JPS62158936A - Deflecting method of airflow direction of air-conditioning machine - Google Patents

Abstract

PURPOSE:To prevent cold airflow from hitting a human body and improve the rise-up of room temperature by a method wherein the ventilating air of an air-conditioning machine is blown off horizontally into left-and-right directions to mix the air when ventilating air temperature is lower than a set value while the same air is blown off downwardly while concentrating it into central part when the ventilating air temperature is higher than the set value. CONSTITUTION:The blow-off port of an indoor unit is provided with a vane 1 for deflecting blow-off air into up-and-down direction and vanes 5a, 5b for deflecting and distributing the blow-off air into left-and-right directions. In case a ventilating air temperature and an elapsed time have not arrived at predetermined values (t1), T1, air from a blow-off port is distributed into left-and-right directions upwardly or horizontally and in case the ventilating air tempera ture has arrived at the predetermined value (t1), the ventilating air is blown off downwardly and is concentrated to a central part. In case the ventilating air temperature has not arrived at the predetermined temperature (t1) after the predetermined value T1 of the time of elapse has elapsed, the ventilating air is blown downwardly and distributed into right-and-left direc tion while the ventilating air is blown off downwardly and is concentrated into the central part after the predetermined temperature (t1) has been achieved.

Description

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

BACKGROUND OF THE INVENTION Until now, various devices have been considered 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-out 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. (US Pat. No. 3,257,931) This second conventional example is shown in FIGS. 11 and 12.

In the figure, the front part of the Suita mouth 101 includes upper and lower deflection blades 102 that deflect the blown air in the vertical direction, and left and right deflection blades 103 and 104 that deflect the blown air in the horizontal direction.
is provided. The lower deflection vane 102 is connected to a bellows 107a via a coupling device 105a and a lever arm 106a. In addition, the left and right deflection blades 103,
104 are coupling machines 105b, 105c,
Bellows 10 via lever arms 106b, 106c
7b.

107c. In addition, each bellows 107a,
Heaters 108a and 10 are installed in 107b and 107c, respectively.
8b and 108c are wound.

Reference numeral 109 denotes a microswitch that controls energization of the heaters 108a, 108b, and 108c.

In the above configuration, heaters 108a and 108b.

By energizing 108c, the bellows 107a,
107b and 107c expand, and the expansion of the bellows 107b operates the microswitch to turn on the heaters 108a and 107c.
Stop power supply to 108b and 108c. As a result, bellows 107a.

107b and 107c are cooled and contracted.

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

The problem that the invention seeks to solve However, in the first conventional configuration described above, it is simply directed to vertical 5.

Since deflection control is only possible in the vertical direction, it is possible to prevent cold air from directly hitting the human body during heating, for example.
Since the air blows out in one direction (forward direction), the movement of air within the living space increases, 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 time from the start of operation to the downward blowing, which slows down the temperature of the heating room. Ta.

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 or perform efficient heating, especially during heating operation. There was a problem.

An object of the present invention is to improve the comfort of a living space using an air conditioner, particularly to improve the comfort at the start of heating operation.

Means for Solving the Problems In order to solve the above problems, the present invention includes a compressor that compresses a refrigerant, an air outlet that blows out air, and an air blower that directs the air blown out from the air outlet in the vertical direction. upper and lower deflection blades that deflect the air to the left and right, left and right deflection blades that are provided independently on the left and right sides of the air outlet and that branch and deflect air blown out from the air outlet in the left and right directions, and the upper and lower deflection blades and the left and right deflection blades. and an output means for outputting an output to each of the driving means when the temperature of the air blown from the outlet reaches a predetermined value or when the elapsed time since the start of operation reaches a predetermined value. The air blown out from the outlet is branched upward or horizontally to the left and right before the air blowing temperature and the elapsed time reach a predetermined value, and when the air blowing temperature reaches a predetermined value, , the blowing direction is deflected downward and concentrated in the center, and when the elapsed time reaches a predetermined value before the blowing temperature reaches a predetermined value, the blowing direction is once deflected downward and in a direction branched to the left and right. When the blowing temperature reaches a predetermined value, the blowing direction is again directed downward and concentrated in the center.

Effect 7: By the above means, the air direction deflection method of the air conditioner of the present invention allows the air temperature to be low during heating operation in order to direct the air from the horizontal branch to the downward concentrated air when the air temperature reaches a certain predetermined value. Sometimes, the air is mixed only in the upper part of the living space, making it possible to heat the room without feeling cold.
When the air temperature is high, the heating effect can be efficiently increased by directing warm air to the human body. In addition, when the elapsed time reaches a certain predetermined time before the air blowing temperature reaches a certain predetermined value, the air blowing temperature will be low until the elapsed time approaches a certain predetermined value in order to change the flow from horizontal to downward branching. As mentioned above, by mixing the air only in the upper part of the living space, it is possible to heat the room without feeling cold, and if the temperature of the air reaches a certain level after a certain period of time, it will cause air to flow from the periphery of the living space to the human body. By heating the wall surface without making people feel cold, it is possible to shorten the standing time and make the temperature distribution in the living space uniform.When the air blowing temperature reaches a certain value, it is possible to directly heat the human body again as mentioned above. It is possible to efficiently increase the heating effect by applying wind, and by simply deflecting the direction of the airflow, it is possible to improve 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 essential parts of the device.

As shown in the figure, it is slightly curved in the direction of the balloon,
A vertical deflection blade 1 that performs vertical wind direction deflection by the Coanda effect has a shaft 2 in its longitudinal direction, and this shaft 2 is connected to an intermediate motor (stepping motor) 3. The left and right deflection vanes that horizontally deflect the blown air by the Coanda effect are composed of a left deflection vane 5a connected to a coupler 4a and a right deflection vane 5b connected to a coupler 4b. And the left deflection blade 5a is
Feather lever arm 6a, Ron door a.

It is connected to a left motor (stepping motor) 9a via a motor lever arm 8a, and the right deflection blade 5b is connected to a blade lever arm 6b and a rod 7b.

The right motor (S9H,
−.

Chipping motor) 9 is connected. Here, the left deflection blade 5a is slightly curved so that its center is to the left of this left deflection blade 5a, and the right deflection blade 5b is slightly curved so that its center is to the right of this right deflection blade 5h. are doing. That is, both sides 1 of the Suita exit 12, which will be described later.
3a and 13b to cause the aforementioned Coanda phenomenon to deflect the wind direction. Regarding the Coanda effect,
Since this is a conventionally well-known technique, its explanation 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.

It is also possible to use a shape memory alloy spring that changes depending on the ambient temperature instead of the motor. The alloy itself will have this. In addition, the left and right deflection blades are the left deflection blade 5a and the right deflection blade 5.
The reason for dividing into two parts b is that it is possible to easily carry out the concentration and separation operations that are the object of the present invention, and also to be able to control the wind direction independently of each other. Alternatively, they may be connected by a single connecting device 4 as shown in FIG. 2 without being divided.

In addition, the left deflection blade 5a and the right deflection blade 5b are curved to deflect the wind direction by the Coanda effect, and also to enhance the concentration and separation effect that is the object of the present invention. If this is not taken into account, it may be a planar shape that is not curved, or it may even have a shape with the round directions reversed.

Next, FIG. 3 shows a perspective view of the indoor unit 10 to which the wind direction 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 air, and below the suction port 11 are vertical deflection blades 1 and left and right deflection blades 5a.

11. A Suita mouth 12 having 5b is provided. Both side portions 13a and 13b of the air outlet 12 are respectively 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 flow flows in the order of the compressor 17, the four-way valve 18, the indoor heat exchanger 15, the capillary tube 19, and the outdoor heat exchanger 20. During cooling operation, the flow flows through the compressor 17, the four-way valve 18, and the outdoor heat exchanger 2o.
, the capillary tube 19 and the indoor heat exchanger 15 in this order.

