JP2001004203A - Ceiling flush type air-conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To optimize the length of an earth lead wire, to eliminate the need for a wiring lock, such as a clamp, to improve workability, and to prevent the unnecessary increase of a cost by a method wherein an earth terminal situated in an electric accessory box is formed approximately in a rectangular shape and a plurality of terminal parts are situated in a longitudinal direction. SOLUTION: This air-conditioner is formed such that a case body embedded in a ceiling is provided at the bottom opening of a case body with a suction grill having a suction port formed in a central part. A decorative panel having an air outlet is situated at the periphery thereof, and an electric accessory box 9 covered with an electric accessory cover 10 and provided with an earth terminal 12 consisting of an earth plate and a terminal part 13 and a terminal is situated at the outside of a bell mouth situated inside the suction port and vertically divided. In this case, the earth plate is formed approximately in a rectangular shape and the terminal parts 13 are situated in a plurality of spots arrayed in a longitudinal direction.

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 a grounding terminal provided in an electrical component box having a substantially rectangular shape and having a plurality of terminals in a longitudinal direction thereof. The present invention relates to a structure in which a portion is provided to optimize the length of a ground lead wire, eliminate the need for a wire stop such as a clamp, improve workability, and prevent unnecessary cost increases.

[0002]

2. Description of the Related Art As shown in FIG. 1, for example, a conventional ceiling-embedded air conditioner has a suction grill having a suction opening 2 in the center at a bottom opening of a case body 1 embedded in the ceiling. A decorative panel 4 having a blow-out port 3 around the blower 5 and a heat exchanger 6 in an air passage connecting the suction port 2 and the blow-off port 3;
The bell mouths 7 and 8 which are divided into upper and lower parts are provided on the inside, and an electrical component box 9 provided with an earth terminal and a terminal (not shown) covered by an electrical cover 10 is provided outside the bell mouths 7 and 8. Met.

However, since the ground terminal (not shown) is provided at one place of the electrical component box 9 and has a structure in which a plurality of ground leads are concentrated, electrical parts (not shown) are scattered at each place. In such a case, the ground lead wire becomes longer than necessary, so that it is necessary to stop the wiring such as a clamp, which is disadvantageous in terms of cost and deteriorates workability.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, in the present invention, a ground terminal provided in an electrical component box is formed in a substantially rectangular shape, and a plurality of terminal portions are provided in the longitudinal direction. Another object of the present invention is to provide a ceiling-embedded air conditioner in which the length of the ground lead wire is optimized, wiring work such as a clamp is not required, workability is improved, and unnecessary cost increase is prevented.

[0005]

According to the present invention, in order to solve the above-mentioned problems, a suction grille having a suction opening in the center is provided at a bottom opening of a case body buried in a ceiling, and a blowing grill is provided around the opening. A decorative panel provided with an outlet is provided, and a blower and a heat exchanger are provided in an air passage connecting the suction port and the outlet, and a bell mouth is provided inside the suction port,
The ceiling-mounted air conditioner, which is provided with an electrical component box covered with an electrical cover outside the bell mouth and having a ground terminal and a terminal including a ground plate and a terminal portion, wherein the ground plate has a substantially rectangular shape. In addition, the terminal portions are provided at a plurality of positions in the longitudinal direction.

Further, a step is provided on the earth plate,
The terminal portion is provided in the same stage.

A mounting portion for attaching the ground terminal to the electrical component box includes a locking claw having a substantially L-shaped cross section formed continuously on one side of the ground plate and an extending portion extending on the other side. And a locking hole provided in the electrical component box corresponding to the locking claw. The locking claw is locked in the locking hole, and the extension is pressed by the terminal. It is configured to be attached.

[0008] Further, a recess for accommodating the earth plate and the extension portion is formed continuously in the electrical component box, and the locking hole is provided on one side of the recess.

Further, a plurality of the locking claws are provided at both ends of the ground plate, and a plurality of the locking holes are provided corresponding to the locking claws.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. 1 to 7
As shown in the figure, 1 is a case main body of a ceiling-embedded type air conditioner buried in a ceiling, and 4 is provided at a bottom opening of the case main body 1 and has a suction grill which forms a suction port 2 in the center. , A decorative panel having an outlet 3 around it, 5 a blower provided in an air passage connecting the inlet 2 and the outlet 3, 6 a heat exchanger, 7 and 8 inside the inlet 2. A bell mouth 9 which is provided in a vertically divided manner is covered by an electrical cover 10 on the outside of the bell mouths 7 and 8, and an earth terminal comprising an earth plate and a terminal portion 13.
It is an electrical component box with 12 and terminal 14 attached.

The ground plate is formed in a substantially rectangular shape, and the terminal portions 13 are provided at a plurality of locations in the longitudinal direction, so that the connection terminal 15 shown in FIG. The provided ground lead wire is not made longer than necessary, so that it is not necessary to stop wiring such as a clamp, which is advantageous in terms of cost, and the workability can be improved.

