JP3918866B1 - Air conditioner - Google Patents

Abstract

An air conditioner that suppresses a decrease in air blowing performance at an air outlet and has less deflection of an up-and-down wind direction changing blade.
An air outlet 6 that blows out air heat-exchanged by a heat exchanger (not shown), an up and down airflow direction changing blade 30 that is arranged at the air outlet 6 and changes the vertical direction of the air blown out, A pair of variable first and second arms 31a and 31b having a support column 8 disposed at the outlet 6 and provided with a vertical wind direction changing blade 30 outside the left and right end faces of the outlet 6; The upper and lower airflow direction changing blades 30 are a pair of first and second arms, and are supported by a third arm portion 31c that is provided along the support column 8 and is variable. Since it is held by the portions 31a and 31b and the third arm portion 31c provided between them, there is little bending at the center portion, and the third arm portion 31c is disposed along the support column 8. As a result, the increase in blowing resistance can be minimized.
[Selection] Figure 1

Description

  The present invention relates to an air conditioner that performs indoor air conditioning.

Conventionally, as this type of air conditioner, the air outlet is provided with an up / down air direction change vane that controls the direction of the up / down air blowing direction through a variable arm part, and there is no air flow feeling during cooling operation, heating operation Some have created a comfortable living environment with chills (see, for example, Patent Document 1).
JP 2002-31400 A

  However, in the configuration of the conventional air conditioner described in Patent Document 1, since both ends of the vertical air direction changing blade are held by the pair of arm portions via the rotation support portion, the long vertical air direction changing blade is long. However, there is a problem in that the center portion is bent and stable wind direction control cannot be obtained. On the other hand, in order to reduce the deflection of the central portion of the up / down airflow direction vanes, if it is attempted to shorten the distance between the pair of arm portions, the arm portions need to be disposed in the air outlet, which increases the blowing resistance. There existed a subject that ventilation performance fell.

  Moreover, in the structure of the said patent document 1, the assembly method to the air conditioner main body of an up-and-down wind direction change blade | wing or an arm part is not mentioned.

  The present invention solves the above-described conventional problems, and improves the deflection of the up-and-down air direction changing blade while minimizing the decrease in the air blowing performance at the air outlet, so that stable up-and-down air direction control is obtained. An object is to provide an air conditioner.

In order to solve the above-described conventional problems, an air conditioner of the present invention includes a heat exchanger, an air outlet that blows out air that has been heat-exchanged by the heat exchanger, and an air that is disposed and blown out at the air outlet. pair consisting of upper and lower air direction changing blade changing the vertical orientation, the strut disposed in the air outlet, a pre-Symbol first arm portion provided on the outer side of the right and left end faces of the air outlet and a second arm portion A variable arm portion, another variable arm portion located between the pair of arm portions and provided along the support column, a drive source for changing the first arm portion, and the drive A transmission means for transmitting the driving force of the source to the second arm portion and the other arm portion, and the vertical wind direction change blade is rotatably held by the pair of arm portions and the other arm portion; and, by rotating the pair of arms and the other arm portion by driving the drive source The vertical air direction changing blade is to be held by the pair of arms and the other arm portion provided therebetween, it is possible to improve the deflection of the central portion. Moreover, since the other arm part provided between the pair of arm parts is disposed along the support column of the air outlet, it is possible to suppress an increase in blowing resistance to a minimum. Further, the force for driving the first arm portion by the connecting means can be transmitted to the second arm portion and the third arm portion.

  Since the air conditioner of the present invention can eliminate the deflection of the up / down air direction changing blades, stable air direction control in the up / down direction is possible.

