CN112888260A - 5G cabinet refrigerating system - Google Patents
5G cabinet refrigerating system Download PDFInfo
- Publication number
- CN112888260A CN112888260A CN202110115016.7A CN202110115016A CN112888260A CN 112888260 A CN112888260 A CN 112888260A CN 202110115016 A CN202110115016 A CN 202110115016A CN 112888260 A CN112888260 A CN 112888260A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- air
- cabinet body
- air conditioner
- cold source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
- H05K7/20554—Forced ventilation of a gaseous coolant
- H05K7/2059—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a 5G cabinet refrigeration system which comprises a 5G cabinet body, an indoor cabinet air conditioner, an outdoor cold source and a connecting pipeline. The 5G cabinet refrigeration system is used for cooling a 5G cabinet, various cabinet-level tail end types are designed in a targeted manner for an indoor cabinet air conditioner according to an application scene and the air flow organization characteristics of equipment in the 5G cabinet, the indoor cabinet air conditioner can be used as a cabinet door, a side plate, a bottom plate or a top plate to be installed on the 5G cabinet body, an outdoor cold source can be supplied by various cold source supply modes such as air cooling or water cooling according to the supply condition of a local natural cold source, the system is driven by gravity, a refrigerant pump can be selectively used for driving in special places, the application range is wide, local hot points of a machine room can be effectively solved while the equipment in the 5G cabinet stably works at the proper temperature, and the PUE of the machine room is reduced, so.
Description
Technical Field
The invention relates to the field of heat extraction of machine rooms or base stations, in particular to a 5G cabinet refrigeration system which can supply cold for a 5G cabinet, wherein an indoor cabinet air conditioner is designed in a targeted manner according to application scenes and the air flow organization characteristics of equipment in the 5G cabinet body, the indoor cabinet air conditioner can be used as a cabinet door, a side plate, a bottom plate or a top plate to be installed on the 5G cabinet body, an outdoor cold source can be supplied in a plurality of cold source supply modes such as air cooling or water cooling according to the supply condition of a local natural cold source, the system is driven by gravity, a refrigerant pump can be selected and used for driving in special places, the application range is wide, local hot spots of the machine room are effectively solved while the equipment in the 5G cabinet stably works at the appropriate temperature, the PUE of the machine room is.
Background
The 5G base station integrated energy cabinet (hereinafter referred to as a '5G cabinet') is one of domestic, domestic and international leading digital intelligent power supply products independently developed by China Mobile institute, so that the power supply efficiency in the information communication field is improved, the energy consumption is reduced, the construction period is shortened, and the construction cost is saved.
The 5G cabinet mainly comprises a cabinet unit, a power supply unit and an air conditioning unit, and an equipment installation space is reserved. The 5G cabinet is provided with a front air inlet and rear air outlet MIMO (Multiple-Input Multiple-Output) power supply and a left air inlet and right air outlet bbu (building Base band unit) and other devices, and it is necessary to design the air conditioning unit and the refrigeration system in a targeted manner according to different heat dissipation scene requirements.
Disclosure of Invention
In view of the above requirements of the development of the prior art, the present invention aims to provide a 5G cabinet refrigeration system, which supplies cold to a 5G cabinet, and an indoor cabinet air conditioner designs various cabinet-level end types in a targeted manner according to application scenarios and the air flow organization characteristics of equipment in the 5G cabinet, and can be installed on the 5G cabinet as a cabinet door, a side plate, a bottom plate or a top plate, an outdoor cold source can be supplied by various cold source supply methods such as air cooling or water cooling according to the local natural cold source supply conditions, the system is driven by gravity, and a refrigerant pump can be selectively used in special places for driving, so that the system has a wide application range, and can effectively solve local hot spots of a machine room, reduce the PUE of the machine room, and is energy-saving and reliable when equipment in the 5G cabinet stably.
The technical scheme adopted by the invention for realizing the technical purpose is as follows:
the utility model provides a 5G rack refrigerating system, includes 5G rack cabinet body, indoor cabinet body air conditioner, outdoor cold source unit, its characterized in that:
the 5G cabinet body is a closed cabinet body and comprises a cabinet frame, and a front door, a rear door, a top plate, a bottom plate, a left side plate and a right side plate which are arranged on the cabinet frame, wherein electronic equipment is arranged in the closed cabinet body of the 5G cabinet body, a cold air flow area is formed near an air inlet channel of the electronic equipment, and a hot air flow area is formed near an air outlet channel of the electronic equipment;
the indoor cabinet air conditioner is an integral plate-shaped cabinet air conditioner and comprises a metal plate frame, an inner side plate and an outer side plate, wherein the inner side plate and the outer side plate are arranged on the inner side and the outer side of the metal plate frame, the outer side plate is a closed plate, an air return opening and an air supply opening are formed in the inner side plate, a heat pipe heat exchanger is arranged in a space between the inner side plate and the outer side plate, a fan is selectively arranged at the air return opening and/or the air supply opening, the air return opening is arranged close to the hot air flow area, the air supply opening is arranged close to the cold air flow area, hot air in the hot air flow area is sucked by the air return opening, the hot air is converted into cold air after being subjected to heat absorption and temperature reduction through the heat pipe heat exchanger, the cold air is sent into;
the indoor cabinet body air conditioner is hung on the cabinet frame and is formed into at least one of a front door, a rear door, a top plate, a bottom plate, a left side plate and a right side plate of the 5G cabinet body, or is arranged on the inner side of at least one of the front door, the rear door, the top plate, the bottom plate, the left side plate and the right side plate of the 5G cabinet body;
the outdoor cold source unit can adopt air cooling or water cooling according to the supply condition of a local natural cold source;
and the heat pipe heat exchanger in the indoor cabinet air conditioner is communicated with the outdoor cold source unit through a connecting pipeline to form a circulating pipeline system.
