WO2018154804A1

WO2018154804A1 - Air conditioner

Info

Publication number: WO2018154804A1
Application number: PCT/JP2017/024094
Authority: WO
Inventors: 光徳西田
Original assignee: シャープ株式会社
Priority date: 2017-02-21
Filing date: 2017-06-30
Publication date: 2018-08-30
Also published as: JPWO2018154804A1; CN110291340A; JP6898423B2; CN110291340B

Abstract

An air conditioner comprises an outlet (16) provided in an indoor unit (1), a vertical air direction plate (21) that changes the direction of air blown from the outlet (16) in the vertical direction, and a drive unit (25) that drives the vertical air direction plate (21). The drive unit (25) is disposed on one end of the vertical air direction plate (21) in the lateral direction. The vertical air direction plate (21) is provided with a projection (27) projecting from a position different than a rotational shaft (26) to the outside in the lateral direction on the end opposite to the side on which the drive unit (25) is disposed. In addition, the indoor unit (1) is provided with a biasing force application unit (30) that applies a biasing force on the projection (27). The biasing force application unit (30) biases the vertical air direction plate (21) toward a stop state position while the vertical air direction plate (21) is in the range from the position of the stop state thereof to the position of the state when same is moved to a prescribed angle in the direction of movement.

Description

Air conditioner

One aspect of the present invention relates to an air conditioner, and more specifically to a peripheral structure of a wind direction plate provided in the air conditioner.

The air conditioner is provided with an up / down wind direction plate (also referred to as an up / down wind direction louver) that deflects the direction of the wind blown out from the outlet. The vertical wind direction plate has a support shaft, a motor is connected to one end of the support shaft, and the other end is supported by a bearing so that the vertical wind direction plate can freely rotate.

In recent years, there has been a problem that the up-and-down wind direction plate is twisted by the torque due to its own weight due to the increase in weight accompanying the increase in size of the up-and-down wind direction plate. Therefore, for example, Patent Document 1 proposes an air conditioner that includes a support shaft of an up / down wind direction plate (up / down wind direction deflecting blade) provided with a twist suppression mechanism for suppressing torsion due to its own weight. Yes.

This twist suppressing mechanism includes a rotating member and an urging member. The rotating member is connected to the other end of the support shaft (the end opposite to the end where the motor is disposed) and rotates as the support shaft rotates. The urging member contacts the rotating member at a position eccentric from the rotation center of the rotating member, and urges the rotating member in a direction to reduce the torque applied to the support shaft by the weight of the vertical wind direction plate.

JP 2016-99081 A

However, the twist suppressing mechanism disclosed in the cited document 1 is always applied in the direction of closing the vertical wind direction plate (that is, in the entire movable region of the vertical wind direction plate both when closing and opening the outlet). It is fast. Therefore, the load applied to the urging member is large.

Therefore, an object of one aspect of the present invention is to provide an air conditioner that can reduce a load applied to an urging member in a mechanism for suppressing torsion of an up-and-down wind direction plate.

An air conditioner according to one aspect of the present invention includes a blowout port provided in an indoor unit, a vertical wind direction plate that is rotatable with respect to a rotation axis, and that changes the direction of the wind blown from the blowout port in the vertical direction. And a drive unit for operating the vertical wind direction plate. The said drive part is arrange | positioned at the one end part side of the left-right direction of the said up-down wind direction board. The vertical wind direction plate is provided with a protrusion protruding outward in the left-right direction from a position different from the rotation shaft at an end opposite to the end where the driving unit is disposed. . The air conditioner includes an urging force applying unit that applies an urging force to the protrusion. The urging force applying unit moves the vertical wind direction plate to the position in the stopped state within a range from the position in the stopped state to a position in a state where the vertical wind direction plate is operated to a predetermined angle in the operation direction. Energize in the direction of.

The air conditioner according to one aspect of the present invention includes the urging force imparting unit, and thus can suppress the twist of the vertical wind direction plate. Further, the urging force applying unit applies urging force to the vertical wind direction plate in a range from a position when the vertical wind direction plate is in a stopped state to a position where the vertical direction plate is operated to a predetermined angle in the operation direction. Therefore, the load applied to the urging force applying unit can be reduced.

