Ups battery detection method
A battery detection and battery technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve problems such as power failure at the load end
Inactive Publication Date: 2017-09-19
商宇(深圳)科技有限公司
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Problems solved by technology
This method is very flawed. Because most UPSs use batteries to supply auxiliary power, when the battery is open or the battery power supply is abnormal, since the output terminal of the charger is directly connected to the positive and negative terminals of the battery, if the charger is turned off, the UPS will be turned off directly. Serious consequences of power failure at the load end
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[0009] The present invention will be further described below in conjunction with specific examples, but the present invention is not limited to these specific implementations. Those skilled in the art will realize that the present invention covers all alternatives, modifications and equivalents as may be included within the scope of the claims.
[0010] refer to figure 1 , UPS battery detection method, comprises UPS, and described UPS comprises rectifier AC→DC, booster DC→DC, inverter DC→AC connected in sequence, and the input end AC In of described rectifier AC→DC is connected with AC mains connected, the output terminal INV Out of the inverter DC→AC is connected to the load, the rectifier AC→DC is also connected with a battery BAT as a backup power supply, the rectifier AC→DC, the booster DC→DC, The inverter DC→AC is connected to the auxiliary power supply Power which supplies power to it, the auxiliary power supply Power is connected to the battery BAT which supplies power...
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A UPS battery detection method, comprising a UPS, the UPS includes a rectifier, a booster, and an inverter connected in sequence, the input end of the rectifier is connected to the AC mains, and the output end of the inverter is connected to the load , the rectifier is also connected with a battery as a backup power supply, the rectifier, booster, and inverter are all connected to the auxiliary power supply for power supply, the auxiliary power supply is connected to the battery for power supply, the battery It is connected with a charger for charging it, and it is characterized in that: when the UPS is working in a non-battery-powered mode to detect whether the battery is open or whether the battery is powered normally, the charger is not completely closed and works in a step-down mode. When the present invention detects that the battery is open circuit or the battery power supply is abnormal, the charger is not completely closed, and works in the step-down mode, that is, it can also output voltage for power supply, which ensures the normal operation of the UPS, and the UPS normally supplies power to the load without causing unnecessary damage. Loss.
Description
technical field [0001] The invention relates to a UPS battery detection method. Background technique [0002] At present, most UPSs use the method of turning off the charger and detecting the voltage at both ends of the battery to determine whether the UPS battery is connected and whether the battery power supply is normal. This method is very flawed. Because most UPSs use batteries to supply auxiliary power, when the battery is open or the battery power supply is abnormal, since the output terminal of the charger is directly connected to the positive and negative terminals of the battery, if the charger is turned off, the UPS will be turned off directly. Serious consequences of power failure at the load end. Contents of the invention [0003] The invention provides a UPS battery detection method. [0004] The technical scheme adopted in the present invention is: [0005] The UPS battery detection method comprises a UPS, and the UPS includes a rectifier, a booster, and ...
Claims
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IPC IPC(8): H02J7/34
Inventor 黄新发刘文陈志金韦健丁宝光
Owner 商宇(深圳)科技有限公司