Preferably, the indoor cabinet air conditioner is formed as a front door or a rear door of the 5G cabinet body, or is arranged on the inner side of the front door or the rear door of the 5G cabinet body, an air supply outlet of the indoor cabinet air conditioner blows towards an air inlet channel of the electronic equipment in the 5G cabinet body to form a cold air flow area, an air return inlet of the indoor cabinet air conditioner is close to an air outlet channel of the electronic equipment in the 5G cabinet body to form a hot air flow area, the indoor cabinet air conditioner sucks hot air heated by the electronic equipment in the 5G cabinet body, the hot air is cooled and then sent into a suction inlet of the electronic equipment in the 5G cabinet body, and air flow forms circulation in the closed space in the cabinet.
Preferably, the indoor cabinet air conditioner is formed as a left side plate or a right side plate of the 5G cabinet body, or is arranged on the inner side of the left side plate or the right side plate of the 5G cabinet body, an isolation assembly is arranged in the closed space of the 5G cabinet body to separate the closed space of the 5G cabinet body into a hot air flow region and a cold air flow region, hot air in the hot air flow region heated by electronic equipment in the 5G cabinet body is sucked into a return air inlet of the indoor cabinet air conditioner, the hot air is cooled and then sent into the cold air flow region corresponding to a suction inlet of the electronic equipment in the 5G cabinet body, and air flow forms circulation in the closed space in the cabinet.
Furthermore, the indoor cabinet air conditioner is mounted and locked on the cabinet frame of the 5G cabinet body through a door shaft and a door lock.
Furthermore, a connecting rod lock is selectively installed on the door lock, and casters for supporting weight and facilitating door opening and closing are selectively installed at the bottom of the indoor cabinet air conditioner.
Preferably, the indoor cabinet air conditioner is formed as a bottom plate or a top plate of the 5G cabinet body, or is arranged on the inner side of the 5G cabinet body, in the closed space of the 5G cabinet body, an air supply outlet of the indoor cabinet air conditioner blows towards an air inlet channel of the electronic equipment in the 5G cabinet body to form a cold air flow area, an air return inlet of the indoor cabinet air conditioner is close to an air outlet channel of the electronic equipment in the 5G cabinet body to form a hot air flow area, the indoor cabinet air conditioner sucks hot air heated by the electronic equipment in the 5G cabinet body, cools the hot air and then sends the hot air into a suction inlet of the electronic equipment in the 5G cabinet body, and air flow forms circulation in the closed space.
Preferably, the outdoor cold source unit comprises a mechanical refrigeration module and a heat pipe natural cold source refrigeration module, wherein the heat pipe natural cold source refrigeration module comprises a heat pipe condenser, a heat pipe condensation fan and an optional spraying assembly, the heat pipe condensation fan is used for air cooling of the heat pipe condenser, the optional spraying assembly is used for evaporation condensation of the heat pipe condenser, and the heat pipe condenser is communicated with a heat pipe heat exchanger in the indoor cabinet air conditioner through a connecting pipeline to form a first circulation pipeline; mechanical refrigeration module includes middle heat exchanger I, air conditioner condenser, throttling arrangement, compressor, air conditioner condensation fan is used for right air conditioner condenser carries out the forced air cooling, the cold side of middle heat exchanger I, air conditioner condenser, throttling arrangement, compressor pass through the tube coupling and form an air conditioner refrigeration circulation loop, the hot side of middle heat exchanger I pass through connecting line with heat pipe exchanger intercommunication among the indoor cabinet body air conditioner forms the second circulation pipeline, heat pipe exchanger among the indoor cabinet body air conditioner through set up the diverter valve on the connecting line realize with first circulation pipeline and/or second circulation pipeline intercommunication. After the heat pipe natural cold source refrigeration module is matched with the spraying assembly, the heat pipe natural cold source refrigeration module can work in a mode of combining air cooling and evaporation condensation, so that energy is further saved.
Furthermore, the outdoor cold source unit preferably adopts a mode of only starting the heat pipe natural cold source refrigeration module, then adopts a mode of simultaneously starting the heat pipe natural cold source refrigeration module and the mechanical refrigeration module, and finally adopts a mode of only starting the mechanical refrigeration module.
Furthermore, a mode of only starting the heat pipe natural cold source refrigeration module is preferentially adopted, and when the heat pipe natural cold source refrigeration module preferentially works in an air cooling mode and can meet the refrigeration requirement, or when a spraying assembly is selected and works in an air cooling and evaporative condensation combined mode for a second time, the mechanical refrigeration module is not started; secondly, a mode that the heat pipe natural cold source refrigerating module and the mechanical refrigerating module are simultaneously started is adopted, when the heat pipe natural cold source refrigerating module preferentially works in an air cooling mode and can not meet the refrigerating requirement, or when a spraying assembly is selected and works in an air cooling and evaporative condensation combined mode for a second time, the mechanical refrigerating module is started for refrigerating supplement; and finally, a mode of only starting the mechanical refrigeration module is adopted, and when the natural cold source cannot meet the refrigeration requirement, only the mechanical refrigeration module is started to meet the refrigeration requirement.
Preferably, the outdoor cold source unit can adopt water cooling according to the supply condition of a local natural cold source, and when the central air conditioner can provide cooling water required by the system, the outdoor cold source unit can directly realize heat exchange between the cooling water and the indoor cabinet air conditioner by means of the intermediate heat exchanger II.
Preferably, in a system formed by the indoor cabinet air conditioner and the outdoor cold source unit, freon refrigerant is adopted, and no water enters the 5G cabinet body.
