JP2009257702A - Air-conditioning device and cabinet - Google Patents

Abstract

To provide an air conditioner in which an outdoor unit and an indoor unit are installed separately, so that the work of arranging the refrigerant pipe takes time, and the refrigerant pipe or the like is visible so that the appearance is not impaired.
A casing is provided on a floor surface so as to block a communicating portion that is provided on the floor surface and communicates with the floor, and the casing is formed on an upper side of the casing lower surface. It is comprised with the casing upper part 11 located on the top. An indoor air flow path 4, a suction port 41 and a discharge port 42 are formed in the casing upper part 11. The indoor air flow path 4 is provided with a heat exchanger 23 and a fan 43 of the heat pump 2 serving as one of an evaporator or a condenser. An outdoor air flow path 5 is formed in the casing lower portion 12, a suction port 51 is formed on the side surface, and a discharge port 52 is formed on the lower surface. The outdoor air flow path 5 is provided with a heat exchanger 24 and a fan 53 of the heat pump 2 that is the other of the evaporator or the condenser.
[Selection] Figure 1

Description

  The present invention relates to an air conditioner using a heat pump and a cabinet including the air conditioner.

  Conventionally, an air conditioner using a heat pump has been used for indoor air conditioning (see, for example, Patent Document 1). In this conventional air conditioner, as shown in FIG. The provided outdoor unit 91 and the indoor unit 92 are separately installed, and the refrigerant pipe 93 is disposed between the outdoor unit 91 and the indoor unit 92.

In the conventional air conditioner, the outdoor unit 91 and the indoor unit 92 are separately installed, and it is necessary to dispose the refrigerant pipe 93 between the heat exchangers 24 and 23 of the heat pump 2. The piping work is troublesome, and further, the refrigerant pipe 93 and the duct that accommodates the refrigerant pipe 93 are visible, and the appearance of the building is impaired.
JP-A-5-312431

  The present invention was invented in view of the above-described conventional problems, and the object of the present invention is to install the outdoor unit and the indoor unit separately, so that it takes time to arrange the refrigerant pipe, and the refrigerant pipe It is an object of the present invention to provide an air conditioner that can be seen and the appearance is not impaired and a cabinet that houses the air conditioner.

  The invention according to claim 1 is an air conditioner in which a heat pump 2 is accommodated in an integral casing 1. The casing 1 is formed on the floor surface F so as to close the communication portion 3 provided on the floor surface F and communicating with the underfloor, and the casing 1 is formed above the casing lower portion 12 and positioned on the floor surface F. The casing upper part 11 is comprised. An indoor air flow path 4 is formed in the casing upper portion 11, and an inlet 41 and a discharge port 42 of the indoor air flow path 4 are formed in the casing upper portion 11. The indoor air flow path 4 is provided with a heat exchanger 23 and a fan 43 of the heat pump 2 that becomes one of an evaporator or a condenser during operation. An outdoor air flow path 5 is formed in the casing lower part 12, and an inlet 51 of the outdoor air flow path 5 is formed on a side surface of the casing lower part 12. The discharge port 52 of the outdoor air flow path 50 is formed on the lower surface of the casing lower part 12 so as to communicate with the lower floor through the communication part 3 provided on the floor surface F. The outdoor air flow path 5 is provided with a heat exchanger 24 and a fan 53 of the heat pump 2 that is the other of the evaporator or the condenser during operation.

  In the present invention, since the heat pump 2 is housed in the integral casing 1, the work of disposing the refrigerant pipe 93 between the outdoor unit 91 and the indoor unit 92 as in the prior art is unnecessary, and the refrigerant pipe 93 is externally provided. It doesn't appear exposed.