It is a perspective view which shows the external appearance of the indoor unit of the air conditioner concerning one Embodiment of this invention. It is a perspective view which shows the state which opened the flap of the indoor unit shown in FIG. It is a perspective view which shows the structure of the up-and-down wind direction board with which the indoor unit shown in FIG. 1 was equipped, and the wind direction board attachment mechanism. This figure shows a state in which the vertical wind direction plate is positioned above. It is a perspective view which shows the structure of the up-and-down wind direction board with which the indoor unit shown in FIG. 1 was equipped, and the wind direction board attachment mechanism. This figure shows a state in which the vertical wind direction plate is positioned below. It is a side view which shows the structure of the edge part (end part by which the urging | biasing force provision part is arrange | positioned) of the up-and-down wind direction board and wind direction board attachment mechanism shown in FIG. It is a perspective view which shows the structure of the edge part (end part by which the urging | biasing force provision part is arrange | positioned) of the up-and-down wind direction board and wind direction board attachment mechanism which are shown in FIG. This figure shows a state in which the vertical wind direction plate is positioned above. It is a perspective view which shows the structure of the edge part (end part by which the urging | biasing force provision part is arrange | positioned) of the up-and-down wind direction board and wind direction board attachment mechanism which are shown in FIG. This figure shows a state in which the vertical wind direction plate is positioned below. It is a side view for demonstrating operation | movement of an up-and-down wind direction board and a biasing force provision part. It is a side view for demonstrating operation | movement of an up-and-down wind direction board and a biasing force provision part. It is a side view for demonstrating operation | movement of an up-and-down wind direction board and a biasing force provision part. It is a side view which shows the structure of the right side wall part of a wind direction board attachment mechanism. It is a side view which shows the structure of the up-and-down wind direction board and the wind direction board attachment mechanism with which the indoor unit concerning the 2nd Embodiment of this invention was equipped. It is a top view which shows the structure of a part of up-and-down wind direction board, left-right wind direction board, and wind direction board attachment mechanism with which the indoor unit concerning the 3rd Embodiment of this invention was equipped. It is a side view which shows a part of up-down wind direction board with which the indoor unit concerning the 4th Embodiment of this invention was equipped, and the structure of a wind direction board attachment mechanism. It is a side view which shows a part of up-down wind direction board with which the indoor unit concerning the 5th Embodiment of this invention was equipped, and the structure of a wind direction board attachment mechanism.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are also the same. Therefore, detailed description thereof will not be repeated.

[First Embodiment]
<Overall configuration of air conditioner>
First, the whole structure of the air conditioner concerning this Embodiment is demonstrated. The air conditioner according to the present embodiment is a separate type air conditioner, and mainly includes an indoor unit 1 and an outdoor unit (not shown). FIG. 1 shows an external configuration of an indoor unit 1 of an air conditioner according to the present embodiment. FIG. 2 shows a state where the flap 15 of the indoor unit 1 is opened.

The outdoor unit is equipped with a compressor, an outdoor heat exchanger, a four-way valve, an expansion valve, and the like. These and an indoor heat exchanger (not shown) provided on the indoor unit 1 side constitute a refrigeration cycle. The outdoor unit is provided with an outdoor fan.

Next, the external configuration of the indoor unit 1 will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, the indoor unit 1 has a substantially rectangular parallelepiped shape, and is usually used by being hung on the upper part of the wall of the room. As described above, the indoor unit 1 is provided with an indoor heat exchanger. The indoor heat exchanger is connected to a compressor on the outdoor unit side through a refrigerant pipe (not shown). Thereby, this indoor unit 1 and the outdoor unit constitute a refrigeration cycle, and as a result, function as an air conditioner.

As shown in FIG. 1, the indoor unit 1 has an outer shape formed by a housing 10. The housing 10 is a resin product having a substantially rectangular parallelepiped shape. As shown in FIG. 1, the housing 10 mainly includes a front panel 11, a main body panel 12, a back panel 13, and a flap 15.

