JP3826542B2 - Air conditioner outdoor unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an outdoor unit of an air conditioner, and more specifically, a connection valve mounting plate having a connection valve for connecting a connection pipe is provided on the front side, and a drain hole connected to a drain hose is provided on the berth. The present invention relates to a structure that is provided at the front and rear and that allows the operation of connecting the connection pipe and the drain hose to be easily performed from the indoor side.
[0002]
[Prior art]
Conventionally, as shown in FIG. 1 (A) and FIG. 1 (B), a separation type air conditioner that is attached to a mounting window 50 of an air conditioner previously provided with an air conditioner mounting table 51 and a roof 52 outside a house. 9 and 10, the outdoor unit 40 includes an outdoor heat exchanger 2, a propeller fan 3, an air guide plate 4, and a rear portion of the base 1 having a drain hole to which a drain hose is connected. The electrical component box 6 with the compressor 5 and the electrical component box cover 6a attached to the front side, the connection valve 7 such as the two-way valve 7a and the three-way valve 7b on the other side, A fan motor 8 or the like for driving the propeller fan 3 is provided, the base 1 is connected to the suction port 9a for sucking outdoor air on the side surface, the connection valve 7 and the pipe 31 from the indoor unit 30 is connected. The internal pipe 10 is housed in an outer cylinder 9 provided with an insertion hole 9b through which a sealing packing 11 is inserted, and is placed in front of the outer cylinder 9 in front. I had to attach the cover 12.
[0003]
The internal pipe 10 is packed as a separate product from the outdoor unit main body, and during the installation work, the front cover 12 is removed, and the internal pipe 10 is connected to the connection valve 7, The pipe 31 from the indoor unit 30 was connected to the insertion hole 9b through the seal packing 11.
On the other hand, the electric wire 32 from the indoor unit 30 is inserted through the insertion hole 9b through the seal packing 11, the electric component box cover 6a is removed and the electric component box 6 is connected to the electric component box 6, and then the electric component The box cover 6a was reattached and the front cover 12 was reattached.
[0004]
However, in the above configuration, since the pipe connection of the indoor unit 30 is performed on the side surface of the outer body 9, there is no degree of freedom in the routing of the pipe 31, and the opening width of the mounting window 50 must be widened. There was also a problem in workability.
[0005]
Further, the pipe 31 of the indoor unit 30 cannot be directly connected to the connection valve 7, and the internal pipe 10, the seal packing 11 and the like are required, the number of parts is large, the parts cost and the construction cost are high. It was a thing.
[0006]
Further, when a drainage part 51a is provided near the tip of the air conditioner mounting table 51, the drainage part 51a is connected to a drainage hole 1a provided in the rear part of the base 1 corresponding to the drainage part 51a. By connecting the drain hose, the drain water can be drained smoothly. On the other hand, if the drain part 51a is not provided, it becomes difficult to route the drain hose connected to the drain hole 1a. It had the problem of end.
[0007]
[Problems to be solved by the invention]
The present invention solves the above-mentioned problems, provides a connection valve mounting plate with a connection valve for connecting a connection pipe on the front side, and provides drainage holes connected to a drain hose at the front and rear of the base, An object of the present invention is to provide an outdoor unit of an air conditioner that can easily perform the operation of connecting a connection pipe and a drain hose from the indoor side.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention includes an outdoor heat exchanger and a slinger ring for scooping up drain water at the rear of a base provided with a drain hole to which a drain hose is connected or a water stop cock is attached at the front and rear. A propeller fan and a wind guide plate are placed, a recess for receiving drain water is provided under the propeller fan, a compressor is provided on the front side, an electrical component box on the other side, and the propeller fan in the center. A fan motor, etc., to be driven is placed, respectively, in the center of the front end, with a connection valve that connects the connection pipe from the indoor unit, and condensed water from the connection valve below the connection valve and a drain drain pipe from the indoor unit A drainage tray for receiving the drained water is provided, and a water guide means for guiding the water of the drainage tray to the concave portion is provided. The bottom plate is opened forward and backward, and a suction port for sucking outdoor air into the side is provided. Store in the outer shell A first cutout hole corresponding to the connection valve and drainage tray fixed to a connection valve fixture standing at the front end of the base, and a second cutout hole corresponding to the electrical component box A front cover that is formed is attached, and an electrical component box cover that covers the electrical component box is attached to the second cutout hole,
When the drain hose is connected to one or the other, the drain hole is connected via a connecting pipe between the one or other drain hole and the drain hose, and the other or one of the drain holes. It is configured to be fitted with a stop cock.
