Abstract: The present disclosure discloses a refrigeration apparatus and a data center, where the refrigeration apparatus includes a primary heat exchanger and a secondary heat exchanger. Both the primary heat exchanger and the secondary heat exchanger are arranged in a first air duct forming an air circuit together with an inner cavity of the machine room, and the secondary heat exchanger is positioned downstream of the primary heat exchanger. The primary heat exchanger is connected in series to a first refrigeration circuit, and the first refrigeration circuit is cooled down by means of liquid cooling. The secondary heat exchanger is connected in series to a second refrigeration circuit, and at least a portion of the second refrigeration circuit is refrigerated by means of a compressor.

Abstract: The present disclosure discloses a box-type liquid cooling device for a data center, including a box body. A box door is hinged on the box body, a control box is fixedly installed on the box door, and a ventilation mechanism is arranged on the box body. A mounting plate is connected to interior of the box body through a screw, a support frame is connected to the interior of the box body through the screw, and a liquid cooling tank is fixedly connected to the mounting plate. The liquid cooling tank is connected to the support frame through the screw, and a heat exchange box is fixedly connected to the support frame.

Abstract: The present disclosure discloses a liquid cooling distribution device for a data center, including a body, where a heat dissipation net is fixedly connected to the body, an interior of the body is provided with a filtering mechanism, a moving mechanism is arranged at a bottom of the body, a first liquid inlet is arranged at a top of the body, and a second liquid inlet is arranged at the top of the body. The filtering mechanism includes a mounting base, a filter stand, a filter net, a handle, a plug, a connecting rod, a pressing block, and a spring. The interior of the body is fixedly connected to the mounting base, an interior of the mounting base is slidably connected to the filter stand fixedly connected to the filter net, and an interior of the filter stand is slidably connected to the plug.

Abstract: The present disclosure disclose an AC/DC power distribution system for a data center, including: a power supply module, a control module, a DC output module, an AC output module, an energy storage module, and a backup power module. The control module includes a first rectifier unit, a first inverter unit, a power electronic transformer, a second rectifier unit, and a second inverter unit. The first rectifier unit is connected to the power supply module, and the first inverter unit. The energy storage module is connected between the first rectifier unit and the first inverter unit, where the first inverter unit is connected to the power electronic transformer, and the power electronic transformer is connected to the second rectifier unit, which is separately connected to the DC output module and the second inverter unit. The backup power module is connected between the second rectifier unit and the second inverter unit.

Abstract: The present disclosure discloses an integrated server cabinet including a cabin body and a cooling fan. The cooling fan is mounted on an inner wall of the cabin body, two cabin doors are hinged to the cabin body, and the two cabin doors are arranged at the cabin body. A heat insulation plate is mounted on the cabin body, and the cabin body is internally provided with a plurality of fixed plates arranged at intervals from top to bottom, where one of the plurality of fixed plates is mounted on a side of the inner wall of the heat insulation plate. A first electric drive pusher and a damping buffer are connected between adjacent two of the plurality of fixed plates, a mounting slot is provided on a side of each of the plurality of fixed plate, and a carrier mesh plate is embedded into the mounting slot.

Abstract: The present disclosure discloses a power supply system for a data center, where the data center includes a power distribution device. The power supply system includes a 220 kV/20 kV substation and a 20 kV power distribution system. The 220 kV/20 kV substation is connected to a power grid and the power distribution system, respectively, and is configured to convert a 220 kV voltage outputted by the power grid into a 20 kV voltage and output the 20 kV voltage to the power distribution system. The 20 kV power distribution system is connected to the power distribution device of the data center, and is configured to distribute the 20 kV voltage outputted by the substation to the power distribution device of the data center.

