High-voltage direct-current power supply cabinet

Abstract

The utility model discloses a high-voltage direct-current power supply cabinet, and belongs to the technical field of cabinets. An AC PDU unit, a DC PDU unit, a power distribution busbar, at least one power supply plug-in frame and a power supply cabinet monitoring device are arranged in a cabinet body of the high-voltage DC power supply cabinet. The AC PDU unit and the DC PDU unit are arranged at the upper part of the cabinet body in a back-to-back manner, and the power plug-in frame is arranged at the lower part of the cabinet body; the AC PDU unit, the DC PDU unit and the power supply plug-in frame are installed in the cabinet body in a sliding mode through the guide rails. The modularized AC PDU, the modularized DC PDU, the modularized PSU, the modularized BBU, the modularized CBU and the modularized monitoring device are integrated in the same cabinet, so that the power density of the power supply cabinet is improved, the power supply continuity and the power supply reliability are improved, all modules can be subjected to plugging maintenance, the installation and maintenance difficulty of the system is reduced, the number of input and output paths can be flexibly configured according to actual requirements, and the flexibility of system configuration is improved.

Description

Technical Field

[0001] This utility model relates to the field of cabinet technology, and in particular to a high-voltage DC power supply cabinet. Background Technology

[0002] With the rapid development of AI technology, data centers are increasingly demanding higher standards in terms of energy efficiency, power density, power supply continuity, and power utilization efficiency. Simultaneously, technological advancements and the application of renewable energy are driving a continuous increase in the demand for HVDC (High Voltage Direct Current) power supplies in data centers. However, traditional HVDC power supplies, due to limitations in voltage rating, power density, and power supply continuity, cannot fully meet the application requirements of modern data centers. Specifically, traditional HVDC power supplies typically output DC 240V and have the following shortcomings:

[0003] 1. Insufficient power density: AI data centers have high power density requirements for power supply products, but traditional HVDC power supplies with DC 240V output cannot meet the needs of future high-density computing devices.

[0004] 2. Size and economic issues: Traditional HVDC power supplies are not economical and efficient when deployed in AI data centers due to their large size, which increases space costs and maintenance difficulty.

[0005] 3. High requirements for power supply continuity: AI data centers have extremely high requirements for power supply continuity. Any brief power outage may lead to data loss or service interruption, and traditional HVDC power supplies perform poorly in this regard.

[0006] Given the aforementioned issues, existing HVDC solutions are ill-suited to the rapidly evolving AI data center environment. Utility Model Content

[0007] To address the aforementioned problems in existing technologies, this invention comprehensively considers requirements such as power density, maintainability, and power supply continuity, and proposes a modular HVDC cabinet design. This design aims to provide higher power density, better economy, and stronger power supply continuity to meet the DC power supply needs of data centers in the context of rapid AI development.

[0008] The technical solution of this utility model is as follows: a high voltage DC power supply cabinet is provided, the high voltage DC power supply cabinet includes a cabinet body, and the cabinet body is provided with an AC PDU unit, a DC PDU unit, a power distribution busbar, at least one power socket frame and a power supply cabinet monitoring device.

[0009] The AC PDU unit and the DC PDU unit are arranged back-to-back on the upper part of the cabinet, and the power socket is arranged on the lower part of the cabinet;

[0010] The AC PDU unit, DC PDU unit, and power socket are all slidably installed in the cabinet via guide rails;

[0011] The AC PDU unit is provided with multiple AC PDU mounting slots for accommodating AC PDU modules; the DC PDU unit is provided with multiple DC PDU mounting slots for accommodating DC PDU modules.

[0012] The power supply frame is equipped with a pluggable PSU module, BBU module, and CBU module;

[0013] The AC PDU module is provided with an AC PDU input terminal; the DC PDU module is provided with a DC PDU output terminal.

[0014] This utility model integrates modular AC PDU, DC PDU, PSU, BBU, CBU, and monitoring devices into the same cabinet, which improves the power density of the power cabinet, enhances power supply continuity and reliability, allows all modules to be plugged in and out for maintenance, reduces the difficulty of system installation and maintenance, and enables flexible configuration of input and output channels according to actual needs, thus improving the flexibility of system configuration.

[0015] In the high-voltage DC power supply cabinet of this utility model, the cabinet body includes a front door panel, a rear door panel, a top panel, a bottom panel, a left side panel, and a right side panel. A power supply monitoring device is installed inside the front door panel. Two uprights and multiple sets of support rails are installed on the left side panel and the right side panel along the height of the cabinet. The top panel has slots for external terminals.

[0016] The uprights and rails allow the AC PDU units, DC PDU units, and power supply bays to slide smoothly into the cabinet, facilitating installation and maintenance. External terminals extend from the cabinet via slots, simplifying wiring and maintenance.

