JPH10238808A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner in which the number of parts of a receiving part can be reduced, a manufacturing cost can be lowered and a mounting operation can be simplified. SOLUTION: An air conditioner is provided with a receiving part 1 for receiving an operating signal from a remote controller on the surface 2a of a decorative plate 2 arranged on the front surface side of an air conditioner main body. The receiving part 1 holds a printed board 7 having one surface on which a receiving unit 9 for receiving the operating signal is mounted and is provided with a cover member 8 having a through hole 12 for exposing the receiving unit 9 outside. The cover member 8 holding the printed board 7 is removably attached to the decorative plate 2 by engaging engaging parts 13 and 14 with engaged parts 15 and 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative panel disposed on the front side of an air conditioner main body installed at a predetermined installation location, such as a ceiling-mounted type air conditioner or a wall-mounted type air conditioner. The present invention relates to an air conditioner comprising:

[0002]

2. Description of the Related Art An air conditioner having a decorative plate arranged on the front side of an air conditioner body as described above is provided by using a wireless type remote controller (hereinafter, abbreviated as "remote control"). When performing an operation, since the air conditioner body is covered with a decorative board, it is necessary to arrange a receiving unit for receiving an operation signal from a remote controller on the surface of the decorative board.

FIG. 9 is an exploded perspective view showing a configuration example of a receiving section in a conventional air conditioner. The receiving unit is a cover 5
1, a wireless remote control receiving printed circuit board 52, and a mounting table 53. After the printed circuit board 52 is mounted on the mounting table 53, the cover 51 is fixed to the mounting table 53 by screws. 54 locking members 55, 5
5 is attached.

[0004]

In the above configuration example, two parts are required to hold and mount the printed circuit board 52, that is, the cover 51 and the mounting base 53, and the mounting operation is troublesome. Will be. Further, in order to reduce the number of parts, it is conceivable that the mounting table 53 is integrally formed on the decorative board surface 54 in advance, but a decorative board which is considerably larger than the mounting table 53, and It is very difficult to create a mold for integrally molding the mounting base 53 having a complicated structure.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional drawbacks, and has as its object to reduce the number of parts of a receiving section to reduce the manufacturing cost and to simplify the mounting work. It is to provide an air conditioner which can be used.

[0006]

The air conditioner according to the first aspect of the present invention has a decorative plate 2 disposed on the front side of the air conditioner body.
An air conditioner provided on a surface 2a thereof for receiving an operation signal transmitted from a remote operation means for remotely operating the air conditioner main body, wherein the reception unit 1 is a receiving unit for receiving the operation signal. 9 holds the printed circuit board 7 mounted on one surface, and the receiving unit 9
Cover member 8 having through-hole 12 for exposing
It is characterized by being attached to the decorative plate 2.

In the air conditioner of the first aspect, the receiving unit 1
Can be reduced by one in comparison with the conventional configuration. Also, it is only necessary to create a mold for manufacturing the cover member 8, and the manufacturing cost can be reduced. Further, since the number of parts is reduced, the number of steps of the assembling work of the receiving unit 1 is also reduced, so that the assembling can be performed more easily.

In the air conditioner of the second aspect, the cover member 8 has an upper plate portion 17 having the through hole 12 and a groove portion 24 into which the end surface of the printed circuit board 7 is fitted. And a side plate portion 18 provided.

In the air conditioner of the second aspect, the printed circuit board 7 is held by fitting its end face into the groove 24 formed on the inner surface of the side plate 18 of the cover member 8. Since the printed circuit board 7 is held with a relatively simple structure as described above, the printed circuit board 7 can be easily assembled to the cover member 8, thereby facilitating the assembling work of the receiving unit 1. Further, the structure of the mold for manufacturing the cover member 8 may be simple, and the creation of the mold is facilitated.

Further, in the air conditioner of the third aspect, the planar shape of the printed circuit board 7 is rectangular, and the side plate portion 18 is formed.
Is composed of four side plate portions 19, 20, 21, and 22 respectively opposed to the four end faces of the printed circuit board 7.
The groove portion 24 is formed on the inner surface of two specific side plate portions 19 and 21 located at opposing positions among the side plate portions 19, 20, 21 and 22.

