WO2018025919A1 - Climatiseur - Google Patents

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Publication number
WO2018025919A1
WO2018025919A1 PCT/JP2017/028088 JP2017028088W WO2018025919A1 WO 2018025919 A1 WO2018025919 A1 WO 2018025919A1 JP 2017028088 W JP2017028088 W JP 2017028088W WO 2018025919 A1 WO2018025919 A1 WO 2018025919A1
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WO
WIPO (PCT)
Prior art keywords
air
duct connection
duct
connection holes
connection hole
Prior art date
Application number
PCT/JP2017/028088
Other languages
English (en)
Japanese (ja)
Inventor
一智 市ノ木
一茂 高比良
Original Assignee
伸和コントロールズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 伸和コントロールズ株式会社 filed Critical 伸和コントロールズ株式会社
Priority to CN201780046635.7A priority Critical patent/CN109477646B/zh
Priority to KR1020197000963A priority patent/KR102302343B1/ko
Publication of WO2018025919A1 publication Critical patent/WO2018025919A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering

Definitions

  • the present invention relates to an air conditioner.
  • an air conditioner for precise temperature control used in semiconductor manufacturing facilities, etc.
  • an air conditioner that includes a housing having an air intake port and an air discharge port and houses a blower, a heating unit, and a cooling unit in the housing.
  • Such an air conditioner takes air from the outside of the apparatus by driving the blower, adjusts the taken air to a desired temperature by a heating unit and a cooling unit, and discharges the air from the air discharge port.
  • the air intake port and the air discharge port can be provided at any position on the housing, but in many cases, the air intake port is provided on the side surface of the housing, and the air discharge port is provided on the upper surface or side surface of the housing. (For example, refer to Patent Document 1).
  • This type of air conditioner is generally used to supply temperature-controlled air to a temperature control target space through a duct by connecting a duct to an air discharge port. Further, by connecting a hollow box having a plurality of holes to the downstream end of the duct, and connecting a branching duct to the plurality of holes in the box, the temperature-controlled air is converted into a plurality of temperature control target spaces. There is also a case to supply to. For example, in a semiconductor manufacturing facility, by using a box as described above, air discharged from one air conditioner may be distributed to a clean room and a plurality of apparatuses installed in the clean room. .
  • this type of air conditioner when used in a semiconductor manufacturing facility, this type of air conditioner may be arranged in a space below the space where the facility is installed.
  • the duct connected to the air discharge port is arranged so as to extend upward toward the space on the floor.
  • one air discharge port is provided on the upper surface or side surface of the housing.
  • a duct is provided from the air discharge port toward the temperature control target space.
  • an increase in pressure loss due to an increase in the bent portion of the duct may cause a situation in which the output of the blower for obtaining a desired air volume must be increased undesirably, which may reduce the operation efficiency of the blower.
  • the air discharge port is provided on the side surface of the housing and the temperature control target space is located above the air conditioner, the duct needs to be bent upward. In this case, the operating loss of the blower is reduced by increasing the pressure loss as compared with the case where the duct is extended linearly.
  • a duct having a diameter that matches the diameter of the air discharge port is generally used as the duct connected to the air discharge port.
  • the occupied area of the duct becomes undesirably large depending on the installation conditions. There may be a situation where the degree of freedom of installation of the air conditioner is restricted or the degree of freedom of arrangement of peripheral members of the equipment is restricted.
  • the duct may become too small with respect to the required air volume required for the temperature control target space, so that a situation where the output of the blower must be increased undesirably may occur.
  • a hollow box having a plurality of holes is connected to the downstream end of the duct connected to the air discharge port.
  • a branching duct may be connected to a plurality of holes in the box.
  • the present invention has been made in consideration of such circumstances, and ducts for supplying air to the temperature control target space can be connected in various patterns, and suitable arrangement of the ducts according to the situation.
  • An object of the present invention is to provide an air conditioner capable of flexibly setting a pattern.
  • the present invention has an air intake port for taking in air and an air discharge port for discharging the taken-in air, and defines an air passage for connecting the air intake port and the air discharge port therein.
  • a housing that conducts air from the air intake port to the air outlet, a temperature control unit that controls the temperature of the air that is housed in the housing and flows through the air passage,
  • a distribution box that is attached to the housing so as to cover the air discharge port and communicates the internal space with the air discharge port, and the distribution box is a hole to which a duct is connected,
  • a first duct connection hole that opens upward and a second duct connection hole that opens in a direction different from the first duct connection hole for supplying air from the internal space to the duct are provided.
  • An air conditioner characterized by That.
  • the duct connection hole that can suppress the bent portion of the duct as much as possible is formed in the first duct connection hole that opens upward and in a different direction. It is possible to appropriately select the second duct connection hole that is open according to the position of the temperature control target space. Thereby, the fall of the operating efficiency of an air blower can be suppressed because the increase in the pressure loss by the undesirable bending part formed in a duct can be suppressed.