[0017] In the high-voltage DC power supply cabinet of this utility model, the AC PDU unit includes an AC PDU unit housing, which is the outer shell of the AC PDU unit. The AC PDU unit housing is a cuboid structure with openings on both sides. An AC PDU output terminal fixing bracket is provided at the bottom of the side facing the rear door panel of the high-voltage DC power supply cabinet. Inside the AC PDU unit housing, multiple first partitions are arranged parallel and evenly along the width direction of the cabinet. The multiple first partitions divide the internal space of the AC PDU unit housing into multiple AC PDU mounting slots of the same size. One AC PDU module can be inserted into each AC PDU mounting slot. An AC PDU module guide slot is also provided on the first partition. A first guide rail is provided at the bottom of the AC PDU unit housing.

[0018] The vertically arranged first partition divides the space inside the AC PDU unit housing into multiple AC PDU mounting slots, increasing the power utilization area. The AC PDU module guide slots facilitate the insertion, removal, and fixation of the AC PDU.

[0019] In the high-voltage DC power supply cabinet of this utility model, the AC PDU module includes an AC PDU module housing, which is a cuboid structure with openings on both sides, including an AC PDU module top plate, an AC PDU module bottom plate, an AC PDU module front panel, and an AC PDU module rear panel; the upper part of the outer side of the AC PDU module rear panel is provided with AC PDU input terminals, and the lower part is provided with AC PDU output terminals; the AC PDU output terminals are fixed by AC PDU output terminal fixing brackets; the AC PDU input terminals extend out of the cabinet body from the external terminal slot of the high-voltage DC power supply cabinet; the outer side of the AC PDU module front panel is provided with an AC PDU handle, an AC PDU locking and assist mechanism; an AC input protection device status monitoring board is detachably installed inside the AC PDU module housing, and an AC input protection device status indicator light is also provided on the front panel of the AC PDU module.

[0020] The AC PDU module housing has AC PDU input and output terminals on the side facing the cabinet for easy wiring. The side facing the cabinet door has a handle, locking mechanism, and assistance mechanism for easy installation and removal. The AC input protection device status monitoring board facilitates real-time acquisition of the AC PDU module's operating status, and the AC input protection device status indicator light provides a clear view of the AC PDU module's operating status.

[0021] In the high-voltage DC power supply cabinet of this utility model, the AC PDU module housing is provided with an AC input conductor, an AC output conductor, an AC input protection device, and an AC input protection device support; one end of the AC input conductor is connected to the AC PDU input terminal, and the other end is connected to the AC PDU output terminal in sequence via the AC input protection device and the AC output conductor.

[0022] The AC input protection device support provides support for the AC input protection device, which protects against abnormal conditions such as overcurrent, overload, and short circuit within the AC input protection device, thereby improving system safety.

[0023] In the high-voltage DC power supply cabinet of this utility model, the DC PDU unit includes a DC PDU unit housing, which is the outer shell of the DC PDU unit. The DC PDU unit housing is a cuboid structure with openings on both sides. Inside the DC PDU unit housing, a plurality of second partitions are arranged parallel and evenly along the width direction of the cabinet. The plurality of second partitions divide the internal space of the DC PDU unit housing into a plurality of DC PDU mounting slots of the same size. One DC PDU module can be inserted into each DC PDU mounting slot. The second partitions are provided with DC PDU module guide slots, and the DC PDU module is inserted into the DC PDU mounting slot through the DC PDU module guide slots. A second guide rail is provided at the bottom of the DC PDU unit housing.

[0024] The vertically arranged second partition divides the space inside the DC PDU unit housing into multiple DC PDU mounting slots, increasing the power utilization area. The DC PDU module guide slots facilitate the insertion, removal, and fixation of the DC PDU.

[0025] In the high-voltage DC power supply cabinet of this utility model, the DC PDU module includes a DC PDU module housing, which is a cuboid structure with openings on both sides, including a DC PDU module top plate, a DC PDU module bottom plate, a DC PDU module front panel, and a DC PDU module rear panel; the upper part of the outer side of the rear panel of the DC PDU module is provided with a DC PDU output terminal, and the lower part is provided with a DC PDU input terminal; the DC PDU output terminal extends out of the cabinet body from the external terminal slot of the high-voltage DC power supply cabinet; the outer side of the front panel of the DC PDU module is provided with a DC PDU handle, a DC PDU locking and assist mechanism, and a DC PDU control switch; a DC signal monitoring board is pluggably installed inside the DC PDU module housing.

[0026] The DC PDU module housing has DC PDU input and output terminals on the side facing the cabinet for easy wiring. The side facing the cabinet door has a handle, locking mechanism, and assistance mechanism for easy installation and removal. The DC signal monitoring board facilitates real-time acquisition of the AC PDU module's operating status.

