JP2014186692A - Air conditioning system, air conditioning apparatus, module type data center, and air conditioning method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioning system, an air conditioning apparatus, a module type data center, and an air conditioning method capable of highly efficiently performing air conditioning in a module type casing.SOLUTION: An air conditioning system 3 includes vaporization type cooling unit 41 and a sensible heat exchanger 42 for heat-exchanging between outer air cooled by the vaporization type cooling unit 41 and air blowing into an air blow-in port 2A of a container 2 and further includes a first mode for supplying outer air to the inside of the container 2 and returning all or a part of air brown out from the inside of the container 2 into the container 2 on the basis of a temperature of air blown out from the container 2 and a second mode for returning the air blown out from the container 2 to the inside of the container 2 and performing heat exchange between air supplied to the sensible heat exchanger 42 through the vaporization type cooling unit 41 and the air returned to the inside of the container 2.

Description

  The present invention relates to an air-conditioning system, an air-conditioning apparatus, a module-type data center, and an air-conditioning method that condition air in a module-type housing in which electronic devices such as servers and communication devices are stored.

  2. Description of the Related Art In recent years, so-called modular data centers have been widely used in which equipment housing racks or the like in which electronic equipment such as servers and communication devices are housed are incorporated in modular housings such as general-purpose containers.

  A modular data center can be easily installed and installed in a short construction period because it can be transported by freight trains, trailers, ships, etc. with equipment racks pre-installed in containers. There is a merit that it is not necessary to construct a large-scale center facility and split investment is possible.

  On the other hand, when an electronic device is cooled to a predetermined temperature in a module type housing, it is necessary to control the air introduced into the module type case within a predetermined temperature range, which requires a large amount of energy. In order to improve efficiency, various techniques are disclosed (for example, refer to Patent Documents 1 and 2).

Japanese Patent No. 3833515 JP 2012-53747 A

  However, in order to operate the data center with high efficiency while accurately controlling the air in the module-type casing within a predetermined temperature range, the air conditioning technology that harmonizes the air in the module-type casing is extremely important. There is a strong social demand for improving air conditioning technology.

  The present invention has been made in consideration of such circumstances, and an air conditioning system, an air conditioning apparatus, a modular data center, and an air capable of air conditioning an electronic device or the like in a module type housing with high efficiency. It aims to provide a harmony method.

In order to solve the above problems, the present invention proposes the following means.
The invention according to claim 1 is an air conditioning system that harmonizes air in a module-type casing, wherein the cooling means cools the air taken from outside, the air cooled by the cooling means, and the inside of the module-type casing Heat exchange means for exchanging heat with the air blown into the module, supplying air taken from outside into the module-type housing, and based on the temperature of the air blown into the module-type housing, A first mode in which all or part of the air blown out from the body is recirculated into the module-type housing; air blown out from the module-type housing is recirculated into the module-type housing; And a second mode for exchanging heat between the air supplied to the heat exchange means and the air recirculated into the module-type housing. Characterized in that it is switchable configured to the first mode or the second mode.

  The invention according to claim 8 is an air conditioner that harmonizes the air in the module-type housing, the first flow path connecting the outside and an air blowing port for blowing air into the module-type housing, Cooling means for cooling the air taken in from the first flow path, a second flow path for connecting an air outlet for blowing air from the module-type housing and the outside, and the first from the second flow path. A third flow path formed to allow air to flow toward the flow path, a fourth flow path formed to allow air to flow from the downstream side of the cooling means of the first flow path to the outside, and the second flow path. A fifth flow path formed to allow air to flow from a flow path to a downstream side of a connection portion between the first flow path and the fourth flow path; air flowing through the fourth flow path; and the fifth flow path Heat exchange means for exchanging heat with air flowing through the first flow path of the first flow path and the A first flow path control unit that is formed between a connection section with four flow paths and a connection section between the first flow path and the fifth flow path, and that controls air flow in the first flow path; Second flow path control means for controlling the flow of air from the second flow path to the outside, third flow path control means for controlling the flow of air in the third flow path, and air flow in the fourth flow path A fourth flow path control means for controlling the flow; a fifth flow path control means for controlling the flow of air in the fifth flow path; and a control section, wherein the control section includes the cooling means and the heat exchange. And the first flow path control means, the second flow path control means and the third flow path control means are allowed to flow, and the fourth flow path control means and the fifth flow path control means are Blocked and blown out from inside the module type housing based on the temperature of the air blown into the module type case A first mode in which all or part of the air is recirculated into the module-type housing, and the cooling means and the heat exchange means are operated to flow through the fourth flow path control means and the fifth flow path control means. The first flow path control means, the second flow path control means, and the third flow path control means are closed, and the air blown out from the module type casing is recirculated into the module type casing. And a second mode for exchanging heat between the air supplied to the heat exchanging means via the cooling means and the air recirculated into the module-type casing, and the first mode or the second mode. It is configured to be switchable.

  The invention according to claim 15 is an air conditioning method for conditioning air in a module-type housing, wherein air taken from outside is supplied into the module-type housing and air blown into the module-type housing. A first mode in which all or part of the air blown out from the module-type housing is recirculated into the module-type housing based on the temperature of the module-type housing, and air blown from the module-type housing is sent to the module-type housing. One of the second modes in which heat is exchanged between the air supplied to the heat exchanging means via the cooling means for cooling the air taken in from the outside and the air returned to the module type housing while being recirculated into the body. Select and harmonize the air in the modular housing.

  The invention described in claim 7 is a modular data center, and includes the air conditioning system according to any one of claims 1 to 6.

  A fourteenth aspect of the present invention is a modular data center, comprising the air conditioner according to any one of the eighth to thirteenth aspects.

According to the air conditioning system, the air conditioning apparatus, the modular data center, and the air conditioning method according to the present invention, in the first mode, the air taken from the outside is supplied into the modular housing, Based on the temperature of the blown air, all or part of the air blown out from the inside of the module type casing is recirculated into the module type casing. For example, the air blown from the air outlet and the air from the outside are mixed. Thus, when air at a predetermined temperature is obtained, the inside of the module type housing can be maintained in a predetermined temperature range without cooling the air.
In the second mode, the air and the module supplied to the heat exchanging means through the cooling means for recirculating the air blown out from the module type casing into the module type casing and cooling the air taken from outside Since heat exchanged with the air recirculated into the mold casing can be performed, even when the temperature of the air taken from the outside is high, air having a predetermined temperature can be obtained.
As a result, according to the temperature of the external air and the temperature in the module type housing, the first mode and the second mode are selected to harmonize the air, so that the electronic devices in the module type housing can be efficiently operated. Air conditioning can be done.