For convenience of explanation, the side on which the front panel 11 is arranged is the front side of the indoor unit 1, and the side on which the back panel 13 is arranged is the back side of the indoor unit 1. The direction from the front side to the back side of the indoor unit 1 or from the back side to the front side is referred to as the front-rear direction. Moreover, in the normal installation state of the indoor unit 1, the direction from the top to the bottom or from the bottom to the top is referred to as the up-down direction or the vertical direction. A direction intersecting or orthogonal to the vertical direction is referred to as a horizontal direction or a horizontal direction. Further, when the front panel 11 is viewed from the front, the side surface of the indoor unit 1 positioned on the right side is the right side surface, and the side surface of the indoor unit 1 positioned on the left side is the left side surface. In the present embodiment, when the up-and-down wind direction plate 21 is attached to the indoor unit 1, the drive motor (drive unit) 25 is disposed on the left end (one end) side in the left-right direction. And the protrusion 27 is provided in the right end part (end part on the opposite side to the edge part by which the drive part is arrange | positioned) of the up-and-down wind direction board 21. As shown in FIG.

The front panel 11 is located on the front surface (front surface) of the housing 10. The front panel 11 is attached to the main body panel 12 so as to be openable and closable. Normally, when the front panel 11 is opened, a filter (not shown) appears on the front surface. The filter (not shown) is provided below the suction port provided on the upper surface of the main body panel. The filter captures dust and dirt contained in the air taken into the indoor unit 1 from the suction port. On the back side of the filter, an indoor heat exchanger, a cross flow fan, and the like are arranged.

FIG. 2 mainly shows the indoor unit 1 in an operating state. As shown in FIG. 2, a blowout port 16 for sending out air sucked from the suction port is provided at the lower part of the main body panel 12. And the flap 15 is provided in the blower outlet 16 so that opening and closing is possible. A driving motor (not shown) is connected to the flap 15. The drive motor is communicatively connected to an electrical board (not shown) via electrical wiring, and the rotation angle of the flap 15 is adjusted according to a control signal from a control unit provided on the electrical board during operation of the air conditioner. Adjust. The electrical board is disposed, for example, in an electrical box disposed on the right side surface of the indoor unit 1. The drive motor is, for example, a stepping motor.

Further, as shown in FIG. 2, the air outlet 16 is provided with an up / down wind direction plate 21 and a left / right wind direction plate 41. The up / down wind direction plate 21 deflects the direction of the wind blown from the blowout port 16 up and down. The up / down wind direction plate 21 is also referred to as an up / down wind direction louver. The left and right wind direction plates 41 deflect the direction of the wind blown from the blowout port 16 to the left and right. The left / right wind direction plate 41 is also referred to as a left / right wind direction louver. In the present embodiment, the left and right wind direction plates 41 are disposed on the back side below the upper and lower wind direction plates 21 in a state where the upper and lower wind direction plates 21 are positioned above. However, the arrangement positions of the vertical wind direction plate 21 and the horizontal wind direction plate 41 are not limited to this.

The vertical wind direction plate 21 is operatively attached to a wind direction plate attachment mechanism 23 (see FIG. 3), as will be described later. The vertical wind direction plate 21 is connected to a drive motor (drive unit) 25 (see FIG. 3). The drive motor 25 is communicatively connected to an electrical board (not shown) via electrical wiring, and during operation of the air conditioner, the up and down wind direction plate 21 is in accordance with a control signal from a control unit provided on the electrical board. Adjust the vertical angle. The drive motor 25 is, for example, a stepping motor.

The left and right wind direction plates 41 are also connected to a drive motor (not shown). The drive motor is communicatively connected to an electrical board (not shown) via electrical wiring, and the left and right wind direction plates 41 are controlled in accordance with control signals from a control unit provided on the electrical board during operation of the air conditioner. Adjust the direction angle. The drive motor is, for example, a stepping motor.

<Configuration of wind direction plate mounting mechanism>
Next, a more specific configuration of the wind direction plate mounting mechanism 23 to which the vertical wind direction plate 21 is mounted will be described with reference to FIGS. 3 to 5.

