JPH09189435A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the outward appearance as an outward appearance design and reinforce the function of a handle and enhance the transportability of a unit on a heat source side by providing a grille which covers a suction and exhaust opening and a transportable handle formed integrally with this grille. SOLUTION: A grille 7 conforms with an air blow-off holes 6b and 6c of a front panel 6a while a handle 14 is provided at the lower part of the grille 7 on he left side. This handle is shaped like a bag and extended so that it may be fitted in a mounting opening 6h of a front panel 6a so as to reinforce the handle 14. Moreover, this handle 14 extends in the lateral direction along a horizontal muntin 7s of the grille 7. When carrying an unit 1 on a heat source, it is possible to lift up and carry the unit with two people where one holds the handles 12 and 13 while the other holds he handle 14. The handle 14 is provided in the grille 7 and provided in parallel to a horizontal muntin 7s of the grille 7, whose outward appearance hardly attracts specific attention but the appearance is enhanced. Since the handle 14 is fitted in the opening 6h, there is no danger of being damaged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner having an air intake / exhaust opening for heat exchange between an internal heat exchanger and air through the intake / exhaust opening.

[0002]

2. Description of the Related Art Conventionally, a heat source side unit of an air conditioner of this type is generally provided with a grill for blowing air corresponding to an outlet of a unit body. Thus, in the heat source side unit including the grill, when the handle is provided, the position at which the handle is provided is restricted by the external configuration. By the way, in the conventional configuration, a handle is provided on the unit body of the heat source side unit so as to avoid the grill.

[0003]

However, when the handle is provided so as to avoid the grill as in the conventional case, the position of the handle is inevitably limited. There is a problem in that the position of is unnatural and is not preferable in appearance. In the first place, this type of heat source side unit incorporates heavy items such as a compressor and heat source side heat exchanger, so the handle must be configured so that the carrier can hold it firmly, and a strong handle is provided. Although it is necessary, if this handle is provided separately on the front side of the heat source side unit, there is a problem in that the external design is unattractive.

Therefore, the present invention has been made to solve the above problems, and has a good appearance in terms of external design.
An object of the present invention is to provide an air conditioner that has a sturdy handle and can improve the transportability of the heat source side unit.

[0005]

According to a first aspect of the present invention, there is provided an air intake / exhaust opening, and heat is exchanged between the internal heat exchanger and air via the air intake / exhaust opening. In the air conditioner, a grill that covers the intake and exhaust openings,
A gripping part for carrying which is integrally formed with a part of the grill is provided. According to this, since the handle for carrying the unit body is provided in a part of the grill,
Since the handle on the front side is inside the grill, it is inconspicuous in terms of external design and looks good.

According to the second aspect of the present invention, there is provided an air conditioner having an air intake / exhaust opening through which heat is exchanged between the internal heat exchanger and the air. A grill for covering the air intake / exhaust opening and a grip portion for carrying which is integrally formed on a part of the grill and is provided so as to grip the rail along a horizontal rail. According to this invention, since the handle extends along the horizontal rail of the grill, the handle is less noticeable, and the appearance is more attractive.

According to the third aspect of the present invention, there is provided an air conditioner having an air intake / exhaust opening, and heat exchange between the internal heat exchanger and air through the intake / exhaust opening. The air intake / exhaust opening is provided in the housing of the air conditioner, and a carrying grip integrally formed on a part of a grill covering the air intake / exhaust opening is projected into the grip opening formed in the housing. It fits. According to this, since the handle of the grill extends into the handle opening adjacent to the opening, the strength of the handle is increased and it is safe that the handle is not broken during transportation.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the grip portion projects from the outside to the inside of the casing of the air conditioner. According to the present invention, the upper end of the handle is substantially in contact with the opening edge for the handle, so that the strength of the handle is higher and the carrying property when carrying the unit main body using the handle is improved.

According to a fifth aspect of the present invention, there is a pair of intake and exhaust openings which are arranged vertically and through which heat is exchanged between the internal heat exchanger and the air. In the air conditioner, the air intake / exhaust opening is provided in the housing of the air conditioner, and a carrying grip integrally formed on the intake / exhaust opening side on the upper side of the grill that covers the lower intake / exhaust opening is formed on the housing. It is fitted so as to project into an opening for a grip portion formed in the body. According to this, since the handle is arranged on the upper grill, the unit body can be easily transported.

