CN114441964B - Fault positioning method, device and medium in power supply process of storage system - Google Patents

Abstract

The application discloses a fault positioning method, a fault positioning device and a fault positioning medium in a power supply process of a storage system, and is applied to the field of batteries. Firstly, information of a storage system and a standby power module is acquired, wherein the information comprises at least one of the following information: BBU material information, BMS register state, system control signals, system software control information, external discharge information, internal discharge information and charging information; determining the fault reasons of the storage system and the standby power module corresponding to the information according to a preset rule; after the fault reason is determined, the position of the fault corresponding to the fault reason is located according to the preset rule, and then corresponding processing measures are taken according to the problems at different positions, so that the data loss of the storage system can be avoided. Wherein the location of the fault occurrence comprises at least one of: the system comprises a BBU, a BBU control module, a system controller, a charging link and a discharging link; the preset rule comprises the corresponding relation between each piece of information and each fault reason and the position of each fault.

Description

A fault location method, device and medium in the process of power supply of a storage system

technical field

The present application relates to the field of batteries, and in particular, to a method, device and medium for locating faults in a power supply process of a storage system.

Background technique

In the era of big data, higher requirements are placed on the reliability and intelligent control of the storage system, especially the power supply stability of the storage system. Under normal circumstances, the storage system is powered by the power supply. When the power supply fails, it will switch to The backup power module supplies power. Therefore, it is very important to ensure the normal operation of the backup power module. The backup power module consists of a Backup Battery Unit (BBU) and a BBU control module. Normally, in order to manage the backup power module, the BBU of the backup power module is equipped with a battery management system (Battery Management System, BMS). Its main function is to intelligently manage and maintain each battery unit of the backup power module, preventing battery Overcharge and overdischarge occur, prolong battery life, monitor battery status. Figure 1 is a schematic diagram of the structure of a storage system power supply. As shown in Figure 1, in this structure: the backup power module is composed of a BBU10 and a BBU control module 11, which is used to supply power to the storage system 12. The BBU10, the BBU control module 11 and the storage The systems 12 are connected through a charging link and a discharging link, and the storage system 12 further includes a system controller.

As mentioned above, the storage system requires multiple devices to participate in the power supply process. At present, when a problem occurs when the storage system uses the backup power module to supply power, the location of the problem cannot be located, and corresponding measures cannot be taken for the problems in different locations. . As a result, the hidden dangers of the storage system cannot be solved in time, and the storage system may lose data.

It can be seen that how to locate the location where the storage system fails is an urgent problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a fault location method, device and medium during the power supply process of a storage system, so as to locate a fault location in the storage system.

In order to solve the above-mentioned technical problems, the present application provides a fault location method during the power supply process of a storage system, including:

Acquiring information of the storage system and the backup power module, the information includes at least one of the following: BBU material information, BMS register status, system control signals, system software control information, external discharge information, internal discharge information, and charging information;

Determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule;

The location of the fault corresponding to the cause of the fault is located according to the preset rule, and the location of the fault includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link; wherein, the The preset rule includes the corresponding relationship between each of the information, each of the fault causes, and the location where each fault occurs.

Preferably, the BBU material information includes at least one of the following: BBU model, BBU supplier information, BBU shelf life, and BBU cell parameters;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the BBU material information includes the BBU model, determine whether the BBU model is qualified according to the BBU model;

If the BBU material information includes the BBU supplier information, determine whether the BBU supplier information is illegal according to the BBU supplier information;

If the BBU material information includes the BBU shelf life, determine whether the BBU exceeds the shelf life according to the BBU shelf life;

If the BBU material information includes the BBU cell parameters, determine whether the BBU cell parameters are wrong according to the BBU cell parameters;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the BBU material information involves at least one of the following failure causes, the location where the failure occurs is located as the BBU; wherein, the failure causes involved in the BBU material information include: the BBU model is unqualified, The BBU supplier information is illegal, the BBU has exceeded the shelf life, and the parameters of the BBU battery cells are wrong.

Preferably, the BMS register state includes at least one of the following: BBU undervoltage register state, BBU overvoltage register state, BBU cell unbalance register state, BBU temperature exception register state, system in-position control signal register state, BBU charge register state Discharge MOS register status;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the BMS register state includes the BBU undervoltage register state, determine whether the BBU is undervoltage according to the BBU undervoltage register state;

If the BMS register state includes the BBU overvoltage register state, determine whether the BBU is overvoltage according to the BBU overvoltage register state;

If the state of the BMS register includes the state of the BBU cell unbalance register, determine whether the BBU cell is damaged or unbalanced according to the state of the BBU cell unbalance register;

If the BMS register state includes the BBU temperature abnormality register state, determine whether the system heat dissipation control signal is abnormal according to the BBU temperature abnormality register state;

If the state of the BMS register includes the state of the system in-position control signal register, then determine whether the system in-position control signal is abnormal according to the state of the system in-position control signal register;

If the state of the BMS register includes the state of the BBU charge and discharge MOS register, determine whether the BBU is undervoltage, whether the BBU is overvoltage, and whether the BBU cell is damaged or not according to the state of the BBU charge and discharge MOS register Balance, whether the BBU is over-charged, whether the BBU is over-discharged, and whether the load of the storage system is short-circuited;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the BBU; wherein the fault causes involved in the BMS register status include: the BBU undervoltage, the The BBU is overvoltage, the BBU cell is damaged or unbalanced;

If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the system controller; wherein the fault causes involved in the BMS register status include: abnormal system heat dissipation control signals . The system in-position control signal is abnormal;

If the BMS register state involves the following fault causes, the location where the fault occurs is located as the charging link; wherein the fault causes involved in the BMS register state include: the BBU charging overcurrent;

If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the discharge link; wherein the fault causes involved in the BMS register status include: the BBU is over-discharged stream, the load of the storage system is short-circuited.

Preferably, the system control signal includes at least one of the following: level and signal quality information of the system control signal;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the system control signal includes the level and signal quality information of the system control signal, then according to the level of the system control signal, determine whether the level of the system control signal has rising edge ringing or falling edge ringing. Whether there is an abnormality, and determine whether the signal quality information is abnormal according to the signal quality information;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the system control signal involves the following fault causes, the location where the fault occurs is located as any one or more of the charging link, the discharging link, and the system controller; wherein, all The causes of the failure related to the system control signal include: abnormality in the rising edge ringing and falling edge ringing of the level of the system control signal, and abnormality in the signal quality information.

