JPH0612459Y2 - Local blowout air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a multipurpose local blow-out air conditioner (spot air conditioner) that can be used not only as a spot air conditioner but also as a dehumidifier.

(Prior Art) A spot air conditioner having an integral structure in which a heat source side unit equipped with a condenser and a usage side unit equipped with an evaporator are integrally incorporated in a casing is generally used mainly by applying cool air to a person or an object for cooling (cooling). It is used for the purpose of
As disclosed in Japanese Unexamined Patent Publication No. 39705/1993, there is a system in which cooling air that has passed through a condenser is used as warm air for heating to perform cooling and heating.

Further, it is also possible to use as a device for dehumidifying the cool air that has passed through the evaporator and the hot air that has passed through the condenser separately for one target area to reduce the temperature change and perform dehumidification. , Partly proposed.

(Problems to be solved by the invention) The idea of the dehumidifying operation described above is that the cold air and the hot air are blown separately, even if the dehumidifying function is fulfilled for the time being viewed as the entire sealed room. It is not preferable because dehumidification at the outlet of the cool air may cause dew condensation on the blowout grill peripheral frame and the object blown by the wind around the outlet to cause dew condensation and get wet.

As described above, the present invention has been made in view of the fact that the conventional one has a problem in practical use, and it has a structure capable of mixing and blowing cold air and warm air to prevent dew condensation. A feature of the invention is that it provides a spot air conditioner having a simple structure that can be used for multiple purposes while preventing generation and maintaining high reliability.

(Means for Solving Problems) Therefore, as is apparent from the drawings showing the embodiments of the present invention, the hot air passage (13) through which the hot air flows after passing through the condenser (11).
And the cold air passage (16) through which the cool air after passing through the evaporator (14) are adjacent to each other across the heat insulating partition (4) so that the air flow directions are parallel, and the hot air outlet (9 ) And the cold air outlet (10) are arranged close to both sides of the heat insulating partition (4), respectively, while air is placed in the heat insulating partition (4) near the air outlets (9) and (10). A damper device capable of opening and closing the circulation port (20) and alternately opening and closing any one of the hot air outlet (9) and the cold air outlet (10) and the air circulation port (20) (2
It is characterized by the configuration of a spot air conditioner provided with 1).

(Operation) The hot air outlet (9) and the cold air outlet (10) are provided adjacent to each other on the same surface such as the top surface, and the heat insulation of one of these outlets (9), (10) and the vicinity thereof is performed. Air flow opening on partition (4)
The structure is provided with a damper device (21) for alternately opening and closing (20), which can be a very simple structure, and the spot cooling can be performed only by switching the damper device (21). In addition to this, dehumidification operation by blowing cold / warm air from the cold air outlet (10) or the warm air outlet (9) is possible.

(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings.

Each drawing is a self-supporting movable type spot air conditioner according to an example of the present invention. The casing (1) is divided into upper and lower chambers, and a heat insulating partition (4) standing in the upper chamber is used to condense left and right side by side. Partition the equipment room (2) and the evaporator room (3),
A machine room (5) and a tank room (6), which are adjacent to each other on the left and right, are separated from each other by a partition in which the lower room is erected.

The right side plate and the top plate of the outer plate of the condenser chamber (2) are
The inlet (7) and the hot air outlet (9) are opened,
A condenser (11) is provided in the room over the first intake port (7), and a blower for the sirocco type condenser (12) is provided inward of the condenser (11) so as to face the hot air outlet (9). In addition, the two-axis motors (17) are directly connected to the fan (12) to house the two-axis motors (17), respectively, and the heat insulating partition is provided between the blowout part of the fan (12) and the warm air outlet (9). A hot air passage (13) in contact with (4) is formed, and when the motor (17) is driven, a condenser fan (12)
Blows air into the room from the first air inlet (7), then passes through the condenser (11), the fan (12) and the hot air passage (13) in this order, and then from the hot air outlet (9). It is designed to deliver warm air.

On the other hand, the left side plate and the top plate of the outer plate of the evaporator chamber (3) are provided with a second intake port (8) and a cold air outlet (10), respectively, and the second intake port is provided inside the chamber. Evaporator over (8)
(14) has a blow-out portion facing the cold air blow-out opening (10) inwardly thereof to accommodate sirocco-type evaporator fans (15), and the fan (15) is provided with a biaxial motor (17). ), And the outlet of the fan (15) and the cold air outlet (10)
Between the cold air passage (16) in contact with the heat insulation partition (4)
Further, a drain pan (24) is arranged just below the coil of the evaporator (14), and an evaporator fan (1
5) blows in the indoor air from the second intake port (8), then passes through the evaporator (14), the fan (15) and the cold air passage (16) in this order, and then the cold air outlet ( Cool air is sent from 10).