3 and 4 show the configuration of the up / down wind direction plate 21 and the wind direction plate mounting mechanism 23. FIG. FIG. 3 shows a state in which the up / down wind direction plate 21 is located at the uppermost position. FIG. 4 shows a state in which the up / down wind direction plate 21 is positioned below. FIG. 5 is a diagram illustrating a configuration of a side surface portion of the wind direction plate mounting mechanism 23. In FIG. 5, the side (right side surface in this embodiment) in which the urging | biasing force provision part 30 which gives urging | biasing force with respect to the up-down wind direction board 21 is provided is shown.

As shown in FIG. 2, the vertical wind direction plate 21 extends in the left-right direction along the blowout port 16. As shown in FIG. 4 etc., the up-down wind direction board 21 is a substantially plate-shaped member which has a substantially rectangular shape. The up / down wind direction plate 21 is operatively attached to the wind direction plate attachment mechanism 23.

Specifically, the rotation shafts 26 (the right rotation shaft 26R and the left rotation shaft 26L) located at the left and right ends of the vertical wind direction plate 21 are pivotally supported by the wind direction plate mounting mechanism 23. The right rotation shaft 26R and the left rotation shaft 26L are formed so as to be positioned coaxially.

Further, a protrusion 27 projecting outward (right side) is provided at the right end of the vertical wind direction plate 21. The protrusion 27 is provided at a position different from the rotation shaft 26R. The position of the protrusion 27 is not particularly limited as long as it is the right end of the up-and-down wind direction plate 21, but in the present embodiment, when the up-and-down wind direction plate 21 is in the stopped state, the rear side of the rotating shaft 26R. It is arrange | positioned so that it may be located diagonally upward. The protrusion 27 protrudes in a direction substantially parallel to the rotation shaft 26R. The protrusion 27 is disposed so as to protrude outward (right side) from the opening 28 formed in the right side wall 24R. And the protrusion 27 moves in the opening part 28 according to operation | movement of the up-and-down wind direction board 21 (refer FIGS. 8-10).

As shown in FIG. 5, the wind direction plate mounting mechanism 23 is located on the rear side and the upper side of the vertical wind direction plate 21 when the vertical wind direction plate 21 is in a stopped position. As shown in FIGS. 3 and 4, the wind direction plate mounting mechanism 23 mainly includes a main body 22, a right side wall (side wall) 24 R, and a left side wall 24 L. The main body 22 extends in the left-right direction along the arrangement direction of the up-down wind direction plate 21. The wind direction plate mounting mechanism 23 may be integrated with a drain pan that receives drain water of the indoor heat exchanger.

The right wall 24R is located at the right end of the main body 22. Further, the right wall 24R is located on the right side of the up / down wind direction plate 21. That is, the right wall 24R is positioned further to the right (outside) of the right end of the up-and-down wind direction plate 21.

The left wall 24L is located at the left end of the main body 22. Further, the left side wall portion 24L is located on the left side of the up and down wind direction plate 21. That is, the left wall 24L is located further to the left (outside) of the left end of the up / down airflow direction plate 21.

Thus, the vertical wind direction plate 21 is sandwiched between the right side wall 24R and the left side wall 24L. Then, the right rotation shaft 26R and the left rotation shaft 26L of the up-and-down wind direction plate 21 are pivotally supported by the right wall portion 24R and the left wall portion 24L, respectively. Thereby, the up-and-down wind direction board 21 is rotatably supported with respect to the wind direction board attachment mechanism 23 by using the rotating shaft 26 as the rotation center P1 (see FIG. 5). The up-and-down wind direction plate 21 can rotate in both forward and reverse directions.

On the left side of the wind direction plate mounting mechanism 23, a drive motor 25 that drives the operation of the vertical wind direction plate 21 is disposed. In the present embodiment, the drive motor 25 is arranged on the left side (outside) of the left side wall 24L so as to be adjacent to the left side wall 24L.

Further, an urging force applying portion 30 that applies an urging force to the upper and lower wind direction plates 21 is provided at the right end portion (that is, the right side wall portion 24R) of the wind direction plate mounting mechanism 23. The biasing force applying unit 30 is disposed at the end opposite to the side where the drive motor 25 is disposed.

