WO2020237743A1 - Centre de données modulaire pour la régulation de la température et de l'humidité de l'air frais - Google Patents

Centre de données modulaire pour la régulation de la température et de l'humidité de l'air frais Download PDF

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Publication number
WO2020237743A1
WO2020237743A1 PCT/CN2019/091333 CN2019091333W WO2020237743A1 WO 2020237743 A1 WO2020237743 A1 WO 2020237743A1 CN 2019091333 W CN2019091333 W CN 2019091333W WO 2020237743 A1 WO2020237743 A1 WO 2020237743A1
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WIPO (PCT)
Prior art keywords
sub
machine room
fresh air
air temperature
control module
Prior art date
Application number
PCT/CN2019/091333
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English (en)
Chinese (zh)
Inventor
丁志永
徐志炜
顾遵正
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苏州安瑞可信息科技有限公司
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Publication of WO2020237743A1 publication Critical patent/WO2020237743A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0003—Exclusively-fluid systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/04—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using stationary unheated wet elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the invention relates to the technical field of temperature and humidity control of data centers, in particular to a modular data center controlled by fresh air temperature and humidity.
  • the computer rooms of the existing evaporative refrigeration data centers are mostly integrated structures, which occupy a large area and are inconvenient for transportation and handling, which affects the volume of the computer room, and has a small capacity and cannot be expanded.
  • the technical problem mainly solved by the present invention is to provide a modular data center with fresh air temperature and humidity control, which realizes temperature and humidity adjustment, reduces energy consumption, and improves the convenience of assembly and capacity expansion.
  • a technical solution adopted by the present invention is to provide a modular data center with fresh air temperature and humidity control, including: a modular computer room, including several sub-computer rooms;
  • the control module is set inside or outside the modular computer room
  • the humidifier is located in the modular computer room and is connected to the control module to be controlled.
  • the front end of the modular computer room is provided with a fresh air valve, the humidifier is located behind the fresh air valve, and the fresh air valve is connected to the control module to control the fresh air valve
  • the opening degree to carry out the introduction of external fresh air is provided.
  • Centrifugal fans arrayed in the modular computer room and behind the humidifier, connected to the control module;
  • the exhaust valve is set at the end of the modular computer room and connected with the control module to control the opening of the exhaust valve to discharge hot air;
  • the backflow channel is independently connected between the front and back ends of the modular computer room.
  • the backflow channel is provided with a return air valve, which is connected to the control module to control the opening of the return air valve for hot air return. control.
  • the several sub-machine rooms include a first sub-machine room, a second sub-machine room and a third sub-machine room which are assembled and connected in sequence, and the first sub-machine room, the second sub-machine room and the third Door panels are respectively arranged on one side of the sub-machine room, and door locks are arranged on the door panels.
  • the upper part of the first sub-machine room, the second sub-machine room and the third sub-machine room are respectively provided with partitions to form a return channel on the top of the inner cavity.
  • the first sub-machine room, the second sub-machine room, and the third sub-machine room are respectively provided with a return machine room, and the first sub-machine room, the second sub-machine room and the third sub-machine room are respectively The return room is connected to form a return channel.
  • the front end of the first sub-machine room is provided with louvers located outside the fresh air valve
  • the humidifier is located in the first sub-machine room
  • the first sub-machine room is provided behind the fresh air valve.
  • the primary effect filter and the middle effect filter located in front of the humidifier.
  • the humidifier includes a plurality of wet film humidification modules arranged in sequence, and the first sub-machine room is provided with a water supply pipe, a pressure reducing valve, a water separator, and a solenoid valve.
  • the pressure reducing valve is connected in series between the water supply pipe and the inlet of the water separator, and several outlets of the water separator are respectively provided with water adding pipes extending to the wet film humidification module, and the solenoid valve is arranged on the water adding pipe,
  • the solenoid valve is linearly connected to the control module, the bottom of the first sub-machine room is provided with a water receiving pan located below the wet film humidification module, and the outside of the first sub-machine room is provided with a drain pipe connected to the water receiving pan, so A water baffle plate vertically arranged behind the humidifier is arranged in the first sub-machine room, and the water baffle plate is located above the water receiving tray.
  • the IT rack is located in a third sub-machine room, and the third sub-machine room is provided with a PDU corresponding to the server on the IT rack and a bus corresponding to the PDU.
  • an auxiliary mechanical refrigeration device in the modular machine room, and the auxiliary mechanical refrigeration device includes a compressor, an evaporator, and a condenser, and the compressor and the evaporator are arranged in the first In the sub-machine room, and the evaporator is located between the humidifier and the water baffle, the condenser is arranged on the exhaust valve, and the evaporator, compressor and condenser are connected by pipelines to form a closed-loop auxiliary mechanical refrigeration device .
