UPS power supply battery maintenance status and monitoring technology introduction. At present, maintenance-free sealed lead-acid batteries are widely used in small and medium-sized UPS power supplies, accounting for 1/4-1/2 of the total cost of UPS power supplies. The UPS power supply battery real-time online monitoring system monitors the operating status of the battery in real time. The health status assessment system ensures that the battery can be replaced promptly to ensure sufficient power.

　　People usually compare batteries to the heart of UPS uninterruptible power supply system. Users in various industries should pay attention to battery maintenance from the perspective of ensuring operation quality, production safety and property safety. Therefore, purchasing battery maintenance instruments is not a consumer expense, but a piece of equipment. A long-term investment in safety.

　　Current status of UPS power battery maintenance

　　UPS power batteries generally lack correct daily maintenance and accurate detection methods, which has laid a major safety hazard for the normal power supply of UPS in the future. Some users usually wait until an accident occurs before they realize that the UPS power battery has failed and cannot provide normal power supply. How to improve the means and level of battery monitoring and management in UPS power supplies and reduce or eliminate the incidence of battery accidents is undoubtedly of high economic value to users. Improving the safety and reliability of UPS battery operation is a common problem that currently plagues users.

　　1. The battery life of UPS power supply cannot meet the design requirements. In practical applications, batteries often begin to deteriorate after one year of use. Batteries that have been used for more than three years have a very serious degree of deterioration and can rarely reach the nominal capacity.

　　2. There is a lack of recording and monitoring of the charge and discharge of the UPS power battery, and the battery operation status is unknown.

　　3. Due to the lack of good means and management, battery users lack sufficient understanding of battery operation conditions, especially the collection and analysis of battery historical data. The organization and analysis of these data require strong professional knowledge.

　　4. The performance status of the battery is unclear, especially whether the UPS power battery has the ability to supply instantaneous high current.

　　5. The battery performance status, such as the battery's voltage balance and current capacity, cannot be clearly understood in real time.

　　6. Lack of temperature compensation and ambient temperature monitoring.

　　7. The UPS power battery lacks detection means and maintenance instruments, and insufficient attention is paid to it.

　　8. Currently, quite a few battery maintenance personnel are misled into thinking that "maintenance-free" means no maintenance is required. It is believed that the measure of replacing the UPS power battery when it expires after three years can solve the problem once and for all and replace maintenance inspections.

　　UPS power battery monitoring technology

　　UPS power supply monitoring and battery control collects the data of the uninterruptible power supply in the computer room, and carries out unified monitoring and management on the PC in the central computer room through remote transmission to realize remote power on and off of the UPS and remote charging and discharging of the UPS battery, such as If an abnormality is discovered, the administrator can be alerted by text message, phone call, sound and light alarm, etc., which facilitates the person in charge of the computer room to carry out effective management, greatly saving costs in all aspects, and at the same time, it can be unmanned 24 hours a day.

　　Battery monitoring has gradually become a focus of everyone's attention. To solve problems in battery use, we need to look at it from a system perspective, which will be of greater help to the use of batteries and the safety of power supply.

　　The UPS power battery online monitoring system consists of three relatively independent modules, the TV module, the TC module and the convergence module (environmental power monitoring host). The voltage, internal resistance, temperature, and current of the battery pack can be collected in real time. Achieve early prediction of battery failure and reduce UPS power battery risks. It has a data saving function and can upload data through RS485 or network port. Daily work such as data review, alarm processing, and management can be completed by accessing the platform through a browser.

　　The main contents of UPS power battery monitoring are as follows:

　　1. Operation status

　　Measure the voltage of the single UPS power battery, the temperature of the single battery, the total voltage of the battery pack, battery charge and discharge current, ambient temperature, etc., and report the battery operation status to the monitoring center in real time.

　　2. Automatic alarm

　　When the total voltage, cell voltage, and temperature exceed the alarm value, it will automatically alarm. The threshold can be set; the data at any time can be directly queried.

　　3. The system is highly scalable

　　If battery pack monitoring is added later, it can be easily added to the unified management.

　　2. Voltage inspection function

　　It can inspect UPS power battery pack voltage, current, positive and negative electrode temperatures, single cell voltage and other parameters. The inspection interval can be set, and the shortest interval is 20 seconds.

　　4. Have professional analysis and management

　　Automatically generate monthly reports to display the voltage changes and alarm records of each UPS power battery during the month's operation, as well as the highest and lowest operating events.

　　3. Capacity monitoring

　　When the UPS power battery pack is being discharged or charged, the battery monitor automatically performs a capacity test. It can test the discharge capacity and charging capacity of each battery and battery pack. Observe the charging and discharging process remotely at the same time. It can cooperate with the annual nuclear burst discharge and monitor the battery pack voltage and discharge current as well as the voltage changes of each battery during the entire discharge process.

　　4. Alarm record

　　Set upper and lower limits for UPS battery pack voltage, single cell voltage, battery internal resistance, temperature, etc. When the monitor detects that a parameter exceeds the set upper and lower limits, the monitor automatically alarms and records the event. Users can detect abnormalities in the working status of the battery pack.

　　The UPS power supply battery online monitoring system monitors the voltage, charge and discharge current, internal resistance, temperature and other parameters of each battery at all times. The staff can conduct real-time comprehensive analysis of the battery status based on the monitoring data, and evaluate the battery status. Comprehensive control. Staff can receive timely reminders so that they can deal with hidden dangers promptly and avoid accidents.

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