Preferably, the system software control information includes at least one of the following: SMBUS communication, software setting conditions;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the system software control information includes the SMBUS communication and/or the software setting conditions, determine whether the system software control has loopholes, communication links or not according to the SMBUS communication and/or the software setting conditions Is it abnormal;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the system software control information involves at least one of the following failure causes, the location where the failure occurs is located as the system controller; wherein the failure causes involved in the system software control information include: system software control There are loopholes and abnormal communication links.

Preferably, the external discharge information includes at least one of the following: the input voltage of the storage system, the input current of the storage system, the output voltage of the BBU control module, the input voltage of the BBU control module, the The output current of the BBU control module, the discharge enable signal of the BBU control module, and the output voltage of the BBU;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the external discharge information includes the input voltage of the storage system, determining whether the input voltage of the storage system is abnormal according to the input voltage of the storage system;

If the external discharge information includes the input current of the storage system, determining whether the input current of the storage system is abnormal according to the input current of the storage system;

If the external discharge information includes the output voltage of the BBU control module, determine whether the output voltage of the BBU control module is abnormal according to the output voltage of the BBU control module;

If the external discharge information includes the input voltage of the BBU control module, determine whether the input voltage of the BBU control module is abnormal according to the input voltage of the BBU control module;

If the external discharge information includes the output current of the BBU control module, determine whether the output current of the BBU control module is abnormal according to the output current of the BBU control module;

If the external discharge information includes the discharge enable signal of the BBU control module, determine whether the discharge enable signal of the BBU control module is abnormal according to the discharge enable signal of the BBU control module;

If the external discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the input voltage of the storage system is normal and the input current of the storage system is abnormal, the location where the fault occurs is located as the discharge link;

If the input voltage of the storage system is abnormal and the output voltage of the BBU control module is normal, it is determined that the location where the fault occurs is the discharge link between the BBU control module and the storage system;

If the input voltage of the BBU control module is normal, the output voltage of the BBU control module is abnormal, the output current of the BBU control module has no protection record, and the discharge enable signal of the BBU control module is normal, the fault is located The position that appears is the discharge module in the BBU control module;

If the input voltage of the BBU control module is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link between the BBU and the BBU control module;

The internal discharge information includes at least one of the following: internal discharge input voltage, output voltage of the BBU, and internal discharge current;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the internal discharge information includes the internal discharge input voltage, determining whether the internal discharge input voltage is abnormal according to the internal discharge input voltage;

If the internal discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU;

If the internal discharge information includes the internal discharge current, determining whether the internal discharge current is abnormal according to the internal discharge current;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the internal discharge input voltage is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link inside the BBU control module;

If the internal discharge current is abnormal, it is determined that the location where the fault occurs is the discharge module in the BBU control module.

Preferably, the charging information includes at least one of the following: the charging voltage of the BBU, the charging current of the BBU, the charging input voltage of the BBU, the charging input current of the BBU, and the charging output voltage of the BBU ;

The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes:

If the charging information includes the output voltage of the BBU, determine whether the charging voltage of the BBU is abnormal according to the charging voltage of the BBU;

If the charging information includes the charging voltage of the BBU, determine whether the charging current of the BBU is abnormal according to the charging current of the BBU;

If the charging information includes the charging input voltage of the BBU, determining whether the charging input voltage of the BBU is abnormal according to the charging input voltage of the BBU;

If the charging information includes the charging input current of the BBU, determine whether the charging input current of the BBU is abnormal according to the charging input current of the BBU;

If the charging information includes the charging output voltage of the BBU, determining whether the charging input module of the storage system is abnormal according to the charging output voltage of the BBU;

The locating the location of the fault corresponding to the fault cause according to the preset rule includes:

If the charging information relates to at least one of the following fault causes, it is determined that the location where the fault occurs is the charging module in the BBU control module; wherein the fault causes related to the charging information include: the BBU The charging voltage of the BBU is normal and the charging current of the BBU is abnormal, the charging input voltage of the BBU is abnormal and the charging input current of the BBU is abnormal, the charging input voltage of the BBU is normal and the charging output voltage of the BBU is abnormal;

If the charging information relates to the following fault causes, the location where the fault occurs is located as the charging link in the storage system; wherein the fault causes related to the charging information include: the storage system The charging input module is abnormal.

Preferably, the obtaining the information of the storage system and the backup power module includes:

obtaining the information every preset time;

The method also includes:

Evaluate the performance of the backup power module according to the cause of the failure and the location of the failure;

According to the evaluation result, it is judged whether the backup power module has the power supply capability.

In order to solve the above technical problems, the present application also provides a fault location device during the power supply process of the storage system, including:

The acquisition module is used to acquire the information of the storage system and the backup power module, the information includes at least one of the following: BBU material information, BMS register status, system control signal, system software control information, external discharge information, internal discharge information , charging information;

a determination module, configured to determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule;

A location module, configured to locate the location of the fault corresponding to the cause of the fault according to the preset rule, where the location of the fault includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link ; wherein, the preset rule includes the corresponding relationship between each of the information and each of the fault causes and the location where each fault occurs.

In order to solve the above technical problems, the present application also provides a fault location device during the power supply process of the storage system, including: a memory for storing a computer program;

The processor is configured to implement the steps of the above method for locating faults in the power supply process of the storage system when executing the computer program.

In order to solve the above technical problems, the present application also provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the fault location in the power supply process of the above-mentioned storage system is realized. steps of the method.

The method for locating faults in the power supply process of a storage system provided by the present application acquires information about the storage system and backup power modules, and the information includes at least one of the following: BBU material information, BMS register status, system control signals, system software control information, external Discharge information, internal discharge information, and charging information; determine the fault cause of the storage system and backup power module corresponding to the information according to preset rules; after determining the fault cause, locate the fault location corresponding to the fault cause according to the preset rules, and then Taking corresponding measures for problems in different locations can solve the hidden dangers of backup power modules in time and avoid data loss in the storage system. The location where the fault occurs includes at least one of the following: the BBU, the BBU control module, the system controller, the charging link, and the discharging link; the preset rules include the correspondence between each piece of information, each fault cause, and the location where each fault occurs.

