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CN-121995229-A - Battery cold joint detection method and device, terminal equipment and storage medium

CN121995229ACN 121995229 ACN121995229 ACN 121995229ACN-121995229-A

Abstract

The application discloses a method, a device, terminal equipment and a storage medium for detecting the false welding of a battery, wherein the method comprises the steps of obtaining target electric quantity data and target full-charge state information of the battery in the charging process; and determining that the battery is in a tab cold welding state under the condition that the target electric quantity data accords with the first condition and the target full electric state information accords with the second condition. The method can confirm that the battery is in the tab cold joint state when the target electric quantity data and the target full electric state information simultaneously accord with the corresponding preset conditions, avoids the complexity and inconvenience of disassembling equipment or relying on professional equipment in the traditional method, improves the detection convenience, and greatly reduces the detection cost and time.

Inventors

  • ZHANG KAIYING

Assignees

  • 深圳市TCL云创科技有限公司

Dates

Publication Date
20260508
Application Date
20260210

Claims (10)

  1. 1. A method for detecting a battery cold joint, comprising: Acquiring target electric quantity data and target full-charge state information of a battery in a charging process; determining whether the target electric quantity data accords with a first condition and whether the target full-power state information accords with a second condition; And under the condition that the target electric quantity data accords with a first condition and the target full-charge state information accords with a second condition, determining that the battery is in a tab cold joint state.
  2. 2. The method of claim 1, wherein determining whether the target power data meets a first condition comprises: Determining that the target electric quantity data meets the first condition under the condition that the target electric quantity data is lower than or equal to a first threshold value; And determining that the target electric quantity data does not meet the first condition under the condition that the target electric quantity data is higher than the first threshold value.
  3. 3. The battery cold joint detection method according to claim 2, wherein the first threshold is determined by: acquiring first charging data of a first sample battery and second charging data of a second sample battery, wherein the first sample battery is in a tab cold joint state, and the second sample battery is in a normal working state; And comparing and analyzing the first charging data and the second charging data to determine the first threshold.
  4. 4. The method of claim 3, wherein the first charge data includes first charge data and first full state information, the second charge data includes second charge data and second full state information, The comparing the first charging data with the second charging data to determine the first threshold includes: In the first charging data, determining that charging data corresponding to the first full-power state information is first sample data when the first full-power state information is first state information; in the second charging data, determining that charging data corresponding to the second full-power state information is first state information is second sample data; And comparing and analyzing the first sample data and the second sample data to determine the first threshold value.
  5. 5. The method of claim 4, wherein comparing the first sample data and the second sample data to determine the first threshold comprises: Determining a maximum value in the first sample data and a minimum value in the second sample data; The first threshold is determined in a value between the maximum value and the minimum value.
  6. 6. The battery cold joint detection method according to claim 1, wherein determining whether the target full state information meets a second condition comprises: Determining that the target full-charge state information meets the second condition under the condition that the target full-charge state information is first state information, wherein the first state information represents that the battery is in a full-charge state; And under the condition that the target full-power state information is second state information, determining that the target full-power state information does not meet the second condition, wherein the second state information represents that the battery is not in a full-power state.
  7. 7. The method for detecting the cold cathode fluorescent lamp according to claim 1, further comprising displaying cold cathode fluorescent lamp information after determining that the battery is in the cold cathode fluorescent lamp state, wherein the cold cathode fluorescent lamp information is used for prompting a use object of the battery, and/or marking that the battery is in the cold cathode fluorescent lamp state.
  8. 8. A battery cold joint detection device, comprising: The acquisition module is used for acquiring target electric quantity data and target full-charge state information of the battery in the charging process; The first determining module is used for determining whether the target electric quantity data accords with a first condition and whether the target full-power state information accords with a second condition; And the second determining module is used for determining that the battery is in the tab cold joint state under the condition that the target electric quantity data accords with the first condition and the target full electric state information accords with the second condition.
  9. 9. A terminal device characterized in that it comprises one or more processors, a memory and one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the battery cold welding detection method of any of claims 1 to 7.
  10. 10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program is loaded by a processor to perform the steps in the battery cold solder joint detection method according to any one of claims 1 to 7.

Description

Battery cold joint detection method and device, terminal equipment and storage medium Technical Field The application relates to the technical field of batteries, in particular to a battery cold joint detection method, a device, terminal equipment and a storage medium. Background The battery is a key component of the terminal device, however, due to the integrated design of the battery and the main board, the physical state of the battery cannot be directly detected by conventional means. Particularly for the detection of the battery tab cold joint, the traditional method needs to disassemble equipment, and the situation of whether the battery cold joint exists or not can be determined by infrared irradiation or sending the battery to a professional battery factory for instrument detection. These methods are not only cumbersome to operate, but also inefficient and may introduce equipment damage or additional expense. Disclosure of Invention The embodiment of the application provides a battery cold welding detection method, a device, a terminal device and a storage medium, which can confirm that a battery is in a tab cold welding state when target electric quantity data and target full electric state information simultaneously accord with corresponding preset conditions, thereby avoiding the complexity and inconvenience of disassembling equipment or relying on professional equipment in the traditional method, improving the detection convenience and greatly reducing the detection cost and time. The technical scheme adopted by the invention for solving the problems is as follows: in one aspect, the present application provides a method for detecting a battery cold joint, including: Acquiring target electric quantity data and target full-charge state information of a battery in a charging process; determining whether the target electric quantity data accords with a first condition and whether the target full-power state information accords with a second condition; And under the condition that the target electric quantity data accords with the first condition and the target full-charge state information accords with the second condition, determining that the battery is in the tab cold joint state. In some embodiments of the present application, determining whether the target power data meets a first condition comprises: Under the condition that the target electric quantity data is lower than or equal to a first threshold value, determining that the target electric quantity data meets a first condition; And under the condition that the target electric quantity data is higher than the first threshold value, determining that the target electric quantity data does not meet the first condition. In some embodiments of the application, the first threshold is determined by: Acquiring first charging data of a first sample battery and second charging data of a second sample battery, wherein the first sample battery is in a tab cold joint state, and the second sample battery is in a normal working state; And comparing and analyzing the first charging data and the second charging data to determine a first threshold value. In some embodiments of the application, the first charge data includes first charge amount data and first full state information, the second charge data includes second charge amount data and second full state information, Comparing the first charging data with the second charging data, determining a first threshold value, comprising: In the first charging data, determining that the corresponding charging data is first sample data when the first full state information is first state information; in the second charging data, determining that the charging data corresponding to the second full-power state information is the first state information is second sample data; and comparing and analyzing the first sample data and the second sample data to determine a first threshold value. In some embodiments of the application, comparing the first sample data to the second sample data to determine a first threshold value comprises: Determining a maximum value in the first sample data and a minimum value in the second sample data; The first threshold is determined in a value between the maximum value and the minimum value. In some embodiments of the application, determining whether the target full state information meets a second condition comprises: under the condition that the target full-charge state information is first state information, determining that the target full-charge state information accords with a second condition, wherein the first state information represents that the battery is in a full-charge state; And under the condition that the target full-charge state information is the second state information, determining that the target full-charge state information does not meet the second condition, wherein the second state information represents that the battery is not in the full-charge state. In so