The urging force applying unit 30 applies an urging force to the protrusions 27 of the vertical wind direction plate 21. And the urging | biasing force provision part 30 is between the range (predetermined range) to the position of the state which operated the up-and-down wind direction board 21 from the stop position (position shown in FIG. 5) to the operation direction to the predetermined angle. Then, the vertical wind direction plate 21 is urged in the direction of the position in the stopped state (that is, the direction of the arrow F2 shown in FIG. 5).

<Configuration of Energizing Force Applying Unit 30>
Next, a more specific configuration of the urging force applying unit 30 will be described with reference to FIGS. 3 to 7. 6 and 7 are perspective views showing the periphery of the urging force applying portion 30 of the wind direction plate mounting mechanism 23 in an enlarged manner. FIG. 6 shows a case where the up-and-down wind direction plate 21 is at the stop position. FIG. 7 shows a state when the up / down wind direction plate 21 is positioned below the predetermined range.

The urging force applying unit 30 acts on the protrusions 27 of the up and down wind direction plate 21. That is, the urging force applying unit 30 applies an urging force to the protrusion 27.

The urging force applying unit 30 includes a coil spring 31 and a contact member 32. The coil spring 31 has a front end 31a (see FIG. 6) connected to the right side wall 24R (specifically, the upper protrusion 29) of the wind direction plate mounting mechanism 23, and a rear end 31b (see FIG. 6). ) Is connected to the contact member 32 (specifically, the hole 37). Thus, in the present embodiment, the coil spring 31 is disposed along the front-rear direction of the indoor unit 1.

The contact member 32 is rotatably attached to the right side wall 24R by a connecting member 33 such as a screw. That is, the contact member 32 is rotatable at the rotation center P2 (see FIG. 5). The contact member 32 is provided with a regulating member 34 (opening 34 a) that regulates the rotation range of the contact member 32. The contact member 32 has a contact portion 35 (see FIG. 5) that contacts the protrusion 27 and applies a biasing force to the protrusion 27.

More specifically, as shown in FIGS. 6 and 7, the contact portion 35 includes a rear-side inclined surface (first inclined portion) S 1 and a front-side inclined surface (second inclined portion) S 2. Have. When the up-and-down wind direction plate 21 is positioned above the virtual plane H1 (see FIG. 5), the inclined surface S1 comes into contact with the protrusion 27 and applies a biasing force F1 to the protrusion 27 (see FIGS. 5 and 6). ). On the other hand, when the up-and-down wind direction plate 21 is positioned below the virtual plane H1 (see FIG. 5), as shown in FIG. 7, the protrusion 27 is positioned forward of the inclined surface S2 and is in contact with the inclined surface S1. The contact state is released.

Further, the restricting member 34 includes an opening 34a formed in the abutting member 32 and a protrusion 34b provided on the side surface (right side) of the right side wall 24R on the abutting member 32 side. The protrusion 34b protrudes from the opening 34a. And when the contact member 32 rotates with respect to the right side wall part 24R, the relative position of the projection part 34b in the opening part 34a will be changed. Therefore, the rotation range of the contact member 32 can be regulated within a predetermined range by the shape of the opening 34a. Further, by providing the restriction member 34 having such a configuration, it is possible to suppress the displacement of the contact member 32. Further, it is possible to suppress the deviation of the track of the contact member 32 when the contact member rotates.

Further, the contact member 32 is formed with a hole 37 at the top end portion 32a. An end 31 b of the coil spring 31 is attached to the hole 37.

Next, a more specific configuration of the right side wall 24R to which the coil spring 31 and the contact member 32 are attached will be described with reference to FIG. FIG. 11 shows the right side wall 24R when the wind direction plate mounting mechanism 23 is viewed from the right side.

As described above, the right side wall portion 24R supports the rotation shaft 26R on the right side of the vertical wind direction plate 21. Thereby, the up-and-down wind direction board 21 rotates centering on the rotation center P1. An opening 28 is formed in the right side wall 24R. The opening 28 is formed along the rotation locus R1 of the protrusion 27 of the up-and-down wind direction plate 21.