The present application also provides a fault location device and a computer-readable storage medium during the power supply process of a storage system, which correspond to the above method and thus have the same beneficial effects as the above method.

Description of drawings

In order to describe the embodiments of the present application more clearly, the following will briefly introduce the drawings that are used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, which are not relevant to ordinary skills in the art. As far as personnel are concerned, other drawings can also be obtained from these drawings on the premise of no creative work.

1 is a schematic structural diagram of a storage system power supply;

FIG. 2 is a flowchart of a method for locating a fault in a power supply process of a storage system according to an embodiment of the present application;

3 is a structural diagram of a fault locating device during a power supply process of a storage system provided by an embodiment of the present application;

FIG. 4 is a structural diagram of an apparatus for locating a fault during a power supply process of a storage system according to another embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work fall within the protection scope of the present application.

The core of the present application is to provide a fault location method, device and medium during the power supply process of a storage system.

In order to make those skilled in the art better understand the solution of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

FIG. 2 is a flowchart of a method for locating a fault in a power supply process of a storage system according to an embodiment of the present application. As shown in FIG. 2 , the method includes the following steps:

S10: Acquire information about the storage system and the backup power module, the information including at least one of the following: BBU material information, BMS register status, system control signals, system software control information, external discharge information, internal discharge information, and charging information.

S11: Determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule.

S12: Locate the location of the fault corresponding to the cause of the fault according to a preset rule, and the location of the fault includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link; wherein, the preset rule includes Correspondence between each piece of information, the cause of each failure, and the location of each failure.

In the structure shown in Figure 1, the BBU, the BBU control module, and the storage system are connected through a charging link and a discharging link. When the storage system cannot use the power supply for power supply, it will switch to the backup power module for power supply. The BBU, the BBU control module, the storage system, and the charging link and discharging link used for connection may all fail. Therefore, it is necessary to find out these faults and perform fault maintenance on the entire system according to the location of the fault. The backup power capacity of the backup power module is gradually attenuated. Therefore, you can simulate the power supply switching process of the storage system at regular intervals to evaluate the backup power capacity of the backup power module to find out the hidden dangers in the system, so as to avoid the need for When the backup power module supplies power, if the backup power module fails and cannot supply power, an evaluation can generally be performed every three months. The specific evaluation process is to pre-set the corresponding relationship between each piece of information, the cause of each fault and the location of each fault, and then obtain the information of the storage system and the backup power module, and determine the relationship between the storage system and the backup power module corresponding to the information according to preset rules. The fault cause, and finally locate the fault location corresponding to the fault cause according to the preset rules. The information of the storage system and backup power module includes at least one of the following: BBU material information, BMS register status, system control signal, system software control information, external discharge information, internal discharge information, and charging information; the location of the fault includes the following At least one of: BBU, BBU control module, system controller, charging link, discharging link. In practical applications, the storage system collects BMS black box logs and BBU control module self-diagnosis logs, and the storage system intelligently analyzes and locates the collected logs to determine the location of the fault. The storage system also regularly monitors the system in-position signal status bit, discharge MOS status bit, and charge MOS status bit of 0x0054 Operation Status (status register) of the BMS; and cell imbalance to 0x0053 PF Status (permanent protection status register). The status bits are monitored in real time. If there is an abnormality, it will enter the power supply abnormality processing mode of the backup power module, start collecting BMS black box logs, and intelligently analyze the location of the fault to accurately locate the fault. In addition, the storage system will read the BBU voltage, cell voltage, BBU current, cell temperature, charge and discharge MOS surface temperature, etc. in real time. When these values are close to the BMS alarm threshold, alarm processing will be performed to find the hidden dangers of BBU in advance and avoid The storage system loses data and improves the power supply stability of the storage system. The BBU power supply link detection circuit can be used to monitor the voltage, current and power value of the power supply link, and the TI INA219A intelligent monitoring chip can be selected as the control chip of the BBU power supply link detection circuit. The BBU control module reads the voltage, current, and power values of the power supply link through a system management bus (System Management Bus, SMBUS) port as a basis for analysis and determination.

The method for locating faults during the power supply process of the storage system provided by the embodiments of the present application acquires information about the storage system and the backup power module, and the information includes at least one of the following: BBU material information, BMS register status, system control signals, and system software control information , external discharge information, internal discharge information, and charging information; determine the fault cause of the storage system and backup power module corresponding to the information according to preset rules; after determining the fault cause, locate the fault location corresponding to the fault cause according to the preset rules , and then take corresponding measures for the problems in different locations, which can solve the hidden dangers of the backup power module in time and avoid the loss of data in the storage system. The location where the fault occurs includes at least one of the following: the BBU, the BBU control module, the system controller, the charging link, and the discharging link; the preset rules include the correspondence between each piece of information, each fault cause, and the location where each fault occurs.

The BBU material information in the foregoing embodiment includes at least one of the following: BBU model, BBU supplier information, BBU shelf life, and BBU cell parameters. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules include: if the BBU material information includes the BBU model, then determine whether the BBU model is qualified according to the BBU model; if the BBU material information includes the BBU supplier information, then Judging whether the BBU supplier information is illegal according to the BBU supplier information; if the BBU material information includes the BBU shelf life, judge whether the BBU exceeds the shelf life according to the BBU shelf life; if the BBU material information includes the BBU battery cell parameters, judge according to the BBU battery cell parameters Whether the parameters of the BBU battery cells are wrong. After determining the cause of the failure, locate the location of the failure corresponding to the cause of the failure according to the preset rules, specifically including: if the BBU material information involves at least one of the following failure causes, the location where the failure occurs is located as the BBU; among them, the BBU material The reasons for the failures involved in the information include: the BBU model is unqualified, the BBU supplier information is illegal, the BBU has exceeded the shelf life, and the BBU cell parameters are wrong.

In this embodiment of the application, the BBU material information is refined, and it is explained what kind of information is used to determine the cause of the failure, and the location of each failure cause is determined. Hazards of electrical modules.