  In this specification, an air conditioning system means a device that functions as an air conditioning apparatus by including a control unit, and is operated by operating a plurality of air conditioning systems by a single control apparatus or by remote operation. Means the target.

  A second aspect of the present invention is the air conditioning system according to the first aspect, further comprising humidity adjusting means for adjusting the humidity of the air, wherein the second mode is controlled by the humidity adjusting means by the module type housing. It is characterized in that the humidity of the air to be circulated into the body can be adjusted.

  Invention of Claim 9 is an air conditioning apparatus of Claim 7, Comprising: The humidity control means which adjusts the humidity of the air which blows in in the said module type housing | casing from the said air blowing inlet, The said control part is In the second mode, the humidity adjusting means is operated.

  The invention according to claim 16 is the air conditioning method according to claim 15, wherein in the second mode, the humidity of the air recirculated into the module-type housing is adjusted by the humidity adjusting means. To do.

  According to the air conditioning system, the air conditioning apparatus, and the air conditioning method according to the present invention, the air blown out from the inside of the module type casing is heat-exchanged with the air supplied from the outside to the heat exchange means via the cooling means. Later, the humidity is adjusted and then refluxed into the module-type housing, so that the temperature and humidity of the air blown into the module-type housing can be harmonized within a predetermined range.

  Invention of Claim 3 is an air conditioning system of Claim 1 or Claim 2, Comprising: While taking in the air taken in from the outside in the said module type housing, it blows out from the inside of the said module type housing A third mode for discharging air to the outside is provided, and the mode is switchable to any one of the first mode to the third mode.

  Invention of Claim 10 is an air conditioning apparatus of Claim 8 or Claim 9, Comprising: The said control part stops the said cooling means, the said heat exchange means, and the said humidity adjustment means, The first flow path control means and the second flow path control means can be circulated, and the third flow path control means, the fourth flow path control means and the fifth flow path control means are closed and taken in from the outside. A third mode in which the air blown into the module-type housing and the air blown out from the module-type housing is discharged to the outside, and can be switched to any one of the first mode to the third mode. It is comprised by these.

  The invention according to claim 17 is the air conditioning method according to claim 15 or claim 16, wherein air taken from the outside is supplied into the module-type housing and blown out from the module-type housing. And a third mode for discharging the air to the outside, and selecting any one of the first mode to the third mode to harmonize the air in the module type housing.

  According to the air conditioning system, the air conditioning apparatus, and the air conditioning method according to the present invention, the air taken from the outside is supplied into the module type casing, and the air blown out from the module type casing is discharged to the outside. Since the mode is provided, the energy consumption can be greatly reduced when the inside of the module type casing can be sufficiently cooled even if the outside air is blown into the module type casing as it is.

  Invention of Claim 4 is an air conditioning system of any one of Claims 1-3, Comprising: The said cooling means is equipped with the said vaporization type cooling unit, It is characterized by the above-mentioned.

  Invention of Claim 11 is an air conditioning apparatus of any one of Claims 8-10, Comprising: The said cooling means is provided with the said vaporization type cooling unit, It is characterized by the above-mentioned.

  The invention according to claim 18 is the air conditioning method according to any one of claims 15 to 17, wherein the cooling means is provided with a vaporization type cooling unit. .

  According to the air conditioning system, the air conditioning apparatus, and the air conditioning method according to the present invention, the cooling means includes the vaporization type cooling unit, and the cooling water and the air are brought into contact with each other to cool the temperature of the air. Compared to an air conditioner equipped with, energy consumption can be greatly reduced.

  Invention of Claim 5 is an air conditioning system of any one of Claims 2-4, Comprising: The said humidity adjustment means is provided with a desiccant unit, It is characterized by the above-mentioned.

  A twelfth aspect of the present invention is the air conditioner according to any one of the ninth to eleventh aspects, wherein the humidity adjusting means includes a desiccant unit.

  A nineteenth aspect of the present invention is the air conditioning method according to any one of the sixteenth to eighteenth aspects, wherein the humidity adjusting unit includes a desiccant unit.

  According to the air conditioning system, the air conditioning apparatus, and the air conditioning method according to the present invention, as the humidity adjusting means, the one provided with the desiccant unit is used, so that energy consumption in humidity adjustment can be greatly reduced.

  Invention of Claim 6 is an air conditioning system of any one of Claims 1-5, Comprising: The direction which leaves | separates the air discharged | emitted outside from the air intake which takes in air from the exterior It is characterized by being discharged.

  Invention of Claim 13 is an air conditioning apparatus of any one of Claims 8-12, Comprising: The air discharged | emitted from the said 2nd flow path is the air discharged | emitted. The first flow path is configured to be separated from an air intake port that takes in air.

  The invention according to claim 20 is the air conditioning method according to any one of claims 15 to 19, wherein the air discharged to the outside is separated from the air intake port for taking in air from the outside. It is characterized by being discharged.

  According to the air conditioning system, the air conditioning apparatus, and the air conditioning method according to the present invention, the air discharged to the outside is discharged from the air discharge port by discharging in a direction away from the air intake port that takes in air from the outside. Therefore, it is possible to prevent air having a high temperature from being taken in from the air intake port, and as a result, air conditioning can be performed with high efficiency.

  According to the air conditioning system, the air conditioning apparatus, the module type data center, and the air conditioning method according to the present invention, it is possible to air condition the electronic devices in the module type housing with high efficiency.