Further, the right side wall 24R is provided with a protrusion 34b, an auxiliary protrusion 38, a rotation shaft 39, and the like at a position where the contact member 32 is attached. The protrusion 34 b is formed at a position corresponding to the opening 34 a of the contact member 32. As described above, the projecting portion 34 b serves as the regulating member 34 that regulates the rotation range of the abutting member 32 together with the opening 34 a of the abutting member 32. The auxiliary protrusion 38 is formed so as to come into contact with the contact member 32 along the rotation locus of the contact member 32. By providing the auxiliary protrusion 38, the rotating operation of the contact member 32 is performed more smoothly. A contact member 32 is attached to the rotation shaft 39 via a connecting member 33.

Further, an upper projection 29 is provided on the right side wall portion 24R above the front side thereof. An end 31 a of a coil spring 31 is attached to the upper protrusion 29.

<About the operation of the vertical wind direction plate>
Next, the operation of the up / down airflow direction plate 21 will be described with reference to FIGS. FIGS. 8 to 10 sequentially show how the up-and-down airflow direction plate 21 moves (rotates) from above to below.

When the air conditioner starts operation, the vertical wind direction plate 21 rotates (rotates) in a certain range in the vertical direction in accordance with a command from a control unit (not shown). Thereby, the direction of the wind which blows off from the blower outlet 16 of the indoor unit 1 can be changed to an up-down direction.

More specifically, when the air conditioner starts operation, the flap 15 is opened (see FIG. 2). Moreover, the position of the open state of the flap 15 may be in a position different from FIG. 2 depending on the blowing direction. In a state where the operation of the air conditioner is stopped, the flap 15 is closed as shown in FIG. At this time, the up-and-down wind direction plate 21 installed in the vicinity of the blowout port 16 is pushed up by the flap 15, and the up-and-down wind direction plate 21 is located at the uppermost part of the rotation range. FIG. 5 shows the state at this time. This state is defined as a position where the up-and-down wind direction plate 21 is stopped.

After the air conditioner starts operation and begins to open the flap 15, the control of the operation of the up and down wind direction plate 21 by the control unit is started. When the control unit instructs to move the vertical wind direction plate 21 downward, the drive motor 25 starts operation. And the up-and-down wind direction board 21 moves to the arrow A1 direction shown in FIG.

Here, the protrusion 27 of the vertical wind direction plate 21 is in contact with the contact member 32 until the center of gravity of the vertical wind direction plate 21 moves from the stop position to the height of the virtual plane H1. . Here, the virtual plane H1 means a horizontal plane having a height of the rotation center P1. 6 and 8 show the state at this time. At this time, the protrusion 27 is in contact with the contact portion 35 of the contact member 32. Therefore, the urging force F 1 acts on the protrusion 27 by the elastic force of the coil spring 31. Thereby, an upward force F 2 (that is, the direction of the position in the stopped state) acts on the vertical wind direction plate 21.

Therefore, when the up-and-down wind direction plate 21 moves downward (in the direction of arrow A1), it can act to push up the right side (opposite side of the drive motor 25) upward. Thereby, when the vertical wind direction plate 21 moves downward, it is possible to suppress the vertical wind direction plate 21 from being twisted by its own weight.

FIG. 9 shows a state where the up-and-down wind direction plate 21 moves further downward and its center of gravity is below the height position of the virtual plane H1. When the vertical wind direction plate 21 is positioned below the predetermined position, the protrusion 27 also moves forward in accordance with the operation of the vertical wind direction plate 21. Then, the contact member 32 is pushed and rotated by the protrusion 27, and the contact portion 35 of the contact member 32 rides on the protrusion 27 as shown in FIG. 9.

Thereby, the application of the urging force F1 to the protrusion 27 by the contact member 32 is released. When the application of the urging force F 1 to the protrusion 27 is released, the vertical wind direction plate 21 exerts a downward force by its own weight. Therefore, the up-and-down wind direction plate 21 moves further downward by the action of both the driving force by the drive motor 25 and its own weight.

FIG. 10 shows a state in which the up-and-down wind direction plate 21 is located at the lowest position in the operating range. In the state shown in FIG. 10, the protrusion 27 is located on the foremost side of the opening 28.