Further, by providing a step portion 12b on the ground plate and providing the terminal portion 13 on the step portion 12b, the terminal portion 13 for connecting the connection terminal 15 by screwing a screw 16 thereto.
The position is easily understood and the workability is improved.

Further, the grounding terminal 12 is connected to the electrical component box 9.
A mounting portion for attaching the locking claw 12a corresponding to the locking claw 12a having a substantially L-shaped cross section continuously formed on one side of the ground plate and an extending portion 12c extending to the other side. And a locking hole 9a provided in the electrical component box 9. The locking claw 12a is locked in the locking hole 9a.
By mounting the terminal 12c by pressing the terminal 14 with the terminal 14, the ground terminal 12 can be easily and accurately mounted without, for example, screwing, thereby improving workability. Has become.

The electric component box 9 is formed with a recess 9b for accommodating the ground plate and the extension 12c, and the locking hole 12a is provided on one side of the recess 9b. The ground plate and the extension 12c can be easily and accurately positioned, and at the same time, the extension 12c can be accurately pressed by the terminal 14.

Further, a plurality of locking claws 12a are provided at both ends of the ground plate, and a plurality of locking holes 9a are provided corresponding to the locking claws 12a.
It is configured so that a can be locked accurately and firmly.

With the above configuration, as shown in FIGS. 1 to 7, the earth plate is formed in a substantially rectangular shape, and the terminal portions 13 are provided at a plurality of locations in the longitudinal direction. As in the prior art described above, the ground lead wire having the connection terminal 15 is prevented from being unnecessarily long, so that it is not necessary to stop a wire such as a clamp, which is advantageous in cost, and can improve workability. It becomes a ceiling-mounted air conditioner.

[0017]

As described above, according to the present invention, the ground terminal provided in the electrical component box is formed in a substantially rectangular shape, and a plurality of terminal portions are provided in the longitudinal direction, whereby the length of the ground lead wire is reduced. The ceiling-mounted air conditioner has been optimized to eliminate the need for clamps and other wiring stops to improve workability and prevent unnecessary cost increases.

[Brief description of the drawings]

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

FIG. 2 is an exploded perspective view of a main part of the ceiling-mounted air conditioner according to the present invention.

FIG. 3 is an exploded perspective view of a main part of the ceiling-mounted air conditioner according to the present invention.

FIG. 4 is an exploded cross-sectional view of a main part of the ceiling-mounted air conditioner according to the present invention in a state before a ground terminal is attached.

FIG. 5 is a fragmentary cross-sectional view showing a state where the ceiling-embedded air conditioner according to the present invention is mounted on a ground terminal.

FIG. 6 is a cross-sectional view of a principal part showing a state where the ceiling terminal according to the present invention is mounted on a ground terminal.

FIG. 7 is a cross-sectional view of a main part showing a state after mounting a ground terminal on the ceiling-embedded air conditioner according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case main body 2 Inlet 3 Outlet 4 Decorative panel 5 Blower 6 Heat exchanger 7, 8 Bellmouth 9 Electrical component box 9a Locking hole 9b Depression 10 Electrical cover 11 Fan guard 12 Ground terminal 12a Locking claw 12b Step 12c Extension 13 Terminal 14 Terminal 15 Connection terminal 16 Screw

Claims (5)

[Claims] 1. A bottom face opening of a case body embedded in a ceiling is provided with a suction grille constituting a suction port in the center and a decorative panel provided with a blowout port around the grille. In addition to providing a blower and a heat exchanger in an air passage connecting the bell mouth, a bell mouth is provided inside the suction port, and an outside cover of the bell mouth is covered by an electrical cover, and an earth terminal and a terminal including an earth plate and a terminal portion are provided. A ceiling-embedded air conditioner provided with an attached electrical component box, wherein the ground plate is formed in a substantially rectangular shape, and the terminal portions are provided at a plurality of positions in a longitudinal direction thereof. Embedded air conditioner. 2. The ceiling-embedded air conditioner according to claim 1, wherein a step is provided on the ground plate, and the terminal is provided on the step. 3. A mounting portion for mounting the ground terminal on the electrical component box, a locking claw having a substantially L-shaped cross section continuously formed on one side of the ground plate, and an extending portion extending on the other side. And a locking hole provided in the electrical component box corresponding to the locking claw. The locking claw is locked in the locking hole, and the extension is pressed by the terminal. The ceiling-mounted air conditioner according to claim 1, wherein the air conditioner is mounted by mounting. 4. The electric component box, wherein a concave portion for accommodating the ground plate and the extension portion is formed continuously, and the locking hole is provided on one side of the concave portion.
The ceiling embedded type air conditioner according to claim 2 or 3. 5. The locking plate according to claim 3, wherein a plurality of locking claws are provided at both ends of the ground plate, and a plurality of locking holes are provided corresponding to the locking claws. 2. The ceiling-mounted air conditioner according to 1.