1 is a perspective view showing a schematic configuration of a modular data center according to an embodiment of the present invention. It is a top view which shows schematic structure of the modular data center which concerns on one Embodiment. It is a conceptual diagram which shows schematic structure of the air conditioning apparatus which concerns on one Embodiment. It is a longitudinal cross-sectional view which shows schematic structure of the air conditioning apparatus which concerns on one Embodiment, (A) contains the part in which an air intake port is formed, (B) shows including the part in which an air exhaust port is formed. ing. It is a figure which shows the cross section which shows schematic structure of the air conditioning apparatus which concerns on one Embodiment, (A) is the AA cross section in FIG. 4, (B) is the BB cross section in FIG. FIG. 4 shows a CC cross section in FIG. It is a flowchart which shows the outline of an example of the air conditioning apparatus which concerns on one Embodiment. It is a flowchart which shows the outline of the 1st mode of the air conditioning apparatus which concerns on one Embodiment. It is a flowchart which shows the outline of the 2nd mode of the air conditioning apparatus which concerns on one Embodiment. It is a flowchart which shows the outline of the 3rd mode of the air conditioning apparatus which concerns on one Embodiment. It is a conceptual diagram which shows the flow of the air at the time of driving the air conditioning apparatus which concerns on one Embodiment in 1st mode. It is a figure which shows the flow of the air in the air conditioning apparatus at the time of driving | running the air conditioning apparatus which concerns on one Embodiment in 1st mode, (A) is a longitudinal cross-sectional view shown to FIG. 4 (A), (B). FIG. 4B is a longitudinal sectional view shown in FIG. 4B, FIG. 4C is an AA cross section in FIG. 4, FIG. 4D is a BB cross section in FIG. 4, and FIG. It is a figure which shows the flow of. It is a conceptual diagram which shows the flow of the air at the time of driving the air conditioning apparatus which concerns on one Embodiment in 2nd mode. It is a figure which shows the flow of the air in the air conditioning apparatus at the time of driving the air conditioning apparatus which concerns on one Embodiment in 2nd mode, (A) is a longitudinal cross-sectional view shown to FIG. 4 (A), (B). FIG. 4B is a longitudinal sectional view shown in FIG. 4B, FIG. 4C is an AA cross section in FIG. 4, FIG. 4D is a BB cross section in FIG. 4, and FIG. It is a figure which shows the flow of. It is a conceptual diagram which shows the flow of the air at the time of driving the air conditioning apparatus which concerns on one Embodiment in 3rd mode. It is a figure which shows the flow of the air in the air conditioning apparatus at the time of driving the air conditioning apparatus which concerns on one Embodiment in 3rd mode, (A) is a longitudinal cross-sectional view shown to FIG. 4 (A), (B) FIG. 4B is a longitudinal sectional view shown in FIG. 4B, FIG. 4C is an AA cross section in FIG. 4, FIG. 4D is a BB cross section in FIG. 4, and FIG. It is a figure which shows the flow of.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a diagram illustrating a schematic configuration of a container type data center (module type data center) according to an embodiment. Reference numeral 1 denotes a container type data center, reference numeral 2 denotes a container (module type casing), and Reference numeral 3 denotes an air conditioner (air conditioner). FIG. 2 is a plan view showing a schematic configuration of the container-type data center 1.

  As shown in FIG. 1, the container-type data center 1 includes a container 2 and an air conditioner 3, and the container 2 and the air conditioner 3 are connected via an air inlet 2A and an air outlet 2B. The air in the container 2 is harmonized by blowing air from the air conditioner 3 into the container 2 through the air blowing port 2A and blowing out air in the container 2 through the air blowing port 2B. It has become.

  In addition, as shown in FIG. 1, the container-type data center 1 includes, for example, a container 2 and an air conditioner 3 that are formed to have the same length and width, and between adjacent container-type data centers 1. By providing a slight gap, a plurality of container-type data centers 1 can be arranged in parallel.

  Further, for example, as shown in FIG. 1, the air conditioner 3 discharges the high-temperature air F20 discharged to the outside in a direction away from the air F10 to be taken in, and the air F10 into which the high-temperature air F20 is taken in. To prevent mixing.

  The container 2 is made of, for example, steel or aluminum and has a so-called double floor member in which a floor plate is disposed with a space between the bottom wall, a side wall portion standing on the floor member, and a side wall portion. And a ceiling member arranged at the top.

  In the container 2, as shown in FIG. 2, a computer room 21 and a buffer room 25 are formed in the internal space, and a plurality of racks 22 can be arranged in the computer room 21. For example, electronic devices such as servers and communication devices, and power supply devices can be accommodated. As the container 2, for example, a freight container having a standardized outer shape can be used.

  In the computer room 21, a plurality of racks 22 are arranged, and a cold aisle 21A is formed on the air blowing port 2A side and a hot aisle is formed on the air blowing port 2B side with the rack group interposed therebetween. . Further, for example, a shield 24 is formed between the cold aisle 21A and the hot aisle 21B, and the air flowing from the cold aisle 21A to the hot aisle 21B uniformly passes through the electronic devices and the like housed in the rack 22. Can be cooled efficiently.

The buffer chamber 25 is formed between the computer room 21 and the outside of the container 2, and is an area that communicates between the computer room 21 and the outside of the container 2, and the inflow of outside air and dust into the computer room 21 Etc. can be suppressed.
The buffer chamber 25 includes a first door 25A that allows communication between the buffer chamber 25 and the cold aisle 21A, a second door 25B that allows communication between the buffer chamber 25 and the hot aisle 21B, and a buffer chamber. An external door 25 </ b> C that enables communication between the inside of the container 25 and the outside of the container 2 is formed.
Moreover, as shown in FIG. 2, the door which connects the inside of the computer room 21 and the exterior directly may be formed.

  As shown in the conceptual diagrams of FIGS. 2 and 3, the air conditioner 3 includes, for example, a housing 30, a first flow path 31, a second flow path 32, a third flow path 33, and a fourth flow. A passage 34, a fifth flow path 35, an air inlet temperature sensor 41T, a vaporization cooling unit (cooling means) 41, a sensible heat exchanger (heat exchange means) 42, an air inlet temperature sensor 43T, Air inlet dew point temperature sensor 43S, desiccant unit (humidity adjusting means) 43, first damper (first flow path control means) 31D, second damper (second flow path control means) 32D, and third damper (Third flow path control means) 33D, fourth damper (fourth flow path control means) 34D, fifth damper (fifth flow path control means) 35D, circulation fan 31F, exhaust fan 34F, control Unit 36, and the control unit 36 includes the temperature inside the container-type data center 1 and the outside The air conditioning mode can be changed by switching from the first mode to the third mode based on the air temperature.

The first flow path 31 connects the outside of the housing 30 and the air inlet 2A that blows air into the container 2 through the air intake 3A so that air can circulate. A filter 31B, an air intake temperature sensor 41T, a vaporization cooling unit 41, a first damper 31D, a circulation fan 31F, a desiccant unit 43, an air inlet temperature sensor 43T, and an air inlet dew point temperature sensor 43S are arranged.
The first damper 31 </ b> D controls the air flow in the first flow path 31 based on an instruction from the control unit 36.

The second flow path 32 connects the outside of the housing 30 and the air outlet 2B that blows air out of the container 2 and the outside through the air outlet 3B so that air can flow, for example, in the vicinity of the air outlet 3B The second damper 32D is disposed at the end.
The second damper 32D controls the air flow in the second flow path 32 based on an instruction from the control unit 36.

The third flow path 33 allows air to flow through the second flow path 32 and the first flow path 31 via the connection portion 23J of the second flow path 32 and the connection portion 13J of the first flow path 31. The third damper 33D is arranged on the way.
The third damper 33 </ b> D controls the air flow in the third flow path 33 based on an instruction from the control unit 36.

