The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Mar. 22, 2023
Santak Electronic (Shenzhen) Co., Ltd., Shenzhen, CN;
Santak Electronic (Shenzhen) Co., Ltd., Shenzhen, CN;
Abstract
The disclosure provides an uninterruptible power supply, including: an alternating current input terminal, configured to connect to mains electricity; an alternating current output terminal, configured to connect to a load; a rectifier and an inverter sequentially connected between the alternating current input terminal and the alternating current output terminal, where direct current buses are connected between the rectifier and the inverter; a capacitive element, connected between a positive electrode and a negative electrode of the direct current buses; a rechargeable battery and a bidirectional DC/DC converter, where the bidirectional DC/DC converter is connected between the rechargeable battery and the direct current buses; and a direct current bus charging and discharging module that includes a switch assembly and at least one resistor, the switch assembly including a discharging switch and at least one charging switch, where the at least one charging switch is configured to enable a power-supply source to precharge the direct current buses via the at least one resistor, and the discharging switch is configured to discharge, independently or in cooperation with the at least one charging switch, the direct current buses via the at least one resistor.