WO2019214297A1 - Système de climatisation de salle de serveurs - Google Patents

Système de climatisation de salle de serveurs Download PDF

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Publication number
WO2019214297A1
WO2019214297A1 PCT/CN2019/073159 CN2019073159W WO2019214297A1 WO 2019214297 A1 WO2019214297 A1 WO 2019214297A1 CN 2019073159 W CN2019073159 W CN 2019073159W WO 2019214297 A1 WO2019214297 A1 WO 2019214297A1
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WO
WIPO (PCT)
Prior art keywords
air conditioning
conditioning system
room air
electronic expansion
expansion valve
Prior art date
Application number
PCT/CN2019/073159
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English (en)
Chinese (zh)
Inventor
杨公增
Original Assignee
青岛海尔空调电子有限公司
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Publication date
Application filed by 青岛海尔空调电子有限公司 filed Critical 青岛海尔空调电子有限公司
Publication of WO2019214297A1 publication Critical patent/WO2019214297A1/fr

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    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20718—Forced ventilation of a gaseous coolant
    • H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
    • H05K7/20836—Thermal management, e.g. server temperature control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/191—Pressures near an expansion valve

Definitions

  • the invention belongs to the technical field of computer room air conditioners, and particularly provides a computer room air conditioning system.
  • the computer room air conditioning system needs to cool the electronic equipment in the electronic equipment room, that is, the computer room air conditioning system needs to be cooled throughout the year.
  • the air conditioning system in the computer room often has a low condensing pressure during the cooling operation, and an alarm such as an alarm occurs, so that the unit cannot operate normally.
  • very strict requirements are imposed on the annual cooling operation of the computer room air-conditioning products, especially the low-temperature environment refrigeration or ultra-low temperature environment.
  • the method of reducing the rotational speed of the outdoor fan is generally used to improve the condensing pressure of the low temperature ambient air conditioning system. That is, the outdoor unit fan speed is generally adjusted by detecting the outdoor unit condenser pressure or temperature signal value, so that the air conditioning system condensing pressure is maintained near the set value for the cooling operation.
  • this scheme of adjusting the outdoor fan speed to adapt to the outdoor low-temperature temperature for low-temperature cooling has certain requirements on the outdoor ring temperature use range.
  • the downwind speed scheme can generally only meet the requirements of minus 15
  • the ultra-low temperature environment of about 30 °C in winter is very common, so this wind speed reduction scheme can not guarantee the winter cooling demand of the computer room in the region.
  • most of the computer rooms are in the same building as the regular office area. Due to the relatively large volume of air-conditioning equipment, the outdoor heat-dissipating condenser is generally placed on the floor or the roof of the building during the arrangement. The machine has a certain length of piping and high and low drop. Due to the loss of pipeline resistance and the loss of the drop, the allowable piping length and drop of the unit sometimes cannot meet the actual needs of the project.
  • the present invention provides a computer room air conditioning system and a computer room.
  • the air conditioning system includes a condenser, an evaporator, a compressor, a liquid accumulator, and an electronic expansion valve.
  • the condenser, the accumulator, the electronic expansion valve, the evaporator, and the compressor form a closed loop main circuit, and the computer room air conditioning system also includes a supercharging system.
  • the component, the booster assembly can assist the compressor to increase the refrigerant pressure by accessing the main circuit of the circulation, and replace the function of the compressor when the air conditioning system of the computer room is energy-saving.
  • the pressure increasing component includes a boosting circulation pump and a first electromagnetic valve arranged in parallel, and the boosting circulation pump and the first electromagnetic valve are disposed together on the circulating main road, and the first electromagnetic valve can be controlled.
  • the booster circulation pump is selectively connected to the main circuit of the cycle.
  • the upstream side of the electronic expansion valve is provided with a pressure sensor for detecting the upstream side pressure of the electronic expansion valve.
  • the boosting circulation pump in a case where the upstream side pressure of the electronic expansion valve is less than the set pressure threshold, the boosting circulation pump is connected to the circulation main path.
  • the booster circulation pump is not connected to the circulation main path in the case where the upstream side pressure of the electronic expansion valve is greater than or equal to the set pressure threshold.