  • the ducts connected to the multiple duct connection holes are extended to the corresponding temperature control target spaces, thereby suppressing the increase in the ducts and controlling the temperature in the multiple temperature control target spaces. Can supply controlled air. Therefore, ducts for supplying air to the temperature control target space can be connected in various patterns, and a suitable duct arrangement pattern can be flexibly set according to the situation.
  • a plurality of the first duct connection holes may be provided in the distribution box. According to this configuration, it is possible to increase the temperature control target space in which air can be directly supplied through the duct, so that convenience can be improved.
  • an opening area of at least one (part) of the first duct connecting holes among the plurality of first duct connecting holes may be different from an opening area of the other first duct connecting holes.
  • a plurality of the second duct connection holes may be provided in the distribution box. According to this configuration, it is possible to increase the temperature control target space in which air can be directly supplied through the duct, so that convenience can be improved.
  • At least one (a part) of the plurality of second duct connection holes may be opened in a direction different from that of the other second duct connection holes.
  • the duct connection hole that can suppress the length of the duct as much as possible when extending the connected duct to the temperature control target space from among the plurality of second duct connection holes that open in different directions.
  • the arrangement pattern of a suitable duct can be set more flexibly according to a situation, and the convenience can be improved.
  • the opening areas of the second duct connection holes that open in different directions may be different from each other.
  • the diameter of the duct can also be selected, so that a suitable arrangement pattern of the duct can be set more flexibly according to the situation, and convenience can be improved. it can.
  • the plurality of second duct connection holes may include at least two second duct connection holes that open in the same direction. According to this configuration, the number of duct connection holes that can be selected to connect the ducts increases, so that it is possible to more flexibly set a suitable duct arrangement pattern according to the situation, and it is possible to improve convenience. .
  • the opening area of at least one (part) of the second duct connection holes of at least two of the second duct connection holes that open in the same direction is the opening of the other second duct connection holes. It may be different from the area.
  • the thin duct is connected to the second duct connection hole having a small opening area in the second duct connection hole opening in the same direction. Therefore, when the required air volume required for the temperature control target space is large, a thick duct is connected to the second duct connection hole having a large opening area, thereby providing a blower due to pressure loss. It is possible to supply air to the temperature control target space while suppressing an undesired increase in output. Thereby, the suitable arrangement pattern of a duct can be set more flexibly according to a condition.
  • some of the second duct connection holes among the plurality of second duct connection holes may be open to the air intake port side in a plan view.
  • the housing is provided with a filter device so as to cover the air intake port, the second duct connection hole that opens to the air intake port side, the downstream side of the filter device, and the The upstream portion of the air intake port may be connected by a return flow path.
  • a part of the second duct connection holes among the plurality of second duct connection holes may be connected to a portion on the upstream side of the temperature control unit by a return flow path.
  • a part of the second duct connection hole can be used as a connection portion of the return flow path, and the return flow path connected to the second duct connection hole that opens to the air intake side is the air intake side. It is possible to improve the stability of the temperature control by returning the air. At this time, the length of the return flow path can be suppressed, and air can be returned smoothly.
  • the distribution box may be provided with an attachment structure for detachably attaching a closing member for closing the first duct connection hole and the second duct connection hole.
  • a closing member for closing the first duct connection hole and the second duct connection hole.
  • the attachment structure may be capable of selectively attaching the closing member or the duct. According to this configuration, since the closing member or the duct can be selectively attached with a single attachment structure, it is possible to improve convenience while suppressing complication of the configuration.
  • the second duct connection hole may be opened along the horizontal direction.
  • the first duct connection hole may open upward along the vertical direction.
  • the distribution box may be attached to the upper surface of the housing.
  • the present invention has an air intake port for taking in air and an air discharge port for discharging the taken-in air, and an air passage for connecting the air intake port and the air discharge port therein.
  • a housing to be defined, a blower that allows air to flow from the air intake port to the air outlet, and a temperature control unit that controls the temperature of the air that is housed in the housing and flows through the air passage.
  • a distribution box that is attached to the housing so as to cover the air discharge port and communicates the internal space with the air discharge port.
  • the distribution box is a hole to which a duct is connected.
  • a plurality of duct connection holes for supplying air from the internal space to the duct, and the plurality of duct connection holes are a plurality of types of holes having different opening areas that are opened in the same direction. Composed, characterized by That the air conditioning apparatus, it is.
  • this air conditioner when it is required to reduce the occupied area of the duct, it is possible to meet the demand for suppressing the occupied area by connecting the thin duct to the duct connection hole having a small opening area.
  • connecting a thick duct to the duct connection hole having a large opening area allows air to be supplied to the temperature control target space while suppressing an undesired increase in the output of the blower.