According to the sixth aspect of the present invention, there is a pair of intake / exhaust openings that are vertically arranged, and heat is exchanged between the internal heat exchanger and the air through the intake / exhaust openings. In the air conditioner, the air intake / exhaust opening is provided in a housing of the air conditioner, and a carrying grip integrally formed on a lower intake / exhaust opening side of a grill that covers the upper air intake / exhaust opening is provided in the housing. It is fitted so as to project into an opening for a grip portion formed in the body.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 4 show a heat source side unit of an air conditioner using the present invention. In the figure, the main body case 1a of the heat source side unit 1 includes side plates 2 and 3 and a back plate 3
a, a top plate 4, a bottom plate 5, a front plate 6, two grills 7 and 8, an attachment (foot) 9 and the like. This body case 1a
Machines such as the heat source side heat exchanger 63 and the compressor 61 are incorporated therein.

The heat source side unit 1 is provided with handles 12, 13, 14 which are used for holding hands when the heat source side unit 1 is carried. Handles 12, 13
Are arranged at substantially the same height in the front-rear direction, the handle 12 is located on the front plate 6, and the handle 13 is located on the back plate 3a.
4, the handle 14 is located slightly below the handle 12 in FIG. 4 and in the lower left corner of the upper grill 7 in FIG. A front panel 6a is fixed to the left half of the front plate 6, and two grills 7 and 8 are attached so as to correspond to the two air blowing holes 6b and 6c of the front panel 6a.

FIG. 5 shows the side plates 2 and 3 of the body case 1a.
Back plate 3a, top plate 4, bottom plate 5, front plate 6, two grills 7,
8 shows the disassembled state of the attachment 9 and the like. FIG. 6 shows a heat source side heat exchanger 63, a compressor 61, an accumulator 19a, a fan motor 20, which are built-in elements of the main body case 1a.
20, the fans 21, 21, the soundproof member 22, the power transformer 23, the receiver tank 66, etc. are shown. Fan 2
1, 21 are arranged corresponding to the air blowing holes 6b, 6c in FIG. Behind the corner portion CN of the main body case 2 in FIG. 1 has a concave portion 30, and the vertically long concave portion 30 accommodates the unit 42 shown in FIGS. 4 and 7 to 10. The unit 42 includes a connection portion 32 (a thin pipe connection portion (liquid pipe) 33, a large pipe connection portion (gas pipe) 34, a thin pipe connection portion (liquid pipe) 35, a large pipe connection portion (gas pipe) 36, a thin pipe connection portion. A (liquid pipe) 37, a thick pipe connecting portion (gas pipe) 38, a thin pipe connecting portion (liquid pipe) 39, a thick pipe connecting portion (gas pipe) 40, etc. are provided.

Each of the pipes 33 to 40 attached to the connecting portion 32 of FIG. 9 is included in the unit 42 shown in FIG. 11 and constitutes an integral unit 42. The unit 42 is screwed to the body case 1a, and can be easily removed from the body case 1a by removing the screw. This unit 42 is attached to the main body case 1 of FIG.
The compressor 6 in the main body case 2 can be removed by removing it from a.
1 etc. can be easily taken out. Therefore, maintenance of the compressor 61 and the like is easy. In addition, since the connecting portion 32 is arranged in the recess 30 of the main body case 1a, unlike the conventional heat source side unit, the protruding portion of the connecting portion is eliminated, not only the transport is easy, but also the main body case 2 is made compact. Can be achieved.

Connection portion 32 of recess 30 of FIGS. 7-10.
A handle 13 on the back side is provided at the upper edge of the upper side, and the handle 13 is arranged at a height substantially corresponding to the handle 12 on the front side provided on the main body case 2 of FIG. These handles 12 and 13 and a handle 14 described later are used when carrying the heat source side unit 1.

Next, the heat source side unit 1 of FIG. 1 and a plurality of utilization side units 100 connected to this heat source side unit 1.
The refrigerant circuit 60 will be described with reference to FIG.

Referring to FIG. 11, in the refrigerant circuit 60, the heat source side unit 1 and the plurality of use side units 100 are connected to each other by the connecting portion 3.
2 is detachably connected to the support plate 32a of the connecting portion 32, as shown in FIG.
35, 37, 39 and the thick pipe connection parts 34, 36, 38, 4
Has zero. As shown in FIGS. 9 and 11, this support plate 32a
Is detachably connected to the main body case 1a with screws. On one end side (outside) of the support plate 32a, external connection ends 33a, 35a, 37 connected to the liquid pipe LP and the gas pipe GP of the use side heat exchanger 100a of each use side unit 100.
a, 39a, 34a, 36a, 38a, 40a are located. On the other end side (inside) of the support plate 32a, external connection ends 33b, 35b, 37b, 39b, 34b, 36b, 3 connected to the liquid pipe LP and the gas pipe GP of the heat source side unit 1.
8b and 40b are located.

The heat source side unit 1 of FIG. 11 has the following elements, etc., 61 is a compressor, 62 is a four-way valve for switching the flow of refrigerant during cooling / heating, and 63 is heat exchange on the heat source side. Vessel, 64 is a strainer, 65 is an expansion valve, 66 is a receiver tank, 67 is a muffler, 19a, 19
Reference numeral a is an accumulator, 70 is a capillary tube for liquid injection, 71 is a solenoid valve for hot gas bypass, and 72 is a solenoid valve for liquid injection. The heat source side unit 1 is connected to the plurality of usage side units 100 via the connecting portion 32 using a refrigerant pipe. The connecting portion 32 is housed in the heat source side unit 1.

The refrigerant discharged from the compressor 61 has a solid line arrow (cooling operation), a dotted line arrow (heating operation), and a solid line midpoint, depending on the switching position of the four-way valve 62 and the opening / closing of the solenoid valves 71 and 72. As indicated by the arrow (defrosting operation), the flow direction is determined according to the three modes. During the cooling operation, the heat source side heat exchanger 63 functions as a condenser, and the use side heat exchanger 100 of the use side unit functions as an evaporator. During the heating operation, the heat source side heat exchanger 63 functions as an evaporator and the use side unit 100.
The use-side heat exchanger 100a functions as a condenser. During the defrosting operation (during the heating operation), a part of the high-temperature refrigerant from the compressor 61 is directly supplied to the heat source side heat exchanger 63 in order to raise the temperature of the heat source side heat exchanger 63. .

The gas pipe GP on the four-way valve 62 side is provided with a thick pipe side service valve 74 which is a joint portion, and the electric expansion valve 65 side is a joint pipe portion which is a thin pipe side liquid pipe LP service valve. 72 are provided. The service valve 74 on the thick pipe side is connected to the thick pipe connection parts 34, 36, 38,
40, which is detachably connected to the service valve 7 on the thin tube side.
2 is detachably connected to the thin tube connecting portions 33, 35, 37, 39 via the strainers 73, 77, the electric expansion valve 75 and the like. The thick pipe connection parts 34, 36, which are joint parts,
38, 40 and a thin tube connecting portion 33, 3 which is a joint portion.
5, 37 and 39 are detachably connected to each of the use side heat exchangers 100 of the use side unit.

Therefore, when each of the use side units of FIG. 11 is removed from the heat source side unit 1, the thick pipe connection portions 34, 3
6, 38, 40 and the thin tube connecting portions 33, 35, 37, 39 may be removed. Moreover, by removing the connecting portion (joint portion) 32 having a complicated mechanism before and after the electric expansion valve 75 at the service valves 72 and 74, only the connecting portion 32 can be removed from the main body case 1a, and the electric expansion is performed. The valve 75 can be removed together with a part of the refrigerant pipe.

When the connecting portion 32 and the side plate 2 of FIG. 4 are removed, a compressor 61 is exposed in the space of the heat source side unit 1 after removal as shown in FIG. 7, and the compressor 61 is a heat source through the space. It can be removed from inside the side unit 1.

Next, the grills 7 and 8 in FIG. 1 correspond to the air blowing holes 6b and 6c of the front panel 6a, and a grip 14 is provided on the lower left side of the grill 7 in the grills 7 and 8. The handle 14 has a bag shape as shown in FIGS. 12 and 13, and is extended so as to be fitted into the mounting opening 6h of the front panel 6a to reinforce the handle 14. Moreover, the handle 14 is provided so as to extend laterally along the horizontal rail 7s of the grill 7.

Next, a method of using this embodiment will be described.

First, when carrying the heat source side unit 1 of FIG. 1, two carriers hold the handles 12 and 13 to lift them, and the other carrier carries the handle 1 of the grill 7.
You can hold 4 and lift it to carry. Handle 14
Is provided in the grill 7 and is arranged parallel to the horizontal crosspieces 7 s of the grill 7, so that it is hardly noticeable in appearance and has a good appearance. Further, since the height at which the handle 14 is provided is almost the same as the height of the other handles 12 and 13, the carrier can easily carry it. The handle 14 has an opening 6h in the front panel 6a.
It is attached so that it fits on the handle 14
There is no risk of damage because it can be reinforced, and you can hang your hands deeply during transportation.

As shown in FIG. 7, the handle 13 is provided in the recess 30 and at the upper edge of the connecting portion 32, so that the handle 13 itself does not protrude to the outside of the main body case 2.

Next, for example, the compressor 61 in the main body case 1
When inspecting, etc., or taking out and performing maintenance, do as follows. That is, the side plate 2 of FIG. 4 is removed, and the connecting plate 32a of the connecting portion 32 of FIG. Thereby, the compressor 61 and the like built in the main body case 1 can be easily removed. Moreover, the connecting portion 32 is arranged in the recess 30 of the main body case 1, and the connecting portion 32 does not project from the main body case 1, so that the main body case 1 is made compact.