In addition, when the control unit instructs to move the vertical wind direction plate 21 upward, the drive motor 25 rotates in the reverse direction. And the up-and-down wind direction board 21 moves to the arrow A3 direction shown in FIG.

Even when the vertical wind direction plate 21 moves upward, the urging force is not applied to the protrusion 27 until the center of gravity of the vertical wind direction plate 21 reaches the height of the virtual plane H1, as in the case of moving downward. Not granted. When the center of gravity of the vertical wind direction plate 21 moves upward from the position of the height of the virtual plane H1, a biasing force is applied to the protrusion 27.

With the above-described configuration, the urging force applying unit 30 is configured so that the up-and-down wind direction plate 21 can move only when the up-and-down wind direction plate 21 is in a predetermined range (that is, while the center of gravity of the up-and-down wind direction plate 21 is above the virtual plane H1). A biasing force is applied to the protrusion 27. Thereby, it can suppress that the up-and-down wind direction board 21 twists with the torque by the dead weight of the up-and-down wind direction board 21. FIG. In other words, the urging force applying portion 30 for suppressing the twist of the vertical wind direction plate 21 can be appropriately applied at a position where the vertical wind direction plate 21 is more likely to be twisted. And the load concerning the urging | biasing force provision part 30 can be made small.

In addition, the biasing force is applied to the protrusions 27 of the vertical wind direction plate 21 only while the vertical wind direction plate 21 is located within a predetermined range (that is, while the center of gravity of the vertical wind direction plate 21 is above the virtual plane H1). While the up-and-down wind direction plate 21 is located within the predetermined range, the load on the drive motor 25 is large. However, when the up-and-down wind direction plate 21 is not located within the predetermined range, the load on the drive motor 25 is also reduced. Therefore, the load on the drive motor 25 can also be reduced.

<About the shape of the contact member 32>
Here, the preferable shape of the contact part 35 of the contact member 32 is demonstrated, referring FIG.

As described above, the contact portion 35 has two inclined surfaces (that is, inclined surfaces S1 and S2) that are inclined with respect to the locus R1 of the protrusion 27 when the up-and-down wind direction plate 21 operates. The inclined surface S1 is along the virtual line L1. Further, the inclined surface S2 is along the virtual line L2.

If the angles of the inclined surface S1 and the inclined surface S2 with respect to the locus R1 are θ1 and θ2, respectively, θ1> θ2. That is, the inclination angle θ1 of the inclined surface S1 that contacts the protrusion 27 when the vertical wind direction plate 21 moves downward is the inclination angle θ2 of the inclined surface S2 that contacts the protrusion 27 when the vertical wind direction plate 21 moves upward. Is bigger than.

When the contact portion 35 has the shape as described above, when the vertical wind direction plate 21 is in the stopped position (that is, when the vertical wind direction plate 21 is positioned at the uppermost position), the inclined surface S1 is the projection 27. It abuts on the locus R1 at a larger angle (for example, an angle close to a right angle). Thereby, a larger urging force can be applied to the protrusion 27.

Note that when the up-and-down wind direction plate 21 gradually moves downward from the stopped position, the contact member 32 rotates, so that the angle of the locus R1 of the protrusion 27 with respect to the inclined surface S1 gradually decreases. Therefore, when the up-and-down wind direction plate 21 operates downward, the urging force applied by the urging force applying unit 30 can be gradually reduced.

Further, when the vertical wind direction plate 21 moves from the lower side to the upper side, the angle of the locus R1 of the protrusion 27 with respect to the inclined surface S2 becomes θ2 smaller than θ1. Therefore, when the up-and-down wind direction plate 21 moves from the lower side to the upper side, the protrusion 27 more gently hits the contact member 32. Thereby, the operation | movement of the up-and-down wind direction board 21 can be performed more smoothly.

