JP2000249364A - Built-in type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize common use of built-in type air conditioners of panel specification and duct specification by sharing an electric component box between them. SOLUTION: In built-in type air conditioners of panel specification and duct specification installed in the ceiling space 34 of a building 31 where a supply duct 36 extends from a unit body 35 containing a heat exchanger and a fan and provided with an electric component box 37, the electric component box 37 is provided with an opening 58 closable with an electric component box cover 65 and it can be fixed to the unit body reversibly at such a position as the opening faces the inside or outside of the unit body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a built-in type which is installed on a ceiling of a building, has a heat exchanger and a fan inside, and guides heat-exchanged air to an appropriate position in a room through a blow-off duct. Related to air conditioners.

[0002]

2. Description of the Related Art In general, there is known a built-in type air conditioner in which a blower duct is extended and an electric box is provided in a unit body containing an indoor heat exchanger and a fan, which is installed in a ceiling space of a building. ing. In such a built-in type air conditioner, the air that has been heat-exchanged in the unit body can be guided to an appropriate position in the room through the air outlet duct and blown out into the room, so that the optimal air without impairing the aesthetics of the room. Harmony can be achieved.

Conventionally, this type of built-in type air conditioner includes a panel type built-in type air conditioner 10 and a duct type built-in type air conditioner 20, as shown in FIG. Panel-type built-in type air conditioner 10 (FIG. 1)
2 (A)) is for sucking room air from a ceiling panel 12 provided on a lower surface of the unit main body 11 and installed on a ceiling plate, and an electrical box is arranged inside the unit main body 11. Therefore, the electric work or maintenance of the panel-type built-in type air conditioner 10 is performed by an operator who opens the suction plate 13 of the ceiling panel 12 and
The operation is performed on the electrical box by inserting a hand from step 2. Reference numeral 14 in FIG. 12A indicates a wiring inlet of an external wiring connected to the electrical box.

On the other hand, a duct-type built-in type air conditioner 20 (FIG. 12B) is provided with a suction duct 22 on the back of a unit body 21 and sucks room air through the suction duct 22. The box 23 is installed on the outer surface of the side plate of the unit main body 21. Therefore, electric work or maintenance of the duct-type built-in type air conditioner 20 is performed by inserting a hand through an inspection port (not shown) opened in a ceiling plate of a building, and thereby, the electric box is not installed. Will be implemented. Note that reference numeral 24 in FIG.
Is a wiring inlet for external wiring connected to the electrical box 23.

[0005]

However, in the above-mentioned panel-type built-in type air conditioner 10 and duct-type built-in type air conditioner 20, related components (particularly, electric components) depend on the mounting position of the electrical box and the difference in the air suction direction. Boxes) are separate parts, and they have no commonality. For this reason, the related parts are replaced at the installation site, and the panel-specific built-in type air conditioner 10 is replaced with the duct-specific built-in type air conditioner 20 or the duct-specific built-in type air conditioner 20 is replaced with the panel-specific built-in type air conditioner. It is extremely difficult to change the specifications to each other.

An object of the present invention has been made in view of the above-mentioned circumstances, and the electric box of the built-in type air conditioner of the panel specification and the duct specification is made a common part, so that both air conditioners can be shared. It is to provide a built-in type air conditioner that can be realized.

[0007]

According to the first aspect of the present invention, an air outlet duct and an electrical box are provided in a unit body which is installed on a ceiling of a building and houses a heat exchanger and a fan. In the built-in type air conditioner provided, the electrical box is provided with an opening and is provided so as to be able to be invertedly mounted on the unit main body, and is fixed to the unit main body at a position where the opening faces the inside or outside of the unit main body. It is characterized by being constituted so that it can be attached.

According to a second aspect of the present invention, there is provided a built-in type air conditioner in which an air outlet duct is extended and an electric box is provided in a unit body containing a heat exchanger and a fan, which is installed on a ceiling of a building. In the machine, the electrical box has an opening, and has a pin at a position facing the opening, and is rotatably supported by the unit main body via the pin so as to be rotatable within a predetermined angle A. At a position facing the inside or outside of the unit main body, it is configured to be fixed and attachable to the unit main body.

According to a third aspect of the present invention, there is provided a built-in type air conditioner in which a blower duct is extended and an electric box is provided in a unit body containing a heat exchanger and a fan, which is installed on a ceiling of a building. In the machine, the electrical box has a triangular prism shape, has an opening on one side, has pins on a top surface and a bottom surface facing each other, and is rotatable within a predetermined angle B to the unit body via the pins. Pivotally supported, with the opening facing the inside or outside of the unit body,
It is characterized in that it is configured to be fixed and attachable to the unit body.

