JP2017150704A - Ventilation air-conditioning unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation air-conditioning unit which is installed compactly inside a building.SOLUTION: A ventilation air-conditioning unit is for ventilating or/and air-conditioning a space 3 inside a building. The ventilation air-conditioning unit 1 includes: a chamber box 14 at least having a first chamber 21 and a second chamber 22 partitioned from the first chamber 21; an indoor unit 13A of an air conditioner 13 arranged inside the chamber box 14; and outside air supply means 15. The indoor unit 13A has a suction port 13Ai and a blowout port 13Ao. The suction port 13Ai is communicated with the first chamber 21, and the blowout port 13Ao is communicated with the second chamber 22. In the second chamber 22, an air exhaust port 29 communicating with the space 3 is provided. The outside air supply means 15 supplies the outside air Ao to the first chamber 21 or the second chamber 22.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a ventilation air conditioning unit that ventilates and / or air-conditions a space inside a building.

  A general building interior is divided into a plurality of spaces, and an air conditioner (air conditioner) is provided in each space. However, such a building requires a separate ventilation facility in order to prevent air pollution in the space.

  The following Patent Document 1 proposes a ventilation facility for ventilating each space. Such ventilation equipment can forcibly ventilate by introducing outside air into each space.

Japanese Patent Laying-Open No. 2015-121366

  In the building as described above, the air conditioner and the ventilation facility are provided independently. And it is necessary to provide an air conditioner for every space. For this reason, there existed a problem that it was difficult to install an air conditioner and ventilation equipment compactly in the inside of a building.

  The present invention has been devised in view of the actual situation as described above. For example, the main object of the present invention is to provide a ventilation air conditioning unit that can be compactly installed inside a building.

  The present invention is a ventilation air-conditioning unit for ventilating or / and air-conditioning a space inside a building, the chamber box having at least a first chamber and a second chamber partitioned from the first chamber, An indoor unit of an air conditioner disposed in a chamber box, and an outside air supply means, wherein the indoor unit has an inlet and an outlet, and the inlet is located in the first chamber, and the outlet Is arranged so as to communicate with the second chamber, the second chamber is provided with an air discharge port communicating with the space, and the outside air supply means supplies the outside air to the first chamber or the chamber. It supplies to a 2nd chamber, It is characterized by the above-mentioned.

  In the ventilation air conditioning unit according to the present invention, the chamber box further includes an outside air introduction port, and the outside air supply means is connected to the main duct connected to the outside air introduction port and branched to the main duct. And a switching damper that supplies the outside air supplied from the main duct to the first duct or the second duct and supplies the outside air to the first chamber. In addition, it is preferable that the second duct is connected to the second chamber.

  In the ventilation air conditioning unit according to the present invention, the first chamber is provided with an air intake port for introducing the air in the space into the first chamber, so that the outside air and the air in the space are It is desirable that the air-fuel mixture can be supplied.

  In the ventilation air conditioning unit according to the present invention, it is preferable that a fan for sending the air in the second chamber to the air discharge port side is disposed in the chamber box.

  In the ventilation air conditioning unit according to the present invention, the chamber box is a box-like body, and a part of the internal space is divided into front and rear by a vertical partition plate extending up and down, and the indoor unit is arranged in the front and rear space. It is desirable to be fixed to the partition plate so as to be located on one side of the.

  In the ventilation air conditioning unit according to the present invention, it is desirable that a filter member for purifying air is disposed in the chamber box.

  The ventilation air conditioning unit of the present invention includes a chamber box having at least a first chamber and a second chamber partitioned from the first chamber, an indoor unit of an air conditioner disposed in the chamber box, and an outside air supply means. Including.

  The indoor unit has an inlet and an outlet, and is arranged such that the inlet is in communication with the first chamber and the outlet is in communication with the second chamber. The second chamber is provided with an air outlet that communicates with the space. The outside air supply means can supply outside air to the first chamber or the second chamber.

  According to such a ventilation air-conditioning unit, the air which air-conditioned the external air supplied to the 1st room, or the external air supplied to the 2nd room is supplied to the space inside a building, and is ventilated or / and air-conditioned. be able to. And the ventilation air-conditioning unit of this invention is provided with the indoor unit of the air conditioner, the 1st chamber, and the 2nd chamber in the chamber box. Therefore, the ventilation air-conditioning unit of the present invention can be installed compactly inside the building.