[0027] In the high-voltage DC power supply cabinet of this utility model, the DC PDU module housing is provided with a DC protection device, a DC power disconnect device, a DC conductor, and an auxiliary power supply; one end of the DC PDU input terminal is connected to the distribution busbar, and the other end is connected to the DC protection device via the DC conductor; the other end of the DC protection device is connected to one end of the DC power disconnect device via the DC conductor; the other end of the DC power disconnect device is connected to the DC PDU output terminal; the DC power disconnect device is powered by the auxiliary power supply; the DC PDU control switch is used to control the on / off state of the DC power disconnect device; the DC PDU control switch is also provided with a limit mechanism; when the DC power disconnect device is in the on state, the limit mechanism is used to lock the position of the DC PDU module.

[0028] DC protection devices protect against abnormal conditions such as overcurrent, overload, and short circuit within the DC PDU, improving system safety. DC PDU control switches are used to control the on / off state of the DC power disconnecting devices, enabling manual power distribution.

[0029] In the high-voltage DC power supply cabinet of this utility model, the power supply frame includes a power supply frame housing, a third guide rail is provided at the bottom of the power supply frame housing, the power supply frame housing is a cuboid structure with one open side facing the front door panel of the high-voltage DC power supply cabinet, the power supply frame housing is provided with a PSU mounting slot, a BBU mounting slot and a CBU mounting slot, and an AC input connector and a DC output connector are provided on the outer side of the rear panel of the power supply frame housing, the AC input connector is connected to the output end of the AC PDU unit through a cable, and the DC output connector is connected to the power distribution busbar.

[0030] The PSU module converts AC power to DC power, while the BBU and CBU modules provide short-term backup power, ensuring the continuity, stability, and safety of the system's power supply.

[0031] In the high-voltage DC power supply cabinet of this utility model, a communication device is provided on the upper part of the power supply frame, and the communication device obtains power from the power distribution busbar.

[0032] Integrating communication equipment into the power cabinet can provide external communication functions for the power cabinet monitoring device, which is beneficial for the external main monitoring to obtain the working status of the power cabinet in real time. Attached Figure Description

[0033] Figure 1 A front view of a high-voltage DC power supply cabinet provided for an embodiment of this utility model.

[0034] Figure 2 Rear view of the high-voltage DC power supply cabinet provided for an embodiment of this utility model.

[0035] Figure 3 A schematic diagram of the empty cabinet structure of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0036] Figure 4-5 A three-dimensional structural diagram of the AC PDU unit of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0037] Figure 6 A schematic diagram of the AC PDU unit housing structure of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0038] Figure 7 A partial structural diagram of the AC PDU locking and assist mechanism of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0039] Figure 8 A three-dimensional structural diagram of the AC PDU module of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0040] Figure 9-10 A three-dimensional structural diagram of the DC PDU unit of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0041] Figure 11 A three-dimensional structural diagram of the DC PDU module of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0042] Figure 12 A three-dimensional cross-sectional view of the DC PDU module of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0043] Figure 13 for Figure 12 A magnified schematic diagram of part A in the middle.

[0044] Figure 14-15 A three-dimensional structural diagram of the power supply frame of the high-voltage DC power supply cabinet provided in this embodiment of the utility model.

[0045] In the attached diagram:

[0046] 100. Cabinet body; 101. Front door panel of power cabinet; 102. Rear door panel of power cabinet; 103. Top panel of power cabinet; 104. Bottom panel of power cabinet; 105. Left side panel of power cabinet; 106. Right side panel of power cabinet; 107. Feet; 108. Casters; 109. Door lock; 110. Fan; 111. Monitoring device of power cabinet; 112. Upright column; 113. External terminal slot of power cabinet;

[0047] 200. AC PDU unit; 201. AC PDU unit housing; 202. AC PDU output terminal mounting bracket; 203. First partition; 204. AC PDU mounting slot; 205. AC PDU module guide slot; 206. First guide rail;

[0048] 207. AC PDU module; 208. AC PDU module housing; 209. AC PDU module top plate; 210. AC PDU module bottom plate; 211. AC PDU module front panel; 212. AC PDU module rear panel; 213. AC PDU input terminal; 214. AC PDU output terminal; 215. AC PDU handle; 216. AC PDU locking and assist mechanism; 217. AC input conductor; 218. AC output conductor; 219. AC input protection device; 220. AC input protection device support; 221. AC input protection device status monitoring board; 222. AC input protection device status indicator light;

[0049] 300. DC PDU unit; 301. DC PDU unit housing; 302. Second guide rail;

[0050] 303. DC PDU module; 304. DC PDU module housing; 305. DC PDU module top plate; 306. DC PDU module bottom plate; 307. DC PDU module front panel; 308. DC PDU module rear panel; 309. DC PDU output terminals; 310. First part of DC PDU output terminals; 311. Second part of DC PDU output terminals; 312. Third part of DC PDU output terminals; 313. DC PDU input terminals; 314. DC PDU handle; 315. DC PDU locking and assist mechanism; 316. DC PDU control switch; 317. DC protection device; 318. DC power disconnect device; 319. DC conductor; 320. Auxiliary power supply; 321. DC signal monitoring board;

[0051] 400. Power distribution busbar;

[0052] 500. Power supply frame; 501. Power supply frame housing; 502. Third guide rail; 503. AC input connector; 504. DC output connector; 505. PSU module; 506. BBU module; 507. CBU module; 508. Power supply frame monitoring module;

[0053] 600. Communication equipment. Detailed Implementation

[0054] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0055] The AC PDU (Alternating Current Power Distribution Unit), DC PDU (Direct Current Power Distribution Unit), PSU (Power Supply Unit), BBU (Battery Backup Unit), and CBU (Supercapacitor Backup Unit) in the high-voltage DC power supply cabinet provided by this utility model adopt a modular design, which effectively improves power density and is suitable for scenarios with high demand for high-voltage DC power, such as data center server rooms.

