CN-121973669-A - Intelligent operation and maintenance management method for battery-powered cabinet

CN121973669ACN 121973669 ACN121973669 ACN 121973669ACN-121973669-A

Abstract

The invention discloses an intelligent operation and maintenance management method of a power conversion cabinet, which relates to a management control technology of the power conversion cabinet, wherein the method obtains the power conversion frequency and the high-frequency power conversion period of the power conversion cabinet by monitoring the power conversion frequency and the power conversion time of the power conversion cabinet, then adjusts the voltage of a charger in the power conversion cabinet according to the high-low peak period of the power conversion frequency to meet the high-frequency power conversion requirement, and simultaneously charges a protective battery at low frequency band and at low voltage, and simultaneously reduces the threshold value of the battery capable of converting power for the high-frequency power conversion period so as to ensure the high-frequency current of the battery; and by monitoring the state and the position of the battery, designing a battery planning management scheme, preferentially applying the high-capacity battery to low-frequency power conversion and preferentially applying the low-capacity battery to high-frequency power conversion, thereby improving the battery flow rate and reasonably utilizing the battery by monitoring the power conversion data of the power conversion cabinet and prolonging the service life of the battery.

Inventors

HUANG JIANTA
Zhu Huimo
SU TIANQING
LIU ZHAOFENG

Assignees

深圳即刻换电数字信息有限公司

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (9)

1. The intelligent operation and maintenance management method for the battery exchange cabinet is characterized by comprising the following steps of: S1, monitoring the power conversion frequency of a power conversion cabinet, and judging high and low peak time periods according to time analysis of the power conversion frequency; S2, increasing and decreasing a power conversion bin based on the power conversion frequency, and adjusting the battery charging voltage based on the high and low peak time periods; s3, adjusting a battery borrowable power threshold based on the frequency of the peak-to-peak time period; S4, configuring high-low voltage charging potential based on the power conversion frequency; s5, executing a differentiated battery planning management scheme based on the battery capacity.
2. The intelligent operation and maintenance management method of a battery exchange cabinet according to claim 1, wherein the step S1 includes: s11, setting a power-changing frequency monitoring period, a frequency threshold value and a time threshold value, and obtaining a battery replacement record and replacement time of the power-changing cabinet by recording the battery replacement record and replacement time; s12, monitoring the number of times of full cabinet power change in a power change period, and obtaining through counting battery replacement records; S13, monitoring a dense occurrence period of the power change times; s14, obtaining the frequency grade and the high-frequency time of the power conversion cabinet.
3. The intelligent operation and maintenance management method of a battery exchange cabinet according to claim 2, wherein the step S2 includes: S21, designing a battery changing cabinet as an assembled type and designing a charger as an integrated detachable type, wherein the charger is divided into a low-voltage fixed frequency type and a high-voltage variable frequency type; S22, increasing and decreasing the number of the battery changing cabinet units according to the frequency grade of the battery changing cabinet; s23, adjusting the charging voltage of the charging module according to the high-low frequency period of the battery changing cabinet.
4. The intelligent operation and maintenance management method of the battery-changing cabinet according to claim 2, wherein in the step S23, for a high-frequency period of the battery-changing cabinet, the effect of fast battery power-up is achieved by raising the voltage of the high-voltage variable-frequency charger, the high-frequency power-changing requirement is met, and for a low-frequency period of the battery-changing cabinet, the effect of protecting the battery and the charger is achieved by trickle charging by lowering the voltage of the high-voltage variable-frequency charger.
5. The intelligent operation and maintenance management method of a battery-changing cabinet according to claim 4, wherein in the step S23, when the voltage of the high-voltage variable-frequency charger is raised in the high-frequency period, the whole charging environment data including the environment temperature, the battery temperature and the current total charging load of the whole battery-changing cabinet and the total rated load condition of the battery-changing cabinet are also monitored, so as to ensure the charging safety.
6. The intelligent operation and maintenance management method of a power conversion cabinet according to claim 2, wherein the step S3 adjusts a power conversion rule of the power conversion cabinet according to a power conversion frequency level divided by the power conversion cabinet and a corresponding time period, and includes: in the high-frequency power conversion period, designing a battery threshold value of the replaceable power to be 70% of the total amount so as to ensure high-frequency power conversion of the battery; In the low-frequency power conversion period, the threshold value of the battery which can be converted into power is designed to be 95% of the total amount, so that a user can obtain a high-endurance battery; For the replaced battery, the charge for replacing the battery is calculated according to the actual electric quantity of the current battery.
7. The intelligent operation and maintenance management method for the battery changing cabinet according to claim 3, wherein in the step S4, based on the frequency grade of the battery changing cabinet, the number proportion of the low-voltage fixed-frequency chargers and the high-voltage variable-frequency chargers is set for the existing total unit number of the battery changing cabinet so as to meet the high-frequency battery changing requirement, meanwhile, the arrangement cost of charger equipment is reduced, meanwhile, in the arrangement process of the chargers, the upper unit of the battery changing cabinet is arranged as a low-voltage fixed-frequency charger, and the lower unit in the battery changing cabinet is arranged as a high-voltage variable-frequency charger, so that the battery changing at high frequency is convenient to take and put.
8. The intelligent operation and maintenance management method of a battery exchange cabinet according to claim 1, wherein the step S5 specifically includes: s51, numbering and identifying each battery, and monitoring battery capacity attenuation; S52, determining a battery number which is replaced by the user account according to the user account, taking a battery identifier as a tracing source, and implementing a battery planning management scheme by tracking the battery; S53, identifying a battery number when a user returns the battery, and distinguishing a return bin, wherein the method specifically comprises the following steps: for the high-capacity battery, when the low-voltage charging position in the battery compartment is idle, a designated low-voltage charging position compartment door is preferentially opened for a user, and the high-capacity battery is preferentially applied to low-frequency power conversion, so that the service life of the battery is prolonged; For the low-capacity battery, when the high-voltage charging position in the battery compartment is idle, a designated high-voltage charging position compartment door is preferentially opened for a user, and the low-capacity battery is preferentially applied to high-frequency power conversion, so that the waste of the energy storage performance of the high-capacity battery is avoided.
9. The intelligent operation and maintenance management method of a power conversion cabinet according to claim 2, wherein in the step S11, the power conversion frequency monitoring period includes: the long period is obtained based on statistics of the long-term continuous power change times of the power change cabinet; The regional period is low in power conversion frequency in the false period nearby the school and high in power conversion frequency in the open period; short period, low frequency of changing power in working days and high frequency of changing power in weekends; based on different periods, different power conversion cabinet configuration schemes are executed, and maintenance personnel adjust the power conversion cabinet configuration schemes.

