltage lithium battery, the battery management fusion system can realize the communication between the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 and the low-voltage sampling control execution unit 104 only through the inter-core communication in the control chip 1051, that is, the communication between the power battery management system and the low-voltage lithium battery management system is realized through the inter-core communication, which reduces the communication cost and improves the communication efficiency.

[0034] In some embodiments, in the intelligent charging scenario, the power battery management system and the low-voltage lithium battery management system need to communicate with each other. Figure 2 The battery management fusion system shown in the figure implements intelligent charging including the following steps: (1) When the second control signal from the second core is used to instruct the collection of the remaining power of the low-voltage lithium battery, the low-voltage sampling control execution unit 104 is used to collect the remaining power of the low-voltage lithium battery based on the second control signal, and send the remaining power of the low-voltage lithium battery to the second core via the CAN bus. Among them, the low-voltage sampling control execution unit 104 can send the remaining power of the low-voltage lithium battery to the second CAN chip 107 in the form of a signal. The second CAN chip 107 can send the remaining power of the low-voltage lithium battery to the CAN bus in the form of a signal. The third CAN chip 1053 in the power domain controller 105 can receive the remaining power of the low-voltage lithium battery from the CAN bus, and send the remaining power of the low-voltage lithium battery to the second core in the control chip 1051.

[0035] (2) The second core is used to receive the remaining power, and when the remaining power is lower than the preset power, send a recharge signal to the first core, and the recharge signal is used to indicate that the low-voltage lithium battery is recharged. In particular, when the remaining power of the low-voltage lithium battery is lower than the preset power, it indicates that the remaining power of the low-voltage lithium battery is low. In order to maintain the normal power supply of the low-voltage electrical devices in the vehicle, the second core can send a recharge signal to the first core that is communicatively connected to the high-voltage control execution unit 101 and the high-voltage battery cell acquisition unit 102 that manage the power battery, so as to instruct the power battery to recharge the low-voltage lithium battery.

[0036] (3) The first core is used to receive the power replenishment signal and send the power replenishment signal to the daisy chain bridge circuit 103 through the CAN bus. The first core in the control chip 1051 can send the power replenishment signal to the third CAN chip 1053. The third CAN chip 1053 can send the power replenishment signal to the CAN bus. The first CAN chip 106 can receive the power replenishment signal from the CAN bus and send the power replenishment signal to the daisy chain bridge circuit 103.

[0037] (4) The daisy chain bridge circuit 103 is used to convert the power supply signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication. Since the operation indicated by the power supply signal is an operation executable by the high-voltage control execution unit 101, the daisy chain bridge circuit 103 can send the converted power supply signal to the high-voltage control execution unit 101.

[0038] (5) The high-voltage control execution unit 101 is used to receive the charging signal and, based on the charging signal, control the power battery to charge the low-voltage lithium battery. In the intelligent charging scenario, by using the battery management fusion system shown in the embodiment of the present application, it is possible to achieve intelligent charging of the high-voltage power battery to the low-voltage lithium battery by controlling the communication between different cores in the chip, without the need for communication between the high-voltage power battery controller and the low-voltage lithium battery controller, thereby reducing the communication cost and improving the communication efficiency.

[0039] In some embodiments, the battery management fusion system further includes a first transformer and a second transformer. Accordingly, the high-voltage control execution unit 101 is connected to the daisy-chain bridge circuit 103 through the first transformer; the high-voltage battery cell acquisition unit 102 is connected to the daisy-chain bridge circuit 103 through the second transformer. Among them, the first transformer is used to isolate the sending signal and the receiving signal of the high-voltage control execution unit 101, and the second transformer is used to isolate the sending signal and the receiving signal of the high-voltage battery cell acquisition unit 102. By adding a transformer between the high-voltage control execution unit and the high-voltage battery cell acquisition unit and the daisy-chain bridge circuit, the sent and received signals can be isolated, preventing electrical interference or electromagnetic interference during signal transmission, and improving the safety and stability of the equipment.