It is sectional drawing which shows an example of the building in which the ventilation air conditioning unit of this embodiment was installed. It is a perspective view which shows an example of the ventilation air conditioning unit of this embodiment. It is sectional drawing which showed notionally the ventilation air-conditioning unit of FIG. It is a perspective view which shows a chamber box. It is sectional drawing explaining the effect | action of the ventilation air conditioning unit at the time of a stop of an air conditioner. It is sectional drawing which shows an example of the ventilation air conditioning unit of other embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 conceptually shows a cross-sectional view of a building 2 in which a ventilation air conditioning unit 1 of the present embodiment is installed. The ventilation air conditioning unit 1 of this embodiment is for ventilating or / and air-conditioning the space 3 inside a building. The building 2 where the ventilation air conditioning unit 1 is installed is exemplified by a house or a building, for example. In order to enhance the air conditioning effect, it is desirable that the building 2 has excellent heat insulation performance, light shielding performance and airtight performance.

  The space 3 of this embodiment includes an underfloor space 4 and an above-floor space 5. In the present embodiment, the floor space 5 is ventilated or / and air-conditioned by the ventilation air conditioning unit 1.

  The underfloor space 4 is a space surrounded by the foundation 6, the ground 7 and the floor 8. The base 6 is provided with an opening 9 for taking in outdoor outdoor air Ao. The outside air Ao taken in from the opening 9 is heat-exchanged with the underground heat with little temperature change through the ground 7 throughout the year. Thereby, the underfloor space 4 can store air Au that is relatively cool in summer and relatively warm in winter compared to outside air. In order to effectively reduce the temperature change of the underfloor space 4, it is desirable that the foundation 6 is provided with a heat insulating material 10. Moreover, the ground 7 of the present embodiment is finished with, for example, dirt concrete.

  The above-floor space 5 is a space provided above the under-floor space 4 and is divided into a plurality of living rooms 11 and non-living rooms 12 such as washrooms and toilets. The room 11 includes a room 11A on the first floor and a room 11B on the second floor. In the non-living room 12, for example, an exhaust fan 25 that forcibly exhausts at least part of the air Ai in the floor space 5 to the outside can be provided.

  The ventilation air conditioning unit 1 of the present embodiment includes an indoor unit 13A of an air conditioner 13, a chamber box 14, and an outside air supply means 15. FIG. 2 is a perspective view of the ventilation air conditioning unit 1 of the present embodiment. FIG. 3 is a sectional view conceptually showing the ventilation air conditioning unit 1 of FIG.

  The air conditioner 13 of the present embodiment is, for example, a general household separate air conditioner, and includes an indoor unit 13A disposed in the chamber box 14 and an outdoor unit (not shown) installed outside the building 2. ) And as a set. The indoor unit 13A includes, for example, a suction port 13Ai for taking air into an internal heat exchanger (not shown) and a blower outlet 13Ao for discharging air Ac conditioned by the heat exchanger. Yes. The air conditioner 13 of this embodiment is controlled by the control means Cm (shown in FIG. 1). The air conditioner 13 may be operated by an operation of a resident of the building 2 or the like.

  FIG. 4 is a perspective view showing the chamber box 14. In FIG. 4, the indoor unit 13 </ b> A of the air conditioner 13, the outside air supply unit 15, and the like are omitted. The chamber box 14 of the present embodiment is formed as a box-shaped body having an internal space 16. The chamber box 14 of the present embodiment is covered with a front surface portion 14a, a back surface portion 14b, a pair of side surface portions 14c and 14d, a ceiling portion 14e, and a floor portion 14f. As shown in FIG. 1, the chamber box 14 of the present embodiment is installed in the floor space 5.

  As shown in FIG. 4, the front surface portion 14a, the back surface portion 14b, the pair of side surface portions 14c and 14d, the ceiling portion 14e, and the floor portion 14f are formed in a plate shape. In order to prevent dew condensation in the internal space 16, a heat insulating material (not shown) is preferably disposed on the front surface portion 14 a, the back surface portion 14 b, the pair of side surface portions 14 c and 14 d, the ceiling portion 14 e and the floor portion 14 f.

  The front portion 14a of the present embodiment includes a first front portion 38 and a second front portion 39 disposed below the first front portion 38. The first front surface portion 38 is fixed to the pair of side surface portions 14c and 14d and the ceiling portion 14e. On the other hand, the 2nd front part 39 is formed as the door 31 which can be opened and closed freely. Such a door 31 allows a resident of the building 2 to easily maintain the indoor unit 13A (shown in FIG. 2) of the air conditioner 13 and the like disposed in the ventilation air conditioning unit 1 in the floor space 5. be able to.

