JPH11211136A - Ceiling flush type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling flush type air conditioner wherein a dew-receiving dish, guide and bell-mouse are unified together and a motor harness, etc., are constituted along the lower face of the guide and the top face of a connection of the guide to the bell-mouse 2a. SOLUTION: A dew-receiving dish 7 disposed at a lower part of a heat exchanger 6, guide 8 for uniformly guiding a sucked air to the front 6a of the heat exchanger 6 and bell-mouth 2a disposed between a blower fan 4 and inlet port are formed together, and a motor harness 9, etc., are constituted along the lower face of the guide 8 and the top face of a connection of the guide 8 to the bell-mouse 2a, whereby the motor harness 9, etc., can be well fitted and easily and accurately wired.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-ceiling type air conditioner, and more particularly, to integrally form a dew tray, a guide member and a bell mouth, and to connect a wiring such as a motor harness to the above. The present invention relates to a structure along the lower surface of a guide member and / or the upper surface of a connection portion between the guide member and the bell mouth.

[0002]

2. Description of the Related Art In a conventional ceiling-mounted air conditioner, as shown in FIGS. 14A and 14B, a suction port 2 is provided at the center of the lower surface of a main body casing 1 embedded in a ceiling surface. The main body casing 1 is provided with an air outlet 3 around the lower surface.
A fan motor M and a blower fan having a vertical drive shaft opposed to the suction port 2 in an air passage 5 connecting the suction port 2 and the blow port 3 formed therein; 4 and a heat exchanger 6 are provided,
A lower part of the heat exchanger 6 is provided with a dew tray 7 along which wiring such as the motor harness 9 is provided, and an upper surface is formed in a streamlined manner between the lower part of the heat exchanger 6 and the blower. , The suction air flow from the suction port 2 to the heat exchanger 6
A guide member 8 for guiding substantially uniformly toward the front surface 6a of the
The bell mouth was provided between the blower fan 4 and the suction port 2.

The guide member 8 is disclosed in Japanese Unexamined Patent Publication No.
As disclosed in Japanese Patent Application Publication No. 20, the inner peripheral portion of the upper surface is disposed so as to overlap with the outer peripheral portion of the lower surface of the shroud 4a of the blower fan 4, so that the blower fan The flow on the side of the shroud 4a of FIG. 4 adheres to the upper surface of the guide member 8 to generate a Coanda effect, so that the wind flow is attracted downward, and the separation area of the wind flow from the shroud 4a is effectively reduced. ing.

However, since the motor harness 9 and the like are configured to be clamped by the clamp member on the exterior part of the dew tray 7, they are clamped on a flat portion or a step portion, so that the fit is poor, and ,
The necessity of using a large number of the clamp members has led to poor workability and disadvantageous cost.

[0005]

In view of the above problems, in the present invention, a dew tray, a guide member, and a bell mouth are integrally formed, and wiring such as a motor harness is connected to the lower surface of the guide member and the bellows. Alternatively, it is an object of the present invention to provide a ceiling-embedded air conditioner adapted to be along an upper surface of a connecting portion between the guide member and the bell mouth.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a main body casing embedded in a ceiling with a suction port provided in the center of the lower surface, an air outlet provided in the periphery of the lower surface, and an inside of the main body casing. An air passage connecting the formed suction port and the air outlet, a blower and a heat exchanger including a fan motor and a blower fan having a vertical drive shaft facing the suction port and having a motor harness derived therefrom, Provided, in the lower part of the heat exchanger, provided a dew tray along the wiring of the motor harness, etc., between the lower part of the heat exchanger and the blower, the upper surface is formed in a streamlined, In a ceiling-embedded air conditioner provided with a guide member for guiding a suction air flow from the suction port toward the heat exchanger almost uniformly, and a bell mouth provided between the blower fan and the suction port. And said The tray, the guide member, and the bell mouth are integrally formed, and the wiring such as the motor harness is arranged along the lower surface of the guide member and / or the upper surface of the connection portion between the guide member and the bell mouth. The configuration is as described above.

[0007] Further, a holding means for holding the motor harness and the like is provided at least on the lower surface of the guide member.

Further, the holding means is constituted by a plurality of ribs whose lower parts are opened corresponding to the wiring such as the motor harness.

Further, the rib is formed integrally with the guide member.

The holding means comprises a holding member having a holding portion for holding the motor harness and the like, and a mounting portion for attaching the holding portion to the guide member.

[0011] Further, the holding portion constituting the holding member may be:
An insulator attached to the motor harness and the like, and a support for supporting the insulator, wherein the mounting portion is provided on both sides of the support with a first locking claw at a tip portion. It is configured to include a plurality of first locking pieces and locking holes provided in the guide member corresponding to the first locking pieces.

[0012] Further, the holding portion constituting the holding member may be:
The motor harness or the like includes a holding piece that presses and holds by its own elasticity, and the mounting portion is formed on the guide member corresponding to the second locking piece continuously formed on the holding piece and the second locking piece. And a locking hole provided.

[0013] The holding portion and the mounting portion constituting the holding member may include an engagement hole provided on one side of the guide member and a mounting screw hole provided on the other side. A holder having an insertion hole corresponding to the engagement hole and an engagement piece, wherein the engagement piece is engaged with the engagement hole, and a screw inserted through the insertion hole is inserted into the mounting screw hole. The motor harness and the like are held by screwing.

[0014] Further, the holding part constituting the holding member may be:
The mounting portion comprises a support for supporting the motor harness and the like, wherein the mounting portion has a second locking claw at a tip end thereof, the first locking piece protrudingly provided on both sides of the support, and the first engagement member. It is configured to include the locking hole provided in the guide member corresponding to the stop piece.

[0015] The holding member may include a third locking claw for holding the motor harness or the like at a distal end thereof, and a pair of first hanging pieces having elasticity and hanging down from the lower surface of the guide member. Configuration.

[0016] Further, the holding member has a fourth locking claw for locking to the motor harness or the like at a distal end thereof, and has a substantially L-shaped second shape which is elastic and hangs down from the lower surface of the guide member. It has a configuration consisting of hanging pieces.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings as examples. 1 to 1
0, FIG. 11 (A) and FIG. 11 (B), FIG.
In FIG. 13 and FIG. 13, reference numeral 1 denotes a main body casing that is embedded in a ceiling to constitute a ceiling-embedded air conditioner, 2 denotes a suction port provided in the center of the lower surface 1 a of the main body casing 1, and 3 denotes a lower surface
Air outlets provided around 1a are the main casing 1
An air passage formed so as to pass through the suction port 2 and the air outlet 3 inside the air passage 5.
A heat exchanger 6 and a blower including a fan motor M having an up-down drive shaft and a motor harness 9 and a blower fan 4 are provided so as to face the heat exchanger 6, and a heat exchanger 6 is provided between the blower fan 4 and the suction port 2. Is provided with a bell mouth 2a.

A dew tray 7 is provided at a lower portion of the heat exchanger, and an upper surface is formed in a streamlined manner between the lower portion of the heat exchanger 6 and the blower so that the suction from the suction port 2 is performed. A guide member 8 for guiding the air flow substantially uniformly toward the front surface 6a of the heat exchanger 6 is provided continuously.

By providing the guide member 8,
As described above as the related art, the flow on the shroud 4a side of the blower fan 4 adheres to the upper surface of the guide member 8 to generate a Coanda effect, whereby the wind flow is attracted downward, and the wind flow from the shroud 4a. Is effectively reduced so that the suction airflow from the suction port 2 is uniformly guided toward the front surface 6a of the heat exchanger 6.

The dew receiving tray 7, the guide member 8, and the bell mouth 2a are integrally formed, and as shown in FIG. 3 as a first embodiment, wiring such as the motor harness 9 is connected to the guide. The configuration is such that it is arranged along the lower surface of the member 8, so that the above-described problems of the prior art can be solved, and the wiring of the motor harness 9 and the like does not deteriorate. In addition, it is not necessary to use a large number of the clamp members, so that the workability can be improved and the structure is advantageous in terms of cost.

The dew receiving tray 7 and the guide member 8
And the bell mouth 2a are integrally formed, and wiring such as the motor harness 9 is connected to the guide member 8 and the bell mouth 2a as shown in FIG.
In this manner, the wiring of the motor harness 9 and the like does not deteriorate, as described above. It is not necessary to use a large number of members, so that workability can be improved, and the structure is advantageous in terms of cost.

The dew receiving tray 7 and the guide member 8
And the bell mouth 2a are integrally formed, and as shown in FIG. 10 as a third embodiment, wiring such as the motor harness 9 and the board harness 9 is connected to the lower surface of the guide member 8 and / or The guide member 8 and the bell mouth 2a are configured so as to be along the upper surface of the connection portion, and thus, as described above,
The wiring of the motor harness 9 and the board harness 9 and the like does not deteriorate, and it is not necessary to use a large number of the clamp members, so that the workability can be improved and the structure is advantageous in cost. Becomes Any one of the first to third embodiments described above may be selected according to the design convenience or the like.

Further, at least a holding means for holding the motor harness 9 and the like, which will be described later, is provided on at least the lower surface of the guide member 8, so that the motor harness 9 is provided.
And the like can be easily and more accurately held.

Further, as shown in FIG. 5 as a fourth embodiment and FIG. 6 as a fifth embodiment, holding means for holding the motor harness 9 and the like, as shown in FIG. In response to wiring such as harness 9,
It is composed of a plurality of ribs 8a and / or ribs 8a 'opening at the lower part, whereby the motor harness 9 and / or the board harness 9 and the like are opened from the rib 8a and / or the opening of the rib 8a'. Can be easily and accurately fitted and held.

The rib 8a and / or the rib
By forming the 8a 'integrally with the guide member 8, the dimensions and shape can be accurately finished and the cost is advantageous.

Further, a holding means for holding the motor harness 9 and the like includes a holding portion to be described later for holding the motor harness 9 and the like, and the holding portion is connected to the guide member 8.
And a holding member to be described later provided with a mounting portion to be described later, so as to prevent the wiring of the motor harness 9 and the like from becoming too tight as described above. In addition, the motor harness 9 and the like can be held more accurately.

Further, as shown in FIG. 7 as a sixth embodiment, a holding portion constituting a holding member for holding the motor harness 9 and the like is provided with an insulator 10 attached to the motor harness 9 and the like. A mounting portion for supporting the insulator 10, and a plurality of mounting portions for mounting to the guide member 8, each of which is provided with a first locking claw at a distal end portion and protrudingly provided on both sides of the supporting body 11. It is configured to include a first locking piece 11a and a locking hole 8b provided in the guide member 8 corresponding to the first locking piece 11a. While insulating and protecting with the insulator 10,
The structure is such that it can be held more accurately by the support 11.

As shown in FIG. 8 as a seventh embodiment, a holding portion constituting a holding member for holding the motor harness 9 and the like presses and holds the motor harness 9 and the like by its own elasticity. The holding portion for attaching to the guide member 8 comprises a holding piece 11 '.
1 'and a second locking piece 11a'
locking hole 8b 'provided in guide member 8 corresponding to a'
With this configuration, the motor harness 9 and the like are accurately pressed and held by the holding pieces 11 ′, and the second locking pieces 11 a ′ are held by the locking holes 8 b ′. The structure can be locked accurately.

As shown in FIG. 9 as an eighth embodiment, a holding portion and a mounting portion constituting the holding member are provided with an engagement hole 8b 'provided on one side of the guide member 8 and another side. The holding body 11 ′ includes a mounting screw hole (not shown) provided in the mounting hole, an insertion hole (not shown) corresponding to the mounting screw hole and the engagement hole 8 b ′, and an engagement piece 11 a ″. The engaging piece 11a '' is engaged with the engaging hole engaging hole 8b ', and the screw 12 is inserted through the inserting hole (not shown).
Is screwed into the mounting screw hole (not shown) to hold the motor harness 9 and the like.
Thereby, the motor harness 9 and the like can be accurately sandwiched and held between the guide member 8 and the holding body 11 ″.

Further, the holding part constituting the holding member is
As shown in FIGS. 11A and 11B as a ninth embodiment, a support for supporting the motor harness 9 and the like
An attachment portion for attaching to the guide member 8, the first engagement piece 11 a having a second engagement claw at a tip end and protruding from both sides of the support body 11, Locking piece 11a
The locking hole 8b provided in the guide member 8 corresponding to
Thus, the motor harness 9 and the like can be easily and accurately held by the support 11.

A holding member for holding the motor harness 9 and the like, as shown in FIG.
A third locking claw for holding the motor harness 9 and the like is provided at the distal end, and has a configuration including a pair of first hanging pieces 8c having elasticity and hanging down from the lower surface of the guide member 8, Thus, the motor harness 9 and the like can be easily and accurately held by the first hanging piece 8c having a simple configuration.

As shown in FIG. 13 as an eleventh embodiment, a holding member for holding the motor harness 9 and the like is provided with a fourth locking claw for locking the motor harness 9 and the like at the distal end. And a substantially L-shaped second hanging piece 11c 'hanging from the lower surface of the guide member 8 with elasticity, so that the motor harness 9 and the like can be
The second hanging piece 11c 'having a simple structure can be easily and accurately held.

With the above configuration, the first to third embodiments described above with reference to FIGS. 1 to 10, FIGS. 11A and 11B, FIGS. As described in the eleventh embodiment, the above-described problems of the related art can be solved, so that the wiring of the motor harness 9 and the like does not deteriorate, and a large number of the clamp members are used. This eliminates the need to improve workability, and also makes the ceiling-mounted air conditioner advantageous in terms of cost. It should be noted that any one of the first to first embodiments described above may be employed depending on the design convenience or the like.

[0034]

As described above, according to the present invention, the exposure tray, the guide member, and the bell mouth are integrally formed, and the wiring such as the motor harness is connected to the lower surface of the guide member and / or the guide member and the bell member. The ceiling-mounted air conditioner is arranged along the upper surface of the connection with the bellmouth.

[Brief description of the drawings]

FIG. 1 is a sectional view of a ceiling-mounted air conditioner according to the present invention.

FIG. 2 is a bottom view of the ceiling-mounted air conditioner according to the present invention.

FIG. 3 is a sectional view of a main part showing a first embodiment of a ceiling-embedded air conditioner according to the present invention.

FIG. 4 is a sectional view of a main part showing a second embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 5 is a sectional view showing a main part of a fourth embodiment of the recessed ceiling air conditioner according to the present invention.

FIG. 6 is a sectional view showing a main part of a fifth embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 7 is a sectional view showing a sixth embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 8 is a sectional view showing a main part of a seventh embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 9 is a sectional view showing a main part of an eighth embodiment of the ceiling-embedded air conditioner according to the present invention.

FIG. 10 is a cross-sectional view of a principal part showing a third embodiment of an embedded ceiling air conditioner according to the present invention.

FIG. 11 is a sectional view showing a ninth embodiment of an embedded ceiling air conditioner according to the present invention.

FIG. 12 is a sectional view showing a main part of a tenth embodiment of the ceiling-mounted air conditioner according to the present invention.

FIG. 13 is a cross-sectional view of a principal part showing an eleventh embodiment of the embedded ceiling air conditioner according to the present invention.