In the air conditioner of the third aspect, the printed circuit board 7 is provided with two specific side plate portions 1 located at opposing positions.
The grooves 24 formed on the inner surfaces of the surfaces 9 and 21, respectively,
The end faces are fitted and held, and the movement along the groove 24 is restricted by the remaining two side plate portions 20 and 22 where the groove 24 is not formed. Thereby, the printed circuit board 7 can be stably and reliably held. Further, it is not necessary to form the groove 24 over the entire circumference of the inner surface of the side plate portion 18, so that the structure of the cover member 8 becomes simpler. Along with this, the structure of the mold becomes simpler, and its production becomes easy.

According to the air conditioner of the present invention, the distal end of one of the two side plate portions 19, 21 in which the groove 24 is formed, has a cross section from the groove 24 to the distal end. Is characterized in that the inner surface 25 is formed to be inclined so as to gradually taper toward.

In the air conditioner of the fourth aspect, when assembling the printed board 7 to the cover member 8, first, one end face of the printed board 7 is fitted into the groove 24 of the side plate portion 21 whose inner surface is not inclined. Combine. Subsequently, with the other end face facing the inner surface 25 being pressed against the inclined inner surface 25, the other end face is pushed in against the elastic force of the side plate portions 19, 21 until it is fitted into the groove 24. At this time, the other end surface is guided to the groove 24 along the inclined inner surface 25, so that the assembling operation can be performed smoothly. The side plate portions 19 and 21 are the printed circuit board 7 to be pressed.
However, when the printed circuit board 7 is fitted into the groove 24, the printed circuit board 7 returns to its original position by the resilience of the side plate portions 19 and 21 and holds the printed circuit board 7. By inclining the inner surface 25 of the distal end portion in this way, the operator pushes the printed circuit board 7 without the trouble of expanding the side plate portions 19 and 21 by hand and fitting the printed circuit board 7 into the groove portions 24. Can be assembled to the cover member 8 alone, and workability is improved.

In the air conditioner according to a fifth aspect, the two side plate portions 19 and 21 in which the grooves 24 are formed are formed by a plurality of holding members formed at intervals along the direction in which the grooves 24 are formed. Plates 19a, 19b, 21a, 21b, 21
c, 21d and 21e.

In the air conditioner of the fifth aspect, the printed circuit board 7 includes a plurality of holding plates 19a, 19b, 21a to 21a.
e. Therefore, for example, even if one of the holding plates is pushed outward, the printed circuit board 7 is held by the other holding plate and does not come off. Thereby, the printed circuit board 7 can be reliably held. In addition, since a gap is formed between the holding plates, the air permeability between the holding plate and the through hole 12 is improved, and the heat radiation effect is improved when electronic components that generate heat during operation are mounted on the printed circuit board 7. Can be expected. Further, the side plate portions 19, 21
Is divided into a plurality of holding plates, the amount of the resin material used can be reduced, and the manufacturing cost can be reduced.

In the air conditioner of the present invention, the cover member 8 is provided with a supporting portion 26 for supporting the printed circuit board 7 in contact with the component mounting surface so as not to fall into the inside.
8 is formed on the inner surface.

In the air conditioner of the sixth aspect, the side plate portion 1
The printed board 7 fitted and held in the groove 24 is supported by a support 26 formed on the inner surface of the side plate 18 abutting the component mounting surface. Thus, when the printed board 7 is assembled to the cover member 8 or when the cover member 8 holding the printed board 7 is attached to the decorative board 2, the printed board 7 comes off the groove 24 and drops to the upper plate 17 side. It can be securely held by preventing the intrusion.

In the air conditioner of the present invention, the cover member 8 may be formed by the remaining two side plate portions 20 of the four side plate portions 19, 20, 21, 22 where the grooves 24 are not formed. , 22 on the outer surfaces, respectively.
Are formed on the decorative plate 2, and two engaging portions 15, with which the two engaging portions 13 and 14 are respectively engaged,
16 is formed.

In the air conditioner of the present invention, the engaging portions 13 and 14 for attaching the cover member 8 to the decorative plate 2 are formed on the outer surfaces of the side plate portions 20 and 22 where the grooves 24 are not formed. I have. Therefore, even when the side plate portions 20 and 22 on which the engaging portions 13 and 14 are formed may be pulled outward when the cover member 8 is attached to the decorative plate 2 or the like, the side plate portions 20 and 22 are not Since the printed circuit board 7 is not directly held, the printed circuit board 7 does not come off. Thus, the printed circuit board 7 can be held securely.