1st invention is a heat exchanger, the blower outlet which blows off the air heat-exchanged with the said heat exchanger, the up-and-down air direction change blade | wing which changes the direction of the up-down direction of the air arrange | positioned and blown off at the said blower outlet, a post disposed in the air outlet, a pre-Symbol first arm portion and a pair of variations possible arm portion and a second arm portion provided on the outer side of the right and left end faces of the air outlet, said pair of arms Another variable arm portion which is located between the portions and provided along the support column, a driving source which varies the first arm portion, and a driving force of the driving source which is the second arm portion Transmission means for transmitting to the other arm part, the upper and lower wind direction changing blades are rotatably held by the pair of arm parts and the other arm part, and the drive source is driven to drive the pair. arms and the other arm portion by rotating the said upper and lower air direction changing blade, said pair of arms To be held at other arm portion provided therebetween, it is possible to improve the deflection of the central portion. Moreover, since the other arm part provided between the pair of arm parts is disposed along the support column of the air outlet, it is possible to suppress an increase in blowing resistance to a minimum. Further, the force for driving the first arm portion by the connecting means can be transmitted to the second arm portion and the third arm portion.

In the second invention, in particular, each of the pair of arms and the other arms of the first invention has an arm and a casing, and the arm is held variably in the casing. Is stabilized, and attachment of the arm part to the air conditioner body is facilitated.

  In particular, the third invention is such that each of the pair of arms and the other arms of the first or second invention is supported and fixed to the blowing grill forming the blowout port, and the vertical wind direction with respect to the blowout port. The change blade can be assembled with high accuracy.

  In the fourth invention, in particular, the other arm portion of the third invention is supported and fixed to the support column, and the assembling property of the other arm portion to the blowing grill can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Below, the air conditioner in the 1st Embodiment of this invention is demonstrated using FIGS. FIG. 1 is a cross-sectional view of the air conditioner according to the present embodiment, and FIG. 2 is a front view of the air conditioner.

  The air conditioner 10 in the present embodiment forms a suction port 5 from the front surface to the upper surface of the main body 10a, and has a heat exchanger 1, a fan 2, and a blowout grill 7 inside the main body 10a. The heat exchanger 1 is disposed on the upstream side of the fan 2, and the blowout grill 7 forms a blowout port 6 that blows out the air heat-exchanged by the air passage 9 on the downstream side of the fan 2 and the heat exchanger 1. . In addition, the air outlet 6 is provided with a left and right air direction changing blade 22 that blows the wind left and right, and a left and right air direction changing blade 22 and a support column 8 for securing the strength of the air outlet 6.

  The air conditioner 10 opens and closes a panel 20 that opens and closes the front suction port 5, an up and down air direction changing blade 30 that opens and closes the air outlet 6 and changes the vertical direction of the blown air, and opens and closes a lower passage of the suction port 5. Middle blade 40.

  The arm portion 31 includes an arm 36 and a casing 37, and the arm 36 is held by the casing 37 so as to be variable. The arm portion 31 is held inside the main body 10 a of the air conditioner 10, and the rotation support portion 32 of the up / down air direction changing blade 30 is rotatably held at the tip of the arm 36.

  As shown in FIG. 2, the arm portion 31 is composed of a first arm portion 31a, a second arm portion 31b, and a third arm portion 31c. The first arm portion 31 a is provided outside the left end surface of the air outlet 6 formed on the blow grill 7 (outside the air passage 9), and the second arm portion 31 b is outside the right end surface of the air outlet 6. (Outside the air passage 9). The third arm portion 31c is located between the first arm portion 31a and the second arm portion 31b, and is provided along the support column 8 disposed in the air outlet 6, Each of the third arm portions 31 a to 31 c is connected by a connecting rod 33.

The first arm portion 31a is provided with an arm portion driving motor 34 and a blade driving motor 35. The arm portion driving motor 34 is rotated by the connecting rod 33 with the third arm portion 31c. It is transmitted to the second arm portion 31b. On the other hand, the rotational power of the blade driving motor 35 is transmitted to the rotation support portion 32 of the vertical wind direction changing blade 30 via a drive transmission means (not shown) such as a rope or a belt, and the vertical wind direction changing blade 30 is rotated. It is supposed to let you.

  As shown in FIG. 1, the panel 20 is opened and closed by a panel drive mechanism 21 provided on the back side thereof, and the middle blade 40 is driven by a middle blade drive motor 41 provided on the left back side. It has become.

  The operations of the panel drive mechanism 21 and the middle blade drive motor 41 are controlled by an operation control unit (not shown). The operation control unit also controls driving of the arm drive motor 34 and the blade drive motor 35.

