CN115664178A - Split type power device of data center power - Google Patents
Split type power device of data center power Download PDFInfo
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- CN115664178A CN115664178A CN202211355709.4A CN202211355709A CN115664178A CN 115664178 A CN115664178 A CN 115664178A CN 202211355709 A CN202211355709 A CN 202211355709A CN 115664178 A CN115664178 A CN 115664178A
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Abstract
The invention belongs to the technical field of power supplies, and discloses a data center power supply split type power device which comprises a high-voltage power unit, a low-voltage power unit and a transformer, wherein the high-voltage power unit is connected with the low-voltage power unit; the high-voltage power unit, the low-voltage power unit and the transformer are all independently packaged devices; the input end of the high-voltage power unit is connected with an alternating-current power supply, the output end of the high-voltage power unit is connected with the high-voltage end of the transformer, and the low-voltage end of the transformer is connected with the input end of the low-voltage power unit. According to the invention, the high-voltage power unit and the low-voltage power unit are electrically isolated by 10kV through the transformer, the insulation of the transformer shell is fully utilized, and the power density is higher; the high-voltage power unit and the low-voltage power unit of the power device can be respectively and independently assembled and tested, the high-voltage power unit, the low-voltage power unit, the inductor and the transformer can be disassembled and maintained by one person in the maintenance process, and the production, the test and the maintenance are convenient and fast.
Description
Technical Field
The invention belongs to the technical field of power supplies, and particularly relates to a data center power supply split type power device.
Background
With the rapid development of information technologies such as the internet of things, big data, artificial intelligence and 5G, a distributed data center will become a development trend.
The major improvement of the efficiency and the space utilization rate of the power supply system by means of reducing power transmission and distribution links, shortening power distribution links, reducing the number of electric energy conversion stages and the like becomes the mainstream trend of the power supply development of the data center. Currently, a data center power supply mainly has two schemes of a UPS and an HVDC (a Panama power supply is an HVDC); all adopt integral type structure, it is bulky, monomer weight is heavier, also maintains unchanged when damaging.
Disclosure of Invention
The invention aims to provide a split type power device of a data center power supply to solve the technical problems of large size and inconvenient maintenance of the conventional integrated data center power supply.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a data center power supply split type power device comprises a high-voltage power unit, a low-voltage power unit and a transformer;
the high-voltage power unit, the low-voltage power unit and the transformer are all independently packaged devices;
the input end of the high-voltage power unit is connected with an alternating-current power supply, the output end of the high-voltage power unit is connected with the high-voltage end of the transformer, and the low-voltage end of the transformer is connected with the input end of the low-voltage power unit.
The invention further improves the following steps: the high-voltage power unit comprises a high-voltage power unit case and a power device packaged in the high-voltage power unit case; a high-voltage external power terminal and a high-voltage internal power terminal are arranged outside the high-voltage power unit case;
the low-voltage power unit comprises a low-voltage power unit case and a power device packaged in the low-voltage power unit case; a low-voltage external power terminal and a low-voltage internal power terminal are arranged outside the low-voltage power unit case;
the high-voltage external power terminal of the high-voltage power unit is connected with an alternating-current power supply, the low-voltage external power terminal of the low-voltage power unit is connected with a direct-current power supply, the high-voltage internal power terminal of the high-voltage power unit is connected with the high-voltage end of the transformer, and the low-voltage internal power terminal of the low-voltage power unit is connected with the low-voltage end of the transformer.
The invention further improves the following steps: the transformer is an isolation transformer.
The invention further improves the following steps: the front panel of the high-voltage power unit case is provided with a high-voltage air inlet, and the rear panel of the high-voltage power unit case is provided with a high-voltage air outlet; the high-voltage air outlet is opposite to the transformer.
The invention further improves the following steps: the front panel of the low-voltage power unit case is provided with a low-voltage air inlet, and the rear panel of the low-voltage power unit case is provided with a low-voltage air outlet; the low-voltage air outlet is opposite to the transformer.
The invention further improves the following steps: the power cabinet is also included; the high-voltage power unit, the low-voltage power unit and the transformer are arranged in the power cabinet; and a heat radiation fan is arranged at the top of the power cabinet.
The invention further improves the following steps: the high-voltage external power terminal of the high-voltage power unit is connected with a 10kV alternating current power supply, and the low-voltage external power terminal of the low-voltage power unit is connected with a 240V direct current power supply.
The invention further improves the following steps: handles are arranged outside the high-voltage power unit case and the low-voltage power unit case.
The invention further improves the following steps: a radiator is arranged in the high-voltage power unit case; a radiator is arranged in the low-voltage power unit case.
The invention further improves the following steps: further comprising an inductor; the high-voltage external power terminal of the high-voltage power unit is connected with a 10kV alternating current power supply, and the low-voltage external power terminal of the low-voltage power unit is connected with a 240V direct current power supply; the high-voltage internal power terminal of the high-voltage power unit is connected with two wiring terminals at the high-voltage end of the transformer, an inductor is connected in series between one low-voltage internal power terminal of the low-voltage power unit and one wiring terminal at the low-voltage end of the connecting transformer, and the other low-voltage internal power terminal of the low-voltage power unit is connected with the other wiring terminal at the low-voltage end of the connecting transformer.