  • the temperature-controlled air can be supplied to a plurality of temperature control target spaces using a plurality of ducts. Thereby, the suitable arrangement pattern of a duct can be flexibly set according to a condition.
  • ducts for supplying air to the temperature control target space can be connected in various patterns, and a suitable duct arrangement pattern can be flexibly set according to the situation.
  • FIG. 1 It is a perspective view of the air harmony device concerning one embodiment of the present invention. It is a figure which shows schematic structure of the air conditioning apparatus shown in FIG. It is the perspective view which looked at the distribution box on the air conditioning apparatus shown in FIG. 1 diagonally downward from the one side of a horizontal direction. It is the perspective view which looked at the distribution box on the air conditioning apparatus shown in FIG. 1 diagonally downward from the other side of the horizontal direction which is the opposite side to FIG. It is a figure which shows the attachment structure for attaching a closing member or a duct to the duct connection hole of the air conditioning apparatus shown in FIG. It is a figure which shows the example of application of the air conditioning apparatus shown in FIG. It is a figure which shows the modification of the air conditioning apparatus shown in FIG. It is a figure which shows the modification of the air conditioning apparatus shown in FIG.
  • FIG. 1 is a perspective view of an air conditioner 1 according to an embodiment of the present invention
  • FIG. 2 is a diagram showing a schematic configuration of the air conditioner 1.
  • the air conditioning apparatus 1 according to the present embodiment supplies temperature-controlled air to a plurality of temperature control target spaces such as the inside of a device that applies and develops photoresist, for example. It is used to keep the temperature at a constant.
  • this air conditioning apparatus 1 has the air discharge port 32 which discharges the air taken in from the air intake 31 and the air intake 31 which take in the air outside the said apparatus.
  • the housing 36 that defines the air passage 30 that allows the air intake port 31 and the air discharge port 32 to communicate with each other, and the air flow from the air intake port 31 toward the air discharge port 32.
  • the cooling unit 2 that is housed in the blower 60 and the air passage 30 and cools the air taken in from the air intake 31 with variable refrigeration capacity, and is housed in the air passage 30 and takes in air.
  • a heating unit 4 that heats the air taken in from the port 31 with variable heating capacity, and a distribution box that is attached to the housing 36 so as to cover the air discharge port 32 and communicates the internal space S with the air discharge port 32.
  • a control unit 50 for controlling.
  • the cooling unit 2 and the heating unit 4 correspond to the temperature control unit in the present invention that controls the temperature of the air flowing through the air passage 30.
  • the control unit 50 is shown to be located outside the housing 36, but in practice, the control unit 50 is accommodated in the housing 36.
  • the casing 36 is formed in a rectangular parallelepiped shape as an example, and is installed on a floor surface in a building.
  • the casing 36 is paired with a pair of side wall portions 36A and 36B facing each other in a first direction d1 parallel to the horizontal direction, and facing a second direction d2 parallel to the horizontal direction and perpendicular to the first direction d1.
  • a pair of side wall portions 36C, 36D connecting the both end portions of the side wall portions 36A, 36B, a pair of side wall portions 36A, 36B facing each other in the first direction d1, and a pair of side wall portions facing each other in the second direction d2.
  • an upper wall portion 36E provided across the upper edges of 36C and 36D.
  • the air intake port 31 and the air discharge port 32 are indicated by broken lines. However, in the present embodiment, the air intake port 31 is located on one side in the first direction d1. The air discharge port 32 is provided in the other side portion of the upper wall portion 36E in the first direction d1.
  • the air intake port 31 is connected to an intake passage 312 for allowing external air to flow toward the air intake port 31, and a filter device 313 is provided in the intake passage 312.
  • the filter device 313 is attached to the housing 36 so as to cover the air intake port 31 via the intake passage 312.
  • the above-described filter device 313 is a chemical filter as an example, but may be a HEPA filter or a ULPA filter, and may include a chemical filter and a HEPA filter or a ULPA filter.
  • the air flow path 30 of the housing 36 extends upward from the air intake port 31 and then bends so as to extend to the other side in the first direction d1. Yes.
  • the cooling unit 2 is disposed on the upstream side of the heating unit 4, and a humidifier 70 is further provided on the downstream side of the heating unit 4.
  • the humidifier 70 is electrically connected to the control unit 50, and the air taken in from the air intake port 31 can be humidified with a variable amount of humidification under the control of the control unit 50.
  • the blower 60 is provided on the downstream side of the humidifying device 70 in the air passage 30. The blower 60 is configured to be able to change the air volume.
  • the blower 60 is basically driven to output a constant air volume.
  • the cooling unit 2 is disposed on the upstream side of the heating unit 4, but the cooling unit 2 may be disposed on the downstream side of the heating unit 4. Also, the position of the blower 60 may be different from the illustrated example.