  Next, operation | movement of the air conditioner in this Embodiment is demonstrated using FIGS. 3-7 is sectional drawing which shows the ventilation operation | movement of the air conditioner in this Embodiment.

  FIG. 3 is a diagram illustrating a stopped state of the air conditioner 10, and the panel 20, the up / down wind direction changing blade 30, and the middle blade 40 are all closed.

  When the air conditioner 10 wind direction change mode is set to the upward direction (mainly during cooling operation) with the remote controller (not shown) and the operation of the air conditioner 10 is started, as shown in FIG. The panel 20 moves forward away from the suction port 5 by the operation of the mechanism 21. At the same time, the arm 36 is rotated by the arm drive motor 34, and the up / down air direction changing blade 30 moves forward away from the outlet 6. Further, with a slight delay from the operation of the panel 20, the upper end portion 40 a of the middle blade 40 rotates in a direction away from the suction port 5 by the operation of the middle blade driving motor 41.

  As shown in FIG. 5, the panel 20 operates to a position farthest from the suction port 5 and operates to a position where the upper end portion 40 a of the middle blade 40 contacts the lower end of the panel 20. On the other hand, the blade driving motor 35 rotates the up / down airflow direction changing blade 30, and the lower end 30 a abuts the lower end of the most downstream end of the air outlet 6. And the air heat-exchanged with the heat exchanger 1 is blown in the upward direction in the state as shown in FIG.

  The blown air is blown upward or horizontally along the blade shape of the up-and-down air direction changing blade 30 and guided to the far side in the depth direction of the room, so that the cold air is directly applied to the person in the room. Can be prevented.

  The operation from the upward air blowing state to the stop state is from the upward air blowing state shown in FIG. 5 to the stop state shown in FIG. 3 through the state shown in FIG. Since the operation is the reverse of the operation from the upward to the upward blowing state, the description thereof is omitted.

  Next, the operation leading to the downward air blowing state will be described.

  When the operation is started by setting the air direction change mode of the air conditioner 10 to the downward direction (mainly during heating operation) with the remote controller, the operation is changed from the stop state shown in FIG. 3 to the state shown in FIG. Since the operation is the same as that of the upward air blowing, the description thereof is omitted.

  After the state shown in FIG. 6, as shown in FIG. 7, the panel drive mechanism 21 moves the panel 20 to the position farthest from the inlet 5. On the other hand, the blade driving motor 35 rotates the up-and-down air direction changing blade 30, and the upper end 30 b abuts on the upper part of the downstream end of the outlet 6. And in the state shown in FIG. 7, ventilation is performed in the downward direction.

  The air blown out by heat exchange in the heat exchanger 1 is guided directly below the floor of the living room along the shape of the up-and-down air direction changing blades 30, so that hot air is directly applied to the person in the living room. Can be prevented.

  The middle blade 40 may be operated or may not be operated.

  The operation from the downward air blowing state to the stop state is from the downward air blowing state shown in FIG. 7 to the stop state shown in FIG. 3 through the state shown in FIG. 6, but each operation is downward from the stop state. Since the operation is the reverse of the operation to the blowing state, the description is omitted.

  Next, the operation leading to the oblique ventilation state will be described.

  When the operation is started by setting the air direction change mode of the air conditioner 10 to an oblique direction (cooling operation, heating operation, etc.) with the remote controller, the operation from the stop state shown in FIG. 3 to the state shown in FIG. Since the operation is the same as that of the upward air blowing, the description thereof is omitted.

  Next, after the state shown in FIG. 6, as shown in FIG. 8, the panel 20 moves to the position farthest from the suction port 5 by the operation of the panel drive mechanism 21. On the other hand, the blade driving motor 35 rotates the up-and-down air direction changing blade 30 so that the air is blown in an oblique direction. Here, the up / down wind direction changing blade 30 may be swung at a predetermined angle by the blade driving motor 35. Further, the middle blade 40 may be operated or may not be operated.

  The air blown out by heat exchange in the heat exchanger 1 is guided to the center of the living room along the blade shape of the up-and-down air direction changing blade 30, so that direct cold air or hot air is applied to people living in the room. Can do. This blowing state is mainly used at the start of cooling and heating operations.

