KR101545304B1 - Constant temperature and humidity data center system control method - Google Patents

Abstract

The present invention provides a method for controlling the thermo-hygrostat system of a data center using a heat exchanger, comprising the steps of: setting the state, i.e., temperature and humidity of intake air, which is inner air having exchanged heat, and the state, i.e., temperature and humidity of a heat exchanger on a control unit; measuring the temperature and humidity of outer air, which is provided to the heat exchanger from the outside, using a sensor for the temperature and humidity of outer air, and providing the temperature and humidity to the control unit; measuring the temperature and humidity of the heat exchanger using a sensor for the temperature and humidity of the heat exchanger, and providing the temperature and humidity to the control unit; measuring the temperature and humidity of the intake air having exchanged heat in the heat exchanger using a sensor for the temperature and humidity of intake air and providing the temperature and humidity to the control unit; and adjusting the state, i.e., temperature and humidity of the intake air, which is inner air having exchanged heat, by controlling a thermo-hygrostat system for mode C, mode B and mode A based on the measured values of the temperature and humidity of the outer air, the heat exchangers and the intake air, which is inner air having exchanged heat, by the control unit. Accordingly, operation costs can be reduced and economic benefit is generated as efficient operation is enabled by responding to the state, i.e., temperature and humidity of outer air.

Description

TECHNICAL FIELD The present invention relates to a data center constant temperature and humidity control system using a heat exchanger,

The present invention provides a data server and a rack on which a database is mounted, indirectly exchanges heat between the inside of the computer room having a work space in which a worker can work and the outside air, (Temperature and humidity) of the air supply (heat-exchanged inside air) by controlling the discharge amount of the air (heat-exchanged outside air), the cooling of the outside air according to the latent heat of evaporation of the mist, To a data center constant temperature and humidity system control method using a heat exchanger that keeps constant temperature and humidity during the year.

Typically, data centers lease computing and networking facilities to businesses and individuals, and provide services such as maintenance and maintenance by attracting customers' facilities. These data centers usually include data servers and databases, including communication devices. A plurality of racks are installed in a row and include a work space where workers can work.

On the other hand, since the apparatus including the above-described server rack is not smoothly operated at a high temperature and heat is generated during operation, the data center needs a cooling device for cooling it. Furthermore, in the case of electronic components and circuits, there is a risk of short circuit if there is a large amount of moisture in the data center, and problems such as generation of static electricity, sparks, and breakage of electronic parts are likely to occur.

Therefore, in the data center, an air conditioner for cooling and constant temperature and humidity is installed. Examples of such technologies include Korean Patent Registration Nos. 10-0478755, 10-1103394, 10-2010-0013312, The technology for various air conditioners installed in the air conditioner has been disclosed.

However, in the conventional technology, the outside air is drawn in to keep the data center at constant temperature and humidity, the outside air is cooled or heated to a specified temperature, or the outside air and the inside air are mixed with each other or the inside air is cooled by a heat exchanger using a refrigerant, Respectively.

However, the conventional technology described above has a problem in that energy consumption is increased to cool the outside air and the inside air.

The present invention is capable of indirectly exchanging heat between the indoor and the outdoor using a heat exchanger, thereby avoiding cross contamination, keeping the interior of the data center at constant temperature and humidity at all times with less energy, and improving energy efficiency The present invention provides a method of controlling a constant temperature and humidity control system of a data center using a heat exchanger capable of reducing energy consumption and operating cost by efficiently operating according to the outside air condition (temperature, humidity).

The control method of a data center constant temperature and humidity system using a heat exchanger according to the present invention is a method of controlling a constant temperature and humidity control system of a data center by providing heat of an inside of a computer room discharged through an upper flow path and exchanging heat with external heat, A temperature and humidity sensor for measuring the temperature and humidity of an air supply (heat exchanged inside air) which is disposed in the heat exchanger and performs heat exchange with the outside air and is re-supplied to the computer room, for supplying the cooled air supply (heat exchanged internal air) A humidity sensor for measuring the temperature and humidity of the heat exchanger, a humidity sensor for measuring the temperature and humidity of the heat exchanger, an outside temperature sensor for measuring the temperature and humidity of the outside air entering the heat exchanger from outside, Temperature and humidity sensor, the supply air temperature and humidity sensor, the heat exchanger temperature, the humidity sensor, the ambient temperature and humidity sensor, and the temperature and humidity sensor (Temperature and humidity) and the state of the heat exchanger (temperature and humidity) to the control unit, and a control unit for controlling the temperature and humidity control system based on the value Measuring the temperature and humidity of the outside air provided from the outside to the heat exchanger by the outside temperature and humidity sensor, and providing the measured temperature and humidity to the control unit; measuring the temperature and humidity of the heat exchanger with the heat exchanger temperature and humidity sensor and providing the measured temperature and humidity to the control unit; Measuring the temperature and humidity of the computer room using the indoor temperature and humidity sensor and providing the measured temperature and humidity to the control unit; measuring the temperature and humidity of the air supply heat exchanged in the heat exchanger with the air supply temperature and humidity sensor; And the control unit is divided into C mode, B mode and A mode based on the measured values of the temperature and humidity of the outside air, the inside air, the heat exchanger, and the air supply (heat exchanged inside air) (Temperature and humidity) of the heat-exchanged internal air).