[0009]
Moreover, the said connection pipe is provided with the latching | locking part latched to the said drain hole, and the protrusion part which inserts the said drain hose, It has the structure formed in the substantially cylinder shape with elasticity.
[0010]
Moreover, the said latching | locking part becomes a structure which consists of the latching groove | channel of the substantially concave cross section latched to the said drain hole, and the flange provided in the both sides of the same locking groove.
[0011]
In addition, the flange located on the opposite side of the protruding portion is formed with a slightly smaller outer shape than the flange located on the protruding portion side.
[0012]
Further, the flange located on the opposite side of the protruding portion is configured to be tapered.
[0013]
In addition, the water stopcock is provided with a locking portion including a locking groove having a substantially concave cross section locked to the drainage hole and flanges provided on both sides of the locking groove, and has elasticity. It has been configured.
[0014]
Moreover, it has the structure which formed one flange which comprises the latching | locking part of the said water stop cock with the small outside shape with respect to the other flange.
[0015]
Moreover, it is the structure which formed one flange which comprises the latching | locking part of the said water stop cock in the taper shape.
[0016]
Further, the electrical component box is configured to open and face a second notch hole formed in the front cover.
[0017]
Further, the electrical component box cover is provided with a protruding portion that protrudes from the front surface and has an opening through which the electric wire is inserted below.
[0018]
In addition, the water guiding means is formed by extending the drainage tray.
[0019]
Moreover, the said water guide means becomes a structure which consists of a water guide groove which guides the drain water drained from the said drain pan to the said recessed part in the approximate center part of the said base.
[0020]
Further, the drainage tray is provided with a cylindrical drainage port so that drain water of the drainage tray is drained into the water guide groove.
[0021]
Further, the drain pan is provided with a slant that is inclined downward, and the drain water of the drain pan is drained to the water guide groove.
[0022]
Moreover, it has the structure which has arrange | positioned the indoor piping connection part of the said connection valve toward upper direction, and the valve opening / closing part toward the front.
[0023]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described as examples based on the drawings.
In addition, about the content demonstrated in the said prior art, description is abbreviate | omitted in order to avoid duplication.
1 (A) and 1 (B), FIG. 2, FIG. 3 (A) and FIG. 3 (B), FIG. 4 (A) and FIG. 4 (B), FIG. 5 and FIG. 7 (A), 7 (B), and FIG. 8, 1 is a base constituting the outdoor unit 40 of the separation type air conditioner, 1a is provided before and after the base 1, and at least one of them Drain hole for connecting drain hose 13 and discharging drain water, 2 is an outdoor heat exchanger placed at the rear of the base 1, 3 is a propeller fan with a slinger ring 3a, 4 is a wind guide plate is there.
A recess 20 for receiving drain water is provided under the propeller fan 3 with the slinger ring 3a, and the water accumulated in the recess 20 is scraped up by the slinger ring 3a and sprayed to the outdoor heat exchanger 2. It has a configuration.
[0024]
In addition, a compressor 5 is driven on one side of the front portion of the base 1 provided with the drainage holes 1a at the front and rear, an electrical component box 6 opening on the front side is driven on the other side, and the propeller fan 3 is driven on the center. The fan motor 8 and the like are arranged, and in the center of the front end portion, the connection valve 7 such as the two-way valve 7a and the three-way valve 7b for connecting the pipe from the indoor unit 30 is connected under the connection valve 7. A drainage tray 21 that receives condensed water from the valve 7 and drain water that is guided from the indoor unit 30 by the drain drain pipe 33 and the like protrudes, and the water of the drainage tray 21 is guided to the concave portion 20 by water guide means that will be described later. It is the composition which was made to do.
[0025]
The connection valves 7, such as the two-way valve 7a and the three-way valve 7b, are fixed to a connection valve fixture 22 standing at the front end of the base 1, and the connection valve fixture 22 is used as a first notch to be described later. The indoor piping connection portion 7c of the connection valve 7 is disposed upward and the valve opening / closing portion 7d is disposed forward.
Further, as shown in FIG. 7 (A), a water guide means for guiding the water of the drain pan 21 to the concave portion 20 is provided with a cylindrical drain hole 21a at the rear of the drain pan 21, and the base 1 Is provided with a water guide groove 24 that guides the water discharged from the drain hole 21a to the concave portion 20, so that drain water received by the drain pan 21 is guided to the concave portion 20. .
Further, the water guide groove 24 is inclined downward toward the concave portion 20 to improve the flow of water.