  • the air discharge port 32 is provided on the other side portion of the upper wall portion 36E in the first direction d1, and opens upward, in the present embodiment, along the vertical direction.
  • the distribution box 80 in the present embodiment is attached to the upper surface of the upper wall portion 36E of the housing 36, the temperature-controlled air discharged from the air discharge port 32 is distributed upward. It will be supplied to the internal space S of the box 80.
  • the distribution box 80 is provided with a plurality of duct connection holes 91 to 94 to which the duct 120 indicated by a two-dot chain line is connected for convenience of illustration (see FIGS. 3 and 4).
  • the duct 120 is connected to one or a plurality of duct connection holes selected from the plurality of duct connection holes 91 to 94, so that the internal space S can be removed. It is possible to supply air to one or a plurality of desired ducts 120 and supply air to a desired temperature control target space.
  • a temperature sensor 41 and a humidity sensor 42 are provided in the distribution box 80, and the temperature sensor 41 and the humidity sensor 42 are used for the air that has passed through the cooling unit 2, the heating unit 4, and the humidifier 70. It is designed to detect temperature or humidity.
  • the temperature sensor 41 and the humidity sensor 42 output the detected temperature or humidity to the control unit 50, and in response to this, the control unit 50 controls the cooling unit 2 and the heating unit 4 based on the temperature detected by the temperature sensor 41. While controlling, the humidification apparatus 70 is controlled based on the humidity which the humidity sensor 42 detected.
  • the temperature sensor 41 and the humidity sensor 42 are shown apart from the distribution box 80, but the temperature sensor 41 and the humidity sensor 42 are used for the air passing through the air discharge port 32. Arranged in any manner capable of detecting temperature or humidity.
  • the return flow path 100 is a piping member and is provided so as to straddle the intake flow path 312 and the distribution box 80. The end portion communicates with a position on the downstream side of the filter device 313 in the intake flow path 312.
  • an air volume adjustment damper 101 that adjusts the air volume of the air flowing through the return flow path 100 is provided.
  • the air volume adjustment damper 101 in this embodiment is manually and automatically returned. The air volume of the air flowing through the flow path 100 can be adjusted. Details of the distribution box 80 will be described later.
  • the cooling unit 2 in the present embodiment includes a cooling coil 14 of the first cooling unit 10 and a cooling coil 24 of the second cooling unit 20.
  • the first cooling unit 10 including the cooling coil 14 is operated at a variable operating frequency
  • the compressor 11, the condenser 12, the expansion valve 13, and the cooling coil 14 that can adjust the rotation speed serve as a heat medium.
  • the second cooling unit 20 including the cooling coil 24 is configured to be circulated so as to be circulated, and the second cooling unit 20 including the cooling coil 24 is operated at a variable operating frequency and can adjust the rotation speed.
  • 22, the expansion valve 23, and the cooling coil 24 are connected by a pipe 25 in this order so as to circulate the heat medium.
  • the compressors 11 and 21 compress the low-temperature and low-pressure gas heat medium flowing out from the cooling coils 14 and 24 to form a high-temperature and high-pressure gas state.
  • the compressors 11 and 21 are inverter compressors that are operated at a variable operating frequency and whose rotation speed can be adjusted according to the operating frequency. In the compressors 11 and 21, more heat medium is supplied to the condensers 12 and 22 as the operating frequency is higher.
  • the compressor 11 it is preferable to employ a scroll compressor that integrally includes an inverter and a motor.
  • the types of the compressors 11 and 21 are not particularly limited as long as the number of rotations can be adjusted by adjusting the operation frequency by the inverter to adjust the supply amount (flow rate) of the heat medium.
  • the condensers 12 and 22 cool the heat medium compressed by the compressors 11 and 21 with cooling water and condense them, and supply them to the expansion valves 13 and 23 as a high-pressure liquid at a predetermined cooling temperature. It is like that. Water may be used for the cooling water of the condensers 12 and 22, or other refrigerants may be used.
  • the expansion valves 13 and 23 are decompressed by expanding the heat medium supplied from the condensers 12 and 22, and are supplied to the cooling coils 14 and 24 in a low-temperature and low-pressure gas-liquid mixed state. ing.
  • the cooling coils 14 and 24 are configured to heat-exchange the supplied heat medium with air to be temperature controlled and cool the air. The heat medium exchanged with air becomes a low-temperature and low-pressure gas state, flows out of the cooling coils 14 and 24, and is compressed again by the compressors 11 and 21.
  • the supply amount of the heat medium supplied to the condensers 12 and 22 can be adjusted by changing the operating frequency of the compressors 11 and 21 and adjusting the rotation speed.
  • the opening amount of the expansion valves 13 and 23 can be adjusted, so that the supply amount of the heat medium supplied to the cooling coils 14 and 24 can be adjusted.