  As shown in FIGS. 3 and 4, the chamber box 14 is provided with an outside air introduction port 17. The outside air introduction port 17 of the present embodiment is configured as a hole that penetrates the floor portion 14f in the vertical direction. With such an outside air introduction port 17, the outside air Ao can be supplied to the internal space 16 via the outside air supply means 15 (shown in FIG. 3).

  As shown in FIG. 4, the internal space 16 is provided with a first partition plate 18a, a second partition plate 18b, a third partition plate 18c, and a fourth partition plate 18d. By the first partition plate 18a to the fourth partition plate 18d, the internal space 16 is divided into a first internal space 16A, a second internal space 16B, and a third internal space 16C, and the strength of the chamber box 14 is increased. It is done.

  The first partition plate 18a of the present embodiment extends in the direction (horizontal in the present embodiment) intersecting the second partition plate 18b between the ceiling portion 14e and the floor portion 14f. The 1st partition plate 18a is arrange | positioned covering the front part 14a, the back part 14b, and a pair of side part 14c, 14d. The first partition plate 18a is preferably fixed to the front surface portion 14a, the back surface portion 14b, and the pair of side surface portions 14c and 14d without any gap.

  The second partition plate 18b of this embodiment extends vertically between the front portion 14a and the back portion 14b. The second partition plate 18b extends downward from the ceiling portion 14e and terminates without reaching the first partition plate 18a. The second partition plate 18b is preferably fixed to the ceiling portion 14e and the pair of side surface portions 14c, 14d without any gap.

  The third partition plate 18c of the present embodiment extends vertically between the pair of side surface portions 14c and 14d. The third partition plate 18c of the present embodiment includes a first portion 19 and a second portion 20, and is formed in a substantially L shape in side view. The second partition plate 18b is supported by the third partition plate 18c.

  The lower end of the first portion 19 is fixed to the first partition plate 18a. The upper end of the first portion 19 is fixed to the lower end of the second partition plate 18b. The first portion 19 is preferably fixed to the first partition plate 18a, the second partition plate 18b, the front surface portion 14a, and the back surface portion 14b without any gap.

  The upper end of the second portion 20 is fixed to the ceiling portion 14e. The front end of the second portion 20 extends along the back surface of the second partition plate 18b. The second portion 20 is preferably fixed to the second partition plate 18b, the back surface portion 14b, and the ceiling portion 14e without any gap.

  The fourth partition plate 18d of the present embodiment extends horizontally from the upper end of the first portion 19 of the third partition plate 18c toward the one side surface portion 14c, and is fixed to the one side surface portion 14c. The fourth partition plate 18d is preferably fixed to the front surface portion 14a, the second partition plate 18b, and the one side surface portion 14c without any gap.

  The first internal space 16A of the present embodiment is divided below the first partition plate 18a. On the other hand, the second internal space 16B and the third internal space 16C of the present embodiment are divided above the first partition plate 18a.

  The second internal space 16B of the present embodiment is divided into one side surface portion 14c side (right side as viewed from the front) by the second partition plate 18b, the third partition plate 18c, and the fourth partition plate 18d. . The second internal space 16B is formed in a substantially L shape in side view.

  The third internal space 16C of the present embodiment includes the second side plate 14d, the other side surface portion 14d side of the third partition plate 18c, and the fourth side plate portion 14d. Left).

  Further, in the third internal space 16C, a part of the third internal space 16C is divided forward and backward by a vertical second partition plate 18b extending vertically. Accordingly, the third internal space 16C has a front space 16Ca disposed on one side (front side 14a side) with respect to the second partition plate 18b, and the other side (back side 14b side) with respect to the second partition plate 18b. And a rear space 16Cb disposed in the space. Further, the third internal space 16C includes a lower space 16Cc that connects the front space 16Ca and the rear space 16Cb back and forth on the lower end side of the second partition plate 18b. By these front space 16Ca, rear space 16Cb, and lower space 16Cc, the third internal space 16C is formed in a U shape in a side view. As shown in FIG. 3, the indoor unit 13A of the present embodiment is fixed to the second partition plate 18b so as to be positioned on one side of the front and rear spaces 16Ca and 16Cb (that is, on the front space 16Ca side). . Thereby, in the second chamber 22 of the chamber box 14, the other side (that is, the rear space 16Cb) of the spaces 16Ca and 16Cb before and after the third internal space 16C can be effectively used. Space can be secured.