[0010] The invention described in claim 4 is the first to third aspects of the present invention.
In the invention according to any one of the above, the lid for closing the opening of the electrical box is provided by fastening means inserted from any one direction orthogonal to the electrical box or a direction inclined with respect to both directions. , And is configured to be attachable to the electric component box.

[0011] The invention according to claim 5 provides the invention according to claims 1 to 4.
In the invention described in any one of the above, the electrical box has a wiring outlet formed on both sides sandwiching the opening, or on one side adjacent to the opening and on the back facing the opening. Is what you do.

The first aspect of the invention has the following operation.

The electrical box is provided with an opening and is provided so as to be reversibly mountable to the unit main body, and is configured to be fixedly mountable to the unit main body at a position where the opening faces inside or outside the unit main body. Therefore, in the case of panel specifications, the electrical box is fixed to this unit body with the opening facing the inside of the unit body, and in the case of the duct specification, the opening faces toward the outside of the unit body. Since the electrical box can be fixed and attached to the main body, the electrical box can be used as a common part for the panel specification and the duct specification, and the built-in air conditioner for both the panel specification and the duct specification can be shared.

The second aspect of the present invention has the following operation.

The electrical box has an opening and a pin at a position facing the opening, and is pivotally supported by the unit main body via the pin so as to be rotatable within a predetermined angle A,
Since the opening faces the inside or outside of the unit main body and can be fixed and attached to the unit main body, in the case of a panel specification, the electrical box is arranged so that the opening faces the inside of the unit main body. To fix the electrical box to the unit body, and in the case of the duct type, rotate the electrical box so that the opening faces the outside of the unit body, and secure the electrical box to the unit body. The electrical box can be made a common part for the panel specification and the duct specification, and the common use of both the panel specification and the duct specification built-in type air conditioner can be realized.

The third aspect of the invention has the following effects.

The electrical box has a triangular prism shape, is provided with an opening on one side surface, has pins on a top surface and a bottom surface facing each other, and pivots to the unit main body via the pins so as to be rotatable within a predetermined angle B. It is supported and can be fixedly attached to the unit main body at a position where the opening faces the inside or outside of the unit main body. Therefore, in the case of the panel specification, the opening faces the inside of the unit main body. Rotate the electrical box to fix the electrical box to the unit body.In the case of the duct type, rotate the electrical box so that the opening faces the outside of the unit body. The electrical box can be made a common part between the panel specification and the duct specification, and both the panel specification and the duct specification can be shared.

The invention according to claim 4 has the following operation.

The lid for closing the opening of the electrical box is connected to the electrical box by fastening means inserted from any one direction orthogonal to the electrical box or a direction inclined with respect to both directions.
The fastening means can be inserted into the electrical box and the lid from the direction in which the tool for operating the fastening means can be most easily operated, since the mounting means is configured to be mountable on the electrical box.

[0020] The invention described in claim 5 has the following operation.

In the electrical box, one of the wiring outlets provided on both sides sandwiching the opening is provided with the internal wiring on one side.
By inserting external wires into the other,
One of the wiring outlets provided on one side adjacent to the opening and on the back opposite to the opening, the internal wiring is inserted into one, and the external wiring is inserted into the other, so that both built-in air for panel specification and duct specification are inserted. The use of a common component of the electrical component box for the harmonic machine can be further ensured.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

[A] First Embodiment (FIGS. 1 to 7) FIG. 1 shows a first embodiment of a built-in type air conditioner according to the present invention. It is a side view which each shows an air conditioner and (B) show a duct specification built-in type air conditioner.

The panel-type built-in type air conditioner 30 shown in FIG. 1A and the duct-type built-in type air conditioner 40 shown in FIG. It is arranged to be suspended in a ceiling space 34 therebetween, and has a unit main body 35, an air outlet duct 36, and an operation control electrical box 37.

In the unit body 35, a top plate 39 is fixed to an upper edge of four side plates 38 provided in a rectangular frame shape and opposed to each other, and a bottom plate 46 is fixed to a part of a lower edge. Be composed. A heat insulating material is attached to the inner and outer surfaces of the side plate 38, the top plate 39, and the bottom plate 46.

A hanging member 41 is fixed to the side plate 38 of the unit body 35, and the hanging member 41 is fixed to a hanging bolt 42 suspended from the ceiling 32 of the building 31,
A panel-type built-in type air conditioner 30 and a duct-type built-in type air conditioner 40 are configured to be able to hang on a ceiling 32 of a building 31.