  • a second electromagnetic valve disposed in parallel with the electronic expansion valve is disposed on the circulation main road, and the second electromagnetic valve is capable of controlling the electronic expansion valve to selectively access the circulation main path.
  • a third electromagnetic valve and a fourth electromagnetic valve are disposed on the main circulation road, and the third electromagnetic valve is disposed in series with the compressor and is disposed in parallel with the fourth electromagnetic valve.
  • the booster assembly is disposed between the accumulator and the electronic expansion valve.
  • the booster assembly is disposed between the condenser and the accumulator.
  • the compressor can be assisted by the pressurizing assembly to further increase the pressure of the refrigerant, so that in the case of ultra-low temperature, if the pressure of the refrigerant cannot be ensured by the compressor alone, it can be increased.
  • the pressure component is compensated to ensure the normal operation of the air conditioning system in the equipment room, that is, the air conditioning system of the equipment room can be continuously cooled, so that the electronic equipment in the equipment room can always work in a suitable ambient temperature, so that the air conditioning system of the equipment room can always be stable and reliable. run.
  • the compressor can be turned off, and only the pressurized component is used to maintain the normal operation of the air-conditioning system of the equipment room, thereby utilizing the indoor and outdoor temperature difference.
  • the natural cooling cycle is performed, so that the computer room air conditioning system can be energy-saving, effectively reducing the PUE index of the equipment room and reducing the operating cost of the equipment room.
  • the air conditioning system of the computer room of the invention can improve its own adaptability, so that the air conditioning system of the computer room can adapt to more occasions, for example, the pipe length can be increased to some extent and the height drop limit can be widened, thereby making the machine room
  • the air conditioning system can meet the installation requirements of various building forms.
  • the pressure sensor can detect the upstream side pressure of the electronic expansion valve in real time, that is, the pressure difference between the upstream and the downstream of the electronic expansion valve can be indirectly obtained, and the pressure difference is relatively large (specifically, the upstream side pressure of the electronic expansion valve is greater than or equal to the setting).
  • pressure threshold the computer room air conditioning system can directly perform normal cooling operation, and the pressure difference is relatively small (specifically, the upstream side pressure of the electronic expansion valve is less than the set pressure threshold), the computer room air conditioning system cannot perform normal operation.
  • the computer room air conditioning system can work normally in both the low temperature environment and the ultra-low temperature environment, further improving the operational reliability of the computer room air conditioning system and ensuring the electronics in the equipment room.
  • the device is always able to operate in the most suitable temperature environment.
  • the third electromagnetic valve and the fourth electromagnetic valve can flexibly switch the computer room air conditioning system between the conventional cooling mode (including the low temperature cooling operation mode and the ultra low temperature cooling operation mode) and the energy saving mode, thereby improving the air conditioning system of the computer room. Control flexibility and enable the computer room air conditioning system to operate stably and reliably.
  • FIG. 1 is a schematic structural view of a computer room air conditioning system of the present invention
  • FIG. 2 is a schematic structural view of a computer room air conditioning system of the present invention in a normal cooling operation mode
  • FIG. 3 is a schematic structural view of a computer room air conditioning system of the present invention in an ultra-low temperature cooling operation mode
  • FIG. 4 is a schematic structural view of a computer room air conditioning system of the present invention in an energy-saving operation mode.
  • connection may also be a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • connection may also be a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the present invention provides a computer room air conditioning system, which aims to make the computer room air conditioning system
  • the low temperature environment can work normally even in the ultra-low temperature environment, and the piping length of the air conditioning system of the computer room can be increased to some extent and the height drop limit can be widened, so that the air conditioning system of the computer room can meet the installation requirements of various building forms.
  • the computer room air conditioning system of the present invention comprises a compressor 1, a condenser 3, an accumulator 4, an electronic expansion valve 8 and an evaporator 9, a condenser 3, a reservoir 4, and an electronic expansion valve.
