KR20200065181A - Air conditioning system for cloud data center using sea water and solar energies - Google Patents

Abstract

The present invention relates to an air conditioning system for a cloud data center using seawater and solar energies, and more specifically, to an air conditioning system for a cloud data center using seawater and solar energies using self-power, which supplies a required power for air conditioning by using power generated by using photovoltaic power generation, and in the case of a summer cooling load, fresh water heat-exchanged with low temperature seawater circulates in a supply duct to pre-cool and perform dehumidification by circulating below a dew point temperature, and in the case of a winter heating load, the fresh water heat-exchanged with high temperature seawater circulates in the supply duct to preheat and perform dehumidification.

Description

Air conditioning system for cloud data center using sea water and solar energies}

The present invention relates to a seawater heat source cloud data center air conditioning facility using solar power and ESS power.

Information & Communication Technology (ICT), which is essential in modern society, is a compound word of Information Technology (IT) and Communication Technology (CT). It uses hardware of information devices and information using these technologies and these technologies. Means any method of collecting, producing, processing, preserving, delivering, and utilizing.

One of the most important facilities in the field of information and communication technology is the data center. Data Center (Data Center) refers to facilities that have computer systems, communication equipment, storage (storage), and an operating center (NOC, Network Operating Center) that manages servers and networks 24 hours a day. It is a facility that handles tasks such as online shopping.

These data centers have been activated as the Internet has been activated and companies need dedicated facilities to use the Internet more quickly and conveniently. Large enterprises have started to have large-scale facilities called Internet Data Centers (IDCs), and small companies have entrusted their equipment storage and management to companies with specialized facilities to reduce costs. Internet data centers are called server hotels or rented server apartments because they manage and manage corporate Internet equipment (servers) instead.

In the case of a data center, if the power supply is interrupted even for a short time, the above-described functions are paralyzed, so a spare power supply device and a spare data communication equipment are attached. In addition, since the server equipment is sensitive to temperature and humidity, an air conditioning system is installed in the data center to cool the heat emitted from various equipment to maintain the proper temperature of 16 to 24℃ and to maintain the proper humidity of 40 to 55%. In addition, security devices and firefighting facilities are installed in the data center as well as safety devices for disasters such as earthquakes and floods.

It is known that the IT system including the server in the data center essentially uses about 50% of the total power consumption, but the air conditioning system also consumes about 37% of the total power consumption in the data center.

In other words, the data center is a facility that supplies power grids in areas requiring large amounts of data, and there is a possibility that damage to the system may occur due to the large amount of heat generated during the data processing process of the computer. Establish air conditioning facilities to control heat dissipation and dehumidification inside the center.

In the case of existing data centers, in order to replace a large amount of cooling energy, an area with a low ambient temperature was selected, or a high-efficiency cooling facility was applied to reduce energy costs, but limited development due to technological limitations and regional restrictions would be possible. It was only.

In addition, in the case of a large data center construction company such as Microsoft, a marine data center is envisioned to reduce cooling energy, but there is a problem that maintenance is difficult.

Therefore, the demand for technology to reduce energy consumption while simultaneously reducing the power consumption of the data center air conditioning system is emerging.

Republic of Korea Registered Patent Publication No. 10-1773946 (Registration on August 28, 2017)

The present invention has been devised to solve the above problems, and the object of the present invention is to take deep ocean water and supply low-temperature heat to an on-shore data center, thereby constituting the configuration of an existing air-cooled cooling facility (cooler, heat pump). It minimizes and has the effect of reducing the cooling power generated by the compressor.

In addition, the present invention is to provide a system for operating a stable air-conditioning system using constant temperature and humidity in a data center, using renewable energy from a sea water heat source, solar and power supply, and preheating pre-cooling coils.

In addition, the present invention is to reduce the peak load through the use of the ESS, to provide power to the sea water heating and cooling system by discharging at a time when solar power is not generated, and to provide a system that replaces as an emergency generator in the event of a power outage in the data center. Is to do.

In addition, in order to reduce cooling and heating power in a stable data center, it is intended to provide a system for reducing a certain level of power consumption by directly cooling or using a heat source of a heat pump using unused heat, such as seawater and lake, including deep water.

