WO2007060928A1

WO2007060928A1 - Indoor device of air conditioner

Info

Publication number: WO2007060928A1
Application number: PCT/JP2006/323155
Authority: WO
Inventors: Youhei Takada; Masanao Yasutomi
Original assignee: Daikin Industries, Ltd.
Priority date: 2005-11-28
Filing date: 2006-11-21
Publication date: 2007-05-31
Also published as: JP3940849B2; EP1962027A4; JP2007147151A; EP1962027A1

Abstract

An indoor device of air conditioner includes a body casing, harnesses (21, 22) for connecting electrical components arranged in the body casing, and a harness holding member (10) having a pocket (10a) opening upward for holding the harnesses (21, 22). The harnesses (21, 22) are curved in the middle and the curved portions (21a, 22a) are pushed into the pocket (10a) opening above the harness holding member (10) so that the harnesses (21, 22) are held by the harness holding member (10).

Description

Air conditioner indoor unit

Technical field

[0001] The present invention relates to an indoor unit of an air conditioner.

Background art

[0002] In the assembly of indoor units of air conditioners, the processing of harnesses tends to become more complicated with the recent increase in functionality.

FIG. 5 shows a perspective view of a conventional air conditioner indoor unit. FIG. 5 shows the state where the front panel 56 is removed.

As shown in FIG. 5, a first heat exchanging part 51 and a second heat exchanging part 52 are arranged on the front side of the bottom frame 50, and the first heat exchanging part 51 and the second heat exchanging part 52 A third heat exchanging part 53 is arranged on the rear side. The first heat exchange unit 51, the second heat exchange unit 52, and the third heat exchange unit 53 constitute an indoor heat exchanger. An electrical component box 55 is arranged on the right side of the indoor heat exchanger. A drip-proof cover 54 is installed on the front side of the piping space between the indoor heat exchanger ^^ and the electrical component box 55 to prevent the drain water from jumping out of the machine.

[0005] In the above air conditioner indoor unit, as shown in Fig. 6, in consideration of the case where drain water is attached to the harness 60 near the indoor heat exchanger and is transferred to the electrical component, It was necessary to install a trap in the middle of the harness 60. In addition, in the indoor unit of the air conditioner described above, the harness is bundled with a tie wrap and fixed to the casing so that the drain water does not jump out of the machine while taking into account the assembly variation of the harness. It was necessary to hook the harness to the provided hook (54a in Fig. 6) and fix it. For this reason, the air conditioner indoor unit has a problem that it takes time to assemble.

[0006] As another conventional indoor unit of an air conditioner, there is one that holds a harness in a wiring groove provided with a locking piece on a side wall (see, for example, JP-A-9 184639). In this indoor unit of an air conditioner, after the harness is inserted into the wiring groove with the groove width widened by elastic deformation of the wiring groove side wall, the wiring groove side wall is restored to its original shape. Thus, the harness is held in the wiring groove. [0007] In the indoor unit of the air conditioner described above, it is considered that drain water attached to the harness may be transmitted to the electrical components, and that the drain water does not jump out of the machine. Disclosure of the invention

Problems to be solved by the invention

[0008] Therefore, an object of the present invention is to provide an indoor unit of an air conditioner that can easily and surely hold a harness while taking measures against drain water with a simple configuration and can reduce assembly time. .

Means for solving the problem

In order to achieve the above object, an indoor unit for an air conditioner of the present invention includes:

A body casing;

A harness for connecting electrical components respectively disposed in the main body casing; and a harness holding member having a pocket portion opened on the upper side for holding the harness;

With

The harness is held by the harness holding member by bending the harness in the middle and pushing the bent portion of the harness into the pocket portion of the harness holding member. Here, the harness holding member is directly or indirectly attached to an attachment portion, for example, a main body casing, a heat exchanger, or other members.

[0010] According to the above configuration, the harness connecting between the electrical components respectively disposed in the main body casing is bent in the middle, and the bent portion of the harness is pushed into the pocket portion of the harness holding member. The harness is held by the holding member. Since the pocket portion of the harness holding member is open to the upper side, the curved portion of the noise that has been pushed into the pocket portion is held in the pocket portion with the tip side facing downward. Then, the drain water adhering to the harness drops downward along the curved portion of the harness, so that the curved portion of the harness serves as a trap. This makes it possible to tie the harness using a tie wrap and fix it to the main body casing, or to hook the harness to the hook provided on the main body casing and fix the harness while taking measures against drain water with a simple configuration. Can be held easily and securely, and assembly time can be shortened. Here, the pocket is on the upper side It is a bag-like form having an opening, and may have a hole in the bottom, or may have a closed bottom. If there is a hole in the bottom of the pocket, it is possible to treat the drain water without accumulating it.

[0011] Further, an indoor unit of an air conditioner according to an embodiment includes an indoor heat exchanger disposed in the main body casing, and the harness holding member includes a side portion of the indoor heat exchanger and the main body casing. It is arrange | positioned at the front side of the space between these side surfaces.

[0012] According to the above-described embodiment, the harness holding member is disposed on the front side of the space between the side portion of the indoor heat exchanger and the side surface of the main body casing, so that the bending portion of the harness is reduced. The operation of pushing into the pocket portion of the tone holding member can be easily performed.

[0013] In the air conditioner indoor unit according to one embodiment, the harness holding member is a part of a drip-proof cover.

[0014] According to the above embodiment, a part of the drip-proof cover disposed on the front side of the space between the side portion of the indoor heat exchanger and the side surface of the main body casing also serves as the harness holding member. A narrow space can be used effectively, and the number of parts and assembly man-hours can be reduced.

[0015] Further, in the indoor unit of the air conditioner according to one embodiment, the harness holding member is provided below the bucket portion, and is along the curved portion of the harness pushed into the pocket portion. And a guide portion for guiding the drain water flowing down.

[0016] According to the above embodiment, the drain water that flows down along the curved portion of the harness pushed into the pocket portion is guided by the guide portion provided on the lower side of the pocket portion of the harness holding member. The drain water adhering to the water does not jump out to the outside. For example, a drain pan can be easily provided by providing a drain pan below.

[0017] Further, the indoor unit of an air conditioner according to an embodiment includes a binding portion that binds both sides of the curved portion of the harness.

[0018] According to the above embodiment, the curved portion of the noise pushed into the pocket portion of the harness holding member is separated by bundling both sides of the curved portion bent in the middle of the harness by the binding portion. It is stable in the pocket portion without any problem, and more reliable holding is possible. The invention's effect

As is clear from the above, according to the indoor unit of an air conditioner of the present invention, it has a simple configuration. An air conditioner indoor unit that can easily and reliably hold a harness while reducing drain water and shortening the assembly time can be realized.

[0020] Further, according to one embodiment, the harness holding member is arranged on the front side of the space between the side portion of the indoor heat exchanger and the side surface of the main body casing, so that the bending portion of the harness is reduced. The operation of pushing into the pocket portion of the tone holding member can be easily performed on the front side of the main casing.

[0021] According to one embodiment, a part of the drip-proof cover disposed on the front side of the space between the side portion of the indoor heat exchanger ^ and the side surface of the main casing also serves as the harness holding member. Therefore, it is possible to effectively use a narrow space and reduce the number of parts and assembly man-hours.

[0022] According to one embodiment, the drain water that has flowed down along the curved portion of the harness pushed into the pocket portion is guided by the interior of the plan provided below the pocket portion of the harness holding member. As a result, the drain water attached to the harness does not jump out and the drainage treatment can be facilitated by, for example, a drain pan provided below.

[0023] Further, according to an embodiment, the curved portion having a singleness pushed into the pocket portion of the harness holding member is obtained by bundling both sides of the curved portion bent in the middle of the harness with the binding portion. It is stable in the pocket and can be held more securely. Brief Description of Drawings

FIG. 1 is a schematic diagram of a main part of an indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a top view of a harness holding member of the indoor unit of the air conditioner.

FIG. 3 is a front view of the harness holding member.

FIG. 4 is a cross-sectional view of the singleness holding member as seen from line IV-IV in FIG.

FIG. 5 is a perspective view of an indoor unit of a conventional air conditioner.

FIG. 6 is a front view of the main part of the indoor unit of the air conditioner.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, an indoor unit of an air conditioner according to the present invention will be described in detail with reference to the illustrated embodiments. FIG. 1 is a front view of a main part of an indoor unit of an air conditioner according to an embodiment of the present invention. The indoor unit of the air conditioner of this embodiment has the same configuration as the conventional indoor unit of the air conditioner of FIG. 5 except for the harness holding member and the like, and FIG.

As shown in FIG. 1, the indoor unit of the air conditioner includes a front-side first heat exchanging portion 51 disposed on the front side of a bottom frame 50 (shown in FIG. 5), and the bottom frame 50 A front side second heat exchanging part 52 disposed below the first heat exchanging part 51 and the rear side of the first heat exchanging part 51 and the second heat exchanging part 52 and the bottom frame 50. And a third heat exchanging portion 53 (shown in FIG. 5) on the rear side disposed between the two. The first heat exchange unit 51, the second heat exchange unit 52, and the third heat exchange unit 53 constitute an indoor heat exchanger. The bottom frame 50 and the front panel 56 (shown in FIG. 5) constitute a main casing.

[0028] In addition, an attachment frame 30 fixed to the front side of the first heat exchange part 51 and the second heat exchange part 52 is disposed. The mounting frame 30 has such a shape that resistance does not increase with respect to the air flow passing through the first heat exchange part 51 and the second heat exchange part 52. The mounting frame 30 covers a part of the front side of the first heat exchanging portion 51 and the second heat exchanging portion 52, and the mounting frame 30- portion protrudes outward in the right direction.

[0029] Then, the harness holding member 10 is fixed to a portion of the mounting frame 30 that protrudes outwardly on the right side. Further, the electrical components arranged in the main casing (50, 56) are connected by the harnesses 21 and 22, respectively. Here, the “electric component” is an electric component box (not shown) provided with an indoor fan motor, an electric valve, a flap motor, and a control circuit for controlling the motor. In this embodiment, the harness holding member 10 is attached to the attachment frame 30, but it may be attached directly or indirectly to an attachment portion such as a main body casing, a heat exchanger, or other members. In FIG. 1, 10b is a guide part, 10c is a fixing part, 11 is an opening, and 12 is a screw hole.

[0030] The harnesses 21, 22 are bent halfway and the bent portions 21a, 22a of the harnesses 21, 22 are pushed into the pocket portions 10a of the harness holding member 10, thereby holding the harnesses 21, 2 2 and 14 It is held by member 10.

FIG. 2 is a top view of the harness holding member 10, FIG. 3 is a front view of the harness holding member 10, and FIG. 4 is a sectional view taken along line IV-IV in FIG. Yes. As shown in FIGS. 2 and 3, the harness holding member 10 is provided with a pocket portion 10a having a rectangular opening 11 on the upper side and a lower side of the pocket portion 10a, and toward the rear surface side. It has an inclined guide portion 10b and a fixing portion 10c provided with a screw hole 12 for fixing to the mounting frame 30.

[0033] The harness holding member 10 having the pocket portion 10a, the guide portion 10b, and the fixing portion 10c is integrally formed with a grease. In addition, projecting portions 14 and 15 for positioning are provided on the rear surface side of the fixing portion 10c of the harness holding member 10 so as to project.

[0034] When the harness holding member 10 is attached to the attachment frame 30, the rear surface side of the fixed portion 10c is brought into contact with the attachment surface of the attachment frame 30, and the convex portion 14 protruding from the fixed portion 10c to the rear surface side is attached. It is inserted into a hole 31 (shown in FIG. 4) provided in the frame 30 (the same applies to the protrusion 15 shown in FIG. 2). Thereby, the harness holding member 10 is positioned. The harness holding member is then inserted by inserting a fixing screw (not shown) into the screw hole 12 of the positioned noise holding member 10 and tightening it into the hole (not shown) of the mounting frame 30. Fix 10 to mounting frame 30

[0035] The mounting frame 30 excludes a part of the lower side of the opening on the back side of the pocket portion 10a! Blocking the trapped area. Thereby, the harnesses 21 and 22 (shown in FIG. 1) pushed into the pocket portion 10a from the opening 11 are securely held in the pocket portion 10a.

As shown in FIG. 4, the drain water that has flowed down along the noises 21 and 22 (shown in FIG. 1) pushed into the pocket portion 10a of the harness holding member 10 from the opening 11 Guided downward by 10b (arrows R1, R2 in Fig. 4). Ribs 13 are erected along the edge portions on both sides of the guide portion 10b of the harness holding member 10. The drain water that has also flowed down due to the upward force does not flow sideways by the rib 13, and the lower end of the guide portion 10b Guided to the side. Then, drain water (not shown) that has also drained down the lower end force of the guide portion 10b is drained to the outside.