Further, as shown in FIG. 7B, a downwardly inclined gutter 21b may be provided to drain the drain water from the drain tray 21 into the water guide groove 24.
[0026]
And the said base 1 is accommodated in the outer cylinder 9 which provided the suction port 9a which sucks outdoor air in the side surface.
In addition, on the front surface of the outer body 9, a first notch 12 a corresponding to the connection valve fixture 22 and the drainage tray 21 to which the connection valve 7 is fixed, and a second notch corresponding to the electrical component box 6 are provided. A front cover 12 having a hole 12b is attached, and an electrical component box cover 25 that covers the electrical component box 6 is attached to the second notch hole 12b.
[0027]
FIG. 8 is an enlarged cross-sectional view of a main part showing another embodiment of the outdoor unit 40 of the separation type air conditioner according to the present invention.
As shown in FIG. 8, the electrical component box cover 25 is provided with a protruding portion 25b having an opening 25a through which an electric wire 32 connected to the electrical component box 30 from the indoor unit 30 is inserted.
[0028]
When the drain hose 13 is connected to one or the other, as shown in FIGS. 3 (A) and 3 (B) and FIGS. 4 (A) and 4 (B), the drain hole 1a A connection pipe 15 is interposed between one or the other drain hole 1a and the drain hose 13, and a water stopcock 14 is attached to the other or one of the drain holes 1a. And
This makes it possible to solve the problem that the operation of routing the drain hose connected to the drain hole 1a as described above in the prior art becomes difficult, and the air conditioner mounting table 51 has the above-described problem. Even when the drainage part 51a is not provided, the drain hose 13 can be connected to the drainage hole 1a via the connection pipe 15 from the indoor side.
[0029]
Further, the connecting pipe 15 includes a locking portion to be described later for locking to the drain hole 1a, and includes a protruding portion 15e and a hole portion 15d for inserting the drain hose 13, and has elasticity. It has a configuration formed in a substantially cylindrical shape,
Accordingly, the connection pipe 15 can be easily locked to the drain hole 1a using its elasticity, and the drain hose 13 can be easily and accurately inserted into the protrusion 15e. It becomes.
[0030]
Further, as shown in FIGS. 4 (A) and 4 (B), the locking portion of the connecting pipe 15 has a locking groove 15c having a substantially concave cross section locked to the drain hole 1a, and the locking groove. It consists of flanges 15a and 15b provided on both sides of 15c,
As a result, the connecting pipe 15 can be easily and accurately locked to the drain hole 1a by utilizing its elasticity, as described above.
[0031]
Further, as shown in FIGS. 4 (A) and 4 (B), the flange 15a located on the opposite side of the protruding portion 15e is formed with a slightly smaller outer shape than the flange 15b located on the protruding portion 15e side. It is composed,
As a result, the connection pipe 15 can be smoothly and accurately locked by the drain hole 1a using its elasticity.
[0032]
Further, the flange 15a located on the opposite side of the projecting portion 15e is formed in a tapered shape as shown in FIGS. 4 (A) and 4 (B).
As a result, the connecting pipe 15 can be more smoothly and accurately locked to the drain hole 1a by utilizing its elasticity.
[0033]
Further, as shown in FIGS. 3 (A) and 3 (B), the stop cock 14 has a substantially concave cross-section locking groove 14c for locking to the drain hole 1a, and both sides of the locking groove 14c. It is provided with a latching portion consisting of flanges 14a and 14b provided on the surface, and has a configuration formed with elasticity,
As a result, the water stop cock 14 can be easily and accurately locked to the drain hole 1a using its elasticity.
[0034]
Further, as shown in FIGS. 3 (A) and 3 (B), one flange 14a constituting the locking portion of the water stop cock 14 is formed with a small and small outer shape with respect to the other flange 14b. And
As a result, the water stopcock 14 can be smoothly and accurately locked by the drain hole 1a using its elasticity.
[0035]
Further, one flange 14a constituting the locking portion of the water stop cock 14 is formed in a tapered shape as shown in FIGS. 3 (A) and 3 (B),
As a result, the stop cock 14 is structured to be able to be more smoothly and accurately locked to the drain hole 1a using its elasticity.
[0036]
Next, construction procedures for piping and the operation thereof will be described.
First, the pipe 31, the electric wire 32, and the drain drain pipe 33 output from the indoor unit 30 are bundled and pulled out from the pipe hole of the frame 53 that constitutes the mounting window 50, and the pipe 31 is connected to a predetermined connection valve. 7 (two-way valve 7a or three-way valve 7b) is connected to the indoor piping connection portion 7c, and a valve such as a hexagon wrench is inserted into the valve opening / closing portion 7d as necessary to open the valve.