  • the centrifugal fan is located in a second sub-machine room, and the second sub-machine room is provided with a fan pressure difference transmitter corresponding to the centrifugal fan one-to-one, and a sender located behind the centrifugal fan
  • the wind temperature and humidity sensor, the fan pressure difference transmitter and the air supply temperature and humidity sensor are respectively connected to a control module, and the control module controls the rotation speed of the centrifugal fan to achieve the target pressure difference.
  • a fresh air temperature and humidity sensor connected to the control module is provided outside the first sub-machine room, and a return air temperature and humidity sensor located behind the IT rack is provided in the third sub-machine room ,
  • the return air temperature and humidity sensor is connected to the control module, the first sub-machine room is provided with a primary-effect filter pressure difference switch corresponding to the primary-effect filter, and the first sub-machine room is provided with a The pressure difference switch of the medium-efficiency filter corresponding to the filter, the front-end opening of the return channel is located between the primary-effect filter and the medium-efficiency filter, and the third sub-machine room is provided with the third sub-machine room and the return channel.
  • the monitored cold and hot channel pressure difference transmitter, the cold and hot channel pressure difference transmitter, the primary effect filter pressure difference switch and the intermediate effect filter pressure difference switch are respectively connected to the control module.
  • a modular data center with fresh air temperature and humidity control pointed out by the present invention has a modular design, convenient handling and assembly, which is beneficial to the expansion of servers, avoids the use of air conditioners, reduces energy consumption, and adopts Introduce natural fresh air from the outside and cooperate with humidifiers to realize the temperature and humidity adjustment of the IT rack area, meet the stable use conditions of the server, reduce energy consumption and operation and maintenance costs, and monitor the temperature and humidity to conduct fresh air valves and exhaust valves With the adjustment of the opening degree of the return air valve, the comprehensive utilization of multiple modes of fresh air and hot air is realized, and the degree of intelligence is high, which is beneficial to realize unmanned management.
  • Fig. 1 is a schematic structural diagram of a preferred embodiment of a modular data center with fresh air temperature and humidity control according to the present invention
  • Figure 2 is an exploded view of Figure 1;
  • Figure 3 is a preferred implementation of a modular data center with fresh air temperature and humidity control according to the present invention.
  • FIG. 4 is a schematic structural diagram of a preferred embodiment of a circulation state in a modular data center controlled by fresh air temperature and humidity according to the present invention
  • Fig. 5 is a schematic structural diagram of a preferred embodiment of the fresh air state of a modular data center with fresh air temperature and humidity control according to the present invention.
  • FIG. 6 is a schematic structural diagram of another preferred embodiment of a modular data center with fresh air temperature and humidity control according to the present invention.
  • the embodiments of the present invention include:
  • the modular data center for fresh air temperature and humidity control as shown in Figure 1 includes: centrifugal fan 12, modular computer room 18, humidifier 10, return channel 185 and control module 13, modular computer room 18 is equipped with power distribution cabinet 4, Convenient power connection.
  • the modular machine room 18 is composed of several sub-machine rooms, which include a first sub-machine room 181, a second sub-machine room 182, and a third sub-machine room 183 that are assembled and connected in sequence, forming individual modules for easy transportation and assembly , It is also conducive to expansion and reducing expansion costs.
  • the first sub-machine room 181, the second sub-machine room 182, and the third sub-machine room 183 are positioned and connected by gussets, and the joints are sealed by sealing gaskets to avoid air leakage.
  • the inner walls of the first sub-machine room 181, the second sub-machine room 182, and the third sub-machine room 183 can be filled with heat insulation panels to reduce the adverse effects of the external high temperature.
  • the first sub-machine room 181, the second sub-machine room 182, and the third sub-machine room 183 are respectively provided with door panels on one side to facilitate maintenance.
  • the door panel 14 is provided with a door lock 15 to improve safety.
  • the return passage 185 is independently connected between the front end and the rear end of the modular machine room 18.
  • a return air valve 21 is provided in the return passage 185, and the return air valve 21 is connected to the control module 13 to control the return air valve 21 The degree of opening for hot air return control.
  • the structure of the return channel 185 is divided into two types:
  • the upper part of the first sub-machine room 181, the second sub-machine room 182, and the third sub-machine room 183 are respectively provided with partitions and a return channel 185 is formed at the top of the inner cavity.
  • the structure is simple, but the first sub-machine room 181 is added.
  • the height of the second sub-machine room 182 and the third sub-machine room 183 has an adverse effect on transportation and handling;
  • the first sub-machine room 181, the second sub-machine room 182, and the third sub-machine room 183 are respectively provided with a return machine room 184, and the first sub-machine room 181, the second sub-machine room 182 It is connected with the return machine room 184 above the third sub-machine room 183 to form a return channel.
