CN-122018844-A - Information processing method of mobile power supply and display panel of mobile power supply

CN122018844ACN 122018844 ACN122018844 ACN 122018844ACN-122018844-A

Abstract

The invention discloses an information processing method of a mobile power supply and a display panel of the mobile power supply, and relates to the technical field of electric energy storage, comprising the steps of acquiring battery state data from a battery management system through a communication signal wire; and carrying out safety monitoring and processing on the battery state data, and sending information through Bluetooth wireless communication based on a processing result. According to the invention, the Bluetooth IC is reconfigured into the core processing chip of the display panel, and the unique original communication line between the Bluetooth IC and the battery management system is multiplexed, so that the upgrade can be completed only by replacing the display panel, the compliance transformation cost and risk are reduced, the high consistency of display module information and Bluetooth reporting information is ensured based on the architecture of a single data source and the same processing core, the safety misleading possibly caused by multi-source data is radically eradicated, and the authority and reliability of monitoring data are improved.

Inventors

QIU LINSHI
HUANG CHENGWEN
MO SHANWEI
ZHONG KAIPENG

Assignees

深圳市爱尚智联科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260415

Claims (10)

1. An information processing method of a portable power source, the method being performed by a bluetooth IC provided on a display panel of the portable power source, the bluetooth IC being connected to a battery management system through a communication signal line between the display panel and the battery management system, the method comprising: s10, acquiring battery state data from a battery management system through the communication signal line; s20, processing the battery state data to generate display information, and driving a display module to display; S30, carrying out safety monitoring and processing on the battery state data and sending information through Bluetooth wireless communication based on a processing result, wherein the step S30 comprises the steps of monitoring the battery state data, judging whether the battery state data meets preset abnormal conditions, storing abnormal information comprising abnormal types, values and time if the battery state data meets the preset abnormal conditions, and sending the battery state data and/or the abnormal information through Bluetooth wireless communication in response to an external request.
2. The information processing method of a mobile power supply according to claim 1, wherein step S10 includes: s11, powering up a Bluetooth IC and completing initialization configuration of a communication interface; S12, the Bluetooth IC is used as a host device to initiate communication, establishes connection with a BMS used as a slave device and completes protocol handshake; S13, sending a data request instruction to the BMS, receiving a data packet returned by the BMS, and performing integrity check and caching; S14, analyzing the data packet according to a preset communication protocol and extracting key battery state parameters; s15, multiplying the extracted original value by a calibration coefficient to convert the original value into an engineering value.
3. The method for processing information of a portable power source according to claim 1, wherein the step S20 includes S21 of parsing key information for display from the acquired and verified data packet; s22, driving data required by the display module is generated according to a preset mapping relation and display logic; s23, outputting display data to a display module, wherein the output comprises direct driving through GPIO analog communication time sequence or indirect driving through sending data to a display driving chip through a standard communication interface; and S24, periodically updating the content of the display module based on the refresh rate of the data update synchronization.
4. The information processing method according to claim 1, wherein the abnormality information stored in step S30 includes: structured anomaly event records generated in time sequence and containing anomaly type identification codes, parameter values when anomalies are triggered and time stamps calibrated based on a real-time clock are stored in a nonvolatile memory inside the Bluetooth IC to form a traceable historical event log.
5. The information processing method according to claim 1, wherein the display information and the information to be transmitted by bluetooth wireless communication are generated by the bluetooth IC by the same processing logic based on the same piece of the battery status data acquired from the same communication signal line.
6. The method of claim 1, wherein the reusable GPIO ports of the bluetooth IC are connected to the same set of physical pins, and are configured by software to operate alternatively between a hardware peripheral mode and a software emulation mode, wherein: In the hardware peripheral mode, the GPIO port is configured as a physical interface of a hardware peripheral inside a chip, and the hardware peripheral comprises an I2C controller, an SPI controller or a UART controller; In the software simulation mode, the level overturning time sequence of the GPIO port is controlled by software to generate a signal waveform conforming to an I2C, SPI or UART communication protocol, and the signal waveform and the hardware peripheral mode share the same group of physical pins.
7. The display panel of the mobile power supply is characterized by comprising a battery pack, a battery management system and a display panel, wherein the display panel comprises a display module and a Bluetooth IC; The Bluetooth IC is connected with the battery management system through an original communication signal line between the display panel and the battery management system so as to acquire battery state data provided by the battery management system; the bluetooth IC is connected to the display module and configured to perform the information processing method according to any one of claims 1 to 6.
8. The portable power source display panel of claim 7, wherein the bluetooth IC display driver interface is directly connected to the display module or connected to the display module through a display module driver chip and draws power from the display module power supply circuit.
9. The portable power source display panel of claim 7, wherein the Bluetooth IC performs data interaction with an application program on an external mobile terminal through Bluetooth wireless communication, and the mobile terminal application comprises the following functional modules: The cloud server can push a directional message to a specified user based on the binding relationship, wherein the directional message comprises a product recall notification, a safety early warning prompt or a firmware update prompt; the OTA upgrade module is used for receiving a firmware upgrade package issued by the cloud server and transmitting the firmware upgrade package to the Bluetooth IC through a Bluetooth link; The mobile terminal application transmits the instruction to the Bluetooth IC through Bluetooth, the Bluetooth IC sends a battery core locking instruction to the BMS, and the charging and discharging functions of part or all battery cores are selectively disabled through controlling the power switch device.
10. The display panel of claim 7, wherein an electrical connection interface, a physical connector, a pin count, and an electrical signal definition between the display panel and the battery management system are the same as corresponding interfaces of a display panel configured by the mobile power supply without integrating the bluetooth IC function.