An indoor heat exchanger (not shown), a fan and a fan motor (not shown) are housed inside the unit body 35. The indoor heat exchanger uses a refrigerant pipe (liquid pipe) connected to the refrigerant pipe connection port 43 and a refrigerant pipe (gas pipe) connected to the refrigerant pipe connection port 44 shown in FIGS. Connected to an outdoor unit (not shown). Unit body 35
The indoor indoor heat exchanger cools or heats the air sucked into the unit main body 35 as described later by evaporating or condensing the refrigerant guided from the outdoor unit.

Reference numeral 45A in FIGS. 2 and 4 indicates a drain pipe connection port, and reference numeral 45B indicates a drain discharge port.

Usually, a plurality of the blow-out ducts 36 extend from the unit main body 35. One end of each of the outlet ducts 36 is fitted to an outlet 47 provided integrally with one side plate 38 of the unit body 35, and an outlet grill 48 is attached to the other end. The blowout grill 48 is installed at an appropriate position on the ceiling plate 33. Due to the rotation of the fan in the unit main body 35, indoor air is sucked into the unit main body 35 as described later, and the air heat exchanged by the indoor heat exchanger is blown into the room from the blow grill 48 through the blow duct 36. .

By the way, the panel-type built-in type air conditioner 30 shown in FIGS.
5, a ceiling panel 49 is fitted in the lower opening. The ceiling panel 49 includes a suction plate 50 at a central position, and sucks room air from a gap with the suction plate 50,
It is introduced into the unit body 35.

In the built-in air conditioner 40 of the duct type shown in FIGS. 1B and 4, one side plate 38 of the unit main body 35 faces the side plate 38 on which the outlet 47 is installed (ie, the side plate 38). A suction opening (not shown) is formed in a rear plate 38B of the duct-type built-in type air conditioner 40, and one side of the suction plate 52 is usually provided on the side plate 38 (the rear plate 38B) via, for example, a filter box 51.
Are connected. A suction grill 53 is fitted to one end of the suction duct 52, and the suction grill 53 is installed at an appropriate position on the ceiling plate 33. Room air is taken in from the suction grill 53 and is drawn into the unit main body 35 through the suction duct 52. The lower opening of the unit main body 35 is closed by a main body cover 77.

Now, as shown in FIG. 1, the electrical box 37 is provided on the side plate 38 of the unit main body 35 so that the outlet duct 3
6 or the side plate 38A without the suction duct 52
Attached to The electrical box 37 has a box 54 and an electrical box cover 65 as shown in FIGS. 3 and 5, and includes a control board (not shown) and a terminal plate 55 inside the box 54 having a substantially rectangular parallelepiped shape. It is composed. Wirings (referred to as internal wirings 56) from a fan motor, a drain pump, a float switch, an electronic control valve, various sensors, and the like installed in the unit main body 35 are connected to the control board or the terminal plate 55. External wiring 57 such as power supply wiring, inter-unit wiring, or remote control wiring is connected to the terminal plate 55.

An opening 58 is formed at one side of the box 54 of the electrical box 37. The box 54 has an opening 58.
A first wiring inlet 61 is formed on one side face 59 adjacent to the opening 5.
Second wiring inlets 62 are formed on one side surface (hereinafter referred to as back surface 60) facing 8. Furthermore, the box 54 is provided with mounting flanges 64 that are discharged outwardly on both side surfaces (one side surface 59 and the other side surface 63 facing the one side surface 59) adjacent to the opening 58.

The opening 58 of the box 54 is provided with an electric box cover 65.
Closed by That is, the locking hook 66 is formed in the upper edge of the box 54 facing the opening 58 in FIGS.
A mounting seat 67 is formed at a lower portion. The electrical box cover 65
The upper edge is locked by a locking hook 66 of the box 54, and the lower edge is fastened to the mounting seat 67 of the box 54 using a lid mounting screw 68 as fastening means. 54
Fixedly mounted on

The electrical box 37 constructed as described above is partially attached to the mounting opening 69 formed in the side plate 38A of the unit body 35 where the blow-out duct 36 or the suction duct 52 is not provided. Insert the unit body 3
5 is provided so as to be able to be mounted upside down. That is, the electrical box 37
2 is attached to the panel specification built-in type air conditioner 30, as shown in FIGS. 2 and 3, the opening 58 of the electrical box 37 faces the inside of the unit body 35, and a part of the electrical box 37 on the opening 58 side is used. Is inserted into the mounting opening 69 of the unit body 35, the mounting flange 64 of the electrical box 37 is brought into contact with the outer surface of the side plate 38A of the unit body 35, and the mounting flange 64 and the side plate 38A are fastened with the box mounting screw 70. Thereby, the electrical box 37 is fixedly attached to the unit main body 35.