Preferably, the outdoor cold source unit and the indoor cabinet air conditioner can be one-to-one or one-to-many.
Preferably, connecting line includes that the trachea is responsible for, liquid pipe is responsible for, indoor cabinet body air conditioner feed liquor branch pipe, indoor cabinet body air conditioner exhaust branch pipe, the natural cold source of heat pipe refrigeration module inlet branch pipe, the natural cold source of heat pipe refrigeration module play liquid branch pipe at least, works as indoor cabinet body air conditioner is installed when qianmen, back door or left side board, the right side board of the 5G cabinet body and need the switch door, indoor cabinet body air conditioner feed liquor branch pipe, indoor cabinet body air conditioner exhaust branch pipe all adopt the hose.
Preferably, the 5G cabinet body can be optionally provided with an emergency exhaust unit, the emergency exhaust unit is composed of an emergency air inlet valve, an emergency exhaust fan and an emergency sealing assembly, when there is no emergency exhaust requirement, the emergency sealing assembly realizes sealing of the 5G cabinet body, and the emergency air inlet valve and the emergency exhaust fan do not work; when emergent demand of airing exhaust, emergent seal assembly opens, emergent inlet valve is automatic to be opened, emergent exhaust fan starts work.
Preferably, the 5G cabinet refrigeration system is driven by gravity; in a special place, for example, when the traditional gravity heat pipe has the problem of insufficient driving force due to height difference or system resistance, a refrigerant pump can be optionally arranged on the main pipe of the liquid pipe close to the natural cold source refrigeration module and the mechanical refrigeration module of the heat pipe so as to improve the applicability of the system, and a liquid storage tank is simultaneously arranged on the front-end pipeline of the refrigerant pump.
Preferably, the water leakage alarm further comprises a control system, wherein the control system comprises a controller, a water leakage alarm, a temperature sensor, a humidity sensor and the like; the controller adjusts the rotating speed of the optional fan in the indoor cabinet air conditioner according to the temperature detected by the temperature sensor on the indoor cabinet air conditioner and displays and monitors the temperature and the rotating speed of the fan; the humidity sensor can display the humidity condition in the indoor cabinet air conditioner detected by the humidity sensor and send out an alarm when the humidity condition exceeds a limit value; the water leakage alarm can give an alarm when detecting the occurrence of water leakage; the rotating speed of the heat pipe condensation fan of the heat pipe natural cold source refrigeration module and whether the matching spraying assembly is started or not can be adjusted according to indoor and outdoor temperature differences; the running state of the mechanical refrigeration module can be controlled according to the detected return air temperature, and the matched emergency exhaust unit can be started when the heat pipe natural cold source refrigeration module and the mechanical refrigeration module are in failure or power failure, so that the monitoring system is energy-saving, reliable and stable in running.
According to the technical scheme, the 5G cabinet refrigeration system supplies cold for the 5G cabinet, the indoor cabinet air conditioner is designed in a targeted manner according to application scenes and the air flow organization characteristics of equipment in the 5G cabinet, the cabinet-level tail end type can be used as a cabinet door, a side plate, a bottom plate or a top plate to be installed on the 5G cabinet body, an outdoor cold source can be supplied in a plurality of cold source supply modes such as air cooling or water cooling according to the supply condition of a local natural cold source, the system is driven by gravity, a refrigerant pump can be selectively used for driving in special places, the application range is wide, local hot points of a machine room can be effectively solved while the equipment in the 5G cabinet stably works at the proper temperature, the PUE of the machine room is reduced, and the system is energy-saving and reliable.
Drawings
Fig. 1 is a schematic structural diagram of a 5G cabinet refrigeration system of the present invention.
Fig. 2 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the rear door side and adopts an air cooling mode and only opens the heat pipe natural cold source refrigeration module.
Fig. 3 is a schematic view of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed on the rear door side and water cooling is employed.
Fig. 4 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed on the left side plate and the air cooling and the heat pipe natural cold source refrigeration module air cooling and evaporative condensing combination mode are opened.
Fig. 5 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the bottom plate position and the heat pipe natural cold source refrigeration module and the mechanical refrigeration module are simultaneously opened.