The BMS register state in the above embodiment includes at least one of the following: BBU undervoltage register state, BBU overvoltage register state, BBU cell unbalance register state, BBU temperature abnormal register state, system in-position control signal register state, BBU charge register state. Discharge MOS register status. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules include: if the BMS register state includes the BBU undervoltage register state, then judge whether the BBU is undervoltage according to the BBU undervoltage register state; if the BMS register state includes the BBU Overvoltage register status, judge whether the BBU is overvoltage according to the BBU overvoltage register status; if the BMS register status includes the BBU cell unbalance register status, judge whether the BBU cell is damaged or unbalanced according to the BBU cell unbalance register status; If the state of the BMS register includes the state of the BBU temperature abnormality register, judge whether the system heat dissipation control signal is abnormal according to the state of the BBU temperature abnormality register; Whether the in-position control signal is abnormal; if the state of the BMS register includes the state of the BBU charge and discharge MOS register, judge whether the BBU is undervoltage, whether the BBU is overvoltage, whether the BBU cell is damaged or unbalanced, and whether the BBU is charged according to the state of the BBU charge and discharge MOS register. Overcurrent, whether the BBU is discharged and overcurrent, and whether the load of the storage system is short-circuited. After determining the cause of the failure, locate the location of the failure corresponding to the cause of the failure according to preset rules, specifically including: if the state of the BMS register involves at least one of the following causes of the failure, the location where the failure occurs is located as the BBU; wherein, the BMS register The fault causes involved in the status include: BBU undervoltage, BBU overvoltage, BBU cell damage or imbalance; if the BMS register status involves at least one of the following fault causes, the location where the fault occurs is the system controller; among them, the BMS The fault causes involved in the register status include: abnormal system heat dissipation control signal and abnormal system in-position control signal; if the BMS register status involves the following fault causes, the location where the fault occurs is the charging link; among them, the fault involved in the BMS register status The reasons include: BBU charging overcurrent; if the BMS register status involves at least one of the following fault causes, the location of the fault is located as the discharge link; among them, the fault causes involved in the BMS register status include: BBU discharge overcurrent, storage system load short circuit.

This embodiment of the present application refines the state of the BMS register, and explains which information is used to determine which fault cause, and the location of each fault cause is determined. Hazards of electrical modules.

The system control signal in the foregoing embodiment includes at least one of the following: level of the system control signal, and signal quality information. Determining the failure cause of the storage system and the backup power module corresponding to the information according to the preset rules includes: if the system control signal includes the level and signal quality information of the system control signal, the power level of the system control signal is determined according to the level of the system control signal. Whether there is any abnormality in the flat rising edge ringing and falling edge ringing, and judge whether the signal quality information is abnormal according to the signal quality information. After determining the cause of the fault, locate the location of the fault corresponding to the cause of the fault according to preset rules, specifically including: if the system control signal involves the following fault causes, locate the location of the fault as the charging link, the discharging link, the system Any one or more of the controllers; wherein, the causes of the faults involved in the system control signal include: abnormality in the rising edge ringing and falling edge ringing of the level of the system control signal, and abnormality in signal quality information. In addition, under normal circumstances, the typical value of the high level of the system control signal is 3.4V, and the minimum value is 2V; the maximum value of the low level is 0.8V, and the typical value is 0.2V. If it is detected that the low level of the system control signal is greater than 0.7V, or the high level is lower than 2.1V, it is determined that the system control signal is abnormal.

The embodiment of the present application refines the system control signal, and explains what information is used to determine what kind of failure cause, and the location that causes each failure cause is determined, and corresponding measures are taken for the problems at different locations, which can solve the problem in time. Hazards of electrical modules.

The system software control information in the above embodiment includes at least one of the following: SMBUS communication and software setting conditions. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules includes: if the system software control information includes SMBUS communication and/or software setting conditions, then determining the system software according to the SMBUS communication and/or software setting conditions Control whether there are loopholes and whether the communication link is abnormal. After determining the cause of the failure, locate the location of the failure corresponding to the cause of the failure according to preset rules, specifically including: if the system software control information involves at least one of the following causes of the failure, locating the location where the failure occurs is the system controller; wherein , the causes of the failures involved in the system software control information include: system software control loopholes and abnormal communication links.

The embodiment of the present application refines the system software control information, and explains what kind of information is used to determine what kind of failure cause, and the location that causes each failure cause is determined, and corresponding treatment measures are taken for the problems in different positions, which can be solved in time. The hidden danger of the backup power module.

The external discharge information in the above embodiment includes at least one of the following: the input voltage of the storage system, the input current of the storage system, the output voltage of the BBU control module, the input voltage of the BBU control module, the output current of the BBU control module, and the BBU control module. The discharge enable signal, the output voltage of the BBU. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules includes: if the external discharge information includes the input voltage of the storage system, judging whether the input voltage of the storage system is abnormal according to the input voltage of the storage system; if the external discharge information includes the input voltage of the storage system If the information includes the input current of the storage system, then judge whether the input current of the storage system is abnormal according to the input current of the storage system; if the external discharge information includes the output voltage of the BBU control module, then judge the output of the BBU control module according to the output voltage of the BBU control module Whether the voltage is abnormal; if the external discharge information includes the input voltage of the BBU control module, judge whether the input voltage of the BBU control module is abnormal according to the input voltage of the BBU control module; if the external discharge information includes the output current of the BBU control module, according to the BBU control module The output current of the module judges whether the output current of the BBU control module is abnormal; if the external discharge information includes the discharge enable signal of the BBU control module, judge whether the discharge enable signal of the BBU control module is abnormal according to the discharge enable signal of the BBU control module; If the external discharge information includes the output voltage of the BBU, it is determined whether the output voltage of the BBU is abnormal according to the output voltage of the BBU. After determining the cause of the fault, locate the location of the fault corresponding to the cause of the fault according to preset rules, specifically including: if the input voltage of the storage system is normal and the input current of the storage system is abnormal, the location where the fault occurs is located as the discharge link ;If the input voltage of the storage system is abnormal and the output voltage of the BBU control module is normal, the location where the fault occurs is the discharge link between the BBU control module and the storage system; if the input voltage of the BBU control module is normal, the BBU control module If the output voltage of the BBU control module is abnormal, the output current of the BBU control module has no protection record, and the discharge enable signal of the BBU control module is normal, the location where the fault occurs is the discharge module in the BBU control module; if the input voltage of the BBU control module is abnormal And the output voltage of the BBU is normal, the location of the fault is located as the discharge link between the BBU and the BBU control module;

The internal discharge information mentioned in the above embodiments includes at least one of the following: internal discharge input voltage, BBU output voltage, and internal discharge current. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules includes: if the internal discharge information includes the internal discharge input voltage, determining whether the internal discharge input voltage is abnormal according to the internal discharge input voltage; if the internal discharge information includes the BBU If the internal discharge information includes the internal discharge current, then judge whether the internal discharge current is abnormal according to the internal discharge current. After determining the cause of the fault, locate the location of the fault corresponding to the cause of the fault according to the preset rules, which specifically includes: if the internal discharge input voltage is abnormal and the output voltage of the BBU is normal, the location of the fault is located within the BBU control module. Discharge link; if the internal discharge current is abnormal, the location where the fault occurs is the discharge module in the BBU control module. In addition, when the output voltage of the BBU is abnormal, the state of the charge and discharge MOS register of the BBU can be obtained to find out the corresponding failure cause.