Here, 21a to 21d are temperature detection means that indirectly detect the temperature of the air outlet. That is, 21a is a temperature sensor that detects the pipe temperature of the indoor heat exchanger 20, 21b is a current detector that detects the current of the compressor 17, and 21c is the compressor 17.
21d is a pressure detector that detects the pressure of the pipes of the indoor heat exchanger 15.

In order to detect the blowout temperature, it is conceivable to provide a temperature sensor directly at the blowout port 12, but it can also be detected from the temperature, pressure, and current of each part described in 1. Either of these can be selected or used in combination. It is also possible.

Further, 21e is a temperature detector that detects the suction temperature,
This is an example of a temperature detection means for detecting room temperature, and the room temperature detection location is not limited to the vicinity of the suction port.

Next, a circuit diagram of the main part of this embodiment is shown in FIG. The microcomputer 22 includes a storage section 23 that stores a preset temperature, and a drive signal generation means 24 that generates an appropriate utility signal from a comparison between the set value stored in the storage section 23 and an input value. There is. A thermistor 21, which is temperature detection means, is connected to the input side of this microcomputer via a comparator 25, and the output side of each motor 3.
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. Here, 27 is a bias resistor, 2
8 is a scan resistance.

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

The blowout temperature t is the temperature detected by the thermistor 21, and tl is the set temperature. When this blowing temperature t is lower than the set temperature t1, 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 to the right moves the upper and lower deflection blades 1 to the horizontal position (upward position if necessary), and rotating the left motor 9a to the right moves the left deflection blade 5a to the left and the right motor 9b. Rotating to the left indicates driving the right deflection blade 5b to the right. That is, the air from each outlet 14 is horizontally divided as shown in FIG.

At this time, it is not known what initial state the upper and lower deflection blades 1, left deflection blade 5a, and right deflection blade 5b are in, but after driving each motor 9a, 9b, and 9c, they must be rotated to the above positions. It is something that moves. That is, when the deflection is already at the same position as the position after driving in the initial state, the motor is not rotated by a load resistance such as a stopper, or the motor is idled. After each motor 9a, 9b, 9c rotates (before or during rotation, as required), the temperature of the thermistor 21 and the set temperature are compared again.

Next, if the temperature t of the thermistor 21 is lower than the set temperature t1 and the elapsed time T is greater than the set time T1, 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. When the flow is already in the horizontal branching state as shown in FIG. 8 before this operation, only the upper and lower deflection blades 1 are substantially deflected.

Next, when the temperature t of the thermistor 21 is higher than the set temperature t1, 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. That is, the blown air is concentrated downward, as shown in FIG. 10.

By performing the above operations, the cold air, which is not pleasant for the user's body, is diverted horizontally so that it does not directly hit the human body, and when the temperature of the blast is warmed to a certain extent, it is diverted downward so that it indirectly hits the human body. When the temperature of the air is high enough, there is no problem even if the air is directly sprayed onto the human body, so the air is concentrated downward.

The effect of such an operation at the start of heating operation will be explained. First, since the temperature of the air outlet immediately after heating operation starts is low, it is not desirable for the air to directly hit the human body. Furthermore, even if the air within the living space does not directly hit the human body, the air within the living space will feel lower than the actual room temperature, so it is preferable that the movement of the air within the living space be small. That is, by using the horizontal branch air outlet, the blown air is mixed only in a part of the living space 1, and a heating effect is performed without making the human body feel cold.

Next, when a certain predetermined period of time has elapsed and the temperature of the air outlet becomes high to a certain extent, the air outlet is diverted downward, 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 first, the rise time can be shortened and the temperature distribution within the living space can be made uniform.