  As shown in FIG. 3, the chamber box 14 of the present embodiment has at least a first chamber 21 and a second chamber 22 partitioned from the first chamber 21. Further, the chamber box 14 of the present embodiment is provided with a fan 23 and a filter member 24.

  The first chamber 21 and the second chamber 22 of the present embodiment are partitioned by a fifth partition plate 18e provided in the third internal space 16C. The fifth partition plate 18e of the present embodiment extends from the second partition plate 18b to one side (front surface 14a side) in the third internal space 16C. By the fifth partition plate 18e, the front space 16Ca of the third internal space 16C is divided vertically.

  The first chamber 21 of the present embodiment is configured above the fifth partition plate 18e in the front space 16Ca. The first chamber 21 is provided with an air intake port 26 and a first outside air intake port 27. Further, the first chamber 21 is disposed so that the suction port 13Ai of the indoor unit 13A communicates therewith.

  The air intake 26 is for introducing the air Ai of the space 3 (in the present embodiment, the floor space 5) into the first chamber 21. The air intake port 26 of the present embodiment is configured as a hole that passes through the front surface portion 14a (in the present embodiment, the first front surface portion 38) between the floor space 5 and the first chamber 21.

  The first outside air intake 27 is for introducing outside air Ao into the first chamber 21 via the outside air supply means 15. The 1st external air intake 27 is comprised as a hole part which penetrates the 2nd partition plate 18b. As shown in FIG. 4, the first outside air intake port 27 of the present embodiment is provided on the side surface portion 14 c side with respect to the second portion 20 of the third partition plate 18 c. As shown in FIG. 3, the air intake 26 and the first outside air intake 27 allow the first chamber 21 to communicate with the outside air Ao and the air Ai in the space (the floor space 5 in the present embodiment). The air-fuel mixture can be supplied.

  The second chamber 22 of the present embodiment is configured by the space below the fifth partition 18e in the front space 16Ca, the rear space 16Cb, and the lower space 16Cc, and is formed in a substantially U shape in a side view. ing. The second chamber 22 is provided with a second outside air inlet 28 and an air outlet 29. Further, the second chamber 22 is disposed so that the air outlet 13Ao of the indoor unit 13A communicates therewith.

  The second outside air intake port 28 is for supplying outside air Ao to the second chamber 22 via the outside air supply means 15. As shown in FIG. 4, the second outside air intake port 28 of the present embodiment is configured as a hole that penetrates the fourth partition plate 18 d, and the spaces 16 </ b> Ca and 16 </ b> Cb before and after the third internal space 16 </ b> C are formed. It is provided on one side (that is, the front space 16Ca).

  As shown in FIG. 3, the air discharge port 29 is for supplying the air in the second chamber 22 to the space 3 shown in FIG. 1 (in this embodiment, the floor space 5). As shown in FIGS. 3 and 4, the air outlet 29 of the present embodiment penetrates the ceiling portion 14 e on the other side of the spaces 16 Ca and 16 Cb before and after the second chamber 22 (that is, the rear space 16 Cb). It is configured as a hole. As shown in FIGS. 2 and 3, the air discharge port 29 communicates with a space (in this embodiment, the floor space 5) via a supply duct 30.

  As shown in FIGS. 1, 2, and 3, the supply duct 30 of the present embodiment includes a first supply duct 30 </ b> A that supplies the air in the second chamber 22 to the living room 11 </ b> A on the first floor, and the second chamber 22. And a second supply duct 30B for supplying air to the second floor living room 11B. One end of the first supply duct 30A and one end of the second supply duct 30B are in the second chamber 22 (in this embodiment, the other side of the spaces 16Ca and 16Cb before and after the third internal space 16C (that is, the rear space). 16Cb)). As shown in FIG. 1, the other end of the first supply duct 30 </ b> A is connected to the living room 11 </ b> A or the non-living room 12 on the first floor. The other end of the second supply duct 30B is connected to the second-floor room 11B.

  As shown in FIG. 3, the fan 23 of the present embodiment is for sending the air in the second chamber 22 to the air outlet 29 side. The fan 23 of the present embodiment is provided in the second chamber 22 of the chamber box 14 on the other side of the spaces 16Ca and 16Cb before and after the third internal space 16C (that is, the rear space 16Cb). Furthermore, the fan 23 of the present embodiment is provided spaced above the first partition plate 18a. The fan 23 is connected to the supply duct 30.