Fig. 6 is a schematic view of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the rear door side and air-cooled and only the mechanical refrigeration module is turned on.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a 5G cabinet refrigeration system of the present invention. As shown in fig. 1, the 5G cabinet refrigeration system of the present invention includes a 5G cabinet body 1, an indoor cabinet air conditioner 2, an outdoor cold source 3, and a connecting pipeline 4, wherein the 5G cabinet body 1 is a closed body and has a front door 1-1, a rear door 1-2, a top plate 1-3, a bottom plate 1-4, a left side plate 1-5, and a right side plate 1-6; the indoor cabinet air conditioner 2 is a cabinet-level air conditioner, adopts a mode that the outer side is closed, and the inner side is provided with a return air inlet 2-1 and an air supply outlet 2-2, and comprises a sheet metal frame 2-3, a heat pipe heat exchanger 2-4 and an optional air distribution fan 2-5; the indoor cabinet air conditioner 2 can replace a front door 1-1 or a rear door 1-2 of the 5G cabinet body 1 independently or simultaneously; the cabinet body can also be independently or simultaneously used for replacing a top plate 1-3 or a bottom plate 1-4 or arranged on the top plate 1-3 or the bottom plate 1-4, can also be used for replacing a left side plate 1-5 or a right side plate 1-6 or arranged in the left side plate 1-5 or the right side plate 1-6 to form a closed space with the 5G cabinet body 1; the outdoor cold source 3 can adopt air cooling or water cooling according to the supply condition of a local natural cold source; the indoor cabinet air conditioner 2 is communicated with an outdoor cold source 3 through a connecting pipeline 4 to form a circulating pipeline system; the outdoor cold source 3 can adopt air cooling according to the local natural cold source supply condition, the specific air cooling can adopt a year-round refrigeration scheme combining a heat pipe natural cold source refrigeration module 3-1 and a mechanical refrigeration module 3-2, a mode of only starting the heat pipe natural cold source refrigeration module 3-1 is preferentially adopted, a mode of simultaneously starting the heat pipe natural cold source refrigeration module 3-1 and the mechanical refrigeration module 3-2 is secondly adopted, and a mode of only starting the mechanical refrigeration module 3-2 is finally adopted; the heat pipe natural cold source refrigeration module 3-1 comprises a heat pipe condenser 3-1-1 and a heat pipe condensation fan 3-1-2, and the spray assembly 3-1-3 can be selected to realize that the heat pipe natural cold source refrigeration module 3-1 works in a mode of combining air cooling with evaporative condensation, so that the energy is further saved; the mechanical refrigeration module 3-2 comprises an intermediate heat exchanger I3-2-1, an air conditioner condenser 3-2-2, a throttling device 3-2-3, a compressor 3-2-4 and an air conditioner condensing fan 3-2-5; the outdoor cold source 3 can adopt water cooling according to the local natural cold source supply condition, and when the central air conditioner can provide cooling water required by the system, the outdoor cold source 3 can directly realize heat exchange between the cooling water and the indoor cabinet air conditioner 2 by virtue of the intermediate heat exchanger II 5; in a system formed by an indoor cabinet air conditioner 2, an outdoor cold source 3 and a connecting pipeline 4, Freon refrigerants are adopted, and no water enters a 5G cabinet body 1; the outdoor cold source 3 and the indoor cabinet air conditioner 2 can be one-to-one or more; the connecting pipeline 4 comprises a main air pipe 4-1, a main liquid pipe 4-2, a liquid inlet branch pipe 4-3 of the indoor cabinet air conditioner, an exhaust branch pipe 4-4 of the indoor cabinet air conditioner, an air inlet branch pipe 4-5 of a heat pipe natural cold source refrigeration module, a liquid outlet branch pipe 4-6 of the heat pipe natural cold source refrigeration module and the like, and when the indoor cabinet air conditioner 2 is installed on a front door 1-1, a rear door 1-2 or a left side plate 1-5 and a right side plate 1-6 of a 5G cabinet body 1 and the door needs to be opened and closed, hoses are adopted for the liquid inlet branch pipe 4-3 of the indoor cabinet air conditioner and the exhaust branch pipe 4-4 of the; the 5G cabinet body 1 can be optionally provided with an emergency exhaust unit 1-7, the emergency exhaust unit 1-7 consists of an emergency air inlet valve 1-7-1, an emergency exhaust fan 1-7-2 and an emergency sealing component 1-7-3, when the emergency exhaust requirement does not exist, the emergency sealing component 1-7-3 realizes the sealing of the 5G cabinet body 1, and the emergency air inlet valve 1-7-1 and the emergency exhaust fan 1-7-2 do not work; when an emergency air exhaust requirement exists, the emergency sealing component 1-7-3 is opened, the emergency air inlet valve 1-7-1 is automatically opened, and the emergency exhaust fan 1-7-2 is started to work; the system is driven by gravity, when the traditional gravity heat pipe has insufficient driving force due to height difference or system resistance, a refrigerant pump 6 can be selectively arranged on a liquid pipe main pipe 4-2 close to a heat pipe natural cold source refrigeration module 3-1 and a mechanical refrigeration module 3-2 to improve the applicability of the system, and a liquid storage tank 7 is simultaneously arranged on a front end pipeline of the refrigerant pump 6; the water leakage alarm device further comprises a control system 8, wherein the control system 8 comprises a controller 8-1, a water leakage alarm 8-2, a temperature sensor 8-3, a humidity sensor 8-4 and the like; the controller 8 adjusts the rotating speed of the optional fan 2-5 in the indoor cabinet air conditioner 2 according to the temperature detected by the temperature sensor 8-3 on the indoor cabinet air conditioner 2 and displays and monitors the temperature and the rotating speed of the fan; the humidity sensor 8-4 can display the humidity condition in the indoor cabinet air conditioner 2 detected by the humidity sensor and send out an alarm when the humidity exceeds a limit value; an alarm can be given when the water leakage alarm 8-2 detects that water leakage occurs; the rotating speed of a heat pipe condensing fan 3-1-2 of the heat pipe natural cold source refrigerating module 3-1 and whether the matched spraying component 3-1-3 is started or not can be adjusted according to the indoor and outdoor temperature difference; the running state of the mechanical refrigeration module 3-2 can be controlled according to the detected return air temperature, and the selected emergency exhaust unit 1-7 can be started when the heat pipe natural cold source refrigeration module 3-1 and the mechanical refrigeration module 3-2 are in failure or power failure, so that the monitoring system is energy-saving, reliable and stable in running.