In the air conditioner according to the present invention, one of the two engaging portions 13 and 14 is connected to the side plate portion 2.
0 is an engagement piece extending outwardly from the tip of the side plate 2 substantially in parallel with the surface 2a, and the other engagement portion 14 extends outward from a position spaced from the tip of the side plate portion 22. And extending substantially parallel to the surface 2a.
An engagement plate having an engagement hole;
5 and 16, one of the locking portions 15 is
And a parallel portion 34 extending from the tip of the standing portion 32 substantially in parallel with the surface 2a and covering the engaging piece 13. Stop 1
Reference numeral 6 denotes a locking projection which is inserted into the engagement hole 31 and has a stepped portion 36 in which the periphery of the engagement hole 31 is locked.

In the air conditioner of the eighth aspect, when the cover member 8 is attached to the decorative plate 2, first, the engaging piece 13 is first engaged with the one engaging portion while the cover member 8 is inclined with respect to the attachment surface 33. Then, the engaging projection 16 is inserted into the engaging hole 31 of the engaging plate 14, and the peripheral portion of the engaging hole 31 is engaged with the stepped portion 36 to be engaged. Conversely, when detaching, first, the engagement state between the stepped portion 36 and the engagement plate 14 is released by bending the locking projection 16 or the like, and the locking projection 16 is removed.
Is pulled out from the engagement hole 31, and then the engagement piece 13 is pulled out from the one engagement portion 15. Thus, the cover member 8 can be detachably attached to the decorative board 2 with a relatively simple structure.

According to a ninth aspect of the present invention, in the air conditioner, the decorative plate 2 is in contact with the outer surface of the side plate portion 18 to cover the cover member 8.
It is characterized in that positioning members 38, 39, 40, 41 for positioning are formed.

In the air conditioner of the ninth aspect, when the cover member 8 is attached to the decorative plate 2, the positioning members 38, 39, 40, 41 prevent the displacement. Therefore, the cover member 8 can be securely attached to a predetermined place.

According to a tenth aspect of the present invention, in the air conditioner, the cover member 8 has an opening 27 for drawing out a lead wire 6 connecting the electrical component box 5 and the printed circuit board 7 in the air conditioner body to the outside. , In the side plate portion 18.

In the air conditioner of the tenth aspect, since the lead wire 6 can be smoothly drawn out of the cover member 8, no load is applied to the lead wire 6, and the lead wire 6 is disconnected or short-circuited. Can be prevented from occurring.

An air conditioner according to an eleventh aspect is characterized in that the cover member 8 includes a lead wire holding portion 28 for holding the lead wire 6 drawn out near the opening 27.

In the air conditioner according to the eleventh aspect, the lead wire 6 drawn out of the opening 27 is connected to the lead wire holding portion 28.
Is held by the printed circuit board 7
Is always pulled out in a specific direction to restrict movement.
Therefore, no load is applied to the connection portion between the lead wire 6 and the printed circuit board 7, and it is possible to prevent the occurrence of problems such as poor connection and disconnection.

The air conditioner according to the twelfth aspect is characterized in that the receiving unit 1
Are characterized by being arranged in a recess 42 formed in the decorative plate 2.

In the air conditioner according to the twelfth aspect, the receiving portion 1 is prevented from protruding from the decorative plate surface 2a, and the appearance can be improved.

In the air conditioner of the thirteenth aspect, a light emitting element 43 is mounted on one surface of the printed circuit board 7, and a through hole 23 exposing the light emitting element 43 is formed in the cover member 8.
Is formed.

In the air conditioner according to the thirteenth aspect, the light emitting element 43 is provided in the receiving unit 1 so that the operating state of the air conditioner main body can be changed by switching the light emitting element 43 on and off as appropriate. Can be notified. The receiving unit 1 having such a function is most commonly used.

[0032]

Next, an embodiment of the air conditioner of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded perspective view showing a schematic configuration of a receiving unit 1 of an air conditioner according to an embodiment of the present invention, and FIG. 2 is a plan view showing a decorative plate 2 of the air conditioner.

The air conditioner has a decorative plate 2 made of a synthetic resin disposed on the front side of an air conditioner body (not shown) installed in a ceiling or a wall, for example. A receiving unit 1 that receives an operation signal transmitted by wireless communication from a transmitter (remote controller, hereinafter referred to as “remote controller”) for remotely controlling the air conditioner main body is disposed on a decorative board 2 at a predetermined location. Have been. The decorative plate 2 has an inlet 3 and an outlet 4 formed therein. In the configuration example shown in FIG. 2, the receiving unit 1 is arranged on the left side of the outlet 4, but the arrangement place is particularly limited. Instead, the air conditioner may be arranged at an optimum location in consideration of the installation location of the air conditioner and the location where the user operates the remote controller.