[0040] An embodiment of the present application provides a battery management fusion system. By connecting the high-voltage control execution unit and the high-voltage battery cell acquisition unit to the power domain controller through a daisy chain bridge circuit and a CAN bus, and connecting the low-voltage sampling control execution unit to the power domain controller through a CAN bus, the vehicle's power battery management system and low-voltage lithium battery management system can share a controller, that is, there is no need to set up a separate controller for each, which not only reduces the hardware cost, but also converts the communication mode of the power battery management system and the low-voltage lithium battery management system from communication between controllers to communication within the shared controller, thereby reducing the communication cost between the power battery management system and the low-voltage lithium battery management system and improving the communication efficiency.

[0041] It should be noted that the battery management fusion system provided in the above embodiment is only illustrated by the division of the above functional modules. In actual applications, the above functions can be assigned to different functional modules as needed, that is, the system is divided into different functional modules to complete all or part of the functions described above. In addition, the battery management fusion system provided in the above embodiment and the following intelligent power replenishment method embodiment belong to the same concept, and the battery management fusion system provided in the above embodiment is applicable to the following method embodiment.

[0042] Figure 3It is a flow chart of an intelligent charging method provided according to an embodiment of the present application. The method is applied to a battery management fusion system of a vehicle. The battery management fusion system includes a high-voltage control execution unit, a daisy chain bridge circuit, a low-voltage sampling control execution unit and a power domain controller. The power domain controller includes a control chip. The control chip is a multi-core chip, including a first core and a second core. Figure 3 As shown, the method comprises the following steps: 301. When the vehicle is in a startup state, a control signal is sent to a low-voltage sampling control execution unit through a second core.

[0043] In the embodiment of the present application, the low-voltage sampling control execution unit in the battery management fusion system is used to collect the operation information of the low-voltage lithium battery of the vehicle and control the operation of the low-voltage lithium battery. Accordingly, when the vehicle is in the starting state, in order to monitor the remaining power of the low-voltage lithium battery of the vehicle, the power domain controller in the battery management fusion system can send a corresponding control signal to the low-voltage sampling control execution unit to control the low-voltage sampling control execution unit to collect the remaining power of the low-voltage lithium battery.

[0044] Since the control chip in the power domain controller is a multi-core chip, and the second core in the control chip is connected to the low-voltage sampling control execution unit through the CAN bus, the second core in the control chip can send a control signal to the CAN bus, and the low-voltage sampling control execution unit receives the control signal from the CAN bus. The control signal is used to indicate the remaining power of the low-voltage lithium battery of the collected vehicle.

[0045] 302. The low-voltage sampling control execution unit collects the remaining power of the low-voltage lithium battery based on the control signal, and sends the remaining power of the low-voltage lithium battery to the second core.

[0046] In the embodiment of the present application, after receiving the control signal, the low-voltage sampling control execution unit can execute the operation indicated by the control signal, that is, the low-voltage sampling control execution unit is controlled to collect the remaining power of the low-voltage lithium battery and send the remaining power to the CAN bus in the form of a signal. The second core can receive the remaining power from the CAN bus.

[0047] 303. When the remaining power is lower than the preset power, send a power replenishment signal to the first core through the second core.

[0048] In an embodiment of the present application, when the remaining power is lower than the preset power, it indicates that the remaining power of the low-voltage lithium battery is low. In order to maintain the normal power supply of the low-voltage electrical devices in the vehicle, the second core can send a power replenishment signal to the first core. Among them, the power replenishment signal is used to indicate that the low-voltage lithium battery is to be recharged. The first core is connected to the daisy chain bridge circuit through the CAN bus communication, and the daisy chain bridge circuit is connected to the high-voltage control execution unit that manages the power battery. The preset power can be 40%, 30%, 20%, etc., which is not limited in the embodiment of the present application.

[0049] 304. Send a power replenishment signal to the daisy chain bridge circuit through the first core, and the daisy chain bridge circuit is communicatively connected with the first core through the CAN bus.

[0050] In the embodiment of the present application, after receiving the power replenishment signal, the first core can send the power replenishment signal to the CAN bus, and the daisy chain bridge circuit receives the power replenishment signal from the CAN bus.