  • the evaporator 9 and the compressor 1 form a closed loop main circuit, and the downstream side of the compressor 1 is provided with a check valve 2, and the pressurizing assembly of the present invention can assist the compressor 1 to lift the refrigerant in a manner of accessing the circulating main road. Pressure, and the function of replacing compressor 1 when the computer room air conditioning system is running energy-efficient.
  • the supercharging assembly can adopt the structure that the boosting circulation pump 5 and the electromagnetic valve cooperate, or adopt the structure of the supercharger, or adopt other supercharging structure, and those skilled in the art can flexibly set the increase in practical applications.
  • the specific structure of the pressure component can be used to assist the compressor 1 to increase the refrigerant pressure by means of the pressure-increasing component in the manner of accessing the circulation main road, and to replace the function of the compressor 1 in the energy-saving operation of the engine room air-conditioning system.
  • a pressurizing assembly may be disposed between the accumulator 4 and the electronic expansion valve 8, and may also be disposed between the condenser 3 and the accumulator 4, and those skilled in the art may flexibly set the pressurizing assembly in practical applications.
  • the specific setting position can be used as long as the pressure of the refrigerant can be increased by the pressurizing assembly, and the function of the compressor 1 can be replaced when the air conditioning system of the computer room is energy-saving.
  • the pressurizing assembly comprises a booster circulation pump 5 and a first solenoid valve 6 arranged in parallel, the booster circulation pump 5 and the first solenoid valve 6 are disposed together on the main circuit of the circulation, and the first solenoid valve 6 can control the supercharging cycle Pump 5 is selectively connected to the main circuit of the cycle.
  • the first solenoid valve 6 is opened, the booster circulation pump 5 cannot be connected to the circulation main path, the first solenoid valve 6 is closed, and the booster circulation pump 5 is connected to the circulation main path.
  • the low-temperature refrigeration system has a low voltage or other alarm failure, which causes the computer room air conditioning system to fail to operate normally.
  • the pressure difference between the upstream and downstream sides of the electronic expansion valve 8 is insufficient, that is, the refrigerant in the air conditioning system of the computer room cannot be normal.
  • the flow cycle is caused by the pressure sensor 12 on the upstream side of the electronic expansion valve 8, and the pressure sensor 12 is for detecting the upstream side pressure of the electronic expansion valve 8.
  • the pressure on the upstream side of the electronic expansion valve 8 can be detected by the pressure sensor 12, thereby indirectly determining the pressure difference between the upstream and downstream sides of the electronic expansion valve 8, and in the case where the pressure on the upstream side of the electronic expansion valve 8 is less than the set pressure threshold, the pressure is increased.
  • the circulation pump 5 is connected to the circulation main path; in the case where the upstream side pressure of the electronic expansion valve 8 is greater than or equal to the set pressure threshold, the boost circulation pump 5 is not connected to the circulation main path.
  • the circulation main path is provided with a second electromagnetic valve 7 provided in parallel with the electronic expansion valve 8, and the second electromagnetic valve 7 is capable of controlling the electronic expansion valve 8 to selectively access the circulation main path.
  • the electronic expansion valve 8 is disposed in series with the pressure sensor 12 and is disposed in parallel with the second electromagnetic valve 7. When the second electromagnetic valve 7 is opened, the electronic expansion valve 8 is not connected to the circulation main path, and the second electromagnetic valve When 7 is closed, the electronic expansion valve 8 is connected to the main circuit of the cycle.
  • the third main solenoid valve 10 and the fourth electromagnetic valve 11 are disposed on the main circulation path, and the third electromagnetic valve 10 is disposed in series with the compressor 1 and is disposed in parallel with the fourth electromagnetic valve 11.
  • the compressor 1 is connected to the circulation main path; when the third electromagnetic valve 10 is closed and the fourth electromagnetic valve 11 is opened, the compressor 1 is Take out the loop main road.
  • the pressure sensor 12 detects the upstream side pressure Pd ⁇ Pd0 + ⁇ P of the electronic expansion valve 8, it is indicated that the pressure difference between the upstream and downstream sides of the electronic expansion valve 8 is sufficient, and the room air conditioning system enters the normal cooling.
  • the operating state that is, the boosting circulation pump 5 does not need to be connected to the circulation main road, at this time, the first electromagnetic valve 6 and the third electromagnetic valve 10 are opened, the second electromagnetic valve 7 and the fourth electromagnetic valve 11 are closed, and the compressor 1 is started normally.
