JP5776660B2 - Air conditioning indoor unit - Google Patents

Description

  The present invention relates to an air conditioning indoor unit.

As an air conditioner indoor unit, a unit including a casing, a heat exchanger housed in the casing, and an indoor fan is known (FIG. 1 of Patent Document 1). The casing generally has a front grill and a front panel that covers the front of the front grill. The front panel is supported by a pair of support portions disposed in the vicinity of the upper ends of both ends in the longitudinal direction of the front grille, and can be opened and closed with respect to the front grille by rotating around the support portion.

JP 2011-208826 A

By the way, since the front panel is resin-molded, it easily deforms due to heat shrinkage or the like.
When the deformed front panel is closed with respect to the front grille, the upper part near the center in the longitudinal direction of the front panel may swell and bend away from the front grille. In a portion where the front panel is bent, a large gap is formed between the front grille and the front panel.

Then, an object of this invention is to provide the air-conditioning indoor unit which can suppress the upper part of the longitudinal direction center vicinity of a front panel separating from an indoor unit main body in the state which closed the front panel.

An air conditioning indoor unit according to a first aspect of the present invention is an air conditioning indoor unit that includes an indoor unit main body and a front panel that can be opened and closed with respect to the indoor unit main body. The front panel is rotatable about a pair of support portions disposed in the vicinity of the upper ends of both ends of the indoor unit body in the longitudinal direction. Yes,
A panel engaging portion that is disposed between the pair of support portions and that engages with a main body engaging portion provided in an upper portion of the indoor unit main body in the closed state; When the front panel is closed provided on the product box, the upper surface of the main body engaging portion and the lower surface of the panel engaging portion come into contact with each other, and the panel engaging portion is pulled into the indoor unit main body.
In this air conditioner indoor unit, in the closed state of the front panel, the panel engaging portion of the front panel engages with the main body engaging portion provided at the upper portion of the indoor unit main body. It is possible to suppress the separation from the indoor unit body. Therefore, when the front panel is closed,
Problems with the appearance of the air conditioning indoor unit can be solved.
In this air conditioning indoor unit, in the closed state of the front panel, the panel engaging portion engages with the main body engaging portion provided in the electrical component box, so that the front panel can be brought close to the electrical component box. And when the window part which makes the front panel visually recognize the display part of an electrical component box is provided outside, a window part can be made to adjoin to a display part. Thereby, the light of a display part can be clearly displayed on the exterior of an indoor unit.
In the air conditioning indoor unit pertaining to a second invention, in the first invention, the front panel has a positioning portion formed on the back surface thereof for positioning the electrical component box.
In this air conditioning indoor unit, since the positioning part is provided on the back surface of the front panel, when the front panel is closed, the positioning part aligns the window part of the front panel and the display part of the electrical component box. Can do.

  As described above, according to the present invention, the following effects can be obtained.

  In the first invention, in the closed state of the front panel, it is possible to prevent the upper part near the center in the longitudinal direction of the front panel from being separated from the indoor unit main body, so that the appearance of the air conditioning indoor unit can be made preferable.

In the first invention, in the closed state of the front panel, the window part of the front panel can be brought close to the display part of the electrical component box, so that the light of the display part can be clearly displayed outside the indoor unit.
In the second invention, when the front panel is closed, the positioning of the window on the front panel and the display on the electrical component box can be performed by the positioning portion provided on the back surface of the front panel.

It is a perspective view of an air-conditioning indoor unit concerning an embodiment of the present invention. It is sectional drawing of an air-conditioning indoor unit, and is a figure along the II-II line | wire of FIG. It is a perspective view of an air-conditioning indoor unit in the state where a front panel was removed. It is an enlarged view which shows the main body engaging part and electrical component box periphery of FIG. It is the perspective view which looked at the front panel from the front side. It is a rear view of a front panel. The schematic sectional drawing of the electrical component box periphery in the closed state of a front panel is shown, (a) is sectional drawing of the air-conditioning indoor unit which concerns on embodiment of this invention, (b) is a cross section of the conventional air-conditioning indoor unit FIG. It is a schematic sectional drawing which shows the closing operation of a front panel in order.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

(Overall configuration of air conditioning indoor unit)
The air conditioning indoor unit 100 is a wall-hanging type as shown in FIGS.
0, a heat exchanger 20, an indoor fan 30, a filter 40, an electrical component box 50, and a bottom frame 60 disposed inside the main body casing 10. In addition, a remote control is attached to the air conditioning indoor unit 100, and the air conditioning indoor unit 10 is operated by a user operating the remote control or the like.
Zero operation can be performed.