At this time, the drain outlet of the drain drain pipe 33 is made to face above the drain pan 21 so that drain water drops on the drain pan 21.
Next, the electric component box cover 25 is removed and the electric wire 32 is connected to a terminal plate (not shown) of the electric component box 6 so that the electric wire 32 is inserted from the opening 24a of the electric component box cover 24. Again, the electrical component box cover 25 is attached.
[0037]
The drain water introduced from the indoor unit 30 is dropped into the drain pan 21 through the drain drain pipe 33, and is introduced into the water guide groove 24 together with the condensed water dripping from the two-way valve 7a or the three-way valve 7b. Stored in the recess 20.
The water stored in the recess 20 is pumped up by the slinger ring 3a, splashed by the propeller fan 3 to the outdoor heat exchanger 2, and deprived of heat by evaporation of the water, thereby removing heat from the outdoor heat exchanger 2. It becomes the structure which improved.
[0038]
【The invention's effect】
As described above, according to the outdoor unit for an air conditioner according to the present invention, since a connection valve such as a two-way valve or a three-way valve is provided in the center of the front end of the base, piping from the indoor unit is directly connected. Since it can be connected to this connection valve, parts such as internal piping can be saved, and piping connection work can be performed at the central portion of the mounting window, so that workability can be improved.
In addition, the problem that the operation of routing the drain hose connected to the drain hole 1a as described in the related art becomes difficult can be solved, and the drainage is placed on the air conditioner mounting table 51. Even if the portion 51a is not provided, the outdoor unit of the air conditioner is configured such that the drain hose 13 can be connected to the drain hole 1a via the connection pipe 15 from the indoor side.
[0039]
In addition, the drainage tray that receives the drainage water that is induced by the drainage drain pipe that is bundled together with the piping and wiring from the indoor unit and the condensed water dripping from the connection valve is provided below the connection valve. The water in the drainage tray is introduced into the recess provided at the rear of the base, and the water accumulated in the recess is pumped up by slingering and blown to the outdoor heat exchanger. It can be used to improve heat exchange efficiency.
[0040]
In addition, since a water guide groove that guides the water drained from the drain pan to the recess is provided in the substantially central portion of the base, the drain water received by the drain pan is guided to the recess without adding any parts. Can do.
[0041]
Further, since the electrical component box is opened to the second notch hole formed in the front cover and the electrical component box cover is attached to the second notch hole, without removing the front cover. The electrical component box cover can be removed.
[0042]
In addition, since the connection valve is fixed to a connection valve fixture erected on the rear end of the base, and the connection valve fixture faces the first notch hole, it is connected from the first notch hole. While projecting the valve, the first hole can be closed by the connecting valve fitting.
[Brief description of the drawings]
1A and 1B are schematic views showing installation of an air conditioner according to the present invention and a conventional example, in which FIG. 1A is a side view and FIG. 1B is a perspective view.
FIG. 2 is an external perspective view showing an embodiment of an outdoor unit of an air conditioner according to the present invention.
FIGS. 3A and 3B are explanatory views of a main part of an outdoor unit of an air conditioner according to the present invention, wherein FIG. 3A is a perspective view of a water stop cock, and FIG. 3B is a cross-sectional view showing a state in which the water stop cock is attached to a drain hole; FIG.
4A and 4B are explanatory views of a main part of an outdoor unit of an air conditioner according to the present invention, in which FIG. 4A is a perspective view of a connecting pipe, and FIG. 4B is a cross-sectional view showing a state where the connecting pipe is attached to a drain hole. is there.
FIG. 5 is an exploded perspective view showing an embodiment of an outdoor unit of an air conditioner according to the present invention.
FIG. 6 is a cross-sectional view of an essential part showing an embodiment of an outdoor unit of an air conditioner according to the present invention.
FIG. 7 is an enlarged cross-sectional view of a main part showing a connection valve and a drain pan of an outdoor unit of an air conditioner according to the present invention.
FIG. 8 is an enlarged cross-sectional view showing a main part of another embodiment of the outdoor unit of the air conditioner according to the present invention.
FIG. 9 is a cross-sectional view of a main part showing an outdoor unit of a conventional air conditioner.
FIG. 10 is an exploded perspective view showing an outdoor unit of a conventional air conditioner.
