Un-interruptible power supply with indication of battery internal resistance
First Claim
1. An un-interruptible power supply (UPS) with indication of battery internal resistance, comprising:
- an AC (Alternating Current) power input port adapted to connect to an AC power source;
a battery charging unit connected to the AC power input port;
a DC (Direct Current) to AC converter connected to the battery charging unit;
a switch having;
a first end connected to the AC power input port;
a second end connected to the DC to AC converter; and
a switching end switched by the switch to connect to one of the first end and the second end according to a control command received by the switch;
a processor having multiple input terminals and multiple output terminals, and transmitting the control command to the switch when receiving an AC-sensed signal, wherein a part of the multiple output terminals of the processor are connected to the switch, and a part of the multiple input terminals of the processor are connected to the AC power input port;
a display unit connected to one of the output terminals of the processor and displaying text-based information;
a battery pack connected to the battery charging unit and the DC to AC converter, supplying a DC power, and charged by the battery charging unit;
a sensing module connected to the battery pack and the processor to sense an internal resistance of the battery pack and transmit the internal resistance to the processor;
wherein the processor generates a reference internal resistance according to multiple internal resistances of the battery pack detected within a stable time after installation of the battery pack, generates a stable internal resistance when an internal resistance is detected by the sensing module after the stable time expires, and compares the stable internal resistance with the reference internal resistance to generate an internal resistance status for the display unit to display a status of internal resistance of the battery pack.
1 Assignment
0 Petitions
Accused Products
Abstract
An un-interruptible power supply (UPS) with indication of battery internal resistance includes a processor, a display, a sensing module and a battery pack. The sensing module is connected to the processor and the battery pack. The processor is connected to the display, generates a reference internal resistance according to multiple internal resistances detected by the sensing module within a stable time after installation, generates a stable internal resistance according to an internal resistance of the battery pack detected by the sensing module after the stable time, compares the stable internal resistance with the reference internal resistance to generate a status of internal resistance of the battery pack, and instructs the display unit to display the status for user'"'"'s timely awareness of the condition of the battery pack and prompt action when the performance of the battery pack deteriorates.
3 Citations
20 Claims
-
1. An un-interruptible power supply (UPS) with indication of battery internal resistance, comprising:
-
an AC (Alternating Current) power input port adapted to connect to an AC power source; a battery charging unit connected to the AC power input port; a DC (Direct Current) to AC converter connected to the battery charging unit; a switch having; a first end connected to the AC power input port; a second end connected to the DC to AC converter; and a switching end switched by the switch to connect to one of the first end and the second end according to a control command received by the switch; a processor having multiple input terminals and multiple output terminals, and transmitting the control command to the switch when receiving an AC-sensed signal, wherein a part of the multiple output terminals of the processor are connected to the switch, and a part of the multiple input terminals of the processor are connected to the AC power input port; a display unit connected to one of the output terminals of the processor and displaying text-based information; a battery pack connected to the battery charging unit and the DC to AC converter, supplying a DC power, and charged by the battery charging unit; a sensing module connected to the battery pack and the processor to sense an internal resistance of the battery pack and transmit the internal resistance to the processor; wherein the processor generates a reference internal resistance according to multiple internal resistances of the battery pack detected within a stable time after installation of the battery pack, generates a stable internal resistance when an internal resistance is detected by the sensing module after the stable time expires, and compares the stable internal resistance with the reference internal resistance to generate an internal resistance status for the display unit to display a status of internal resistance of the battery pack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. An un-interruptible power supply (UPS) with indication of battery internal resistance, comprising:
-
an AC (Alternating Current) power input port adapted to connect to an AC power source; a battery charging unit connected to the AC power input port; a DC (Direct Current) to AC converter connected to the battery charging unit; a switch having; a first end connected to the AC power input port; a second end connected to the DC to AC converter; and a switching end switched by the switch to connect to one of the first end and the second end according to a control command received by the switch; an AC power output port connected to the switching end of the switch and adapted to connect to an external electronic device to supply power to the electronic device; a processor having multiple input terminals and multiple output terminals, and transmitting the control command to the switch when receiving an AC-sensed signal, wherein a part of the multiple output terminals of the processor are connected to the switch, and a part of the multiple input terminals of the processor are connected to the AC power input port; a display unit connected to one of the output terminals of the processor; a battery pack connected to the battery charging unit and the DC to AC converter, supplying a DC power, and charged by the battery charging unit; a sensing module connected to the battery pack and the processor to sense an internal resistance of the battery pack and transmit the internal resistance to the processor; wherein the processor generates a reference internal resistance according to multiple internal resistances of the battery pack detected within a stable time after installation of the battery pack, generates a stable internal resistance when an internal resistance is detected by the sensing module after the stable time expires, and compares the stable internal resistance with the reference internal resistance to generate an internal resistance status for the display unit to display the internal resistance status with a corresponding background color of a screen of the display unit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification