JPH0441257B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an improvement in the air guider of a propeller fan with a water splash ring that improves the heat exchange performance of an integrated air conditioner.

BACKGROUND ART Conventionally, as a water sprinkler device for an air conditioner of this type, there has been one described in Japanese Patent Application Laid-open No. 79925/1983.

According to this prior art, the configuration is as shown in FIGS. 5 and 6. That is, it is divided into an indoor side A and an outdoor side B by a partition plate 2 provided on a board 1, and inside the indoor side A, a ventilation circuit 3, an indoor fan 4, a blowing guider 5, and an indoor heat exchanger 6 are installed. Further, inside the outdoor side B, an electric motor 9 is provided which drives a propeller fan 8 having a water splashing ring 7 together with the indoor fan 4 .

Furthermore, a propeller fan air guider 11 is provided between the electric motor 9 and the propeller fan 8, and the propeller fan air guider 11 is provided with an inclined portion 10 on the side surface from the lowest end to the highest end in the rotational direction of the propeller fan 8. An outdoor heat exchanger 12 is installed on the outlet side of 8.
is located. and the indoor heat exchanger 6,
A compressor 13 that constitutes a refrigeration cycle together with an outdoor heat exchanger 12 is provided.

Problems to be Solved by the Invention However, in the above structure, the condensed water 14 generated from the indoor heat exchanger 6, flowing out from the indoor side A, and accumulated on the substrate 1 on the outdoor side B is transferred to the propeller fan 8.
In order to make the condensed water 14 scraped up and scattered in the circumferential direction by the water scattering ring 7 provided at The sound of the condensed water 14 colliding with the air guider inclined portion 10 was very loud and was a cause of increased noise.

Furthermore, the condensed water 14 that collided with the inclined part 10 is
The water is scattered only in the part (C part) of the outdoor heat exchanger 12 that faces the air guider inclined part 10, which not only causes poor heat exchange performance but also prevents condensed water from jumping out from the outdoor heat exchanger 12. Problems also arose.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides the following features:
A water splash prevention plate of a predetermined width is provided around the entire circumference of the air guider opening, and a water splash prevention plate is provided on the leeward surface of the air guider opening over a range of about 180° in the propeller fan rotation direction from the raised part of the water splash ring. A circumferential guide plate that covers the scattering ring, and a rising rib that rises in the axial direction from the tip of the circumferential guide plate are provided, and are located on the side opposite to the circumferential guide plate to prevent scattering from the end of the circumferential guide. A corner guide plate is installed to catch some of the water and guide it forward and downward.

Effects The present invention has the above-described structure, and the condensed water generated from the indoor heat exchanger and accumulated on the outdoor substrate is scraped up by the water scattering ring provided on the propeller fan.
Water is guided by a circumferential guide plate provided on the leeward surface of the propeller air guider, and the water is dispersed and scattered forward by a rising rib provided in the axial direction from the tip of the circumferential guide plate. Furthermore, the corner guide catches water splashed from the end of the circumferential guide and guides it forward and downward.

Thereby, the water scooped up by the water scattering ring can be efficiently scattered over the entire surface of the outdoor heat exchanger, and the heat exchange performance can be improved. Furthermore, the circumferential guide plate allows the water to be smoothly stirred up, and the increase in noise level due to the collision sound of condensed water can also be eliminated.

Embodiment Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 to 4.

In the figure, parts having the same functions as those of the conventional one are given the same numbers and the description thereof will be omitted.

15 in the figure is an air guider for a propeller fan with a water scattering ring according to the present invention, and a water scattering ring is provided on the leeward surface of the air guider 15 over a range of about 180° from the raised part of the water scattering ring 7 in the rotational direction of the propeller fan 8. 7, and a rib 16a rising from the tip of the circumferential guide plate 16 in the axial direction. Further, a corner guide plate 17 is provided, which is located on the opposite side of the circumferential guide plate 16, receives some of the water scattered from the end of the circumferential guide 16, and guides it forward and downward. A water splash prevention plate 18 having a predetermined width is provided on the windward surface of the air guider 15 over the entire circumference of the opening of the air guider 15.

As a result, the water stirred up by the water scattering ring is guided by the circumferential guide plate, and the water is guided by the circumferential guide plate 16.
This water is dispersed and scattered forward by a rising rib 16a provided in the axial direction from the tip of the holder. moreover,
Water splashed from the end of the circumferential guide plate 16a is received by the corner guide plate 17 and guided forward and downward.

As described above, the water stirred up by the water scattering ring 7 can be efficiently scattered over the entire surface of the outdoor heat exchanger 12, and the heat exchange performance can be improved. Further, the circumferential guide plate 16 allows the water to be smoothly stirred up, thereby eliminating an increase in noise level due to the collision sound of condensed water.

Effects of the Invention As is clear from the above embodiments, the air guider for a propeller fan with a water scattering ring according to the present invention has the following features:
A water splash prevention plate of a predetermined width is installed on the windward side of the air guider all around the air guider opening, and a water splash ring is installed on the leeward side of the air guider over a range of about 180° in the propeller fan rotation direction from the raised part of the water splash ring. A circumferential guide plate to cover, a rib rising in the axial direction from the tip of the circumferential guide plate, and a rib located on the opposite side of the circumferential guide plate to catch some of the water scattered from the end of the circumferential guide. By providing corner guide plates that guide the water to the front and downward, the water stirred up by the water scattering ring can be efficiently scattered over the entire surface of the outdoor heat exchanger, and heat exchange performance can be improved. Furthermore, the circumferential guide plate allows the water to be smoothly stirred up, and it also has various advantages, such as being able to eliminate the increase in noise level due to the collision sound of condensed water.

[Brief explanation of drawings]

Fig. 1 is a plan sectional view of an air conditioner having an air guider for a propeller fan with a water scattering ring showing an embodiment of the present invention, and Fig. 2 is a vertical sectional view of the same air conditioner with the outdoor heat exchanger omitted. , Fig. 3 is a vertical sectional view of the main parts of the air conditioner, Fig. 4 is a perspective view of the propeller fan air guider in the air conditioner, and Fig. 5 is a longitudinal sectional view of the main parts of the air conditioner.
The figure is a plan sectional view of an air conditioner having a conventional air guider for a propeller fan with a water scattering ring, and FIG. 6 is a vertical sectional view of the same air conditioner with an outdoor heat exchanger omitted. 7...Water splash ring, 8...Propeller fan,
15...Propeller fan air guider, 16...Circumferential guide plate, 16a...Rising rib, 17...Corner guide plate, 18...Water splash prevention plate.

Claims (1)

[Claims] 1. A water splash prevention plate of a predetermined width is provided on the windward surface of the air guider of a propeller fan with a water scattering ring provided in an integrated air conditioner, covering the entire circumference of the air guider opening, and further on the leeward surface of the air guider opening, A circumferential guide plate covering the water scattering ring is provided over a range of approximately 180° in the rotational direction of the propeller fan from the raised portion of the water scattering ring, and a rising rib that rises from the tip of the circumferential guide plate in the axial direction. and a corner guide plate located on the opposite side of the circumferential guide plate to catch a part of the water scattered from the end of the circumferential guide and guide it forward and downward. Device.