The receiving unit 1 is electrically connected to a printed circuit board housed in an electrical component box 5 in the air conditioner main body by a lead wire 6. With reference to FIG.
The cover member 8 holding the printed circuit board 7 is
It is configured to be detachably attached to. Electronic components such as the receiving unit 9 and the connector 10 are mounted on one surface of the printed circuit board 7 which is a component mounting surface. The receiving unit 9 is a component for receiving an operation signal transmitted from the remote controller, and is mounted on the printed circuit board 7 so that the receiving surface 11 faces upward. The connector 10 is a component for connecting the lead wire 6 to a circuit wiring formed on a component mounting surface of the printed circuit board 7.

The cover member 8 has a through hole 12 for exposing the receiving surface 11 of the receiving unit 9 to the outside, holds the printed board 7 by a groove 24 described later, and Each is detachably attached to the decorative board 2 by engaging with the locking portions 15 and 16 formed on the decorative board 2. More specifically, the cover member 8
Is composed of a substantially flat upper plate portion 17 having the through hole 12 and a side plate portion 18 formed to face the end surface of the printed circuit board 7. A groove 24 into which the end face is fitted is formed. Generally, the planar shape of the printed circuit board 7 is a rectangle (including a square). Therefore, the side plate portions 18 are four substantially flat side plate portions 19 and 20 opposed to the four end surfaces of the printed circuit board 7, respectively. , 21 and 22. The groove 24 for fitting and holding the printed circuit board 7 may be formed in all of the side plate portions 18, that is, the side plate portions 19, 20, 21, and 22. However, in the present embodiment, simplification of the structure is taken into consideration. And 4
It is formed only on two side plate portions 19, 21 located at opposing positions among the side plate portions 19, 20, 21, 22 (see FIG. 4B). In this case, the remaining two side plate portions 20 and 22 abut on end surfaces that are not fitted to the groove portions 24, thereby restricting the printed board 7 from moving along the groove portions 24.

As described above, since the printed circuit board 7 is held by the cover member 8, the number of components constituting the receiving section 1 can be reduced by one as compared with the conventional configuration example shown in FIG. . Thus, it is only necessary to create a mold for manufacturing the cover member 8, and the manufacturing cost can be reduced. In addition, since the number of parts is reduced, the number of steps of the assembling work of the receiving unit 1 is also reduced, so that the assembling can be more easily performed and the workability is improved.

Further, since the end surface of the printed circuit board 7 is fitted and held in the groove 24 formed on the inner surface of the side plate 18 of the cover member 8, the holding structure becomes relatively simple. Thus, the printed circuit board 7 can be easily assembled to the cover member 8, and the assembling work of the receiving section 1 becomes easy. Further, the structure of the mold for manufacturing the cover member 8 is also simplified, and the mold can be easily manufactured. In this regard, the manufacturing cost can be reduced. Furthermore, since the printed circuit board 7 can be reliably and stably held without forming the groove section 24 over the entire inner surface of the side plate section 18, the cover member 8
The structure of the mold and the structure of the mold associated therewith can be further simplified, and the assembling work can be facilitated and the manufacturing cost can be further reduced.

Next, a detailed structure of the cover member 8 and a structure for attaching the cover member 8 to the decorative board 2 will be described. FIGS. 3A and 3B are views showing the appearance of the cover member 8, and FIG.
(B) is a side view. 4A and 4B are cross-sectional views of the cover member 8, where FIG. 4A is a cross-sectional view taken along the line a-a of FIG. 3A, and FIG. 4B is a cross-sectional line b of FIG. It is sectional drawing seen from -b. 5A and 5B are views showing the appearance of the cover member 8 holding the printed circuit board 7, wherein FIG. 5A is a plan view and FIG. 5B is a side view. FIG. 6 is a sectional view of the cover member 8 in a cover state where the printed circuit board 7 is held. FIG. 7 is a partially enlarged plan view of the decorative board 2,
FIG. 8 is a sectional view taken along section line VIII-VIII in FIG.

