JP2005083703A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioner capable of simplifying the piping work of pipes expanded to an outdoor location, and improving the appearance of a wall face at an outdoor side, with respect to the air conditioner comprising a ventilating device performing the ventilation through a wall hole on which a refrigerant pipe is mounted. <P>SOLUTION: This air conditioner where an indoor unit and an outdoor unit are connected by the refrigerant pipe through the wall hole, further comprises the ventilating device having an outdoor fan, a fan case accommodating the outdoor fan, and an air supply/exhaust passage for communicating indoor and outdoor sides of a house through the wall hole. A protection cover 22 is mounted for covering an outdoor part of the ventilating device in a state of inserting the refrigerant pipe. The protection cover 22 is attached to the wall face of a building, and has a back plate 25 and an outer cover 27 mounted on the back plate 25 for covering the fan case and the refrigerant pipe. The outer cover 27 has complementary take-out ports 61, 62, 63 for taking out the refrigerant pipe. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an air conditioner provided with a ventilation device for ventilating room air so as to provide a more comfortable indoor environment.

  Today, an indoor unit of a separation type air conditioner is arranged on an indoor wall, indoor air is sucked into the indoor unit by a circulation fan inside the indoor unit, and heat generated by the heat exchanger inside the indoor unit is exchanged. It is extremely common to supply warm air into the room and maintain the room in a comfortable temperature environment. However, in order to improve the cooling and heating effects, the air conditioning is performed without much room ventilation. Therefore, if the room is in a hermetically sealed state for a long time, the room air becomes dirty. Therefore, it is necessary to open the room regularly to release the room air and to ventilate the outside air.

For this reason, what has been conventionally provided with a ventilator in an air conditioner has been proposed. For example, a building hole is formed on the wall of a building, where a space between the indoor unit and the outdoor unit of the air conditioner passes through and a piping hole having a ventilation passage, and an outdoor fan for ventilation and a fan motor for driving the ventilation fan are installed outdoors. In addition, a ventilation device provided in the vicinity of the outlet of the ventilation passage (see, for example, Patent Document 1), a space through which a pipe between an indoor unit and an outdoor unit of an air conditioner passes through a building wall, and for exhaust and air supply A blower in which a piping hole having a ventilation passage is formed and one of the sirocco fans provided on the left and right shafts of the fan motor is accommodated in the exhaust ventilation passage and the other sirocco fan is accommodated in the supply ventilation passage. An internal ventilation unit is installed in the vicinity of the indoor unit, and one of the sirocco fans rotates to exhaust the indoor air from the exhaust ventilation passage to the outside. At the same time, the other sirocco fan rotates to supply outside air from the air supply ventilation passage. Ventilator forms to perform ventilation incorporating the inner (e.g., see Patent Document 2).
Japanese Patent Laid-Open No. 2001-27433 Japanese Patent No. 2629665

  By the way, in the air conditioner provided with the ventilation device as described above, a ventilation fan is provided in the vicinity of the wall hole on the outdoor side, and the refrigerant pipe connected between the indoor unit and the outdoor unit through the wall hole, the indoor unit A power cord for operating the electrical parts, a transmission line for a control system that transmits and receives signals between the indoor unit and the outdoor unit, and piping such as a drain hose for discharging drain water to the outside are extended. These pipes are generally piped downward after extending from a wall hole to the outdoors. Therefore, for example, when piping to the right, the pipe is once extended downward and then piped to the right. For this reason, the bending work of piping increases, piping work becomes complicated, and there exists a possibility that the external appearance of a wall surface may be impaired.

  The present invention has been made in view of the above circumstances, and in an air conditioner equipped with a ventilator that ventilates through a wall hole in which a refrigerant pipe is provided, while facilitating the installation work of pipes that are extended outdoors. An object of the present invention is to provide an air conditioner that improves the appearance of the wall surface on the outdoor side.