Fig. 2 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the rear door side and adopts an air cooling mode and only opens the heat pipe natural cold source refrigeration module. As shown in fig. 2, according to the application scene requirements, when the indoor cabinet air conditioner 2 replaces the rear door 1-2 of the 5G cabinet body 1, the indoor cabinet air conditioner 2 can be installed and locked at the rear door side of the 5G cabinet body 1 through the door shaft 2-6 and the door lock 2-7, and can be freely opened and closed, the door lock 2-7 can be provided with a connecting rod lock, and at the moment, the caster 2-8 for supporting weight and facilitating door opening and closing can be selectively configured; at the moment, an indoor cabinet air conditioner 2 and a 5G cabinet body 1 with a front door 1-1, a top plate 1-3, a bottom plate 1-4, a left side plate 1-5 and a right side plate 1-6 form a closed space, an air supply outlet 2-2 of the indoor cabinet air conditioner 2 blows an air inlet channel of equipment in the 5G cabinet body 1 to form a cold air flow area, an air return inlet 2-1 is close to an air outlet channel of the equipment in the 5G cabinet body 1 to form a hot air flow area, the indoor cabinet air conditioner 2 sucks hot air heated by the equipment in the 5G cabinet body 1, cools the hot air and then sends the cooled hot air into an equipment suction inlet in the 5G cabinet body 1, and airflow forms circulation in the closed space in the cabinet; the outdoor cold source 3 adopts an air cooling mode of only starting the heat pipe natural cold source refrigeration module 3-1, the selected spray component 3-1-3 is not started, and the mechanical refrigeration module 3-2 is not started; the air flow direction in the air conditioner 2 is shown by an arrow A in the figure; the flowing direction of the refrigerants in the indoor cabinet air conditioner 2, the heat pipe natural cold source refrigeration module 3-1 and the connecting pipelines 4-1, 4-2, 4-3, 4-4, 4-5 and 4-6 is shown as an arrow B in the figure; the air flowing direction in the heat pipe natural cold source refrigeration module 3-1 is shown by an arrow C in the figure.
Fig. 3 is a schematic view of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed on the rear door side and water cooling is employed. As shown in the figure, according to the requirement of an application scene, when the indoor cabinet air conditioner 2 replaces the rear door 1-2 of the 5G cabinet body 1, the indoor cabinet air conditioner 2 can be installed and locked at the rear door side of the 5G cabinet body 1 through the door shaft 2-6 and the door lock 2-7 and can be freely opened and closed, at the moment, the indoor cabinet air conditioner 2 and the 5G cabinet body 1 with the front door 1-1, the top plate 1-3, the bottom plate 1-4, the left side plate 1-5 and the right side plate 1-6 form a closed space, the air supply outlet 2-2 of the indoor cabinet air conditioner 2 blows air to the equipment air inlet channel in the 5G cabinet body 1 to form a cold air flow area, the air return outlet 2-1 is close to the equipment air outlet channel in the 5G cabinet body 1 to form a hot air flow area, the hot air heated by the equipment in the 5G cabinet body 1 is sucked, the hot air is cooled and then sent into a device suction inlet in the 5G cabinet body 1, and airflow forms circulation in a closed space in the cabinet; the outdoor cold source 3 can adopt water cooling according to the local natural cold source supply condition, and when the central air conditioner can provide the cooling water required by the system, the outdoor cold source can directly realize the heat exchange between the cooling water and the indoor cabinet body air conditioner 2 by means of the intermediate heat exchanger II 5. At this time, the air flow direction in the indoor cabinet air conditioner 2 is shown by an arrow A in the figure; the flow directions of the refrigerants in the indoor cabinet air conditioner 2, the intermediate heat exchanger II 5 and the connecting pipelines 4-1, 4-2, 4-3 and 4-4 are shown as an arrow D in the figure; the flow direction of the cooling water is shown by an arrow E in the figure.
Fig. 4 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed on the left side plate and the air cooling and the heat pipe natural cold source refrigeration module air cooling and evaporative condensing combination mode are opened. As shown in the figure, according to the requirement of an application scene, when an indoor cabinet air conditioner 2 replaces a left side plate 1-5 of a 5G cabinet body 1, the indoor cabinet air conditioner 2 is installed on the left side of the 5G cabinet body 1 through a fastener, at the moment, the indoor cabinet air conditioner 2 and the 5G cabinet body 1 with a front door 1-1, a rear door 1-2, a top plate 1-3, a bottom plate 1-4 and a right side plate 1-6 form a closed space, at the moment, the 5G cabinet body 1 further comprises an isolation component 1-8, the inside of the 5G cabinet body 1 is divided into a hot air flow area and a cold air flow area, an air supply outlet 2-2 of the indoor cabinet air conditioner 2 blows towards an equipment air inlet channel in the 5G cabinet body 1 to form the cold air flow area, a return air inlet 2-1 is close to an equipment air outlet channel in the 5G cabinet body 1 to form the hot air flow area, the indoor cabinet air conditioner 2 sucks hot air, the hot air is cooled and then sent into a cold air flow area corresponding to an equipment suction inlet in the 5G cabinet body 1, and the air flow forms circulation in a closed space in the cabinet; the outdoor cold source 3 adopts a mode of combining air cooling and evaporative condensation by starting the heat pipe natural cold source refrigeration module 3-1 according to the supply condition of the local natural cold source, at the moment, the selected spray assembly 3-1-3 is started, and the mechanical refrigeration module 3-2 is not started; at this time, the air flow direction in the indoor cabinet air conditioner 2 is shown by an arrow F in the figure; the flowing direction of the refrigerants in the indoor cabinet air conditioner 2, the heat pipe natural cold source refrigeration module 3-1 and the connecting pipelines 4-1, 4-2, 4-3, 4-4, 4-5 and 4-6 is shown by an arrow G in the figure; the air flowing direction in the heat pipe natural cold source refrigerating module 3-1 is shown by an arrow C in the figure; the direction of water flow in the selected spray assembly 3-1-3 is shown by arrow H.