Referring to FIG. 3, cover member 8 includes upper plate portion 17 and side plate portion 18 as described above.
The upper plate portion 17 includes the through-holes 12 for exposing the receiving unit 9 mounted on the printed circuit board 7, and further includes a plurality of light-emitting elements 43 for exposing light emitting elements 43 implemented by light emitting diodes and the like mounted on the printed circuit board 7. 3 in FIG. 3)
3 is provided. By providing the light emitting element 43, the operating state of the air conditioner body can be notified to the user by switching between the lighting state and the lighting state. The receiving unit 1 also having such a notification function is most commonly used.

The side plate portion 18 has four side plate portions 19 to 22.
However, the side plate portions 19 and 21 in which the grooves 24 are formed on the inner surface are respectively provided with two holding plates 19
a, 19b and five holding plates 21a, 21b, 21c,
21d and 21e. These holding plates are
The grooves 24 are arranged at intervals along the extending direction. With the structure in which the printed board 7 is held by the plurality of holding plates, the printed board 7 can be held more reliably and stably. That is, for example, when the cover member 8 holding the printed circuit board 7 is attached to the decorative board 2, a finger of an operator or a protrusion formed on the surface 2a of the decorative board 2 hits the side plate portion, and Can be spread out. In such a case, the side plate portion is 1
If it is a single plate, the printed circuit board 7 may fall out of the groove 24. However, if the printed circuit board 7 is held by a plurality of holding plates, one of the holding plates is expanded and the groove in the holding plate is expanded. Even if the fitting state between the printed circuit board 24 and the printed circuit board 7 is released, the printed circuit board 7 does not come off because it is held by another holding plate. In addition, since there is a gap between the holding plates, the air permeability between the holding plate and the through holes 12 is improved, and thus, when electronic components that generate heat during operation are mounted on the printed circuit board 7, heat radiation occurs. The effect can be expected to be improved. Furthermore, since the side plate portions 19 and 21 are divided into a plurality of holding plates, the amount of the resin material or the like to be used can be reduced, and the manufacturing cost can be reduced.

Referring now to FIG. 4, focusing on the tip of the side plate portion 19 in which the groove 24 is formed,
4 to the tip, the inner surface 2 has a cross-sectional shape that gradually tapers from the groove 24 toward the tip.
5 is formed inclined. Thus the inner surface 25
The work of assembling the printed circuit board 7 to the cover member 8 is facilitated by forming the inclined shape. The procedure of the assembling operation will be briefly described. First, the printed circuit board 7 is inserted into the groove 24 of the side plate portion 21 in which the inner surface of the tip portion is not inclined.
Are fitted at one end face. Subsequently, the printed circuit board 7 is pushed in against the elastic force of the side plate portions 19 and 21 with the other end face facing the inner side surface 25 being pressed. At this time, the other end face is guided along the inner surface 25 to the groove 24 and fitted. Side plate portion 19, 2
1 is pushed outward by the printed circuit board 7 to be pushed in, but when the printed circuit board 7 is fitted into the groove 24, it returns to the original position by the elastic force of the side plate portion and holds the printed circuit board 7. I do. Thus, the side plate portion 1
The operator can open the printed circuit board 7 without having to take the trouble of expanding the substrate 9 by hand and fitting the printed circuit board 7 into the groove 24.
Can be assembled to the cover member 8 simply by pushing the button, and the workability is improved.

Further, a support portion 26 is formed at an appropriate position on the inner surface of the side plate portions 19 to 22 for supporting the printed circuit board 7 in contact with the mounting surface so as not to fall into the upper plate portion 17 side. . In the present embodiment, one side plate portion 19
Two on the side plate portion 21 and one on the side plate portion 22. The provision of the support portion 26 prevents the printed circuit board 7 from being detached from the groove 24 when the printed circuit board 7 is assembled to the cover member 8 or when the cover member 8 holding the printed circuit board 7 is attached to the decorative board 2. Can be held.

As shown in FIG. 5, the cover member 8 has
In the side plate portion 18, the side plate portion 19 in this embodiment, the opening 2 is formed.
7 are formed, and a lead wire holding portion 28 is formed near the opening 27. The opening 27 is for drawing out the lead wire 6 for electrically connecting the printed circuit board 7 and the electrical component box 5 in the air conditioner main body to the outside of the cover member 8. It holds the lead wire 6 that has been drawn out. The lead wire holding portion 28 is configured by facing the hook-shaped members 29 and 30 at intervals.
The lead wire 6 is pushed into and held between the hook-shaped members 29 and 30 from the above-mentioned interval. Accordingly, the lead wire 6 is smoothly pulled out to the outside, and is always drawn in the direction of the lead wire holding portion 28 to restrict the movement. As a result, no load is applied to the lead wire 6 and the connection portion between the lead wire 6 and the printed circuit board 7, and disconnection or short circuit of the lead wire 6 or poor connection at the connection portion between the lead wire 6 and the printed circuit board 7 is prevented. It is possible to prevent problems such as disconnection.

Next, the mounting structure of the cover member 8 and the decorative board 2 will be described. Two engaging portions 13 and 14 are formed on the cover member 8, and the engaging portions 13 and 14 are formed on the decorative plate 2.
Locking parts 15 and 16 with which the respective parts 14 are engaged are formed. Note that, more precisely, the locking portions 15 and 16 are
Is formed on the mounting surface 33, which is the bottom surface of the recess 42 formed in the recess. The engaging portions 13 and 14 are formed of four side plate portions 19.
22 to 22 are formed on the outer surfaces of the remaining two side plate portions 20 and 22 where the groove 24 is not formed. Therefore, even when the side plate portions 20, 22 on which the engaging portions 13, 14 are formed may be pulled outward when the cover member 8 is attached to the decorative plate 2,
Since the reference numerals 0 and 22 do not directly hold the printed circuit board 7, the printed circuit board 7 does not come off.

The shapes of the engaging portions 13 and 14 and the locking portions 15 and 16 will be specifically described. The engaging portion 13 is provided on the side plate portion 20.
Mounting surface 33 (surface 2 of decorative plate 2)
The engagement piece is formed so as to extend substantially parallel to a), and is formed so as to be biased toward the side plate portion 19 side. The width of the engagement piece 13 is selected to be smaller than １ ／ of the width of the side plate portion 20. The engaging portion 14 is located at a position spaced from the tip of the side plate portion 22 (in the present embodiment, substantially at an intermediate position).
This is an engagement plate that extends outwardly from and extends substantially parallel to the mounting surface 33 (the surface 2a of the decorative board 2), and has a rectangular engagement hole 31 substantially in the center. The width of the engagement plate 14 is selected to be slightly smaller than the width of the side plate portion 22. on the other hand,
The locking portion 15 is a standing portion 3 with which the tip of the engagement piece 13 contacts.
2 and the mounting surface 33 (the decorative plate 2)
Parallel part 34 extending substantially parallel to the surface 2a) of the
And Further, a through hole 35 is formed in the mounting surface 33 facing the parallel portion 34. This through hole 35
The engaging piece 13 is temporarily inserted when the cover member 8 is attached or detached. The locking portion 16 is inserted into the engagement hole 31 of the engagement plate 14 and
1 is a locking projection having a stepped portion 36 with which the peripheral portion is locked. Further, on the mounting surface 33 around the locking projection 16,
A U-shaped through hole 37 is formed. This through hole 37
When the cover member 8 is attached and detached,
6 is intended to make it easier to bend.

When attaching the cover member 8 to the decorative plate 2, first, the engaging piece 13 is inserted into the engaging portion 15 to be engaged with the cover member 8 in a posture inclined with respect to the attaching surface 33, and then the cover is While pressing the member 8 in the direction of the mounting surface 33, the locking projection 16 is inserted into the engagement hole 31 of the engagement plate 14, and the stepped portion 36 is engaged with the periphery of the engagement hole 31 to be locked. Conversely, when removing the cover member 8, first, the distal end of the locking projection 16 is manually pressed to bend the locking projection 16, thereby releasing the engagement between the stepped portion 36 and the engagement plate 14, The member 8 is lifted to pull out the engagement plate 14 from the locking projection 16, and then the engagement piece 13 is pulled out from the locking portion 15. Thus, the cover member 8 can be detachably attached to the decorative board 2 with a relatively simple structure.