[0056] like Figures 1-13 As shown, this utility model embodiment provides a high voltage DC power supply cabinet, which includes a cabinet body 100. The cabinet body 100 is provided with an AC PDU unit 200, a DC PDU unit 300, a power distribution busbar 400, at least one power socket 500, and a power supply cabinet monitoring device 111.

[0057] The AC PDU unit 200 and the DC PDU unit 300 are arranged back-to-back on the upper part of the cabinet 100, and the power socket 500 is arranged on the lower part of the cabinet.

[0058] The AC PDU unit 200 and the DC PDU unit 300 are arranged back-to-back on the upper part of the cabinet 100, and are basically at the same height, which facilitates wiring for users and improves the utilization efficiency of the space inside the cabinet 100.

[0059] The AC PDU unit 200, the DC PDU unit 300, and the power socket 500 are all slidably installed inside the cabinet 100 via guide rails.

[0060] The AC PDU unit 200 includes an AC PDU unit housing 201, and the AC PDU unit housing 201 is provided with a plurality of AC PDU mounting slots 204, each of which can accommodate an AC PDU module 207.

[0061] The DC PDU unit 300 includes a DC PDU unit housing 301, and the DC PDU unit housing 301 is provided with a plurality of DC PDU mounting slots, each of which can accommodate a DC PDU module 303.

[0062] The power supply frame 500 contains a pluggable PSU module 505, a BBU module 506, and a CBU module 507.

[0063] The AC PDU module 207 includes an AC PDU module housing 208, and an AC PDU input terminal 213 is provided on the outside of the AC PDU module housing 208 for connecting to an AC power source; the DC PDU module 303 includes a DC PDU module housing 304, and a DC PDU output terminal 309 is provided on the outside of the DC PDU module housing 304 for connecting to a high-voltage DC power supply.

[0064] Both the AC PDU input terminal 213 and the DC PDU output terminal 309 are connected to the outside via a terminal plug-in method, which improves the convenience of installation and wiring.

[0065] In this embodiment of the present invention, the AC PDU module 207, DC PDU module 303, power supply frame 500, PSU module 505, BBU module 506, and CBU module 507 are all designed to be pluggable. The number of AC PDU modules 207, DC PDU modules 303, and power supply frames 500 can be flexibly configured according to the size and capacity of the cabinet 100. Figure 1 The CCP has configured 10 power sockets, each with 4 BBU / CBU mounting slots. Figures 4-5 It is configured with 10 AC PDU modules. Figures 9-10 It is equipped with 10 DC PDU modules.

[0066] like Figures 1-3As shown in the embodiment of this utility model, the cabinet 100 of the high-voltage DC power supply cabinet is a cubic structure formed by multiple panels, including a front door panel 101, a rear door panel 102, a top panel 103, a bottom panel 104, a left side panel 105, and a right side panel 106. The four corners of the outward-facing side of the bottom panel 104 are provided with feet 107 and casters 108. Both the front door panel 101 and the rear door panel 102 are equipped with door locks 109. A fan 110 is located on the upper inner side of the front door panel 101, and a power supply monitoring device 111 is located in the middle. Ventilation mesh is provided on the surfaces of both the front door panel 101 and the rear door panel 102. The fan 110 is positioned opposite the AC PDU unit for rapid heat dissipation. The power cabinet adopts a front and rear double door design, with the AC PDU unit 200 and power socket 500 facing the front door and the DC PDU unit 300 facing the rear door. This design greatly facilitates the installation and maintenance of each functional module.

[0067] like Figure 3 As shown, two uprights 112 are each installed on the left side panel 105 and the right side panel 106 of the high-voltage DC power supply cabinet along the height direction of the cabinet body 100. The uprights 112 on the left and right sides are symmetrically arranged. One set of uprights 112 is close to the front door panel 101 of the high-voltage DC power supply cabinet, and the other set of uprights 112 is close to the rear door panel 102 of the high-voltage DC power supply cabinet. Multiple sets of support rails are also installed on the left side panel 105 and the right side panel 106 of the high-voltage DC power supply cabinet along the height direction of the cabinet body 100. The two ends of the support rails are respectively fixed to the two sets of uprights 112. The support rails 112 are used for sliding connection with the guide rails of the AC PDU unit 200, the DC PDU unit 300, and the power supply frame 500.