As shown in FIGS. 1 and 2, the main body casing 10 includes a front grill 10 a and a front grill 10.
a front panel 10b covering the front side of a, and a mounting plate 1 disposed at the rear end of the front grill 10a
0c. A suction port 70 is provided in the upper part of the main body casing 10, and a blower outlet 80 is formed in the lower part. And in this embodiment, the indoor unit main body 90 is comprised by the front grill 10a and the heat exchanger 20, the indoor fan 30, the filter 40, the electrical component box 50, and the bottom frame 60 which are arrange | positioned inside. (See FIGS. 2 and 3).

(Front grill)
As shown in FIG. 3, the front grill 10 a is formed in a substantially rectangular parallelepiped shape, and two openings 12 and 13 partitioned by a partition wall 11 are formed on the front side. Two openings 12,
13 are arranged in the left-right direction in order from the right, and the filter 40 is accommodated therein.
A pair of support portions 14a and 14b for supporting the front panel 10b are provided in the vicinity of the upper portions of the left and right ends of the front grill 10a. The support portions 14a and 14b are concave portions that are recessed toward the other support portion. The support portions 14a and 14b include front panel 10b shown in FIG.
The projections 15a and 15b are fitted.

As shown in FIG. 3, the partition wall 11 has a front surface portion 11a extending from the rear upper part of the front grill 10a to the front surface side, and a main body engaging portion 11b disposed below the front surface portion 11a. . The main body engaging portion 11b is located at the upper portion of the main body casing 10, and as shown in FIG.
It is arranged slightly ahead of a. Thereby, the clearance gap 11c is formed between the front-surface part 11a and the main body engaging part 11b (refer FIG. 7). Here, as shown in the enlarged view of FIG. 4, the upper surface (engagement surface) 11s of the main body engagement portion 11b is an inclined surface that is inclined downward (toward the inside of the air conditioning indoor unit 100) downward. (See FIG. 7). And the front panel 10
When b is closed with respect to the front grill 10a, as shown in FIG. 5, the panel engaging portion 23 provided on the back surface 10s of the front panel 10b is engaged with the main body engaging portion 11b (FIG. 5). , 6 (refer to “Panel engagement portion 23”).

(Front panel)
Returning to FIG. 1, the front panel 10 b is a member that covers the front surface of the main body casing 10, and is supported by a pair of support portions 14 a and 14 b provided at the left and right ends of the front grill 10 a. As a result, the front panel 10b has the front grille 1 around the support portions 14a and 14b.
It is rotatable with respect to 0a and can operate in a hinged manner. In the present embodiment, the longitudinal direction of the air conditioning indoor unit 100 is the left-right direction. The front panel 10b is resin-molded.

As shown in FIGS. 5 and 6, a panel engagement portion 23 that protrudes toward the indoor unit main body 90 is provided on the back surface 10 s of the front panel 10 b in the vicinity of the approximate center in the left-right direction. Here, FIG.
The positional relationship of the panel engaging part 23 etc. is shown, and the parts excluding the partition wall 11 and the electrical component box 50 in the indoor unit main body 90 are omitted.

As shown in FIG. 6, the panel engaging portion 23 is provided at the upper end portion of the back surface 10s of the front panel 10b, and is positioned between the protruding portions 15a and 15b provided at the left and right end portions of the front panel 10b. Further, as shown in FIG. 7A, the panel engaging portion 23 extends obliquely downward away from the back surface 10s of the front panel 10b in the closed state of the front panel 10b, and then is attached to the indoor unit main body 90. It is bent so as to protrude. Thereby, the panel engaging part 23 is
As a whole, it is gently bent so as to be convex toward the main body engaging portion 11b (the main body engaging portion 11b provided on the front grill 10a). Moreover, the lower surface (engagement surface) of the panel engaging part 23
23 s is an inclined surface inclined downward in the backward direction. FIG. 7A shows a cross-sectional view of the air conditioning indoor unit 100 around the electrical component box 50, and is a view along the line VIIA-VIIA in FIG.