  In order to solve the above-mentioned problem, an invention according to claim 1 is an air conditioner in which an indoor unit installed indoors and an outdoor unit installed outdoors are connected by a refrigerant pipe through a wall hole. A ventilator having an outdoor fan for ventilation installed outdoors, a fan case for storing the outdoor fan, and a supply / exhaust passage communicating with the fan case and the interior and exterior of the house through the wall hole, A protective cover that covers the outdoor portion of the ventilator and that passes through the refrigerant pipe is provided. The protective cover is attached to the wall surface of the building, and the outer cover is attached to the rear board and covers the fan case and the refrigerant pipe. The outer cover is provided with a pipe outlet opening downward and a preliminary outlet for taking out the refrigerant pipe.

  According to a second aspect of the present invention, in the air conditioner according to the first aspect, the preliminary outlet portion is provided at a plurality of locations of the outer cover.

  According to a third aspect of the present invention, in the air conditioner according to the first or second aspect, the preliminary take-out port portion is provided with a rib inside the outer cover and along the periphery of the pre-takeout port portion. It is characterized by that.

  According to a fourth aspect of the present invention, in the air conditioner according to the first or second aspect of the present invention, the preliminary outlet portion is provided with a recess inside the outer cover and along the periphery of the preliminary outlet portion. It is characterized by that.

  The air conditioner of the present invention is provided with a protective cover that includes a ventilator and covers an outdoor side portion (such as an outdoor fan and a fan case) of the ventilator. In addition to the outlet, a preliminary outlet for taking out the refrigerant piping in the upward and left-right directions is provided. By utilizing any of these preliminary outlets, the outdoor extraction direction of the refrigerant pipe can be selected, so that the pipe installation work can be facilitated and the appearance of the wall surface of the building can be improved.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an air conditioner shown with a part omitted (side surfaces of an indoor unit, a wall of a building, and an outer cover of a ventilation device), and FIG. 2 is a perspective view of a protective cover shown with the outer cover removed. FIG. 3 is a perspective view of the protective cover shown with the outer cover attached, and FIG. 4 is a cross-sectional view showing piping passing through the wall hole.

  In FIG. 1, an indoor unit 1 has a main body case 5 including a front case 3 having a suction panel 2 and a rear case 4 on the back side, and a blower outlet (not shown) is provided at the lower end of the main body case 5. ) And a heat exchanger 6 for heating / cooling indoor air is disposed in the main body case 5. The heat exchanger 6 functions as a cooler during the cooling / dehumidifying operation and functions as a heater during the heating operation by allowing the refrigerant to pass through the refrigerant tube 7 arranged perpendicularly to the fins and meandering. .

  A circulation fan 8 is provided inside the main body case 5 so as to be surrounded by the heat exchanger 6, and indoor air is sucked from the suction panel 2 by the circulation fan 8 and heated / cooled by the heat exchanger 6. Thus, the cool air / warm air is blown out again from the outlet and circulated. In addition to this, a drain pan 9 provided at the lower end of the heat exchanger 6 for storing and discharging dripped drain water, or an air filter (not shown) disposed between the heat exchanger 6 and the suction panel 2. ) And components such as a wind direction device (not shown) for changing the blowing direction provided at the outlet. Further, an electrical component 11 for performing operation control of the compressor of the outdoor unit (not shown), drive control of the fan motor of the circulation fan 8, and the like are partitioned and incorporated in one side portion of the main body case 5. .

  Here, the indoor unit 1 and the outdoor unit (not shown) are connected by a refrigerant pipe disposed between the units, a refrigerant compressor, an outdoor heat exchanger and a decompression device provided in the outdoor unit, and the indoor unit A refrigeration cycle in which the refrigerant circulates between the heat exchanger 6 is formed. The refrigerant pipe is connected to the heat exchanger 6 and piped from the right part of the main body case 5 to the outside through a wall hole provided at the rear. As shown in FIG. 4, in addition to the refrigerant pipes 31, 32, the power supply cord 33 for operating the circulation fan 8, the wind direction device, etc. A control system transmission line 34 for detecting the temperature / pressure of the refrigerant or the room temperature and controlling the operation of the refrigerant compressor and the like, and a piping 18 such as a drain hose 35 connected to the discharge port of the drain pan 9 are provided. They are arranged together.