Abstract: The present disclosure discloses a circulating submerged liquid cooling cabinet, including a cabinet body. An outer side of the cabinet body is provided with a control panel, and the cabinet body is hinged with a cabinet cover, which is provided with a quick opening mechanism. A lower end of the cabinet body is fixedly connected to a circulation box, where interior of the circulation box is fixedly connected to a surface cooler, and the interior of the circulation box is fixedly connected to a compressor, which is fixedly connected to a cooling pipe.

Abstract: The present disclosure relates to the field of data center technology and discloses a refrigeration system for a data center. The data center includes a refrigeration system and at least one computer room internally provided with at least one liquid-cooled server configured to dissipate heat through a liquid-cooled pipeline. The refrigeration system includes a water-cooled precision air conditioner configured to dissipate heat from the liquid-cooled server in the computer room, and a coolant distribution apparatus configured to dissipate heat from the liquid-cooled pipeline of the liquid-cooled server in the computer room.

Abstract: The present disclosure discloses an air conditioning unit for a data room and a control method thereof. The air conditioning unit for the data room includes a plurality of outdoor finned heat exchangers, a plurality of corresponding outdoor cooling heat exchanger fans, a plurality of indoor cooling heat exchanger fans, an indoor finned heat exchanger, an indoor humidifier, a full-variable-speed two-stage compression oil-free centrifugal compressor, a refrigerant circulating pump, an electronic expansion valve, an electromagnetic valve, an indoor air supply duct, and a refrigerant circulation pipeline. The unit performs natural cooling by means of the plurality of outdoor finned heat exchangers in combination with the corresponding fans, and the compressor is started to perform mechanical refrigeration.

Abstract: The present disclosure discloses a liquid cooling heat exchange device for a data room, which can accurately regulate temperature of a coolant in a liquid-cooled server container, cool and filter the coolant in the liquid-cooled server container, meet requirements for heat dissipation of a liquid-cooled server, and ensure that the server can run normally for a long time. Through reasonable structural design, the liquid cooling heat exchange device can complete daily maintenance better and faster than similar devices.

Abstract: Embodiments of the present disclosure provide a liquid cooling system for a data center and a control method thereof, relating to the field of data center technology. The liquid cooling system includes an outdoor condenser, an indoor evaporator, a pressure sensor, a frequency converter, and a fluid transportation and distribution unit. The outdoor condenser and the indoor evaporator are connected through a pipeline to form a circuit. The pressure sensor, the frequency converter, and the fluid transportation and distribution unit are arranged on an outlet pipeline of the outdoor condenser.

Abstract: The present disclosure relates to the field of refrigeration system technology, and discloses a refrigeration system for a data center. The data center includes a liquid-cooled server, and the refrigeration system includes a liquid cooling system and an air cooling system. The liquid cooling system includes a compressor, a first cooler, and a plate heat exchanger constituting a refrigerant circulation circuit. The plate heat exchanger includes a first branch and a second branch, where the first branch is configured to circulate a refrigerant, the second branch is configured to circulate a coolant, and the second branch is communicated with a liquid cooling plate of the liquid-cooled server. The air cooling system includes a second cooler, a refrigerant drive apparatus, a throttling apparatus, and an evaporator constituting another refrigerant circulation circuit. An inlet of the second cooler is communicated with an outlet of the first branch of the plate heat exchanger.

Abstract: Embodiments of the present disclosure provide an edge data center, belonging to the field of edge data center technology. The edge data center includes: a liquid-cooled container, a liquid-cooled server, a gravity assisted heat pipe system, and a power distribution monitoring unit. The gravity assisted heat pipe system includes an outdoor heat exchange unit, an indoor evaporative liquid cooling cold plate, and a flow distribution unit. The liquid-cooled server is arranged inside the liquid-cooled container, and a heating element of the liquid-cooled server is attached with the indoor evaporative liquid cooling cold plate. The outdoor heat exchange unit is arranged outside the liquid-cooled container, and the outdoor heat exchange unit is connected to an indoor component of the gravity assisted heat pipe system by means of a refrigerant pipe of the flow distribution unit.