[0051] 305. Perform signal conversion on the supplementary power signal through the daisy chain bridge circuit to convert the supplementary power signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication, and send the converted supplementary power signal to the high-voltage control execution unit.

[0052] In the embodiment of the present application, the high-voltage control execution unit in the battery management fusion system is used to control the operation of the vehicle's power battery. Since the high-voltage control execution unit and the daisy chain bridge circuit use TPL (daisy chain communication protocol) signals for communication, the daisy chain bridge circuit can convert the power replenishment signal after receiving the power replenishment signal, so as to convert the power replenishment signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication. Since the operation indicated by the power replenishment signal is an operation executable by the high-voltage control execution unit, the daisy chain bridge circuit can send the converted power replenishment signal to the high-voltage control execution unit.

[0053] 306. Through the high-voltage control execution unit, based on the converted power replenishment signal, control the power battery to replenish the low-voltage lithium battery.

[0054] In the embodiment of the present application, after receiving the converted power replenishment signal, the high voltage control execution unit can execute the operation indicated by the power replenishment signal, that is, control the power battery to replenish the low voltage lithium battery.

[0055] An embodiment of the present application provides an intelligent power replenishment method by using a battery management fusion system that connects a high-voltage control execution unit to a power domain controller through a daisy chain bridge circuit and a CAN bus, and connects a low-voltage sampling control execution unit to the power domain controller through a CAN bus, and in the battery management fusion system, different cores are respectively set for the high-voltage control execution unit for managing the power battery and the low-voltage sampling control execution unit for managing the low-voltage lithium battery. The battery management fusion system can realize communication between the high-voltage control execution unit and the low-voltage sampling control execution unit only through inter-core communication in a control chip in the power domain controller, that is, intelligent power replenishment from the high-voltage power battery to the low-voltage lithium battery can be realized through communication between different cores in the control chip, without the need for communication between the controller of the high-voltage power battery and the controller of the low-voltage lithium battery, thereby reducing communication costs and improving communication efficiency.

[0056] Figure 4 Schematic diagram of an implementation environment of an intelligent power replenishment method provided according to an embodiment of the present application. Figure 4 The implementation environment includes a vehicle 401 and an electronic device 402, and the vehicle 401 and the electronic device 402 are connected via a wireless network.

[0057] In some embodiments, a battery management fusion system is configured in a vehicle 401, and the battery management fusion system is used to manage the power battery and the low-voltage lithium battery in the vehicle 401. The power domain controller in the battery management fusion system is used to control the high-voltage control execution unit, the high-voltage battery cell acquisition unit, and the low-voltage sampling control execution unit. The high-voltage control execution unit is used to control the operation of the power battery of the vehicle 401. The high-voltage battery cell acquisition unit is used to collect the operation information of the power battery of the vehicle 401. The low-voltage sampling control execution unit is used to collect the operation information of the low-voltage lithium battery of the vehicle 401 and control the operation of the low-voltage lithium battery.

[0058] In some embodiments, the electronic device 402 may be a controller or an on-board terminal of the vehicle 401 itself, that is, the vehicle 401 may use its own device to implement an intelligent charging method. The electronic device 402 may also be a mobile terminal that establishes a communication connection with the vehicle 401, such as a smart phone, a tablet computer, a laptop computer, a desktop computer, etc. Taking the electronic device 402 as an on-board terminal of the vehicle 401 as an example, the on-board terminal 401 can display the remaining power of the power battery and the low-voltage lithium battery of the vehicle 401. And when the remaining power of the low-voltage lithium battery is low, a control signal is sent to the power domain controller in the battery management fusion system of the vehicle. Based on the control signal, the power domain controller sends a charging signal to the high-voltage control execution unit in the battery management fusion system for managing the operation of the power battery. Based on the charging signal, the high-voltage control execution unit controls the power battery to charge the low-voltage lithium battery.