Description

Information processing method of mobile power supply and display panel of mobile power supply Technical Field The invention relates to the technical field of electric energy storage, in particular to an information processing method of a mobile power supply and a display panel of the mobile power supply. Background With the increasing demand of safety of portable power products, the functions of real-time monitoring, storing and wireless reading of abnormal information by external devices (such as mobile phones) are clearly specified. At present, against the forced requirement of wireless readable abnormal information, the shaped product falls into the dilemma that if the independent Bluetooth module is additionally arranged in the traditional scheme, the main board must be redesigned, the shell mould must be modified, the wiring harness must be adjusted, the modification cost is up to millions of yuan, and the period is long. Even if the Bluetooth module is forcibly added, the discrete architecture necessarily forms two independent data processing links of the display chip and the Bluetooth chip, the same battery data are respectively processed by the two chips, and the two sets of logic are respectively read, so that the number of electric quantity grids seen by the naked eyes of a user is inconsistent with the percentage value read by the mobile phone APP. In the battery abnormal critical state, such information conflict may directly mislead the user to miss the safety disposal opportunity, and the catastrophic potential safety hazard is buried. The MCU capability of the display chip is idle, the Bluetooth module is repeatedly provided with an independent MCU, the hardware resource is idle but no function coordination is formed, and the multi-source data conflict and the high transformation cost which are originally pointed out from the framework become the problem of restricting the industry security upgrading. Disclosure of Invention The invention mainly aims to provide an information processing method of a mobile power supply and a display panel of the mobile power supply, and aims to solve the technical problem that how to enable core safety monitoring data of the mobile power supply to meet the requirements of the latest mandatory wireless readable specifications of the country with the lowest cost and the shortest period on the premise of not changing the physical structure (mobile power supply shell, internal layout and connecting wire harness) of the fixed and mass-produced mobile power supply. In order to achieve the above object, the present invention provides an information processing method of a portable power source, the method being performed by a bluetooth IC provided on a display panel of the portable power source, the bluetooth IC being connected to a battery management system through a communication signal line between the display panel and the battery management system, the method comprising: s10, acquiring battery state data from a battery management system through a communication signal line; s20, processing the battery state data to generate display information, and driving a display module to display; s30, carrying out safety monitoring and processing on the battery state data, and sending information through Bluetooth wireless communication based on the processing result. S11, the Bluetooth IC is powered on and completes the initialization configuration of the communication interface; S12, the Bluetooth IC is used as a host device to initiate communication, establishes connection with a BMS used as a slave device and completes protocol handshake; S13, sending a data request instruction to the BMS, receiving a data packet returned by the BMS, and performing integrity check and caching; S14, analyzing the data packet according to a preset communication protocol and extracting key battery state parameters; s15, multiplying the extracted original value by a calibration coefficient to convert the original value into an engineering value. S21, analyzing key information for display from the acquired and verified data packet; s22, driving data required by the display module is generated according to a preset mapping relation and display logic; s23, outputting display data to a display module, wherein the output comprises direct driving through GPIO analog communication time sequence or indirect driving through sending data to a display driving chip through a standard communication interface; and S24, periodically updating the content of the display module based on the refresh rate of the data update synchronization. Further, the step S30 includes the steps of performing safety monitoring and processing on the battery state data and sending information through Bluetooth wireless communication based on the processing result, and the method includes the steps of monitoring the battery state data, judging whether the battery state data meets preset abnormal conditions, storing abnormal inform