Fig. 5 is a schematic diagram of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the bottom plate position and the heat pipe natural cold source refrigeration module and the mechanical refrigeration module are simultaneously opened. As shown in the figure, when the indoor cabinet air conditioner 2 is installed on the bottom plates 1-4 of the 5G cabinet body 1 through fasteners according to the requirements of application scenarios, at the moment, an indoor cabinet air conditioner 2 and a 5G cabinet body 1 with a front door 1-1, a rear door 1-2, a top plate 1-3, a bottom plate 1-4, a left side plate 1-5 and a right side plate 1-6 form a closed space, an air supply outlet 2-2 of the indoor cabinet air conditioner 2 blows an air inlet channel of equipment in the 5G cabinet body 1 to form a cold air flow area, an air return inlet 2-1 is close to an air outlet channel of the equipment in the 5G cabinet body 1 to form a hot air flow area, the indoor cabinet air conditioner 2 sucks hot air heated by the equipment in the 5G cabinet body 1, the hot air is cooled and then sent to an equipment suction inlet in the 5G cabinet body 1, and air flow forms circulation in the closed space in the cabinet; the outdoor cold source 3 adopts a mode that a heat pipe natural cold source refrigerating module 3-1 and a mechanical refrigerating module 3-2 are simultaneously started according to the supply condition of a local natural cold source, and when the heat pipe natural cold source refrigerating module 3-1 preferably works in an air cooling mode and can not meet the refrigerating requirement, or when a spraying assembly 3-1-3 is selected and works in an air cooling and evaporative condensation combined mode again and can not meet the refrigerating requirement, the mechanical refrigerating module 3-2 is started for refrigerating supplement; at this time, the air flow direction in the indoor cabinet air conditioner 2 is shown by an arrow J in the figure; the flow directions of refrigerants in the indoor cabinet air conditioner 2, the heat pipe natural cold source refrigeration module 3-1, the mechanical refrigeration module 3-2 and the connecting pipelines 4-1, 4-2, 4-3, 4-4, 4-5 and 4-6 are shown as an arrow K in the figure; the air flowing direction in the heat pipe natural cold source refrigerating module 3-1 is shown by an arrow C in the figure; the flow direction of water in the selected spray assembly 3-1-3 is shown by an arrow H in the figure; the flow direction of the refrigerant in the mechanical refrigeration module 3-2 is shown by an arrow L in the figure; the air flow direction in the mechanical refrigeration module 3-2 is shown by the arrow M in the figure.
Fig. 6 is a schematic view of the circulation medium flowing when the 5G cabinet refrigeration system indoor cabinet air conditioner of the present invention is installed at the rear door side and air-cooled and only the mechanical refrigeration module is turned on. As shown in the figure, according to the requirement of an application scene, when the indoor cabinet air conditioner 2 replaces the rear door 1-2 of the 5G cabinet body 1, the indoor cabinet air conditioner 2 can be installed and locked at the rear door side of the 5G cabinet body 1 through the door shaft 2-6 and the door lock 2-7 and can be freely opened and closed, at the moment, the indoor cabinet air conditioner 2 and the 5G cabinet body 1 with the front door 1-1, the top plate 1-3, the bottom plate 1-4, the left side plate 1-5 and the right side plate 1-6 form a closed space, the air supply outlet 2-2 of the indoor cabinet air conditioner 2 blows air to the equipment air inlet channel in the 5G cabinet body 1 to form a cold air flow area, the air return outlet 2-1 is close to the equipment air outlet channel in the 5G cabinet body 1 to form a hot air flow area, the hot air heated by the equipment in the 5G cabinet body 1 is sucked, the hot air is cooled and then sent into a device suction inlet in the 5G cabinet body 1, and airflow forms circulation in a closed space in the cabinet; the outdoor cold source 3 adopts a mode of only starting the mechanical refrigeration module 3-2, and the heat pipe natural cold source refrigeration module 3-1 is not started; at this time, the air flow direction in the indoor cabinet air conditioner 2 is shown by an arrow A in the figure; the flowing direction of the refrigerants in the indoor cabinet air conditioner 2, the mechanical refrigeration module 3-2 and the connecting pipelines 4-1, 4-2, 4-3 and 4-4 is shown by an arrow N in the figure; the flow direction of the refrigerant in the mechanical refrigeration module 3-2 is shown by an arrow L in the figure; the air flow direction in the mechanical refrigeration module 3-2 is shown by the arrow M in the figure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a 5G rack refrigerating system, includes 5G rack cabinet body, indoor cabinet body air conditioner, outdoor cold source unit, its characterized in that:
the 5G cabinet body is a closed cabinet body and comprises a cabinet frame, and a front door, a rear door, a top plate, a bottom plate, a left side plate and a right side plate which are arranged on the cabinet frame, wherein electronic equipment is arranged in the closed cabinet body of the 5G cabinet body, a cold air flow area is formed near an air inlet channel of the electronic equipment, and a hot air flow area is formed near an air outlet channel of the electronic equipment;
the indoor cabinet air conditioner is an integral plate-shaped cabinet air conditioner and comprises a metal plate frame, an inner side plate and an outer side plate, wherein the inner side plate and the outer side plate are arranged on the inner side and the outer side of the metal plate frame, the outer side plate is a closed plate, an air return opening and an air supply opening are formed in the inner side plate, a heat pipe heat exchanger is arranged in a space between the inner side plate and the outer side plate, a fan is selectively arranged at the air return opening and/or the air supply opening, the air return opening is arranged close to the hot air flow area, the air supply opening is arranged close to the cold air flow area, hot air in the hot air flow area is sucked by the air return opening, the hot air is converted into cold air after being subjected to heat absorption and temperature reduction through the heat pipe heat exchanger, the cold air is sent into;
the indoor cabinet body air conditioner is hung on the cabinet frame and is formed into at least one of a front door, a rear door, a top plate, a bottom plate, a left side plate and a right side plate of the 5G cabinet body, or is arranged on the inner side of at least one of the front door, the rear door, the top plate, the bottom plate, the left side plate and the right side plate of the 5G cabinet body;
the outdoor cold source unit can adopt air cooling or water cooling according to the supply condition of a local natural cold source;
and the heat pipe heat exchanger in the indoor cabinet air conditioner is communicated with the outdoor cold source unit through a connecting pipeline to form a circulating pipeline system.