Compared with the prior art, the invention has the following beneficial effects:
1. the high-voltage power unit and the low-voltage power unit are electrically isolated by 10kV through the transformer, the insulation of the transformer shell is fully utilized, and the power density is higher;
2. the high-voltage power unit and the low-voltage power unit of the power device can be respectively and independently assembled and tested, the high-voltage power unit, the low-voltage power unit, the inductor and the transformer can be disassembled and maintained by one person in the maintenance process, and the production, the test and the maintenance are convenient and fast;
3. the high-voltage power unit case and the low-voltage power unit case of the power device adopt a sheet metal structure, so that the cost is low;
4. the high-voltage power unit and the low-voltage power unit of the power device respectively supply air and discharge air in the middle, and the transformer can be cooled, so that a cooling air channel is shortened, the wind resistance is reduced, the cooling efficiency is improved, meanwhile, the transformer can be better cooled, and the working stability of a system can be improved.
Drawings
FIG. 1 is a schematic diagram of a split power device of a data center power supply according to the present invention, wherein a low voltage power unit faces forward;
FIG. 2 is a schematic diagram of a split-type power device of a data center power supply according to the present invention, wherein the high voltage power unit faces forward;
fig. 3 is a schematic structural diagram of a data center power supply split type power device of the present invention, in which an air inlet surface of a high-voltage radiator and an air inlet surface of a low-voltage radiator are shown.
In the figure: 1-a high voltage power unit; 2-a low voltage power unit; 3-an inductor; 4-a transformer; 12-high voltage external power terminal; 13-a handle; 14-high voltage internal power terminals; 15-high pressure air inlet; 16-a high-pressure air outlet; 22-low voltage external power terminals; 24-low voltage internal power terminals; 25-low pressure air inlet; 26-high pressure air inlet.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Referring to fig. 1, the present invention provides a data center power split type power device, including: a high voltage power unit 1, a low voltage power unit 2, an inductor 3 and a transformer 4.
The high-voltage power unit 1 and the low-voltage power unit 2 are independently packaged and can be respectively and independently assembled and tested; the high-voltage power unit 1 comprises a case, and one or more of an IGBT, a capacitor, an IGBT driving circuit board, a high-voltage power unit control circuit board, a contactor driving board, and a heat sink mounted in the case. The low voltage power unit 2 includes a chassis, and one or more of an IGBT, a capacitor, an IGBT driver circuit board, a low voltage power unit control circuit board, and a heat sink mounted within the chassis.
The high-voltage external power terminal 12 and the high-voltage internal power terminal 14 are arranged outside the case of the high-voltage power unit 1, and the handle 13 is arranged on the end face of the case, so that the high-voltage power unit 1 can be conveniently detached and carried independently. The low-voltage external power terminal 22 and the low-voltage internal power terminal 24 are arranged outside the case of the low-voltage power unit 2, and the handle 13 is also arranged on the end face of the case, so that the low-voltage power unit 1 can be conveniently detached and carried independently.
In the power cabinet, a high-voltage external power terminal 12 of a high-voltage power unit 1 is connected with a 10kV alternating current power supply, a low-voltage external power terminal 22 of a low-voltage power unit 2 is connected with a 240V direct current power supply, a high-voltage internal power terminal 14 of the high-voltage power unit 1 is connected with two wiring terminals at the high-voltage end of a transformer 4, an inductor 3 is connected in series between one low-voltage internal power terminal 24 of the low-voltage power unit 2 and one wiring terminal at the low-voltage end of the connecting transformer 4, and the other low-voltage internal power terminal 24 of the low-voltage power unit 2 is connected with the other wiring terminal at the low-voltage end of the connecting transformer 4.
The high and low power units are connected by a transformer 4. In a specific embodiment, the transformer 4 is an isolation transformer, and 10kV electrical isolation is realized.
The inductor 3 and the transformer 4 can be independently fixed in a power cabinet and are electrically connected with the high-voltage power unit 1 and the low-voltage power unit 2 through copper bars.
The front panel of the chassis of the high-voltage power unit 1 is provided with a high-voltage air inlet 15, and the rear panel is provided with a high-voltage air outlet 16. Air passes through the front panel air inlet 15 and reaches the rear panel air outlet 16 through the radiator fins inside the high-voltage power unit 1 to realize heat dissipation of the high-voltage power unit 1; a low-voltage air inlet 25 is arranged on the front panel of the chassis of the low-voltage power unit 2, and a low-voltage air outlet 26 is arranged on the rear panel; the air passes through the front panel low-pressure air inlet 25 and reaches the rear panel low-pressure air outlet 26 through the internal radiator fins of the low-pressure power unit to realize the heat dissipation of the low-pressure power unit 2.