  Such a fan 23 can effectively send the air in the second chamber 22 to the living room 11 (shown in FIG. 1) by setting the second chamber 22 to a negative pressure. Moreover, since the fan 23 is provided in the rear space 16Cb, the conditioned air Ac discharged from the air outlet 13Ao of the indoor unit 13A to the front space 16Ca or the second outside air intake located on the front space 16Ca side. The outside air Ao supplied from the inlet 28 can be moved to the rear space 16Cb side.

  The fan 23 of the present embodiment includes a first fan 23a connected to the other end of the first supply duct 30A and a second fan 23b connected to the other end of the second supply duct 30B. As a result, the first fan 23a and the second fan 23b allow the air in the second chamber 22 to be independent from the first floor living room 11A and the second floor living room 11B via the first supply duct 30A and the second supply duct 30B. Can be supplied. The first fan 23a and the second fan 23b of the present embodiment are controlled by the control means Cm (shown in FIG. 1). The first fan 23a and the second fan 23b may be operated by an operation of a resident of the building 2 or the like.

  The filter member 24 is for purifying air. In the second chamber 22, the filter member 24 of the present embodiment is provided between the air outlet 13 </ b> Ao and the second outside air intake port 28 of the indoor unit 13 </ b> A and the air outlet port 29. Such a filter member 24 can pass air-conditioned air Ac or outside air Ao to remove dust contained in the air.

  The filter member 24 of the present embodiment is formed in a plate shape and is bent in a zigzag shape in the vertical direction. Such a filter member 24 can effectively increase the filtration area with respect to the conditioned air Ac or the outside air Ao guided downward along the second partition plate 18b.

  As shown in FIG. 3, the filter member 24 of the present embodiment is desirably provided on the front space 16Ca side in the second chamber 22. Thereby, since the 2nd front part 39 of the chamber box 14 is comprised as the door 31 which can be opened and closed for replacing | exchanging the filter member 24, the maintainability of the filter member 24 can be improved.

  The filter member 24 can be appropriately selected. As an example of the filter member 24, it is desirable that a HEPA (High Efficiency Particulate Air) filter, a photocatalytic filter, an activated carbon deodorizing filter, an electric dust collection filter, or the like is disposed alone or in combination.

  The outside air supply means 15 is for supplying outside air Ao to the first chamber 21 or the second chamber 22. As shown in FIGS. 2 and 3, the outside air supply means 15 of the present embodiment includes a main duct 32, a first duct 33, and a second duct 34. The main duct 32 is connected to the outside air inlet 17. Further, the first duct 33 and the second duct 34 are branched and connected to the main duct 32. The first duct 33 and the second duct 34 of the present embodiment are connected to the main duct 32 via a switching damper 35.

  At least a part of the main duct 32 of the present embodiment is disposed in the first internal space 16A. One end of the main duct 32 is connected to the switching damper 35. As shown in FIG. 1, the other end of the main duct 32 of this embodiment is disposed in the underfloor space 4. Further, the other end of the main duct 32 is connected to an outside air supply fan 36 that sends the air Au in the underfloor space 4 to the first outside air intake port 27 side and the second outside air intake port 28 side. Such an outside air supply fan 36 can effectively send the air Au in the underfloor space 4 to the switching damper 35 (shown in FIG. 3) by setting the underfloor space 4 to a negative pressure. The outside air supply fan 36 of this embodiment is controlled by the control means Cm (shown in FIG. 1). The outside air supply fan 36 may be operated by an operation of a resident of the building 2 or the like.

  As shown in FIGS. 2 and 3, the first duct 33 and the second duct 34 of the present embodiment are arranged in the second internal space 16B. One end of the first duct 33 and one end of the second duct 34 are connected to the switching damper 35. The other end of the first duct 33 is connected to the first chamber 21 via the first outside air intake 27. The other end of the second duct 34 is connected to the second chamber 22 via the second outside air intake port 28.

  The switching damper 35 is for switching and supplying the outside air Ao supplied from the main duct 32 to the first duct 33 or the second duct 34. The switching damper 35 of the present embodiment is disposed in the second internal space 16B. The switching damper 35 of this embodiment is controlled by the control means Cm (shown in FIG. 1). The switching damper 35 may be driven by an operation of a resident of the building 2 or the like.

  Next, the effect | action at the time of the operation | movement of the air conditioner 13 is demonstrated about the ventilation air conditioning unit 1 of this embodiment.