Next, in the machine room (5), a refrigeration equipment such as a compressor (18) and an electric component box (not shown) are built in, while the tank room (6)
A drain tank (19) is housed inside the container so that it can be taken in and out from the outside.

The drain tank (19) has a top port connected to the drain pan (24) by a hose, and the drain (including condensed water generated by dehumidification) generated in the evaporator (14) is stored in the drain tank (19). It can be stored in it at any time.

Then, the hot air outlet (9) and the cold air outlet (10) are opened on the same top plate, and one of them, for example, the cold air outlet (10) is provided at the upper end of the heat insulating partition (4). It is opened at a nearby location.

On the other hand, the cold air outlet (10) at the upper end of the partition (4)
An air circulation port (20) having a cross-sectional area close to the cross-sectional area of the cold air outlet (10) is opened at a location close to,
A damper device (21) is provided in association with the air circulation port (20) and the cold air outlet (10).

The damper device (21) is a top plate and a heat insulating partition (4) so that a flat plate made of a metal plate or a hard synthetic resin plate can be alternately opened and closed with respect to the cold air outlet (10) and the air circulation port (20). Is arranged in the cold air passage (16) with one side pivotally supported by a hinge so that it can swing up and down by a hinge, and it is mechanically connected to an actuator (not shown) to both the openings (10), (20) It is designed such that one side can be airtightly fixed at the closed position.

Of course, although the damper device (21) is not shown, the warm air outlet (9)
It may be arranged in the warm air passageway (13) so that it can be opened and closed alternately with respect to the air circulation port (20).

In the spot air conditioner having the above structure, in the case of spot cooling, if the air circulation port (20) is closed by a damper device (21) as shown in FIG. 3, the hot air passageway (13) and the cold air passageway are closed. As a result of being reliably separated from (16), condensation heat (exhaust heat) is discharged from the warm air nozzle (22) connected to the warm air outlet (9), and cold air connected to the cold air outlet (10) From the nozzle (23), cold air is supplied toward local demand.

On the other hand, when the dehumidifying operation is performed, it will be apparent from FIG. 4 that the damper device (21) allows the cold air outlet (1
When (0) is closed, the hot air passage (1
3) communicates with the cold air passage (16).

As a result, the room air that has been cooled and dehumidified in the evaporator (14) passes through the cold air passage (16) from the air circulation port (20) to the warm air passage (1).
3) It flows into the inside, mixes with the room air heated in the condenser (11), is dehumidified in this way, and becomes dehumidified air having a temperature that is not much different from the temperature of the suction indoor air at the suction point. After passing through the hot air outlet (9) and the hot air nozzle (22), it will be delivered to the demanded place.

In this case, the temperature of the blown air is substantially equal to the temperature of the suction air formed by mixing the cool air and the warm air, so that no condensation occurs on the tip of the nozzle or the object.

(Effects of the Invention) The present invention having the above-described configuration has the following effects.

Air circulation port (20) and hot air outlet (9) provided in the heat insulation partition (4)
Alternatively, a damper device (21) that alternately opens and closes the cold air outlet (10)
The spot cooling and dehumidification can be selected only by the operation of, and it is possible to easily expand the use range while compacting the entire device with a simple structure.

Further, during dehumidification, the method is one in which cold air and warm air are mixed and then blown out, so that high reliability is guaranteed without causing any dew condensation on the blowout tip portion or the object on which the wind blows.

[Brief description of drawings]

1 and 2 are sectional front views and perspective views according to an embodiment of the present invention, and FIGS. 3 and 4 are enlarged views of essential parts showing spot cooling and dehumidifying operations. (4) …… Adiabatic partition, (9) …… Hot air outlet, (10) …… Cold air outlet, (11) …… Condenser, (13) …… Hot air passage, (14) …… Evaporator , (16) …… Cold air passage, (20) …… Air flow port, (21) …… Damper device.

Claims (1)

[Scope of utility model registration request] 1. A hot air passage (13) through which hot air flows after passing through a condenser (11) and a cold air passage through which cold air after passing through an evaporator (14) flows.
(16) and, adjacent to each other across the heat insulating partition (4) so that the air circulation direction is parallel, the hot air outlet (9) and the cold air outlet (10) the heat insulating partition (4) While arranging them close to both sides of each of them, an air circulation port (20) is opened in the heat insulating partition (4) near the both air outlets (9) and (10), and a hot air outlet (9) A local blow-out type air conditioner comprising a damper device (21) capable of alternately opening and closing either one of the cold air blowout port (10) and the air circulation port (20).