The fourth flow path 34 connects the connection portion 14J located on the downstream side of the vaporization-type cooling unit 41 of the first flow path 31 and the outside of the housing 30 so that air can flow therethrough. A heat exchanger 42, an exhaust fan 34F, and a fourth damper 34D are arranged.
The fourth damper 34 </ b> D controls the air flow in the fourth flow path 34 based on an instruction from the control unit 36.

The fifth flow path 35 connects the connection portion 25J of the second flow path 32 and the connection portion 15J of the first flow path 31 so that air can flow, and in order from the connection section 25J, the fifth damper 35D, sensible heat. An exchanger 42 is arranged. The connecting portion 15J is located between the first damper 31D of the first flow path 31 and the circulation fan 31F.
The fifth damper 35D is configured to control the air flow in the fifth flow path 35 based on an instruction from the control unit 36.

  The circulation fan 31F is operated and stopped by a manual operation, for example, and is configured to be operated with a constant air volume. Note that the air volume of the circulation fan 31F can be set manually.

  For example, the exhaust fan 34F is operated and stopped in correspondence with the setting mode (first mode to third mode) input to the control unit 36, and is operated in the second mode. Based on the temperature detected by the air inlet temperature sensor 43T, the air volume proportional control by the inverter is possible.

  For example, the evaporative cooling unit 41 is supplied with cooling water in a hermetically sealed casing, and when the supplied cooling water and the air taken from the outside pass through a heat exchange unit such as a fin, The air is cooled by sensible heat or heat of vaporization. When the cooling water decreases, the cooling water is newly replenished. As the vaporization type cooling unit 41, a known unit can be applied.

In this embodiment, the evaporative cooling unit 41 is configured such that air flows through the heat exchange section when the exhaust fan 34F is operated.
Further, when the vaporization type cooling unit 41 is in an operating state, it is ON / OFF controlled based on the temperature of the air detected by the air intake temperature sensor 41T. It is comprised so that the air which distribute | circulates a heat exchange part may be cooled.

The sensible heat exchanger 42 exchanges heat with the air passing through the fifth flow path 35 when the air cooled by the vaporization type cooling unit 41 passes through the fourth flow path 34, The air passing therethrough can be cooled, and a well-known sensible heat exchanger can be used.
Further, in this embodiment, the sensible heat exchanger 42 exhibits a function when the exhaust fan 34 </ b> F is operated, and cools the air passing through the fifth flow path 35.

  The desiccant unit 43 includes, for example, a honeycomb rotor, a fan, and a regenerative heater provided in the housing. The honeycomb rotor absorbs moisture in the air to generate dry air, and humidification releases the absorbed moisture by hot air. Function, and the humidity can be adjusted by the dehumidifying function and the humidifying function.

  In this embodiment, the desiccant unit 43 includes a channel 43A for releasing moisture into the fourth channel 34, a channel 43B for releasing moisture into the first channel 31, and the first channel 31. It has a flow path 43C for taking in air and adsorbing moisture, and a flow path 43D for taking in air in the fourth flow path 34 and adsorbs moisture, and operates when the exhaust fan 34F is operated. It has come to be.

  With the above configuration, the desiccant unit 43 adsorbs moisture contained in the air in the fourth flow path 34 and releases it to the air in the first flow path 31, or adsorbs moisture contained in the air in the first flow path 31. The humidity of the air flowing through the first flow path 31 is adjusted by releasing the air into the fourth flow path 34. In addition, the desiccant unit 43 can apply a well-known thing, and may connect with flow paths other than the 4th flow path 34 at the time of humidity adjustment.

  In the operating state, the desiccant unit 43 adjusts the humidity based on the dew point temperature of the air detected by the air blowing port dew point temperature sensor 43T, and the dew point temperature of the air blowing into the air blowing port 2A falls within the set range. It is configured as follows.

  The control unit 36 can switch between the first mode, the second mode, and the third mode. In this embodiment, the setting of the first mode, the second mode, and the third mode is performed by manual operation. ing.

  By executing the first mode, the control unit 36 supplies the air taken from the outside into the container 2 and, based on the temperature of the air blown into the container 2 detected by the air blowing port temperature sensor 43T, By proportionally controlling the 2 damper 32 </ b> D and the third damper 33 </ b> D, all or part of the air blown out from the container 2 is returned to the container 2.

  In addition, the control unit 36 executes the second mode to recirculate the air blown out from the container 2 into the container 2, and the air blown into the container 2 detected by the air blowing port dew point temperature sensor 43 </ b> S. Based on the temperature, the air volume of the exhaust fan 34F is proportionally controlled by the inverter to exchange heat between the air supplied to the sensible heat exchanger 42 via the vaporization cooling unit 41 and the air recirculated into the container 2. It is like that. Further, the humidity of the air to be recirculated into the container 2 is adjusted by the desiccant unit 43.

  Further, the control unit 36 performs the third mode to blow air taken from outside into the container 2 and discharge air blown from inside the container 2 to the outside.

Next, with reference to FIG. 4 and FIG. 5, the outline of arrangement | positioning in the housing | casing 30 of the air conditioning apparatus 3 is demonstrated.
FIG. 4 is a diagram showing a longitudinal sectional view showing a schematic configuration of the air conditioner 3, and FIG. 4 (A) includes a portion where an air intake 3A is formed when the air conditioner 3 is viewed from the side. FIG. 4B is a longitudinal sectional view including a portion where the air discharge port 3B is formed when the air conditioner 3 is viewed from the side.

FIG. 5A is a diagram showing a cross section taken along line AA in a state where FIG. 4A and FIG. 4B are arranged side by side, and FIG. 5B is similarly a cross section taken along line BB in FIG. FIG. 5C is a view showing a cross section taken along the line CC in FIG. In this embodiment, the inside of the housing 30 has a structure in which the portions shown in FIGS. 4 (A) and 4 (B) are roughly divided by the partition wall.
The housing 30 has a generally three-layer structure as shown in FIGS. 5A, 5 </ b> B, and 5 </ b> C. FIG. FIG. 5B shows the second floor portion, and FIG. 5C shows the first floor portion.

Hereinafter, with reference to FIG. 4 (A) and FIG. 5 (A)-(C), the side in which the air intake 3A side of the air conditioning apparatus 3 is formed is demonstrated.
First, the inside of the housing 30 is formed with a first flow path 31 that connects the outside and the air blowing port 2A formed in the container so as to be able to circulate, and the first flow path 31 is externally connected to the air blowing port 2A. The flow path space 311, the flow path space 312, the flow path space 313, and the flow path space 314 are arranged in this order.

The flow path space 311 is connected to the outside via the gallery 31A and formed in the first floor portion, and a partition wall portion is formed between the second floor.
Further, the flow path space 312 is connected to the flow path space 311 via the filter 31B, is formed in the first floor portion, and an opening that forms the connection portion 14J in FIG. 3 is formed between the second floor. ing.

