JPS6210537A - Air flow direction deflecting device in air conditioner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a wind direction deflection device for controlling the blowing direction of an air conditioner.

BACKGROUND OF THE INVENTION Until now, various devices have been devised as wind deflection devices for air conditioners in order to improve the comfort of living spaces.

For example, there is a device that has blow-off ports in the horizontal and vertical directions, and blows out in the horizontal direction when the blow-off temperature is lower than the set temperature, and blows out in the vertical direction when the blow-out temperature is higher than the set temperature. (Japanese Patent Publication No. 55-10813) That is, the configuration of this first conventional example prevents so-called cold draft, and can enhance the heating effect.

Furthermore, in order to improve comfort in a large living space, there is a device that swings the left and right deflection blades and the top and bottom deflection blades at a constant period. (U.S. Pat. No. 3,257,931) This second conventional example is shown in FIGS. 102, left and right deflection vanes 103 and 104 are provided to deflect the blown air in the horizontal direction. The upper and lower deflection blades 102 are connected to a coupling machine 105.
It is connected to a bellows 107a via a lever arm 106a. In addition, the left and right deflection blades 103 and 104 are connected to coupling machines 105b and 105c, and a lever arm 106, respectively.
b.

106c, and are connected to bellows 107b and 107c. Also, each bellows 107a.

Heaters 108a are provided in 107b and 107c, respectively.

108b and 108c are wound. 109 is heater 1
This is a microswitch that controls the energization of 08a, 108b, and 108c.

and heaters 108a and 108b.

By energizing 108c, the bellows 107a,
107b and 107c are expanded, and the expansion of the bellows 107b operates the υ microswitch to activate the heaters 108a and 1.
Stop power supply to 08b and 108c. As a result, bellows 107a, 107b, 107c.

cools and shrinks.

By repeating this operation, the effect of fluctuating the blown air can be obtained.

Problems to be Solved by the Invention However, in the first conventional configuration described above, deflection control is only possible in the vertical direction.For example, the cold air during heating can be prevented from directly hitting the human body, but it is possible to control the deflection in one direction (
As the air blows out in the forward direction, the movement of air within the living space becomes large, and the temperature feels lower than the actual room temperature.

In addition, since the downward blowing directly hits the human body, the temperature of the downward blowing must be raised sufficiently, and there is a problem in that it takes a long time from the start of operation to the downward blowing, which slows down the heating room.

In addition, in the second conventional configuration, although it is possible to deflect the airflow in the horizontal direction, the airflow swings regardless of the airflow temperature, so it is not possible to shorten the start-up time during heating operation or perform efficient heating. I had a problem.

The present invention provides a means for improving the comfort of a living space using an air conditioner, particularly for improving the comfort at the start of heating operation, by solving the problems described above. an indoor unit having a variable operating frequency, an air blower, and the indoor heat exchanger; an air outlet that blows out air that has passed through the indoor heat exchanger; a vertical deflection blade that vertically deflects the air that is blown out from the air outlet; and an air outlet that is provided independently on the left and right sides of the air outlet; Left and right deflection vanes that branch and deflect the air blown out from the left and right sides, drive means that independently drive the deflection of the lower and left deflection vanes, and a set frequency memory that stores a preset frequency. When the compressor operating frequency reaches a predetermined value and a certain predetermined time has elapsed, the upper and lower deflection blades are moved in the blowing direction in a state where the static electricity blown out from the air outlet is branched left and right. is driven so that it is downward.

Operation According to the above configuration, the air conditioner wind deflection device of the present invention has the following features:
When the compressor operating frequency reaches a certain set frequency, the horizontal branch outlet changes to the downward branch outlet after a certain set time, so when the compressor operating frequency is low and the temperature of the compressor outlet is low, the air is only in the living space and area. All of the mixing effects are carried out, and heating can be performed without physically feeling cold.

Furthermore, when the operating frequency of the compressor becomes high and the blowout temperature after a predetermined period of time is high, heating is performed from the periphery of the lower portion of the living space, thereby improving temperature distribution and comfort.