In addition, for constant temperature and humidity in the data center, fresh water exchanged with sea water in a sea water heat exchanger is cooled (heated) of the outside air through pre-cooled (pre-heated) piping and cooled (heated) using a heat pump, and fresh water at a temperature below the dew point temperature. It is intended to provide a system of dehumidification through circulation and humidification through high-pressure nozzle injection.

Other objects and advantages of the present invention will be described below, and will be learned by examples of the present invention. In addition, the objects and advantages of the present invention can be realized by means and combinations indicated in the claims.

As a means for solving the above problems,

It is an air conditioning facility installed in the cloud data center 100, the power supply unit 110 for producing electric power through the sunlight of solar energy; A seawater pump 120 installed in the ocean and receiving power from the power supply unit 110 to receive seawater (A) at low or normal temperature; A seawater heat exchanger 130 for exchanging seawater (A) taken from the seawater pump (120) with fresh water (B) to discharge the heat-exchanged seawater (A) into the ocean; An air conditioning system 140 in the cloud data center 100 receiving the heat-exchanged fresh water (B) and supplying low-temperature or normal-temperature air to the room by an air conditioner to be cooled/heated; It characterized in that it comprises a.

As described above, the present invention has the effect of operating a stable cloud data center air conditioning facility using renewable energy through deep ocean water source and solar power supply.

In addition, the present invention is equipped with an ESS so that the power of the sun is stored, reducing the large load, and discharging in a time when the photovoltaic power is not generated to supply the power of the seawater heating and cooling system, an emergency generator in the event of a power outage in the data center There is an effect that can be used as a furnace.

In addition, the present invention has an effect that can reduce the power consumption of the cloud data center air conditioning equipment.

In addition, the present invention has an effect capable of cooling, dehumidifying, and maintaining maintenance by taking seawater by land installation.

1 and 2 are views of an embodiment showing a cloud data center air conditioning facility using seawater and sunlight according to the present invention.
Figure 3 is a view of one embodiment showing a sea water pump according to the present invention.

Before describing the various embodiments of the present invention in detail, it will be appreciated that its application is not limited to the details of the configurations and arrangements of components described in the following detailed description or illustrated in the drawings. The present invention can be implemented and implemented in other embodiments and can be performed in various ways. Also, the device or element orientation (eg "front", "back", "up", "down", "top", "bottom") The expressions and predicates used herein with respect to terms such as “, “left”, “right”, “lateral”, etc. are used only to simplify the description of the present invention, and related devices Or you will see that the element simply indicates or does not mean that it should have a specific direction. Also, terms such as “first” and “second” are used herein and in the appended claims for explanation and are not intended to indicate or mean relative importance or purpose.

The present invention has the following features to achieve the above object.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to ordinary or lexical meanings, and the inventor appropriately explains the concept of terms in order to explain his or her invention in the best way. Based on the principle that it can be defined, it should be interpreted as meanings and concepts consistent with the technical spirit of the present invention.

Therefore, the configuration shown in the embodiments and drawings described in this specification is only one of the most preferred embodiments of the present invention and does not represent all of the technical spirit of the present invention, and thus can replace them at the time of application. It should be understood that there may be equivalents and variations.

Looking at one embodiment according to the present invention,

It is an air conditioning facility installed in the cloud data center 100, the power supply unit 110 for producing electric power through the sunlight of solar energy; A seawater pump 120 installed in the land or the ocean, receiving power from the power supply unit 110, and taking low or normal seawater (A); A seawater heat exchanger 130 for exchanging seawater (A) taken from the seawater pump (120) with fresh water (B) to discharge the heat-exchanged seawater (A) into the ocean; An air conditioning system 140 in the cloud data center 100 receiving the heat-exchanged fresh water (B) and supplying low-temperature or normal-temperature air to the room by an air conditioner to be cooled/heated; It characterized in that it comprises a.

In addition, it is installed between the sea water heat exchanger 130 and the air conditioning system 140, using the heat-exchanged fresh water (B) as a heat source, by raising or decreasing the heat source water (C), the low/high temperature heat source water (C ) To the air conditioning system 140, so that the cooling or heating is possible heat pump 160; Characterized in that it is further provided.