[0068] like Figures 4-6As shown in the embodiment of this utility model, the AC PDU unit housing 201 is the outer shell of the AC PDU unit 200. The AC PDU unit housing 201 is a cuboid structure with openings on both sides. One opening faces the front door panel 101 of the high-voltage DC power supply cabinet, and the other opening faces the rear door panel 102 of the high-voltage DC power supply cabinet. An AC PDU output terminal fixing bracket 202 is provided at the bottom of the side facing the rear door panel 102 of the high-voltage DC power supply cabinet. Inside the AC PDU unit housing 201, a plurality of first partitions 203 are arranged parallel and evenly along the width direction of the cabinet 100. The plurality of first partitions 203 divide the internal space of the AC PDU unit housing 201 into a plurality of AC PDU mounting slots 204 of the same size. One AC PDU module 207 can be inserted into each AC PDU mounting slot 204. The first partition 203 is provided with an AC PDU module guide groove 205, through which the AC PDU module 207 is inserted into the AC PDU mounting groove 204. The bottom of the AC PDU unit housing 201 is provided with a first guide rail 206.

[0069] like Figures 7-8 As shown in the embodiment of this utility model, the AC PDU module 207 includes an AC PDU module housing 208, which is a cuboid structure with openings on both sides. It includes an AC PDU module top plate 209, an AC PDU module bottom plate 210, an AC PDU module front panel 211, and an AC PDU module rear panel 212, the dimensions of which are adapted to the AC PDU mounting slot 204. An AC PDU input terminal 213 is provided on the upper outer side of the rear panel 212, and an AC PDU output terminal 214 is provided on the lower outer side. The AC PDU output terminal 214 is fixed by the AC PDU output terminal fixing bracket 202. An external terminal slot 113 is provided on the top plate 103 of the high-voltage DC power supply cabinet, and the AC PDU input terminal 213 extends out of the cabinet 100 from the external terminal slot 113. The AC PDU input terminal 213 includes an AC PDU input terminal male connector and an AC PDU input terminal female connector connected to each other. The AC PDU input terminal female connector is fixed to the AC PDU module housing 208 through a reserved mounting hole. The AC PDU input terminal male connector extends out of the cabinet 100 for connecting to AC power.

[0070] like Figures 7-8As shown in this embodiment of the present invention, the AC PDU module front panel 211 is provided with an AC PDU handle 215 and an AC PDU locking and assist mechanism 216 on the outer side. The AC PDU locking and assist mechanism 216 is generally L-shaped. One side of the L-shape is fixed to the AC PDU module front panel 211 by screws, and the other end of the L-shape is provided with a locking hook. The locking hook cooperates with the AC PDU module guide groove 205, and the AC PDU module 207 is locked and unlocked through the lever principle, which reduces the difficulty of maintenance and installation.

[0071] like Figure 8 As shown in the embodiment of this utility model, the AC PDU module housing 208 is provided with an AC input conductor 217, an AC output conductor 218, an AC input protection device 219, and an AC input protection device support 220. The AC input conductor 217 and the AC output conductor 218 include, but are not limited to, cables and copper busbars. The AC input protection device 219 includes, but is not limited to, fuses, circuit breakers, and other protection units. The AC input protection device support 220 provides support for the AC input protection device 219. One end of the AC input conductor 217 is connected to the AC PDU input terminal 213, and the other end is connected to the AC PDU output terminal 214 via the AC input protection device 219 and the AC output conductor 218 in sequence. The AC input protection device 219 is used to protect against abnormal states such as overcurrent, overload, and short circuit in the AC PDU module 207.

[0072] like Figure 8 As shown, in some embodiments of this utility model, an AC input protection device status monitoring board 221 is detachably disposed inside the AC PDU module housing 208, and an AC input protection device status indicator light 222 is also disposed on the front panel 211 of the AC PDU module; the input end of the AC input protection device status monitoring board 221 is connected to the AC input protection device 219 via a cable, for monitoring the working status of the AC input protection device 219 and feeding back the working status to the high voltage DC power supply cabinet monitoring device 111; the AC input protection device status indicator light 222 is connected to the output end of the AC input protection device status monitoring board 221, for indicating the working status of the AC input protection device 219 by different colors.

[0073] like Figures 9-10As shown in the embodiment of this utility model, the DC PDU unit housing 301 is the outer shell of the DC PDU unit 300. The DC PDU unit housing 301 is a cuboid structure with openings on both sides, one opening facing the rear door panel 102 of the high-voltage DC power supply cabinet, and the other opening facing the front door panel 101 of the high-voltage DC power supply cabinet. Inside the DC PDU unit housing 301, a plurality of second partitions are arranged parallel and evenly along the width direction of the cabinet 100. The plurality of second partitions divide the internal space of the DC PDU unit housing into a plurality of DC PDU mounting slots of the same size, and one DC PDU module 303 can be inserted into each DC PDU mounting slot. The second partitions are provided with DC PDU module guide slots, and the DC PDU module 303 is inserted into the DC PDU mounting slot through the DC PDU module guide slots. A second guide rail 302 is provided at the bottom of the DC PDU unit housing 301.