  • the refrigeration capacity is variable by such adjustment.
  • the compressor 11 of the first cooling unit 10 is operated at a constant frequency for the purpose of improving control stability.
  • the compressor 11 may be a compressor that operates at a fixed frequency, and in this case, the manufacturing cost can be reduced.
  • a part of the air passage 30 extends along the air flow in the air passage 30.
  • a partition member 200 that is divided into two parts is provided, and the partition member 200 divides a part of the air passage 30 into a first passage 30A and a second passage 30B.
  • the cooling unit 2 is provided in the first flow path 30A.
  • a flow rate adjustment damper 201 that adjusts the opening degree of the first flow path 30A and the second flow path 30B is provided at the downstream end of the partition member 200.
  • an upstream temperature sensor 44 is provided in the air intake port 31, and the upstream temperature sensor 44 is air that has been taken into the air intake port 31 that merged with air from the return flow path 100. It is designed to detect the temperature.
  • the flow rate adjustment damper 201 in the present embodiment is controlled by the control unit 50 in accordance with the temperature detected by the upstream temperature sensor 44, thereby opening the first flow path 30A and the second flow path 30B. It is possible to adjust.
  • the heating unit 4 in the present embodiment branches a part of the heat medium flowing out from the compressor 11 toward the condenser 12 in the first cooling unit 10, and the heating coil 16 and It has a structure for returning to the condenser 12 on the downstream side of the compressor 11 via the heating amount adjusting valve 18 provided on the downstream side.
  • the heating coil 16 is accommodated in the air passage 30.
  • the heating coil 16 has a heat medium inlet and a heat medium outlet, and the heat medium inlet and the upstream side of the pipe between the compressor 11 and the condenser 12 are connected by other pipes.
  • the heat medium outlet and the downstream side of the pipe between the compressor 11 and the condenser 12 are further connected by another pipe.
  • a heating amount adjusting valve 18 is provided in the pipe extending from the heat medium outlet.
  • the heating unit 4 branches a part of the heat medium flowing out from the compressor 11 toward the condenser 12 and returns it to the condenser 12 via the heating coil 16 and the heating amount adjustment valve 18. It is possible.
  • a high-temperature and high-pressure gaseous heat medium compressed by the compressor 11 is supplied to the heating coil 16.
  • the heating coil 16 heats the air by causing the supplied heat medium to exchange heat with air to be temperature controlled.
  • the heat medium exchanged with air is returned from the heating coil 16 to the pipe between the compressor 11 and the condenser 12.
  • the heating amount adjusting valve 18 can change the heating capacity of the heating coil 16 by adjusting the return amount of the heat medium from the heating coil 16.
  • the heating capacity increases as the return amount of the heat medium increases.
  • the heating capacity of the heating unit 4 can be adjusted according to the operating frequency of the compressor 11 and / or the opening of the heating amount adjustment valve 18.
  • FIGS. 3 is a perspective view of the distribution box 80 on the air conditioner 1 as viewed obliquely downward from one side in the horizontal direction (second direction d2).
  • FIG. 4 shows the distribution box 80 on the air conditioner 1. It is the perspective view seen diagonally downward from the other side of the horizontal direction (second direction d2).
  • FIG. 5 is a view showing an attachment structure AS for attaching a closing member 130 or a duct 120 described later to the duct connection holes 91 to 94 of the air conditioner 1.
  • the distribution box 80 in the present embodiment is formed in a rectangular parallelepiped shape having an open bottom as an example, and a pair of side wall portions 80A and 80B facing each other in the first direction d1.
  • the distribution box 80 is provided with a plurality of duct connection holes 91 to 94.
  • the first duct connection hole 91 opened upward, and the first duct connection holes 91 Second duct connection holes 92, 93, 94 that open in a direction different from 91 are provided.
  • a plurality of first duct connection holes 91 are provided in the upper wall portion 80E of the distribution box 80, and each first duct connection hole 91 is circular and opens upward along the vertical direction. ing.
  • the opening area of at least one (part) of the first duct connection holes 91 among the plurality of first duct connection holes 91 is different from the opening area of the other first duct connection holes 91.
  • seven first duct connection holes 91 are provided in the distribution box 80, and the opening area of the three first duct connection holes 91 among them is the other four first duct connection holes 91. It is smaller than the opening area.
  • the diameters of the three first duct connection holes 91 having a small diameter are 150 mm, and the diameters of the four first duct connection holes 91 having a large diameter are 250 mm.
  • the dimensions and number of the duct connection holes 91 are not particularly limited, and may be in other forms.
  • the second duct connection holes 92, 93, 94 are provided in the side wall portions 80A, 80C, 80D of the distribution box 80, and each of the second duct connection holes 92, 93, 94 is circular and is horizontal. Open along.