This embodiment of the present application refines the external discharge information and the internal discharge information, and explains what kind of information is used to determine what kind of failure cause, and the location that causes each kind of failure cause is determined, and corresponding treatment measures are taken for the problems in different locations, The hidden danger of the backup power module can be solved in time.

The charging information in the above embodiment includes at least one of the following: charging voltage of BBU, charging current of BBU, charging input voltage of BBU, charging input current of BBU, and charging output voltage of BBU. Determining the failure causes of the storage system and the backup power module corresponding to the information according to the preset rules includes: if the charging information includes the output voltage of the BBU, determining whether the charging voltage of the BBU is abnormal according to the charging voltage of the BBU; if the charging information includes the charging voltage of the BBU If the charging information includes the charging input voltage of the BBU, then determine whether the charging input voltage of the BBU is abnormal according to the charging input voltage of the BBU; if the charging information includes the charging input voltage of the BBU If the charging information includes the charging output voltage of the BBU, determine whether the charging input module of the storage system is abnormal according to the charging output voltage of the BBU. After determining the cause of the failure, locate the location of the failure corresponding to the cause of the failure according to preset rules, which specifically includes: if the charging information involves at least one of the following failure causes, locating the location of the failure is the charging module in the BBU control module ; Wherein, the fault causes involved in the charging information include: the charging voltage of the BBU is normal and the charging current of the BBU is abnormal, the charging input voltage of the BBU is abnormal and the charging input current of the BBU is abnormal, the charging input voltage of the BBU is normal and the charging output voltage of the BBU is abnormal ; If the charging information involves the following fault causes, the location where the fault occurs is located as the charging link in the storage system; wherein, the fault causes involved in the charging information include: the charging input module of the storage system is abnormal.

The embodiment of the present application refines the charging information, explains what kind of information is used to determine what kind of failure causes, and determines the location of each kind of failure cause, and takes corresponding treatment measures for the problems in different locations, so that the backup power can be solved in time. hidden dangers of modules.

The above embodiment does not limit when to obtain the information of the storage system and the backup power module, and the specific implementation may be to obtain the information every preset time; the method further includes: according to the cause of the fault and the location where the fault occurs, the performance of the backup power module is performed. Evaluate. The backup power capacity of the backup power module is gradually attenuated. Therefore, the power supply switching process of the storage system can be simulated at regular intervals, that is, to simulate the normal power supply switching from the power supply to the backup power module for power supply, so as to realize the backup of the backup power module. The power capacity is evaluated to find out the hidden dangers in the system. According to the evaluation results, it can be judged whether the backup power module has the power supply capacity. Generally, it can be set to be evaluated every three months. The solution provided by the embodiment of the present application is set to periodically obtain information and evaluate the performance of the backup power module, which can avoid the situation that the backup power module fails to supply power when the backup power module is required to supply power.

In the above embodiments, the method for locating faults in the process of power supply of the storage system is described in detail, and the present application also provides embodiments corresponding to the device for locating faults in the process of power supply of the storage system. It should be noted that this application describes the embodiments of the device part from two perspectives, one is based on the perspective of functional modules, and the other is based on the perspective of hardware.

From the perspective of functional modules, this embodiment provides a fault locating device during the power supply process of the storage system. FIG. 3 is a structural diagram of the fault locating device during the power supply process of the storage system provided by the embodiment of the present application, as shown in FIG. 3 , The device includes:

The acquisition module 13 is used to acquire information of the storage system and the backup power module, the information includes at least one of the following: BBU material information, BMS register status, system control signal, system software control information, external discharge information, internal discharge information, and charging information ;

A determination module 14, configured to determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule;

The locating module 15 is configured to locate the location where the fault occurs corresponding to the cause of the fault according to the preset rule, and the location where the fault occurs includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link; wherein, The preset rules include the correspondence between each piece of information, the cause of each fault, and the location where each fault occurs.

Since the embodiment of the apparatus part corresponds to the embodiment of the method part, for the embodiment of the apparatus part, please refer to the description of the embodiment of the method part, which will not be repeated here.

The device for locating a fault during the power supply process of the storage system provided in this embodiment corresponds to the above method, and thus has the same beneficial effects as the above method.

From the perspective of hardware, this embodiment provides another fault locating device during the power supply process of the storage system. FIG. 4 is a structural diagram of the fault locating device during the power supply process of the storage system provided by another embodiment of the application, as shown in FIG. 4 . As shown, the device for locating faults during the power supply process of the storage system includes: a memory 20 for storing computer programs;

The processor 21 is configured to implement the steps of the method for locating faults in the power supply process of the storage system as mentioned in the foregoing embodiments when executing the computer program.

The device for locating the fault during the power supply process of the storage system provided in this embodiment may include, but is not limited to, a smart phone, a tablet computer, a notebook computer, or a desktop computer.

The processor 21 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 21 may use at least one hardware form of a digital signal processor (Digital Signal Processor, DSP), a Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), and a Programmable Logic Array (Programmable Logic Array, PLA). accomplish. The processor 21 may also include a main processor and a coprocessor. The main processor is a processor used to process data in the wake-up state, also called a central processing unit (CPU); A low-power processor for processing data in a standby state. In some embodiments, the processor 21 may be integrated with a graphics processor (Graphics Processing Unit, GPU), and the GPU is used for rendering and drawing the content that needs to be displayed on the display screen. In some embodiments, the processor 21 may further include an artificial intelligence (Artificial Intelligence, AI) processor for processing computing operations related to machine learning.