  • the outdoor fan is operated in accordance with the pressure value Pd detected by the pressure sensor 12.
  • the cooling operation state that is, the boosting circulation pump 5 needs to be connected to the circulation main road, at which time the first electromagnetic valve 6, the second electromagnetic valve 7 and the fourth electromagnetic valve 11 are closed, the third electromagnetic valve 10 is opened, and the boosting circulation pump 5 is Simultaneously opening with the compressor 1, the refrigerant pressure on the upstream side of the electronic expansion valve 8 is raised by the boosting circulation pump 5 until the room air conditioning system can stably operate within the permissible range, thereby realizing stable and reliable operation of the unit in an ultra-low temperature environment. .
  • the cooling capacity of the cooling room air conditioner is correspondingly reduced due to the corresponding heat generation of the electronic device.
  • the computer room air conditioning system of the present invention can be operated in an energy-saving mode, thereby reducing the PUE of the equipment room and saving the operating cost of the equipment room.
  • the computer room air conditioning system can enter the energy-saving operation mode, at which time the first solenoid valve 6 and the third solenoid valve 10 are closed, and the second solenoid valve 7 and the fourth solenoid valve 11 are opened, so that the compressor 1 is closed and connected.
  • the main circuit is circulated, and then the booster circulation pump 5 is separately opened to provide the refrigerant circulation power in the air conditioning system of the machine room, and then the natural cooling cycle is performed by using the indoor and outdoor temperature difference.
  • those skilled in the art can flexibly set the specific value of the above ⁇ T in practical applications, as long as the setting of ⁇ T can determine whether the computer room air conditioning system can enter the energy-saving operation mode.
  • PUE refers to the abbreviation of Power Usage Effectiveness, which is an index for evaluating data center energy efficiency, and is the ratio of all energy consumed by the data center to the energy used by the IT load, which has become an international A comparative measure of data center power usage efficiency, and the closer the PUE value is to 1, the higher the greening of a data center.
  • the aforementioned Pd0 may be a preset pressure value, and ⁇ P is a threshold value.
  • ⁇ P is a threshold value.
  • Pd0 may be used as a demarcation point for determining whether the pressure difference between the upstream and downstream sides of the electronic expansion valve 8 is sufficient.
  • ⁇ P ⁇ two values of Pd0 + ⁇ P and Pd0 - ⁇ P can be respectively used as a demarcation point for judging whether or not the pressure difference on the upstream and downstream sides of the electronic expansion valve 8 is sufficient.
  • the aforementioned set pressure threshold may be one value or two values, and those skilled in the art may flexibly set the set pressure threshold in practical applications, as long as the electronic pressure can be determined by setting the pressure threshold. Whether the pressure difference on the upstream and downstream sides of the expansion valve 8 is sufficient, and the adjustment and change of the set pressure threshold are not deviated from the principle and scope of the present invention, and should be limited to the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention se rapporte au domaine technique des climatiseurs de salle de serveurs, et vise à résoudre le problème selon lequel le fonctionnement normal de systèmes de climatisation de salle de serveurs existants n'est pas garanti dans des environnements à très basse température et l'installation de tels systèmes de climatisation de salle de serveurs n'est pas pratique. Plus particulièrement, l'invention concerne un système de climatisation de salle de serveurs, comprenant : un condenseur ; un évaporateur ; un compresseur ; un dispositif de stockage de liquide ; et un détendeur électronique. Le condenseur, le dispositif de stockage de liquide, le détendeur électronique, l'évaporateur et le compresseur forment un circuit de circulation principal en boucle fermée. Le système de climatisation de salle de serveurs comprend en outre un ensemble d'augmentation de pression. L'ensemble d'augmentation de pression peut être relié au circuit de circulation principal pour aider le compresseur à augmenter une pression d'un fluide frigorigène, et peut fonctionner en tant que le compresseur lorsque le système de climatisation fonctionne dans un mode d'économie d'énergie. L'invention permet à un système de climatisation de salle de serveurs de fonctionner normalement dans des environnements à très basse température, et peut augmenter une longueur d'un tuyau du système de climatisation de salle de serveurs dans une certaine mesure et réduire les limitations de différence de niveau de hauteur du système de climatisation de salle de serveurs, de telle sorte que le système de climatisation de salle de serveurs peut satisfaire diverses exigences d'installation de différents types de bâtiments.
PCT/CN2019/073159 2018-05-09 2019-01-25 Système de climatisation de salle de serveurs WO2019214297A1 (fr)