On the mounting surface 33 of the decorative board 2, positioning members 38, 39, 40, 41 for abutting the outer surface of the side plate portion 18 of the cover member 8 to position the cover member 8 are provided.
It is formed at a predetermined position. The positioning member 38 is a plate-like member having a predetermined length, and is formed at a position where it abuts on the side plate portion 19, and one rib 44 is formed at a substantially central position thereof and on a surface that abuts on the side plate portion 19. Have been.
The positioning member 39 is a plate-shaped member having the same length as the positioning member 38, and is formed at a position in contact with the side plate portion 21. One is formed. Positioning member 40,
Reference numeral 41 denotes a rod-shaped member that extends in the vertical direction from the mounting surface 33 and is formed at a position in contact with the side plate portion 22. Although the positioning member that contacts the side plate portion 20 is not formed, the tip of the engagement piece 13 formed on the outer surface of the side plate portion 20 contacts the upright portion 32 of the locking portion 15. Thereby, it also functions as a positioning member. These positioning members 38
The cover member 8 can be securely attached to a predetermined location without displacement due to the formation of -41.

Further, the cover member 8 is configured to be attached to a recess 42 formed in the decorative board 2. Thereby, the receiving unit 1 is prevented from protruding from the surface 2a of the decorative board 2, and the appearance can be improved.

[0049]

As described above, according to the air conditioner of the first aspect, the number of parts constituting the receiving unit can be reduced.
As a result, the manufacturing cost can be reduced and the assembling operation can be simplified.

According to the air conditioner of the second aspect, the structure for holding the printed circuit board is relatively simple, so that the work of assembling the printed circuit board can be simplified, and the receiving section Is easy to assemble. Also,
Since the mold for manufacturing the cover member also has a relatively simple structure, the mold can be easily formed, and the manufacturing cost can be reduced.

Furthermore, according to the air conditioner of the third aspect, the most commonly used rectangular printed circuit board can be stably and reliably held with a simpler structure.
In addition, with the simplification of the structure of the cover member, the creation of the mold is facilitated, and the manufacturing cost can be further reduced.

According to the air conditioner of the fourth aspect, workability when assembling the printed circuit board to the cover member is improved.

According to the air conditioner of the fifth aspect, the printed circuit board can be stably and reliably held, and the heat from the electronic components mounted on the printed circuit board can be smoothly discharged to the outside. Further, the manufacturing cost can be reduced by reducing the amount of resin material used for manufacturing the cover member.

According to the air conditioner of the sixth aspect, it is possible to prevent the printed circuit board from falling into the upper plate portion side and securely hold the printed circuit board.

According to the air conditioner of the present invention, it is possible to prevent the printed circuit board from dropping off at the time of attaching the cover member to the decorative plate, and the workability is improved.

According to the air conditioner of the eighth aspect, the cover member can be detachably attached to the decorative plate with a relatively simple structure, and the attaching operation is facilitated, and the workability is improved.

According to the air conditioner of the ninth aspect, the cover member can be securely attached to a predetermined place.

According to the air conditioner of the tenth or eleventh aspect, it is possible to prevent the occurrence of an electrical malfunction.
Reliability can be improved.

According to the air conditioner of the twelfth aspect, the aesthetic appearance of the decorative board can be improved.

According to the air conditioner of the thirteenth aspect, the air conditioner includes a receiving unit for receiving an operation signal from a remote control means such as a remote controller, and a light emitting element for notifying a user of an operation state of the air conditioner main body. It can be suitably implemented for the most common receiving section.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view illustrating a schematic configuration of a receiving unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a plan view showing a decorative plate of the air conditioner.

FIGS. 3A and 3B are diagrams showing the appearance of a cover member constituting the receiving unit, wherein FIG. 3A is a plan view and FIG. 3B is a side view.

FIG. 4 is a cross-sectional view of the cover member, and FIG.
FIG. 2A is a cross-sectional view taken along line a-a of FIG.
FIG. 3 is a cross-sectional view taken along line bb in FIG.

5A and 5B are diagrams showing the appearance of a cover member holding a printed circuit board, wherein FIG. 5A is a plan view and FIG. 5B is a side view.

FIG. 6 is a cross-sectional view of a cover member holding a printed circuit board.

FIG. 7 is a partially enlarged plan view of a decorative board.