The flow path space 313 is connected to the flow path space 312 via the first damper 31D, and is formed in a portion including the first floor to the second floor.
The flow path space 314 is connected to the flow path space 313 via the circulation fan 31F, is formed in a portion including the first floor to the second floor, opens to the air blowing port 2A, and passes through the air blowing port 2A. Are connected to the computer room 21 in the container 2.

  As shown in FIGS. 4 (A) and 5 (B), the second floor portion includes a fifth flow path 35 formed above the flow path space 311 with the separation partition wall interposed therebetween, a sensible heat exchanger 42, 1 A channel space 313 and a channel space 314 extending from the floor are formed.

As shown in FIGS. 5A and 5B, the fifth flow path 35 is formed in a portion including the second floor and the third floor.
The sensible heat exchanger 42 is disposed substantially at the center in the up-down direction and the left-right direction when viewed from the side, and a fifth flow path 35 extending toward the flow path space 313 is formed in the left-right direction inside the sensible heat exchanger 42. In addition, a fourth flow path 34 extending upward from the flow path space 312 is formed in the vertical direction. With this configuration, the air flowing through the fifth flow path and the air flowing through the fourth flow path can exchange heat in the sensible heat exchanger 42.

As shown in FIG. 5 (A), the third floor portion is formed with a fifth flow path 35 and a fourth flow path 34 separated through the fifth flow path 35 and the partition wall portion. 34 is connected to the outside via an exhaust fan 34F and a fourth damper 34D.
In this embodiment, the space between the exhaust fan 34F and the fourth damper 34D is located above the flow path space 313 and the flow path space 314, and a partition wall is provided between the flow path space 313 and the flow path space 314. The part is formed.

Hereinafter, the side on which the air discharge port 3B side of the air conditioner 3 is formed will be described with reference to FIGS. 4B and 5A to 5C.
First, in the inside of the housing 30, the fifth flow path 35 going from the air outlet 2 </ b> B to the outside on the first and second floors is away from the air outlet 2 </ b> B of the housing 30 from the air outlet 2 </ b> B. Connected to the fifth flow path 35 formed on the third floor through an opening extending from the second floor to the third floor (on the left side in the drawing) and on the third floor, on the air outlet 3B side It extends and communicates with the outside via the second damper 32D.
In this embodiment, the second damper 32D and the fourth damper 34D constitute an air discharge port 3B.

  Further, as shown in FIGS. 5 (A) to 5 (C), a partition wall is formed between the first flow path 31 and the fifth flow path 35, and the third damper 33D is interposed therebetween. The second flow path 32 and the flow path space 312 are connected, and the second flow path 32 and the fifth flow path 35 are connected via the fifth damper 35D.

  As described above, the first flow path 31 opens to the air inlet 3A and is formed from the air intake 3A toward the air inlet 2A, and the second flow path 32 is formed from the air outlet 2B. Since it extends once to the inlet 3A side and then turns upward and then extends to the air outlet 3B and is connected to the outside, the high-temperature air discharged from the air outlet 3B is supplied to the air inlet 3A. The high-temperature air discharged in the direction away from the air and discharged from the air discharge port 3B is prevented from being mixed with the air taken in from the air intake port 3A.

Next, the operation of the air conditioner 3 will be described with reference to FIGS.
FIG. 6 is a flowchart showing switching from the first mode to the board 3 in the air conditioner 3.
(1) First, one of the first mode, the second mode, and the third mode is selected and input (S1).
(2) Next, it is determined which of the first mode, the second mode, and the third mode has been input (S2).
If the determination in S2 is the first mode, the process proceeds to S3. If the determination is in the second mode, the process proceeds to S4. If the determination is in the third mode, the process proceeds to S6.
(3) The first mode process is executed (S3).
(4) The second mode process is executed (S4).
(5) The third mode process is executed (S6).
When the execution of S3, S4, and S6 is completed, the operation is stopped.

Next, with reference to FIG. 7, the 1st mode process of the air conditioning apparatus 3 is demonstrated.
FIG. 7 is a flowchart showing the operation of the first mode in the air conditioner 3.
(1) First, the circulation fan 31F is operated manually, and the first mode process is started (S31).
(2) It is determined whether or not the circulation fan 31F is in operation (S32).
If the determination in S32 is that the circulation fan 31F is in operation (S32: YES), the process proceeds to S33, and if the circulation fan 31F is stopped (S32: NO), the process proceeds to S38.
(3) Next, the circulation fan 31F is quantitatively operated (S33).
(4) Next, damper control is executed (S34).
(5) Next, it is determined whether the temperature of the blown air is within the set value range (S35).
If the determination in S35 is within the set value range (S35: YES), the process proceeds to S36, and if not within the set value range (S35: NO), the process proceeds to S31.
(6) The air volume control operation is performed by proportionally controlling the opening degree of the second damper 32D and the third damper 33D (S36).
(7) The second damper 32D and the third damper 33D are controlled to have an opening degree of 100% (fully open) (S37).
(8) The first mode of the air conditioner 3 is stopped (S38).
The first mode is terminated.

Next, the second mode process of the air conditioner 3 will be described with reference to FIG.
FIG. 8 is a flowchart showing the operation of the second mode in the air conditioner 3.
(1) First, the circulation fan 31F is operated manually, and the second mode process is started (S41).
(2) It is determined whether or not the circulation fan 31F is in operation (S42).
If the determination in S42 is that the circulation fan 31F is in operation (S42: YES), the process proceeds to S43, and if the circulation fan 31F is stopped (S42: NO), the process proceeds to S55.
(3) Next, the exhaust fan 34F is operated (S43).
(4) Next, damper control is executed (S44).
(5) Next, it is determined whether the temperature of the air taken in from the outside air is within the set value set value range (S45).
If the determination in S45 is within the set value range (S45: YES), the process proceeds to S46, and if not within the set value set value range (S45: NO), the process proceeds to S49.
(6) Next, the vaporization type cooling unit 41 is operated (S46).
(7) The vaporization type cooling unit 41 is allowed to pass (S47).
(8) When the exhaust fan 34F is operated, air flows through the fourth flow path 34 of the sensible heat exchanger 42, and the sensible heat exchanger 42 is in a state where it can perform its function (S48).
(9) Next, it is determined whether the humidity of the air blown from the air blowing port 2A is outside the set value range (S49). Whether the humidity of the air is outside the set range is determined based on, for example, whether the dew point temperature of the air blown into the air blowing port 2A is within the set value range.
If the determination in S49 is outside the setting range (S49: YES), the process proceeds to S50, and if not (S49: NO), the process proceeds to S51.
(10) Humidification and dehumidification operations are performed by the desiccant unit 43 (S50).
(11) Pass the desiccant unit 43 (S51).
(12) Next, it is determined whether or not the dew point temperature of the air blown out from the air outlet 2B is within the set value range (S52).
If the determination in S52 is within the set value set value range (S52: YES), the process proceeds to S53, and if not within the set value set value range (S52: NO), the process proceeds to S54.
(13) The air volume of the exhaust fan 34F is controlled by the inverter (S53).
When S53 is executed, the process proceeds to S41.
(14) The exhaust fan 34F is quantitatively operated (S54).
When S54 is executed, the process proceeds to S41.
(15) The second mode of the air conditioner is stopped (S55).
The second mode is terminated.