In the power cabinet, air reaches the transformer 4 through the high-voltage power unit 1 and the low-voltage power unit 2, is discharged by a heat radiation fan at the top of the power cabinet, and meanwhile, heat radiation of the transformer 4 is realized.
The high-voltage power unit 1, the low-voltage power unit 2, the inductor 3 and the transformer 4 are respectively and independently fixed in the power cabinet through corresponding fixing hole positions, each unit can be independently disassembled and assembled, and the disassembly, assembly and maintenance can be realized by a single person.
The fixed position of the inductor 3 can be adjusted according to the structural layout of the power cabinet, and the inductor is flexibly installed.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. A data center power split type power device is characterized by comprising a high-voltage power unit (1), a low-voltage power unit (2) and a transformer (4);
the high-voltage power unit (1), the low-voltage power unit (2) and the transformer (4) are all independently packaged devices;
the input end of the high-voltage power unit (1) is connected with an alternating current power supply, the output end of the high-voltage power unit (1) is connected with the high-voltage end of the transformer (4), and the low-voltage end of the transformer (4) is connected with the input end of the low-voltage power unit (2).
2. The data center power split type power device according to claim 1, wherein the high-voltage power unit (1) comprises a high-voltage power unit case and a power device packaged in the high-voltage power unit case; a high-voltage external power terminal (12) and a high-voltage internal power terminal (14) are arranged outside the high-voltage power unit case;
the low-voltage power unit (2) comprises a low-voltage power unit case and a power device packaged in the low-voltage power unit case; a low-voltage external power terminal (22) and a low-voltage internal power terminal (24) are arranged outside the low-voltage power unit case;
a high-voltage external power terminal (12) of a high-voltage power unit (1) is connected with an alternating current power supply, a low-voltage external power terminal (22) of a low-voltage power unit (2) is connected with a direct current power supply, a high-voltage internal power terminal (14) of the high-voltage power unit (1) is connected with a high-voltage end of a transformer (4), and a low-voltage internal power terminal (24) of the low-voltage power unit (2) is connected with a low-voltage end of the transformer (4).
3. The data center power split type power device according to claim 1, wherein the transformer (4) is an isolation transformer.
4. The split power device of the power supply of the data center according to claim 2, wherein the front panel of the high-voltage power unit cabinet is provided with a high-voltage air inlet (15), and the rear panel of the high-voltage power unit cabinet is provided with a high-voltage air outlet (16); the high-pressure air outlet (16) is opposite to the transformer (4).
5. The split power supply device of claim 2, wherein the front panel of the low-voltage power unit cabinet is provided with a low-voltage air inlet (25), and the rear panel of the low-voltage power unit cabinet is provided with a low-voltage air outlet (26); the low-voltage air outlet (26) is opposite to the transformer (4).
6. The data center power split type power device according to claim 4 or 5, further comprising a power cabinet; the high-voltage power unit (1), the low-voltage power unit (2) and the transformer (4) are arranged in the power cabinet; and a heat radiation fan is arranged at the top of the power cabinet.
7. The split type power device of the power supply of the data center as claimed in claim 2, wherein the high-voltage external power terminal (12) of the high-voltage power unit (1) is connected with a 10kV alternating current power supply, and the low-voltage external power terminal (22) of the low-voltage power unit (2) is connected with a 240V direct current power supply.
8. The split data center power supply power device of claim 2, wherein handles (13) are provided on the exterior of both the high-voltage power unit case and the low-voltage power unit case.
9. The split data center power supply power plant of claim 2, wherein a heat sink is disposed in the high voltage power unit cabinet; a radiator is arranged in the low-voltage power unit case.
10. The data center power split type power device according to claim 2, further comprising an inductor (3); a high-voltage external power terminal (12) of the high-voltage power unit (1) is connected with a 10kV alternating-current power supply, and a low-voltage external power terminal (22) of the low-voltage power unit (2) is connected with a 240V direct-current power supply; a high-voltage internal power terminal (14) of the high-voltage power unit (1) is connected with two wiring terminals of a high-voltage end of the transformer (4), an inductor (3) is connected in series between one low-voltage internal power terminal (24) of the low-voltage power unit (2) and one wiring terminal of a low-voltage end of the connecting transformer (4), and the other low-voltage internal power terminal (24) of the low-voltage power unit (2) is connected with the other wiring terminal of the low-voltage end of the connecting transformer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211355709.4A CN115664178A (en) | 2022-11-01 | 2022-11-01 | Split type power device of data center power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211355709.4A CN115664178A (en) | 2022-11-01 | 2022-11-01 | Split type power device of data center power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115664178A true CN115664178A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211355709.4A Pending CN115664178A (en) | 2022-11-01 | 2022-11-01 | Split type power device of data center power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115664178A (en) |
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2022
- 2022-11-01 CN CN202211355709.4A patent/CN115664178A/en active Pending
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