When the electric box 37 is mounted on the duct-type built-in type air conditioner 40, the electric box 37 is turned upside down as shown in FIGS.
8 to the outside of the unit body 35, and a part of the electrical box 37 on the back surface 60 side is
And the mounting flange 64 of the electrical box 37 is brought into contact with the outer surface of the side plate 38A of the unit main body 35, and the mounting flange 64 and the side plate 38A are fastened by the box mounting screw 70. 35 and fixedly attached.

When the electronic box 37 is shipped from the factory, the opening 58 is usually fixed with the opening 58 facing the inside of the unit body 35, and the panel-type built-in type air conditioner 30 is connected to the duct-type built-in type at the installation site. Air conditioner 40
When the specification is changed, the opening 58 is replaced so as to face the outside of the unit body 35.

Conversely, the electrical box 37 is installed in the form of a duct-type built-in type air conditioner 40 at the time of shipment from the factory, and the specifications are changed to the panel-type built-in type air conditioner 30 as required at the installation site. You may.

In the panel-type built-in type air conditioner 30, as shown in FIGS.
6 is inserted into the electrical box 37 through the first wiring inlet 61, and the external wiring 57 is inserted into the electrical box 37 through the second wiring inlet 62. In the duct-type built-in type air conditioner 40, as shown in FIGS. 4 and 5, the internal wiring 56 is inserted into the electrical box 37 through the second wiring inlet 62, and the external wiring 57 is It is inserted into the electrical box 37 through one wiring inlet 61.

As shown in FIGS. 2 and 4, in the electric work or maintenance of the panel-type built-in type air conditioner 30 or the duct-type built-in type air conditioner 40, in the case of the panel-type built-in type air conditioner 30,
The operator opens the suction plate 50 of the ceiling panel 49, inserts his hand into the unit body 35, and removes the electrical box cover 65, thereby performing wiring work in the electrical box 37. In the case of the duct-type built-in type air conditioner 40, the worker firstly closes the inspection opening 71 formed in the ceiling plate 33 of the building 31 shown in FIG.
Is removed, and a hand is inserted into the ceiling space 34 from the inspection opening 71, and the electrical box cover 65 is removed.
Conduct the wiring work in 7.

Therefore, according to the above embodiment, the following effects (1) to (3) can be obtained.

(1) The electrical box 37 has an opening 58 and is provided in the unit main body 35 so as to be reversibly mountable.
Since the opening 58 faces the inside or outside of the unit main body 35 so as to be fixed and attachable to the unit main body 35, in the case of the panel-type built-in type air conditioner 30, the opening 58 is connected to the unit main body 35. An electrical box 37 is fixed to the unit main body 35 by using a box mounting screw 70 toward the inside of the unit 35, and in the case of the duct-type built-in type air conditioner 40, the opening 58 is provided outside the unit main body 35. The electrical box 3
7 can be fixed and mounted using the box mounting screw 70, so that the electrical box 37 can be made into a common part between the panel specification built-in type air conditioner 30 and the duct specification built-in type air conditioner 40, and the panel specification built-in type The air conditioner 30 and the duct-type built-in type air conditioner 40 can be shared. As a result, the number of built-in type air conditioners can be reduced, and inventory management can be facilitated.

(2) The opening 58 of the electrical box 37 is directed toward the inside of the unit body 35 because the electrical box 37 is made a common part in the panel-type built-in type air conditioner 30 and the duct-type built-in type air conditioner 40. If the factory-installed panel-type air conditioner 30 is to be shipped from the factory, and the duct-type built-in air conditioner 40 is to be installed at the installation site, the opening 58 of the electrical box 37 should be changed at the installation site so as to face the outside of the unit body 35. The specification can be changed to a built-in type air conditioner 40 with a duct specification.

(3) In the electrical component box 37, one of a first wiring inlet 61 and a second wiring inlet 62 provided on one side surface 59 adjacent to the opening 58 and the back surface 60 facing the opening 58, respectively. To the internal wiring 56 and the other to the external wiring 5.
7 can be inserted into the electrical box 37 for the panel-type built-in type air conditioner 30 and the duct-type built-in type air conditioner 40 more reliably.

FIGS. 6 and 7 show a modification of the first embodiment. In this modification, the box 54 of the electrical box 37 is
In the lower portion of the one side surface 59 and the other side surface 63 on the side of the opening 58, a slope which is notched obliquely with respect to the vertical edge 73A and the horizontal edge 73B between the vertical edge 73A and the horizontal edge 73B which are orthogonal to each other. An edge 73C is formed. On one side surface 59 and the other side surface 63, mounting seats 76A, 76B, and 76C are integrally provided at positions corresponding to the lower portion of the vertical edge 73A, the horizontal edge 73B, and the inclined edge 73C, respectively. .