Next, with reference to FIG. 9, the 3rd mode process of the air conditioning apparatus 3 is demonstrated.
FIG. 9 is a flowchart showing the operation of the third mode in the air conditioner 3.
(1) First, the circulation fan 31F is operated manually, and the third mode process is started (S61).
(2) It is determined whether or not the circulation fan 31F is in operation (S62).
If the determination in S62 is that the circulation fan 31F is in operation (S62: YES), the process proceeds to S63, and if the circulation fan 31F is stopped (S62: NO), the process proceeds to S65.
(3) Next, the circulation fan 31F is quantitatively operated (S63).
(4) Next, damper control is executed (S64).
When S64 is executed, the process proceeds to S61.
(5) The third mode of the air conditioner is stopped (S65).
The third mode is terminated.

Hereinafter, the operation of the air conditioner 3 will be described with reference to FIGS. 10 to 15.
FIGS. 10, 12, and 14 are diagrams illustrating the air flow when the air conditioner 3 is operated in the first mode, the second mode, and the third mode. 10, 12, and 14, the crosses indicated from the first damper 31 </ b> D to the fifth damper 35 indicate that the damper is closed.

  11, FIG. 13, and FIG. 15 are diagrams showing the air flow in the air conditioner when the air conditioner 3 is operated in the first mode, and (A) is shown in FIG. 4 (A), respectively. 4B is a longitudinal sectional view shown in FIG. 4B, FIG. 4C is a sectional view taken along the line AA in FIG. 4, FIG. 4D is a sectional view taken along the line BB in FIG. The flow of the air in the CC section in Drawing 4 is shown. In addition, the arrow which shows the flow of air has shown that the temperature which the mesh | network which looks dark is higher is higher.

In the first mode, for example, the vaporization type cooling unit 41, the sensible heat exchanger 42, and the desiccant unit 43 are stopped.
The first damper 31D, the second damper 32D, and the third damper 33D can be circulated, and the fourth damper 34D and the fifth damper 35D are closed.
Then, the second damper 32D and the third damper 33D are proportionally controlled based on the temperature of the air blown into the container 2 detected by the air blowing port temperature sensor 43T.

As a result, in the first mode, air flows as shown in FIG.
First, air F11 is taken from the air intake 3A. Further, high-temperature air F20 is blown out from the container 2, and all or a part of the air F20 flows into the first flow path 31 from the connection portion 13J via the third damper 33D, and the remaining air F20 is the first air F20. It is discharged from the air discharge port 3B through the 2 damper 32D.
The air F11 and the air F20 are mixed in the vicinity of the connection portion 13J to generate the air F12 having an appropriate temperature. The air F12 passes through the first damper 31D and the circulation fan 31F and enters the container 2 through the air blowing port 2A. Infused.

Further, in the first mode, the air F11 taken from the air intake 3A in the housing 30 passes through the flow path space 311 as shown in FIGS. 11 (A), (D), and (E). Flows into 312.
On the other hand, as shown in FIGS. 11B, 11C, 11D, the air F20 blown out from the air outlet 2B passes through the second flow path 32 through the air outlet in the housing 30. 2B flows toward the side away from 2B, all or a part flows into the flow path space 312 via the third damper 33D, and the remaining air F20 passes above the second flow path 32 through the opening (third floor portion). And is discharged to the outside from the air discharge port 3B via the second damper 32D.
The air F11 and the air F21 flowing into the flow path space 312 are mixed in the flow path space 312 to become the appropriate temperature air F12, and pass through the first damper 31D, the circulation fan 31F, the flow path space 313, and the flow path space 314. Then, it is blown into the container 2 from the air blowing port 2A.

  According to the air conditioner 3 and the container-type data center 1, in the first mode, when the outside air is in a predetermined temperature range or the like, the introduced air F11 is blown into the container 2 without being cooled, and the container 2 The inside can be within a predetermined temperature range.

In the second mode, for example, the vaporization type cooling unit 41, the sensible heat exchanger 42, and the desiccant unit 43 are operated.
The fourth damper 34D and the fifth damper 35D can be circulated, and the first damper 31D, the second damper 32D, and the third damper 33D are closed.
Then, based on the temperature of the air blown into the container 2 detected by the air blower port temperature sensor 43T, the vaporization type cooling unit 41 supplied to the sensible heat exchanger 42 by proportionally controlling the air volume of the exhaust fan 34F by the inverter. Adjust the amount of air cooled by.

As a result, in the second mode, air flows as shown in FIG.
First, air F13 is taken from the air intake 3A. Further, high-temperature air F20 is blown out from the container 2, and the air F20 flows into the sensible heat exchanger 42 via the fifth damper 35 and flows into the first flow path 31 via the connection portion 15J.
On the other hand, the air F13 taken in from the air intake 3A is cooled by the vaporization cooling unit 41 to become cold air F14, and the air F14 flows into the sensible heat exchanger 42.
In the sensible heat exchanger 42, the air F20 is cooled by exchanging heat with the air F14 to generate air F15 having an appropriate temperature. On the other hand, the air F14 is heat-exchanged by the sensible heat exchanger 42 to become high-temperature air F21 and is discharged from the air discharge port 3B through the exhaust fan 34F and the fourth damper 34D.
The air F15 passes through the circulation fan 31F and the desiccant 43, and after the humidity is adjusted to a predetermined range, the air F15 is blown into the container 2 through the air blowing port 2A.