  • the second duct connection hole 92 is provided in a plurality (three in the illustrated example) on the side wall portion 80C located on one side in the second direction d2 and opens on one side in the second direction d2, and the horizontal direction They are formed so as to be aligned in the (first direction d1).
  • the opening areas of the second duct connection holes 92 are the same, and the diameter of each second duct connection hole 92 is 150 mm, similar to the diameters of the three first duct connection holes 91 having a small diameter. It has become.
  • the second duct connection hole 93 is provided in plural (two in the illustrated example) on the side wall 80D located on the other side in the second direction d2 and opens on the other side in the second direction d2, and the above-described second Similar to the two duct connection holes 92, they are formed so as to be aligned in the horizontal direction (first direction d1).
  • the opening areas of the second duct connection holes 93 are also the same, and the diameters of the second duct connection holes 93 are the same as the diameters of the four large first duct connection holes 91 described above. It is 250 mm.
  • the second duct connection hole 94 is provided in a plurality (two in the illustrated example) on the side wall portion 80A located on one side in the second direction d1 and opens on one side in the first direction d2, and the horizontal direction ( It is formed so as to be aligned in the second direction d2).
  • the opening areas of the second duct connection holes 94 are the same, and the diameters of the second duct connection holes 94 are the same as the diameters of the four first large duct connection holes 91 described above. It is 250 mm.
  • the duct 120 is connected to part or all of the second duct connection holes 92, 93 among the plurality of second duct connection holes 92, 93, 94.
  • the return flow path 100 described above is connected to the second duct connection hole 94.
  • the second duct connection hole 94 and the portion on the downstream side of the filter device 313 and the upstream side of the air intake port 31 are connected by a return flow channel 100.
  • the second duct connection hole 94 opens to the air intake port 31 side when seen in a plan view, that is, downward along the vertical direction. Thereby, the length of the return flow path 100 can be suppressed, and the return flow path 100 can be extended to the air intake port 31 side.
  • the dimensions and number of the second duct connection holes 92, 93, 94 as described above are not particularly limited and may be of other forms.
  • the opening area of the some 2nd duct connection hole 92 opened in the same direction is the same, for example, the some 2nd duct connection hole 92 opened in the same direction, for example.
  • the opening area of at least one (part) of the second duct connection holes may be different from the opening area of the other second duct connection holes 92.
  • the distribution box 80 has an attachment structure AS for detachably attaching a closing member 130 for closing the first duct connection hole 91 and the second duct connection holes 92, 93, 94. It is provided corresponding to each of the second duct connection holes 92, 93, 94.
  • FIG. 5 shows an attachment structure AS corresponding to the two first duct connection holes 91 as an example.
  • the mounting structure AS in the present embodiment includes a plurality of bolt fastening holes 81 provided around the first duct connection hole 91, and corresponds to a plurality of bolts 82 passed through a disk-shaped closing member 130.
  • the closing member 130 is attached by being fastened to the bolt fastening hole 81.
  • the attachment structure AS can also attach the duct 120 by fastening a plurality of bolts 82 passed through the flange 121 at the end of the duct 120 into the corresponding bolt fastening holes 81. ing. That is, the attachment structure AS in the present embodiment can selectively attach the closing member 130 or the duct 120.
  • attachment structure AS is not limited to the illustrated example, and may be configured in another manner.
  • the attachment structure AS may be configured by a ball joint or the like that is held so as to prevent the closing member 130 or the duct 120 that has been pushed into a predetermined position from coming off.
  • the mounting structure AS in the present embodiment has a bolt fastening hole 81 corresponding to a plurality of bolts 82 passed through the flange 121 of the closing member 130 or the duct 120 via the seal member 131. It is configured to attach the closing member 130 or the duct 120 by fastening to.
  • the illustrated seal member 131 is an elastic member such as rubber formed in an annular shape, and can hold the closing member 130 or the duct 120 in an airtight manner.
  • the sealing member 131 is not limited to such an embodiment, and may be, for example, a member obtained by curing a liquid sealing material fixed to the housing 36 side. Further, such a seal member 131 may not be provided.
  • the return flow path 100 is connected to the second duct connection hole 94 as described above.
  • the blower 60 when the blower 60 is driven in a state where the above-described air volume adjusting damper 101 is opened, it is supplied to the upstream side of the cooling unit 2 and the upstream side of the heating unit 4 via the return flow path 100. The air is then merged with the external air before being taken into the air intake 31.
  • the adjustment of the air volume adjustment damper 101, the connection of the duct 120 to the first duct connection hole 91 and the second duct connection holes 92, 93, and the attachment of the closing member 130 are performed.