Embodiment Hereinafter, a wind direction deflection device for an air-conditioner according to an embodiment of the present invention will be explained with reference to the drawings.

FIG. 1 is an exploded perspective view of the main parts of the device. As shown in the figure, the lower deflection blade 1 has a shaft 2 in its longitudinal direction, which is slightly curved in the blowing direction and deflects the lower wind direction by the Coanda effect. Stepping motor) 3. Further, the left and right deflection vanes that deflect the blown air in the horizontal direction by the Coanda effect are the left deflection vanes 5 connected to the coupler 4a.
a, and a right deflection blade 5b connected to a connecting device 4b. And the left deflection blade 5a includes a blade lever arm 6a, a rod 7a, and a motor lever? -mu8
a to the left motor (stepping motor) 9a, and the right deflection blade 5b is connected to the right motor (stepping motor) via the blade lever arm 6b, rod 7b, and motor lever arm 8b.
Stepping motor) 9b. Here, the left deflection blade 5a is slightly curved to have its center to the left of this left deflection blade 5&, and the right deflection blade 5b is slightly curved to have its center to the right of this right deflection blade 5b. ing. That is, the above-mentioned Coanda effect is caused by the above-described Coanda effect on both sides 13a and 13b of the air outlet 12, which will be described later, to deflect the wind direction.Since this is a conventionally well-known technique, a description thereof will be omitted.

In this embodiment, the middle motor 3 and the left motor 9a.

Although the right motor 9b constitutes the driving means, it is also possible to use a single motor for driving the left and right deflection blades, and furthermore, by using a switching means such as a gear or a clutch, the upper and lower deflection blades 1 and the left and right deflection blades can be switched. It is also possible to control the motor with a single motor.

Further, the motor is not limited to a stepping motor, but may be an induction motor or the like. In addition, the reason why the left and right deflection blades are divided into two parts, the left deflection blade 5a and the right deflection blade 5b, is to facilitate the concentration and separation operations that are the object of the present invention, and also to be able to independently control the wind direction. In order to perform even more delicate control of the wind direction, the structure may be further divided into smaller parts, or conversely, it may be connected by a single coupling device 4 as shown in Fig. 2 without being divided. The reason why the blade 5a and the right deflection blade 5b are curved is to not only deflect the wind direction by the Coanda effect but also to enhance the concentration and splitting effect that is the object of the present invention, and the Coanda effect must be taken into consideration. For example, it may be a planar shape that is not curved, or it may be one in which the round directions are reversed.

Next, FIG. 3 shows a perspective view of the indoor unit 10 to which the wind deflection device shown in FIG. 1 is installed.

In the figure, an indoor unit 10 has a suction port 11 on the front surface for sucking indoor static electricity, and an air outlet 12 having a lower deflection blade 1 and left and right deflection blades 5a and 5b is provided below the suction port 11. ing. Both sides 13a of this outlet 12
, 13b are curved surfaces that gradually expand outward in order to deflect the wind direction by the Coanda effect as described above. Further, as described above, the lower surface portion 14 is also a curved surface that gradually expands in order to deflect the wind direction by the Coanda effect.

A side sectional view of this indoor unit 10 is shown in FIG. An indoor heat exchanger 15 is provided at a position facing the suction port 11 , and a blower 16 is provided in a ventilation path from the indoor heat exchanger 15 to the outlet 12 .

Next, the refrigeration cycle of this embodiment is shown in FIG.

In the figure, a compressor 17, a four-way valve 18, an indoor heat exchanger 15, a capillary tube 19, and an outdoor heat exchanger 20 are connected in a ring. Here, during heating operation, the refrigerant is
The air flows in the order of compressor 17, four-way valve 18, indoor heat exchanger 15, capillary tube 19, and outdoor heat exchanger 20, and during cooling operation, compressor 17, four-way valve 18, and outdoor heat exchanger 20.
, the capillary tube 19 and the indoor heat exchanger 15 in this order.

Here, the rotation speed of the compressor 17 changes as the frequency changes.

