JPH07324779A - Outdoor unit of air conditioner - Google Patents

Abstract

PURPOSE:To assuredly prevent rain water or the like entering from the air outlet of a burner unit from falling on the main body of the burner unit by providing in a heating outdoor machine chamber a trough member for guiding the water entering from the air outlet of burner unit to the external part of the heating outdoor machine chamber. CONSTITUTION:A main burner unit 28 is provided with a trough member 31 extending downward from the lower end of an air outlet part 30. The trough member 31 is formed by bending a sheet metal having the dimension of width H of the air outlet part 30. A sheet surface 31a covering one side surface of the main burner unit 28 is formed in an irregular shape because of a pipe 28a for a pipeline disposed in the periphery of the main burner unit 28. The lower end part of the trough member 31 is bent in a substantially U shape to form a trough groove 33, so that water flowing down through the sheet surface 31a reaches the lower surface of the trough member 31 and is guided. Thus, the rain water or the like entering from the air outlet 30 of the burner unit is guided to the external part of a heating outdoor machine through the trough groove 33.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of a separation type air conditioner in which an indoor unit and an outdoor unit are separated from each other, and in particular, a heating circuit for heating a heat medium by a refrigerant circuit and a combustion burner is provided. The present invention relates to an outdoor unit of an air conditioner.

[0002]

2. Description of the Related Art A separation type air conditioner is known in which a heating circuit is provided in addition to a refrigerant circuit in order to enhance heating capacity.

In the outdoor unit of such an air conditioner, an outdoor unit for a heating circuit is integrally housed in addition to an outdoor unit for a refrigerant circuit.

The outdoor unit for heating is equipped with a burner unit and the hot water is heated by the burner. Therefore, the burner unit has an exhaust port for discharging the combustion air in the combustion chamber.However, such an exhaust port is normally open to the outside from the outdoor unit, and rainwater and the like enter from this exhaust port. It may happen.

When such rainwater or the like hits the burner unit body below the exhaust port, the burner unit body may be partially cooled by the rainwater and may be broken or cracked. .

Therefore, in the conventional outdoor unit of this type, as shown in FIG. 3, a skirt-shaped guide member 85 is arranged above the burner unit main body 81 and below the exhaust port 83 to guide the guide. The lower end 85a of the member is connected to the housing 8 of the outdoor unit.
The outer surface of the burner unit 7 is brought into contact with the inner surface of the air conditioner 7, and the water that has entered through the exhaust port 83 is caused to flow along the inner surface of the housing 87 of the outdoor unit so that the burner unit is not exposed to rainwater.

[0007]

However, in the guide member 85 having a skirt shape, the guide member is deteriorated and the tip portion thereof easily hangs down, and the lower end 85a thereof is separated from the inner surface of the housing 87, and is guided. The sprayed water does not reach the casing 87 and falls down as it is.
However, there is a problem in that it will be applied to 1 or will affect other devices in the outdoor unit for heating.

As described above, if the burner unit is exposed to water, the burner unit main body may be damaged or other equipment may be exposed to water.

Therefore, the present invention provides an outdoor unit of an air conditioner capable of reliably preventing rainwater or the like entering from the exhaust port of the burner unit from splashing on the main body of the burner unit.

[0010]

In order to solve the above-mentioned problems, the first aspect of the present invention is to provide a cooling outdoor unit room in which a cooling outdoor unit is arranged and a heating outdoor unit room in which a heating outdoor unit is arranged. In the outdoor unit of the air conditioner integrally housed via the isolation wall, in the heating outdoor unit room, water that has entered from the exhaust port of the burner unit is transferred to the outside of the heating outdoor unit room. It is provided with a gutter member for guiding.

According to a second aspect of the present invention, an air in which a cooling outdoor unit room in which a cooling outdoor unit is placed and a heating outdoor unit room in which a heating outdoor unit is placed are integrally stored via a partition wall. In the outdoor unit of a harmony machine, in the heating outdoor unit room, a gutter that guides water that has entered from the exhaust port to the exhaust port side of the burner unit to the outdoor unit room for cooling through the isolation wall. It is provided with a member.

According to a third aspect of the present invention, an air in which a cooling outdoor unit room in which a cooling outdoor unit is placed and a heating outdoor unit room in which a heating outdoor unit is placed are integrally stored via a partition wall. In the outdoor unit of a harmony machine, in the heating outdoor unit room, water that has entered from the exhaust port to the exhaust port side of the burner unit is provided in the cooling outdoor unit chamber through the isolation wall. There is a gutter member that leads to the peripheral portion of the fan, and this gutter member is inclined so as to face downward toward the outdoor unit room for cooling.

