JP2006275455A - Air conditioning equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an air conditioning equipment for eliminating work for installing a duct by installing an outside air treating air-conditioner on the wall of a building partitioning an indoor side from an outdoor side. <P>SOLUTION: The air conditioning equipment comprises a heat source device having a heat source side heat exchanger in a refrigerant circuit, and the outside air treating air-conditioner 22 having a service side heat exchanger 3 in the refrigerant circuit and a blower 4 for giving air conditioning treatment to outside air to be blown to the indoor side 7. The wall 8 partitioning the indoor side 7 from the outdoor side 6 has an orifice 12. An air inlet is formed at one end of a body shell to open to the outdoor side, and an air outlet is formed in the other end to open to the indoor side 7. The air outlet 13 is connected to the orifice 12 of the wall 8. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an air conditioner in which a main body outline of an outside air processing air conditioner of a refrigerant circuit is attached to a wall separating an indoor and an outdoor.

An outside air processing air conditioner in a conventional air conditioner is generally installed indoors, and a ceiling-embedded type or a floor-standing type is often used. Because it is installed indoors, it is installed at a position close to the air-conditioned space, and either a ceiling-embedded type or a floor-standing type is selected according to the required outside air processing capacity. From the outside to the outside air-treated air conditioner is connected by a heat-insulated duct, and from the outside-air treated air conditioner to the air-conditioned space by a heat-insulated duct. Moreover, the outdoor installation type outside air processing air conditioner is installed on the roof of a building, a large-sized one having the outside air processing capability of the entire building is selected, and the processing air is introduced indoors through a large duct. Further, Patent Document 1 below describes a floor-standing type outside air processing air conditioner that introduces outside air.

Japanese Patent Laid-Open No. 7-225034

  Since the indoor-installed outdoor air processing air conditioner is installed inside a building, it is necessary to provide ducts on both the side for sucking outside air and the side for blowing out air after heat exchange. Therefore, it is necessary to secure a duct space, and duct installation work is required on the ceiling, so that workability is poor and construction costs are also required. Also, in the case of outdoor installation type outdoor air conditioning air conditioners, since they are often installed on the roof, the indoor ducts are long, or large ducts are used to treat the entire building in a batch. is required.

  The present invention has been made to solve the above-described problems, and an air-conditioning apparatus that eliminates the need for duct installation work by installing an outside-air processing air conditioner on a wall that separates the indoor and outdoor buildings is obtained. For the purpose.

  The air conditioner of the present invention is made to solve the above-described problem, and includes a heat source unit having a heat source side heat exchanger of a refrigerant circuit, a use side heat exchanger and a blower of the refrigerant circuit, and In an air conditioner comprising an outside air processing air conditioner that air-conditions and blows air indoors, an air suction port that opens to the outside on one end side of the main body shell is provided with an opening in a wall that separates the room and the outside Is formed, an air outlet opening in the room is formed on the other end side, and an air outlet or an air inlet is connected to the opening of the wall.

  Moreover, in the said structure, it is comprised so that switching of the output of an air blower is possible.

  In each of the above-described configurations, a drain pan is installed below the use-side heat exchanger, a drain pipe is connected to the drain pan, and a valve that opens by the weight of water is provided in the drain pipe.

  Further, in each of the above-described configurations, the refrigerant pipe connection part that connects the refrigerant pipe of the use side heat exchanger and the external refrigerant pipe, and the drain pipe from the drain pan installed below the use side heat exchanger and the outside A drain pipe connecting portion for connecting the drain pipe is provided in the outer shell of the outside air processing air conditioner.

  Moreover, in each above-mentioned structure, the air blower is fixed to the main body installation surface of the outside air processing air conditioner attached to the wall which separates the room and the outdoors.

Since the present invention is configured as described above, after taking outside air into the outer body of the outside air treatment air conditioner attached to the wall separating the indoor and outdoor of the building, heat exchange with the use side heat exchanger, By blowing out into the room, it is not necessary to provide ducts on both the side for sucking outside air and the side for blowing out air after heat exchange as in the prior art when installed on the ceiling of the room. Therefore, it is not necessary to secure a duct space, and it is not necessary to install a duct on the ceiling, so that workability is improved and construction costs can be reduced. Also, in the case of outdoor type air conditioner outdoor installation type, it is often installed on the roof, so the indoor duct is long, or the entire building is collectively treated with outside air. However, according to the present invention, such a large and long duct becomes unnecessary.

In addition, when the output of the blower can be switched, the output according to the external static pressure can be selected by setting the output in advance according to the installation environment when installing the outside air processing air conditioner.

If the drain pipe is equipped with a valve that opens with the weight of water, the valve opens due to the weight of the water flowing through the drain pipe, and the drain flows out of the machine, and is then attached to the valve. For example, since the valve is closed by a spring or the like, it is possible to prevent rainwater, insects and unnecessary outside air from entering through the drain pipe.

