JPH0422183Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Purpose of the Invention] (Field of Industrial Application) The present invention relates to an improvement of an integrated air conditioner applied to, for example, a window air conditioner.

(Prior art) An integrated air conditioner has a compressor, an indoor heat exchanger, an outdoor heat exchanger, etc. built into the same case, and has an indoor ventilation duct with an indoor fan and an outdoor ventilation duct with an outdoor fan. Generally, they are arranged adjacent to each other. In such integrated air conditioners, if there are parts that require heat dissipation, such as a frequency converter, these parts are cooled with indoor air or outdoor air that passes through the indoor ventilation duct or outdoor ventilation duct. .

FIG. 3 shows an example of a conventional air conditioner of this type, for example, JP-A-60-226640 or JP-A-60
-Disclosed in Publication No. 226641, etc. In this air conditioner, an indoor/outdoor air introduction section 3 that communicates with an indoor ventilation path 2 is provided in a case 1, and a heat dissipation component 4 is disposed inside the indoor/outdoor air introduction section 3. The indoor and outdoor air that is forcibly sent to the indoor side is brought into contact with the heat dissipating components 4 to radiate heat and cool them.

Moreover, FIG. 4 shows another example, for example, JP-A-61
-36635, JP-A-61-36636 or JP-A-61-
This is disclosed in Publication No. 36637, etc. In this air conditioner, an outdoor air introduction part 8 that communicates with an outdoor ventilation path 7 is provided in the case 6, and by arranging a component 9 that requires heat dissipation in the outdoor air introduction part 8, the outdoor air blower 10 is forced to The outdoor air introduced into the room is connected to the heat dissipation component 9 to radiate heat and cool it.

3 and 4, 11 is a compressor, 12 is an indoor heat exchanger, and 13 is an outdoor heat exchanger.

(Problem to be solved by the invention) However, in the case shown in FIG. 3, the air heated by the total amount of heat radiated from the heat radiating components 4 is introduced into the room through the indoor ventilation duct 2. , the cooling capacity during cooling operation is significantly reduced.

Furthermore, in the case shown in FIG. 4, since the heat dissipation-required components 9 are cooled only by outdoor air, sufficient heat dissipation effect is not achieved, for example, when the outside temperature is high such as during cooling overload. You may not get it.

The present invention has been developed in view of these circumstances, and aims to provide an air conditioner that can sufficiently dissipate heat from components that require heat dissipation even when the outside temperature is high, and can suppress a decrease in cooling capacity. The purpose is to

[Structure of the idea]

(Means for Solving the Problems) The present invention provides an integrated air conditioner having heat dissipation components, in which the heat dissipation components are placed in a component storage box provided at the boundary between an outdoor ventilation path and an indoor ventilation path. A heat dissipating portion formed on the outer surface of the parts storage box is arranged in the outdoor ventilation passage, and the inside of the parts storage box is communicated with the air introduction side of the indoor ventilation passage. .

(Function) During cooling operation, the heat radiating portion of the parts storage box comes into contact with the outdoor air flowing through the outdoor ventilation path, and the heat radiation-required components in the parts storage box come into contact with the indoor air introduced into the indoor ventilation path.

Therefore, the heat dissipation effect of the heat dissipating components is carried out by two means: outdoor air and indoor air, so if the outdoor temperature is low, both outdoor air and indoor air are used, and when the outdoor temperature is high, the indoor air is used. This provides an effective heat dissipation effect and is not significantly affected by load fluctuations.

Furthermore, since the entire amount of heat radiated from the heat radiating components is not always released into the indoor air, there is little deterioration in cooling performance and there is no fear that comfort will be impaired.

(Example) An example of the present invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 schematically shows the air conditioner of this embodiment as seen from the indoor side, and FIG. 2 schematically shows the air conditioner as seen from the outdoor side.