As shown in FIGS. 5 and 6, the rear surface 10 s of the front panel 10 b has a window portion 2 in the upper right portion.
4, 25, and 26 are provided in order from the right. In addition, positioning portions 27 and 28 are provided on the left and right sides of the window portions 24, 25 and 26. As shown in FIG. 5, the windows 24, 25, and 26 are arranged at positions facing the electrical component box 50 of the indoor unit main body 90, and the display unit 51 of the electrical component box 50.
The light emitted from the air conditioning indoor unit 100 can be viewed from the outside. As will be described later, the display unit 51 includes a remote control reception unit 52, an operation display unit 53, and human detection units 54a and 5.
4b, of the windows 24, 25, and 26, the window 24 faces the remote control receiver 52, and the windows 25 (25a, 25b, 25c, and 25d) face the operation display unit 53. The unit 26 faces the human detection units 54a and 54b. Moreover, the positioning parts 27 and 28 are arrange | positioned at the left-right both ends of the electrical component box 50, and protrude toward the indoor unit main body 90, as shown in FIG. As shown in FIG. 5, the right positioning part 27 of the two positioning parts 27 and 28 is a front panel 10b.
In the closed state, it is arranged on the right side of the left side surface of the electrical component box 50 and is in contact with the right side surface of the electrical component box 50. On the other hand, the left positioning portion 28 is arranged on the left side of the left side surface of the electrical component box 50 and is in contact with the left side surface of the electrical component box 50 (see FIG. 7).

(Configuration inside the body casing)
Returning to FIG. 2, a three-dimensional space is formed by the front grill 10 a, the front panel 10 b, and the bottom frame 60, and the heat exchanger 20, the indoor fan 30, and the filter 40 are formed in the three-dimensional space.
And the electrical component box 50 is arrange | positioned.

The heat exchanger 20 is formed in an inverted V shape in which both ends are bent downward in a side view,
Attached to the bottom frame 60. In the heat exchanger 20, heat exchange is performed with the passing air.

The indoor fan 30 is disposed below the heat exchanger 20 and blows air taken in from the room against the heat exchanger 20 and then blows it into the room.

The filter 40 is disposed between the front panel 10 b of the main body casing 10 and the heat exchanger 20, and removes dust contained in the air flowing toward the heat exchanger 20.

The electrical component box 50 is disposed in front of the filter 40. The electrical component box 50 is shown in FIG.
As shown in FIG. 2, it is disposed on the right side of the indoor unit main body 90 and is fixed to the front grill 10a.

As shown in FIG. 4, the electrical component box 50 is provided with a display unit 51.
A remote control receiving unit 52 that receives commands from the remote control, and an operation display unit 5 that displays the driving state.
3 and person detection units 54a and 54b for detecting the presence of a person are provided in order from the right. The operation display unit 53 includes four display units 53a, 53b, 53c, and 53d arranged in order from the right side.
It is constituted by.

Next, a state where the front panel 10b is closed with respect to the front grill 10a will be described with reference to FIG. FIG. 7 shows a partial cross-sectional view around the electrical component box (around the front upper part of the air-conditioning indoor unit), and FIG. 7A shows a partial cross-sectional view of the air-conditioning indoor unit 100 of the present embodiment. 7 (b
) Shows a partial cross-sectional view of a conventional air-conditioning indoor unit 200. In FIG. 7, a part of hatching indicating a cross section is omitted. In FIG. 7, the interiors of the indoor unit main bodies 90 and 290 are omitted.

(Front panel closed)
<Conventional>
Since the conventional front panel 210b shown in FIG. 7B is resin-molded like the front panel 10b of the present embodiment, it is easily deformed due to heat shrinkage or the like. When the front panel 210b is closed with respect to the front grill 210a in a state of being thermally contracted, the upper portion swells and bends away from the indoor unit main body 290 as shown in FIG. 7B. Therefore, the gap 210c between the upper portion of the front panel 210b and the front grill 210a is increased, which is not preferable in appearance.