FIG. 8 is a sectional view taken along section line VIII-VIII in FIG. 7;

FIG. 9 is an exploded perspective view for explaining a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Receiving part 2 Decorative board 2a Surface 5 Electrical component box 6 Lead wire 7 Printed circuit board 8 Cover member 9 Receiving unit 12 Through hole 13 Engaging part 14 Engaging part 15 Engagement part 16 Engagement part 17 Upper plate part 18 Side plate part Reference Signs List 19 side plate portion 19a holding plate 19b holding plate 20 side plate portion 21 side plate portion 21a holding plate 21b holding plate 21c holding plate 21d holding plate 21e holding plate 22 side plate portion 23 through hole 24 groove portion 25 inner surface 26 support portion 27 opening 28 lead wire Holding part 31 Engagement hole 32 Standing part 33 Mounting surface 34 Parallel part 36 Step part 38 Positioning member 39 Positioning member 40 Positioning member 41 Positioning member 42 Depression 43 Light emitting element

Claims (13)

[Claims] 1. A reception for receiving an operation signal transmitted from a remote control means for remotely controlling the air conditioner main body on a surface (2a) of a decorative plate (2) disposed on a front side of the air conditioner main body. In the air conditioner including the unit (1), the receiving unit (1) holds a printed circuit board (7) on which a receiving unit (9) for receiving the operation signal is mounted on one surface, and the receiving unit (1). An air conditioner characterized in that a cover member (8) having a through hole (12) for exposing (9) to the outside is attached to the decorative plate (2). The cover member (8) is provided with the through hole (1).
2) and a side plate (18) formed on the inner surface with a groove (24) into which the end face of the printed board (7) is fitted. The air conditioner according to claim 1. 3. The printed circuit board (7) has a square planar shape, and the side plate portion (18) has four side plate portions (19) (4) opposed to four end surfaces of the printed circuit board (7), respectively. 20), (21) and (22), inside of specific two side plate portions (19) and (21) at opposing positions among the four side plate portions (19), (20), (21) and (22). The air conditioner according to claim 2, wherein the groove (24) is formed on a surface. 4. The tip of one of the two side plate portions (19) (21) in which the groove (24) is formed has a cross-sectional shape from the groove (24). The air conditioner according to claim 3, wherein the inner surface (25) is formed so as to be inclined so as to gradually taper toward the tip. 5. The two side plate portions (19) and (21) in which the grooves (24) are formed, respectively.
A plurality of holding plates (19a) (19b) (21a) (21b) (21) formed at intervals along the forming direction of
5. The air conditioner according to claim 3, wherein c) comprises (21d) and (21e). 6. The cover member (8) has a support portion (26) for supporting the printed circuit board (7) in contact with a component mounting surface so as not to fall into the inside of the cover member (8). The air conditioner according to claim 2, wherein the air conditioner is formed as follows. 7. The cover member (8) comprises, of the four side plate portions (19), (20), (21), and (22), remaining two side plates on which the groove (24) is not formed. The engaging portions (13) are respectively provided on the outer surfaces of the portions (20) and (22).
(14) is formed, and the decorative board (2) has 2
The air conditioner according to claim 3, wherein two engaging portions (15) and (16) are formed to be engaged with the two engaging portions (13) and (14), respectively. 8. One of the two engaging portions (13) (14) is substantially flush with the surface (2a) outward from the tip of the side plate portion (20). The other engaging portion (14) extends parallel to the surface (2 a) and extends outward from a position spaced from the tip of the side plate portion (22). And an engagement plate having an engagement hole (31).
One of the locking portions (15) and (16)
5) is a standing portion (32) with which the tip of the engaging piece (13) comes into contact, and is formed from the tip of the standing portion (32) so as to extend substantially parallel to the surface (2a). Engagement piece (1
3) and a parallel portion (34) that covers the other locking portion (1).
6) An engaging projection which is inserted into the engaging hole (31) and has a step portion (36) in which a peripheral portion of the engaging hole (31) is engaged. Item 7. The air conditioner according to Item 7. 9. The side plate (1) is provided on the decorative plate (2).
The air conditioner according to claim 2, wherein positioning members (38), (39), (40), and (41) for positioning the cover member (8) in contact with the outer surface of (8) are formed. 10. The cover member (8) has an opening (7) for drawing out a lead wire (6) connecting the electrical component box (5) in the air conditioner body and the printed board (7) to the outside. 27. The air conditioner according to claim 2, wherein the side plate portion (18) is provided. 11. The cover member (8) according to claim 10, wherein a lead wire holding portion (28) for holding the lead wire (6) drawn out is provided near the opening (27). Air conditioner. 12. The air conditioner according to claim 1, wherein the receiving section is disposed in a recess formed in the decorative board. 13. The printed board (7) has a light emitting element (43) mounted on one surface thereof, and the cover member (8).
The air conditioner according to claim 1, wherein a through hole (23) for exposing the light emitting element (43) is formed in the air conditioner.