  As shown in FIG. 3, in the ventilation air conditioning unit 1 of the present embodiment, the outside air Ao is supplied to the first chamber 21 of the chamber box 14. The supply of the outside air Ao to the first chamber 21 is performed by switching the switching damper 35 to the first duct 33 side and operating the outside air supply fan 36 (shown in FIG. 1). Furthermore, the air Ai in the floor space 5 is introduced into the first chamber 21 through the air intake 26. As a result, in the first chamber 21, the air-fuel mixture of the outside air Ao and the air Ai in the floor space 5 is promptly supplied to the air inlet 13Ai of the indoor unit 13A and air-conditioned.

  The air Ac conditioned by the air conditioner 13 is blown out from the outlet 13Ao of the indoor unit 13A into the second chamber 22 of the chamber box 14 (in the present embodiment, the front space 16Ca side). Air-conditioned air blown out to the front space 16Ca side is U-shaped in a side view from the front space 16Ca through the lower space 16Cc to the rear space 16Cb by operating the first fan 23a and the second fan 23b. Be guided to. The air-conditioned air Ac is supplied to the floor space 5 (the first floor room 11A and the second floor room 11B) shown in FIG. 1 via the first supply duct 30A and the second supply duct 30B.

  According to the ventilation air-conditioning unit 1 of the present embodiment, the air Ac that has been air-conditioned from the outside air Ao supplied to the first chamber 21 is supplied to the floor space 5, so that the floor space 5 can be air-conditioned while being ventilated. . Further, since the air Ai in the floor space 5 is supplied to the first chamber 21, the air Ai in the floor space 5 can be circulated for air conditioning. Therefore, the ventilation air conditioning unit 1 of the present embodiment can reduce the load on the air conditioner 13.

  In the summer, when the air conditioner 13 is air-cooled, a part of the water vapor contained in the outside air Ao is cooled and dewed by heat exchange with the heat exchanger of the indoor unit 13A, and becomes water to form the outside of the building 2 To be discharged. Therefore, the ventilation air-conditioning unit 1 according to the present embodiment can reduce the amount of water vapor in the floor space 5 compared with the case where the outside air Ao is directly supplied to the floor space 5 during the cooling in summer, and thus is comfortable. Ventilation air conditioning can be performed.

  In the present embodiment, the outside air Ao supplied to the first chamber 21 is air Au heat-exchanged with underground heat in the underfloor space 4. Therefore, in this embodiment, the load of the air conditioner 13 can be reduced as compared with the case where the outdoor air Ao in the outdoor 37 is directly supplied to the first chamber 21.

  Next, the action | operation at the time of the stop of the air conditioner 13 is demonstrated about the ventilation air conditioning unit 1 of this embodiment. FIG. 5 is a cross-sectional view for explaining the operation of the ventilation air conditioning unit 1 when the air conditioner is stopped.

  As shown in FIG. 5, in the ventilation air conditioning unit 1 of the present embodiment, the outside air Ao is supplied to the second chamber 22 (in the present embodiment, the front space 16Ca side) of the chamber box 14. The supply of the outside air Ao to the second chamber 22 is performed by switching the switching damper 35 to the second duct 34 side and operating the outside air supply fan 36 (shown in FIG. 1). The outside air Ao supplied to the front space 16Ca side is guided in a U shape in a side view from the front space 16Ca to the rear space 16Cb through the lower space 16Cc by operating the first fan 23a and the second fan 23b. The Then, the outside air Ao is supplied to the floor space 5 (the first floor room 11A and the second floor room 11B) shown in FIG. 1 via the first supply duct 30A and the second supply duct 30B.

  According to the ventilation air-conditioning unit 1 of the present embodiment, for example, the floor space 5 can be ventilated without air-conditioning in a season when the operation of the air conditioner 13 is not required. The outside air Ao supplied to the second chamber 22 in the present embodiment includes air Au that is heat-exchanged with the underground heat in the underfloor space 4. Therefore, in the present embodiment, it is possible to comfortably vent the floor space 5 as compared with the case where the outdoor air Ao in the outdoor 37 is directly supplied to the second chamber 22.

  As described above, according to the ventilation air conditioning unit 1 of the present embodiment, the air Ac (shown in FIG. 3) that has air-conditioned the outside air Ao supplied to the first chamber 21, or the outside air Ao ( 5 can be supplied to a space inside the building (in this embodiment, the space 5 on the floor) to be ventilated and / or air-conditioned. Since the filter member 24 removes dust and the like from the air Ac that has been conditioned by the outside air Ao supplied to the first chamber 21 or the outside air Ao that has been supplied to the second chamber 22, the above-mentioned space 5 is more comfortably ventilated. Or / and can be air conditioned.