In the second mode, the air F13 taken from the air intake port 3A in the housing 30 flows into the flow path space 311 as shown in FIGS. 13 (A), (C), (D), and (E). Flows into the flow path space 312.
The air F13 flowing into the flow path space 312 is cooled by the vaporization cooling unit 41 to become cold air F14, and the air F14 flows in while controlling the air volume by the exhaust fan 34F, and the temperature rises by the sensible heat exchanger 42. To do.
On the other hand, as shown in FIGS. 13B, 13C, 13D, and 13E, the air F20 blown out from the air outlet 2B passes through the second flow path 32 within the housing 30. Flows toward the side away from 2B, flows into the sensible heat exchanger 42 via the fifth damper 35D and the fifth flow path 35, and is cooled by exchanging heat with the air F14 in the sensible heat exchanger 42. After the air temperature F15 is set to an appropriate temperature, the air flow is adjusted to a predetermined range after passing through the flow path space 313, the circulation fan 31F, and the desiccant 43, the air is blown into the container 2 through the air blowing port 2A.
On the other hand, the air F14 is heat-exchanged by the sensible heat exchanger 42 to become high-temperature air F21 and rises upward (third floor portion), and from the air discharge port 3B via the exhaust fan 34F and the fourth damper 34D. Discharged.

  According to the air conditioner 3 and the container type data center 1, in the second mode, even when the temperature of the outside air is high and the temperature of the air F13 taken from the outside is high, the humidity is within a predetermined temperature and within a predetermined range. The adjusted air F15 can be blown into the container 2 to bring the inside of the container 2 to a predetermined temperature.

In the third mode, for example, the vaporization cooling unit 41, the sensible heat exchanger 42, and the desiccant unit 43 are stopped.
The first damper 31D and the second damper 32D can be circulated, and the third damper 33D, the fourth damper 34D, and the fifth damper 35D are closed.
Then, the circulation fan 31F is operated, and the air F16 taken from the air intake port 3A is blown into the container 2 through the air blowing port 2A, and the air F20 blown out from the container 2 through the air blowing port 2B. Is discharged from the air discharge port 3B.

As a result, in the third mode, air flows as shown in FIG.
First, air F16 is taken from the air intake 3A. The air F16 taken from the air intake port 3A passes through the first damper 31D and the circulation fan 31F, and is blown into the container 2 through the air blowing port 2A.
The air F16 passes through the container 2, is blown out from the container 2 through the air outlet 2B, and is discharged from the air outlet 3B through the fourth damper 34D.

Further, in the third mode, the air F16 taken from the air intake 3A in the housing 30 is flow path space 311 as shown in FIGS. 15 (A), (C), (D), and (E). The passage space 312, the first damper 31 </ b> D, the passage space 313, the circulation fan 31 </ b> F, and the passage space 314 are blown into the container 2 through the air blowing port 2 </ b> A.
On the other hand, as shown in FIGS. 13B, 13C, 13D, and 13E, the air F20 blown out from the air outlet 2B passes through the second flow path 32 within the housing 30. It flows toward the side away from 2B, flows through the opening above the second flow path 32 (third floor portion), and is discharged to the outside from the air discharge port 3B via the second damper 32D.

  According to the air conditioner 3 and the container-type data center 1, in the third mode, the air F16 taken from the outside when the electronic equipment can be sufficiently cooled even if the outside air is blown into the container 2 as it is. Is blown into the container 2 as it is, and the air F20 blown out from the air outlet 2B is discharged from the air outlet 3B, so that air consumption energy can be greatly reduced.

  As described above, according to the air conditioner 3 and the container-type data center 1, it is possible to air condition the electronic devices in the container 2 with high efficiency.

  In addition, according to the air conditioner 3 and the container type data center 1, the evaporative cooling unit 41 is provided as a cooling means, and the temperature of the air is cooled by bringing the cooling water into contact with the air. Compared to air conditioning equipment, energy consumption can be greatly reduced.

  Moreover, according to the air conditioning apparatus 3 and the container-type data center 1, since the thing provided with the desiccant unit 43 is used as a humidity adjustment means, the energy consumption in humidity adjustment can be reduced significantly.

In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of invention.
For example, in the said embodiment, although the case where the air conditioning apparatus 3 was provided with 1st mode, 2nd mode, and 3rd mode was demonstrated, it is good also as a structure provided only with 1st mode and 2nd mode, for example.
Instead of the third mode, other modes may be provided together, or a mode other than the first mode to the third mode may be provided.

  In the above embodiment, the case where the second mode includes the humidity adjusting unit has been described. However, the second mode may not include the humidity adjusting unit.

  Further, in the above-described embodiment, the second damper 32D and the third damper are based on the temperature of the air blown from the air blowing port 2A detected by the air blowing port temperature sensor 43T in the first mode and the second mode. Although the case where the opening degree of 33D is proportionally controlled or the air volume of the exhaust fan 34F is proportionally controlled has been described, either or both of the first mode and the second mode are detected by the air inlet temperature sensor 43T. You may control based on parameters other than the temperature of the air blown from 2 A of air blowing inlets.

  Moreover, in the said embodiment, although the case where a cooling means was the vaporization type cooling unit 41 was demonstrated, the cooling means may be provided with structures other than the vaporization type cooling unit 41, or a vaporization type cooling unit. Instead of 41, other cooling means may be used.

  In the above embodiment, the case where the humidity adjusting means is the desiccant 43 has been described. However, the humidity adjusting means may have a configuration other than the desiccant 43, Humidity adjusting means may be used.

  Moreover, in the said embodiment, although the case where an air conditioning system was the air conditioning apparatus 3 provided with the control part 36 was demonstrated, several air conditioning systems are drive | operated by one control apparatus, or another place. It may be configured to be remotely operated by a control unit provided in.

  Moreover, in the said embodiment, although the air conditioning apparatus 3 demonstrated the example comprised by the conceptual diagram shown in FIG. 2, FIG. 3, it is set as the structure other than the conceptual diagram shown in FIG. 2, FIG. It goes without saying.

  In the above embodiment, the case where the casing 30 having the configuration shown in FIGS. 4 and 5 is used has been described. However, a casing other than the configuration shown in FIGS. 4 and 5 may be used. Not too long.

  Moreover, in the said embodiment, although the operation | movement which concerns on 1st mode-3rd mode was demonstrated with the flowchart shown in FIGS. 6-9, it uses methods (algorithms) other than the flowchart shown in FIGS. May be configured.

  According to the air conditioning system, the air conditioning apparatus, the module type data center, and the air conditioning method module type according to the present invention, the electronic equipment in the module type casing can be air conditioned with high efficiency, and can be used industrially. It is.