The temperature and humidity control system according to the present invention includes an air discharge damper for controlling the discharge of the inside of the computer room from one side of the upper flow path of the computer room, an inlet blowing unit for blowing the inside air into the heat exchanger forcibly, An exhaust blowing unit for blowing out the exhaust (heat-exchanged outside air) that has undergone heat exchange with the inside air in the heat exchanger to the outside, and an air blowing unit for exchanging heat with the outside air in the heat exchanger (Heat-exchanged inside air), and an auxiliary cooling coil unit for cooling the air supply (heat-exchanged inside air) selectively, and an air supply (heat-exchanged inside air) after heat exchange with the outside air in the heat exchanger is blown to a lower flow path of the computer room (Heat exchanged inside air) cooled by heat exchange with the outside air in the air supply blowing unit and the heat exchanger is supplied to the lower flow path Bow includes a supply air inlet damper.

The control unit according to the present invention controls the constant temperature and humidity control system based on measured values of the temperature and humidity of the outside air, the inside air, the heat exchanger and the air supply (heat exchanged inside air) , Humidity), the control unit compares the measured outdoor air condition (temperature, humidity) with the set heat exchanger condition (temperature, humidity).

At this time, in the step of comparing the outside air condition (temperature and humidity) measured by the control unit according to the present invention with the set heat exchanger condition (temperature, humidity), the outdoor unit condition (temperature, humidity) (Temperature, humidity) and the state of the heat exchanger (temperature, humidity).

In the step of comparing the state (temperature and humidity) of the outside air according to the present invention with the state (temperature and humidity) of the heat exchanger, the state (temperature and humidity) of the outside air and the state , And the control unit drives the constant temperature / constant humidity system into the B mode.

Further, in the step of driving the constant temperature / constant humidity system in the B mode by the control unit according to the present invention, the B mode of the constant temperature / constant humidity system is characterized in that the control unit drives the exhaustion damper and the air supply intake damper, The control unit drives the exhaust blowing unit and adjusts the blowing amount according to the state (temperature, humidity) of the measured supply air (heat exchanged air). The control unit drives the mist spraying nozzle, (Heat-exchanged outdoor air) according to the blowing amount of the exhaust air blowing unit, and the amount of the exhaust air (heat-exchanged outdoor air) discharged from the outdoor heat exchanger (Temperature and humidity) of the air supply (heat exchanged air) to be re-supplied to the computer room after heat exchange with the outside air in the heat exchanger by cooling the outside air according to the latent heat of evaporation.

(Temperature and humidity) of the outside air and the state (temperature, humidity) of the heat exchanger are compared with each other in the step of comparing the state (temperature, humidity) , The control unit drives the thermo-hygrostatic moisture and moisture system into the C mode.

In the C mode of the constant temperature / constant humidity system, the control unit drives the exhaust vent damper, the air supply intake damper, and adjusts the opening amount The control unit drives the exhaust air blowing unit and adjusts the blowing amount according to the state (temperature, humidity) of the measured supply air (heat exchanged air), and the control unit drives the air blowing unit, And adjusting the blowing amount according to the state (temperature and humidity) of the air supply (heat exchanged air), wherein heat exchange with the outside air is performed in the heat exchanger according to the blowing amount control of the exhaust blowing unit and the air supply blowing unit, Adjust the condition (temperature, humidity) of the supply air (heat exchanged air).

In the step of comparing the measured outdoor air condition (temperature, humidity) with the measured heat exchanger condition (temperature and humidity), the control unit according to the present invention sets the outdoor air condition (temperature, humidity) , The control unit drives the thermo-hygrostatable / humidifying system in the A mode and the control unit compares the supply state (temperature, humidity) set by the control unit with the supply state (temperature, humidity) of the measured heat exchanger .

At this time, in the step of driving the constant temperature / constant humidity system in the A mode by the control unit according to the present invention, the A mode of the constant temperature / constant humidity system is a mode in which the control unit drives the exhaustion damper and the air supply intake damper, The control unit drives the mist spray nozzle and regulates the mist injection to the outside air introduced into the heat exchanger in accordance with the state of the supply air (heat exchanged air) (temperature and humidity), and the control unit controls the mist blow- Lt; / RTI >

In the step of comparing the supply state (temperature, humidity) set by the control unit according to the present invention with the supply state (temperature, humidity) of the measured heat exchanger, the state (temperature, humidity) And the control unit drives the auxiliary cooling coil unit when the supply air temperature is higher than the supply state (temperature, humidity) of the mist blowing unit, the cooling of the outside air due to the mist dispersion of the mist spraying nozzle, (Temperature and humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after exchanging heat with the outside air in the heat exchanger by air supply cooling of the cooling coil unit.

