CN117220401A - Intelligent AC/DC integrated uninterrupted power supply equipment - Google Patents
Intelligent AC/DC integrated uninterrupted power supply equipment Download PDFInfo
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- CN117220401A CN117220401A CN202311487406.2A CN202311487406A CN117220401A CN 117220401 A CN117220401 A CN 117220401A CN 202311487406 A CN202311487406 A CN 202311487406A CN 117220401 A CN117220401 A CN 117220401A
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Abstract
The application discloses intelligent AC/DC integrated uninterruptible power supply equipment, and relates to the technical field of electric energy storage systems. The detection device comprises a connecting panel member and a plurality of detection component groups, wherein the detection component groups are used for detecting the electrifying condition of the electrical appliance components; the connection panel member includes: a plurality of electric lamp holders matched with the detection component groups in number. The application designs the connecting panel which is matched with the UPS power supply equipment, when the UPS power supply group is connected, one of the UPS power supply equipment groups in the line has a fault, the fault of a specific power utilization device in the failed UPS power supply equipment can be quickly searched, the UPS power supply equipment is independently out through the switching device which is electrically connected with the detection part group, and the rest UPS power supply equipment is connected in parallel.
Description
Technical Field
The application relates to the technical field of electric energy storage systems, in particular to intelligent AC/DC integrated uninterruptible power supply equipment.
Background
Uninterruptible power supply equipment is called UPS power supply equipment for short, and UPS is equipment for providing temporary power supply, is used for protecting load equipment from power problems such as power interruption, voltage fluctuation, voltage ripple and the like, and intelligent AC/DC integrated UPS power supply equipment generally comprises an input end, an output end and a battery. The input end is connected with the main power supply, the output end is connected with the load equipment, the battery is used for providing standby power when the main power supply is interrupted, and when the main power supply is powered normally, the UPS converts electric energy into direct current and converts the direct current into alternating current through the inverter to be supplied to the load. When the main power supply is interrupted, the UPS can be rapidly switched to a standby battery to supply power so as to keep continuous power supply of the load equipment, and when the intelligent AC/DC integrated uninterruptible power supply equipment is used in a data center, a plurality of intelligent AC/DC integrated uninterruptible power supplies are often connected in series to ensure stability of data transmission, so that the stability of the data transmission is ensured, and the UPS is particularly important for switching and fault detection of the intelligent AC/DC integrated uninterruptible power supply equipment.
The power supply switching system and the double-power supply equipment disclosed in the application number CN215934520U are characterized in that a power supply switching circuit is built by adopting basic electronic component design, the switching of the circuit is completed by utilizing a hardware automatic switching mode, the fault processing method and the device of the power supply equipment disclosed in the application number CN107359688A are respectively used for carrying out fault detection on each DC/DC module through logic control modules such as detection units and the like built in each DC/DC module, and the on-off state of switch modules such as Q1, Q2 or Q3 of the fault module is controlled through a control unit (or called a driving unit) to realize the isolation of the fault module, so that the normal work of other DC/DC modules in the inverter power supply system is ensured, the normal power supply of the inverter power supply system is ensured, and the power supply reliability of the inverter power supply system is improved.
However, if there is a failure in one UPS power source device in the series UPS power source device group, the power supply of the entire UPS power source device group may be unstable, which is not beneficial to power supply to the data center for a long time, and the above two patents cannot realize the investigation of the failed UPS power source device under the condition of not disconnecting the operation state of the UPS power source device, so that the phenomenon that the data in the server room and the data center are interrupted to a certain extent is limited, and the flexibility is limited, so that the applicant proposes a novel intelligent ac/dc integrated uninterruptible power source device.
Disclosure of Invention
The application aims to provide intelligent AC/DC integrated uninterrupted power supply equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: intelligent AC/DC integrated uninterrupted power supply equipment includes: the panel members are connected with a plurality of detection component groups, and the detection component groups are used for detecting the electrifying condition of the electrical appliance components;
the connection panel member includes:
the electric lamp tube seats are electrically connected with the detection component groups, and lamp tubes for visually showing the electrifying condition of the electric appliance are arranged in the electric lamp tube seats;
and when the power utilization component in one power supply device among the plurality of power supply devices fails, the switching component operates to connect the failed electric equipment with the rest electric equipment in parallel.
Still further, the detection component is divided into two identical detection components, the detection components comprising:
the bearing seat is used for being installed in the power supply equipment;
the limiting frame is used for being fixed at the top of the bearing seat, two ends of the inside of the limiting frame are respectively and slidably connected with a rebound arc-shaped clamping arm, and the two arc-shaped clamping arms are directly provided with a contact ring which is sleeved outside the wire harness and is electrically connected with the wire harness;
and one end outside the limiting frame is provided with a current signal sensor for detecting current at the contact ring, and the current signal sensor is electrically connected with the electric lamp tube seat.
Still further, the connection panel member further includes: the connecting plate is used for being arranged outside the output end in the power supply equipment, and a plurality of electric lamp tube seats are arranged at the top end of the back surface of the connecting plate;
the switching part is arranged at the position, close to the bottom end, of the back surface of the connecting plate, and a plurality of transmission wire harnesses matched with the electric lamp tube seat in number are arranged on the back surface of the connecting plate and are used for being connected with the power supply equipment;
and a power supply clamp fixed on the back surface of the connecting plate is respectively arranged outside each transmission wire harness, and the power supply clamp is electrically connected with the electric lamp tube seat.
Furthermore, the bottom end of the front surface of the connecting plate is fixed with output connectors matched with the transmission wire harnesses in number, the output connectors are used for connecting a plurality of power supply devices, and each output connector is electrically connected with a corresponding transmission wire harness.
Furthermore, a plug frame is fixed on the back of the connecting plate at a position close to the output connector, and the plug frame breaks the transmission wire harness;
one end of the plug frame is provided with a communication opening matched with the switching part, and the top and the bottom of the plug frame are respectively provided with a plurality of holes with the number and the positions being matched with the transmission wire harness.
Further, two ends of the broken part of any one of the transmission wire harnesses are respectively fixed with wire harness connectors which extend to the top and the bottom of the inside of the plug frame through holes;
when the switching component is in operation, only the wire harness joints on one transmission wire harness are communicated by the switching component, and when the switching component is not in operation, all the wire harness joints on the transmission wire harness can be communicated by the switching component.
Still further, the switching means includes: the electric push rod is matched with the communication opening, the electric push rod is fixed at one end of the plug-in frame, and the output end of the electric push rod is fixed with one end of the switching frame;
the top and the bottom of the switching frame are provided with extension notches, the number and the positions of which are matched with the wire harness connectors;
the inside of switching frame is fixed with the "Z" type that the quantity is more than extending the breach and even the electroplax, and more than one intercommunication electroplax sets up in the switching frame and is close to the outside of the extension breach of electric putter position.
Further, the method comprises: the power supply device comprises an opening cabinet, a control panel, a filter, a charger, a power supply switch, a battery pack, a shunt, a static switch, a rectifier and a processing circuit board, wherein the control panel, the filter, the charger, the power supply switch, the battery pack, the shunt, the static switch, the rectifier, an inverter and the processing circuit board are arranged inside the opening cabinet and form UPS power supply equipment, a transmission wiring harness of the detection device is arranged at the output end of the shunt, a connecting plate of the detection device is arranged at the cabinet opening of the opening cabinet, a cabinet plate is connected outside the cabinet opening of the opening cabinet in a rotating manner, and a contact notch matched with the output connector is formed in the bottom end of the outer surface of the cabinet plate.
Furthermore, two input terminals are arranged outside the filter, and the two input terminals are respectively a power grid slot for connecting with a power grid and a linkage plug for connecting with a plurality of power supply devices.
Compared with the prior art, the application has the beneficial effects that:
according to the intelligent AC/DC integrated uninterruptible power supply equipment, through the design of the connecting panel member matched with the UPS power supply equipment, when the UPS power supply group is connected, one of the UPS power supply equipment groups in a circuit fails, the failure of a specific power utilization device in the failed UPS power supply equipment can be quickly searched, the UPS power supply equipment is independently removed through the switching device electrically connected with the detection component group, and the rest UPS power supply equipment is connected in parallel.
In addition, the device can detect the electrifying condition of the electric appliance parts by connecting the panel parts and the detection part groups, which is helpful for knowing the working state of the electric appliance parts in the equipment in time so as to ensure that the electric appliance parts are normally connected with a power supply;
finally, when the device is in actual use, as the electric lamp tube seat and the lamp tube in the connecting panel member provide visual reaction, the power-on condition of the electrical appliance component can be displayed through the on-off of the lamplight, so that a maintainer can know the working state of the electrical appliance component in the equipment through observing the state of the lamp tube, and the fault detection and maintenance are convenient.
Drawings
FIG. 1 is an isometric view of the present application;
FIG. 2 is a view showing the internal structure of the present application;
FIG. 3 is a front structural view of the connecting panel member of the present application;
FIG. 4 is a structural assembly view of the back of the connecting panel member of the present application;
FIG. 5 is a structural view of the back of the connecting panel member of the present application;
FIG. 6 is a structural view of the detecting unit of the present application;
fig. 7 is a structural composition diagram of the switching member of the present application.
In the figure: 1. an opening cabinet; 2. a control panel; 3. a carrying foot; 4. maintaining the plugboard; 5. connecting panel members; 501. a connecting plate; 502. a transmission harness; 503. an electric lamp tube holder; 504. a lamp tube; 505. an output joint; 506. a plug frame; 507. a communication opening; 508. a power supply clip; 509. a harness joint; 6. a contact gap; 7. a cabinet plate; 8. a heat radiation port; 9. a detection section; 901. a bearing seat; 902. a current signal sensor; 903. a spring; 904. a contact ring; 905. an arc-shaped clamping arm; 906. a carrying seat; 907. a limit frame; 10. a filter; 11. a power grid slot; 12. a linkage plug; 13. a charger; 14. a heat radiation fan; 15. a power supply switch; 16. a rectifier; 17. a static switch; 18. a battery pack; 19. a shunt; 20. processing the circuit board; 21. a switching part; 2101. an electric push rod; 2102. a switching frame; 2103. extending the notch; 2104. connecting an electric plate; 22. an inverter.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the server room and the data center, the uninterruptible power supply equipment is used for supplying power to electric equipment in the server room and the data center, and a plurality of uninterruptible power supply equipment in the server room and the data center are usually arranged.
As shown in fig. 1 to 7, the present application provides a technical solution: intelligent AC/DC integrated uninterrupted power supply equipment includes: the power supply device comprises a connecting panel member 5 and a plurality of detecting component groups, wherein the connecting panel member 5 is used for being installed outside an output end in the power supply device, the detecting component groups are used for being installed outside wire harnesses at the positive and negative ends of all electrical components in the power supply device, and are used for detecting the electrifying condition of the electrical components.
In the application, the detection component group can detect the resistance value, the current value and the voltage value of the electric appliance component according to actual conditions, and particularly, the data mainly detected by the application is current data.
Referring to fig. 3, 4 and 5, in the present application, the connection panel member 5 includes: the electric lamp tube seat 503 is electrically connected with the detection component group, the electric lamp tube seat 503 is internally provided with a lamp tube 504 for visually showing the energizing condition of the electric appliance, the connection part of the connection panel member 5 and the power supply device is provided with a switching component 21, and when one of the power supply devices has a fault in the power supply device, the switching component 21 operates to connect the faulty electric appliance with the rest electric appliance in parallel.
Referring to fig. 2, it can be seen that the detecting component is divided into two identical detecting components 9, and as can be seen from fig. 2, the two detecting components 9 are respectively mounted at the positive electrode of the battery pack 18 and the negative electrode of the power supply switch 15, and it should be emphasized that the detecting components 9 shown in fig. 2 are two positive and negative electrodes in the two detecting components 9.
In addition, in the present application, the detecting means 9 includes: the bearing seat 901 is used for being arranged in power equipment, and in particular to the application, the bearing seat 901 is fixed in the opening cabinet 1, the limiting frame 907 is used for being fixed at the top of the bearing seat 901, two ends in the limiting frame 907 are respectively and slidably connected with a rebound arc-shaped clamping arm 905, and the two arc-shaped clamping arms 905 are directly provided with a contact ring 904 which is sleeved outside a wire harness and is electrically connected with the wire harness; one end outside the limiting frame 907 is provided with a current signal sensor 902 for detecting current at the contact ring 904, and the current signal sensor 902 is electrically connected with the electric lamp tube seat 503.
The mounting seat 906 is fixed to both ends of the outside of the limit frame 907, the spring 903 is placed horizontally in the mounting seat 906, one end of the spring 903 is fixed to the inner wall of the mounting seat 906, and the other end of the spring 903 penetrates the mounting seat 906 and the protruding surfaces of the limit frame 907 and the arc clip arms 905 to be fixed, wherein the current signal sensor 902 can be provided outside the mounting seat 906 as seen in fig. 6.
It should be added that, when the contact ring 904 is assembled, the insulation layer on the surface of the wire harness for connecting the electrical appliance needs to be torn, so that the metal layers in the wire harness in the contact ring 904 are contacted.
As can be seen with reference to fig. 3, 4 and 5, in the present application, the connection panel member 5 further comprises: the connection board 501, the connection board 501 is used for installing outside the output end in the power supply equipment, a plurality of electric lamp holders 503 are installed on the top of the back of the connection board 501, it should be noted that in the application, the switching component 21 is installed on the back of the connection board 501 near the bottom, a plurality of transmission wire bundles 502 matched with the electric lamp holders 503 are installed on the back of the connection board 501, and the transmission wire bundles 502 are used for connecting with the power supply equipment; the power supply clip 508 fixed on the back of the connection board 501 is installed outside each transmission wire harness 502, and the power supply clip 508 is electrically connected with the electric lamp tube seat 503, wherein the assembly mode between the power supply clip 508 and the transmission wire harness 502 is the same as the assembly mode of the detection component 9 in the application.
It should be noted that, in the present application, the bottom end of the front surface of the connection board 501 is fixed with output connectors 505 matched with the transmission wire bundles 502 in number, the output connectors 505 are used for connecting a plurality of power devices, each output connector 505 is electrically connected with a corresponding transmission wire bundle 502, a plug frame 506 is fixed at the position of the back surface of the connection board 501 near the output connector 505, the plug frame 506 breaks the transmission wire bundle 502, one end of the plug frame 506 is provided with a communication opening 507 matched with the switching component 21, and the top and the bottom of the plug frame 506 are respectively provided with a plurality of holes matched with the transmission wire bundle 502 in number and position.
It should be emphasized that the two ends of the broken portion of any one transmission harness 502 are respectively fixed with harness connectors 509 extending to the top and bottom of the interior of the plug frame 506 through the holes, when the switching member 21 is in operation, only the harness connectors 509 on one transmission harness 502 are communicated by the switching member 21, and when the switching member 21 is not in operation, all the harness connectors 509 on the transmission harness 502 can be communicated by the switching member 21.
Referring to fig. 7, in the present application, the switching unit 21 includes: the electric push rod 2101 and the switching frame 2102 are matched with the communication opening 507, the electric push rod 2101 is fixed at one end of the plug frame 506, and the output end of the electric push rod 2101 is fixed with one end of the switching frame 2102; the top and bottom of the switching frame 2102 are provided with extension notches 2103, the number and positions of which are matched with the wire harness connector 509; the switching frame 2102 is internally fixed with a plurality of Z-shaped communication electric plates 2104 which are one more than the extending notch 2103, and the more than one communication electric plates 2104 are arranged outside the extending notch 2103 which is close to the electric push rod 2101 in the switching frame 2102.
When the switching member 21 is operated, the electric push rod 2101 moves the switching frame 2102 in the plug frame 506, and when the switching member 21 is moved to the dead point, the two wire harness connectors 509 on the transmission wire harness 502 near the electric push rod 2101 are in contact with the plurality of communication electric plates 2104, and the output connector 505 near the electric push rod 2101 is still in the energized state, and the current flow in the device is led from the filter 10 to the static switch 17 and led to the next connected power supply device through the connecting panel member 5 along the shunt 19.
When the switching member 21 is not in operation, all the output terminals 505 on the connection panel member 5 are in an energized state, and the current in the power supply apparatus flows as the battery pack 18, the inverter 22, the static switch 17, the shunt 19, and the connection panel member 5.
As can be seen with reference to fig. 1 and 2, in the present application, the power supply apparatus includes not only a detection device, but also: the power supply device comprises an opening cabinet 1, a control panel 2, a filter 10, a charger 13, a power supply switch 15, a battery pack 18, a shunt 19, a static switch 17, a rectifier 16, an inverter 22 and a processing circuit board 20, wherein the control panel 2, the filter 10, the charger 13, the power supply switch 15, the battery pack 18, the shunt 19, the static switch 17, the rectifier 16, the inverter 22 and the processing circuit board 20 are arranged inside the opening cabinet 1 and form UPS power supply equipment, and two input terminals are arranged outside the filter 10 and are respectively a power grid slot 11 for being connected with a power grid and a linkage plug 12 for being connected with a plurality of power supply equipment.