The electrical component box cover 65 has a front part 74A and a bottom part 7A orthogonal to the inclined edge 73C of the box body 54.
4B between the front portion 74A and the bottom portion 74B.
The inclined surface portion 74C that is inclined with respect to is formed integrally. The lower portion of the front portion 74A, the bottom portion 74B, and the inclined surface portion 7
Screw holes 75A, 75B, 75C are opened in each of 4C.

When attaching the electric box cover 65 to the box 54 of the electric box 37, first, the front part 74 of the electric box cover 65 is used.
A, the bottom surface portion 74B and the inclined surface portion 74C are formed by a vertical edge 73A and a horizontal edge 73 on one side surface 59 and the other side surface 63 of the box 54.
B and abut against the inclined edge 73C. Thereafter, a screw hole 75A and a mounting seat 76A, a screw hole 75B and a mounting seat 76B, a screw hole 75C and a mounting seat 7 are provided so that a tool such as a driver for rotating the lid mounting screw 68 can be easily operated.
6C, a direction A orthogonal to any one set of
The cover mounting screws 68 are inserted from B and C, and the cover mounting screws 68 are tightened by the above-mentioned tool, so that the electric box cover 65 is fixedly mounted on the box body 54.

Therefore, according to this modification, the following effect (4) is obtained in addition to the effects (1), (2) and (3) of the first embodiment.

(4) The electric box cover 65 for closing the opening 58 of the electric box 37 is provided in any one direction orthogonal to the electric box 37 or in a direction inclined with respect to both directions.
That is, a direction A orthogonal to one of the front part 74A, the bottom part 74B, and the inclined part 74C of the electrical box cover 65,
The electrical box 3 is attached by the cover mounting screws 68 inserted from B and C.
7, the cover mounting screw 68 can be inserted into the box 54 of the electrical component box 37 and the electrical component box lid 65 from the direction in which the tool for operating the lid mounting screw 68 is most easily operated. Therefore, attachment and detachment of the electrical box cover 65 can be facilitated.

[B] Second Embodiment (FIGS. 8 and 9) FIG. 8 shows a panel-type built-in type air conditioner to which the second embodiment of the built-in type air conditioner according to the present invention is applied. It is a partial perspective view. FIG. 9 is a partial perspective view showing a duct-type built-in type air conditioner to which the second embodiment of the built-in type air conditioner according to the present invention is applied. In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

The electrical box 81 used for the panel-type built-in type air conditioner 80 and the duct-type built-in type air conditioner 90 of the second embodiment has an opening 83.
It has a box main body 82 that houses a control board (not shown) and the terminal plate 55 therein, and an electric box cover 84 that closes the opening 83.

The opening 83 is formed on one side of the electrical box cover 84. Top surface 8 straddling opening 83 in box body 82
Support pins 87 are implanted on the fifth and bottom surfaces 86. Also,
An outer mounting flange 91 and an inner mounting flange 92 are fixed to side surfaces 88 and 89 of the box main body 82 so as to sandwich the opening 83.

The electrical box 81 thus constructed is partially inserted through the mounting opening 69 of the unit body 35.
A predetermined angle A (approximately 180
In the range of (degree), it is rotatably supported by the unit main body 35. At this time, at the maximum rotation angle position, the outer mounting flange 91 abuts on the outer surface of the side plate 38A of the unit body 35, and the inner mounting flange 92 abuts on the inner surface of the side plate 38A.

When the above-mentioned electrical box 81 is mounted on the unit body 35 of the panel-type built-in type air conditioner 80, the electrical box 81 is placed so that the opening 83 faces the inside of the unit body 35 as shown in FIG. Is rotated with the support pin 87 as a fulcrum, and the outer mounting flange 91 is brought into contact with the outer surface of the side plate 38A, and the inner mounting flange 92 is brought into contact with the inner surface of the side plate 38A. Then, the outer mounting flange 91 and the inner mounting flange 92 are fixed to the side plate 38A using the box mounting screw 70, and the electrical box 81 is mounted on the unit body 35.
In the factory shipping state, the electrical box 81 is usually attached to the unit body 35 in this state.

When the above-mentioned electrical box 81 is mounted on the unit main body 35 of the duct-type built-in type air conditioner 90, as shown in FIG. Is rotated about 180 degrees with the support pin 87 as a fulcrum, and the outer mounting flange 91 is
The inner mounting flange 92 is brought into contact with the outer surface of the side plate 8A and the inner surface of the side plate 38A. And the outer mounting flange 9
The first and inner mounting flanges 92 are fixed to the side plate 38A using box mounting screws 70, and the electrical box 81 is mounted to the unit body 35. When it is necessary at the installation site of the built-in type air conditioner, the mounting direction of the electrical box 81 is changed as described above, and the specification of the panel type built-in type air conditioner 80 is changed to the duct type built-in type air conditioner 90. I do.