In the step of comparing the supply / discharge state (temperature, humidity) of the measured heat exchanger with the supply / discharge state (temperature / humidity) set by the control unit according to the present invention, the state (temperature, humidity) The control unit drives the exhaust air blowing unit to adjust the air blowing amount according to the state (temperature, humidity) of the measured supply air (heat-exchanged inside air) when the supply air temperature is lower than the supply state (temperature, humidity) (Temperature and humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after heat exchange with the outside air in the heat exchanger according to the blowing amount control of the air blowing unit.

The method of controlling a constant temperature and humidity control system using a heat exchanger according to the present invention has the following effects.

First, there is no fear of cross-contamination by indirectly exchanging heat between the inside and outside of the room with the heat exchanger, and the room of the data center can be maintained at constant temperature and humidity throughout the year with less energy.

Secondly, the heat exchange between the outside air and the inside air is effectively performed, and energy efficiency can be improved by using the latent heat of evaporation of water, so that the energy used can be reduced.

Third, since it is possible to operate efficiently in response to the measured outside air temperature (temperature, humidity), it is possible to reduce the operating cost and to obtain an economical gain.

1 is a view showing an example of a data center constant temperature and humidity system using a heat exchanger according to the present invention.
FIG. 2 is an exemplary view showing a heat exchanger according to the present invention. FIG.
FIG. 3 is an exemplary diagram illustrating the relationship between the constant temperature and humidity system and the control unit according to the present invention.
FIG. 4 is a block diagram showing a method of controlling a data center constant temperature and humidity system using a heat exchanger according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, at the time of the present application, It should be understood that variations can be made.

The present invention relates to a rack and a rack in which a data server including a communication device and a database are mounted in a row and indirectly exchanges heat between the inside of the computer room having a work space in which workers can work, (The temperature and the humidity), the cooling of the outside air according to the latent heat of evaporation of the mist, the cooling of the inside air, and the state of the refueling after being heat-exchanged with the outside air in the heat exchanger, The present invention relates to a data center constant temperature and humidity control system control method using a heat exchanger that adjusts temperature (temperature and humidity) to maintain the inside temperature of the computer room at constant temperature and humidity throughout the seasons.

Referring to FIG. 1, a data center constant temperature and humidity system using a heat exchanger includes an upper flow path 110 disposed at an upper portion of a computer room 100 accommodating a plurality of racks equipped with a data server and a database, And collects and discharges the preheated wastewater heated by the heat released from the rack from the upper side of the computer room 100.

At this time, an air discharge damper 111 is provided on one side of the upper flow path 110. The air discharge damper 111 adjusts the opening amount so as to control the discharge of the indoor air, .

The thermo-hygrostat chamber 200 is disposed at one side of the computer room 100 to receive the inside air of the computer room 100 discharged through the upper channel 110 and the outside air drawn in from the outside and the heat exchanger 300 After the heat exchange, the supply air (heat exchanged internal air) cooled indirectly by the heat exchange is supplied to the computer room 100 again.

A lower flow path 120 is disposed under the computer room 100 and connected to the thermostatic and hygroscopic room 200. The thermostat exchanges heat exchanged air in the thermostatic and hygroscopic room 200 with the computer 100 To the upper side.

Therefore, in the data center constant temperature and humidity system using the heat exchanger according to the present invention, the preheated internal air due to the data server and databases in the computer room 100 is collected into the upper flow path 110 disposed on the upper side of the computer room 100, The indoor heat exchanger 300 exchanges heat with outdoor air drawn in from the outside to the heat exchanger 300 to cool the indoor air to a predetermined temperature, To the computer room 100 so that the supply air (heat exchanged air) of the computer room 100 is kept at constant temperature and humidity throughout the year without influx of outside air.

The first and second flow passages 210 and 220 and the third flow passages 230 and 230 are formed in the thermostatic and hygroscopic chamber 200. The first and second flow passages 210 and 220, A fourth flow passage 240, and a heat exchanger 300 in which the inside air and the outside air indirectly exchange heat with each other.

First, the first flow passage 210 is connected to the upper flow path 110 to guide the inner air discharged from the upper flow path 110 to the heat exchanger 300.

At this time, one end of the first flow passage 210 is connected to an upper flow path 110 having an exhaust vent damper 111 for controlling the discharge amount of the indoor air according to the amount of opening, and one end and the other opposite end are connected to the heat exchange Is connected to the air inlet portion of the air conditioner (300).

The first filter 310 is installed in the air inlet portion of the heat exchanger 300 to filter fine dust contained in the air and the circulation flow of the indoor air is generated by driving the air supply unit 242, And the air is introduced into the guide path heat exchanger 300 of the first flow passage 210.

The second flow passage (220) is connected to the outside and the heat exchanger (300), and guides the outside air to the heat exchanger (300).

Here, the second flow passage 220 is provided with a first louver 221 at one side adjacent to the outside to adjust the amount of opening of the first louver 221, or to control the opening amount of the outside air through the exhaust air blowing unit 232 .

At this time, a flow of the outside air is generated by driving the exhaust air blowing unit 232.

A second filter 222 is disposed behind the first louver 221 provided in the second flow passage 220 so that fine dust, And the like.