Memory 20 may include one or more computer-readable storage media, which may be non-transitory. Memory 20 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash storage devices. In this embodiment, the memory 20 is at least used to store the following computer program 201 , where, after the computer program is loaded and executed by the processor 21 , it can implement the related aspects of the method for locating faults in the power supply process of the storage system disclosed in any of the foregoing embodiments. step. In addition, the resources stored in the memory 20 may also include an operating system 202, data 203, etc., and the storage mode may be short-term storage or permanent storage. The operating system 202 may include Windows, Unix, Linux, and the like. The data 203 may include, but is not limited to, the data involved in the fault location method during the power supply process of the storage system, and the like.

In some embodiments, the fault location device during the power supply process of the storage system may further include a display screen 22 , an input and output interface 23 , a communication interface 24 , a power supply 25 and a communication bus 26 .

Those skilled in the art can understand that the structures shown in the figures do not constitute a limitation on the fault locating device during the power supply process of the storage system, and may include more or less components than those shown in the drawings.

The device for locating faults during power supply of a storage system provided by the embodiments of the present application includes a memory and a processor. When the processor executes a program stored in the memory, the processor can implement the following method: a method for locating faults during power supply of a storage system.

The device for locating a fault during the power supply process of the storage system provided in this embodiment corresponds to the above method, and thus has the same beneficial effects as the above method.

Finally, the present application also provides an embodiment corresponding to a computer-readable storage medium. A computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor, the steps described in the foregoing method embodiments are implemented.

It can be understood that, if the methods in the above embodiments are implemented in the form of software functional units and sold or used as independent products, they may be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, and the computer software products are stored in a storage medium , execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

The computer-readable storage medium provided in this embodiment corresponds to the above method, and thus has the same beneficial effects as the above method.

The method, device, and medium for locating a fault in a power supply process of a storage system provided by the present application are described above in detail. The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can also be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is no such actual relationship or sequence between operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the above-described element.

Claims (5)