In addition, some of the fresh water (B) heat-exchanged with the sea water (A) in the sea water heat exchanger (130) is supplied to the front end of the air conditioner fan of the air conditioning system (140), by pre-cooling or heating the inflow air, so that the heat It is characterized in that to reduce the load of the pump 160.

In addition, a nozzle is installed in the heat source water (C) pipe connected to the air conditioning system 140, and the inside of the cloud data center 100 can be humidified below a preset humidity through the nozzle.

In addition, in the case of heating, the air conditioning system 140 is supplied through the duct of the ceiling of the cloud data center 100, and in the case of cooling, it is supplied through the duct of the floor of the cloud data center 100 building, and the air conditioning system The air conditioner of (140) is capable of switching in both directions according to air conditioning conditions, so that indoor air is discharged through the lower air conditioner in the case of heating, and indoor air is discharged through the upper air conditioner in the case of cooling.

In addition, by receiving power from the power supply unit 110 and storing, the peak load of the cloud data center 100 air conditioning system 140 is reduced, or the ESS can be used as an emergency generator in the event of a power outage in the cloud data center 100 (Energy storage system); Characterized in that it is further provided.

In addition, the sea water pump 120 is provided with a temperature sensor (S) for measuring the temperature of the sea water to be taken, the measured temperature of the sea water to be taken is lower than the preset temperature allowable range when cooling, or the preset temperature when heating If it is higher than the allowable range, the seawater is transferred to the seawater heat exchanger 130, and if the measured temperature of the seawater taken is the cooling/heating, each preset temperature is within the allowable range, the seawater passes only the seawater heat exchanger 130, It is characterized in that it is used directly as a heat source in the air conditioning system 140 without going through the seawater heat pump 160.

In addition, the seawater pump 120 is formed with a plurality of inlet holes 11 on the outer periphery so that the seawater (A) can be introduced therein, and the seawater sediment deposited therein is the suction pipe 51 discharged to the outside. The outer casing 10 is installed; An inner casing 20 installed in the outer casing 10 and in which clean seawater in which residual foreign matter is precipitated in the outer casing 10 flows in; A deep well pump 30 installed in the inner casing 20 to pump seawater A into the seawater heat exchanger 130 so that seawater heat can be used through heat exchange in the seawater heat exchanger 130; The core pump 30 and the outside, the inner casing (10, 20) is installed in the sacrificial anode (40) to prevent corrosion; consisting of, the inner casing (20) is the residual foreign matter in the outer casing (10) It is characterized in that a plurality of inlet holes 11' are perforated in the lower outer periphery of the deep well pump 30 so that the precipitated clean seawater (A) flows in and the seawater (A) flows in. .

In addition, after the heat exchange in the sea water heat exchanger, the discharged water discharged to the sea is characterized in that it is reused in any one of aquaculture, desalination, decontamination, building air conditioning.

Hereinafter, a cloud data center air conditioning facility using seawater and sunlight according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

Cloud data center air conditioning facilities using seawater and solar light according to the present invention include a cloud data center 100, a power supply unit 110, an ESS, a seawater pump 120, a seawater heat exchanger 130, an air conditioning system 140, and heat. And a pump 160 (heat pump).

The power supply unit 110 is to produce electric power through solar energy, and various configurations such as a solar collector may be used.

The ESS (Energy storage system) reduces the peak load of the cloud data center 100 air conditioning system 140 by receiving and storing power from the above-described power supply unit 110, or when the cloud data center 100 is powered off. It is intended to be used as an emergency generator.

The seawater pump 120 may be installed onshore, but is fixedly installed on the ocean floor when installed under the seabed (sea), receiving power from the power supply unit 110, and having low or normal seawater (at the installation position. Therefore, it is a device to take deep water, surface water, etc.).

In the case of the sea water pump 120 in the present invention, the outer casing 10, the inner casing 20, the core pump 30, the sacrificial anode 40 is made.

In the outer casing 10, a plurality of inlet holes 11 are formed in the outer periphery so that the seawater (A) can be introduced therein, and the seawater sediment deposited therein is provided with a suction pipe (51) discharged to the outside. will be. In the outer casing 10, the end of the suction pipe 51 is introduced to the inner bottom surface of the outer casing 10, and then seawater sediment in the outer casing 10 is sucked through the pumping means 52 (ex: motor, etc.). Then, it is discharged to the outside. (Sea water (A) introduced into the outer casing (10) stays inside the outer casing (10), and the remaining foreign matter in the sea water (A) is stacked on the bottom end, so that the foreign matter precipitates at the bottom inside the outer casing (10). Layer, i.e. sediment builds up.)