[0074] like Figures 11-13 As shown in the embodiment of this utility model, the DC PDU module 303 includes a DC PDU module housing 304, which is a cuboid structure with openings on both sides. The housing includes a top plate 305, a bottom plate 306, a front panel 307, and a rear panel 308, the dimensions of which are adapted to the DC PDU mounting slot. A DC PDU output terminal 309 is provided on the upper outer side of the rear panel 308, and a DC PDU input terminal 313 is provided on the lower outer side. The DC PDU output terminal 309 is floating, ensuring reliable insertion of the DC PDU module 303. The DC PDU output terminal 309 includes a first DC PDU output terminal 310, a second DC PDU output terminal 311, and a third DC PDU output terminal 312 connected in sequence. The third DC PDU output terminal 312 is located on the upper outer side of the rear panel 308 of the DC PDU module. The power cabinet is connected to the electrical equipment through the third DC PDU output terminal 312. The first DC PDU output terminal 310 and the second DC PDU output terminal 311 extend out of the cabinet body 100 from the external terminal slot 313 of the high-voltage DC power cabinet. The outer side of the front panel 307 of the DC PDU module is provided with a DC PDU handle 314, a DC PDU locking and assist mechanism 315, and a DC PDU control switch 316. The DC PDU locking and assist mechanism 315 and the AC PDU locking and assist mechanism 216 have the same structure and working principle.

[0075] like Figures 11-13As shown in this embodiment of the present invention, the DC PDU module housing 304 is provided with a DC protection device 317, a DC power disconnect device 318, a DC conductor 319, and an auxiliary power supply 320. The DC protection device 317 is used to protect the DC PDU module 303 from abnormal states such as overcurrent, overload, and short circuit. The DC power disconnect device 318 is used to realize the power-off and power-on of the DC PDU module 303. The DC protection device 317 includes, but is not limited to, fuses, circuit breakers, and other protective devices; the DC power disconnect device 318 includes, but is not limited to, contactors, relays, and other control devices; and the DC conductor 319 includes, but is not limited to, cables and copper busbars. One end of the DC PDU input terminal 313 is connected to the power distribution busbar 400, and the other end is connected to the DC protection device 317 via the DC conductor 319. The other end of the DC protection device 317 is connected to one end of the DC power disconnect device 318 via the DC conductor 319. The other end of the DC power disconnect device 318 is connected to the DC PDU output terminal 309. The DC power disconnect device 318 is powered by the auxiliary power supply 320. The DC PDU control switch 316 is used to control the on / off state of the DC power disconnect device 318. The DC PDU control switch 316 is located at the bottom of the outer side of the front panel 307 of the DC PDU module. The DC PDU control switch 316 is also provided with a limit mechanism. When the DC power disconnect device 318 is in the on state, the limit mechanism cooperates with the bottom of the DC PDU mounting slot to lock the position of the DC PDU module 303, reducing the probability of system misoperation and improving system safety.

[0076] like Figure 11 As shown in some embodiments of this utility model, a DC signal monitoring board 321 is pluggably disposed inside the DC PDU module housing 304. The DC signal monitoring board 321 is connected to the DC protection device 317, the DC power disconnect device 318, and the auxiliary power supply 320 via cables, and is used to monitor the working status of the DC protection device 317 and the DC power disconnect device 318, and to feed back the working status to the high-voltage DC power supply cabinet monitoring device 111. The DC signal monitoring board 321 is powered by the auxiliary power supply 320.

[0077] like Figures 14-15As shown in some embodiments of this utility model, the power supply frame 500 includes a power supply frame housing 501. A third guide rail 502 is provided at the bottom of the power supply frame housing 501. The power supply frame housing 501 is a cuboid structure with one open side, facing the front door panel 101 of the high-voltage DC power supply cabinet. The power supply frame housing 501 contains a PSU mounting slot, a BBU mounting slot, and a CBU mounting slot. An AC input connector 503 and a DC output connector 504 are provided on the outer side of the rear panel of the power supply frame housing 501. The AC input connector 503 is connected to the AC PDU output terminal 214 via a cable, providing AC power input to the power supply frame 500. The DC output connector 504 is connected to the power distribution busbar 400, providing high-voltage DC power input to the DC PDU unit 300 through the power distribution busbar 400. Both the AC input connector 503 and the DC output connector 504 are connected to the external device via a terminal plug-in connection, improving the convenience of installation and wiring. The PSU mounting slot accommodates the PSU module 505, which is connected to an AC power source via the AC input connector 503 and converts the AC power into DC power. The BBU mounting slot accommodates the BBU module 506, and the CBU mounting slot accommodates the CBU module 507. The BBU module 506 and the CBU module 507 are connected to the power distribution busbar 400 and their internal batteries are charged and discharged as needed. The BBU module 506 is used for short-term power backup and data protection, while the CBU module 507 is used for instantaneous power fluctuation response and millisecond-level switching. The combined configuration of the PSU module 505, BBU module 506, and CBU module 507 provides a stable and continuous high-voltage DC power supply, ensuring power continuity. In this embodiment, the BBU module 506 and the CBU module 507 are the same size, allowing for mixed insertion and improving system configuration flexibility.

