JPS5855627A - Air conditioner - Google Patents

Abstract

PURPOSE:To make the titled air conditioner compact by a method wherein in the window type air conditioner provided with an indoor heat exchanger, an outdoor heat exchanger and a compressor which are encased in a single box, a centrifugal blower provided with a double-face sucking type impeller serving as an indoor blower and an outdoor blower at the same time is used. CONSTITUTION:In the air conditioner provided with the indoor heat exchanger 1 and the outdoor heat exchanger 10 arranged adjacent to an indoor side opening and an outdoor side opening in the box 16, respectively, the impeller 2 is provided at the back of the indoor heat exchanger 1 so that the air in the room sucked from the direction (a) by the rotation of the impeller 2 is blown into the room from a blowout port 7 after it is introduced into a blowout casing 4. The impeller 2 has an extension 2' in the direction of the axis thereof so as to make the extension serve as the outdoor blower. As a consequence, the open air sucked from the direction (c) by the rotation of the extended impeller 2' is discharged outside the room after it is introduced into a blowout casing 4'. Further, a core plate 17 is provided between the impellers 2 and 2' such that the core plate 17 is supported on a common partition wall 18 separating the blowout casing 4 from the blowout casing 4', by means of receiving sections 19.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a window-mounting system that incorporates an indoor heat exchanger, an indoor blower, an outdoor heat exchanger, an outdoor blower, an electric compressor, and auxiliary equipment into one housing. This relates to the improvement of air conditioners.

A conventional air conditioner of this type, which is an object of improvement of the present invention, will be explained with reference to FIG. 1 is an indoor heat exchanger, 2 is an impeller of an indoor blower provided behind it, and 6 is a driving motor thereof.

Reference numeral 4 denotes a spiral-shaped blower casing provided around the impeller 2. Indoor air sucked in from the direction of arrow a by the rotation of the impeller 2 passes through a front grill 5 and a filter 6, and is then transferred to the indoor heat exchanger 1. The air exchanges heat with the air, enters the air blower casing 4, passes through the spiral passage, and is discharged into the room from the discharge lower. 8 is a wind direction guide plate for adjusting the wind direction, and 9 is a water tray of the indoor heat exchanger 1.

10 is an outdoor heat exchanger provided on the opposite side of the indoor heat exchanger 1, and 11 is a fan of an outdoor blower. fan 11
is coupled to a motor 6 coaxially with the impeller 2, and the motor 6 is attached to the blower casing 4 by a frame 12. 9' is a water tray of the outdoor heat exchanger 10, 13 is an electric compressor, 14 is an air guide that forms a ventilation path of the outdoor heat exchanger 10, and 15 is a part of the interior of the casing 16 that connects the indoor side and the outdoor side. It is a partition plate that separates the sections. On the outdoor side, outside air is sucked in by a fan 11 from an air hole (not shown) provided in the outdoor part of the casing 16, and is heat-exchanged by an outdoor side heat exchanger 10, and is discharged in the direction shown by the arrow.

By the way, it is important to make the air conditioner for this building small and compact, but the conventional structure described above has the impeller 2 of the indoor blower and the fan 11 of the outdoor blower separately, so the casing is too small. The depth of the body 16 becomes longer. In view of this point, the present invention aims to streamline these structures and improve them to a small, compact structure with a short depth to create an air conditioner that has fewer components, is easy to assemble, and has high productivity. That is.

An embodiment of the invention will be described with reference to FIGS. 2 and 6. In the figure, 1 is an indoor heat exchanger, 2 is an impeller of an indoor blower, 6 is a motor, 4 is a blower casing, 5 is a front grill, 6 is a filter, 7 is a discharge port, 8 is a wind direction guide plate, 9 .91 is a water tray, 10 is an outdoor heat exchanger, 12 is a frame, 16 is an electric compressor, 15 is a partition plate, and 16 is a casing.The above structure differs from the conventional structure shown in Fig. 1. However, the present invention is characterized in that the impeller 2 of the indoor blower is extended in the axial direction to serve as the impeller 2' of the outdoor blower. 4+ is a ventilation casing on the outdoor side provided around the impeller 21, and has the same shape and size as the ventilation casing 4 on the indoor side. 7' is its discharge port. Reference numeral 17 denotes a core plate provided at the center of the impeller in the axial direction.
It is divided into two sections and becomes a double-sided suction type impeller. The core plate 17 is extended outside the impeller, and the extended part rotates in a U-shaped receptacle 19 provided in the common wall 18 of the blast casing 4.41. Therefore, the indoor air sucked by the impeller 2 from the direction of arrow O passes through the blower casing A and is discharged indoors from the discharge lower, and the outdoor air sucked by the impeller 2' from the direction of arrow C passes through the blower casing 4. ′
and is discharged outdoors from the discharge lower 1.

Note that there is no difference from that shown in FIG. 1 in that indoor air and outdoor air exchange heat when they pass through the indoor and outdoor heat exchangers 1.10.

As described above, the air conditioner of the present invention is a window-mounted air conditioner in which the indoor heat exchanger 1, the outdoor heat exchanger 10, the electric compressor 16, and the attached equipment are incorporated into one housing 16. In the harmonizer, a centrifugal blower having a double-sided suction type impeller is used as an indoor blower and an outdoor blower, and the impeller is connected to the indoor impeller 2 by a core plate 17 provided at its axial center. It has a shoulder casing 4.4' which is divided into an outer impeller 2' and forms a first independent spiral ventilation passage with the core plate 17 as a boundary. Therefore, compared to the conventional structure shown in FIG. 1, the length of the impeller in the axial direction is slightly longer, but since the fan 11 can be omitted, the depth of the housing 16 can be reduced, and the overall structure can be made small and compact. Furthermore, since the number of parts is reduced due to the simplification of the air blowing mechanism, assembly is facilitated, which has the advantage of improving productivity, and has the effect of achieving the above-mentioned object of the present invention.

[Brief explanation of drawings]

Figure 1: Longitudinal side view of the conventional air conditioner Figure 2: Longitudinal side Ifi diagram of the embodiment of the present invention Figure 6: XY line sectional view of Figure 2

Claims (1)

[Claims] (1) In a window-mounted air conditioner that incorporates an indoor heat exchanger, an outdoor heat exchanger, an electric compressor, and ancillary equipment in one housing, a centrifugal blower with a double-sided suction type impeller is used. In the air conditioner (2, claim (1)), the double-sided suction type impeller is provided with a core plate placed at the center in the axial direction. An air conditioner characterized by having a blower casing that is divided into an indoor impeller and an outdoor impeller, each forming an independent spiral ventilation passage with the core plate as a boundary.