2. The 5G cabinet refrigeration system according to claim 1, wherein the indoor cabinet air conditioner is formed as a front door or a rear door of the 5G cabinet body, or is disposed inside the front door or the rear door of the 5G cabinet body, in the enclosed space of the 5G cabinet body, an air supply outlet of the indoor cabinet air conditioner blows towards an air supply channel of the electronic equipment in the 5G cabinet body to form a cold air flow area, an air return outlet of the indoor cabinet air conditioner is close to an air outlet channel of the electronic equipment in the 5G cabinet body to form a hot air flow area, the indoor cabinet air conditioner sucks in hot air heated by the electronic equipment in the 5G cabinet body, cools the hot air and then sends the hot air into an air inlet of the electronic equipment in the 5G cabinet body, and the air flow forms a circulation in the enclosed space in the cabinet.
3. The 5G cabinet refrigeration system according to claim 1, wherein the indoor cabinet air conditioner is formed as a left side plate or a right side plate of the 5G cabinet body, or is arranged inside the left side plate or the right side plate of the 5G cabinet body, an isolation assembly is arranged in the closed space of the 5G cabinet body to separate the closed space of the 5G cabinet body into a hot air flow region and a cold air flow region, a return air inlet of the indoor cabinet air conditioner sucks in hot air in the hot air flow region heated by the electronic equipment in the 5G cabinet body, the hot air is cooled and then is sent into the cold air flow region corresponding to the suction inlet of the electronic equipment in the 5G cabinet body, and air flow forms circulation in the closed space in the cabinet.
4. The 5G cabinet refrigeration system as claimed in claim 2 or 3, wherein the indoor cabinet air conditioner is mounted and locked on the cabinet frame of the 5G cabinet through a door shaft and a door lock.
5. The 5G cabinet refrigeration system as claimed in claim 4, wherein the door lock is optionally provided with a link lock, and the bottom of the indoor cabinet air conditioner is optionally provided with casters for supporting weight and facilitating opening and closing of the door.
6. The 5G cabinet refrigeration system according to claim 1, wherein the indoor cabinet air conditioner is formed as a bottom plate or a top plate of the 5G cabinet body, or is disposed inside the 5G cabinet body, and in the enclosed space of the 5G cabinet body, an air supply outlet of the indoor cabinet air conditioner blows an air supply channel of the electronic equipment in the 5G cabinet body to form a cold air flow area, an air return outlet of the indoor cabinet air conditioner is close to an air outlet channel of the electronic equipment in the 5G cabinet body to form a hot air flow area, the indoor cabinet air conditioner sucks in hot air heated by the electronic equipment in the 5G cabinet body, cools the hot air and then sends the hot air into an air inlet of the electronic equipment in the 5G cabinet body, and the air flow circulates in the enclosed space.
7. The 5G cabinet refrigeration system according to claim 1, wherein the outdoor cold source unit comprises a mechanical refrigeration module and a heat pipe natural cold source refrigeration module, wherein the heat pipe natural cold source refrigeration module comprises a heat pipe condenser, a heat pipe condensation fan and an optional spraying assembly, the heat pipe condensation fan is used for air cooling of the heat pipe condenser, the optional spraying assembly is used for evaporative condensation of the heat pipe condenser, and the heat pipe condenser is communicated with a heat pipe heat exchanger in the indoor cabinet body air conditioner through a connecting pipeline to form a first circulation pipeline; mechanical refrigeration module includes middle heat exchanger I, air conditioner condenser, throttling arrangement, compressor, air conditioner condensation fan is used for right air conditioner condenser carries out the forced air cooling, the cold side of middle heat exchanger I, air conditioner condenser, throttling arrangement, compressor pass through the tube coupling and form an air conditioner refrigeration circulation loop, the hot side of middle heat exchanger I pass through connecting line with heat pipe exchanger intercommunication among the indoor cabinet body air conditioner forms the second circulation pipeline, heat pipe exchanger among the indoor cabinet body air conditioner through set up the diverter valve on the connecting line realize with first circulation pipeline and/or second circulation pipeline intercommunication.
8. The 5G cabinet refrigeration system as claimed in claim 7, wherein the outdoor cold source unit is preferably in a mode of turning on only the heat pipe natural cold source refrigeration module, secondly in a mode of turning on the heat pipe natural cold source refrigeration module and the mechanical refrigeration module simultaneously, and finally in a mode of turning on only the mechanical refrigeration module.
9. The 5G cabinet refrigeration system as claimed in claim 8, wherein a mode of only starting the heat pipe natural cold source refrigeration module is preferentially adopted, and when the heat pipe natural cold source refrigeration module preferentially works in an air cooling mode to meet refrigeration requirements, or when a spraying assembly is configured and the heat pipe natural cold source refrigeration module secondarily works in an air cooling and evaporative condensation combined mode to meet refrigeration requirements, the mechanical refrigeration module is not started; secondly, a mode that the heat pipe natural cold source refrigerating module and the mechanical refrigerating module are simultaneously started is adopted, when the heat pipe natural cold source refrigerating module preferentially works in an air cooling mode and can not meet the refrigerating requirement, or when a spraying assembly is selected and works in an air cooling and evaporative condensation combined mode for a second time, the mechanical refrigerating module is started for refrigerating supplement; and finally, a mode of only starting the mechanical refrigeration module is adopted, and when the natural cold source cannot meet the refrigeration requirement, only the mechanical refrigeration module is started to meet the refrigeration requirement.