[0013]

In the outdoor unit of the air conditioner according to the first aspect of the present invention, rainwater or the like that has entered through the exhaust port of the burner unit is
Since the gutter member is guided to the outside of the heating outdoor unit, even if the gutter member is slightly deformed, the burner unit and other devices in the heating outdoor unit are reliably prevented from falling. Therefore, rainwater or the like that has entered from the exhaust port of the burner unit is reliably prevented from splashing on the main body of the burner unit.

In the outdoor unit for an air conditioner according to the second aspect of the present invention, since the gutter member is guided to the adjacent outdoor unit for cooling through the partition wall, the gutter member is only extended to the outdoor unit for cooling. It can be a simple configuration.

In the outdoor unit for an air conditioner according to the third aspect of the present invention, since the gutter member guides the outdoor unit room for cooling through the partition wall and guides it to the peripheral portion of the fan, the introduced rainwater and the like. Does not affect other devices even in the outdoor unit for cooling. Moreover, since the gutter member is inclined toward the cooling outdoor unit side, rainwater and the like can be reliably guided to the outside of the heating outdoor unit chamber with a simple configuration.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The air conditioner according to the present embodiment is an air conditioner capable of cooling operation and heating operation, which circulates the refrigerant in the refrigerant circuit during the cooling operation, and is different from the refrigerant circuit during the heating operation. The hot water is circulated in the hot water circuit.

As shown in FIG. 2, the outdoor unit 5 includes
The outdoor unit of the refrigerant circuit and the outdoor unit of the hot water circuit are integrally housed in the case 8, and the outdoor unit room 4 for cooling is formed on the left side of FIG. An outdoor unit room 6 for heating is formed on the right side.

An outdoor heat exchanger 9 of a refrigerant circuit and a propeller fan 11 for blowing outdoor air to the heat exchanger are arranged in the outdoor unit room 4 for cooling, and a fan guard 17 is provided in a housing 8. Has been formed. Further, on the propeller fan 11, a heating board 12 and a cooling board 14 on which various electric components are arranged are housed.

In the heating outdoor unit room 6, a burner unit 21 for heating a heat medium, a circulation pump 23 for circulating hot water as a heat medium, and a hot water pipe connected to a hot water circuit on the indoor unit side to supply hot water 24, an air supply fan 25 for supplying air for combustion of the burner unit 21, and an air supply fan motor 26 are arranged.

The burner unit 21 has a hot water heat exchanger for turning water as a heat medium into hot water, and a burner unit main body 28 for burning gas by the gas burner 27.
And a gas governor 29, and an exhaust unit 30 for exhausting the gas after combustion is provided above the gas governor 29.

The exhaust part 30 is formed with exhaust ports 30a and 30b which are open toward the outside of the housing 8 so that exhaust gas generated by combustion in the burner unit main body 28 is discharged.

The burner unit main body 28 has an exhaust port 3
A gutter member 31 extending downward from the lower end of 0 is provided so that rainwater or the like that has entered from the exhaust ports 30a and 30b does not splash on the burner unit 28.

As shown in FIG. 1, the gutter member 31 is formed by bending a sheet of metal having the width dimension H of the exhaust port portion 30, and the plate surface 31 a is one side surface of the burner unit body 28. Cover the burner unit body 28
It is formed to be uneven due to the relationship of the piping pipe 28a arranged around the.

The lower end of the gutter member 31 is bent into a substantially U-shape to form a gutter groove 33. The gutter groove 33 is formed by connecting the water to the lower end of the member 31 which has flowed down along the gutter plate surface. Is supposed to guide you.

One end of the gutter groove 33 penetrates a hole 35 formed in the partition wall 10 and extends to a peripheral portion 36 (see FIG. 2) of the propeller fan 11 in the outdoor unit room 4 for cooling. . That is, the water guided to the gutter member 31 is guided to the cooling outdoor unit chamber 4 outside the heating outdoor unit chamber 6 through the gutter groove 33 and is dropped there.

Therefore, the exhaust port portion 3 of the burner unit 21
Since the rainwater and the like that have entered from 0 are transmitted to the outside of the outdoor unit for heating through the gutter member 31, the gutter member 3 as in the conventional case.
Even if some deformation occurs in 1, the drop in the outdoor unit room 6 for heating is reliably prevented.

In the heating outdoor unit room 6, as shown in FIG. 2, a terminal plate 51, a pressure tank 53,
A drain port 55, a thermal fuse 57, and a refrigerant pipe 59 for supplying a refrigerant to the refrigerant circuit are provided.

Next, the operation of this embodiment will be described.

In the outdoor unit 5, during the heating operation, the burner unit 21 heats hot water as a heat medium and circulates it in the heating circuit.

In such hot water circulation, the burner unit main body 28 heats the heat exchanger by gas combustion to heat the heat medium. In this burner unit, exhaust gas is discharged from the exhaust ports 30a and 30b in accordance with the combustion of the burner, and the 29 burner unit main body 28 becomes hot.