[0059] Figure 5 1 is a schematic diagram of the structure of an electronic device provided according to an embodiment of the present application. The electronic device 500 may be a portable mobile terminal, such as a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III), an MP4 player (Moving Picture Experts Group Audio Layer IV), a laptop computer or a desktop computer. The electronic device 500 may also be referred to as a user device, a portable terminal, a laptop terminal, a desktop terminal or other names.

[0060] Typically, the electronic device 500 includes a processor 501 and a memory 502 .

[0061] The processor 501 may include one or more processing cores, such as a 4-core processor, an 8-core processor, etc. The processor 501 may be implemented in at least one hardware form of DSP (Digital Signal Processing), FPGA (Field-Programmable Gate Array), and PLA (Programmable Logic Array). The processor 501 may also include a main processor and a coprocessor. The main processor is a processor for processing data in the awake state, also known as a CPU (Central Processing Unit); the coprocessor is a low-power processor for processing data in the standby state. In some embodiments, the processor 501 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content to be displayed on the display screen. In some embodiments, the processor 501 may also include an AI (Artificial Intelligence) processor, which is used to process computing operations related to machine learning.

[0062] The memory 502 may include one or more computer-readable storage media, which may be non-transitory. The memory 502 may also include high-speed random access memory and non-volatile memory, such as one or more disk storage devices, flash memory storage devices. In some embodiments, the non-transitory computer-readable storage medium in the memory 502 is used to store at least one computer program, which is used to be executed by the processor 501 to implement the intelligent power replenishment method provided in the method embodiment of the present application.

[0063] In some embodiments, the electronic device 500 may also optionally include: a peripheral device interface 503 and at least one peripheral device. The processor 501, the memory 502 and the peripheral device interface 503 may be communicatively connected via a bus or a signal line. Each peripheral device may be communicatively connected to the peripheral device interface 503 via a bus, a signal line or a circuit board. Specifically, the peripheral device includes: at least one of a radio frequency circuit 504, a display screen 505, a camera assembly 506, an audio circuit 507 and a power supply 508.

[0064] The peripheral device interface 503 may be used to connect at least one peripheral device related to I / O (Input / Output) to the processor 501 and the memory 502. In some embodiments, the processor 501, the memory 502, and the peripheral device interface 503 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 501, the memory 502, and the peripheral device interface 503 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.

[0065] The radio frequency circuit 504 is used to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuit 504 communicates with the communication network and other communication devices through electromagnetic signals. The radio frequency circuit 504 converts electrical signals into electromagnetic signals for transmission, or converts received electromagnetic signals into electrical signals. In some embodiments, the radio frequency circuit 504 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a user identity module card, and the like. The radio frequency circuit 504 can communicate with other terminals through at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: the World Wide Web, a metropolitan area network, an intranet, various generations of mobile communication networks (2G, 3G, 4G and 5G), a wireless local area network and / or a WiFi (Wireless Fidelity) network. In some embodiments, the radio frequency circuit 504 may also include circuits related to NFC (Near Field Communication), which is not limited in this application.

[0066] The display screen 505 is used to display a UI (User Interface). The UI may include graphics, text, icons, videos, and any combination thereof. When the display screen 505 is a touch display screen, the display screen 505 also has the ability to collect touch signals on the surface or above the surface of the display screen 505. The touch signal can be input to the processor 501 as a control signal for processing. At this time, the display screen 505 can also be used to provide virtual buttons and / or virtual keyboards, also known as soft buttons and / or soft keyboards. In some embodiments, the display screen 505 can be one, which is set on the front panel of the electronic device 500; in other embodiments, the display screen 505 can be at least two, which are respectively set on different surfaces of the electronic device 500 or are folded; in other embodiments, the display screen 505 can be a flexible display screen, which is set on the curved surface or folded surface of the electronic device 500. Even, the display screen 505 can also be set to a non-rectangular irregular shape, that is, a special-shaped screen. The display screen 505 can be made of materials such as LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode, organic light-emitting diode).