14A and 14B are explanatory diagrams of a ceiling-embedded air conditioner according to a conventional example, in which FIG. 14A is a cross-sectional view and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body casing 1a Bottom surface 2 Suction port 2a Bell mouth 3 Blow-out fan 4a Shroud 5 Air passage 6 Heat exchanger 6a Front face of heat exchanger 7 Dew tray 8 Guide member 8a, 8a 'Rib 8b, 8b' Lock ( Engagement) hole 8c First hanging piece 9 Motor harness M fan motor 10 Insulator 11 Support 11 'Nipping piece 11 "Holding body 11a First locking piece 11a' Second locking piece 11a" Engagement piece 11c '' Second hanging piece 12 screw

Claims (11)

[Claims] An air passage is provided at a center of a lower surface of a main body casing embedded in a ceiling surface, an air outlet is provided around a lower surface, and an air passage connecting the air inlet formed in the main body casing and the air outlet is provided. In addition, a blower and a heat exchanger comprising a fan motor and a blower fan having a vertical drive shaft facing the suction port and having a motor harness derived therefrom are provided,
A lower part of the heat exchanger is provided with a dew tray along which wiring such as the motor harness is provided, and an upper surface is formed in a streamlined manner between the lower part of the heat exchanger and the blower, and the suction port is provided. A guide member that guides the suction airflow from the heat exchanger toward the heat exchanger almost uniformly, and a bell mouth provided between the blower fan and the suction port. The tray, the guide member, and the bell mouth are integrally formed, and the wiring such as the motor harness is arranged along the lower surface of the guide member and / or the upper surface of the connection portion between the guide member and the bell mouth. A ceiling-mounted air conditioner characterized in that: 2. A ceiling-embedded air conditioner according to claim 1, wherein holding means for holding the motor harness and the like is provided at least on a lower surface of the guide member. 3. The ceiling-embedded air conditioner according to claim 2, wherein said holding means comprises a plurality of ribs having a lower portion opened corresponding to the wiring of the motor harness or the like. 4. The air conditioner according to claim 2, wherein the rib is formed integrally with the guide member. 5. The holding device according to claim 3, wherein the holding unit includes a holding unit that holds the motor harness and the like, and a mounting unit that attaches the holding unit to the guide member. Ceiling-mounted air conditioner. 6. A holding portion constituting the holding member includes an insulator attached to the motor harness and the like, and a support for supporting the insulator. A plurality of first locking pieces provided with locking claws and protruding on both sides of the support, and locking holes provided in the guide member corresponding to the first locking pieces. The ceiling-mounted air conditioner according to claim 5, wherein 7. A holding portion constituting the holding member includes a holding piece for pressing and holding the motor harness and the like by its own elasticity, and the mounting portion includes a second locking piece continuously formed on the holding piece. The ceiling-embedded air conditioner according to claim 5, further comprising a locking hole provided in the guide member corresponding to the second locking piece. 8. A holding portion and a mounting portion constituting the holding member, an engagement hole provided on one side of the guide member and a mounting screw hole provided on the other side, and a mounting screw hole provided on the other side. A holder having an insertion hole corresponding to the engagement hole and an engagement piece, wherein the engagement piece is engaged with the engagement hole, and a screw inserted through the insertion hole is inserted into the mounting screw hole. The ceiling-embedded air conditioner according to claim 5, wherein the motor harness or the like is held by screwing. 9. A holding portion constituting the holding member is formed of a support for supporting the motor harness or the like, and the mounting portion is provided with a second locking claw at a distal end thereof and protrudes from both sides of the support. The ceiling embedded type according to claim 5, comprising: the first locking piece provided; and the locking hole provided in the guide member corresponding to the first locking piece. Air conditioner. 10. The holding member has a third locking claw for pinching the motor harness or the like at a distal end portion, and a pair of first hanging pieces having elasticity and hanging down from a lower surface of the guide member. The ceiling-embedded air conditioner according to claim 5, wherein 11. A substantially L-shaped second member that has a fourth locking claw that locks to the motor harness or the like at a tip end thereof and that has an elasticity and hangs from a lower surface of the guide member. The ceiling-embedded air conditioner according to claim 5, comprising a hanging piece.