In addition, when the refrigerant pipe connection part and the drain pipe connection part are provided inside the main body of the outside air processing air conditioner, each pipe connection part is not exposed to wind and rain or sunlight, so that deterioration and breakage can be prevented. .

In addition, when a blower is fixed to the main body installation surface of an outside air processing air conditioner that is attached to a wall that separates the room and the outside, a heavy and vibrated blower will be installed in contact with the wall, so Can reduce the load.

Embodiments of the present invention will be described below.
FIG. 1 shows an installation form of an example of an air conditioner according to the present invention. A heat source unit 21 having a heat source side heat exchanger 24 of a refrigerant circuit is installed on the roof of the building 20, and one or more outside air processing air conditioners 22 installed on each floor and the heat source unit 21 are connected by a refrigerant pipe 23. The The outside air processing air conditioner 22 is installed on the wall 8 that separates the outside of the building 20 from the room.

Next, the internal structure of the outside air processing air conditioner 22 will be described with reference to FIG.
The outside air processing air conditioner 22 has a use side heat exchanger 3 and a blower 4 of the refrigerant circuit, air-conditions the outside air, and blows the air into the room 7. The outside air processing air conditioner 22 casing in the main body outer shell 1 takes the air of the outdoor 6 into the main body outer shell 1 as in the suction direction 9 and removes dust with the air filter 2 located at the lower part of the main body outer shell 1. The air from which the dust has been removed is heat-exchanged by the use side heat exchanger 3, cooled and dehumidified during cooling, and heated during heating. The heat-exchanged air is blown out into the room 7 through the blower 4 in the blowing direction 10.

An air inlet 14 that opens to the outdoor 6 is formed at the bottom (one end side) of the main body shell 1, and an air outlet 13 that opens to the room 7 is formed at the upper back surface (the other end). An opening 12 is provided in the wall 8 that separates the outdoor 6 and the room 7. Since the air outlet 13 is connected to the opening 12 of the wall 8, the air after the air conditioning is blown into the room 7. Further, an outside air processing air conditioner may be attached to the room 7 side of the wall 8 and the air suction port 14 may be connected to the opening 12 of the wall 8.

Thereby, it is not necessary to provide ducts on both the side for sucking outside air and the side for blowing out air after heat exchange as in the prior art installed on the indoor ceiling. Therefore, it is not necessary to secure a duct space, and the installation work of the duct at the ceiling is not required, so that workability is improved and construction costs can be reduced. In addition, when the outside air processing air conditioner is an outdoor installation type, a large duct is necessary because it is often installed on the roof, but according to the present invention, such a large and long duct becomes unnecessary.

The upper surface 17 of the main body outer shell 1 is configured to be inclined so that the main body installation surface 18 side (rear side) is the highest and the front side facing the main body installation surface 18 is the lowest, preventing rainwater from accumulating on the upper surface 17. To do.

The air flow is generated by the power of the blower 4, and the output of the blower 4 is selected in advance according to the external static pressure of the installation environment when the outside air processing air conditioner 22 is installed in advance. As shown in FIG. 3, the output is selected by switching the tap 57 of the electric motor 51, and the tap is switched by exchanging the connectors 54, 55, and 56 (see Table 1 below). In the figure, 52 indicates a motor drive relay, and 53 indicates a motor power supply.

Selection of the output according to the static pressure outside the machine is made on site, taking into account the length of the duct. In the case of direct blowing without using a duct, a blue connector 56 for low static pressure is selected.

As shown in FIG. 4, the outside air processing air conditioner 22 and the wall 8 separating the indoor 7 and the outside 6 are fixed via the main body installation surface 18 of the outside air processing air conditioner 22 with at least six installation bolts 11. The sealing material 15 for airtightness and watertightness is installed around the air outlet 13 without any gap.

In addition, as shown in FIG. 5, when the blowing air is introduced into the room 7 by a duct, the blowing duct flange 16 is installed at the air outlet 13.

  As shown in FIG. 6, the electrical component box 31 is installed in the main body outer shell 1, and its position is installed in the vicinity of the main body outer cover 19 so that it can be easily maintained by removing the main body outer cover 19. In the figure, 34 is a side partition plate, 35 is an on-site electrical connection, and 37 is a filter partition plate.

A drain pan 5 is installed below the use side heat exchanger 3, and a drain pipe 33 is connected to the drain pan 5. As shown in FIG. 7, the drain pipe 33 on the downstream side of the trap 41 is provided with a valve 42 that opens by the weight of water. The valve 42 is opened by the weight of the water flowing through the drain pipe 33 and the drain flows out of the main body outer shell 1, and then the valve 42 is closed by the spring 43 attached to the valve 42. It is possible to prevent rainwater, insects and unnecessary outside air from entering through the pipe 33.