Effects of the Invention As is clear from the description of the above-mentioned embodiments, the present invention changes from a horizontal branch outlet to a downward branch outlet when a certain set time elapses before the outlet temperature reaches a certain set temperature. When the blowout 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 balloon as well as a branched balloon,
It is possible to prevent the mixing of air in only a part of the living space, and to prevent large air movements in the lower part of the living space, so you can feel the cold. There is no.

In addition, when the set temperature with an elapsed time is high (the temperature of the air blowout is high), it becomes a downward branching airflow, which means that the temperature is distributed from the lower part of the living space, that is, from the wall surface, making the temperature distribution uniform. If this occurs, the blown air will directly hit the human body, and the blown air cannot be blown downward until the blown air temperature becomes sufficiently high. However, since it is a branched blown air, it is possible to blow the air downward when the temperature rises to a certain degree. This allows the heating effect to be efficiently achieved and the lilies to grow quickly.

Further, even when the above operation is performed due to a change in room temperature, effective heating can be performed in the same way.

[Brief explanation of drawings]

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. Figure 4 is a vertical sectional view of the air conditioner, Figure 5 is a refrigerant circuit diagram of the air conditioner, and Figure 6 is a diagram of the air conditioner. An electrical circuit diagram of the main parts, Fig. 7 is a flowchart showing the control details of the air deflection device, Fig. 8 is an explanatory diagram showing the horizontal shunt Suita state in the air conditioner, and Fig. 9 shows the downward shunt blowing state. FIG. 10 is an explanatory diagram showing the downward concentrated blowing state, FIGS. 11 and 12 are a perspective view and a cross-sectional view of a main part of a conventional wind direction deflection device, respectively, and FIG. 13 is a diagram of the present invention. FIG. 2 is a block diagram showing a control device according to the present invention. 1... Vertical wind direction deflection blade, 3 Medium motor, 5a.
Left deflection blade, 5b...Right deflection blade, 9a...Left motor, 9b...Right motor, 10 - Indoor unit, 12
... Air outlet, 15... Indoor heat exchanger, 17... Compressor, 20 - Outdoor heat exchanger, 21a, 21e... Temperature sensor, 21b... Current detector, 21 c,
21 d...Pressure detector, 22...Microcomputer, 23...Storage unit, 24...Drive signal generation means. Agent's name: Patent attorney Toshi Nakao, male, fool 1 person 3-
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Figure 13

Claims (1)

[Claims] A compressor that compresses refrigerant, an air outlet that blows out air, a vertical deflection blade that vertically deflects the air blown out from the air outlet, and a compressor that is provided independently on the left and right sides of the air outlet and from the air outlet. Left and right deflection blades that branch and deflect the blown air in the left and right directions, driving means that reciprocates the upper and lower deflection blades and the left and right deflection blades, respectively, and air temperature detection means that detects the air temperature at the air outlet; an elapsed time detection means for detecting the elapsed time since the air conditioner started operating; a set temperature storage means for storing a preset blowing temperature; and a set time storage means for storing the preset elapsed time; temperature comparison means for detecting that the air temperature detected by the air temperature detection means becomes equal to the air temperature stored in the set temperature storage means; and a set time storage means for detecting that the elapsed time detected by the elapsed time detection means is equal to the air temperature stored in the set temperature storage means. a time comparison means for detecting that the time has become equal to a set time stored in the temperature comparison means; and a drive signal generation means for supplying a drive signal to each of the drive means in response to a command from the temperature comparison means or the time comparison means. Before the temperature and elapsed time reach a predetermined value, the air blowing direction is horizontal or upward and branched to the left and right, and when the air temperature reaches a predetermined value, the air blowing direction is downward and concentrated in the center. If the elapsed time reaches a predetermined value before the blowing temperature reaches a predetermined value, the blowing direction is once deflected downward and in a direction branching left and right, and when the blowing temperature reaches a predetermined value. A method of deflecting the air direction of an air conditioner in which the direction of air is deflected downward and concentrated in the center.