The inner casing 20 is installed in the outer casing 10 to have a double tube shape, and to allow clean seawater A in which residual foreign matter is precipitated in the outer casing 10. In addition, the inner casing 20 is the lower side of the deep well pump 30, so that the clean seawater (A) in which residual foreign matter is precipitated in the outer casing (10) is introduced, and the seawater (A) can be introduced therein. A plurality of inlet holes 11' are formed in the outer periphery. In addition, the inner casing 20 is also the outer casing 10, like the outer casing 10, it is possible to be fixed to the lower end of the deep sea in a single layer, whereby, the inner casing 10 together with the outer casing 10 form a double tube Have it.

The inner casing 20 also has a plurality of inlet holes 11' formed in the outer periphery like the outer casing 10. After the seawater A flows into the outer casing 10, the outer casing again. (10) It is introduced into the inner casing 20 through the inlet hole 11' of the inner casing 20. At this time, the inlet hole 11' of the inner casing 20 is to be formed on the outer periphery of the lower end in the longitudinal direction. Of course, in order for the inner casing 20 to be built in the outer casing 10 to have a double tube shape, it will be natural that the inner casing 20 must have a relatively smaller diameter than the outer casing 10.

In addition, the inner casing 20 has a predetermined inner diameter toward the longitudinal direction, and the lower end of the longitudinal direction is formed to have a smaller inner diameter than the upper end of the inner casing 20. Thus, the stepped portion 31 is generated in the portion where the inner diameter is reduced, and the stepped portion 31 serves to be fixed over the core 30 installed in the inner casing 20.

The deep pump 30 is installed in the inner casing 20 described above, by pumping the seawater (A) into the seawater heat exchanger 130, so that seawater heat can be used through heat exchange in the seawater heat exchanger 130 will be.

It will be apparent that the supply pipe of the deep well pump 30 is connected to one end of the deep well pump 30 and the other end to be used (sea water heat exchanger 130, 130). That is, the deep ocean water (seawater) is supplied through a supply pipe, so that seawater heat can be used. (Of course, the power for supplying power to drive the deep well pump 30 of the sea water pump 120 is supplied by various means through the power unit 110 described above.

In other words, the power supply unit 110 and the deep well pump 30 are electrically connected, and a control device for controlling the driving speed of the deep well pump 30 may also be selectively installed by the user in the cloud data center 100. Yes.

The sacrificial anode 40 is installed to prevent corrosion by being installed on the above-described deep well pump 30 and the outer and inner casings 10 and 20. The sacrificial anode 40 is made of iron when the deep well pump 30 is immersed in seawater (A) and filtered filtered seawater (A) is supplied to a place of use (seawater heat exchanger (130, 130)). The surface of the deep well pump 30 is ionized, and the corrosion part of the deep well pump 30, which is ionized, causes a chemical reaction with hydroxide ions, oxygen, and the like, thereby causing corrosion, and the iron part of the deep well pump 30 is ionized. If it is prevented, corrosion of the core pump 30 can be prevented, and one of the methods of preventing ionization of iron is to install the sacrificial anode 40 in the core pump 30.

In other words, if the main material of the core pump 30 is zinc (Zn), magnesium (Mg), aluminum (Al), etc., which tends to be more ionized than iron, as the sacrificial anode 40, the core pump 30 is installed oppositely to the core pump 30 , Zinc, magnesium, aluminum, etc. are ionized, and electrons generated while being ionized flow to the core pump 30 so that the iron portion of the core pump 30 is not ionized. Therefore, the sacrificial anode 40 is corroded, but it is possible to prevent corrosion of the core well pump 30. It will be appreciated that if the inner casing 20 and the outer casing 10 are also made of iron, corrosion of the inner casing 20 and the outer casing 10 can also be prevented.

