JPS6229688B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an air conditioner such as a wall-mounted or floor-standing air conditioner. The purpose is to reduce noise by directing the air to the outlet in a rectified manner.

Conventionally, for example, a wall-mounted indoor unit has been designed as shown in FIGS. 1 and 2. In other words, the wall-mounted indoor unit is equipped with a heat exchanger 2 (acts as an evaporator during cooling and a condenser during heating) in its suction port 1, and a crossflow fan 3 that blows cold air or air into the room from an outlet 4. It blows out warm air. Therefore, during heating, when the heating capacity is insufficient, the auxiliary heater 5 is energized to compensate for the insufficient heating capacity. As shown in FIG. 2, this auxiliary heater 5 has a holding fitting 8 for holding the heater main body 7 and locking it to the radiant heat shield plate 6 provided on the back panel, a bent piece 9, and a mounting piece. On the other hand, a mounting piece 10a is also provided at the other end of the heater body 7 to maintain a gap 11 between the radiation heat shield plate 6 and the heater body 7. Further, the heater main body 7 was screwed to the mounting pieces 10, 10a using a fixing band 12. However, in this method, the air that has passed through the heat exchanger 2 comes into contact with the heater body 7 and becomes turbulent while flowing to the cross flow fan 3 side, which causes an increase in noise level and also causes the plurality of fixing bands 12 to be damaged. Due to its use, it has disadvantages such as a large number of parts and a large number of man-hours.

The present invention solves the above-mentioned conventional drawbacks, and one embodiment thereof will be described below with reference to FIG. 3.

15 is a heater body provided in a meandering shape; 16
17 is a flat plate-like fixing fitting that holds the heater main body 15; 17 is a mounting piece provided on each fixing fitting 16 and bent to be attached to the radiant heat shield; 18 is a mounting piece provided on each fixing fitting 16; 19 is an elongated hole into which the central pipe portion of the heater body 15 is inserted; 19 is an insertion hole provided above and below the elongated hole 18 of each fixing fitting 16; this insertion hole 19 has a protruding bur ring 20 machined therein; is applied. Further, this bur ring 20 is fixed by caulking 21 at the place where it contacts the heater main body 15. In addition, the elongated hole 18 and the insertion hole 19 are connected to the fixing metal fitting 1.
It is located closer to the heat exchanger than the vertical center of the plate 6, and is provided so that a gap is created between it and the radiation heat shielding plate, while also being provided so that a gap is created between it and the heat exchanger. 22 is a notch provided in each mounting piece 17 for fixing to the radiation heat shield plate with screws, 23 is an insulated terminal made of resin for electrical insulation, and 24 is a lead wire.

Note that the other configurations are the same as those of the conventional example shown in FIG. 1, and their explanation will be omitted.

In the above configuration, when the insulated terminals 23 and lead wires 24 of the heater body 15 are not attached, each fixing fitting 16 is inserted from the direction of arrow A using the elongated hole 18 and the insertion hole 19. be. Then, caulking 21 is performed as appropriate using a tool or the like. This crimping 21 may be performed over the entire insertion hole 19 or may be performed at intervals.The crimping 21 is performed with a tool while holding down the bur ring 20, and the mounting piece 17 and the radiant heat shield are This is to fix the plate (Fig. 1). After that,
The insulated terminal 23 and lead wire 24 are connected.

According to such a configuration, the heater main body 15 is mounted using a flat plate-shaped fixing metal fitting 16, and this fixing metal fitting 16 is made to face the plate fins of the heat exchanger in the same way, so that the air passing through the heat exchanger is However, since the air flows toward the crossflow fan while being rectified by the fixing fitting 16, the degree of turbulence is reduced.
Noise is reduced slightly. In addition, the number of parts is reduced compared to the conventional one, and the structure is simple, which provides practical effects.

As described below, according to the present invention, the number of parts is reduced, and the flat fixing metal fitting for attaching the heater body acts to rectify the air flow caused by the fan, so turbulence inside the device is reduced. An air conditioner having the effect of reducing noise can be obtained.

[Brief explanation of the drawing]

Fig. 1 is a schematic sectional view of a wall-mounted indoor unit for explaining a conventional example, Fig. 2 is a perspective view of a conventional heater main body, and Fig. 3 is a heater main body of an air conditioner that is an embodiment of the present invention. FIG. 15...Heater body, 16...Fixing metal fittings, 1
7...Mounting piece, 18...Elongated hole, 19...Insertion hole.

Claims (1)

[Claims] 1. It has a heat exchanger and an auxiliary heater installed between the heat exchanger and the indoor ventilation fan, and includes a meandering heater body, a long hole inserted into the heater body, and an insertion hole. An air conditioner in which an auxiliary heater is composed of a flat plate-shaped fixture with holes, etc., and a mounting piece provided integrally with the fixture, and the fixture performs air rectification on an air circulation path.