1 Container type data center (module type data center)
2 Container (module type housing)
3 Air conditioning equipment (air conditioning system)
2A Air inlet 2B Air outlet 3A Air inlet 3B Air outlet 20 Housing 21 Computer room 21A Cold aisle 21B Hot aisle 22 Rack 24 Shield 31 First flow path 31A Galery (Air inlet)
31B filter (air intake)
32 2nd flow path 33 3rd flow path 34 4th flow path 35 5th flow path 31D 1st damper (1st flow path control means)
31F Circulation fan 32D 2nd damper (2nd flow-path control means)
33D Third damper (third flow path control means)
34D fourth damper (fourth flow path control means)
34F Exhaust fan 35D 5th damper (5th flow-path control means)
36 Control part 41 Evaporative cooling unit (cooling means)
41T Air intake temperature sensor 42 Sensible heat exchanger (heat exchange means)
43 Desiccant unit (humidity adjustment means)
43T Air inlet temperature sensor 43S Air inlet dew point temperature sensor

Claims (20)

An air conditioning system that harmonizes the air in a modular housing,
A cooling means for cooling the air taken from outside,
Heat exchange means for exchanging heat between the air cooled by the cooling means and the air blown into the module type housing,
Air supplied from the outside is supplied into the module-type casing, and all or part of the air blown out from the module-type casing is supplied to the module type based on the temperature of the air blown into the module-type casing. A first mode for refluxing into the housing;
The air blown out from the inside of the module type casing is recirculated into the module type casing, and the air supplied to the heat exchanging means via the cooling means and the air recirculated into the module type casing are heated. A second mode for exchange,
An air conditioning system configured to be switchable to the first mode or the second mode. The air conditioning system according to claim 1,
Humidity adjustment means to adjust the humidity of the air,
The second mode is:
The air conditioning system characterized in that the humidity of the air to be recirculated into the module-type housing can be adjusted by the humidity adjusting means. The air conditioning system according to claim 1 or 2,
A third mode is provided in which air taken from outside is blown into the module-type housing and air blown out from the module-type housing is discharged to the outside.
An air conditioning system configured to be switchable to any one of the first mode to the third mode. It is an air conditioning system of any one of Claims 1-3,
The cooling means is
An air conditioning system comprising the evaporative cooling unit. It is an air conditioning system of any one of Claims 2-4, Comprising:
The humidity adjusting means includes a desiccant unit. It is an air conditioning system of any one of Claims 1-5,
An air conditioning system characterized in that air discharged to the outside is discharged in a direction away from an air intake port for taking in air from outside.   A modular data center comprising the air conditioning system according to any one of claims 1 to 6. An air conditioner that harmonizes air in a modular housing,
A first flow path connecting the outside and an air blowing port for blowing air into the module-type housing;
Cooling means for cooling the air taken from outside in the first flow path;
A second flow path for connecting an air outlet for blowing air from the module-type housing and the outside;
A third flow path formed to allow air to flow from the second flow path to the first flow path;
A fourth flow path formed to allow air to flow from the downstream side of the cooling means of the first flow path to the outside;
A fifth flow path formed so that air can flow from the second flow path to the downstream side of the connection portion of the first flow path with the fourth flow path;
Heat exchange means for exchanging heat between the air flowing through the fourth flow path and the air flowing through the fifth flow path;
Formed between the connection between the first flow path and the four flow paths of the first flow path and the connection between the first flow path and the fifth flow path; First flow path control means for controlling distribution;
Second flow path control means for controlling the flow of air from the second flow path to the outside;
Third flow path control means for controlling air flow in the third flow path;
Fourth flow path control means for controlling the flow of air in the fourth flow path;
A fifth flow path control means for controlling the flow of air in the fifth flow path;
A control unit,
The controller is
The cooling means and the heat exchanging means are stopped so that the first flow path control means, the second flow path control means and the third flow path control means can be circulated, and the fourth flow path control means and the The fifth flow path control means is closed, and based on the temperature of the air blown into the module type casing, all or part of the air blown out from the module type casing is returned to the module type casing. 1 mode,
The cooling means and the heat exchange means are operated so as to be able to flow through the fourth flow path control means and the fifth flow path control means, and the first flow path control means, the second flow path control means, and The third flow path control means is closed, and air blown out from the module-type casing is recirculated into the module-type casing, and air supplied to the heat exchange means via the cooling means and the module A second mode for exchanging heat with the air recirculated into the mold housing,
An air conditioner configured to be switchable to the first mode or the second mode. It is an air conditioning apparatus of Claim 8, Comprising:
Humidity adjusting means for adjusting the humidity of the air blown into the module-type housing from the air blowing port,
The controller is
An air conditioner configured to operate the humidity adjusting means in the second mode. The air conditioner according to claim 8 or 9, wherein
The controller is
The cooling means, the heat exchanging means, and the humidity adjusting means are stopped so that the first flow path control means and the second flow path control means can be circulated, and the third flow path control means, the fourth A third mode is provided in which the flow path control means and the fifth flow path control means are closed, and air taken from outside is blown into the module-type casing, and air blown out from the module-type casing is discharged to the outside. Prepared,
An air conditioner configured to be switchable to any one of the first mode to the third mode. It is an air harmony device of any 1 paragraph of Claims 8-10,
The cooling means is
An air conditioner comprising the evaporative cooling unit. The air conditioner according to any one of claims 9 to 11,
The humidity adjusting means is
An air conditioner comprising a desiccant unit. It is an air conditioning apparatus of any one of Claims 8-12,
An air conditioner for discharging air from the second flow path is configured such that the discharged air is separated from an air intake port for taking air into the first flow path. .   A modular data center comprising the air conditioning apparatus according to any one of claims 8 to 13. An air conditioning method for conditioning air in a modular housing,
Air supplied from the outside is supplied into the module-type casing, and all or part of the air blown out from the module-type casing is supplied to the module type based on the temperature of the air blown into the module-type casing. A first mode for refluxing into the housing;
The air blown out from the inside of the module type casing is recirculated into the module type casing, and the air supplied to the heat exchanging means via the cooling means for cooling the air taken from outside is returned to the module type casing. An air conditioning method comprising: selecting one of the second modes for heat exchange with the air to be conditioned, and harmonizing the air in the module-type housing. The air conditioning method according to claim 15,
In the second mode, the air conditioning method is characterized in that the humidity of the air recirculated into the module-type housing is adjusted by the humidity adjusting means. The air conditioning method according to claim 15 or 16,
A third mode is provided in which air taken from outside is supplied into the module-type casing and air blown out from the module-type casing is discharged to the outside.
An air conditioning method, wherein any one of the first mode to the third mode is selected to harmonize the air in the module-type housing. The air conditioning method according to any one of claims 15 to 17,
As the cooling means,
What is provided with a vaporization type cooling unit is used, The air conditioning method characterized by the above-mentioned. It is an air conditioning method of any one of Claims 16-18,
As the humidity adjusting means,
An air conditioning method comprising using a desiccant unit. The air conditioning method according to any one of claims 15 to 19, wherein
An air conditioning method, characterized in that air discharged to the outside is discharged in a direction away from an air intake port for taking in air from outside.