Abstract: Embodiments of the present disclosure provide an air-conditioning system for a data center, belonging to the field of air-conditioning technology. The air-conditioning system for the data center includes a heat exchange unit, a flow distribution unit, an evaporative liquid cooling cold plate, and an air-cooled air conditioner. The heat exchange unit is arranged outside a data center computer room, and the flow distribution unit and the air-cooled air conditioner are arranged inside the data center computer room. The heat exchange unit is connected to the flow distribution unit by means of a refrigerant pipe and is mounted higher than the flow distribution unit. The evaporative liquid cooling cold plate is contact-mounted on a computer device in the data center computer room.

Abstract: Embodiments of the present disclosure provide a liquid cooling system for a data center, a control method, and an edge data center, relating to the field of data center technology. The liquid cooling system includes: an outdoor condenser, an indoor evaporator, a temperature sensor, and a heating sleeve. The outdoor condenser and the indoor evaporator are connected through a pipeline to form a loop, and the outdoor condenser is arranged higher than the indoor evaporator. The temperature sensor and the heating sleeve are arranged on an outlet pipeline of the outdoor condenser.

Abstract: The present disclosure discloses an evaporator, a wind wall apparatus, and an air conditioning device, where a long edge of a windward side of the evaporator is arranged along a first direction. The evaporator includes a manifold assembly and a heat exchange tube assembly. The manifold assembly includes a first manifold having a liquid inlet hole and a second manifold having a liquid outlet hole. The second manifold and the first manifold are arranged at intervals along a second direction, and the second direction intersects with the first direction. The heat exchange tube assembly has a first end and a second end arranged opposite to each other, where the first end is communicated with the liquid inlet hole through an inner cavity of the first manifold, and the second end is communicated with the liquid outlet hole through an inner cavity of the second manifold.

Abstract: Embodiments of the present disclosure disclose a power distribution device and a data center. The power distribution device includes a first converter, a second converter, a DC energy accumulator, and a controller. The first converter is configured to convert alternating current into direct current, and the second converter is configured to convert the direct current into the alternating current. The first converter and the second converter are connected in series in a power supply circuit, where an input terminal of the first converter is electrically connected to a power grid, an output terminal of the second converter is electrically connected to a load, and the DC energy accumulator is electrically connected between the first converter and the second converter. The controller is configured to control the DC energy accumulator to supply power to the load.

Abstract: Embodiments of the present disclosure provide an integrated cabinet and data center computer room. A heat exchange apparatus is arranged inside a distributed CDU, where an external passage and an internal passage are arranged inside the heat exchange apparatus. A water-cooled backplane is communicated with the external passage, the external passage is connected to a liquid return main pipeline, the liquid return main pipeline is connected to a first cooling tower, the water-cooled backplane is connected to a liquid supply main pipeline, and the liquid supply main pipeline is connected to the first cooling tower. The internal passage is connected to a second cooling tower, the second cooling tower is connected to a liquid inlet of a region to be cooled, and a liquid outlet of the region to be cooled is connected to a liquid inlet of the internal passage.

Abstract: The present disclosure discloses a server system and a server integrated cabinet, where the server system at least includes the server integrated cabinet and a solar cell array, and the server integrated cabinet includes an energy storage battery pack, a controller, and a load. The solar cell array, the energy storage battery pack, and the load are connected to the controller, respectively, such that the solar cell array and the energy storage battery pack supply power to the load.

Abstract: The present disclosure discloses a refrigeration device and a data center, where the refrigeration device includes a plurality of evaporators arranged in a first air duct forming an air circuit with an inner cavity of a computer room, and the air circuit is configured for flow of air. The plurality of evaporators are arranged at intervals in an array, and a connecting line between any two of the plurality of evaporators intersects in a direction of flow of the air in the first air duct. The plurality of evaporators are separately connected in series into a plurality of refrigeration circuits independent of each other, and each of the plurality of refrigeration circuits is configured for flow of a cooling medium.