  • the separated structure of the return machine room 184 is used to effectively control the height of the first sub-machine room 181, the second sub-machine room 182 and the third sub-machine room 183 and reduce It has an adverse effect on transportation and handling.
  • the control module 13 is installed inside or outside the modular computer room 18, using a PLC control module with a touch screen to facilitate specific operations, settings and running status display, control the amount of fresh air introduced, and use fresh air and humidifier 10 for the server environment
  • the return hot air can be used to mix fresh air to increase the supply air temperature, reduce the humidity, and switch between humidification and cooling and heating and humidity reduction, so that the temperature and humidity of the server environment are in an appropriate range.
  • the humidifier 10 is located in a first sub-machine room 181, and the humidifier 10 includes a plurality of wet film humidification modules arranged in sequence.
  • the first sub-machine room 181 is provided with a water supply pipe 5, a pressure reducing valve 6, and a water distribution pipe.
  • the pressure reducing valve 6 is connected in series between the water supply pipe 5 and the inlet of the water separator 7, and the water supply pipe 5 is connected with a water pump or a tap water pipe to supply water to the water separator 7.
  • the 8 outlets of 7 are respectively provided with water adding pipes extending to the wet film humidification module, the solenoid valve 8 is arranged on the water adding pipe, the solenoid valve 8 is linearly connected with the control module 13, and the control module 13 is based on the airflow humidity The solenoid valve 8 is controlled to maintain the stability of the internal humidity.
  • the bottom of the first sub-machine room 181 is provided with a water receiving pan located below the wet film humidification module for the collection of water flow on the wet film humidification module, which is convenient for reuse.
  • the connected drain pipe is convenient for recycling or discharge.
  • the first sub-machine room 181 is provided with a water baffle 11 vertically arranged behind the humidifier 10.
  • the water baffle 11 has a curved structure, and a curved air duct is formed between adjacent water baffles 11 to increase the air flow.
  • the contact surface makes the moisture in the air flow contact and be blocked by the water baffle 11, which is located above the water receiving plate, and the water receiving plate is used to receive the dripping water flow from the water baffle 11.
  • the front end of the first sub-machine room 181 is provided with a fresh air valve 2 and louvers 1 located outside the fresh air valve 2, and the first sub-machine room 181 is provided with a primary filter 3 located behind the fresh air valve and a humidifier 10 in front of it.
  • Medium efficiency filter 9 The fresh air valve 2 is connected with the control module 13 to control the opening degree of the fresh air valve 2 to control the introduction of external fresh air and realize the switching of the airflow mode.
  • the natural suction from the outside enters the first sub-machine room 181 through the shutters 1 and the primary filter 3 to achieve primary filtering, and then through the secondary filter 9 for further filtering to reduce dust in the airflow , To reduce the adverse impact on the server.
  • the centrifugal fan 12 array is arranged in the second sub-machine room 182 and is located behind the humidifier 10 to form a wind wall to balance the air intake of the server, reduce airflow errors, and reduce the existence of server heat islands. It is connected to the control module 13 and is automatically controlled by the control module 13 to ensure the cooling effect, which is beneficial to reduce the speed and energy consumption. After the centrifugal fan 12 works, a negative pressure is formed in the first sub-machine room 181 to guide the airflow through humidification And enter the second sub-machine room 182.
  • the second sub-machine room 182 is provided with a fan pressure difference transmitter 28 corresponding to the centrifugal fan 12 and a supply air temperature and humidity sensor 22 located behind the centrifugal fan 12, the fan pressure difference transmitter 28 and the supply air
  • the wind temperature and humidity sensors 22 are respectively connected to the control module 13, and the control module 13 controls the rotation speed of the centrifugal fan 12 to achieve the target pressure difference and achieve uniform air supply.
  • the control module 13 can adjust the opening degree of the solenoid valve 8 according to the data of the air supply temperature and humidity sensor 22, which is beneficial to control the air supply humidity.
  • the IT rack 16 is arranged in the third sub-machine room 183 and is located behind the centrifugal fan 12 for the placement of servers, and uses airflow to dissipate the servers, so that the temperature of the airflow rises.
  • the third sub-machine room 183 is provided with a PDU 17 corresponding to the server on the IT rack 16 and a bus bar 19 corresponding to the PDU 17, which facilitates the installation and power supply of the server.
  • the exhaust valve 20 is arranged at the end of the third sub-machine room 183 and is connected to the control module 13.
  • the control module 13 controls the opening of the exhaust valve 20 to discharge hot air, which is highly intelligent.
  • a fresh air temperature and humidity sensor 23 connected to the control module 13 is provided outside the first sub-machine room 181 to perform fresh air temperature and humidity detection.