Therefore, according to the above embodiment, the following effects (5) to (7) can be obtained.

(5) The electrical component box 81 has an opening 83, and has a support pin 87 on a top surface 85 and a bottom surface 86 that straddle the opening 83, and the unit body 35 via the support pin 87.
The opening 83 is rotatably supported within a range of about 180 degrees, and the opening 83 faces the inside or outside of the unit main body 35 so that the opening 83 can be fixedly attached to the unit main body 35 using the box mounting screw 70. Therefore, in the case of the panel specification built-in type air conditioner 80, the opening 83 is
The electrical box 81 is rotated so as to face the inside of the unit, and the electrical box 81 is fixed and attached to the unit main body 35. In the case of the duct-type built-in type air conditioner 90, the opening 83 faces the outside of the unit main body 35. The electrical box 81 may be rotated as described above, and the electrical box 81 may be fixed and attached to the unit main body 35, so that the panel-specific built-in type air conditioner 80 and the duct-type built-in type air conditioner 90 are used for the electrical box 81. Can be used as common parts, and the panel specification built-in type air conditioner 80 and the duct specification built-in type air conditioner 90 can be shared. As a result, the number of built-in type air conditioners can be reduced and inventory management can be simplified.

(6) Since the electrical box 81 is made a common part in the panel-type built-in type air conditioner 80 and the duct-type built-in type air conditioner 90, the opening 83 of the electrical box 81 is directed toward the inside of the unit body 35. When the factory-installed panel-type air conditioner 80 is to be shipped from the factory and a duct-type built-in type air conditioner 90 is to be installed at the installation site, the electrical box 81 is set so that the opening 83 of the electrical box 81 faces the outside of the unit body 35. If it rotates around the support pin 87, the specification can be changed to the built-in duct type air conditioner 90 of the duct type.

(7) Among the first wiring inlet 61 and the second wiring inlet 62 provided on the side surfaces 88 and 89 sandwiching the opening 83 in the electrical component box 81, in the case of the panel specification built-in type air conditioner 80. In the case of the built-in duct type air conditioner 90, the first wiring inlet 61 and the internal wiring 56 are inserted through the first wiring inlet 61 and the second wiring inlet 62, respectively. By inserting the internal wiring 56 into the 61 and the external wiring 57 through the second wiring inlet 62, the electrical component box 81 can be made a common component for the panel-specific built-in air conditioner 80 and the duct-specific built-in air conditioner 90. It can be made even more reliable.

[C] Third Embodiment (FIG. 10, FIG. 1)
1) FIG. 10 is a panel-type built-in type air conditioner to which the third embodiment of the built-in type air conditioner according to the present invention is applied, (A) is a partial perspective view, and (B) is a part thereof. It is a top view. FIG. 11 is a duct-type built-in type air conditioner to which the third embodiment of the built-in type air conditioner according to the present invention is applied, where (A) is a partial perspective view and (B) is a partial plan view. It is. In the third embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

The electrical box 101 used in the panel-type built-in type air conditioner 100 and the duct-type built-in type air conditioner 110 of the third embodiment has an opening 103.
, And has a box main body 102 in which a control board (not shown) and the terminal plate 55 are stored, and an electrical box cover 104 that closes the opening 103.

The box body 102 has a triangular prism shape, and an opening 103 is formed on one side of the box body 102. Support pins 107 are implanted on the mutually facing top surface 105 and bottom surface 106 of the box body 102. The box body 102 has an opening 1
An outer mounting flange 111 and an inner mounting flange 112 are fixed to side edges of the opening 103 on both side surfaces 108 and 109 sandwiching the outer flange 103, respectively.

The electrical box 101 thus configured is inserted through the mounting opening 69 of the unit main body 35, and horizontally extends through the support pin 107 at a predetermined angle B (about 90 degrees).
Is rotatably supported by the unit body 35 in the range of.
At this time, at the maximum rotation angle position, the outer mounting flange 11
1 is in contact with the outer surface of the side plate 38A of the unit body 35, and the inner mounting flange 112 is also in contact with the inner surface of the side plate 38A.

Panel specification built-in type air conditioner 100
When the above-mentioned electrical box 101 is mounted on the unit body 35 of FIG. 1, the electrical box 101 is supported by the support pins 1 such that the opening 103 faces the inside of the unit body 35 as shown in FIG.
07 with the outer mounting flange 111 on the outer surface of the side plate 38A and the inner mounting flange 112 on the side plate 38A.
Abut against the inner surface of each. Then, the outer mounting flange 111 and the inner mounting flange 112 are fixed to the side plate 38A using the box mounting screw 70, and the electrical box 101 is mounted on the unit body 35. In the factory shipping state, the electrical box 101 is usually attached to the unit body 35 in this state.