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CN201810438188.6 2018-05-09
CN201810438188.6A CN108633225B (zh) 2018-05-09 2018-05-09 机房空调***

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757958A (zh) * 2020-06-04 2021-12-07 维谛技术有限公司 一种空调***的控制方法及装置
CN114576875A (zh) * 2021-12-01 2022-06-03 祥博传热科技股份有限公司 一种低能耗型智能温感式冷却***
CN114680360A (zh) * 2022-03-04 2022-07-01 青岛海尔空调电子有限公司 用于烟草的烘干***和用于烟草的控制方法
CN115096012A (zh) * 2022-06-28 2022-09-23 鹏鸟科技(山东)有限公司 一种带气液中继器的制冷***
CN115623764A (zh) * 2022-12-19 2023-01-17 浙江德塔森特数据技术有限公司 一种基于ai和数据流的数据中心设备运行异常分析方法

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN108633225B (zh) * 2018-05-09 2021-11-26 青岛海尔空调电子有限公司 机房空调***
CN114811981A (zh) * 2021-01-27 2022-07-29 维谛技术有限公司 一种制冷***、制冷***的运行控制方法及装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353097A (zh) * 2011-06-25 2012-02-15 广东美的电器股份有限公司 一种用于机房的空调器
CN102538101A (zh) * 2012-02-17 2012-07-04 合肥工业大学 机房用热管复合型空调机组及其工作方式
CN103277880A (zh) * 2013-05-13 2013-09-04 艾默生网络能源有限公司 一种机房的制冷控制方法、装置及***
CN203286826U (zh) * 2013-05-13 2013-11-13 艾默生网络能源有限公司 一种机房的制冷控制***
CN204373249U (zh) * 2014-12-26 2015-06-03 艾默生网络能源有限公司 一种制冷控制***及一种空调
CN105783358A (zh) * 2014-12-26 2016-07-20 艾默生网络能源有限公司 一种制冷控制方法、装置、***及一种空调
CN105805825A (zh) * 2014-12-30 2016-07-27 艾默生网络能源有限公司 一种空调及其控制方法
CN108633225A (zh) * 2018-05-09 2018-10-09 青岛海尔空调电子有限公司 机房空调***
CN108662698A (zh) * 2018-05-23 2018-10-16 南京佳力图机房环境技术股份有限公司 一种节能双循环机房空调机组及其控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6590713B2 (ja) * 2016-01-28 2019-10-16 株式会社Ｎｔｔファシリティーズ 電算機室空調システム
CN106642773A (zh) * 2016-12-12 2017-05-10 珠海格力电器股份有限公司 空调***及其控制方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353097A (zh) * 2011-06-25 2012-02-15 广东美的电器股份有限公司 一种用于机房的空调器
CN102538101A (zh) * 2012-02-17 2012-07-04 合肥工业大学 机房用热管复合型空调机组及其工作方式
CN103277880A (zh) * 2013-05-13 2013-09-04 艾默生网络能源有限公司 一种机房的制冷控制方法、装置及***
CN203286826U (zh) * 2013-05-13 2013-11-13 艾默生网络能源有限公司 一种机房的制冷控制***
CN204373249U (zh) * 2014-12-26 2015-06-03 艾默生网络能源有限公司 一种制冷控制***及一种空调
CN105783358A (zh) * 2014-12-26 2016-07-20 艾默生网络能源有限公司 一种制冷控制方法、装置、***及一种空调
CN105805825A (zh) * 2014-12-30 2016-07-27 艾默生网络能源有限公司 一种空调及其控制方法
CN108633225A (zh) * 2018-05-09 2018-10-09 青岛海尔空调电子有限公司 机房空调***
CN108662698A (zh) * 2018-05-23 2018-10-16 南京佳力图机房环境技术股份有限公司 一种节能双循环机房空调机组及其控制方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757958A (zh) * 2020-06-04 2021-12-07 维谛技术有限公司 一种空调***的控制方法及装置
CN113757958B (zh) * 2020-06-04 2022-12-27 维谛技术有限公司 一种空调***的控制方法及装置
CN114576875A (zh) * 2021-12-01 2022-06-03 祥博传热科技股份有限公司 一种低能耗型智能温感式冷却***
CN114680360A (zh) * 2022-03-04 2022-07-01 青岛海尔空调电子有限公司 用于烟草的烘干***和用于烟草的控制方法
CN114680360B (zh) * 2022-03-04 2023-06-16 青岛海尔空调电子有限公司 用于烟草的烘干***和用于烟草的控制方法
CN115096012A (zh) * 2022-06-28 2022-09-23 鹏鸟科技(山东)有限公司 一种带气液中继器的制冷***
CN115623764A (zh) * 2022-12-19 2023-01-17 浙江德塔森特数据技术有限公司 一种基于ai和数据流的数据中心设备运行异常分析方法

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CN108633225A (zh) 2018-10-09

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