Accordingly, the second filter 222 filters fine dust, noxious gas, and salt-containing particles in the outside air drawn from the outside through the first louver 221, and the fine dust, noxious gas, Can be prevented.

In addition, a mist spray nozzle 223 is disposed behind the second filter 222, and the mist is sprayed to the outside air in which the fine dust and the salt water are filtered by the second filter 222.

At this time, latent heat of evaporation acts on the outside air by the sprayed mist, so that the outside air is cooled, and more heat exchange is performed with the inside air in the heat exchanger 300.

The third flow passage 230 is connected to the outside and the heat exchanger 300 so that the exhaust gas (heat exchanged outdoor air) that has undergone heat exchange with the indoor air in the heat exchanger 300 is discharged to the outside.

An exhaust air blowing unit 232 is disposed in the third flow passage 230 and exhausted from the heat exchanger 300 in accordance with the driving of the exhaust air blowing unit 232 And the second louvers 231 can be smoothly discharged to the outside.

The fourth flow passage 240 is connected to the heat exchanger 300 and the lower flow passage 120 to exchange the cooled air supply heat exchanged with the ambient air in the heat exchanger 300 into the lower flow passage 120 ).

At this time, the fourth flow passage 240 is provided with the cooled supply air (heat-exchanged inside air) by heat exchange with the outside air in the heat exchanger 300 and is selectively supplied to the fourth flow passage 240 according to the state (temperature and humidity) And an auxiliary air cooling coil unit 241 for cooling the air supply (heat exchanged inside air). An air supply unit 242 is disposed behind the auxiliary cooling coil unit 241, (Heat-exchanged inside air) to the lower flow path 120. [0052]

An air supply intake damper 243 is disposed at the boundary between the fourth flow passage 240 and the lower flow passage 120 to adjust the amount of opening of the air supply intake damper 243, (Heat exchanged inside air).

The heat exchanger 300 stacks the inside air passage through which the inside air flows and the outside air passage through which the outside air flows so that the inside air and the outside air flow in a cross flow and heat exchange is performed between the outside air and the inside air Respectively.

2, the heat exchanger 300 includes a diaphragm 301 for exchanging heat between the outside air and the inside air indirectly, and a flow path for the outside air And a second member 302 for providing a flow passage of the inner air. The diaphragm 301 is formed of at least two or more plates on a plate, and a plurality of diaphragms (not shown) 301 are stacked at regular intervals from each other.

At this time, the first member 302 and the second member 303 are alternately disposed between the partition plates 301 stacked on each other to provide a flow path for the outside air and the inside air.

The first member 302 and the second member 303 are corrugated in such a manner that the upper and lower ends thereof are joined to the partition plate 301 so that the outside air flow passage passing through the passage formed by the corrugation and the outside air passage Thereby forming an air flow path.

At this time, the first member 302 and the second member 303 are arranged so as to cross each other so as to form a '+' shape in the longitudinal direction, and the inner and outer air show a cross flow, The heat of the outside air and the inside air is conducted to the diaphragm 301 so that the outside air and the inside air exchange heat with each other through the diaphragm 301. [

The joining surfaces of the partition plates 301 to which the upper and lower ends of the first member 302 and the second member 303 are joined are preferably made of the same material so that the joining force between them is doubled.

At this time, when the first and second members 302 and 303 are made of paper, the diaphragm 301 may be made of paper or may be formed by bonding paper to the surface of the base sheet of the synthetic resin material , And the diaphragm (301) is preferably made of a member capable of inducing evaporation of water.

In an embodiment of the present invention, as shown in FIGS. 1 and 2, a pair of heat exchangers 300 divided into a first heat exchanger 300 and a second heat exchanger 300 are arranged in a horizontal arrangement, The outside air is passed through the first heat exchanger 300 and then returned to the outdoor heat exchanger fluid path 320 again according to the guidance of the outside air heat exchanger fluid path 320. [ U "shaped flow to be discharged to the outside after passing through the second heat exchanger 300, and the air flows through the first heat exchanger 300 immediately after passing through the second heat exchanger 300 And the heat transfer efficiency is improved by flowing in the horizontal flow.

Therefore, the indoor air according to the present invention is indirectly exchanged with the outside air through the heat exchanger in the computer room, and then recycled back to the computer room, so that the computer room is kept at constant temperature and humidity.

The control method of the data center constant temperature and humidity control system using the heat exchanger according to the present invention controls the temperature and humidity of the outside air differently according to the state of the outside air (temperature and humidity). The control method includes a constant temperature and humidity control system, a heat exchanger disposed in the heat exchanger, An air supply temperature and humidity sensor 40 for measuring the temperature and humidity of the re-supplied supply air (heat-exchanged internal air); A heat exchanger temperature-humidity sensor 30 for measuring temperature and humidity of the heat exchanger; An outside air temperature and humidity sensor 20 for measuring the temperature and humidity of the outside air entering the heat exchanger outdoors; An inside temperature and humidity sensor (not shown) for measuring the temperature and humidity of the inside of the computer room; And a control unit (10) for controlling the temperature and humidity control system based on values provided by the supply air temperature and humidity sensor, the heat exchanger temperature, the humidity sensor and the outside / inside temperature and humidity sensor, The control unit 10 controls the air discharge damper 111 and the mist discharge nozzles 111 based on the measurement values applied from the humidity sensor 20, the heat exchanger temperature, the humidity sensor 30 and the supply air temperature and humidity sensor 40 223, an exhaust air blowing unit 232, an auxiliary cooling coil unit 241, an air supply blowing unit 242 and an air supply intake damper 243.