  • the downstream end of the return flow channel 100 communicates with the downstream position of the filter device 313 in the intake flow channel 312, but the return flow channel 100 The downstream end may communicate with a position on the upstream side of the filter device 313 in the intake channel 312. Further, the downstream end of the return flow channel 100 may communicate with a position on the downstream side of the air intake port 31. That is, the downstream end of the return flow channel 100 is an intake flow channel 312 that is an upstream portion of the temperature control unit (cooling unit 2 and heating unit 4) or a temperature control unit in the air flow channel 30 ( It may be connected to the upstream part of the cooling part 2 and the heating part 4).
  • the air supplied to the position (part) upstream of the cooling unit 2 and upstream of the heating unit 4, that is, upstream of the temperature control unit via the return flow path 100 is an air intake port. Then, the air is joined to the external air after being taken into the air.
  • the air taken in from the air intake port 31 to be temperature controlled is cooled by the cooling unit 2, heated by the heating unit 4, and toward a preset target temperature. Be controlled.
  • the target temperature and the target humidity are input in the control unit 50.
  • the air in the air flow passage 30 flows toward the air discharge port 32, whereby the temperature control target air is taken in from the air intake port 31 of the air flow passage 30. It is. Further, the compressors 11 and 21 of the cooling units 10 and 20 are also driven.
  • the air volume adjustment is performed so that the air having a predetermined ratio with respect to the air volume output from the blower 60 returns from the return flow path 100 to the upstream side of the cooling unit 2 and the upstream side of the heating unit 4.
  • the opening degree of the damper 101 is adjusted.
  • the duct 120 is connected to a desired duct connection hole of the first duct connection hole 91 and the second duct connection holes 92 and 93 according to the position, number, required air volume, and the like of the temperature control target space.
  • the air taken in from the air intake port 31 of the air passage 30 is first detected by the upstream temperature sensor 44 and then the cooling unit 2 ( It passes through the first flow path 30A) and / or the second flow path 30B, and then passes through the heating unit 4. Thereafter, the air is humidified by the humidifier 70 and then discharged from the air discharge port 32 to reach the internal space S of the distribution box 80. A part of the air is supplied to one or a plurality of ducts 120 through a part or all of the first duct connection hole 91 and the second duct connection holes 92 and 93.
  • the temperature sensor 41 detects the temperature of the air passing through the air discharge port 32
  • the humidity is detected by the humidity sensor 42.
  • the temperature sensor 41 outputs the detected temperature to the control unit 50
  • the humidity sensor 42 outputs the detected humidity to the control unit 50.
  • the control unit 50 Based on the difference between the temperature detected by the temperature sensor 41 and the target temperature, the control unit 50 opens the heating amount adjusting valve 18, the opening degree of the expansion valve 13 of the first cooling unit 10, and the second cooling unit.
  • the opening degree of the 20 expansion valves 23 and the operating frequency of the compressor 21 are controlled, and control is performed so that the heating capacity and the refrigerating capacity corresponding to the above differences are output.
  • the control unit 50 also controls the humidification capability of the humidifier 70 based on the difference between the humidity detected by the humidity sensor 42 and the target humidity.
  • the temperature-controlled air is supplied to one or a plurality of ducts 120 via part or all of the first duct connection hole 91 and the second duct connection holes 92 and 93, and the duct The temperature-controlled air is supplied from 120 to the temperature control target space.
  • the air conditioner 1 of the present embodiment a part of the air that has passed through the cooling unit 2 and the heating unit 4 is heated on the upstream side of the cooling unit 2 by the return flow channel 100.
  • the air can be supplied to the position on the upstream side of the portion 4 and merged with the air before being taken into the air intake port 31 of the air passage 30.
  • the external air is not supplied from the temperature-controlled return flow path 100.
  • the temperature approaches the temperature to be temperature controlled. That is, an effect mitigating effect against the influence of environmental fluctuations is produced. Therefore, it becomes easy to control the external air joined with the air from the return flow path 100 to a desired temperature without abruptly changing the refrigeration capacity or the heating capacity in response to a large fluctuation in the temperature of the external air. .
  • the connection hole 91 and the second duct connection holes 92, 93, 94 that open in a direction different from the connection hole 91 can be appropriately selected according to the position of the temperature control target space.
  • the plurality of first duct connection holes 91 are provided in the distribution box 80, it is possible to increase the temperature control target space in which air can be directly supplied through the duct, so that convenience can be improved. it can.
  • the opening area of at least one (part) of the first duct connection holes 91 among the plurality of first duct connection holes 91 is different from the opening area of the other first duct connection holes 91.
  • the temperature control target space in which air can be directly supplied through the duct can be increased as described above. Therefore, convenience can be improved.
  • At least one (part) of the plurality of second duct connection holes 92, 93, 94 is opened in a direction different from that of the other second duct connection holes.
  • the duct connection that can suppress the length of the duct as much as possible when extending the connected duct to the temperature control target space from among the plurality of second duct connection holes 92, 93, 94 that open in different directions.