10. The 5G cabinet refrigerating system as claimed in claim 1, wherein the outdoor cold source unit can adopt water cooling according to the supply condition of a local natural cold source, and when the central air conditioner can provide cooling water required by the system, the outdoor cold source can directly realize heat exchange between the cooling water and the indoor cabinet air conditioner by means of the intermediate heat exchanger II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110115016.7A CN112888260B (en) | 2021-01-26 | 2021-01-26 | 5G cabinet refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110115016.7A CN112888260B (en) | 2021-01-26 | 2021-01-26 | 5G cabinet refrigerating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112888260A true CN112888260A (en) | 2021-06-01 |
| CN112888260B CN112888260B (en) | 2022-11-18 |
Family
ID=76052904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110115016.7A Active CN112888260B (en) | 2021-01-26 | 2021-01-26 | 5G cabinet refrigerating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112888260B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576738A (en) * | 2022-03-17 | 2022-06-03 | 南京工业大学 | Spray cooling system and method for multi-split air conditioner outdoor unit by using air-cooled heat pump as cold source |
| WO2024060817A1 (en) * | 2022-09-21 | 2024-03-28 | 上海汇珏网络通信设备股份有限公司 | Wind-solar complementary 5g integrated energy-saving cabinet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090310300A1 (en) * | 2008-06-11 | 2009-12-17 | Minebea Co., Ltd. | Flow-Through Air Conditioning for Electronics Racks |
| CN104602482A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Cabinet and refrigerating control method, device and system for cabinet |
| CN105841270A (en) * | 2016-03-31 | 2016-08-10 | 深圳市英维克科技股份有限公司 | Modular energy saving air conditioner |
| CN205655425U (en) * | 2016-03-31 | 2016-10-19 | 深圳市英维克科技股份有限公司 | Energy -conserving air conditioner of modularization |
| CN106440178A (en) * | 2016-10-20 | 2017-02-22 | 成都昊普环保技术有限公司 | Cabinet refrigeration system |
| CN111787759A (en) * | 2020-06-23 | 2020-10-16 | 青岛海信电子设备股份有限公司 | Machine cabinet |
-
2021
- 2021-01-26 CN CN202110115016.7A patent/CN112888260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090310300A1 (en) * | 2008-06-11 | 2009-12-17 | Minebea Co., Ltd. | Flow-Through Air Conditioning for Electronics Racks |
| CN104602482A (en) * | 2013-10-30 | 2015-05-06 | 艾默生网络能源有限公司 | Cabinet and refrigerating control method, device and system for cabinet |
| CN105841270A (en) * | 2016-03-31 | 2016-08-10 | 深圳市英维克科技股份有限公司 | Modular energy saving air conditioner |
| CN205655425U (en) * | 2016-03-31 | 2016-10-19 | 深圳市英维克科技股份有限公司 | Energy -conserving air conditioner of modularization |
| CN106440178A (en) * | 2016-10-20 | 2017-02-22 | 成都昊普环保技术有限公司 | Cabinet refrigeration system |
| CN111787759A (en) * | 2020-06-23 | 2020-10-16 | 青岛海信电子设备股份有限公司 | Machine cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576738A (en) * | 2022-03-17 | 2022-06-03 | 南京工业大学 | Spray cooling system and method for multi-split air conditioner outdoor unit by using air-cooled heat pump as cold source |
| WO2024060817A1 (en) * | 2022-09-21 | 2024-03-28 | 上海汇珏网络通信设备股份有限公司 | Wind-solar complementary 5g integrated energy-saving cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112888260B (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112888260B (en) | 5G cabinet refrigerating system | |
| CN201672618U (en) | Heat recovery water cooling air conditioning system of communication machine rooms | |
| CN102967019A (en) | Direct evaporation integral heat pipe exchanger | |
| CN112944739B (en) | Dual cycle refrigeration system using dew point temperature cooling and control method thereof | |
| EP4343214A1 (en) | Multi-mode water-fluorine multi-split system | |
| CN202032679U (en) | Temperature control device | |
| CN204026888U (en) | Free convection heat pipe unit cooling system | |
| CN211290648U (en) | Pumping phase-change refrigeration system | |
| CN104633988A (en) | Air-cooled cold and hot water air conditioning system and control method thereof | |
| US20120216554A1 (en) | Intelligent energy-saving air conditioner | |
| CN210399413U (en) | Heat energy recovery system and data center | |
| CN109340960B (en) | Combined air conditioning system of machine room and control method thereof | |
| CN109341138B (en) | Combined air conditioning system of machine room and hot water system and control method thereof | |
| CN109357426B (en) | Combined air conditioning system for machine room and control method thereof | |
| CN102954548A (en) | Direct evaporation split type heat pipe heat-exchanger | |
| CN102927646A (en) | Computer room air conditioner | |
| CN105333543A (en) | Multifunctional central air-conditioning system and running control method thereof | |
| CN214800395U (en) | 5G cabinet refrigerating system | |
| CN109357427B (en) | Combined air conditioning system for machine room and hot water system and control method thereof | |
| CN217584935U (en) | Refrigerating device and cooling system | |
| CN210425382U (en) | Outdoor unit with waste heat recovery and natural cold source utilization functions | |
| CN210014503U (en) | Heat exchange device and heat pump air conditioning system with same | |
| CN204830275U (en) | Multi -functional central air -conditioning system | |
| CN210772861U (en) | Integrated supply system based on temperature and humidity control and hot water heating | |
| CN203671807U (en) | Energy-saving integrated air conditioner for communication machine room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |