CN214958706U - Modular power supply system - Google Patents

Modular power supply system Download PDF

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CN214958706U
CN214958706U CN202121406822.1U CN202121406822U CN214958706U CN 214958706 U CN214958706 U CN 214958706U CN 202121406822 U CN202121406822 U CN 202121406822U CN 214958706 U CN214958706 U CN 214958706U
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China
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power supply
power
input
module
eps
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CN202121406822.1U
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杨立群
金烨
张梦群
刘彦良
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Huadian Heavy Industries Co Ltd
China Huadian Engineering Group Co Ltd
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Huadian Heavy Industries Co Ltd
China Huadian Engineering Group Co Ltd
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Abstract

The utility model discloses a modularization electrical power generating system, this modularization electrical power generating system includes: the direct current power supply module comprises a first input port, a second input port and an output port, wherein the first input port is suitable for being connected with an alternating current power supply, the second input port is suitable for being connected with an internal direct current power supply, and the direct current power supply module is also provided with an output port which is used for outputting direct current; a UPS power supply module, wherein a first input end of the UPS power supply module is connected with the DC power supply module through an inverter device, and a second input end of the UPS power supply module is connected with the AC power supply; the first input end of the EPS power supply module is connected with the alternating current power supply, and the second input end of the EPS power supply module is connected with the direct current power supply module through the inversion device. According to the arrangement, the number of the devices can be simplified, the whole configuration circuit can be simplified, and the workload of daily maintenance of technicians is further reduced.

Description

Modular power supply system
Technical Field
The utility model relates to a electrical power generating system technical field, concretely relates to modularization electrical power generating system.
Background
At present, according to the related design specifications of power supply and distribution, fire control and the like and the technical requirements of power supply of PLC (programmable logic controller) or DCS (distributed control system) control equipment, a power supply configuration system of a general project needs to be independently configured with a direct-current power supply device, a UPS (uninterrupted power supply) power supply device and an EPS (electric power storage) power supply device, and the direct-current power supply device, the UPS power supply device and the EPS power supply device are independently arranged, so that the equipment is numerous, the configuration circuit is complex, and the maintenance workload is large.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in that the equipment numerous and the configuration circuit of power configuration system are comparatively complicated among the prior art, maintain the problem that work load is big to a modularization electrical power generating system is provided.
In order to achieve the above object, an embodiment of the present invention provides a modular power system, which includes: the direct current power supply module comprises a first input port, a second input port and an output port, wherein the first input port is suitable for being connected with an alternating current power supply, the second input port is suitable for being connected with an internal direct current power supply, and the direct current power supply module is also provided with an output port which is used for outputting direct current; a UPS power supply module, wherein a first input end of the UPS power supply module is connected with the DC power supply module through an inverter device, and a second input end of the UPS power supply module is connected with the AC power supply; the first input end of the EPS power supply module is connected with the alternating current power supply, and the second input end of the EPS power supply module is connected with the direct current power supply module through the inversion device.
Optionally, the first input terminal of the UPS power module inputs a voltage to the UPS power module preferentially over the second input terminal of the UPS power module.
Optionally, the first input terminal of the EPS power module preferentially inputs the voltage to the EPS power module from the second input terminal of the EPS power module.
Optionally, the ac power supply includes: an AC input power supply; the alternating current power supply bus is connected with the alternating current input power supply; the first input port, the second input end of the UPS power supply module and the first input end of the EPS power supply module are connected to the alternating current power supply bus.
Optionally, the ac input power source includes an ac input working power source and an ac input backup power source.
Optionally, the ac input working power supply and the ac input backup power supply are connected to the ac power supply bus through a dual power automatic transfer switch.
Optionally, the dc power supply module includes: the high-frequency switch direct-current power supply modules are provided with the first input ports and are connected with the alternating-current power supply bus through the first input ports; the direct-current power distribution unit is connected with the high-frequency switch direct-current power modules through a direct-current bus; the direct-current power supply distribution unit is provided with the output port; the direct current bus is also connected with the output port.
Optionally, the internal dc power supply includes: and the storage battery pack is connected with the output port of the direct current bus.
Optionally, the UPS power module includes: a UPS power distribution unit; the output end of the first change-over switch is connected with the UPS power distribution unit, the first input end of the first change-over switch is connected with the direct-current bus through the inverter, and the second input end of the first change-over switch is connected with the alternating-current power bus through the isolation transformer.
Optionally, the inverter device comprises: and one end of each inverter power supply module is connected with the direct current bus, and the other end of each inverter power supply module is connected with the inverter alternating current bus.
Optionally, the EPS power module includes: an EPS power distribution unit; and the output end of the second change-over switch is connected with the EPS power distribution unit, the first input end of the second change-over switch is connected with the alternating current power supply bus, and the second input end of the second change-over switch is connected with the inversion alternating current bus.
Compared with the prior art, the utility model, have following advantage:
1. the embodiment of the utility model provides a modularization electrical power generating system, this modularization electrical power generating system includes: the direct current power supply module comprises a first input port, a second input port and an output port, wherein the first input port is suitable for being connected with an alternating current power supply, the second input port is suitable for being connected with an internal direct current power supply, and the direct current power supply module is also provided with an output port which is used for outputting direct current; a UPS power supply module, wherein a first input end of the UPS power supply module is connected with the DC power supply module through an inverter device, and a second input end of the UPS power supply module is connected with the AC power supply; the first input end of the EPS power supply module is connected with the alternating current power supply, and the second input end of the EPS power supply module is connected with the direct current power supply module through the inversion device.
So set up, can integrate traditional independent DC power supply unit, UPS power supply unit, EPS power supply unit into integrated device to all adopt the modularized design, can merge the same functional unit of original effect, thereby can simplify equipment quantity and simplify holistic configuration circuit, and then reduce technical staff routine maintenance's work load.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for a worker in the field, without creative efforts, other drawings can be obtained according to the drawings.
Fig. 1 is a schematic diagram of an overall structure of a modular power supply system according to an embodiment of the present invention.
Reference numerals:
1. a DC power supply module; 11. a high-frequency switch direct-current power supply module; 12. a direct current power distribution unit; 13. a direct current bus;
2. an alternating current power supply; 21. inputting a working power supply by alternating current; 22. AC input standby power; 23. a dual power automatic transfer switch; 24. an AC power bus;
3. a UPS power supply module; 31. a UPS power distribution unit; 32. a first changeover switch;
4. an EPS power module; 41. an EPS power distribution unit; 42. a second changeover switch;
5. an inverter device; 51. an inverter power supply module; 52. inverting the alternating current bus;
6. an internal DC power supply; 7. an isolation transformer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary workers in the field without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases for ordinary workers in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
At present, according to the related design specifications of power supply and distribution, fire control and the like and the technical requirements of power supply of PLC (programmable logic controller) or DCS (distributed control system) control equipment, a power supply configuration system of a general project needs to be independently configured with a direct-current power supply device, a UPS (uninterrupted power supply) power supply device and an EPS (electric power storage) power supply device, and the direct-current power supply device, the UPS power supply device and the EPS power supply device are independently arranged, so that the equipment is numerous, the configuration circuit is complex, and the maintenance workload is large.
Therefore, the to-be-solved technical problem of the utility model lies in that the equipment numerous and the configuration circuit of power configuration system are comparatively complicated among the prior art, maintain the problem that work load is big to a modularization electrical power generating system is provided.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a modular power system, which includes a dc power module 1, a UPS power module 3, and an EPS power module 4.
Specifically, the dc power supply module 1 includes a first input port, a second input port, and an output port, where the first input port is adapted to be connected to the ac power supply 2, the second input port is adapted to be connected to the internal dc power supply 6, and the dc power supply module 1 is further provided with an output port for outputting dc power. The first input end of the UPS power module 3 is connected with the DC power module 1 through an inverter 5, and the second input end of the UPS power module 3 is connected with the AC power supply 2. The first input end of the EPS power module 4 is connected with the alternating current power supply 2, and the second input end of the EPS power module 4 is connected with the direct current power supply module 1 through the inverter 5.
So set up, can integrate traditional independent DC power supply unit, UPS power supply unit, EPS power supply unit into integrated device to all adopt the modularized design, can merge the same functional unit of original effect, thereby can simplify equipment quantity and simplify holistic configuration circuit, and then reduce technical staff routine maintenance's work load.
Specifically, in the embodiment of the present invention, the first input terminal of the UPS power module 3 takes precedence over the second input terminal of the UPS power module 3 inputting voltage to the UPS power module 3. The first input end of the EPS power module 4 inputs voltage to the EPS power module 4 preferentially from the second input end of the EPS power module 4.
Of course, a person skilled in the art may set the priority states of the input terminals of the UPS power module 3 and the EPS power module 4 according to actual situations, and this embodiment is merely an example, and is not limited to this example, and the same technical effect may be achieved.
Optionally, in the embodiment of the present invention, the ac power supply 2 includes an ac input power supply and an ac power supply bus 24, and the ac power supply bus 24 is connected to the ac input power supply. The ac power bus 24 is connected to the first input port, the second input terminal of the UPS power module 3, and the first input terminal of the EPS power module 4. The ac input power may include an ac input operating power source 21 and an ac input backup power source 22. Further, the ac input working power supply 21 and the ac input backup power supply 22 are connected to the ac power supply bus 24 through a dual power automatic transfer switch 23.
The embodiment of the utility model provides a through setting up dual supply automatic transfer switch 23, can guarantee normal power supply according to the input source that the actual power consumption condition switches AC input to improve the holistic reliability of equipment.
Of course, those skilled in the art can change the type of the ac input power according to actual situations, and this embodiment is merely an example, and is not limited thereto, and may achieve the same technical effect.
Optionally, in the embodiment of the present invention, the dc power module 1 includes a plurality of high-frequency switching dc power modules 11 and a dc power distribution unit 12, and the high-frequency switching dc power module 11 is provided with the first input port, and through the first input port and the ac power bus 24 are connected. The direct current power distribution unit 12 is connected with the high-frequency switch direct current power supply modules 11 through the direct current buses 13, the direct current power distribution unit 12 is provided with the output ports, and the direct current buses 13 are further connected with the output ports. Further, the internal dc power supply 6 includes a battery pack, which is connected to the output port of the dc bus 13.
Specifically, in the embodiment of the present invention, the dc power distribution unit 12 can be a dc power distribution panel, and the storage battery can be a valve-regulated lead-acid storage battery, and this embodiment is only illustrated for the kind of the dc power distribution unit 12 and the internal dc power supply 6, and is not limited, and those skilled in the art can change the kind of the dc power distribution unit 12 and the internal dc power supply 6 according to the actual situation, and can play the same technical effect.
Optionally, in an embodiment of the present invention, the UPS power module 3 includes: the UPS power distribution unit 31 and the first change-over switch 32, the output of the first change-over switch 32 with the UPS power distribution unit 31 is connected, the first input of the first change-over switch 32 passes through the inverter 5 with the direct current bus 13 is connected, the second input of the first change-over switch 32 pass through the isolation transformer 7 with the alternating current power bus 24 is connected.
Specifically, the inverter device 5 may include a plurality of inverter power modules 51, one end of each inverter power module 51 is connected to the dc bus 13, and the other end of each inverter power module 51 is connected to the ac inverter bus 52.
Furthermore, the EPS power module 4 may include an EPS power distribution unit 41 and a second switch 42, an output end of the second switch 42 is connected to the EPS power distribution unit 41, a first input end of the second switch 42 is connected to the ac power bus 24, and a second input end of the second switch 42 is connected to the ac inverter bus 52.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A modular power system, comprising:
the direct current power supply module (1) comprises a first input port, a second input port and an output port, wherein the first input port is suitable for being connected with an alternating current power supply (2), the second input port is suitable for being connected with an internal direct current power supply (6), the direct current power supply module (1) is further provided with an output port, and the output port is used for outputting direct current;
a UPS power module (3), wherein a first input end of the UPS power module (3) is connected with the DC power module (1) through an inverter (5), and a second input end of the UPS power module (3) is connected with the AC power supply (2);
the EPS power supply comprises an EPS power supply module (4), wherein a first input end of the EPS power supply module (4) is connected with the alternating current power supply (2), and a second input end of the EPS power supply module (4) is connected with the direct current power supply module (1) through the inversion device (5).
2. The modular power system of claim 1, wherein the first input of the UPS power module (3) prioritizes the second input of the UPS power module (3) for inputting voltage to the UPS power module (3).
3. The modular power system according to claim 1, characterized in that the first input of the EPS power module (4) prioritizes the second input of the EPS power module (4) for inputting voltage to the EPS power module (4).
4. Modular power supply system according to any of claims 1 to 3, characterized in that the alternating current power supply (2) comprises:
an AC input power supply;
an AC power bus (24) connected to the AC input power; the first input port, the second input end of the UPS power module (3) and the first input end of the EPS power module (4) are connected to the alternating current power supply bus (24).
5. The modular power supply system of claim 4, wherein the AC input power source comprises an AC input working power source (21) and an AC input backup power source (22); the alternating current input working power supply (21) and the alternating current input standby power supply (22) are connected with the alternating current power supply bus (24) through a double-power-supply automatic change-over switch (23).
6. Modular power supply system according to claim 5, characterized in that the direct current power supply module (1) comprises:
the high-frequency switch direct-current power supply modules (11) are provided with the first input ports and are connected with the alternating-current power supply bus (24) through the first input ports;
the direct-current power distribution unit (12) is connected with the high-frequency switch direct-current power modules (11) through a direct-current bus (13); the direct-current power supply distribution unit (12) is provided with the output port;
the direct current bus (13) is also connected with the output port.
7. Modular power supply system according to claim 6, characterized in that the internal direct current power supply (6) comprises:
and the storage battery pack is connected with the output port of the direct current bus (13).
8. Modular power supply system according to claim 6 or 7, characterized in that the UPS power supply module (3) comprises:
a UPS power distribution unit (31);
the output end of the first change-over switch (32) is connected with the UPS power distribution unit (31), the first input end of the first change-over switch (32) is connected with the direct current bus (13) through the inversion device (5), and the second input end of the first change-over switch (32) is connected with the alternating current power bus (24) through the isolation transformer (7).
9. Modular power supply system according to claim 8, characterized in that the inverter device (5) comprises:
and one end of each inverter power supply module (51) is connected with the direct current bus (13), and the other end of each inverter power supply module is connected with the inverter alternating current bus (52).
10. The modular power system according to claim 9, characterized in that the EPS power module (4) comprises:
an EPS power distribution unit (41);
the output end of the second change-over switch (42) is connected with the EPS power distribution unit (41), the first input end of the second change-over switch (42) is connected with the alternating current power bus (24), and the second input end of the second change-over switch (42) is connected with the inversion alternating current bus (52).
CN202121406822.1U 2021-06-23 2021-06-23 Modular power supply system Active CN214958706U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121406822.1U CN214958706U (en) 2021-06-23 2021-06-23 Modular power supply system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121406822.1U CN214958706U (en) 2021-06-23 2021-06-23 Modular power supply system

Publications (1)

Publication Number Publication Date
CN214958706U true CN214958706U (en) 2021-11-30

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Application Number Title Priority Date Filing Date
CN202121406822.1U Active CN214958706U (en) 2021-06-23 2021-06-23 Modular power supply system

Country Status (1)

Country Link
CN (1) CN214958706U (en)

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