[0067] The camera assembly 506 is used to capture images or videos. In some embodiments, the camera assembly 506 includes a front camera and a rear camera. Typically, the front camera is disposed on the front panel of the terminal, and the rear camera is disposed on the back of the terminal. In some embodiments, there are at least two rear cameras, which are any one of a main camera, a depth of field camera, a wide-angle camera, and a telephoto camera, so as to realize the fusion of the main camera and the depth of field camera to realize the background blur function, the fusion of the main camera and the wide-angle camera to realize the panoramic shooting and VR (Virtual Reality) shooting function or other fusion shooting functions. In some embodiments, the camera assembly 506 may also include a flash. The flash may be a single-color temperature flash or a dual-color temperature flash. A dual-color temperature flash refers to a combination of a warm light flash and a cold light flash, which can be used for light compensation at different color temperatures.

[0068] The audio circuit 507 may include a microphone and a speaker. The microphone is used to collect sound waves from the user and the environment, and convert the sound waves into electrical signals and input them into the processor 501 for processing, or input them into the radio frequency circuit 504 to achieve voice communication. For the purpose of stereo acquisition or noise reduction, there may be multiple microphones, which are respectively arranged at different parts of the electronic device 500. The microphone may also be an array microphone or an omnidirectional acquisition microphone. The speaker is used to convert the electrical signal from the processor 501 or the radio frequency circuit 504 into sound waves. The speaker may be a traditional film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, it can not only convert the electrical signal into sound waves audible to humans, but also convert the electrical signal into sound waves inaudible to humans for purposes such as ranging. In some embodiments, the audio circuit 507 may also include a headphone jack.

[0069] The power supply 508 is used to power various components in the electronic device 500. The power supply 508 can be an alternating current, a direct current, a disposable battery, or a rechargeable battery. When the power supply 508 includes a rechargeable battery, the rechargeable battery can be a wired rechargeable battery or a wireless rechargeable battery. A wired rechargeable battery is a battery that is charged through a wired line, and a wireless rechargeable battery is a battery that is charged through a wireless coil. The rechargeable battery can also be used to support fast charging technology.

[0070] In some embodiments, the electronic device 500 further includes one or more sensors 509 , including but not limited to: an acceleration sensor 510 , a gyroscope sensor 511 , a pressure sensor 512 , an optical sensor 513 , and a proximity sensor 514 .

[0071] The acceleration sensor 510 can detect the magnitude of acceleration on the three coordinate axes of the coordinate system established by the electronic device 500. For example, the acceleration sensor 510 can be used to detect the components of gravity acceleration on the three coordinate axes. The processor 501 can control the display screen 505 to display the user interface in a horizontal view or a vertical view according to the gravity acceleration signal collected by the acceleration sensor 510. The acceleration sensor 510 can also be used to collect game or user motion data.

[0072] The gyro sensor 511 can detect the body direction and rotation angle of the electronic device 500, and the gyro sensor 511 can cooperate with the acceleration sensor 510 to collect the user's 3D actions on the electronic device 500. The processor 501 can implement the following functions based on the data collected by the gyro sensor 511: motion sensing (such as changing the UI according to the user's tilt operation), image stabilization during shooting, game control, and inertial navigation.

[0073] The pressure sensor 512 can be set on the side frame of the electronic device 500 and / or the lower layer of the display screen 505. When the pressure sensor 512 is set on the side frame of the electronic device 500, it can detect the user's holding signal of the electronic device 500, and the processor 501 performs left and right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 512. When the pressure sensor 512 is set on the lower layer of the display screen 505, the processor 501 controls the operability controls on the UI interface according to the user's pressure operation on the display screen 505. The operability controls include at least one of a button control, a scroll bar control, an icon control, and a menu control.

[0074] The optical sensor 513 is used to collect the ambient light intensity. In one embodiment, the processor 501 can control the display brightness of the display screen 505 according to the ambient light intensity collected by the optical sensor 513. Specifically, when the ambient light intensity is high, the display brightness of the display screen 505 is increased; when the ambient light intensity is low, the display brightness of the display screen 505 is reduced. In another embodiment, the processor 501 can also dynamically adjust the shooting parameters of the camera component 506 according to the ambient light intensity collected by the optical sensor 513.