  • the third sub-machine room 183 is provided with a return air temperature and humidity sensor 24 located behind the IT rack 16.
  • the return air temperature and humidity sensor is connected to the control module to detect the return air temperature and humidity, which is convenient for the control module 13 according to The set temperature and humidity are adjusted accordingly.
  • the first sub-machine room 181 is provided with a primary-effect filter pressure difference switch 25 corresponding to the primary-effect filter 3 for monitoring the pressure difference before and after the primary-effect filter.
  • the medium efficiency filter pressure difference switch 26 corresponding to the efficiency filter 9 realizes the monitoring of the pressure difference before and after the medium efficiency filter.
  • the third sub-machine room 183 is provided with a cold and hot channel pressure difference transmitter 27 that monitors the third sub-machine room 183 and the return channel 185, the cold and hot channel pressure difference transmitter 27, the primary filter pressure
  • the difference switch 25 and the medium-efficiency filter pressure difference switch 26 are respectively connected to the control module, which facilitates the monitoring and automatic control of the air pressure of each part.
  • the front opening of the return passage 185 is located between the primary filter 3 and the intermediate efficiency filter 9.
  • the air flow introduced by the return passage 185 is filtered by the intermediate efficiency filter 9 before being sent to the second sub-machine room 182 and the third sub-machine room.
  • the internal circulation can complete the heat dissipation.
  • the fresh air valve 2 and the exhaust valve 20 are closed, and the return air valve 21 is opened, and the internal circulation of air flow can be carried out;
  • the fresh air valve 2 and the exhaust valve 20 are opened, and the return air valve 21 is closed. Quickly dissipate heat, and adjust the operation of the humidifier 10 according to the humidity.
  • an auxiliary mechanical refrigeration device can be installed in the modular computer room 18.
  • the auxiliary mechanical refrigeration device includes a compressor 29, an evaporator 30, and a condenser 31.
  • the compressor 29 and the evaporator 30 are arranged in the first sub-machine room 181, and the evaporator 30 is located between the humidifier 10 and the water baffle 11, absorbs the heat in the airflow, and cools the airflow, and the compressor 29 and the evaporator
  • the device 30 is installed and transported together with the first sub-machine room 181, which improves the convenience of on-site assembly.
  • the condenser 31 can be arranged on the exhaust valve 20, and the air flow of the exhaust valve 20 is used to release heat and reduce energy consumption.
  • the evaporator 30, the compressor 29 and the condenser 31 are connected by a pipeline 32 to form a closed loop The auxiliary mechanical refrigeration device.
  • the condenser 31 is modularly assembled with the third sub-machine room 183, which is convenient for installation and transportation.
  • the present invention points out that a modular data center with temperature and humidity control for fresh air can be customized in a modular manner.
  • the design and construction speed is fast, and the difficulty of production and transportation is reduced.
  • Natural fresh air from the outside is used for internal Cooling down the heat, reducing energy consumption, and using a humidifier to adjust the humidity, to achieve the ideal operating environment of the server.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un centre de données modulaire pour la régulation de la température et de l'humidité de l'air frais, le centre de données comprenant : une salle de machine modulaire, un humidificateur (10), un ventilateur centrifuge (12), un bâti IT (16), une soupape d'évacuation (20) et un canal de retour (185). Le canal de retour (185) est raccordé de manière indépendante entre une extrémité avant et une extrémité arrière de la salle de machine modulaire, une valve de retour d'air (21) est disposée dans le canal de retour (185), la valve de retour d'air (21) est raccordée à un module de commande (13), et l'ouverture de la valve de retour d'air (21) est commandée pour effectuer une commande de retour d'air chaud. Selon le centre de données modulaire pour la régulation de la température et de l'humidité de l'air frais, la conception modulaire ainsi que le transport et l'assemblage sont commodes, le réglage de la température et de l'humidité de la zone de bâti IT (16) est assuré en introduisant l'air frais naturel externe et en coopérant avec l'humidificateur (10), des conditions d'utilisation stables d'un serveur sont satisfaites, la consommation d'énergie et les coûts de fonctionnement et de maintenance sont réduits, le degré d'intelligence est élevé, et une gestion non accompagnée peut être facilement obtenue.
PCT/CN2019/091333 2019-05-24 2019-06-14 Centre de données modulaire pour la régulation de la température et de l'humidité de l'air frais WO2020237743A1 (fr)

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CN201910436735.1A CN110173875A (zh) 2019-05-24 2019-05-24 一种新风温湿度控制的模块化数据中心
CN201910436735.1 2019-05-24

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WO2020237743A1 true WO2020237743A1 (fr) 2020-12-03

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CN113175714B (zh) * 2021-04-30 2022-08-05 西藏宁算科技集团有限公司 蒸发冷却机组及控制方法、控制装置和可读存储介质

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