Duct specification built-in type air conditioner 110
When the above-mentioned electrical box 101 is mounted on the unit main body 35, the electrical box 101 is rotated about 90 degrees about the support pin 107 as a fulcrum so that the opening 103 faces the outside of the unit main body 35 as shown in FIG. Outer mounting flange 1
11 is brought into contact with the outer surface of the side plate 38A, and the inner mounting flange 112 is brought into contact with the inner surface of the side plate 38A. Then, the outer mounting flange 111 and the inner mounting flange 112 are fixed to the side plate 38A using the box mounting screw 70, and
Is attached to the unit body 35. When it is necessary at the installation site of the built-in type air conditioner, the mounting direction of the electrical box 101 is changed as described above, and the specification of the panel type built-in type air conditioner 100 is changed to the duct type built-in type air conditioner 110. I do.

Therefore, according to the above embodiment, the following effects (8) to (10) can be obtained.

(8) The electrical box 101 has a triangular shape, is provided with an opening 103 on one side, and has a support pin 107 on a top surface 105 and a bottom surface 106 facing each other.
Is rotatably supported on the unit body 35 through a range of about 90 degrees through the opening, and the opening 103 is fixed to and attachable to the unit body 35 at a position facing the inside or outside of the unit body 35. In the case of the panel-type built-in type air conditioner 100, the electrical box 101 is rotated so that the opening 103 faces the inside of the unit body 35,
This electrical box 101 is attached to the unit body 35 by a box mounting screw 70.
, Built-in air conditioner with duct specification 1
In the case of 10, the electrical box 101 is rotated so that the opening 103 faces the outside of the unit body 35, and the electrical box 1 is rotated.
01 can be attached to the unit main body 35 using the box attachment screw 70.
00 and the built-in air conditioner 110 of the duct specification can be used as a common component of the electrical box 101, and the built-in air conditioner 100 of the panel specification and the built-in air conditioner 110 of the duct specification can be shared. As a result, the number of built-in type air conditioners can be reduced, and inventory management can be facilitated.

(9) Since the electrical box 101 is a common part in the panel-type built-in type air conditioner 100 and the duct-type built-in type air conditioner 110, the opening 103 of the electrical box 101 is directed toward the inside of the unit body 35. Factory-installed as a panel-type built-in type air conditioner 100, and installed at the installation site as a duct-type built-in type air conditioner 1.
When it is desired to set 10, the electric box 101 can be rotated around the support pin 107 so that the opening 103 of the electric box 101 faces the outside of the unit body 35, and the specification can be changed to the built-in duct type air conditioner 110 of the duct type. it can.

(10) In the electrical box 101, the opening 10
Of the first wiring inlet 61 and the second wiring inlet 62 respectively provided on the side surfaces 108 and 109 sandwiching 3, both the panel specification built-in type air conditioner 100 and the duct specification built-in type air conditioner 110 are used. The external wiring 57 is inserted through the first wiring inlet 61 and the internal wiring 56 is inserted through the second wiring inlet 62, so that the electrical box for the panel-type built-in type air conditioner 100 and the duct-type built-in type air conditioner 110 is inserted. The use of the common component 101 can be made more reliable.

Although the present invention has been described based on the above embodiment, the present invention is not limited to this.
For example, a modification of the first embodiment may be applied to the second or third embodiment.

[0071]

According to the built-in type air conditioner according to the first aspect, the electrical box is provided with an opening and is provided to be reversible in the unit body, and the opening faces the inside or outside of the unit body. Since it is configured to be fixed and attachable to the unit main body, the electrical box of the built-in type air conditioner of the panel specification and the duct specification can be made a common component, and the both built-in type air conditioners can be shared.

According to the built-in type air conditioner according to the second aspect of the present invention, the electrical box has an opening,
A pin is provided at an opening position straddling the opening, is rotatably supported by the unit main body via the pin within a range of a predetermined angle A, and is fixed to the unit main body at a position where the opening faces the inside or outside of the unit main body. Since it is configured so that it can be mounted, the electrical box of the built-in type air conditioner of the panel specification and the duct specification can be made a common part, and the both built-in type air conditioners can be shared.

According to the built-in type air conditioner according to the third aspect of the present invention, the electrical box has a triangular prism shape, is provided with an opening on one side, and has pins on a top surface and a bottom surface facing each other, The unit is pivotally supported on the unit main body via a pin so as to be rotatable within a range of a predetermined angle B, and can be fixedly attached to the unit main body at a position where the opening faces the inside or outside of the unit main body. The electrical box of the built-in air conditioner with the duct specification can be made a common part, and both built-in air conditioners can be shared.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a built-in type air conditioner according to the present invention, wherein (A) is a side view of a panel-type built-in type air conditioner, and (B) is a side view of a duct-type built-in type air conditioner. It is.