[0075] The proximity sensor 514, also called a distance sensor, is usually disposed on the front panel of the electronic device 500. The proximity sensor 514 is used to collect the distance between the user and the front of the electronic device 500. In one embodiment, when the proximity sensor 514 detects that the distance between the user and the front of the electronic device 500 is gradually decreasing, the processor 501 controls the display screen 505 to switch from the screen-on state to the screen-off state; when the proximity sensor 514 detects that the distance between the user and the front of the electronic device 500 is gradually increasing, the processor 501 controls the display screen 505 to switch from the screen-off state to the screen-on state.

[0076] Those skilled in the art will understand that Figure 5 The structure shown in the figure does not constitute a limitation on the electronic device 500, and may include more or less components than those shown in the figure, or combine some components, or adopt a different component arrangement.

[0077] The embodiment of the present application also provides a computer-readable storage medium, in which at least one computer program is stored, and the at least one computer program is loaded and executed by the processor of the electronic device to implement the operation performed by the electronic device in the intelligent power replenishment method of the above embodiment. For example, the computer-readable storage medium can be a read-only memory (ROM), a random access memory (RAM), a compact disc read-only memory (CD-ROM), a magnetic tape, a floppy disk, an optical data storage device, etc.

[0078] A person skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware or by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0079] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A battery management fusion system, characterized in that: Applied to vehicles, the battery management fusion system includes a high-voltage control execution unit, a high-voltage battery cell acquisition unit, a daisy chain bridge circuit, a low-voltage sampling control execution unit and a power domain controller; The high-voltage battery cell acquisition unit is used to collect the operating information of the power battery of the vehicle, the high-voltage control execution unit is used to control the operation of the power battery, and the low-voltage sampling control execution unit is used to collect the operating information of the low-voltage lithium battery of the vehicle and control the operation of the low-voltage lithium battery; The high-voltage control execution unit and the high-voltage battery collection unit are respectively connected to the daisy chain bridge circuit, and the daisy chain bridge circuit is communicatively connected to the power domain controller via a CAN bus; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus.

2. The system according to claim 1, characterized in that The battery management fusion system also includes a first transformer and a second transformer; The high-voltage control execution unit and the high-voltage battery cell acquisition unit are respectively connected to the daisy chain bridge circuit, including: The high-voltage control execution unit is connected to the daisy chain bridge circuit through the first transformer, and the first transformer is used to isolate the sending signal and the receiving signal of the high-voltage control execution unit; The high-voltage battery cell acquisition unit is connected to the daisy chain bridge circuit through the second transformer, and the second transformer is used to isolate the sending signal and the receiving signal of the high-voltage battery cell acquisition unit.

3. The system according to claim 1, characterized in that The battery management fusion system also includes a first CAN chip and a second CAN chip; The daisy chain bridge circuit is communicatively connected with the power domain controller via a CAN bus, and includes: The daisy chain bridge circuit is connected to the CAN bus through the first CAN chip, and the CAN bus is connected to the power domain controller; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus, and includes: The low-voltage sampling control execution unit is connected to the CAN bus through the second CAN chip, and the CAN bus is connected to the power domain controller.

4. The system according to claim 3, characterized in that The power domain controller includes a control chip, a power supply circuit and a third CAN chip, wherein the power supply circuit is used to connect or disconnect the power battery from supplying power to the vehicle, and the third CAN chip is communicatively connected with the first CAN chip via the CAN bus; The control chip is used to send a first control signal to the third CAN chip, where the first control signal is used to instruct to collect the operation information of the power battery or control the operation of the power battery; The third CAN chip is used to send the first control signal to the first CAN chip through the CAN bus; The first CAN chip is used to send the first control signal to the daisy chain bridge circuit; The daisy chain bridge circuit is used to perform signal conversion on the first control signal, and when the operation indicated by the first control signal is an operation executable by the high-voltage control execution unit, the converted first control signal is sent to the high-voltage control execution unit; when the operation indicated by the first control signal is an operation executable by the high-voltage battery cell acquisition unit, the converted first control signal is sent to the high-voltage battery cell acquisition unit.