The seawater heat exchanger 130 exchanges the seawater taken from the above-described seawater pump 120 with fresh water (B) to discharge the heat-exchanged seawater to the ocean (according to a user's embodiment, the discharged water discharged to the sea is aquaculture. , Desalination, decontamination, and can be reused in any one of building heating and cooling.)

The air conditioning system 140 receives fresh water (B) heat-exchanged from the sea water heat exchanger (130), and supplies air at low or normal temperature to the room by the air conditioner through the heat source of fresh water (B), thereby cooling/heating. Preferably, it is installed in the cloud data center 100.

In addition, in the case of such an air conditioning system 140, in the case of heating, it is supplied through the duct of the cloud data center 100 building ceiling, and in the case of cooling, it is supplied through the duct of the floor of the cloud data center 100 building. The air conditioner of the air conditioning system 140 can be switched in both directions according to air conditioning conditions, so that indoor air can be discharged through the lower air conditioner for heating, and indoor air can be discharged through the upper air conditioner for cooling.

The heat pump 160 is installed between the seawater heat exchanger 130 and the air conditioning system 140, using the heat-exchanged fresh water (B) as a heat source, by raising or decreasing the heat source water (C) to low / high temperature By supplying the heat source water (C) of the air conditioning system 140, it is possible to cool or heat.

Hereinafter, the operation of the air conditioning facility of the cloud data center 100 using deep ocean water and sunlight having the above-described configuration will be described.

1. As a case where the heat pump 160 is not used,

Power generated from sunlight through the power supply unit 110 is supplied to an ESS or a seawater pump 120, and the seawater pump 120 receives low-temperature seawater (deep water) by receiving power from sunlight.

The collected seawater (A) is exchanged with fresh water (B) through the seawater heat exchanger (130) and then discharged back to the ocean, and when the heat load of the cloud data center (100) is low, the heat exchanged freshwater (B) is air-conditioned immediately. It is supplied to the system 140 and supplied to the room with low temperature air by an air conditioner. (Of course, if the seawater (A) to be taken is room temperature seawater, it will be natural that it can be supplied to the room with room temperature air by an air conditioner to function as heating.)

At this time, in the present invention, the temperature sensor (S) for measuring the temperature of the sea water taken is installed, the measured temperature of the sea water to be taken is lower than the preset temperature allowable range when cooling, or more than the preset temperature allowable range when heating If it is high, the seawater is transferred to the seawater heat exchanger 130, and if the measured temperature of the seawater collected is the allowable range for each preset temperature during cooling/heating, the seawater does not pass through the seawater heat exchanger 130, and the air conditioning system ( 140) can be used directly as a heat source.

2. When the heat pump 160 is used,

The power generated from sunlight through the power supply unit 110 is supplied to the ESS or the seawater pump 120, and the seawater pump 120 receives power from the sunlight to take seawater (A) (deep water).

The collected seawater (A) exchanges heat with fresh water (B) through the seawater heat exchanger (130) and is discharged back to the ocean, and the heat exchanged fresh water (B) is used as a heat source for the heat pump (160).

The heat pump 160 is heated or reduced (heated, cooled) to supply low or high temperature heat source water (C) to the air conditioning system 140 to perform cooling or heating.

At this time, some of the fresh water (B) heat-exchanged with seawater (A) is supplied to the front end of the air conditioner fan, thereby reducing the load of the heat pump 160 by primary cooling or heating of the air. A plurality of nozzles are installed in the pipe to which the heat source water (C) is supplied, so that the humidification can be operated at a predetermined humidity or less by spraying through the nozzles.

As described above, although the present invention has been described by a limited number of embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the following will be described by those skilled in the art to which the present invention pertains. Of course, various modifications and changes can be made within the equal scope of the claims to be described.