1. A fault location method in a storage system power supply process, characterized in that, comprising: Acquiring information of the storage system and the backup power module, the information includes at least one of the following: BBU material information, BMS register status, system control signals, system software control information, external discharge information, internal discharge information, and charging information; Determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule; The location of the fault corresponding to the cause of the fault is located according to the preset rule, and the location of the fault includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link; wherein, the The preset rule includes the corresponding relationship between each of the information and each of the fault causes and the location where each fault occurs; The BBU material information includes at least one of the following: BBU model, BBU supplier information, BBU shelf life, and BBU cell parameters; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the BBU material information includes the BBU model, determine whether the BBU model is qualified according to the BBU model; If the BBU material information includes the BBU supplier information, determine whether the BBU supplier information is illegal according to the BBU supplier information; If the BBU material information includes the BBU shelf life, determine whether the BBU exceeds the shelf life according to the BBU shelf life; If the BBU material information includes the BBU cell parameters, determine whether the BBU cell parameters are wrong according to the BBU cell parameters; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the BBU material information involves at least one of the following failure causes, the location where the failure occurs is located as the BBU; wherein, the failure causes involved in the BBU material information include: the BBU model is unqualified, The BBU supplier information is illegal, the BBU has exceeded the shelf life, and the parameters of the BBU battery cells are wrong; The BMS register state includes at least one of the following: BBU undervoltage register state, BBU overvoltage register state, BBU cell unbalance register state, BBU temperature exception register state, system in-position control signal register state, BBU charge and discharge MOS register state; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the BMS register state includes the BBU undervoltage register state, determine whether the BBU is undervoltage according to the BBU undervoltage register state; If the BMS register state includes the BBU overvoltage register state, determine whether the BBU is overvoltage according to the BBU overvoltage register state; If the state of the BMS register includes the state of the BBU cell unbalance register, determine whether the BBU cell is damaged or unbalanced according to the state of the BBU cell unbalance register; If the BMS register state includes the BBU temperature abnormality register state, determine whether the system heat dissipation control signal is abnormal according to the BBU temperature abnormality register state; If the state of the BMS register includes the state of the system in-position control signal register, then determine whether the system in-position control signal is abnormal according to the state of the system in-position control signal register; If the state of the BMS register includes the state of the BBU charge and discharge MOS register, determine whether the BBU is undervoltage, whether the BBU is overvoltage, and whether the BBU cell is damaged or not according to the state of the BBU charge and discharge MOS register Balance, whether the BBU is over-charged, whether the BBU is over-discharged, and whether the load of the storage system is short-circuited; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the BBU; wherein the fault causes involved in the BMS register status include: the BBU undervoltage, the The BBU is overvoltage, the BBU cell is damaged or unbalanced; If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the system controller; wherein the fault causes involved in the BMS register status include: abnormal system heat dissipation control signals . The system in-position control signal is abnormal; If the BMS register state involves the following fault causes, the location where the fault occurs is located as the charging link; wherein the fault causes involved in the BMS register state include: the BBU charging overcurrent; If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the discharge link; wherein the fault causes involved in the BMS register status include: the BBU is over-discharged flow, the load of the storage system is short-circuited; The system control signal includes at least one of the following: level and signal quality information of the system control signal; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the system control signal includes the level and signal quality information of the system control signal, then according to the level of the system control signal, determine whether the level of the system control signal has rising edge ringing or falling edge ringing. Whether there is an abnormality, and determine whether the signal quality information is abnormal according to the signal quality information; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the system control signal involves the following fault causes, the location where the fault occurs is located as any one or more of the charging link, the discharging link, and the system controller; wherein, all The failure causes involved in the system control signal include: abnormality in the rising edge ringing and falling edge ringing of the level of the system control signal, and abnormality in the signal quality information; The system software control information includes at least one of the following: SMBUS communication, software setting conditions; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the system software control information includes the SMBUS communication and/or the software setting conditions, determine whether the system software control has loopholes, communication links or not according to the SMBUS communication and/or the software setting conditions Is it abnormal; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the system software control information involves at least one of the following failure causes, the location where the failure occurs is located as the system controller; wherein the failure causes involved in the system software control information include: system software control There are loopholes and abnormal communication links; The external discharge information includes at least one of the following: the input voltage of the storage system, the input current of the storage system, the output voltage of the BBU control module, the input voltage of the BBU control module, the BBU control module The output current, the discharge enable signal of the BBU control module, the output voltage of the BBU; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the external discharge information includes the input voltage of the storage system, determining whether the input voltage of the storage system is abnormal according to the input voltage of the storage system; If the external discharge information includes the input current of the storage system, determining whether the input current of the storage system is abnormal according to the input current of the storage system; If the external discharge information includes the output voltage of the BBU control module, determine whether the output voltage of the BBU control module is abnormal according to the output voltage of the BBU control module; If the external discharge information includes the input voltage of the BBU control module, determine whether the input voltage of the BBU control module is abnormal according to the input voltage of the BBU control module; If the external discharge information includes the output current of the BBU control module, determine whether the output current of the BBU control module is abnormal according to the output current of the BBU control module; If the external discharge information includes the discharge enable signal of the BBU control module, determine whether the discharge enable signal of the BBU control module is abnormal according to the discharge enable signal of the BBU control module; If the external discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the input voltage of the storage system is normal and the input current of the storage system is abnormal, the location where the fault occurs is located as the discharge link; If the input voltage of the storage system is abnormal and the output voltage of the BBU control module is normal, it is determined that the location where the fault occurs is the discharge link between the BBU control module and the storage system; If the input voltage of the BBU control module is normal, the output voltage of the BBU control module is abnormal, the output current of the BBU control module has no protection record, and the discharge enable signal of the BBU control module is normal, the fault is located The position that appears is the discharge module in the BBU control module; If the input voltage of the BBU control module is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link between the BBU and the BBU control module; The internal discharge information includes at least one of the following: internal discharge input voltage, output voltage of the BBU, and internal discharge current; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the internal discharge information includes the internal discharge input voltage, determining whether the internal discharge input voltage is abnormal according to the internal discharge input voltage; If the internal discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU; If the internal discharge information includes the internal discharge current, determining whether the internal discharge current is abnormal according to the internal discharge current; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the internal discharge input voltage is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link inside the BBU control module; If the internal discharge current is abnormal, the location where the fault occurs is located as the discharge module in the BBU control module; The charging information includes at least one of the following: the charging voltage of the BBU, the charging current of the BBU, the charging input voltage of the BBU, the charging input current of the BBU, and the charging output voltage of the BBU; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the charging information includes the output voltage of the BBU, determine whether the charging voltage of the BBU is abnormal according to the charging voltage of the BBU; If the charging information includes the charging voltage of the BBU, determine whether the charging current of the BBU is abnormal according to the charging current of the BBU; If the charging information includes the charging input voltage of the BBU, determining whether the charging input voltage of the BBU is abnormal according to the charging input voltage of the BBU; If the charging information includes the charging input current of the BBU, determine whether the charging input current of the BBU is abnormal according to the charging input current of the BBU; If the charging information includes the charging output voltage of the BBU, determining whether the charging input module of the storage system is abnormal according to the charging output voltage of the BBU; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the charging information relates to at least one of the following fault causes, it is determined that the location where the fault occurs is the charging module in the BBU control module; wherein the fault causes related to the charging information include: the BBU The charging voltage of the BBU is normal and the charging current of the BBU is abnormal, the charging input voltage of the BBU is abnormal and the charging input current of the BBU is abnormal, the charging input voltage of the BBU is normal and the charging output voltage of the BBU is abnormal; If the charging information relates to the following fault causes, the location where the fault occurs is located as the charging link in the storage system; wherein the fault causes related to the charging information include: the storage system The charging input module is abnormal. 2 . The method for locating faults in a power supply process of a storage system according to claim 1 , wherein the acquiring information about the storage system and the backup power module comprises: 3 . obtaining the information every preset time; The method also includes: Evaluate the performance of the backup power module according to the cause of the failure and the location of the failure; According to the evaluation result, it is judged whether the backup power module has the power supply capability. 