It should be noted that, in the present application, the control panel 2 is electrically connected to the processing circuit board 20, the processing circuit board 20 is used for controlling the operation of the electric putter 2101, specifically, the detection data of the current signal sensor 902 is transmitted to the processing circuit board 20 and displayed on the control panel 2, and after receiving the detection data, the processing circuit board 20 controls the operation of the electric putter 2101 and the static switch 17, and it should be noted that the static switch 17 functions as a switching circuit in the present application.
In addition, the opening cabinet 1 has the following features in the application:
wherein detection device's transmission pencil 502 is installed in the output department of shunt 19, static switch 17 and dc-to-ac converter 22 are installed at the middle part of opening cupboard 1, detection device's connecting plate 501 is installed in the cabinet mouth department of opening cupboard 1, the cabinet mouth external rotation of opening cupboard 1 is connected with cabinet board 7, the contact breach 6 with the output connector 505 looks adaptation has been seted up to the bottom of cabinet board 7 surface, thermovent 8 has been seted up at the top of cabinet board 7 surface, be fixed with around the opening cupboard 1 bottom respectively and be used for with ground contact bear foot 3.
In addition, a power supply switch 15 in the application is arranged on one side of the opening cabinet 1, which is far away from the cabinet opening, and is used for switching on and switching off the cooling fan 14, and a battery pack 18 is arranged on one side of the opening cabinet 1, which is close to the cabinet opening, and is used for serving as an input power source of the whole UPS power supply equipment.
In addition, one side of the outside of the opening cabinet 1 is designed to be open, a maintenance plugboard 4 is inserted into the gap design, the maintenance plugboard 4 is used for overhauling the fault electric appliance by separating the maintenance plugboard 4 from the opening cabinet 1 after the fault electric appliance is determined, and the opening cabinet 1 and the maintenance plugboard 4 are both acrylic transparent plates, so that the state of the electric appliance can be visually observed from the outside.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An intelligent ac/dc integrated uninterruptible power supply device, which comprises a detection device and further comprises: the UPS power supply device comprises an opening cabinet (1), a control panel (2), a filter (10), a charger (13), a power supply switch (15), a battery pack (18), a shunt (19), a static switch (17), a rectifier (16), an inverter (22) and a processing circuit board (20), wherein the control panel (2), the filter (10), the charger (13), the power supply switch (15), the battery pack (18), the shunt (19), the static switch (17), the rectifier (16), the inverter (22) and the processing circuit board (20) are arranged inside the opening cabinet (1) and form UPS power supply equipment;
the method is characterized in that: the detection device includes: the connecting panel (5) and the detecting component groups are used for being arranged outside the opening cabinet (1), the detecting component groups are respectively arranged outside the wire harnesses at the positive and negative ends of any electric appliance in the UPS power supply equipment, and the detecting component groups are used for detecting the electrifying condition of the electric appliance;
the connecting panel (5) comprises:
the electric lamp tube seats (503) are matched with the detection component groups in number, the electric lamp tube seats (503) are electrically connected with the detection component groups, and lamp tubes (504) for visually showing the electrifying condition of the electric appliance are arranged in the electric lamp tube seats (503);
and a switching part (21) is arranged at the back of the connecting panel (5), and when one power supply device has a fault in the power utilization part in the plurality of power supply devices, the switching part (21) operates to connect the faulty electric equipment and the rest electric equipment in parallel.
2. An intelligent ac/dc integrated uninterruptible power supply device according to claim 1, wherein:
the detection component is divided into two identical detection components (9), and the detection components (9) comprise:
a carrying seat (901) for being mounted inside the power supply device;
the limiting frame (907) is used for being fixed at the top of the bearing seat (901), two ends inside the limiting frame (907) are respectively and slidably connected with a rebound arc-shaped clamping arm (905), and the two arc-shaped clamping arms (905) are directly provided with a contact ring (904) which is sleeved outside the wire harness and is electrically connected with the wire harness;
one end outside the limiting frame (907) is provided with a current signal sensor (902) for detecting current at the contact ring (904), and the current signal sensor (902) is electrically connected with the electric lamp tube seat (503).