5. The system according to claim 3, characterized in that The power domain controller includes a control chip, a power supply circuit and a third CAN chip, wherein the power supply circuit is used to connect or disconnect the low-voltage lithium battery from supplying power to the vehicle, and the third CAN chip is communicatively connected with the second CAN chip via the CAN bus; The control chip is used to send a second control signal to the third CAN chip, where the second control signal is used to instruct to collect the operation information of the low-voltage lithium battery or to control the operation of the low-voltage lithium battery; The third CAN chip is used for sending the second control signal to the second CAN chip through the CAN bus; The second CAN chip is used to send the second control signal to the low-voltage sampling control execution unit.

6. The system according to claim 1, characterized in that The power domain controller includes a control chip, which is a multi-core chip including a first core and a second core; The daisy chain bridge circuit is communicatively connected with the power domain controller via a CAN bus, and includes: The daisy chain bridge circuit is communicatively connected to the first core in the control chip via the CAN bus; The low-voltage sampling control execution unit is communicatively connected with the power domain controller via the CAN bus, and includes: The low-voltage sampling control execution unit is connected to the second core in the control chip through the CAN bus.

7. The system according to claim 6, characterized in that In the case where the second control signal from the second core is used to instruct to collect the remaining power of the low-voltage lithium battery, the low-voltage sampling control execution unit is used to collect the remaining power of the low-voltage lithium battery based on the second control signal, and send the remaining power of the low-voltage lithium battery to the second core through the CAN bus; The second core is used to receive the remaining power, and when the remaining power is lower than a preset power, send a power replenishment signal to the first core, wherein the power replenishment signal is used to instruct to replenish power for the low-voltage lithium battery; The first core is used to receive the power replenishment signal and send the power replenishment signal to the daisy chain bridge circuit through the CAN bus; The daisy chain bridge circuit is used to perform signal conversion on the power supply signal, so as to convert the power supply signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication, and send the converted power supply signal to the high voltage control execution unit; The high-voltage control execution unit is used to receive the power replenishment signal and control the power battery to replenish the low-voltage lithium battery based on the power replenishment signal.

8. An intelligent power replenishment method, characterized in that: A battery management fusion system applied to a vehicle, the battery management fusion system comprising a high voltage control execution unit, a daisy chain bridge circuit, a low voltage sampling control execution unit and a power domain controller, the power domain controller comprising a control chip, the control chip being a multi-core chip, comprising a first core and a second core, the method comprising: When the vehicle is in a startup state, a control signal is sent to the low-voltage sampling control execution unit through the second core, wherein the control signal is used to instruct to collect the remaining power of the low-voltage lithium battery of the vehicle, and the second core is connected to the low-voltage sampling control execution unit through a CAN bus; By means of the low-voltage sampling control execution unit, based on the control signal, the remaining power of the low-voltage lithium battery is collected, and the remaining power of the low-voltage lithium battery is sent to the second core; When the remaining power is lower than the preset power, a power replenishment signal is sent to the first core through the second core, wherein the power replenishment signal is used to instruct to replenish power for the low-voltage lithium battery; Sending the power replenishment signal to the daisy chain bridge circuit through the first core, the daisy chain bridge circuit being communicatively connected with the first core through a CAN bus; The power supply signal is converted by the daisy chain bridge circuit to convert the power supply signal from a signal suitable for CAN communication to a signal suitable for daisy chain communication, and the converted power supply signal is sent to the high voltage control execution unit; The high-voltage control execution unit controls the power battery of the vehicle to supplement the low-voltage lithium battery based on the converted supplementary power signal.

9. An electronic device, characterized in that: The electronic device comprises a processor and a memory, wherein the memory is used to store at least one computer program, and the at least one computer program is loaded by the processor and executes the intelligent power charging method according to claim 8.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium is used to store at least one computer program, and the at least one computer program is used to execute the intelligent power replenishment method according to claim 8.

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