3. A fault locating device in a power supply process of a storage system, characterized in that, comprising: The acquisition module is used to acquire the information of the storage system and the backup power module, the information includes at least one of the following: BBU material information, BMS register status, system control signal, system software control information, external discharge information, internal discharge information , charging information; a determination module, configured to determine the failure cause of the storage system and the backup power module corresponding to the information according to a preset rule; A location module, configured to locate the location of the fault corresponding to the cause of the fault according to the preset rule, where the location of the fault includes at least one of the following: BBU, BBU control module, system controller, charging link, and discharging link ; wherein, the preset rule includes the correspondence between each of the information and each of the fault causes and the location where each fault occurs; The BBU material information includes at least one of the following: BBU model, BBU supplier information, BBU shelf life, and BBU cell parameters; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the BBU material information includes the BBU model, determine whether the BBU model is qualified according to the BBU model; If the BBU material information includes the BBU supplier information, determine whether the BBU supplier information is illegal according to the BBU supplier information; If the BBU material information includes the BBU shelf life, determine whether the BBU exceeds the shelf life according to the BBU shelf life; If the BBU material information includes the BBU cell parameters, determine whether the BBU cell parameters are wrong according to the BBU cell parameters; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the BBU material information involves at least one of the following failure causes, the location where the failure occurs is located as the BBU; wherein, the failure causes involved in the BBU material information include: the BBU model is unqualified, The BBU supplier information is illegal, the BBU has exceeded the shelf life, and the parameters of the BBU battery cells are wrong; The BMS register state includes at least one of the following: BBU undervoltage register state, BBU overvoltage register state, BBU cell unbalance register state, BBU temperature exception register state, system in-position control signal register state, BBU charge and discharge MOS register state; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the BMS register state includes the BBU undervoltage register state, determine whether the BBU is undervoltage according to the BBU undervoltage register state; If the BMS register state includes the BBU overvoltage register state, determine whether the BBU is overvoltage according to the BBU overvoltage register state; If the state of the BMS register includes the state of the BBU cell unbalance register, determine whether the BBU cell is damaged or unbalanced according to the state of the BBU cell unbalance register; If the BMS register state includes the BBU temperature abnormality register state, determine whether the system heat dissipation control signal is abnormal according to the BBU temperature abnormality register state; If the state of the BMS register includes the state of the system in-position control signal register, then determine whether the system in-position control signal is abnormal according to the state of the system in-position control signal register; If the state of the BMS register includes the state of the BBU charge and discharge MOS register, determine whether the BBU is undervoltage, whether the BBU is overvoltage, and whether the BBU cell is damaged or not according to the state of the BBU charge and discharge MOS register Balance, whether the BBU is over-charged, whether the BBU is over-discharged, and whether the load of the storage system is short-circuited; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the BBU; wherein the fault causes involved in the BMS register status include: the BBU undervoltage, the The BBU is overvoltage, the BBU cell is damaged or unbalanced; If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the system controller; wherein the fault causes involved in the BMS register status include: abnormal system heat dissipation control signals . The system in-position control signal is abnormal; If the BMS register state involves the following fault causes, the location where the fault occurs is located as the charging link; wherein the fault causes involved in the BMS register state include: the BBU charging overcurrent; If the BMS register status involves at least one of the following fault causes, the location where the fault occurs is located as the discharge link; wherein the fault causes involved in the BMS register status include: the BBU is over-discharged flow, the load of the storage system is short-circuited; The system control signal includes at least one of the following: level and signal quality information of the system control signal; Determining the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the system control signal includes the level and signal quality information of the system control signal, then according to the level of the system control signal, determine whether the level of the system control signal has rising edge ringing or falling edge ringing. Whether there is an abnormality, and determine whether the signal quality information is abnormal according to the signal quality information; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the system control signal involves the following fault causes, the location where the fault occurs is located as any one or more of the charging link, the discharging link, and the system controller; wherein, all The failure causes involved in the system control signal include: abnormality in the rising edge ringing and falling edge ringing of the level of the system control signal, and abnormality in the signal quality information; The system software control information includes at least one of the following: SMBUS communication, software setting conditions; Determining the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the system software control information includes the SMBUS communication and/or the software setting conditions, determine whether the system software control has loopholes, communication links or not according to the SMBUS communication and/or the software setting conditions Is it abnormal; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the system software control information involves at least one of the following failure causes, the location where the failure occurs is located as the system controller; wherein the failure causes involved in the system software control information include: system software control There are loopholes and abnormal communication links; The external discharge information includes at least one of the following: the input voltage of the storage system, the input current of the storage system, the output voltage of the BBU control module, the input voltage of the BBU control module, the BBU control module The output current, the discharge enable signal of the BBU control module, the output voltage of the BBU; The determining of the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the external discharge information includes the input voltage of the storage system, determining whether the input voltage of the storage system is abnormal according to the input voltage of the storage system; If the external discharge information includes the input current of the storage system, determining whether the input current of the storage system is abnormal according to the input current of the storage system; If the external discharge information includes the output voltage of the BBU control module, determine whether the output voltage of the BBU control module is abnormal according to the output voltage of the BBU control module; If the external discharge information includes the input voltage of the BBU control module, determine whether the input voltage of the BBU control module is abnormal according to the input voltage of the BBU control module; If the external discharge information includes the output current of the BBU control module, determine whether the output current of the BBU control module is abnormal according to the output current of the BBU control module; If the external discharge information includes the discharge enable signal of the BBU control module, determine whether the discharge enable signal of the BBU control module is abnormal according to the discharge enable signal of the BBU control module; If the external discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the input voltage of the storage system is normal and the input current of the storage system is abnormal, the location where the fault occurs is located as the discharge link; If the input voltage of the storage system is abnormal and the output voltage of the BBU control module is normal, it is determined that the location where the fault occurs is the discharge link between the BBU control module and the storage system; If the input voltage of the BBU control module is normal, the output voltage of the BBU control module is abnormal, the output current of the BBU control module has no protection record, and the discharge enable signal of the BBU control module is normal, the fault is located The position that appears is the discharge module in the BBU control module; If the input voltage of the BBU control module is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link between the BBU and the BBU control module; The internal discharge information includes at least one of the following: internal discharge input voltage, output voltage of the BBU, and internal discharge current; Determining the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the internal discharge information includes the internal discharge input voltage, determining whether the internal discharge input voltage is abnormal according to the internal discharge input voltage; If the internal discharge information includes the output voltage of the BBU, determine whether the output voltage of the BBU is abnormal according to the output voltage of the BBU; If the internal discharge information includes the internal discharge current, determining whether the internal discharge current is abnormal according to the internal discharge current; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the internal discharge input voltage is abnormal and the output voltage of the BBU is normal, it is determined that the location where the fault occurs is the discharge link inside the BBU control module; If the internal discharge current is abnormal, the location where the fault occurs is located as the discharge module in the BBU control module; The charging information includes at least one of the following: the charging voltage of the BBU, the charging current of the BBU, the charging input voltage of the BBU, the charging input current of the BBU, and the charging output voltage of the BBU; Determining the failure cause of the storage system and the backup power module corresponding to the information according to the preset rule includes: If the charging information includes the output voltage of the BBU, determine whether the charging voltage of the BBU is abnormal according to the charging voltage of the BBU; If the charging information includes the charging voltage of the BBU, determine whether the charging current of the BBU is abnormal according to the charging current of the BBU; If the charging information includes the charging input voltage of the BBU, determining whether the charging input voltage of the BBU is abnormal according to the charging input voltage of the BBU; If the charging information includes the charging input current of the BBU, determine whether the charging input current of the BBU is abnormal according to the charging input current of the BBU; If the charging information includes the charging output voltage of the BBU, determining whether the charging input module of the storage system is abnormal according to the charging output voltage of the BBU; The locating the location of the fault corresponding to the fault cause according to the preset rule includes: If the charging information relates to at least one of the following fault causes, it is determined that the location where the fault occurs is the charging module in the BBU control module; wherein the fault causes related to the charging information include: the BBU The charging voltage of the BBU is normal and the charging current of the BBU is abnormal, the charging input voltage of the BBU is abnormal and the charging input current of the BBU is abnormal, the charging input voltage of the BBU is normal and the charging output voltage of the BBU is abnormal; If the charging information relates to the following fault causes, the location where the fault occurs is located as the charging link in the storage system; wherein the fault causes related to the charging information include: the storage system The charging input module is abnormal. 4. A fault location device in the power supply process of a storage system, characterized in that it comprises a memory for storing a computer program; The processor is configured to implement the steps of the fault location method in the power supply process of the storage system according to claim 1 or 2 when executing the computer program. 5. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the storage system power supply process according to claim 1 or 2 is realized steps in the fault location method.

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