FIG. 2 is a perspective view showing a part of the panel-type built-in type air conditioner of FIG. 1 (A).

FIG. 3 is an exploded perspective view showing a state where the electrical box in FIG. 2 is attached.

FIG. 4 is a perspective view showing a part of the duct-type built-in type air conditioner of FIG. 1 (B).

FIG. 5 is an exploded perspective view showing a state where the electrical box in FIG. 4 is attached.

FIG. 6 is a partial exploded perspective view showing a modification of the electrical box of FIGS. 2 and 4;

FIG. 7 is a partial side view of the electrical box of FIG. 6;

FIG. 8 is a partial perspective view showing a panel-type built-in type air conditioner to which a second embodiment of the built-in type air conditioner according to the present invention is applied.

FIG. 9 is a partial perspective view showing a duct-type built-in type air conditioner to which the second embodiment of the built-in type air conditioner according to the present invention is applied.

FIG. 10 is a panel-type built-in type air conditioner to which the third embodiment of the built-in type air conditioner according to the present invention is applied, (A) is a partial perspective view, and (B) is a partial plan view. It is.

FIG. 11 is a duct-type built-in type air conditioner to which the third embodiment of the built-in type air conditioner according to the present invention is applied, (A) being a partial perspective view, and (B) being a partial plan view. It is.

FIG. 12 shows a conventional built-in type air conditioner,
(A) is a perspective view showing a part of a panel-type built-in type air conditioner, and (B) is a perspective view showing a part of a duct-type built-in type air conditioner.

[Explanation of symbols]

 Reference Signs List 30 Built-in type air conditioner with panel specification 31 Building 32 Ceiling 34 Ceiling space 35 Unit main body 36 Blow-out duct 37 Electrical box 40 Built-in type air conditioner with duct specification 49 Ceiling panel 52 Suction duct 54 Box body 56 Internal wiring 57 External wiring 58 Opening 61 First wiring inlet 62 Second wiring inlet 64 Mounting flange 65 Electrical box lid 68 Lid mounting screw (fastening means) 70 Box mounting screw 73C Inclined edge 74C Inclined surface section 80 Panel specification built-in type air conditioner 81 Electrical box 82 Box body 83 Opening 84 Electrical box lid 85 Top surface 86 Bottom surface 87 Support pin 90 Duct specification built-in type air conditioner 100 Panel specification built-in type air conditioner 101 Electrical box 102 Box body 103 Opening 104 Electrical box lid 105 Top surface 106 Bottom 107 Support pin 110 duct specification Built-in type air conditioner A direction B direction C direction

Continuation of the front page (72) Inventor Kazuhiro Hinata 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. 3L051 BJ10

Claims (5)

[Claims] 1. A built-in type air conditioner in which an air outlet duct is extended and an electric box is provided in a unit main body which is installed on a ceiling portion of a building and houses a heat exchanger and a fan, wherein the electric box is , An opening is provided on the unit main body so that the opening can be turned upside down, and the opening can be fixedly attached to the unit main body at a position facing the inside or outside of the unit main body. Built-in type air conditioner. 2. A built-in type air conditioner in which a blower duct is extended and an electric box is provided in a unit main body which is installed on a ceiling portion of a building and houses a heat exchanger and a fan, wherein the electric box is Having an opening, and having a pin at a position facing the opening, rotatably supported by the unit body via the pin so as to be rotatable within a predetermined angle A, and the opening is provided inside or outside the unit body. A built-in type air conditioner characterized in that it can be fixedly attached to the unit body at a position facing the same. 3. A built-in type air conditioner in which an air outlet duct is extended and an electric box is provided in a unit main body which is installed on a ceiling portion of a building and houses a heat exchanger and a fan, wherein the electric box is It has a triangular prism shape, with an opening on one side,
A pin is provided on the top surface and the bottom surface opposed to each other, is rotatably supported by the unit main body via the pin in a range of a predetermined angle B, and the opening faces the inside or outside of the unit main body, A built-in type air conditioner characterized by being configured to be fixed and attachable to the unit body. 4. A lid for closing an opening of the electrical box, wherein the electrical box is connected to the electrical box by fastening means inserted in any one direction orthogonal to the electrical box or in a direction inclined to both directions. The built-in type air conditioner according to any one of claims 1 to 3, wherein the built-in type air conditioner is configured to be attachable to an air conditioner. . 5. The wiring box according to claim 1, wherein a wiring outlet is formed on both sides of the electrical box, or on one side adjacent to the opening and on a back surface facing the opening. 5. The built-in type air conditioner according to any one of items 4 to 4.