  During the air conditioning operation, the refrigerant compressor of the outdoor unit and the circulation fan 8 of the indoor unit 1 are operated, and the rotation of the circulation fan 8 causes the indoor air to be sucked into the indoor unit 1 from the suction panel 2 and exchanges heat with the heat exchanger 6. Then, cold air / warm air is blown into the room from the lower outlet, and air conditioning for cooling / heating is performed.

  Next, the ventilation device will be described. The ventilation device provided in the air conditioner is provided with an indoor fan for exhaust inside the indoor unit 1 and an outdoor fan for supplying air outside, and a common supply / exhaust pipe is driven by either of them. The air is supplied or exhausted through the air and ventilated.

  In FIG. 1, reference numeral 12 denotes an indoor fan for exhausting and ventilating indoor air to the outside (outdoors), and is housed in the indoor unit 1. Specifically, for example, it is arranged near the side surface of the heat exchanger 6. A sirocco fan is used as the indoor fan 12. The sirocco fan and the fan driving motor are housed in a thin, substantially cylindrical indoor fan case 13A. When the sirocco fan rotates, room air is sucked in from a circular suction port 14A opened on one side of the indoor fan case 13A, and then blown out from a blowing portion 15a provided at one end of the indoor fan case 13A.

  On the other hand, 20 is an outdoor fan for supplying outdoor air to the room for ventilation, and is provided at a position facing the outdoors. That is, it is arranged outside the indoor wall (not shown) to which the indoor unit 1 is attached. A sirocco fan is also used for the outdoor fan 20, and when the sirocco fan rotates, as in the previous indoor fan 12, outdoor air is sucked from the circular suction port 14B opened on one side of the outdoor fan case 13B. Then, it blows off from the blowing part 15b provided in the one end part of the outdoor fan case 13B.

  Reference numeral 16 denotes a common air supply / exhaust pipe provided to exhaust indoor air sucked by the indoor fan 12 to the outside and supply outdoor air sucked by the outdoor fan 20 to the room. It is arranged so that it exists and exists inside and outside the house. The supply / exhaust pipe 16 forms a supply / exhaust path that communicates the inside and outside of the house. The indoor fan 12 and the outdoor fan 20 are provided at both ends of the indoor fan 12 and the outdoor fan 20 so as to be connected via the single common air supply / exhaust pipe 16. That is, the indoor fan 12 is installed so as to be connected to the indoor side open end 17 a of the air supply / exhaust pipe 16, and the outdoor fan 20 is installed so as to be connected to the outdoor side open end 17 b of the pipe 16.

  The outdoor fan 20 is attached to the outdoor opening end 17b of the air supply / exhaust pipe 16 in a hanging manner with the blowout portion 15 connected thereto. Further, as shown in FIG. 2, screw insertion holes 21 and 21 for fixing the outdoor fan case 13B are formed in the upper left portion and the lower right portion of the outdoor fan case 13B.

  The air supply / exhaust pipe 16 is extended from the indoor unit 1 side to the back thereof, and then extends horizontally along the back side of the indoor unit 1 toward the side opposite to the outlet, and is bent at a right angle at the tip thereof. It is extended to the outdoors.

  One of the indoor fan 12 and the outdoor fan 20 is driven. When the indoor fan 12 is driven alone, the indoor fan 12 sucks indoor air from its inlet 14A and passes through the air supply / exhaust pipe 16. Ventilation is performed by exhausting the outdoor fan 20 to the outside using the suction port 14B of the outdoor fan 20 as a blowout part. On the other hand, when the outdoor fan 20 is driven alone, outdoor air is sucked from the suction port 14B by the outdoor fan 20 and blown into the room through the air supply / exhaust pipe 16 using the suction port 14A of the indoor fan as a blowing portion. Is done. In this way, the indoor fan case 13A, the outdoor fan case 13B, and the single common air supply / exhaust pipe 16 provided by connecting both ends constitute a ventilation device.