  The operation from the oblique ventilation state to the stop state is from the oblique ventilation state shown in FIG. 8 to the stop state shown in FIG. 3 through the state shown in FIG. 6, but each operation is changed from the stop state to the oblique ventilation state. Since this operation is the reverse of the operation, the description is omitted.

  Moreover, although description of operation | movement is abbreviate | omitted, the transfer operation | movement between each ventilation state is also possible.

  As described above, in the present embodiment, the up / down wind direction changing blade 30 is composed of a pair of the first arm portion 31a and the second arm portion 31b, and the third arm portion 31c positioned therebetween. Therefore, even if the wind pressure is received in each blowing state, the up / down wind direction changing blade 30 is not bent, and stable wind direction control can be obtained. Further, the first arm portion 31 a and the second arm portion 31 b are provided outside the air passage 9, and the third arm portion 31 c is provided along the support column 8 provided in the air outlet 6. The increase in resistance can be minimized.

  Further, as shown in FIG. 9, the first arm portion 31 a, the second arm portion 31 b, and the third arm portion 31 c are fixed to the blowing grill 7 as a configuration for holding the arm portion 31 to the main body 10 a. Thereby, the up-and-down wind direction change blade | wing 30 can be accurately assembled with respect to the blower outlet 6. FIG.

  Further, as a structure for fixing the third arm portion 31c to the blowout grill 7, as shown in FIG. 10, the blowout grille of the third arm portion 31c is directly attached to the column 8 disposed on the blowout grill 7. Assembling property to 7 can be improved.

As described above, the air conditioner of the present invention suppresses the deterioration of the air blowing performance at the air outlet and has a small deflection of the up / down air direction changing blades, and is not limited to the air conditioner but also to the dehumidifier and the air purifier. Applicable.

Sectional drawing of the air conditioner in Embodiment 1 of this invention Front view of the air conditioner Sectional drawing which shows the stop state of the air conditioner Sectional drawing which shows the ventilation operation | movement of the air conditioner Sectional drawing which shows the upward ventilation state of the air conditioner Sectional drawing which shows the ventilation operation | movement of the air conditioner Sectional drawing which shows the downward ventilation state of the air conditioner Sectional drawing which shows the diagonal ventilation state of the air conditioner The perspective view which shows the holding structure of the arm part of the same air conditioner The principal part perspective view which shows the holding structure of the arm part of the air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heat exchanger 2 Fan 5 Inlet 6 Outlet 7 Outlet grill 8 Strut 9 Air passage 20 Panel 21 Panel drive mechanism 22 Left and right wind direction change blade 30 Vertical air direction change blade 31 Arm part 31a First arm part (arm part)
31b Second arm (arm)
31c Third arm (arm)
32 Rotation Support Unit 33 Connecting Rod 34 Arm Drive Motor 35 Blade Drive Motor 40 Middle Blade 41 Middle Blade Drive Motor

Claims (4)

A heat exchanger, an air outlet for blowing out the air heat-exchanged by the heat exchanger, an up-and-down air direction changing blade arranged at the air outlet to change the vertical direction of the air to be blown out, and the air outlet a post which is, before Symbol first arm portion and a pair of variations possible arm portion and a second arm portion provided on the outer side of the right and left end faces of the air outlet, as well as the position between the pair of arms Other variable arm portions provided along the support column, a drive source that varies the first arm portion, and a driving force of the drive source to the second arm portion and the other arm portion Transmitting means for transmitting, holding the upper and lower wind direction changing blades rotatably between the pair of arms and the other arms, and driving the drive source to drive the pair of arms and the other The air conditioner characterized by rotating the arm part of the air conditioner. 2. The air conditioner according to claim 1, wherein each of the pair of arms and the other arms includes an arm and a casing, and the arms are held variably by the casing. The air conditioner according to claim 1 or 2, wherein each of the pair of arm portions and the other arm portions is supported and fixed to a blow-out grill that forms a blow-out port. The air conditioner according to claim 3, wherein the other arm portion is supported and fixed to the support column.

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