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Fault detection method, device, terminal equipment and medium of multi-circuit energy storage equipment

A technology for energy storage equipment and fault detection, which is applied to measurement devices, electricity measurement, and measurement of electrical variables. To achieve the effect of ensuring safety and improving experience

Active Publication Date: 2021-11-30
SHANGHAI AOWEI TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in some special cases, such as charging through a pantograph or in an environment where wireless communication is susceptible to interference, there is no communication line or the wireless communication cannot be performed normally, so it is impossible to detect the fault of the multi-circuit energy storage device

Method used

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  • Fault detection method, device, terminal equipment and medium of multi-circuit energy storage equipment
  • Fault detection method, device, terminal equipment and medium of multi-circuit energy storage equipment
  • Fault detection method, device, terminal equipment and medium of multi-circuit energy storage equipment

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Embodiment 1

[0027] figure 1 It is a schematic flowchart of a fault detection method for a multi-circuit energy storage device provided in Embodiment 1 of the present invention. This method is applicable to the detection of a fault in a multi-circuit energy storage device. The fault detection device is implemented, wherein the device can be implemented by software and / or hardware, and is generally integrated on the terminal equipment. In this embodiment, the terminal equipment includes but is not limited to: charging equipment such as charging piles and pantographs.

[0028] The fault detection method for multi-circuit energy storage equipment in this embodiment can be considered to belong to the technical field of fault detection, or it can also be considered to belong to the field of new energy storage systems, such as the field of high-power fast charging and discharging equipment, especially suitable for multi-circuit Fault judgment is performed when the supercapacitor energy storage s...

Embodiment 2

[0052] figure 2 It is a schematic flowchart of a fault detection method for a multi-circuit energy storage device provided by Embodiment 2 of the present invention. This Embodiment 2 is optimized on the basis of the foregoing embodiments. In this embodiment, the state parameters are further specified as: charging voltage, charging current and charging time. Correspondingly, according to the state parameters and the reference voltage ranges included in the pre-stored fault database, determining the voltage range and capacity information of the multi-circuit energy storage device includes: selecting 2n+ 1 effective charging voltage, wherein, n is a positive integer; according to each of the effective charging voltages and each reference voltage interval included in the fault database, determine the voltage interval of the multi-circuit energy storage device; determine each of the effective charging voltages The minimum charging voltage and the maximum charging voltage in the v...

Embodiment 3

[0139] image 3 It is a schematic flowchart of a fault detection method for a multi-circuit energy storage device provided by Embodiment 3 of the present invention; this Embodiment 3 is optimized on the basis of the above-mentioned embodiments. In this embodiment, the state parameters are further optimized to include: ambient temperature; correspondingly, the voltage of the multi-circuit energy storage device is determined according to each of the effective charging voltages and each reference voltage interval included in the fault database The interval includes: selecting a target database from the fault database according to the ambient temperature; determining the voltage interval of the multi-circuit energy storage device according to each of the effective charging voltages and each reference voltage interval included in the target database; The step of searching the fault database according to the voltage interval and capacity information, and determining the fault inform...

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Abstract

The invention discloses a fault detection method, device, terminal equipment and medium of multi-circuit energy storage equipment. The method includes: obtaining the state parameters of the multi-circuit energy storage device in the charging phase; determining the voltage range and capacity information of the multi-circuit energy storage device according to the state parameters and the reference voltage ranges included in the pre-stored fault database ; searching the fault database according to the voltage range and capacity information, and determining the fault information of the multi-circuit energy storage device, the fault information including the number of fault circuits. Using this method, the fault information of the multi-circuit energy storage device can be determined through the obtained state parameters of the multi-circuit energy storage device in the charging phase and the pre-stored fault database, thereby realizing the detection of the fault condition of the multi-circuit energy storage device and improving the efficiency of the multi-circuit energy storage device. the user experience.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of fault detection, and in particular to a fault detection method, device, terminal device and medium of a multi-circuit energy storage device. Background technique [0002] With the development of science and technology, multi-circuit energy storage devices have been widely used. A multi-circuit energy storage device can be considered as an energy storage device formed by connecting multiple energy storage circuits in parallel. When the multi-circuit energy storage device is charging, it is connected to the charging pile through the power line. In addition, there are communication lines between the multi-circuit energy storage equipment and the charging pile. Among them, the power line is responsible for transmitting current, and the communication line is responsible for transmitting state information parameters, based on which state information parameters can determine the fault...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 黄廷立夏恒恒方文英索路路龚正大陈晓林姜琦茅国云
Owner SHANGHAI AOWEI TECH DEV
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