  Moreover, the invention which concerns on Claim 2 is the cabinet 7 which accommodated the air conditioner of Claim 1. The casing 42 is formed so that the discharge port 42 of the indoor air flow path 4 formed in the upper part 11 of the casing of the air conditioner faces the front plate 72 of the cabinet 7 and closes the communication part 3 provided on the bottom surface of the cabinet 7 and communicating with the underfloor. 1 is placed on the bottom surface. A discharge opening 72a is formed in a portion of the front plate 72 of the cabinet 7 corresponding to the discharge port 42 of the indoor air flow path 4, and the indoor communication port for communicating the inside and outside of the cabinet 7 separately from the discharge opening 72a. 75a is formed.

  Since the air conditioner is housed in the cabinet 7 and cannot be seen from the outside, the appearance is not impaired.

  The invention according to claim 3 is the invention according to claim 2, in which the bottom plate 75 of the cabinet 7 is installed on the base part 76 installed on the floor F in the room, and the front surface of the front part 76a of the base part 76 is the cabinet. 7 is a kick located behind the front plate 72. An indoor communication port 75a is formed in a portion in front of the kick of the bottom plate 75 of the cabinet 7.

  The indoor communication port 75a formed in the cabinet 7 cannot be seen from the front of the cabinet 7, and the appearance is not impaired.

Further, the invention according to claim 4 is the invention according to claim 3, wherein the opening 75b formed on the bottom plate 75 and the floor surface is made of a heat insulating material formed in a cylindrical shape between the bottom plate 75 and the floor surface F of the cabinet 7. An air path constituting member 8 connecting the opening F ₀ formed in F is provided.

  Over the entire space below the bottom plate 75, warm air discharged from the discharge port 52 of the outdoor air flow path 5 accumulates during cooling, or cool air discharged from the discharge port 52 of the outdoor air flow path 5 accumulates during heating. Heat exchange that reduces the effect of air conditioning can be suppressed.

  In the present invention, it is not necessary to arrange the refrigerant pipe between the outdoor unit and the indoor unit as in the prior art, and the construction can be saved, and the refrigerant pipe becomes invisible from the outside. Can be improved.

  Hereinafter, an embodiment of the present invention will be described with reference to FIG.

  The present invention is a floor-mounted air conditioner installed on an indoor floor surface F, and includes a heat pump 2 in an integral casing 1 to constitute a main body (heat pump unit).

The casing 1 is an integral part composed of a casing lower part 12 and a casing upper part 11. The casing lower portion 12 is placed on the floor surface F so as to block the communication portion 3 provided on the floor surface F and communicating with the underfloor. In this embodiment, the communication portion 3 has an opening F formed on the floor surface F. _It consists of _zero .

  In the present embodiment, the entire casing 1 is formed in a substantially rectangular box shape, the communication portion 3 having an opening smaller than the flat cross-sectional shape of the casing 1 is provided on the floor surface F, and the lower surface of the casing 1 (that is, the casing lower portion 12). Is placed on the edge of the communication part 3 of the floor F and installed indoors.

  In the casing upper portion 11, an indoor air suction port 41 and a discharge port 42 are formed, and in the casing upper portion 11, an indoor air flow path 4 that connects the indoor air suction port 41 and the discharge port 42 is formed. Is. In the present embodiment, a suction port 41 and a discharge port 42 are formed on the side surface of the casing upper portion 11, a filter 41 a is provided at the suction port 41, and a blowing grill 42 a is provided at the discharge port 42.

  Further, in the present embodiment, the casing lower portion 12 is formed with an outdoor air suction port 51 on the side surface, and a discharge port 52 on the lower surface so as to communicate with the space under the floor via the communication portion 3 provided on the floor surface F. The filter 51 a is provided at the suction port 51. An outdoor air flow path 5 that connects the outdoor air suction port 51 and the discharge port 52 is formed in the casing lower part 12.