  Next, the piping provided on the outdoor side and the protective cover that covers the outdoor side portion of the ventilator will be described.

  2 and 3, the protective cover 22 includes a rear plate 25 attached to a wall surface provided with a wall hole (not shown), a partition 26 for partitioning the inside of the protective cover 22 and fixing the outdoor fan case 13B, The outer cover 27 covers the outside of the protective cover 22 and covers the outdoor side portion of the ventilator and the wall outlet portion of the piping 18.

  The rear plate 25 has a circular upper portion and a rectangular lower portion, and is provided with a flange 41 on the outer periphery and an inverted U-shaped vertical wall 42 on the inner side of the flange 41. The flange 41 is provided with five screw holes 43, 43,... For mounting on the wall surface, and a substantially circular insertion hole 44 through which the pipes 18 and the air supply / exhaust pipe 16 are inserted is provided inside the upper vertical wall 42. Yes. At the front end portion of the vertical wall 42, six hook-shaped fixing portions 45, 45,. Further, four bosses 46, 46,... For fixing the outer cover are provided in contact with the inside of the vertical wall 42, and screw holes c, c,.

  The partition 26 has a front plate 47 and left and right side plates 48, 48, and has a U-shape when viewed from above, and the piping 18 is passed inside the U-shape. A square tube-shaped ventilation opening 51 is provided at the lower part of the front plate 47, and a filter 52 and a shutter (not shown) are provided in the opening 51 to cover the cross section. The structure is designed to catch dust and foreign matter in the outside air that is sucked in and prevent it from entering the interior. The shutter is provided with a plurality of horizontal plates below the filter 52 to protect the inside of the protective cover 22 from rain and dust and to prevent the inside from being damaged by mischief.

  Screw holes 53, 53 corresponding to the screw insertion holes 21, 21 of the outdoor fan case 13B are provided in the upper left and lower right of the front plate 47, and mounting screws are passed through the screw insertion holes 21, 21 to screw holes 51. , 51 can fix the outdoor fan case 13B to the partition 26. The left and right side plates 48, 48 are provided at the rear end with three left and right projections 54, 54,... For attaching to the rear plate 25, and the hook-shaped fixing portions 45, 45,.・ It is engaged to.

  The outer cover 27 has a box shape that opens rearward and downward. Preliminary outlets 61, 62, and 63 are provided at three positions corresponding to the upper and left and right sides of the insertion hole 44 to draw pipes outdoors. Is provided. These preliminary outlets 61, 62, 63 are provided with a substantially U-shaped rib 64 on the inner surface of the outer cover 27 so that they cannot be seen from the outside. A pipe outlet is formed by cutting the inside of the rib 64 using a tool such as a metal saw. The presence of the rib 64 reinforces the periphery of the pipe outlet. The left and right ends of the outer cover 27 are provided with screw holes 65, 65,... For mounting to the rear plate 25, and through the screw holes 65, 65,. The outer cover 27 is fixed to the rear plate 25 by tightening to c.

  In the protective cover 22 configured as described above, attachment of the protective cover when the piping 18 is piped in the right direction of the wall hole will be described.

  First, the air supply / exhaust pipe 16 and the piping 18 are set in a state where they can be pulled out through the wall holes. The supply / exhaust pipe 16 is arranged on the top and the piping 18 is arranged on the bottom, and the insertion hole 35 is inserted. The rear plate 25 is fixed to the wall surface with five mounting screws.

  Next, the piping 18 is extended rightward, and the partition 26 is fixed to the rear plate 25. Next, the blowing portion 15b of the outdoor fan case 13B is connected to the outdoor opening end 17b of the air supply / exhaust pipe 16, and mounting screws are inserted into the screw insertion holes 21 and 21 to fix the outdoor fan case 13B to the partition base 26.