The method of controlling the data center constant temperature and humidity system using the heat exchanger according to the present invention will be described step by step.

4, the state (temperature and humidity) of the supply air (heat exchanged air) and the state (temperature and humidity) of the heat exchanger 300 are set to the control unit 10 in step a). S100)

The state (temperature and humidity) of the supply air (heat exchanged internal air) set in the setting step and the state (temperature and humidity) of the heat exchanger 300 are set as a reference for controlling the constant temperature and humidity system by the control unit, It is possible to adjust it by any means.

Next, in step b), the temperature and humidity of outside air provided to the heat exchanger 300 from outside by the outside air temperature and humidity sensor 20 are measured and provided to the control unit 10, and the heat exchanger temperature and humidity sensor 30 The temperature and humidity of the supply air heat exchanged in the heat exchanger 300 are measured by the supply air temperature and humidity sensor 40. The temperature and humidity of the supply air are measured by the control unit 10, (S200). ≪ RTI ID = 0.0 >

At this time, the measured values measured by the outside air temperature / humidity sensor 20, the heat exchanger temperature / humidity sensor 30, and the air supply temperature / humidity sensor 40 are preferably provided to the control unit 10 in real time, 10, and the control unit 10 may calculate the outside air temperature (temperature, humidity) by calculating the temperature and humidity of the outside air measured by the outside air temperature and humidity sensor 20.

Next, in step c), the control unit 10 distinguishes between the C mode, the B mode, and the A mode based on the measured values of the temperature and humidity of the outside air, the heat exchanger 300 and the air supply (heat exchanged air) (Temperature and humidity) of the supply air (heat exchanged air) by controlling the constant temperature and humidity system (S300).

(c) In step S300, the steps for adjusting the state (temperature and humidity) of the supply air (heat exchanged air) according to each of the C mode, the B mode and the A mode will be described in more detail.

The control unit 10 in the step c) S300 controls the constant temperature and humidity system based on the measured values of the temperature and humidity of the outdoor air, the heat exchanger 300 and the air supply (heat exchanged air) The control unit 10 controls the constant temperature and humidity system based on the measured outside air temperature (temperature, humidity). In the step of controlling the state (temperature and humidity)

 First, in step d), the control unit compares the measured outdoor temperature (temperature and humidity) with the set temperature (humidity and humidity) of the heat exchanger 300 (S400)

At this time, if the outside air condition (temperature, humidity) is higher than the state (temperature, humidity) of the heat exchanger 300 where the outside air condition (temperature and humidity) (Temperature, humidity) and the state (temperature, humidity) of the heat exchanger are compared with each other (step S410)

In the step of comparing the state (temperature and humidity) of the outside air, which is the d-1) step (S410), with the state (temperature and humidity) of the heat exchanger 300, (Temperature, humidity) of the outdoor unit 300 is higher than the state (temperature, humidity) of the heat exchanger 300 and then to d-2) 10) drives the above-mentioned constant temperature and humidity system in the B mode (S420)

At this time, in the step of d-2) step S420, the control unit 10 drives the constant temperature / constant humidity system into the B mode, and the B mode of the constant temperature / The control unit 10 drives the exhaust air blowing unit 232 to control the state of the measured supply air (heat-exchanged exhaust) (temperature The control unit 10 drives the mist spray nozzle 223 to control the blowing amount of the exhaust gas according to the state of the air supply (heat exchanged air) (temperature, humidity) 300 to regulate the mist injection into the outside air.

Therefore, the control unit 10 controls the temperature and humidity of the outside air measured by the outside air temperature and humidity sensor 20, the temperature and humidity of the heat exchanger 300 measured by the humidity sensor 30, (Temperature and humidity) based on the temperature and humidity of the supply air measured by the supply air temperature and humidity sensor 40 and calculates the outdoor air condition (temperature and humidity) (Temperature and humidity) of the heat exchanger 300 is compared with the state (temperature and humidity) of the heat exchanger 300 and the measured outside air temperature (temperature and humidity) (Temperature, humidity).

When the outdoor air condition (temperature, humidity) is high and the state (temperature, humidity) of the heat exchanger 300 is compared with the outdoor air condition (temperature and humidity), the control unit 10 sets the constant temperature / The control unit 10 controls the discharge amount of the exhaust (heat-exchanged outside air) according to the blowing amount control of the exhaust blowing unit 232 and the discharge amount of the outside air due to the latent heat of evaporation of the mist sprayed from the mist spraying nozzle 223 (Temperature and humidity) of the supply air (heat exchanged internal air) to be re-supplied to the computer room after heat exchange with the outside air in the heat exchanger 300 by cooling.