Further, since the front panel 210b is moved away from the electrical component box 250 of the indoor unit body 290, the window 224 of the front panel 210b cannot be brought close to the display unit 251 of the electrical component box 250. As a result, the light emitted from the display unit 251 leaks to the surroundings, and the light of the display unit 251 cannot be read from the outside of the air conditioning indoor unit 200.

<This embodiment>
In the present embodiment, as shown in FIG. 7A, in the closed state of the front panel 10b, the panel engaging portion 23 engages with the main body engaging portion 11b, so that the vicinity of the center in the left-right direction of the front panel 10b. The upper end is drawn to the indoor unit main body 90. As a result, almost no gap is formed between the upper end of the front panel 10b near the center in the left-right direction and the front grill 10a. Therefore, even if the front panel 10b is deformed due to heat shrinkage or the like, it is possible to solve the appearance problem caused by the conventional air conditioning indoor unit 200 in the closed state of the front panel 10b.

Further, the front panel 10b is disposed close to the electrical component box 50 by pulling the upper end of the front panel 10b near the center in the left-right direction toward the indoor unit main body 90. for that reason,
The window part 25d of the front panel 10b and the window parts 24, 25a to 25c, 26 shown in FIG. 5 are arranged close to the display part 51 of the electrical component box 50 (see FIG. 5). As a result, the light emitted from the display unit 51 does not leak to the surroundings, and the air conditioning indoor unit 200 is passed through the windows 24, 25, and 26.
It is emitted outside. Therefore, the light of the display unit 51 can be clearly read from the outside of the air conditioning indoor unit 200.

Next, the closing operation of the front panel 10b of the present embodiment will be described with reference to FIG. In addition, in FIG. 8, the hatching which shows a cross section is attached | subjected to the front panel 10b similarly to FIG.
Other hatching is omitted. In FIG. 8, the interior of the indoor unit main body 90 is omitted.

(When the front panel is closed)
When the front panel 10b is closed, as shown in FIG.
s contacts the upper surface 11s of the main body engaging portion 11b. Here, since the lower surface 23s of the panel engaging portion 23 and the upper surface 11s of the main body engaging portion 11b are both inclined, the panel engaging portion 23 is
It is smoothly drawn into the indoor unit main body 90 through the gap 11c between the front surface portion 11a and the main body engaging portion 11b. Further, the lower surface 23s of the panel engaging portion 23 and the upper surface 11 of the main body engaging portion 11b.
Since s contacts between surfaces and does not contact only at one point, the force is dispersed and does not concentrate on a part.

In addition, as shown in FIG. 5, two positioning portions 27 provided on the back surface of the front panel 10b.
, 28 are arranged on the left and right sides of the electrical component box 50, so that the window portion 2 of the front panel 10b.
4, 25 and 26 are displayed on the display 51 (remote control receiver 52, operation display 53, human detection 54a,
54b) can be positioned in the left-right direction. As a result, when the front panel 10b is in the closed state, the window portion 24 faces the remote control receiving portion 52, the window portion 25 faces the operation display portion 53, and the window portion 26 faces the human detection portions 54a and 54b. Opposed to each other.

(Characteristics of air conditioning indoor unit of this embodiment)
In the closed state of the front panel 10b, the panel engaging portion 23 engages with the main body engaging portion 11b provided on the upper portion of the indoor unit main body 90, so that the upper portion of the front panel 10b near the center in the left-right direction is the indoor unit main body 90. You can deter you from leaving. Therefore, the appearance of the air conditioning indoor unit 100 is preferable in the closed state of the front panel 10b.

Moreover, since the positioning parts 27 and 28 are provided in the back surface 10s of the front panel 10b,
When the front panel 10b is closed, the positioning units 27 and 28 are aligned with the left and right side surfaces of the electrical component box 50, so that the window 24 of the front panel 10b faces the remote control receiving unit 52, and the window 2
5 can be arranged to face the operation display unit 53, and the window 26 can be arranged to face the human detection units 54a and 54b. Thereby, the light of the display part 51 can be clearly displayed on the exterior of the air-conditioning indoor unit 100. FIG.