[0078] like Figure 14 As shown in some embodiments of this utility model, a power supply frame monitoring module 508 is detachably disposed within the power supply frame housing 501. The power supply frame monitoring module 508 is used to collect information from the PSU module 505, the BBU module 506, and the CBU module 507 and upload it to the high-voltage DC power supply cabinet monitoring device 111. After processing, the high-voltage DC power supply cabinet monitoring device 111 sends commands to the power supply frame monitoring module 508 to control the PSU module 505, the BBU module 506, and the CBU module 507.

[0079] like Figure 1As shown in some embodiments of this utility model, a communication device 600 is provided on the upper part of the power socket 500. The communication device 600 obtains power from the power distribution busbar 400 and is used to provide external communication services to the high-voltage DC power supply cabinet monitoring module 111. In addition to the communication device, other user equipment can also be installed in the cabinet 100 according to user needs, and this utility model does not impose any restrictions on this.

[0080] This invention integrates modular AC PDUs, DC PDUs, PSUs, BBUs, CBUs, and monitoring devices into a single cabinet, increasing the power density of the power cabinet and improving power supply continuity and reliability. All modules are pluggable for maintenance, reducing system maintenance complexity. The system allows for flexible configuration of input and output channels according to actual needs, enhancing system configuration flexibility. Applying this high-voltage DC power cabinet to data centers can significantly improve energy efficiency and operational stability, better support the deployment of high-density computing equipment, and thus drive the development of data centers towards greater efficiency and reliability.

[0081] It is understood that, in addition to the above embodiments, there are many variations of this utility model, such as swapping the positions of the AC PDU unit and the DC PDU unit, changing the locking and assist mechanism, the structure of the DC PDU control switch, changing the type of wiring terminals, etc.

[0082] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many modifications under the guidance of the present invention without departing from the spirit and scope of the claims. All of these modifications are within the protection scope of the present invention.

Claims

1. A high-voltage DC power supply cabinet, the high-voltage DC power supply cabinet comprising a cabinet body (100), characterized in that, The cabinet (100) is equipped with an AC PDU unit (200), a DC PDU unit (300), a power distribution busbar (400), at least one power socket (500), and a power cabinet monitoring device (111); The AC PDU unit (200) and the DC PDU unit (300) are arranged back-to-back on the upper part of the cabinet (100), and the power socket (500) is arranged on the lower part of the cabinet (100). The AC PDU unit (200), the DC PDU unit (300), and the power socket (500) are all slidably installed inside the cabinet (100) via guide rails; The AC PDU unit (200) is provided with a plurality of AC PDU mounting slots (204) for accommodating AC PDU modules (207); the DC PDU unit (300) is provided with a plurality of DC PDU mounting slots for accommodating DC PDU modules (303). The power supply frame (500) is provided with a pluggable PSU module (505), a BBU module (506), and a CBU module (507); The AC PDU module (207) is provided with an AC PDU input terminal (213); the DC PDU module (303) is provided with a DC PDU output terminal (309).

2. The high-voltage DC power supply cabinet according to claim 1, characterized in that, The cabinet (100) of the high-voltage DC power supply cabinet includes a front door panel (101), a rear door panel (102), a top panel (103), a bottom panel (104), a left side panel (105), and a right side panel (106). A power supply cabinet monitoring device (111) is provided inside the front door panel (101). Two uprights (112) and multiple sets of support rails are provided on the left side panel (105) and the right side panel (106) of the high-voltage DC power supply cabinet along the height direction of the cabinet (100). The top panel (103) of the high-voltage DC power supply cabinet has a slot (113) for external terminals.

3. The high-voltage DC power supply cabinet according to claim 2, characterized in that, The AC PDU unit (200) includes an AC PDU unit housing (201), which is the outer shell of the AC PDU unit (200). The AC PDU unit housing (201) is a cuboid structure with openings on both sides. An AC PDU output terminal fixing bracket (202) is provided at the bottom of the side facing the rear door panel (102) of the high-voltage DC power supply cabinet. Inside the AC PDU unit housing (201), a plurality of first partitions (203) are arranged parallel and evenly along the width direction of the cabinet (100). The plurality of first partitions (203) divide the internal space of the AC PDU unit housing (201) into a plurality of AC PDU mounting slots (204) of the same size. An AC PDU module (207) can be inserted into each AC PDU mounting slot (204). An AC PDU module guide slot (205) is also provided on the first partition (203). The bottom of the PDU unit housing (201) is provided with a first guide rail (206).