  Next, the inner side of the rib 64 of the preliminary outlet 63 on the right side of the outer cover 27 is cut with a metal saw to make an opening. This opening becomes the right pipe outlet. The piping 18 is inserted into the piping right outlet with the outer cover 27 covered from the front. The outer cover 27 is fixed to the rear plate 25 with mounting screws, and the gap formed between the peripheral portion of the right pipe outlet and the pipes 18 is closed with putty. Thereby, the protective cover 22 is fixed to the wall surface, and the mounting operation of the protective cover 22 is completed.

  Also, when piping the piping 18 from the wall hole to the left in the outdoor direction, the left auxiliary outlet 61 is cut to create a left piping outlet. The outlet 62 is cut to make an upper pipe outlet. In this case, the drain hose 35 may be piped between the rear plate 25 and the partition 26 separately from other pipes.

  Thus, in the air conditioner that includes the ventilator and attaches the protective cover 22 to the outdoor side portion of the ventilator, by providing the protective cover 22 with a plurality of preliminary outlets 61, 62, 63, Since piping 18 can be selected by selecting the direction in which the piping 18 is taken out to the outside, piping can be performed without going around the piping 18 between the indoor unit and the outdoor unit, facilitating piping work and improving the appearance of the wall surface of the building. be able to.

  As mentioned above, although this invention was demonstrated based on the Example, this invention is not limited to this, In the range which does not deviate from a summary, it can deform | transform.

  The protective cover 22 of the present embodiment is provided with a plurality of preliminary outlet portions 61, 62, 63 inside the outer cover 27, and ribs 64 are provided around the preliminary outlet portions 61, 62, 63. Instead of the ribs 64, a recess, a mark, a label, or the like may be displayed. When the recess is provided, the cutting work when making the pipe outlet can be facilitated.

  In this embodiment, the preliminary outlets 61, 62, and 63 are provided in the upper and left and right directions with respect to the insertion hole 44. good.

It is a perspective view of the air conditioner which abbreviate | omitted and showed one part in one Embodiment of this invention. FIG. 2 is a perspective view of the protective cover with the outer cover removed. It is a perspective view of the protective cover which attached and showed the outer cover. It is sectional drawing of piping.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor unit 6 Heat exchanger 9 Drain pan 12 Indoor fan 13B Outdoor fan case 14B Suction port 15b Blowing part 16 Supply / exhaust pipe 17a Indoor side open end 18 Pipings 20 Outdoor fan 22 Protective cover 25 Rear plate 26 Partition 27 Outer cover 31 , 32 Refrigerant piping 35 Drain hose 41 Flange 42 Vertical wall 44 Insertion hole 45 Saddle shaped fixing part 46 Boss 51 Ventilation openings 61, 62, 63 Preliminary outlet part 64 Rib 65 Screw hole c

Claims (4)

In an air conditioner that connects an indoor unit installed indoors and an outdoor unit installed outdoors through a wall hole with a refrigerant pipe,
A ventilator having an outdoor fan for ventilation installed outdoors, a fan case for housing the outdoor fan, and a supply / exhaust passage communicating with the fan case and the interior and exterior of the house through the wall hole, A protective cover that covers the outdoor portion of the ventilator and that passes through the refrigerant pipe is provided. The protective cover is attached to the wall surface of the building, and the outer cover is attached to the rear board and covers the fan case and the refrigerant pipe. The air conditioner is characterized in that the outer cover is provided with a pipe outlet opening downward and provided with a preliminary outlet for taking out the refrigerant pipe.   The air conditioner according to claim 1, wherein the preliminary outlet portion is provided at a plurality of locations of the outer cover.   3. The air conditioner according to claim 1, wherein a rib is provided in the preliminary outlet portion inside the outer cover and along the periphery of the preliminary outlet portion. The air conditioner according to claim 1 or 2, wherein a concave portion is provided in the preliminary outlet portion inside the outer cover and along the periphery of the preliminary outlet portion.

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