Next, a circuit diagram of the main part of this embodiment is shown in Figure %6. The microcomputer 22 includes a compressor operating frequency change signal generating means and a storage section 23 that stores a preset frequency.
It has a drive signal generating means 24 which generates an appropriate output signal after a certain set time based on a comparison between the set value stored in the storage section 23 and the operating frequency. Each motor 3 is on the output side.
．． A middle motor 3, a left motor 9a, and a right motor 9b, which are driving means, are connected via a buffer 26 that supplies pulse output to the motors 9a and 9b.

Next, the operation of this embodiment is shown in FIG. 7, which is a flowchart during heating operation.

The first is the compressor operating frequency, and tl and t2 are the set frequencies. This compressor operating frequency t is the first set frequency 1.
When it is lower than , the middle motor 3 is rotated clockwise, the left motor 9a is rotated clockwise, and the right motor 9b is rotated counterclockwise and then stopped.

Here, rotating the middle motor 3 clockwise means that the vertical deflection blade 1
in the horizontal position (in the upper position if necessary) and the left motor 9
Rotating & to the right indicates driving the left deflection blade 5a to the left, and rotating the right motor 9b to the left indicates driving the right deflection blade 6b to the right. In other words, the blown air is horizontal ()
: Direction: Diversion as shown in Figure 8. At this time,
The upper and lower deflection blades 1, the left deflection blades 5a, and the right deflection blades 5b are as follows:
Although it is not known in what initial state each motor 9a, 9b, 3 is in, it always rotates to the above position after each motor 9a, 9b, 3 is driven. In other words, when it is already deflected to the same position as the position after driving in the initial state,
Do not allow the motor to rotate due to load/load resistance such as a stopper.
Or let the motor idle. And each motor 9a.
After the rotation of 9b.3 (before or during rotation as required), the set frequency is again compared.

Next, the compressor operating frequency t is the first set frequency t.

If the frequency is higher than the second set frequency t2 or less, after a certain set time, the middle motor 3 is rotated to the left, the left motor 9a is rotated to the right, and the right motor 9b is rotated to the left and then stopped. That is, the blown air becomes a downward branch as shown in FIG. Before this operation, when the flow is in a horizontally divided state as shown in FIG. 8, only the upper and lower deflection blades 1 are deflected.

Next, if the compressor operating frequency t is higher than the second set frequency t2, after a certain set time, the middle motor 3 is rotated to the left, the left motor 9a is rotated to the left, and the right motor 9b is rotated to the right, and then stopped. . In other words, the blown air is concentrated downward.
The result will be as shown in Figure 0.

By performing the above operation, when the compressor operating frequency is low and the cold air is undesirable, the air is diverted horizontally (upwards) so that it does not directly hit the human body, and the compressor operating frequency is high to some extent and the air temperature is warmed. When the air is being sprayed, the airflow becomes a downward branch so that it indirectly hits the human body, and when the frequency is further increased and the airflow temperature is sufficiently high, the airflow becomes concentrated downward so that there is no problem even if the airflow directly hits the human body.

That is, when the operating frequency of the compressor is low and the temperature of the air being blown out is low, it is undesirable for the air to directly hit the human body. Further, even if the air in the living space does not directly hit the human body, a large movement of the air within the living space will make the air feel lower than the actual room temperature, so it is preferable that the movement of static electricity within the living space be small. In other words, by using a horizontally divided air outlet, the blown air mixes only in the living space and the living space, thereby providing a heating effect without making the human body feel cold.

Next, when the compressor operating frequency is high, that is, when the blowout temperature becomes high to a certain extent, the downward branch blowout occurs, so that the heating effect is performed from the periphery of the living space.

That is, even in this case, the movement of air within the living space is reduced and heating can be performed without making the human body feel cold.

Furthermore, by heating the wall surface, the temperature distribution within the living space can be made uniform.

When the compressor operating frequency is higher, that is, when the blowout temperature becomes higher, the blowout is concentrated downward, so warm air can be applied directly to the human body, increasing the heating effect. At this time, since the wall surface has already been warmed to some extent, there is no possibility that a low temperature area will occur in the living space.

