JPH0727369A - Outdoor machine for air conditioner - Google Patents

Abstract

PURPOSE:To improve the appearance of the title air conditioner without providing an opening for a fan in a front panel of an outdoor machine of an air conditioner and to inhibit blowing the air against a person who passes before the outdoor unit. CONSTITUTION:An outdoor machine for an air conditioner comprises an air heat exchanger 6 and a blower in a housing (outdoor machine body 1), wherein a sirocco fan 13 is used as the blower, an air suction port is provided at least on the side of back surface of the housing, an air diffuser is provided at any of right side, a left side, both and left sides and an upper surface of the housing, and an opening for a fan 13 of a front face of the housing 1 is omitted thereby to improve its appearance and to inhibit blowing the air against a person who passes before the outdoor unit 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner such as a package type air conditioner or a room air conditioner.

[0002]

2. Description of the Related Art FIG. 5 is a structural view of an outdoor unit of a conventional separation type air conditioner. In FIG. 5, 1 is an outdoor unit body forming a casing, 2 is a front panel, 3 is a bell mouth, 4 is a propeller fan 5, a fan motor is a 6, an air heat exchanger is a compressor, 7 is a compressor, 8 is an upper drain pan, 9 is a lower drain pan, 10 is a machine room, 11 is an air room, 12 is a motor bracket, 16
Is an opening.

Inside the outdoor unit body 1, a propeller fan 4, a fan motor 5, an air heat exchanger 6 and a compressor 7 are arranged. The outdoor unit body 1 is separated by an upper drain pan 8 into a machine chamber 10 for accommodating the compressor 7 and an air chamber 11, and the compressor 7 is arranged on the lower drain pan 9.

An air heat exchanger 6 and a propeller fan 4 are arranged in the air chamber 11, and the propeller fan 4 is connected to a fan motor 5. The fan motor 5 is fixed to the outdoor unit body by a motor bracket 12.
The front panel 2 is provided with a circular opening 16 and a bell mouth 3.

In the outdoor unit of this conventional separation type air conditioner, the refrigerant compressed by the compressor 7 is sent to the air heat exchanger 6 through a refrigerant pipe (not shown). The propeller fan 4 driven by the fan motor 5 rotates, sucks air from the side or rear of the outdoor unit body 1, and exchanges heat with the air heat exchanger 6. The air is sent forward through the opening 16. During cooling, the refrigerant in the air heat exchanger 6 condenses. Further, during heating, the flow of the refrigerant is opposite to that during cooling, and the refrigerant in the air heat exchanger 6 exchanges heat with the blown air and evaporates.

[0006]

A large opening 16 can be seen from the front in the front panel 2 of the outdoor unit main body 1 of the conventional separation type air conditioner, and the propeller fan 4 can be seen and the appearance is unsatisfactory. There is a feeling of strangeness with the building where the machine is installed.

The present invention is intended to provide an outdoor unit of an air conditioner capable of solving the above problems.

[0008]

According to the present invention, in an outdoor unit of an air conditioner having a heat exchanger and a blower provided in a casing, the blower is a sirocco fan, and its air suction port is provided in the casing. It is characterized in that an air outlet is provided at least on the back surface side on any one of the right side surface, the left side surface, the left and right side surfaces, and the upper surface of the housing.

[0009]

In the present invention, the sirocco fan causes air to flow from the air suction port into the housing, and the air is supplied to the right side surface, the left side surface, the left and right side surfaces of the upper housing which has been heat-exchanged by the heat exchanger.
The air is discharged laterally or upward from an outlet provided on either of the upper surfaces. Therefore, the air blown from the housing of the outdoor unit is not directly blown to the person who passes by in front of the outdoor unit. Further, since there is no opening for the fan on the front surface of the housing of the outdoor unit, the appearance is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIG. 1 is an outdoor unit body forming a casing, 2 is a front panel, 5
Is a fan motor, 6 is an air heat exchanger, 7 is a compressor, 8 is an upper drain pan, 9 is a lower drain pan, 10 is a machine room,
Reference numeral 11 is an air chamber, 13 is a sirocco fan, 14 is a fan casing, 15 is a motor shaft of the fan motor 5, and 20 is a fan deck.

In this embodiment, inside the outdoor unit main body 1,
An upper air chamber 11 that houses the sirocco fan 13, the fan deck 20, the motor 5, and the air heat exchanger 6, and a lower machine chamber 10 that houses the compressor 7 are provided. The upper drain pan 8 separates the air chamber 11 and the machine chamber 10, and the compressor 7 in the machine chamber 10 is disposed on the lower drain pan 9.

In the air chamber 11, there is an air heat exchanger 6,
The fan deck 20 is vertically arranged at an end portion of the air chamber 11 on the right side in FIG. 1, and two fan casings 14 are vertically spaced apart from each other on the air chamber 11 side surface of the fan deck 20. Are attached, and the sirocco fan 13 is housed in each fan casing 14. A fan motor 5 is attached to the outdoor unit main body 1 between the upper air heat exchanger 6 and the fan deck 20 in the air chamber 11, and the vertical shaft 15 of the fan motor has two fans. The two sirocco fans 13 housed in the casing 14 are driven.