As is apparent from FIG. 11, when the main body case 1 and the plurality of use side units are disconnected, in the main body case 1a, the service valve 74 on the thick pipe side and the service valve on the thin pipe side are provided. At 72 the connection 32
In the use side unit 100, it suffices to remove the connecting portion 32 at the external connection ends 34a, 36a, 38a, 40a of each thick tube and the external connection ends 33a, 35a, 37a, 39a of each thin tube.

The present invention is not limited to the above-mentioned embodiments, and can be variously modified without departing from the spirit of the "claims".

[0031]

As described above, according to the first aspect of the invention, the handle for carrying the unit body is provided at a part of the grill. Therefore, since the handle on the front side is inside the grill, it is inconspicuous in appearance design and has a good appearance.

According to the second aspect of the present invention, since the handle extends along the horizontal rail of the grill, the handle is less noticeable, and therefore the appearance design is more attractive.

In the invention according to claim 3, since the handle of the grill extends in the handle opening adjacent to the opening, the handle has a high strength, and the handle is used to carry the unit main body. The handle is safe because the handle is not broken during transportation because the transportability is improved.

In the invention according to claim 4, since the upper end portion of the handle is almost in contact with the opening edge for the handle, the strength of the handle is further increased, and when the handle is used to carry the unit main body. Since the transportability is improved, it is safe because the handle does not break during transportation.

According to the fifth aspect of the invention, since the handle is arranged on the upper grill, the height of the handle is suitable, and the unit body can be easily transported.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a heat source side unit of an air conditioner of the present invention.

FIG. 2 is a plan view of the heat source side unit of FIG.

FIG. 3 is a front view of the heat source side unit of FIG.

FIG. 4 is a side view of the heat source side unit of FIG. 1 having a partial cutaway portion.

FIG. 5 is an exploded perspective view of a heat source side unit.

FIG. 6 is a perspective view showing elements included in the heat source side unit.

FIG. 7 is a perspective view showing a connection portion provided in a recess of the heat source side unit.

FIG. 8 is a front view showing a connection portion provided in a recess of the heat source side unit.

FIG. 9 is a side view showing a connection portion provided in a recess of the heat source side unit.

FIG. 10 is an exploded perspective view showing a connection portion provided in a recess of the heat source side unit.

FIG. 11 is a refrigerant circuit diagram of a heat source side unit and a use side unit.

FIG. 12 is a cross-sectional view showing a handle provided on the grill of the heat source side unit.

FIG. 13 is a view showing a grill of a heat source side unit having a handle and an opening for reinforcing the handle.

[Explanation of symbols]

 1 Heat Source Side Unit 1a Unit Body (Main Unit) 6b Opening 7 Grill 7s Side Rail 14 Handle

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kiyofumi Mauma 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (6)

[Claims] 1. An air conditioner having an air intake / exhaust opening and configured to perform heat exchange between an internal heat exchanger and air through the intake / exhaust opening, the grill covering the intake / exhaust opening. An air conditioner comprising: a gripping part for transportation, which is integrally formed with a part of the grill. 2. An air conditioner having an air intake / exhaust opening, and heat exchange between the internal heat exchanger and air through the air intake / exhaust opening, the grill covering the intake / exhaust opening. And an air conditioner integrally formed with a part of the grill and provided with a grip portion for transportation provided so as to grip the rail along a horizontal rail. 3. An air conditioner having an air intake / exhaust opening, and performing heat exchange between an internal heat exchanger and air via the air intake / exhaust opening Air that is provided in a housing of a harmony machine and has a carrying grip integrally formed on a part of a grill that covers the intake / exhaust openings so as to project into a grip opening formed in the housing. Harmony machine. 4. The air conditioner according to claim 3, wherein the grip portion protrudes from the outside to the inside of the housing of the air conditioner. 5. An air conditioner having a pair of intake and exhaust openings arranged vertically, and configured to perform heat exchange between an internal heat exchanger and air through the intake and exhaust openings.
The air intake / exhaust openings are provided in the housing of the air conditioner, and a carrying grip integrally formed on the upper air intake / exhaust opening side of the grill that covers the lower air intake / exhaust openings is formed in the housing. An air conditioner characterized by being fitted into the opening for a grip portion so as to project. 6. An air conditioner having a pair of intake / exhaust openings arranged vertically above and configured to perform heat exchange between an internal heat exchanger and air through the intake / exhaust openings.
The air intake / exhaust opening is provided in the housing of the air conditioner, and a carrying grip integrally formed on the lower intake / exhaust opening side of the grill that covers the upper intake / exhaust opening is formed in the housing. An air conditioner characterized by being fitted into the opening for a grip portion so as to project.