By removing the main body outer cover 19, connection work and maintenance of the refrigerant pipe 38 and the drain pipe 33 can be performed. Similarly, the blower maintenance cover 36 can be removed from the side partition plate 34 to perform maintenance of the blower 4 and the electric motor 51.

The electrical component box 31 is located in the outer shell 1 of the outside air processing air conditioner 22 and is installed at a position where maintenance can be performed from the lower portion of the main body by removing the air filter 2 at the lower portion of the main body. Similarly, by removing the air filter 2, maintenance of the blower 4 and the electric motor 51 can be performed.

A refrigerant pipe connecting portion 59 for connecting the refrigerant pipe 38 of the use side heat exchanger 3 and the external refrigerant pipe 38, and a drain pipe 33 from the drain pan 5 installed below the use side heat exchanger 3 and the external pipe A drain pipe connecting portion 58 for connecting the drain pipe 33 is provided in the main body shell 1 of the outside air processing air conditioner 22. In this case, the pipe connection portions 59 and 58 are not exposed to wind and rain or sunlight, so that deterioration and breakage can be prevented.

The blower 4 is fixed to the main body installation surface 18 of the outside air processing air conditioner 22 attached to the wall 8 separating the indoor 7 and the outdoor 6. In this case, since the air blower 4 that is heavy and vibrates is provided in contact with the wall 8, the load on the wall surface of the building 20 can be reduced.

In addition, about the internal structure of the external air processing air conditioner 22, as shown in FIG. 8, the arrangement | positioning of the utilization side heat exchanger 3 and the air blower 4 may be upside down compared with the above-mentioned thing. In this case, the inside of the main body outer shell 1 is divided into upper and lower sections by a partition plate 61, and the blower 4 is attached through the partition plate 61. That is, air in the outdoor 6 is taken into the main body outer shell 1 as in the suction direction 9 and dust is removed by the air filter 2. The air from which the dust has been removed is sent to the use-side heat exchanger 3 through the blower 4 and is heat-exchanged by the use-side heat exchanger 3, cooled and dehumidified during cooling, and heated during heating. The heat-exchanged air is blown out into the room 7 in the blowing direction 10.

It is an installation outline figure of an air harmony device concerning an embodiment of the invention. It is a side lineblock diagram of the outside air processing air harmony machine in an embodiment of the invention. It is a circuit diagram of the electric motor in the embodiment of the present invention. It is a perspective view of the outside air processing air conditioner in an embodiment of the invention. It is a perspective view of the outside air processing air conditioner in other embodiments of the present invention. It is an internal structure figure of the external air processing air conditioner in embodiment of this invention. It is a structural diagram of the drain piping in the embodiment of the present invention. It is a side block diagram of the external air processing air conditioner in another embodiment of this invention. It is a perspective view of the outside air processing air conditioner in another embodiment of this invention. It is an internal structure figure of the external air processing air conditioner in other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Body outline, 3 Use side heat exchanger, 4 Air blower, 5 Drain pan, 6 Outdoors, 7 Indoors, 8 Wall, 12 Opening part, 13 Air outlet, 14 Air inlet, 15 Seal material, 18 Main body installation surface, 21 Heat source machine, 22 Outside air processing air conditioner, 23 Refrigerant pipe, 24 Heat source side heat exchanger, 33 Drain pipe, 38 Refrigerant pipe, 42 Valve, 51 Electric motor, 54 High static pressure relay connector (red), 55 Medium static pressure relay Connector (white), 56 Low static pressure relay connector (blue), 57 tap, 58 drain piping connection, 59 refrigerant piping connection.

Claims (5)

A heat source device having a heat source side heat exchanger of the refrigerant circuit, and a use side heat exchanger and a blower of the refrigerant circuit, and an outside air processing air conditioner that air-conditions the outside air and blows it into the room. In the air conditioner, an opening is provided in a wall that separates the room and the outside, a main body outline of the outside air processing air conditioner is attached to the wall, and an air suction opening that opens outdoors is formed on one end side of the main body outline. An air conditioner characterized in that an air outlet opening in the room is formed on the other end side, and the air outlet or the air inlet is connected to the opening of the wall. The air conditioner according to claim 1, wherein the output of the blower is switchable. A drain pan is installed below the use side heat exchanger, a drain pipe is connected to the drain pan, and a valve that opens by the weight of water is provided in the drain pipe. The air conditioning apparatus described. Connecting a refrigerant pipe connecting portion connecting the refrigerant pipe of the use side heat exchanger and an external refrigerant pipe, and connecting a drain pipe from a drain pan installed below the use side heat exchanger and an external drain pipe The air conditioner according to any one of claims 1 to 3, wherein the drain pipe connection portion is provided in a main body outline of the outside air processing air conditioner. The air conditioner according to any one of claims 1 to 4, wherein a blower is fixed to a main body installation surface of an outside air processing air conditioner that is attached to a wall that separates the room and the outdoors.

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