CN-115395634-B - Uninterruptible power system and operation method thereof

CN115395634BCN 115395634 BCN115395634 BCN 115395634BCN-115395634-B

Abstract

An uninterruptible power system and an operation method thereof. The uninterruptible power system comprises a direct current-alternating current conversion circuit, a plurality of switches, a plurality of sensing units, a plurality of output ports and a control unit. The first end of each switch is electrically coupled to the output end of the DC-AC conversion circuit. Each sensing unit is electrically coupled between one of the output ports and a second end of one of the switches. The control unit is electrically coupled to the control end of the switch. The control unit is used for defining at least one group of members from the output ports according to the system setting, and defining which members are non-critical output ports from each group according to the system setting. The control unit is also used for setting at least one condition that all non-critical output ports in each group are simultaneously powered off according to system setting, and controlling the operation of the corresponding switch according to the condition.

Inventors

YANG KAICONG
ZHOU RUIHONG
XU FANGYU
YE XIUTING

Assignees

硕天科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20210520

Claims (10)

1. An uninterruptible power supply system is characterized in that, the uninterruptible power system includes: A DC-AC conversion circuit; each switch is provided with a first end, a second end and a control end, and the first ends are electrically coupled with the output end of the direct current-alternating current conversion circuit; The input end of each sensing unit is electrically coupled with one of the second ends and is used for sensing at least one of voltage and current; a plurality of output ports, each electrically coupled to an output terminal of one of the sensing units, and The control unit is electrically coupled with the DC-AC conversion circuit, the control end and the sensing unit, is used for defining at least two groups of members from the output ports according to system setting, defining which members are non-critical output ports from each group according to the system setting, is also used for setting at least one condition that all non-critical output ports in each group are simultaneously stopped from being powered according to the system setting, and controlling the operation of a corresponding switch according to the control unit, Wherein, the conditions for simultaneously stopping power supply to all non-critical output ports set by at least two groups are different.
2. The uninterruptible power system of claim 1, wherein the parameters considered by the condition include at least one of a power consumption of a load, whether a utility power fails, a remaining power of a battery of the uninterruptible power system, a temperature of the battery of the uninterruptible power system, an internal temperature of the uninterruptible power system, an ambient temperature outside of the uninterruptible power system, and a set count time.
3. The uninterruptible power system of claim 1, further comprising an input interface, wherein the control unit is further electrically coupled to the input interface to receive the system settings via the input interface.
4. The uninterruptible power system of claim 3, wherein the input interface comprises a touch panel.
5. The uninterruptible power system of claim 1, further comprising a communication interface, wherein the control unit is further electrically coupled to the communication interface to receive the system settings via the communication interface.
6. The uninterruptible power system of claim 5, wherein the control unit is further configured to execute a web server program to provide a web user interface for a user to input the system settings.
7. The uninterruptible power system of claim 6, wherein the network user interface comprises a Web interface, an SNMP interface, or a Telnet interface.
8. The uninterruptible power system of claim 1, wherein the uninterruptible power system is an online uninterruptible power system, an offline uninterruptible power system, or an online interactive uninterruptible power system.
9. An operation method of an uninterruptible power system, the uninterruptible power system including a dc-ac conversion circuit, a plurality of switches, a plurality of sensing units and a plurality of output ports, each switch having a first end, a second end and a control end, wherein the first ends are electrically coupled to the output ends of the dc-ac conversion circuit, the input end of each sensing unit is electrically coupled to one of the second ends and is used for sensing at least one of voltage and current, and each output port is electrically coupled to the output end of one of the sensing units, the operation method comprising the steps of: Defining at least two members of the group from the output ports according to system settings; defining which members are non-critical output ports from each group according to the system configuration, and Setting at least one condition for simultaneously stopping power supply to all non-critical output ports in each group according to the system setting, and controlling the operation of the corresponding switch according to the condition, Wherein, the conditions for simultaneously stopping power supply to all non-critical output ports set by at least two groups are different.
10. The method of operation of an uninterruptible power supply system according to claim 9, wherein the parameters considered by the condition include at least one of a power consumption of a load, whether or not a commercial power is failed, a remaining power of a battery of the uninterruptible power supply system, a temperature of the battery of the uninterruptible power supply system, an internal temperature of the uninterruptible power supply system, an ambient temperature outside of the uninterruptible power supply system, and a set count time.

Description

Uninterruptible power system and operation method thereof Technical Field The present invention relates to the field of power supply, and in particular, to an uninterruptible power system and an operating method thereof. Background Currently, uninterruptible power systems (uninterruptible power system, UPS) having a plurality of output ports are available on the market, and the output ports of such uninterruptible power systems are divided into a plurality of groups (so-called groups or banks) for respective control. However, the output port groups of the uninterruptible power system are well defined during manufacturing, so that the uninterruptible power system lacks flexibility in use. Disclosure of Invention One of the objectives of the present invention is to provide an uninterruptible power system, which can define at least one group of members from a plurality of output ports according to a system setting input by a user, so as to improve the flexibility of the uninterruptible power system in use. Another object of the present invention is to provide an operating method corresponding to the uninterruptible power system described above. In order to achieve the above objective, the present invention provides a uninterruptible power system, which includes a dc-ac conversion circuit, a plurality of switches, a plurality of sensing units, a plurality of output ports and a control unit. Each switch has a first end, a second end and a control end, and the first end of each switch is electrically coupled to the output end of the DC-AC conversion circuit. The input end of each sensing unit is electrically coupled with the second end of one of the switches and is used for sensing at least one of voltage and current. Each output port is electrically coupled to an output terminal of one of the sensing units. The control unit is electrically coupled to the DC-AC conversion circuit, the control end of each switch and each sensing unit. The control unit is used for defining at least one group of members from the output ports according to the system setting, and defining which members are non-critical output ports from each group according to the system setting. The control unit is also used for setting at least one condition that all non-critical output ports in each group are simultaneously powered off according to system setting, and controlling the operation of the corresponding switch according to the condition. In order to achieve the above objective, the present invention further provides a method for operating an uninterruptible power system. The uninterruptible power system comprises a direct current-alternating current conversion circuit, a plurality of switches, a plurality of sensing units and a plurality of output ports. Each switch has a first end, a second end and a control end, and the first end of each switch is electrically coupled to the output end of the DC-AC conversion circuit. The input end of each sensing unit is electrically coupled with the second end of one of the switches and is used for sensing at least one of voltage and current. Each output port is electrically coupled to an output terminal of one of the sensing units. The operation method comprises the following steps of defining members of at least one group from the output ports according to system setting, defining which members are non-critical output ports from each group according to the system setting, and setting at least one condition that all non-critical output ports in each group stop power supply at the same time according to the system setting, so as to control the operation of a corresponding switch. In order to make the above-mentioned objects, technical features and practical implementation gain more obvious, the following description will be given with reference to the accompanying drawings. Drawings The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings: fig. 1 is a uninterruptible power system according to an embodiment of the invention. Fig. 2 is a non-powered down system according to another embodiment of the invention. Fig. 3 is a uninterruptible power system according to still another embodiment of the invention. Fig. 4 is a flowchart of an operation method of the uninterruptible power system according to an embodiment of the invention. Detailed Description For a better understanding of the features, contents and advantages of the present invention and the effects achieved thereby, the present invention will now be described in detail with reference to the accompanying drawings, which are presented in the form of examples, but the drawings used herein are for illustration and description only and are not necessarily true pr