Next, in the step of comparing the state (temperature, humidity) of the outside air (the temperature and the humidity) of the outdoor unit, which is the step d-1), with the state (temperature and humidity) of the heat exchanger, Temperature, and humidity), in step d-3), the control unit drives the constant temperature / humidity system in the C mode (S430)

At this time, in the step of d-3) step S430, the C mode of the constant temperature / constant humidity system is set such that the control unit 10 controls the air discharge damper 111, (Temperature and humidity) of the measured supply air (heat-exchanged inside air) by driving the intake air blowing unit 232 by driving the intake damper 243 and adjusting the opening amount, The control unit 10 drives the air supply blowing unit 242 to adjust the blowing amount of the air supply in accordance with the state (temperature, humidity) of the measured supply air (heat exchanged air) .

Therefore, the control unit 10 controls the temperature and humidity of the outside air measured by the outside air temperature and humidity sensor 20, the temperature and humidity of the heat exchanger 300 measured by the humidity sensor 30, (Temperature and humidity) based on the temperature and humidity of the supply air measured by the supply air temperature and humidity sensor 40 and calculates the outdoor air condition (temperature and humidity) (Temperature and humidity) of the heat exchanger 300 is compared with the state (temperature and humidity) of the heat exchanger 300 and the measured outside air temperature (temperature and humidity) (Temperature, humidity).

When the outdoor air condition (temperature, humidity) is compared with the outdoor air condition (temperature, humidity) and the state (temperature and humidity) of the heat exchanger 300, the control unit 10 controls the constant temperature / The control unit controls the state of the air supply (heat-exchanged inside air) to be supplied to the computer room after heat exchange with the outside air in the heat exchanger according to the blowing amount control of the exhaust air blowing unit 232 and the air supply blowing unit 242 Temperature, humidity).

In step d), the control unit compares the measured outdoor temperature (temperature, humidity) with the set temperature (humidity) of the heat exchanger 300 (S400)

In the step d), the control unit of the control unit compares the measured outdoor air temperature (temperature and humidity) with the set state of the heat exchanger 300 (temperature and humidity) (S500), the control unit 10 drives the thermo-hygrostatable / humidifying system to the A mode (e)

In the step e), the control unit 10 drives the thermo-hygrostatable / humidifying system to the A mode, and the A mode of the thermostat / , The control unit drives the mist spray nozzles 223 to drive the mist intake nozzles 223 to drive the air supply intake dampers 243 and adjust the amount of opening of the heat exchanging dampers 243 according to the state (temperature, humidity) Adjusting the mist injection to the outside air drawn into the unit 300 and driving the exhaust blowing unit 232 to 100% by the control unit 10. [

 Next, in step e-1), the control unit 10 compares the supply state (temperature and humidity) set by the control unit 10 with the measured supply state (temperature and humidity) of the heat exchanger 300 (S510)

At this time, in the step of comparing the supply state (temperature and humidity) set by the control unit 10, which is the e-1) step S510, with the supply state (temperature and humidity) of the measured heat exchanger 300, The control unit drives the auxiliary cooling coil unit in step e-2) (S520). If the state (temperature, humidity) of the auxiliary cooling coil unit is higher than the measured supply /

Therefore, the control unit 10 controls the temperature and humidity of the outside air measured by the outside air temperature and humidity sensor 20, the temperature and humidity of the heat exchanger 300 measured by the humidity sensor 30, (Temperature and humidity) based on the temperature and humidity of the supply air measured by the supply air temperature and humidity sensor 40 and calculates the outdoor air condition (temperature and humidity) When the measured outside air condition (temperature, humidity) is lower than the set state (temperature, humidity) of the heat exchanger 300, the control unit 10 compares the constant temperature and humidity system with the A mode .

At this time, the control unit 10 adjusts the air blowing amount of the exhaust blowing unit 232 to a maximum value, and the outdoor air is cooled in the heat exchanger 300 by the cooling of the outside air according to the latent heat of evaporation of the mist sprayed from the mist spraying nozzle 223 (Temperature and humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after heat exchange.

In addition, the control unit 10 compares the supply state (temperature and humidity) set by the control unit 10 with the supply state (temperature and humidity) of the measured heat exchanger 300 to determine the state (temperature, humidity) The control unit 10 drives the auxiliary cooling coil unit 241 to cool the auxiliary cooling coil unit 241 in the heat exchanger 300 by the air supply cooling of the auxiliary cooling coil unit 241, (Temperature and humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after heat exchange with the heat exchanger.

In the step of comparing the supply state (temperature and humidity) set by the control unit 10, which is e-1) step S510, with the supply state (temperature and humidity) of the measured heat exchanger 300, (Temperature and humidity) of the heat exchanger is lower than the measured supply air temperature (temperature and humidity) of the heat exchanger, the control unit drives the exhaust air blowing unit and the measured supply air (heat exchanged air) The air blowing amount of the exhaust is adjusted according to the state (temperature, humidity) of the air conditioner (S530)

Therefore, the control unit 10 controls the temperature and humidity of the outside air measured by the outside air temperature and humidity sensor 20, the temperature and humidity of the heat exchanger 300 measured by the humidity sensor 30, (Temperature and humidity) based on the temperature and humidity of the supply air measured by the supply air temperature and humidity sensor 40 and calculates the outdoor air condition (temperature and humidity) When the measured outside air condition (temperature, humidity) is lower than the set state (temperature, humidity) of the heat exchanger 300, the control unit 10 compares the constant temperature and humidity system with the A mode .