3. An intelligent ac/dc integrated uninterruptible power supply device according to claim 1, wherein: the connecting panel (5) further comprises: the connecting plate (501), the connecting plate (501) is installed at the cabinet opening of the opening cabinet (1), and a plurality of electric lamp holders (503) are installed at the top end of the back surface of the connecting plate (501);
the switching part (21) is arranged at a position, close to the bottom end, on the back surface of the connecting plate (501), a plurality of transmission wire harnesses (502) which are matched with the electric lamp tube seat (503) in number are arranged on the back surface of the connecting plate (501), and the transmission wire harnesses (502) of the detection device are arranged at the output end of the diverter (19);
and a power supply clamp (508) fixed on the back surface of the connecting plate (501) is respectively arranged outside each transmission wire harness (502), and the power supply clamp (508) is electrically connected with the electric lamp tube seat (503).
4. An intelligent ac/dc integrated uninterruptible power supply according to claim 3, wherein: the device is characterized in that the number of output connectors (505) matched with the transmission wire harnesses (502) are fixed at the bottom end of the front of the connecting plate (501), a cabinet plate (7) is connected outside a cabinet opening of the opening cabinet (1) in a rotating mode, a contact gap (6) matched with the output connectors (505) of the detection device is formed in the bottom end of the outer surface of the cabinet plate (7), the output connectors (505) are used for connecting a plurality of power supply devices, and each output connector (505) is provided with one corresponding transmission wire harness (502) which is electrically connected with the corresponding output connector.
5. The intelligent ac/dc integrated uninterruptible power supply of claim 4, wherein: a plug frame (506) is fixed on the back of the connecting plate (501) at a position close to the output connector (505), and the plug frame (506) cuts off the transmission wire harness (502);
one end of the plug frame (506) is provided with a communication opening (507) matched with the switching part (21), and the top and the bottom of the plug frame (506) are respectively provided with a plurality of holes matched with the transmission wire harness (502) in number and position.
6. The intelligent ac/dc integrated uninterruptible power supply of claim 5, wherein: wire harness connectors (509) which penetrate through holes and extend to the top and the bottom in the plug frame (506) are respectively fixed at two ends of the disconnection part of any one transmission wire harness (502);
when the switching part (21) is in operation, only the wire harness connectors (509) on one transmission wire harness (502) are communicated by the switching part (21), and when the switching part (21) is not in operation, all the wire harness connectors (509) on the transmission wire harness (502) can be communicated by the switching part (21).
7. The intelligent ac/dc integrated uninterruptible power supply of claim 6, wherein: the switching member (21) includes: the electric push rod (2101) and the switching frame (2102), the switching frame (2102) is matched with the communication opening (507), the electric push rod (2101) is fixed at one end of the plug frame (506), and the output end of the electric push rod (2101) is fixed with one end of the switching frame (2102);
the top and the bottom of the switching frame (2102) are provided with extension notches (2103) with the number and the positions matched with the wire harness connector (509);
the inside of switching frame (2102) is fixed with "Z" type intercommunication electricity board (2104) that the quantity is more than extending breach (2103), and more than one intercommunication electricity board (2104) set up in switching frame (2102) and be close to outside extending breach (2103) of electric putter (2101) position department.
8. An intelligent ac/dc integrated uninterruptible power supply device according to claim 1, wherein: two input terminals are arranged outside the filter (10), and the two input terminals are a power grid slot (11) for connecting with a power grid and a linkage plug (12) for connecting with a plurality of power supply devices respectively.
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| CN202311487406.2A CN117220401B (en) | 2023-11-09 | 2023-11-09 | Intelligent AC/DC integrated uninterrupted power supply equipment |
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| CN202311487406.2A CN117220401B (en) | 2023-11-09 | 2023-11-09 | Intelligent AC/DC integrated uninterrupted power supply equipment |
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| CN117220401B CN117220401B (en) | 2024-01-26 |
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| WO2001061822A2 (en) * | 2000-02-18 | 2001-08-23 | Liebert Corporation | Modular uninterruptible power supply |
| CN201656549U (en) * | 2010-03-17 | 2010-11-24 | 邯钢集团邯宝钢铁有限公司 | Automatic switching device of UPS |
| CN109450074A (en) * | 2018-12-11 | 2019-03-08 | 北京东道科技发展有限公司 | A kind of UPS and machine segmentation power supply energy conservation configures system |
| CN110797968A (en) * | 2019-11-06 | 2020-02-14 | 漳州科华技术有限责任公司 | Power-off prevention method and system for uninterruptible power supply and terminal equipment |
| CN113466678A (en) * | 2021-03-17 | 2021-10-01 | 中国人民解放军海军工程大学 | Quick detection device of heterogeneous change over switch trouble of heavy current |
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| CN117220401B (en) | 2024-01-26 |
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