4. The high-voltage DC power supply cabinet according to claim 3, characterized in that, The AC PDU module (207) includes an AC PDU module housing (208), which is a cuboid structure with openings on both sides, including an AC PDU module top plate (209), an AC PDU module bottom plate (210), an AC PDU module front panel (211), and an AC PDU module rear panel (212). An AC PDU input terminal (213) is provided on the upper part of the outer side of the AC PDU module rear panel (212), and an AC PDU output terminal (214) is provided on the lower part. The AC PDU output terminal (214) is fixed by the AC PDU output terminal mounting bracket (202). The AC PDU input terminal (213) extends out of the cabinet (100) from the external terminal slot (113) of the high-voltage DC power supply cabinet. An AC PDU handle (215) and an AC PDU locking and assist mechanism (216) are provided on the outer side of the AC PDU module front panel (211). An AC input protection device status monitoring board (221) is detachably installed inside the PDU module housing (208), and an AC input protection device status indicator light (222) is also installed on the front panel (211) of the AC PDU module.

5. The high-voltage DC power supply cabinet according to claim 4, characterized in that, The AC PDU module housing (208) is provided with an AC input conductor (217), an AC output conductor (218), an AC input protection device (219), and an AC input protection device support (220); one end of the AC input conductor (217) is connected to the AC PDU input terminal (213), and the other end is connected to the AC PDU output terminal (214) in sequence via the AC input protection device (219) and the AC output conductor (218).

6. The high-voltage DC power supply cabinet according to claim 2, characterized in that, The DC PDU unit (300) includes a DC PDU unit housing (301), which is the outer shell of the DC PDU unit (300). The DC PDU unit housing (301) is a cuboid structure with openings on both sides. Inside the DC PDU unit housing (301), a plurality of second partitions are arranged parallel and evenly along the width direction of the cabinet (100). The plurality of second partitions divide the internal space of the DC PDU unit housing (301) into a plurality of DC PDU mounting slots of the same size. A DC PDU module (303) can be inserted into each DC PDU mounting slot. A DC PDU module guide slot is provided on the second partition. The DC PDU module (303) is inserted into the DC PDU mounting slot through the DC PDU module guide slot. A second guide rail (302) is provided at the bottom of the DC PDU unit housing (301).

7. The high-voltage DC power supply cabinet according to claim 6, characterized in that, The DC PDU module (303) includes a DC PDU module housing (304), which is a cuboid structure with openings on both sides, including a DC PDU module top plate (305), a DC PDU module bottom plate (306), a DC PDU module front panel (307), and a DC PDU module rear panel (308). The upper part of the outer side of the rear panel (308) of the DC PDU module is provided with a DC PDU output terminal (309), and the lower part is provided with a DC PDU input terminal (313). The DC PDU output terminal (309) extends out of the cabinet body from the external terminal slot (113) of the high voltage DC power supply cabinet. The outer side of the front panel (307) of the DC PDU module is provided with a DC PDU handle (314), a DC PDU locking and assist mechanism (315), and a DC PDU control switch (316). A DC signal monitoring board (321) is pluggably installed inside the DC PDU module housing (304).

8. The high-voltage DC power supply cabinet according to claim 7, characterized in that, The DC PDU module housing (304) contains a DC protection device (317), a DC power disconnect device (318), a DC conductor (319), and an auxiliary power supply (320). One end of the DC PDU input terminal (313) is connected to the power distribution busbar (400), and the other end is connected to the DC protection device (317) via the DC conductor (319). The other end of the DC protection device (317) is connected to one end of the DC power disconnect device (318) via the DC conductor (319). The other end of the DC power disconnect device (318) is connected to the DC PDU output terminal (309). The DC power disconnect device (318) is powered by the auxiliary power supply (320). The DC PDU control switch (316) is used to control the on / off state of the DC power disconnect device (318). The PDU control switch (316) is also provided with a limit mechanism. When the DC power disconnect device (318) is in the on state, the limit mechanism is used to lock the position of the DC PDU module (303).

9. The high-voltage DC power supply cabinet according to claim 2, characterized in that, The power supply frame (500) includes a power supply frame housing (501). A third guide rail (502) is provided at the bottom of the power supply frame housing (501). The power supply frame housing (501) is a cuboid structure with one open side facing the front door panel (101) of the high voltage DC power supply cabinet. The power supply frame housing (501) is provided with a PSU mounting slot, a BBU mounting slot, and a CBU mounting slot. An AC input connector (503) and a DC output connector (504) are provided on the outer side of the rear panel of the power supply frame housing (501). The AC input connector (503) is connected to the output end of the AC PDU unit (200) via a cable. The DC output connector (504) is connected to the power distribution busbar (400).

10. The high-voltage DC power supply cabinet according to claim 1, characterized in that, A communication device (600) is provided on the upper part of the power supply frame (500), and the communication device (600) obtains power from the power distribution busbar (400).

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