  The heat pump 2 includes a refrigerant flow path 20, a compressor 21, an expansion valve 22, and a pair of heat exchangers 24 and 23 that serve as an evaporator and a condenser during operation. , Composed of. In the heat pump 2, one heat exchanger 23 is provided in the indoor air flow path 4 of the casing upper part 11, the other heat exchanger 24 is provided in the outdoor air flow path 5 of the casing lower part 12, and the refrigerant flow path 20 is provided in the upper part of the casing. 11 and the casing lower part 12 are provided, but the compressor 21 and the expansion valve 22 may be provided either. In this embodiment, the compressor 21 and the expansion valve 22 are provided in the casing lower part 12.

  In the above-described floor-mounted air conditioner, during the cooling operation, the heat exchanger 23 provided in the indoor air flow path 4 is used as an evaporator, and the heat exchanger 24 provided in the outdoor air flow path 5 is used as a condenser. Flow refrigerant to function. Then, the fans 53 and 43 provided in the air flow paths 4 and 5 are driven to flow the indoor air into the indoor air flow path 4 to cool the air, and the indoor air is flowed into the outdoor air flow path 5. Waste heat is used.

  Further, during the heating operation, the heat exchanger 23 provided in the indoor air flow path 4 is used as a condenser, and a refrigerant is supplied so that the heat exchanger 24 provided in the outdoor air flow path 5 functions as an evaporator. Is driven to heat the air by flowing the indoor air through the indoor air flow path 4, and the cool air is discharged by flowing the indoor air through the outdoor air flow path 5.

  Further, in order to reduce heat exchange other than the heat exchanger 23 for air flowing through the indoor air flow path 4, it is preferable to cover the indoor air flow path 4 with a heat insulating material 6, and at least the indoor air flow path 4 and It is preferable to partition the outdoor air flow path 5 with a heat insulating material 6. Furthermore, a drain pan (not shown) for receiving drain condensed on the surface of the heat exchanger 23 when it becomes an evaporator may be provided below the heat exchanger 23 in the indoor air flow path 4.

  In the above description, the air conditioner has been described as being used for both cooling and heating.

  As described above, in order to accommodate the heat pump 2 in the integral casing 1, the outdoor unit 91 and the indoor unit 92 are separately installed as in the conventional example, so that the work of arranging the refrigerant pipes becomes troublesome. In addition, it is possible to prevent the refrigerant pipes and ducts from being seen and the exterior of the building from being damaged.

  Further, since the casing 1 is installed on the floor, it can be prevented that the effective area of the window is reduced by reducing the effective area of the window by being installed on the window like a so-called wind fan.

  Moreover, even when the space under the floor is not large and the casing lower part 12 cannot be stored under the floor, the air conditioner can be installed only by being placed on the floor surface F.

  Further, by providing the filters 41a and 51a at the suction port 41 and the suction port 51, the filter 41a can be easily replaced and cleaned, and maintenance is facilitated.

  Next, another embodiment will be described with reference to FIGS.

  In the present embodiment, the above-described air conditioner is housed in the cabinet 7. The cabinet 7 is installed, for example, on a floor surface in a room such as a toilet room, and is generally a box-shaped object composed of a top plate 71, a front plate 72, a side plate 73, a back plate, and a bottom plate 75. However, it is not particularly limited. For example, the back plate may be eliminated when the back surface is installed along the indoor wall surface W, and the side plate 73 on the side along which the back surface is installed when the side surface is installed along the indoor wall surface W. Alternatively, the bottom plate 75 may be eliminated and the indoor floor F may be used as the bottom. In any case, the front plate 72 and the top plate 71 are provided, and the front plate 72 may be fixed or may be a door that can be opened and closed.

In the present embodiment, the cabinet 7 has the back side along one wall surface W of the toilet room, the left and right sides along the wall surfaces W on both sides of the one wall surface W of the toilet room, the three wall surfaces W, the front plate 72, The top plate 71 and the bottom plate 75 surround the internal storage space 70. The bottom plate 75 is installed on a base portion 76 provided on the floor F in the room. The pedestal 76 is a pedestal having a generally rectangular frame shape in plan view, but is not limited, and the front surface of the front portion 76a of the pedestal 76 is kicked. It is located behind the front plate 72. Further, the lower portion of the floor F of the space within the framework of the base part 76, an opening F ₀ communicating with the underfloor is is formed.