On the other hand, when the outdoor weather where the outdoor unit 5 is placed is rain or snow, particularly when it is heavy rain or snow, rainwater may enter from the exhaust ports 30a and 30b. In this case, rainwater or the like that has entered from the exhaust ports 30a and 30b tends to flow down to the burner unit main body 28 located therebelow.

However, rainwater, etc., will not contact the plate surface 31 of the gutter member 31.
The gutter groove 3 formed on the lower end of the gutter groove 3 guided by a.
Collected to 3. Since the gutter groove 33 is inclined on the side of the cooling outdoor unit chamber 4, it flows to the cooling outdoor unit chamber 4 along the inclination and falls to the peripheral portion of the propeller fan 11.

Therefore, even if the gutter member is slightly deformed by the heat of the burner unit or the like, the gutter groove reliably guides rainwater and the like to the peripheral portion of the propeller fan 11 in the outdoor unit room for cooling. Even if the gutter member is slightly deformed, rainwater and the like are reliably prevented from falling into the outdoor unit for heating.
Therefore, it is possible to reliably prevent rainwater or the like that has entered from the exhaust port of the burner unit from splashing on the burner unit main body 28 and other devices in the heating outdoor unit.

The present invention is not limited to the above-described embodiments, but can be variously modified without departing from the spirit of the present invention.

For example, the gutter member 31 has a plate surface 31a extending over one side surface of the burner unit main body 28, but the invention is not limited to this, and the plate surface 31a may be provided below the exhaust ports 30a and 30b. The same effect can be obtained even if the gutter groove 33 is directly provided without the structure. In this case, the gutter member can be further reduced in weight and size.

Further, the gutter member is not limited to guiding rainwater and the like to the outdoor unit room 4 for cooling, but the same effect can be obtained even if it is guided to the outside of the outdoor unit main body 5 via the housing 8. be able to.

[0038]

In the outdoor unit for an air conditioner according to the first aspect of the present invention, rainwater or the like that has entered from the exhaust port of the burner unit is guided through the gutter member to the outside of the outdoor unit for heating. Even if the gutter member is slightly deformed, it can be reliably prevented from falling into the outdoor unit for heating. Therefore, it is possible to reliably prevent rainwater or the like that has entered from the exhaust port of the burner unit from splashing on the main body of the burner unit and other devices.

In the outdoor unit for an air conditioner according to the second aspect of the present invention, since the gutter member is guided to the adjacent outdoor unit room for cooling through the partition wall, the structure of the gutter member can be simplified. .

In the outdoor unit for an air conditioner according to the third aspect of the present invention, the gutter member has a simple structure because it is guided to the cooling outdoor unit room through the partition wall and is guided to the fan peripheral portion. Rainwater and the like that have entered through the exhaust port can be guided most easily to the outside of the outdoor unit for heating, and rainwater and the like will not affect other devices even in the outdoor unit for cooling. Moreover, since the gutter member is inclined toward the cooling outdoor unit side, rainwater and the like can be reliably guided to the outside of the heating outdoor unit chamber with a simple configuration.

[Brief description of drawings]

FIG. 1 is a perspective view of a gutter member arranged in an outdoor unit according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a part of the outdoor unit according to the embodiment of the present invention by cutting it.

FIG. 3 is a perspective view of a guide member arranged in a conventional outdoor unit.

[Explanation of symbols]

 5 Indoor unit 4 Outdoor unit room for cooling 6 Outdoor unit room for heating 10 Partition wall 28 Burner units 30a, 30b Exhaust port 31 Gutter member

Claims (3)

[Claims] 1. An outdoor unit of an air conditioner in which a cooling outdoor unit room in which a cooling outdoor unit is placed and a heating outdoor unit room in which a heating outdoor unit is placed are integrally housed via a partition wall. The outdoor unit for an air conditioner according to claim 1, wherein the heating outdoor unit chamber is provided with a gutter member for guiding water that has entered from the exhaust port of the burner unit to the outside of the heating outdoor unit chamber. 2. An outdoor unit of an air conditioner in which a cooling outdoor unit room in which a cooling outdoor unit is placed and a heating outdoor unit room in which a heating outdoor unit is placed are integrally housed via a partition wall. In the heating outdoor unit room, a gutter member is provided on the exhaust port side of the burner unit for guiding water that has entered from the exhaust port to the cooling outdoor unit room side through the isolation wall. The outdoor unit of the characteristic air conditioner. 3. An outdoor unit of an air conditioner in which a cooling outdoor unit room in which a cooling outdoor unit is placed and a heating outdoor unit room in which a heating outdoor unit is placed are integrally housed via a partition wall. In the heating outdoor unit room, on the exhaust port side of the burner unit, water that has entered from the exhaust port penetrates the isolation wall to the peripheral portion of the fan provided in the cooling outdoor unit room. An outdoor unit for an air conditioner, comprising: a gutter member for guiding the gutter member, and the gutter member is inclined downward toward the outdoor unit room for cooling.