  Further, the ventilation air conditioning unit 1 of the present embodiment is provided with an indoor unit 13A, a first chamber 21 and a second chamber 22 of the air conditioner 13 in a chamber box 14. Furthermore, in the chamber box 14 of the present embodiment, a filter member 24, a part of the outside air supply means 15, a first fan 23a, a second fan 23b, and a supply duct 30 are provided. Therefore, the ventilation air-conditioning unit 1 of this embodiment can be installed compactly inside a building, for example compared with the case where the air conditioner 13 and ventilation equipment (illustration omitted) are provided independently.

  The operation of the air conditioner 13, the first fan 23a, the second fan 23b, the outside air supply fan 36, and the switching damper 35 is controlled based on the temperature and humidity of the floor space 5 or the temperature and humidity of the floor space 4. Is desirable. Thereby, the ventilation air-conditioning unit 1 can comfortably ventilate and air the floor space 5 even if the resident of the building 2 does not directly operate. In order to perform such control, it is desirable that a temperature sensor or the like (not shown) is connected to the floor space 5 and the floor space 4.

  Incidentally, as shown in FIG. 3, the first chamber 21 of the present embodiment is provided with an air intake port 26 and a first outside air intake port 27, and therefore, the first outside air intake port 27. In some cases, dust or the like contained in the outside air Ao introduced from above is discharged to the floor space 5 through the air intake 26.

  In order to prevent such dust and the like from being discharged, the main duct 32 is desirably provided with a second filter member 40 as shown in FIGS. By such a second filter member, since the outside air Ao from which dust and the like are removed is supplied to the first chamber 21, dust and the like are discharged to the floor space 5 through the air intake port 26. Can be prevented.

  The second filter member 40 is desirably disposed in the chamber box 14 (in the present embodiment, the first internal space 16A). Thereby, the ventilation air-conditioning unit 1 can be installed compactly inside a building. Furthermore, residents of the building 2 can easily replace the second filter member 40 from the front side of the chamber box 14 by opening the front portion 14a (door 31). The second filter member 40 is preferably the same as the filter member 24 disposed in the second chamber 22.

  As shown in FIG. 3, the first duct 33 and the second duct 34 of the present embodiment are connected to the main duct 32 via the switching damper 35, but are not limited to such a mode. For example, the first duct 33 and the second duct 34 are branched and connected to the main duct 32 without the switching damper 35, and the switching damper (not shown) is connected to each of the first duct 33 and the second duct 34. May be provided.

  As shown in FIG. 5, the fan 23 of the present embodiment is provided spaced above the first partition plate 18 a, but is not limited to such a mode. FIG. 6 is a cross-sectional view showing an example of a ventilation air conditioning unit according to another embodiment of the present invention. The fan 23 of this embodiment is placed on the first partition plate 18a extending below the second partition plate 18b in the direction intersecting with the second partition plate 18b. Thereby, after fixing the fan 23 to the 1st partition plate 18a, since it can connect to the supply duct 30, workability | operativity improves. Furthermore, the aspect in which the fan 23 of the present embodiment is provided on the other side of the spaces 16Ca and 16Cb before and after the third internal space 16C (that is, the rear space 16Cb) in the second chamber 22 of the chamber box 14 is shown. However, if it is in the 2nd chamber 22, the position of the fan 23 is not specifically limited, For example, it provides in one side (namely, front space 16Ca) of space 16Ca and 16Cb before and behind the 3rd internal space 16C. May be.

  As shown in FIG. 1, in the ventilation air conditioning unit 1 of the present embodiment, a chamber box 14 is installed in a first-floor room 11A, and both the first-floor room 11A and the second-floor room 11B are ventilated or / and air-conditioned. However, the present invention is not limited to such an embodiment. For example, the chamber box 14 may be installed in the second-floor room 11B, and both the first-floor room 11A and the second-floor room 11B may be ventilated or / and air-conditioned. The chamber box 14 may be installed in the first-floor room 11A and the second-floor room 11B, respectively, and the first-floor room 11A and the second-floor room 11B may be independently ventilated and / or air-conditioned. Thus, even if the chamber box 14 is installed in both the first-floor room 11A and the second-floor room 11B, the ventilation air-conditioning unit 1 is installed compactly inside the building. Occupancy rate can be minimized.