[0037] Thus, according to the indoor unit of an air conditioner having the above-described configuration, the harnesses 21 and 22 that connect the electrical components arranged in the main body casing are curved in the middle, and the harnesses 21 and 22 are connected. The bent portions 21 &, 22 & are pushed into the pocket portions 10a of the harness holding member 10 fixed to the body casing side, whereby the harness holding member 10 causes the harnesses 21, 22 Hold. Since the pocket portion 10a of the harness holding member 10 is open to the upper side, the curved portions 21a and 22a of the noises 21 and 22 pushed into the pocket portion 10a have the pocket portion 10a with the tip side facing downward. Held in. Therefore, the drain water adhering to the harnesses 21 and 22 drops downward along the curved portions 21 &, 22 & of the harnesses 21, 22 as shown in FIG. 22a acts as a trap. This makes it possible to take measures against drain water with a simple structure without using a tie wrap to bundle the harness and fix it to the main casing, or hook the harness to the hook provided on the main casing. Harnesses 21 and 22 can be easily and securely held, and assembly time can be reduced.

[0038] In addition, by arranging the harness holding member 10 on the front side of the space between the side portion of the indoor heat exchanger (51, 52, 53) and the side surface of the main casing (50, 56), the harness The operation of pushing the curved portions 21a and 22a of 21 and 22 into the pocket portion 10a of the noise retaining member 10 can be easily performed from the front side of the main body casing.

[0039] Further, the guide part 10b provided on the lower side of the pocket part 10a of the harness holding member 10 flows down along the curved parts 21a and 22a of the harnesses 21 and 22 pushed into the pocket part 10a. Since the drain water is guided downward, the drain water adhering to the harnesses 21 and 22 does not jump out, and the drainage can be easily performed by providing a drain pan on the lower side.

[0040] In the above embodiment, the force for holding the harness holding member 10 to the mounting frame 30 is not limited to this. For example, the space between the side portion of the indoor heat exchanger ^ and the side surface of the main body casing It may be a part of the drip-proof cover arranged on the front side of the. Thereby, a part of the drip-proof cover also serves as the harness holding member 10, so that a narrow space can be used effectively and the number of parts and assembly man-hours can be reduced.

[0041] In the above embodiment, for example, both sides of the bending portion 22a bent in the middle of the harness 22 may be bundled by tie wraps 23 (shown in FIG. 1) as an example of a binding portion. . In this case, the bent portion of the harness pushed into the pocket portion of the harness holding member does not come apart and is stabilized in the pocket portion, thereby enabling more reliable holding.

[0042] In the above embodiment, the side portion of the indoor heat exchanger (51, 52, 53) and the main casing (5 The harness holding member 10 disposed on the front side of the space between the side surfaces of (0, 56) has been described, but the harness holding member is not limited to this, and connects the electrical components disposed in the main body casing. You may hold | maintain the harness of another place.

Claims

The scope of the claims

[1] Main casing (50, 56),

A harness (21, 22) for connecting the electrical components arranged in the main casing (50, 56), and

A harness holding member (10) having a pocket portion (10a) opened on the upper side for holding the harness (21, 22);

With

By bending the harness (21, 22) in the middle and pushing the curved portion (21 &, 22a) of the harness (21, 22) into the pocket portion (10a) of the harness holding member (10), An indoor unit of an air conditioner, wherein the harness (21, 22) is held by the harness holding member (10).

[2] In the indoor unit for an air conditioner according to claim 1,

It is provided with indoor heat exchange (51, 52, 53) disposed in the main body casing (50, 56), and the harness holding member (10) is located on the indoor heat exchanger (51, 52, 53) side. An air conditioner indoor unit, wherein the indoor unit is arranged on the front side of a space between the main body casing and the side surface of the main casing (50, 56).

[3] In the indoor unit for an air conditioner according to claim 2,

An indoor unit of an air conditioner, wherein the harness holding member is a part of a drip-proof cover.

[4] The air conditioner indoor unit according to claim 1,

The harness holding member (10) is provided on the lower side of the pocket portion (10a), and the bending portion (21a, 22a) of the harness (21, 22) pushed into the pocket portion (10a). An indoor unit of an air conditioner having a guide part (10b) for guiding drain water flowing along

[5] In the indoor unit for an air conditioner according to claim 1,

An indoor unit for an air conditioner, comprising a binding portion (23) that binds both sides of the curved portion (21a, 22a) of the harness (21, 22).