Effects of the Invention As is clear from the description of the above embodiments, the present invention is capable of changing from a horizontal branch (upward branch) blowout to a downward shift blowout after a certain set time when the compressor operating frequency reaches a certain set frequency. When the compressor operating frequency is low, that is, the blowing temperature is low, the air is mixed only in the upper part of the living space.

In other words, at this time, since it is a horizontal blowout and a branch blowout, it is possible to improve the mixing effect of air only in the upper part of the living space, and it is possible to prevent large air movement in the lower part of the living space, so you can experience I never feel cold.

Furthermore, when the operating frequency of the compressor is high, that is, when the blowout temperature is high, the blowout is directed downward, so that the heating is carried out from the lower part of the living space, that is, from the wall surface, so that the temperature distribution can be made uniform. Furthermore, with downward concentrated blowing, the blown air hits the human body directly, and downward blowing cannot be performed until the blowing temperature becomes sufficiently high.However, with divided blowing, the temperature rises to a certain extent. The air can be blown downward, and the heating effect can be started faster.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of a wind deflection device showing an embodiment of the present invention, Fig. 2 is a configuration diagram showing different connection states of left and right deflection blades in the wind deflection device, and Fig. 3 is a diagram showing the wind deflection device in different connection states. A perspective view of the equipped air conditioner, FIG. 4 is a longitudinal sectional view of the air conditioner, and FIG. 5 is a refrigeration cycle diagram of the air conditioner.
Fig. 6 is an electric circuit diagram of the main parts of the air conditioner, Fig. 7 is a flowchart showing the control contents of the air deflection device, Fig. 8 is an explanatory diagram showing the state of horizontal branch blowing in the air conditioner, Fig. FIG. 9 is an explanatory diagram showing the same downward divided blowing state, FIG. 10 is an explanatory diagram showing the downward concentrated blowing state, FIGS. 11 and 12.
The figures are a perspective view and a sectional view of a main part of a conventional wind direction deflection device, respectively. 1...Vertical wind direction deflection blade, 3...Group/medium motor, 5a...Left deflection blade, 5b...Right deflection blade, 9a...Left Motor, 9b...
Right motor, 10, old...indoor unit, 12...
・Air outlet, 15... Indoor heat exchanger, 17...
...Compressor, 20...Outdoor heat exchanger, 22.
. . . Microcomputer, 23 . . . Storage section, 24 . . . Drive signal generation means. Name of agent: Patent attorney Toshio Nakao 1 person 1・
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1ffA, IO...Indoor crab knit ll...U entry included, 12...℃ outlet/θ 4th Figure 1θ...Indoor uni-soto/7...7f edition Mr. /8... Spit way A I7 Pakiyabira Soteyu 2゛2θ...outdoor wave winding 3...'f''F-one 2?...my 20 koshi and 6ヱ-2 23...J here Chikura , # 24 Pa・34 Defense 4 Kujusho F Death Figure 7 Figure 8 Figure 10 Figure 10

Claims (1)

[Claims] an indoor unit that compresses a refrigerant, and includes an indoor heat exchanger and an outdoor heat exchanger that together form a refrigeration cycle, and that includes a compressor whose rotational speed changes according to a change in frequency, a blower, and the indoor heat exchanger; An air outlet provided in this indoor unit blows out the air that has passed through the indoor heat exchanger, a vertical deflection blade that vertically deflects the air blown out from the air outlet, and an air outlet provided independently on the left and right sides of the air outlet. and left and right deflection blades that branch and deflect the air blown out from the air outlet in the left and right directions, drive means that independently drive the upper and lower deflection blades and the left and right deflection blades to deflect them, and a drive unit that operates at a preset frequency. Determining that the compressor operating frequency has reached the set frequency stored in the set frequency storage means in the state of the set frequency storage means to be stored and the left and right deflection vanes located so that the air from the air outlet is branched. and drive signal generating means for supplying to the drive means a signal for rotating the vertical deflection blades downward from the vertical position after a certain set time has elapsed.