  • the hole can be appropriately selected according to the position of the temperature control target space. Thereby, the arrangement pattern of a suitable duct can be set more flexibly according to a situation, and the convenience can be improved.
  • the plurality of second duct connection holes 92, 93, 94 include at least two second duct connection holes that open in the same direction. This also increases the number of duct connection holes that can be selected to connect the ducts, so that a suitable arrangement pattern of the ducts can be set flexibly according to the situation, and convenience can be improved.
  • the second duct connection hole 94 among the plurality of second duct connection holes 92, 93, 94 opens to the air intake port 31 side in a plan view.
  • the second duct connection hole 94 is connected to the downstream side of the filter device 313 and the upstream side of the air intake port 31 by the return flow path 100.
  • a part of the second duct connection holes 92, 93, 94 can be used as a connection portion of the return flow path 100, and the return connected to the second duct connection hole 94 opened to the air intake port 31 side.
  • the distribution box 80 is provided with an attachment structure AS for detachably attaching a closing member 130 for closing the first duct connection hole 91 and the second duct connection holes 92, 93, 94.
  • an attachment structure AS for detachably attaching a closing member 130 for closing the first duct connection hole 91 and the second duct connection holes 92, 93, 94.
  • FIG. 6 is a diagram illustrating an application example of the air conditioner 1.
  • the air conditioner 1 is disposed in a space F1 below the space F2 in which a temperature control target space (specifically, the semiconductor manufacturing facility S) is disposed.
  • a temperature control target space specifically, the semiconductor manufacturing facility S
  • the first duct connection hole 91 opening upward is provided.
  • the distribution box 80 is attached to the upper surface of the housing 36, but the distribution box 80 may be provided on the side surface of the housing 36 as shown in FIG.
  • the distribution box 80 shown in FIG. 7 is provided with a first duct connection hole 91 that opens upward, and a second duct connection hole 95 that opens in a different direction.
  • the air discharge port 32 is formed so as to open on the side surface of the housing 36.
  • the distribution box 80 is formed in a heptahedron shape, but the distribution box 80 may have another polyhedron shape or a shape including a curved surface such as a spherical shell shape. It may be.
  • the two cooling units 2 and the one heating unit 4 are provided. However, the number of the cooling units 2 and the heating units 4 is also limited to the aspect of the above-described embodiment. It is not a thing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Central Air Conditioning (AREA)
  • Duct Arrangements (AREA)

Abstract

[Problème] Se munir d'un climatiseur dans lequel des conduits d'alimentation en air d'espaces dont la température doit être régulée peuvent être connectés selon divers motifs, et dans lequel un modèle d'agencement de conduits le mieux adapté aux conditions peut être configuré de manière polyvalente. [Solution] Un climatiseur 1 comprend : un logement 36 qui comporte un orifice d'entrée d'air 31 et un orifice de sortie d'air 32, et dans lequel est formée une voie d'écoulement d'air 30 reliant intérieurement l'orifice d'entrée d'air 31 et l'orifice de sortie d'air 32 ; un ventilateur 60 qui entraîne l'air de l'orifice d'entrée d'air 31 vers l'orifice de sortie d'air 32 ; une unité de refroidissement 2 et une unité de chauffage 4 qui sont contenues à l'intérieur du boîtier 36 et qui régulent la température de l'air s'écoulant à travers le trajet d'écoulement d'air 30 ; et un boîtier de câblage 80 qui est fixé au boîtier 36 de manière à recouvrir l'orifice de sortie d'air 32, et qui relie l'espace interne du boîtier 36 à l'orifice de sortie d'air 32. Le boîtier de câblage 80 est pourvu d'un premier trou de connexion de conduit 91 qui s'ouvre vers le haut, et de seconds trous de connexion de conduit 92, 93, et 94 qui s'ouvrent dans une direction différente de celle du premier trou de connexion de conduit 91.
PCT/JP2017/028088 2016-08-03 2017-08-02 Climatiseur WO2018025919A1 (fr)

Priority Applications (2)

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CN201780046635.7A CN109477646B (zh) 2016-08-03 2017-08-02 空气调节装置
KR1020197000963A KR102302343B1 (ko) 2016-08-03 2017-08-02 공기 조화 장치

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JP2016152978A JP6800649B2 (ja) 2016-08-03 2016-08-03 空気調和装置
JP2016-152978 2016-08-03

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KR102302343B1 (ko) 2021-09-16
JP6800649B2 (ja) 2020-12-16
JP2018021705A (ja) 2018-02-08
CN109477646A (zh) 2019-03-15
TW201805578A (zh) 2018-02-16
KR20190032352A (ko) 2019-03-27
TWI658239B (zh) 2019-05-01

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