Do you know how to maintain and maintain the lead-acid battery pack of solar communication base stations?

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

1 Preventing the life and performance of over the reservoir is closely related to the heat accumulation of heat accumulation in the battery, and the heat source inside the battery is important to the power loss of the internal electrochemical reaction, and the product of the charging voltage and the charging current can be simply. In the oxygen resolution reaction, the floating current increases to increase more heat, and when the constant voltage is charged, the floating current increases with the temperature rise, so that the temperature further rises. The thermal out-control phenomenon is a unique phenomenon caused by the structural manner of the valve-controlled sealed battery.

Heat out of control often brings serious harm, such as battery loss, housing‘Tummy’Wait, serious people causing battery scrap. Preventing over charge is to supply charging voltage values ​​in strict accordance with the manufacturer's manual. Now the combined power supply can be set, intelligent management, pay attention to the first is to set the correct, followed by the unauthorized personality, can not be changed casually.

2 Preventing insufficient charging and excessive charges, it is important that the charging is important is that the charging voltage is low or low. Or the rack system has problems. 3 Preventing the depth of over-discharge and the number of battery design charge and discharge cycle (service life) closely related.

For example, when the discharge depth is 5%, the number of cycles is 10,000, and when the discharge depth is 50%, the number of cycles is only 800 times. Excessive discharges will cause the battery to be unable to activate to the best state, even scrapped. Different discharge rates have different discharge time and termination voltage, and the effective capacity of the release is also different, and it is affected by ambient temperature.

It is no longer listing and drawing the curve, and the battery instructions of different manufacturers are given. Maintenance personnel should pay attention, and strictly press the relevant data to set in the monitoring unit, and must not change casually. Now the rack power manufacturer is designed with a battery-down function, that is, when the battery is discharged to the set termination voltage, the battery discharge circuit is automatically cut off by monitoring instructions.

More manufacturers take into account the monitoring unit (depending on its operating power), it cannot detect the battery termination voltage or cannot issue an instruction, and another device. Therefore, the maintenance personnel should also pay attention to these hardware circuits in the inspection and inspect and maintain. 4 Control ambient temperature battery temperature increase, electrolyte activity is intensified, the battery internal resistance is small, and its floating charge is increased to cause corrosion of the conductive element, the life is reduced; in turn, the electrolyte activity is weakened, the battery is increased, the battery increases, battery Attenns to the load capacity.

Therefore, it is necessary to control the monitoring and environmental temperature of the battery temperature. At the same time, the charging voltage must be taken to temperature compensation to prevent overcharge and low temperature under high temperature. Most of the VRLA battery packs are used to control the ambient temperature at 25 degrees, and the acceleration life test shows that the ambient temperature is increased by 10 degrees, and the charging voltage is adjusted.

The battery life will be shortened by half. 5 Timely replacement of faulty batteries Since the process difference between each monomer, long-term floating charge may gradually gradually‘behind’Therefore, there is a regular management function that periodically charges the battery pack in the monitoring unit, which is no longer behind. But often backward, eventually possible to become a fault battery.

We can use a variety of ways to determine if it is ill, such as a capacity test, or test its internal resistance on it online. The key is to replace the fault battery in time, so that the availability of the battery pack is very important. 6 Capacity test and discharge test capacity testing of the battery pack is to perform physical examination of the battery pack, of course, the amount of work is large, but it is recommended to sample the sample test when it is recommended.

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