At this time, the control unit 10 adjusts the air blowing amount of the exhaust blowing unit 232 to a maximum value, and the outdoor air is cooled in the heat exchanger 300 by the cooling of the outside air according to the latent heat of evaporation of the mist sprayed from the mist spraying nozzle 223 (Temperature and humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after heat exchange.

In addition, the control unit 10 compares the supply state (temperature and humidity) set by the control unit 10 with the supply state (temperature and humidity) of the measured heat exchanger 300 to determine the state (temperature, humidity) (Temperature, humidity) of the exhaust air blowing unit 232, the control unit 10 adjusts the air blowing amount of the exhaust air blowing unit 232 to heat the air supplied to the computer room after heat exchange with the outside air in the heat exchanger (Temperature and humidity) of the heat exchanged air).

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: Control unit 20: Ambient temperature & humidity sensor
30: Heat exchanger temperature Humidity sensor 40: Supply air temperature Humidity sensor
100: computer room 110: upper flow path
111: Air discharge damper 120:
200: constant temperature and humidity chamber 210: first flow passage
220: second flow passage 221: first louver
222: second filter 223: mist spray nozzle
230: third flow passage 231: second louver
232: exhaust blowing unit 240: fourth flow passage
241: auxiliary cooling coil unit 242: supply air blowing unit
243: Supply inlet damper 300: Heat exchanger
310: first filter 320: outdoor air heat exchanger oil flow path

Claims (12)

In controlling the data center temperature and humidity control system using a heat exchanger,
A heat exchanger disposed at one side of the computer room for exchanging heat with the outside air drawn in from the outside through a heat exchanger provided with the inside air of the computer room discharged through the upper flow path and then thermally exchanging indirectly the cold air A humidity and humidity system; An air supply temperature and humidity sensor arranged in the heat exchanger for measuring a temperature and a humidity of an air supply (heat exchanged inside air) to be heat-exchanged with the outside air and re-supplied to the computer room; A heat exchanger temperature and humidity sensor for measuring temperature and humidity of the heat exchanger; An outside air temperature and humidity sensor for measuring the temperature and humidity of outside air introduced into the heat exchanger outdoors; A temperature sensor for measuring the temperature and humidity of the inside of the computer room; And a control unit for controlling the temperature and humidity control system based on the values provided by the supply air temperature and humidity sensor, the heat exchanger temperature, the humidity sensor, the outside air temperature and humidity sensor, and the inside air temperature and humidity sensor,
Setting a state (temperature, humidity) of the supply air (heat exchanged air) and a state (temperature, humidity) of the heat exchanger to the control unit;
Measuring the temperature and humidity of the outside air provided from the outside to the heat exchanger by the outside temperature and humidity sensor and providing the measured temperature and humidity to the control unit;
Measuring the temperature and humidity of the heat exchanger using the humidity sensor and providing the measured temperature and humidity to the control unit;
Measuring the temperature and humidity of the inside of the computer room with the inside temperature and humidity sensor and providing the measured temperature and humidity to the control unit;
Measuring the temperature and humidity of the supply air exchanged in the heat exchanger with the supply air temperature and humidity sensor, and providing the measured temperature and humidity to the control unit; And
The control unit divides the C mode, the B mode, and the A mode based on the measured values of the temperature and humidity of the outside air, the inside air, the heat exchanger, and the air supply (heat exchanged inside air) (Temperature, humidity) of the data center (temperature, humidity) of the data center by using the heat exchanger.

The method according to claim 1,
The constant temperature and humidity system
An exhaust vent damper for controlling exhaust of the inside of the computer room from one side of the upper flow path of the computer room;
An inlet air blowing unit for blowing air into the interior of the heat exchanger so as to be forcedly drawn;
A mist spray nozzle for selectively spraying mist to the outside air supplied to the heat exchanger;
An exhaust blowing unit for blowing exhaust gas (heat-exchanged outside air) that has undergone equilibrium and heat exchange in the heat exchanger to the outside;
An auxiliary cooling coil unit for selectively receiving an air supply (heat-exchanged internal air) cooled by the heat exchange with the ambient air in the heat exchanger and cooling the air supply (heat-exchanged internal air);
An air supply blowing unit for blowing air (heat-exchanged internal air) having undergone heat exchange with outside air in the heat exchanger to a lower flow path of the computer room; And
And a supply inlet damper for controlling the supply of the cooled supply air (heat-exchanged inside air) to the lower flow channel by heat exchange with the outside air in the heat exchanger.