Description

Intelligent operation and maintenance management method for battery-powered cabinet Technical Field The invention relates to the technical field of management and control of a power conversion cabinet, in particular to an intelligent operation and maintenance management method of the power conversion cabinet. Background The battery replacing cabinet is used as battery storage and charging equipment, and mainly aims to provide a shared battery for two-wheeled electric vehicles on the current market, and the electric vehicles adopt a power renting scheme to acquire battery replacement so as to meet the endurance problem of users. The operation and maintenance concept of the existing battery changing cabinet is too single, and only a battery renting and returning scheme capable of being interacted is provided, so that a plurality of defects exist for users and operation and maintenance personnel; 1. the battery charging management is single, a unified rated charging scheme is adopted, and the battery is difficult to supply in a high-frequency period of power conversion; 2. The service life of the battery is managed singly, and a unified renting and returning scheme is adopted for the battery, so that the high-performance battery cannot be effectively protected, and the low-performance battery cannot meet the requirements of high-endurance users; 3. the power conversion cabinet has single scale, and the throwing proportion can not be adjusted according to actual conditions for hot and cold areas and periods, and the idle problem of equipment exists in the cold areas and periods; In order to solve the problems, the intelligent operation and maintenance management method for the power conversion cabinet is particularly provided. Disclosure of Invention The invention aims to provide an intelligent operation and maintenance management method for a battery exchange cabinet, which aims to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the intelligent operation and maintenance management method for the battery changing cabinet comprises the following steps: S1, monitoring the power conversion frequency of a power conversion cabinet, and judging high and low peak time periods according to time analysis of the power conversion frequency; S2, increasing and decreasing a power conversion bin based on the power conversion frequency, and adjusting the battery charging voltage based on the high and low peak time periods; s3, adjusting a battery borrowable power threshold based on the frequency of the peak-to-peak time period; S4, configuring high-low voltage charging potential based on the power conversion frequency; s5, executing a differentiated battery planning management scheme based on the battery capacity. Preferably, the step S1 includes: s11, setting a power-changing frequency monitoring period, a frequency threshold value and a time threshold value, and obtaining a battery replacement record and replacement time of the power-changing cabinet by recording the battery replacement record and replacement time; s12, monitoring the number of times of full cabinet power change in a power change period, and obtaining through counting battery replacement records; S13, monitoring a dense occurrence period of the power change times; s14, obtaining the frequency grade and the high-frequency time of the power conversion cabinet. Preferably, the step S2 includes: S21, designing a battery changing cabinet as an assembled type and designing a charger as an integrated detachable type, wherein the charger is divided into a low-voltage fixed frequency type and a high-voltage variable frequency type; S22, increasing and decreasing the number of the battery changing cabinet units according to the frequency grade of the battery changing cabinet; s23, adjusting the charging voltage of the charging module according to the high-low frequency period of the battery changing cabinet. Preferably, in the step S23, for a high-frequency period of the battery-changing cabinet, the voltage of the high-voltage variable-frequency charger is raised to achieve the effect of fast battery charging and meet the high-frequency battery-changing requirement, and for a low-frequency period of the battery-changing cabinet, the voltage of the high-voltage variable-frequency charger is lowered to achieve the effect of protecting the battery and the charger through trickle charging. Preferably, in step S23, when the voltage of the high-voltage variable-frequency charger is raised in the high-frequency period, the whole charging environment data including the environment temperature, the battery temperature, the current total charging load of the whole battery-changing cabinet and the total rated load condition of the battery-changing cabinet are also required to be monitored, so as to ensure the charging safety. Preferably, the step S3 adjusts a power conversion rule of t