  The air conditioner is placed on the bottom plate 75 of the cabinet 7 so that the discharge port 42 of the indoor air flow path 4 formed in the upper portion 11 of the casing faces forward, that is, faces the front plate 72 of the cabinet 7. The Further, the front plate 72 of the cabinet 7 has a discharge opening 72a formed at a position corresponding to the discharge port 42 in the upper part thereof, and the discharge port 42 of the indoor air flow path 4 formed in the air conditioner and the cabinet 7. The discharge opening 72a formed in the above is disposed in proximity. Further, in the present embodiment, a duct 77 is provided between the discharge port 42 of the air conditioner and the discharge opening 72a of the front plate 72, and a blowout grill 72b is provided in the discharge opening 72a.

  In addition to the discharge opening 72 a, the cabinet 7 is formed with an indoor communication port 75 a that communicates the inside of the cabinet 7 with the indoor space outside the cabinet 7. In the present embodiment, an indoor communication port 75a is formed in the front part of the bottom plate 75 of the cabinet 7 (ie, the front part 76a of the base part 76). Thereby, since the indoor communication port 75a formed in the cabinet 7 cannot be seen from the front of the cabinet 7, the appearance is not impaired.

The bottom plate 75 of the cabinet 7 is formed with an opening 75 b in a portion corresponding to the discharge port 52 of the outdoor air flow path 5 of the casing lower part 12 placed on the bottom plate 75. The storage space 70 in the cabinet 7 includes an opening 75b formed in the bottom plate 75, a space within the frame of the base portion 76 (a space surrounded by the base portion 76, the bottom plate 75, and the floor surface F), a floor It communicates with the space under the floor via the opening F ₀ formed in the surface F, and the opening 75 b formed in the bottom plate 75 serves as the communication portion 3. In placing the air conditioner on the bottom plate 75, the casing lower portion 12 is placed on the bottom plate 75 so that the discharge port 52 of the outdoor air flow path 5 and the opening 75 b of the bottom plate 75 communicate with each other. The opening 75b formed in the bottom plate 75 is blocked.

In the case of the cabinet 7 without the bottom plate 75, the opening F ₀ formed in the floor surface F becomes the communication part 3.

  In this embodiment, since the air conditioner of the above embodiment is housed in the cabinet 7, the same effect as the above embodiment, that is, the arrangement work of the refrigerant pipes is troublesome as in the conventional example. The effect of preventing the appearance of the building from being damaged by seeing refrigerant pipes and ducts, the effect of preventing the use area from becoming worse because the effective area of the window is reduced like a so-called wind fan, and the cabinet 7 The effect that the construction of the air conditioner can be carried out simply by placing it on the bottom surface. The same effect can be obtained with the filters 41a and 51a.

  And when installing the cabinet 7 indoors, by storing an air conditioner in the cabinet 7, it is not necessary to install an air conditioner separately from the cabinet 7, and space can be saved. Is not visible from the outside and the appearance is not impaired.

Moreover, in this embodiment, as shown in FIG. 4, it consists of the heat insulating material formed in the cylinder shape between the baseplate 75 and the floor surface of the cabinet 7, and it forms in the opening 75b and the floor surface F which were formed in the baseplate 75. it may be the air passage component 8 that connects the opening F ₀ was provided. Air passage constituting member 8, the upper end of the tube, is brought into contact to the lower surface of the bottom plate 75 so as to surround the opening 75b formed in the bottom plate 75, the lower end of the cylinder, so as to surround the opening F ₀ formed on the floor surface F The shape is not limited, such as a cylindrical shape or a rectangular tube shape. Examples of the material of the air path component member 8 include, but are not limited to, expanded polystyrene.