10: outer casing 11, 11': inlet hole
20: inner casing 30: deep pump
40: sacrificial anode 51: suction tube
52: pumping means
100: cloud data center 110: power supply
120: sea water pump 130: sea water heat exchanger
140: air conditioning system 150: ESS
160: heat pump (heat pump)
A: Seawater B: Freshwater
C: Heat source water

Claims (9)

Air conditioning equipment installed in the cloud data center 100,
A power supply unit 110 that generates electric power through solar energy;
A seawater pump 120 installed on land or in the ocean, receiving power from the power supply unit 110, and taking cold or cold seawater (A);
A seawater heat exchanger 130 for exchanging seawater (A) taken from the seawater pump (120) with fresh water (B) to discharge the heat-exchanged seawater (A) into the ocean;
An air conditioning system 140 in the cloud data center 100 receiving the heat-exchanged fresh water (B) and supplying low-temperature or normal-temperature air to the room by an air conditioner to be cooled/heated;
Cloud data center air conditioning equipment using sea water and sunlight, characterized in that comprises a.
According to claim 1,
It is installed between the seawater heat exchanger 130 and the air conditioning system 140, and uses the heat-exchanged fresh water (B) as a heat source, thereby raising or decreasing the heat source water (C) to lower/high temperature heat source water (C). A heat pump 160 supplied to the air conditioning system 140 to allow cooling or heating;
Cloud data center air conditioning facility using sea water and sunlight, characterized in that it is further provided.
According to claim 2,
Some of the fresh water (B) exchanged with the sea water (A) in the sea water heat exchanger 130,
Cloud data center using seawater and sunlight, characterized in that it is supplied to the front end of the air conditioner fan of the air conditioning system 140 to pre-cool or heat the incoming air, thereby reducing the load of the heat pump 160. Air conditioning equipment.
According to claim 2,
Nozzle is installed in the heat source water (C) pipe connected to the air conditioning system 140, and the inside of the cloud data center 100 through the nozzle enables humidification at or below a preset humidity. Cloud data center air conditioning equipment using
The method according to claim 1 or 2,
The air conditioning system 140 is
In the case of heating, it is supplied through a duct on the ceiling of the cloud data center 100 building,
For cooling, it is supplied through the duct at the bottom of the cloud data center 100 building,
The air conditioner of the air conditioning system 140 can be switched in both directions according to air conditioning conditions, so that indoor air is discharged through the lower air conditioner in the case of heating, and indoor air is discharged through the upper air conditioner in the case of cooling. Cloud data center air conditioning system using seawater and solar power.
According to claim 1,
ESS (Energy) that can be used as an emergency generator in case of power failure by reducing the peak load of the cloud data center (100) air conditioning system (140) or by receiving power from the power supply unit (110) storage system);
Cloud data center air conditioning facility using sea water and sunlight, characterized in that it is further provided.
According to claim 1,
The sea water pump 120
A temperature sensor (S) is installed to measure the temperature of the sea water that is ingested.
When the measured temperature of the sea water to be taken is lower than the preset temperature allowable range during cooling or higher than the preset temperature allowable range during heating, the seawater is transferred to the seawater heat exchanger 130,
When the measured temperature of the seawater to be taken is within the allowable range of each preset temperature during cooling/heating, the seawater passes through the seawater heat exchanger 130 only, without passing through the seawater heat pump 160, and directly to the air conditioning system 140 as a heat source. Cloud data center air conditioning facility using seawater and sunlight, characterized in that it is used.
According to claim 1,
The sea water pump 120
When installed under the sea floor,
A plurality of inlet holes 11 are formed in the outer periphery so that the seawater (A) can be introduced into the inside, and the seawater sediment settled therein is an outer casing (10) through which a suction pipe (51) is discharged to the outside;
An inner casing 20 installed in the outer casing 10 and into which clean seawater in which residual foreign matter is precipitated in the outer casing 10 flows in;
A deep well pump 30 installed in the inner casing 20 to pump seawater A into the seawater heat exchanger 130 so that seawater heat can be used through heat exchange in the seawater heat exchanger 130;
The core pump 30 and the outside, the inner casing (10, 20) is installed on the sacrificial anode 40 to prevent corrosion; consists of,
In the inner casing 20, clean seawater (A) in which residual foreign matter is precipitated in the outer casing (10) flows in, and the outer periphery of the bottom of the deep well pump (30) is allowed to flow into the seawater (A). A plurality of inlet holes (11') is a cloud data center air conditioning facility using sea water and sunlight, characterized in that the perforation.
According to claim 1,
After the heat exchange in the sea water heat exchanger, the discharged water discharged to the sea
Cloud data center air conditioning facility using seawater and sunlight, characterized in that it is reused in any one of aquaculture, desalination, decontamination, and building air conditioning.

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