As described above, the fan deck 20 arranged at the right end of the air chamber 11 in FIG. 1 is provided with an air outlet for blowing air to the right. Further, since the front panel 2 of the outdoor unit body 1 is not provided with the opening 16 in the conventional device shown in FIG. 5,
An air inlet is provided on the rear surface of the outdoor unit body 1 and the left side surface in FIG.

In the present embodiment configured as described above, the refrigerant compressed by the compressor 7 is sent to the air heat exchanger 6 through a refrigerant pipe (not shown). The sirocco fans 13 and 13 driven by the fan motor 5 rotate to suck air from the left side surface and the back surface of the outdoor unit body 1, and the sucked air exchanges heat with the refrigerant in the air heat exchanger 6. The air that has undergone heat exchange is supplied to the fan casing 14 as shown by the arrow.
Flows into the sirocco fan 13 from above and below and is sent to the right side of the outdoor unit main body 1 from the outlet of the fan deck 20.

During cooling, the refrigerant in the air heat exchanger 6 condenses. Further, during heating, the flow of the refrigerant is opposite to that during cooling, and the refrigerant in the air heat exchanger 6 exchanges heat with the blown air and evaporates.

As described above, in this embodiment, there is no fan opening on the front surface of the outdoor unit main body 1, so that the appearance can be improved. Further, since the air is blown out to the side of the outdoor unit body, the wind is not directly blown to the person who passes by in front of the outdoor unit.

A second embodiment of the present invention will be described with reference to FIG. This embodiment differs from the first embodiment shown in FIG. 1 in that the air heat exchanger 6, the fan motor 5, the sirocco fan 13, the fan casing 14 and the fan deck 20 are arranged in the left-right direction, and the fan deck 20 The air is blown out to the left from the outlet.

Also in this embodiment, the same operation and effect as those of the first embodiment can be obtained.

A third embodiment of the present invention will be described with reference to FIG. In this embodiment, the air heat exchanger 6 is connected to the outdoor unit body 1
The air chamber 1 is arranged substantially at the center of the inside of the air chamber 11.
Two fan panels 20, 20 that blow out air to the left and right sides are provided at both left and right ends of 1, respectively, and each fan panel 20 has the same structure as the first and second embodiments.
The individual sirocco fans 13, 13 are fan casings 14
It is attached through. Further, an air suction port is provided only on the back surface of the outdoor unit main body 1.

In this embodiment, as shown by the arrow, when the sirocco fan 13 is driven, air is sucked from the air suction port on the back surface of the outdoor unit body 1, and the refrigerant and heat are absorbed in the air heat exchanger 6. After replacement, the fan casing 14,
The air is blown from the outlets of the fan panels 20, 20 through the sirocco fan 13 toward the left side and the right side of the outdoor unit body 1. Therefore, the same action and effect as those of the first and second embodiments can be obtained.

A fourth embodiment of the present invention will be described with reference to FIG. In the present embodiment, the fan deck 20 provided with the air outlet is arranged horizontally above the air chamber 11 and in front of the air heat exchanger 6, and the fan deck 20 is arranged in the horizontal direction of the fan motor 15. 2 driven by shaft 15
1 sirocco fan 13, 13, fan casing 1
It is attached via 4, 14. Further, air inlets are provided on the back surface and the left and right side surfaces of the outdoor unit body 1.

In the present embodiment, as shown by the arrow, the air that is sucked into the air heat exchanger 6 from the suction ports on the rear and right side surfaces of the outdoor unit main body 1 by the driving of the sirocco fan 13 to perform heat exchange is The air is blown upward from the air outlet of the fan deck 20, and the same operation and effect as those of the first to third embodiments can be obtained, but in addition to this, the sirocco fan 13 and the air heat exchanger 6 are additionally provided. The installation space can be reduced by arranging the front and rear.

[0023]

According to the present invention, there is no opening for a fan on the front surface of the housing of the outdoor unit, and the appearance can be improved.

Further, the air that has entered the housing by the sirocco fan and has undergone heat exchange in the heat exchanger is blown out toward the side or the upper side of the housing and is not blown out forward, so it passes through in front of the outdoor unit. Do not blow air directly to the person who does.

[Brief description of drawings]

FIG. 1 is a structural diagram of an outdoor unit of an air conditioner according to a first embodiment of the present invention.

FIG. 2 is a structural diagram of an outdoor unit of an air conditioner according to a second embodiment of the present invention.

FIG. 3 is a structural diagram of an outdoor unit of an air conditioner according to a third embodiment of the present invention.

FIG. 4 is a structural diagram of an outdoor unit of an air conditioner according to a fourth embodiment of the present invention.

FIG. 5 is a structural diagram of an outdoor unit of a conventional air conditioner.

[Explanation of symbols]

 1 Outdoor Unit Main Body 2 Front Panel 5 Fan Motor 6 Air Heat Exchanger 7 Compressor 10 Machine Room 11 Air Chamber 13 Sirocco Fan 14 Fan Casing 15 Fan Motor Shaft 20 Fan Deck

Claims (1)

[Claims] 1. An outdoor unit of an air conditioner comprising a heat exchanger and a blower inside a casing, wherein the blower is a sirocco fan, and its air suction port is at least on the back side of the casing and an air outlet. An outdoor unit for an air conditioner, wherein the air conditioner is provided on any one of the right side surface, the left side surface, the left and right side surfaces, and the upper surface.