[Explanation of symbols]
1 base
1a Drain hole 2 Outdoor heat exchanger 3 Propeller fan
3a Slinger ring 4 Air guide plate 5 Compressor 6 Electrical component box 7 Connection valve
7a Two-way valve
7b 3-way valve
7c Indoor piping connection
7d Valve opening / closing part 8 Fan motor 9 Outer body
9a Suction port
12 Front cover
12a No hole at all
12b Second notch
13 Drain hose
14 Water stop cock
14a, 14b Faucet flange
14c Locking groove of stopcock
15 Connection pipe
15a, 15b Connecting pipe flange
15c Connecting pipe locking groove
15d Connecting pipe hole
15e Connecting pipe protrusion
20 Recess
21 Drain pan
21a Drainage hole
21b 樋
22 Connection valve fitting
24 Water guide channel
25 Electrical component box cover
25a opening
25b Protrusion
30 Indoor unit
31 Piping
32 wire
33 Drain drain pipe
40 outdoor unit

Claims (15)

An outdoor heat exchanger, a propeller fan with slinger ring that pumps up drain water, and a wind guide plate are placed at the rear of the base that has drain holes to which drain hoses are connected or water stopcocks are installed. A recess for receiving drain water under the propeller fan, a compressor on the front side, an electrical component box on the other side, and a fan motor for driving the propeller fan in the center, respectively. In the center of the front end, there is a connection valve that connects the connection pipe from the indoor unit, and a drain pan that receives condensed water from the connection valve and drain water that is induced from the indoor unit by a drain drain pipe, etc. below the connection valve. Protruding and provided with water guiding means for guiding water from the drainage tray to the recess, the bottom plate is opened in the front and rear, and is stored in an outer cylinder provided with a suction port for sucking outdoor air on the side surface. The front end of the base at the front opening of A front cover having a first cutout hole corresponding to the connection valve and drainage tray fixed to the standing connection valve fitting and a second cutout hole corresponding to the electrical component box is attached. An electrical component box cover that covers the electrical component box is attached to the cutout hole,
When the drain hose is connected to one or the other, the drain hole is connected via a connecting pipe between the one or other drain hole and the drain hose, and the other or one of the drain holes. An outdoor unit of an air conditioner characterized in that a water stop cock is attached to the air conditioner. The said connection pipe | tube is provided with the latching | locking part latched to the said drain hole, and the protrusion part which inserts the said drain hose, and has elasticity and was formed in the substantially cylindrical shape. Air conditioner outdoor unit. The air conditioner according to claim 2, wherein the locking portion includes a locking groove having a substantially concave cross section that locks in the drain hole and flanges provided on both sides of the locking groove. Outdoor unit. The outdoor unit for an air conditioner according to claim 2 or 3, wherein a flange positioned on the opposite side of the protruding portion is formed with a small outer shape with respect to the flange positioned on the protruding portion side. The outdoor unit for an air conditioner according to any one of claims 2 to 4, wherein a flange located on the opposite side of the protruding portion is formed in a tapered shape. The water stop cock is provided with a locking portion including a locking groove having a substantially concave cross section locked to the drain hole and flanges provided on both sides of the locking groove, and is formed with elasticity. The outdoor unit for an air conditioner according to claim 1. The outdoor unit for an air conditioner according to claim 2 or 6, wherein one of the flanges constituting the locking portion of the water stop cock is formed with a slightly smaller outer shape than the other flange. The outdoor unit for an air conditioner according to claim 6 or 7, wherein one flange constituting the locking portion of the water stop cock is formed in a tapered shape. The outdoor unit for an air conditioner according to claim 1, wherein the electrical component box is opened to a second notch hole formed in the front cover. The outdoor unit for an air conditioner according to claim 1, wherein the electrical component box cover is provided with a projecting portion that projects to the front and has an opening through which an electric wire is inserted. The outdoor unit for an air conditioner according to claim 1, wherein the water guiding means is formed by extending the drainage tray. 2. The outdoor unit for an air conditioner according to claim 1, wherein the water guide means includes a water guide groove that guides drain water drained from the drain pan to the recess at a substantially central portion of the base. 3. The outdoor unit for an air conditioner according to claim 12, wherein the drainage tray is provided with a cylindrical drainage port, and drain water of the drainage tray is drained into the water guide groove. 13. The outdoor unit for an air conditioner according to claim 12, wherein a dredger inclined downward is provided on the drain pan, and drain water from the drain pan is drained into the water guide groove. The outdoor unit for an air conditioner according to claim 1, wherein the indoor pipe connection portion of the connection valve is disposed upward and the valve opening / closing portion is directed forward.

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