The method according to any one of claims 1 to 3,
The control unit controls the condition (temperature and humidity) of the supply air (heat exchanged air) by controlling the constant temperature and humidity system based on the measured values of the temperature and humidity of the outside air, the inside air, the heat exchanger and the air supply At this stage,
Wherein the control unit compares the measured outdoor air condition (temperature, humidity) with the set heat exchanger condition (temperature, humidity).

The method of claim 3,
In the step of comparing the measured outdoor air condition (temperature, humidity) with the set heat exchanger condition (temperature, humidity) by the control unit,
If the outside air condition (temperature, humidity) is higher than the set heat exchanger condition (temperature, humidity)
And comparing the state of the outside air (temperature, humidity) with the state of the heat exchanger (temperature, humidity).

The method of claim 4,
In the step of comparing the state (temperature, humidity) of the outside air with the state (temperature, humidity) of the heat exchanger,
If the state of the outside air (temperature, humidity) and the state of the heat exchanger (temperature, humidity)
And controlling the control unit to drive the constant temperature / constant humidity system in a B mode.

The method of claim 5,
In the step of driving the constant temperature / constant humidity system into the B mode by the control unit,
The B mode of the constant temperature /
The control unit drives the exhaust vent damper, the air supply intake damper, and adjusts the opening amount;
The control unit drives the exhaust blowing unit and adjusting the blowing amount according to the state (temperature, humidity) of the measured supply air (heat exchanged air); And
Wherein the control unit drives the mist spray nozzle and adjusts the mist spray to the outside air introduced into the heat exchanger according to the state of the supply air (heat exchanged air) (temperature, humidity)
(Heat exchanged outside air) to be supplied to the computer room after heat exchange with the outside air in the heat exchanger due to cooling of the outside air due to the latent heat of evaporation of the mist and the discharge amount of the air (Temperature, humidity) in a data center using a heat exchanger.

The method of claim 4,
In the step of comparing the state (temperature, humidity) of the outside air with the state (temperature, humidity) of the heat exchanger,
If the state of the outside air (temperature, humidity) and the state of the heat exchanger (temperature, humidity)
And controlling the control unit to drive the constant temperature / constant humidity system in the C mode.

The method of claim 7,
In the step of the control unit driving the constant temperature / constant humidity system in the C mode,
The C mode of the constant temperature /
The control unit drives the exhaust vent damper, the air supply intake damper, and adjusts the opening amount;
The control unit drives the exhaust blowing unit and adjusting the blowing amount according to the state (temperature, humidity) of the measured supply air (heat exchanged air); And
The control unit drives the air supply blowing unit and adjusts the air blowing amount according to the state (temperature, humidity) of the measured air supply (heat exchanged air). The air blowing amount of the air blowing unit and the air blowing unit And controlling the state (temperature, humidity) of the supply air (heat exchanged air) to be re-supplied to the computer room after heat exchange with the outside air in the heat exchanger.

The method of claim 3,
In the step of comparing the measured outdoor air condition (temperature, humidity) with the set heat exchanger condition (temperature, humidity) by the control unit,
If the outside air condition (temperature, humidity) is lower than the set heat exchanger condition (temperature, humidity)
The control unit driving the constant temperature / constant humidity system in an A mode; And
And comparing the supply state (temperature, humidity) set by the control unit with the supply state (temperature, humidity) of the measured heat exchanger.

The method of claim 9,
In the step of driving the constant temperature / constant humidity system into the mode A by the control unit,
The A mode of the constant temperature /
The control unit drives the exhaust vent damper, the air supply intake damper, and adjusts the opening amount;
The control unit drives the mist spray nozzle and adjusts the mist spray to the outside air introduced into the heat exchanger according to the state of the supply air (heat exchanged air) (temperature, humidity); And
And driving the exhaust blowing unit by the control unit. The method of controlling a data center constant temperature and humidity system using a heat exchanger.

The method of claim 9,
In the step of comparing the supply state (temperature, humidity) set by the control unit and the supply state (temperature, humidity) of the measured heat exchanger,
If the state (temperature, humidity) of the set supply air is higher than the measured supply air temperature (temperature, humidity) of the heat exchanger,
Wherein the control unit controls the auxiliary cooling coil unit so that exhaust air is discharged from the exhaust air blowing unit, cooling of the outside air due to mist dispersion of the mist spray nozzle, and supply air cooling of the auxiliary cooling coil unit A method for controlling a data center constant temperature and humidity system using a heat exchanger to regulate the state (temperature, humidity) of an air supply (heat exchanged air) to be re-supplied to a computer room after heat exchange with outside air.

The method of claim 9,
In the step of comparing the supply state (temperature, humidity) set by the control unit and the supply state (temperature, humidity) of the measured heat exchanger,
If the state (temperature, humidity) of the set supply air is lower than the measured supply air temperature (temperature, humidity) of the heat exchanger,
And controlling the blowing amount according to the state (temperature, humidity) of the measured supply air (temperature-exchanged air) by driving the exhaust blowing unit by the control unit, and controlling the amount of air blowing in the heat exchanger A method for controlling a data center constant temperature and humidity system using a heat exchanger to regulate the state (temperature, humidity) of an air supply (heat exchanged air) to be re-supplied to a computer room after heat exchange with outside air.

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