  Furthermore, the chamber box 14 of the ventilation air-conditioning unit 1 may be disposed in the center of the space 3 inside the building. Thereby, since the length of the supply duct 30 arrange | positioned between each living room 11 and the chamber box 14 can be made small, the heat loss and pressure loss of the air-conditioned air Ac are suppressed, and the cost of the supply duct 30 is reduced. Can be minimized.

  As mentioned above, although especially preferable embodiment of this invention was explained in full detail, this invention is not limited to embodiment of illustration, It can deform | transform and implement in a various aspect.

  The ventilation air-conditioning unit which has the basic structure shown in FIG.1 and FIG.2 was installed in the building inside (Example). The ventilation air conditioning unit of the embodiment includes a chamber box, an indoor unit of an air conditioner, and an outside air supply means. The ventilation air-conditioning unit of the example was ventilated and / or air-conditioned by supplying the air inside the building, which was air-conditioned outside air supplied to the first room, or the outside air supplied to the second room.

  For comparison, an air conditioner and a ventilation facility were independently provided inside the building (comparative example). Further, in the ventilation system of the comparative example, outdoor outdoor air was directly introduced into the living room.

And the ventilation air-conditioning unit of the Example and the comparative example was drive | operated during the following period, and the average relative humidity of the living room was measured. The common specifications are as follows.
House: Higashi-Omi City, Shiga Prefecture Measurement period: August 5 to August 18, 2015 Measurement time: 11:00 pm to 7:00 am Temperature set for air conditioner: 27 ° C
Air volume of the first fan and the second fan: 250 to 450 m ³ / h
Outside air of embodiment: air under floor space Filter member: HEPA filter

  As a result of the test, according to the embodiment, the air that has been conditioned by the outside air supplied to the first room or the outside air that has been supplied to the second room is supplied to the space inside the building to be ventilated and / or air-conditioned. did it. Moreover, since the indoor unit, the first chamber, and the second chamber of the air conditioner are provided in the chamber box, the ventilation air conditioning unit of the example can be installed more compactly inside the building than the comparative example.

  Further, the average relative humidity of the example was found to be about 15% RH lower than the average relative humidity of the comparative example. This is because the ventilation air conditioning unit of the example air-conditioned the outside air supplied to the first chamber and supplied it to the floor space. Therefore, it was confirmed that the ventilation air conditioning unit of the example performs ventilation and air conditioning while effectively reducing the humidity in the room as compared with the comparative example.

DESCRIPTION OF SYMBOLS 1 Ventilation air conditioning unit 3 Space 13 Air conditioner 14 Chamber box 15 Outside air supply means 21 1st chamber 22 2nd chamber

Claims (6)

A ventilation air conditioning unit for ventilating or / and air conditioning a space inside a building,
A chamber box having at least a first chamber and a second chamber partitioned from the first chamber;
An indoor unit of an air conditioner disposed in the chamber box;
Outside air supply means,
The indoor unit has a suction port and a blower outlet, and is arranged so that the suction port communicates with the first chamber and the blower port communicates with the second chamber,
The second chamber is provided with an air discharge port communicating with the space.
The ventilation air conditioning unit characterized in that the outside air supply means supplies outside air to the first chamber or the second chamber. The chamber box further has an outside air inlet,
The outside air supply means has a main duct connected to the outside air inlet, and a first duct and a second duct branched and connected to the main duct,
A switching damper that supplies the outside air supplied from the main duct to the first duct or the second duct;
The ventilation air conditioning unit according to claim 1, wherein the first duct is connected to the first chamber, and the second duct is connected to the second chamber.   The first chamber is configured to be able to supply an air-fuel mixture of the outside air and the air in the space by providing an air intake for introducing the air in the space into the first chamber. The ventilation air conditioning unit according to claim 1 or 2.   The ventilation air-conditioning unit according to any one of claims 1 to 3, wherein a fan for sending air from the second chamber to the air discharge port side is disposed in the chamber box. The chamber box is a box-shaped body,
The vertical partition plate extending up and down divides a part of the internal space into the front and rear, and the indoor unit is fixed to the partition plate so as to be positioned on one side of the front and rear space. The ventilation air-conditioning unit in any one of.   The ventilation air-conditioning unit according to any one of claims 1 to 5, wherein a filter member for purifying air is disposed in the chamber box.

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