Furthermore, the upper surface 11s of the main body engaging portion 11b of the front grill 10a and the lower surface 23s of the panel engaging portion 23 of the front panel 10b have inclined surfaces that are inclined downward toward the rear in the closed state of the front panel 10b. doing. Thereby, the panel engaging part 23 can be guide | induced to the inside of the air conditioning indoor unit 200 along the said inclined surface at the time of closing operation of the front panel 10b. Further, since the slope of the main body engaging portion 11b and the slope of the panel engaging portion 23 are in contact with each other and do not make partial contact at only one point, the force is dispersed during the closing operation and is not concentrated in part.

As mentioned above, although embodiment of this invention was described based on drawing, it should be thought that a specific structure is not limited to these embodiment. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.

For example, the configuration in which the main body engaging portion 11b provided in the front grill 10a and the panel engaging portion 23 provided in the front panel 10b are engaged is not limited to the configuration shown in the above-described embodiment.
Specifically, in the above-described embodiment, the panel engaging portion 23 is configured to be engaged with the main body engaging portion 11b by being gently bent so as to be convex toward the main body engaging portion 11b. However, it is not restricted to the said shape as it is the shape which the main body engaging part 11b and the panel engaging part 23 engage.

In the above-described embodiment, the main body engaging portion 11b is provided on the partition wall 11 of the front grill 10a. However, the main body engaging portion 11b is not limited to being provided on the partition wall 11. For example,
The main body engaging portion 11b may be provided in the electrical component box 50. In this case, in the closed state of the front panel 10b, the panel engaging portion 23 engages with the main body engaging portion provided in the electrical component box 50, so that the windows 24, 25, and 26 of the front panel 10b are connected to the electrical component box. 50 display units 51 can be arranged close to each other. As a result, the display unit 51 (remote control receiving unit 52, operation display unit 53,
The light from the human detection units 54a and 54b) can be clearly displayed outside the air conditioning indoor unit 100.

Furthermore, in the above-described embodiment, the two positioning portions 27 and 28 are provided on the back surface of the front panel 10b.
However, the positioning portions 27 and 28 may not be provided on the front panel 10b. Further, the shape, position, number and the like of the positioning portions 27 and 28 can be changed, and the front panel 1
Only one positioning part may be provided in 0b.

In addition, in the above-described embodiment, both the upper surface 11s of the main body engaging portion 11b and the lower surface 21s of the panel engaging portion 23 are inclined surfaces that are inclined downward toward the rear. Only the surface may be an inclined surface inclined downward in the backward direction. Moreover, the structure by which neither surface inclines may be sufficient.

Further, in the above-described embodiment, the panel engagement portion 23 is provided in the vicinity of the substantially center in the left-right direction at the upper end of the back surface 10s of the front panel 10b, but the panel engagement portion 23 is formed on the main body engagement portion 11b. As long as it is arranged at the position to be engaged, the position of the panel engaging portion 23 can be changed.

If this invention is utilized, since the structure which can give the external appearance of an air-conditioning indoor unit in the state which closed the front panel can be provided, it is useful for an air-conditioning indoor unit.

10a, 210a Front grille 10b, 210b Front panel 10s Back surface 11b Main body engaging portion 11s Upper surface (engagement surface)
14a, 14b Support portion 23 Panel engagement portion 23s Lower surface (engagement surface)
24, 25, 26, 224 Window part 27, 28 Positioning part 50, 250 Electrical component box 51,251 Display part 90,290 Indoor unit body 100,200 Air conditioning indoor unit

Claims (2)

The indoor unit body,
An air conditioning indoor unit comprising a front panel that can be opened and closed with respect to the indoor unit body,
The indoor unit main body has an electrical component box including a display unit facing the back surface of the front panel in the closed state,
The front panel is
It is rotatable around a pair of support portions disposed in the vicinity of the upper ends of both ends in the longitudinal direction of the indoor unit body,
A panel engagement portion disposed between the pair of support portions and engaged with a main body engagement portion provided at an upper portion of the indoor unit main body in the closed state;
The main body engaging portion is provided in the electrical component box,
When the front panel is closed, the upper surface of the main body engaging portion and the lower surface of the panel engaging portion come into contact with each other, and the panel engaging portion is drawn into the indoor unit main body side. Machine. The air conditioner indoor unit according to claim 1 , wherein the front panel has a positioning portion formed on a back surface thereof for positioning the electrical component box.

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