Air passage constituting member 8, an opening 75b formed in the bottom plate 75, the positional relationship in a plan view of the opening F ₀ formed on the floor F, the different cross-sectional shapes. That is, the cross-sectional area of the air passage component 8, the air volume often as small as possible while ensuring the, 4 opening F of the opening 75b and the floor F of the bottom plate 75 as shown in (a) ₀ and in plan view In the case of overlapping, it is only necessary to surround the periphery of the overlapping portion. Figure 4 when the opening F ₀ of the opening 75b and the floor F of the bottom plate 75 as shown in (b) do not overlap in plan view, both of the opening F ₀ of the opening 75b and the floor F of the bottom plate 75 winds It is necessary to enclose widely so that it may be located in the path | route member 8. FIG.

  By providing the air path constituting member 8, warm air discharged from the outlet 52 of the outdoor air flow path 5 during cooling is accumulated over the entire space below the bottom plate 75, or the outdoor air flow path 5 during heating. The cold air discharged from the discharge port 52 does not accumulate, and heat exchange that reduces the effect of air conditioning can be suppressed. Moreover, the heat exchange which reduces the effect of air conditioning can be suppressed further by having comprised the air path structural member 8 with the heat insulating material.

It is a sectional side view of one embodiment of the present invention. It is a sectional side view of other embodiment. It is a perspective view of the toilet room which installed the cabinet of embodiment same as the above. (A) is a side sectional view of another example of the above, and (b) is a side sectional view of still another example of the same. It is sectional drawing of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Casing 11 Casing upper part 12 Casing lower part 2 Heat pump 20 Refrigerant flow path 21 Compressor 22 Expansion valve 23 Heat exchanger 24 Heat exchanger 3 Communication part 4 Indoor air flow path 41 Inlet port 42 Outlet port 43 Fan 5 Outdoor air flow path 51 Suction port 52 Discharge port 53 Fan F Floor F ₀ opening

Claims (4)

  An air conditioner in which a heat pump is housed in an integral casing, wherein the casing is placed on the floor so as to block a communication portion provided on the floor and communicating with the floor below, and above the lower portion of the casing. An upper part of the casing is formed, an indoor air flow path is formed in the upper part of the casing, and an intake port and a discharge port of the indoor air flow path are formed in the upper part of the casing. A heat pump heat exchanger, which is one of the condensers, and a fan are provided, an outdoor air flow path is formed in the lower part of the casing, an intake port for the outdoor air flow path is formed on the side surface of the lower part of the casing, and a discharge port is provided on the floor. Heat exchange of a heat pump that is formed on the lower surface of the lower part of the casing so as to communicate with the under floor through a communication portion provided on the surface, and that becomes the other of the evaporator or the condenser during operation in the outdoor air flow path Air conditioning apparatus characterized by a comprising providing a fan.   It is a cabinet which accommodated the air conditioner of Claim 1, Comprising: The outlet of the indoor air flow path formed in the upper part of the casing of the said air conditioner faces the front board of the cabinet, and is provided in the bottom face of the cabinet, and is under the floor. The casing is placed on the bottom surface so as to block the communicating portion communicating with the air outlet, and a discharge opening is formed in a portion corresponding to the discharge port of the indoor air flow path on the front plate of the cabinet. A cabinet characterized in that it forms an indoor communication port that connects the inside and outside of the cabinet.   Install the bottom plate of the cabinet on the base unit installed on the floor of the room, and place the front of the base unit behind the front plate of the cabinet as a kick, in the front part of the cabinet bottom plate. The cabinet according to claim 2, wherein an indoor communication port is formed.   An air passage component member is provided between the bottom plate of the cabinet and the floor surface, and is formed of a cylindrical heat insulating material that connects the opening formed in the bottom plate and the opening formed in the floor surface. 3. The cabinet according to 3.

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