As shown in FIGS. 1 and 2, a heat insulating wall 22 curved in an S-shape inside a vertically long box-shaped case 21
It is divided into an outdoor side and an indoor side. An outdoor ventilation path 23 is formed along the heat insulating wall 22 on the outdoor side of the case 21, and an outdoor blower 24 and an outdoor heat exchanger 25 are installed in this outdoor ventilation path 23. In addition, the indoor side of the case 21 has a drain tray 2.
6 or the like, and the upper space along the heat insulating wall 22 is used as an indoor ventilation path 27, and an indoor blower 28 and an outdoor heat exchanger 29 are installed inside the indoor ventilation path 27. A vertically long thin box-shaped component storage box 30 is fixed in the lower space on the indoor side of the case 21 along the heat insulating wall 22, and components 31 that require heat dissipation such as a frequency converter are stored in this component storage box 30. There is. Parts storage box 3
A large number of fins 32 are formed on the outer surface of the side wall on the heat insulating wall 22 side of No. ing. Further, the component storage box 30 is open at the top and bottom, and communicates with the indoor ventilation passage 27 and the indoor air inlet 34 provided at the bottom of the case 21 through the openings. It should be noted that among the components 31 requiring heat dissipation, the one 31a that requires a large amount of heat dissipation is attached in contact with the inner surface of the fin 32 portion of the component storage box 30.

According to such a configuration, the fins 32 provided in the parts storage box 30 are connected to the outdoor ventilation path 23 during cooling operation.
comes into contact with the indoor air flowing as shown by arrow a, and heat is radiated through the fins 32 through the component storage box 30 and the heat radiating components 31 stored therein. Particularly, since the cooling component 31a which requires a large amount of heat radiation is brought into contact with the inner surface of the component storage box at the fin 32 portion, the heat radiation effect is efficiently performed.

Also, during operation, the indoor air introduced from the indoor air intake port 34 passes through the parts storage box 30 as shown by arrow b and is guided to the indoor ventilation path 27, and this indoor air flows into the parts storage box 30 that requires heat dissipation. Since it comes into contact with the component 31, heat is also radiated from the indoor air.
During cooling, the indoor air temperature is low, so this heat dissipation effect is effective, and the heat dissipation components 31 are efficiently cooled with a small amount of indoor air. Note that, since the heat dissipation effect is performed by both indoor and outdoor air means, the heat dissipation load due to the indoor air is reduced accordingly, and a decrease in cooling capacity is suppressed.

Of course, when the outside temperature is high, such as during a cooling overload, the amount of heat radiated to the indoor air increases, but even in this case, the cooling capacity of the air conditioner shown in Figure 3, which introduces outdoor air, can be significantly increased. Moreover, as shown in FIG. 4, there is no fear that the heat dissipation effect of the heat dissipation components becomes insufficient because it depends only on the outdoor air. In this sense, the influence of load fluctuations is smaller than with conventional air conditioners, and reliability can be improved accordingly.

Although both indoor and outdoor air are used for heat dissipation, the component storage box 30 also serves as a partition between both air passages 23 and 27, and the heat dissipation effect of outdoor air is due to heat transfer. The passageway is reliably shielded, sealing properties are reliably maintained, and it is also effective in preventing noise from entering.

In addition, the structure is simple, the production is easy, there are no parts that cause high costs, and the product can be provided at low cost.

[Effect of idea]

As described above, according to the present invention, it is possible to efficiently perform heat dissipation cooling of components that require heat dissipation by effectively utilizing both outdoor air and indoor air, and a sufficient heat dissipation effect can be obtained even when the outside temperature is high. In addition, effects such as maintaining comfort can be achieved without reducing the cooling capacity.

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view of an embodiment of the air conditioner according to the present invention as seen from the indoor side, FIG. 2 is a schematic perspective view of the same as seen from the outdoor side, and FIG.
The figure is a side view partially showing an example of a conventional air conditioner in cross section, and FIG. 4 is a cross sectional view showing another example of the conventional air conditioner. 23...Outdoor ventilation duct, 24...Outdoor blower, 2
7...Indoor ventilation duct, 28...Indoor blower, 30...
...Parts storage box, 31, 31a...Components requiring heat dissipation, 3
2...Fin (heat dissipation part).

Claims (1)

[Scope of utility model registration request] In an integrated air conditioner having components requiring heat radiation, the components requiring heat radiation are stored in a component storage box provided at the boundary between an outdoor ventilation path and an indoor ventilation path, and a heat radiation device formed on the outer surface of the component storage box. The air conditioner is characterized in that the component storage box is disposed within the outdoor ventilation duct, and the inside of the component storage box is communicated with the air introduction side of the indoor ventilation duct.