(Summary of the first embodiment)
As described above, the air conditioner according to the present embodiment includes the protrusion 27 and the urging force applying unit 30 that applies an urging force to the protrusion as a configuration for suppressing the twist of the vertical wind direction plate. Yes. And the urging | biasing force provision part 30 gives urging | biasing force with respect to the processus | protrusion 27 of the up-and-down wind direction board 21 only while the up-and-down wind direction board 21 is located in the predetermined range. Thereby, it can suppress that the up-and-down wind direction board 21 twists with the torque by the dead weight of the up-and-down wind direction board 21. FIG.

Note that the predetermined range can be set, for example, while the center of gravity of the vertical wind direction plate 21 is above the virtual plane H1. In addition, the predetermined range may be, for example, a range in which the downward rotation angle is about 20 degrees or less when the uppermost wind direction plate 21 is in the uppermost position (stopped state) is 0 degrees. it can.

According to this configuration, the urging force imparting portion 30 that functions to suppress the twist of the vertical wind direction plate 21 can be appropriately applied at a position where the vertical wind direction plate 21 is more likely to be twisted. And the load concerning the urging | biasing force provision part 30 can be made small.

In addition, as shown in FIG. 11, the projection 27 may be provided with a small projection 27a. The small protrusions 27a are provided so as to protrude from the main body portion of the protrusion 27 to the front side and the rear side along the rotation locus R1 of the protrusion 27, respectively. Thus, the strength of the protrusion 27 can be improved by forming the small protrusion 27 a having a shape along the rotation locus of the protrusion 27. Further, the urging force applied to the protrusion 27 from the urging force applying unit 30 can be made uniform. The small protrusion 27 a is lower in height than the protrusion 27 so as not to contact the contact member 32.

Further, in the present embodiment, in order to suppress twisting of the vertical wind direction plate 21 only at the right end of the vertical wind direction plate 21, that is, only at the end opposite to the side where the drive motor 25 is disposed. The configuration in which the urging force applying unit 30 is provided has been described. However, in another aspect of the present invention, the urging force imparting portions 30 may be provided at the end portions on both sides in the left-right direction of the up-down wind direction plate 21.

Further, the drive motor 25 and the urging force applying unit 30 may be arranged at opposite positions. That is, the drive motor 25 may be disposed on the right side of the up / down wind direction plate 21, and the urging force applying unit 30 may be disposed on the left side of the up / down wind direction plate 21. In this case, the right end portion in the left-right direction of the up-and-down wind direction plate 21 corresponds to one end portion side, and the left end portion in the left-right direction of the up-and-down wind direction plate 21 is “the end opposite to the end portion on the side where the drive unit is disposed”. Part ".

[Second Embodiment]
A second embodiment of the present invention will be described with reference to FIG. In FIG. 12, the structure of the up-and-down wind direction board 121 and the wind direction board attachment mechanism 123 with which the indoor unit 1 concerning 2nd Embodiment was equipped is shown. FIG. 12 shows the side (in the present embodiment, the right side surface) on which the urging force applying unit 130 that applies an urging force to the up and down wind direction plate 121 is provided. In addition, about structures other than the urging | biasing force provision part 130, the structure similar to 1st Embodiment is applicable. Therefore, constituent members to which the same configuration as that of the first embodiment can be applied are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted.

Similarly to the first embodiment, the up-and-down airflow direction plate 121 has the rotation shaft 26 (the right rotation shaft 126R and the left rotation shaft 26L). The rotating shaft 26 is pivotally supported by the right side wall portion 124R and the left side wall portion 24L of the wind direction plate mounting mechanism 123.

Further, a protrusion 127 protruding outward (right side) is provided at the right end of the up-and-down wind direction plate 121. The protrusion 127 is disposed so as to protrude outward (right side) from the opening 128 formed in the right wall portion 124R. The protrusion 127 moves in the opening 128 in accordance with the operation of the up / down wind direction plate 121.

The wind direction plate mounting mechanism 123 is located on the rear side and the upper side of the vertical wind direction plate 121 when the vertical wind direction plate 121 is in a stopped position. The wind direction plate attachment mechanism 123 mainly includes a main body 22, a right side wall (side wall) 124R, and a left side wall 24L. The wind direction plate attachment mechanism 123 may be integrated with a drain pan that receives drain water of the indoor heat exchanger.

The right wall portion 124R is located at the right end of the main body portion 22. In addition, a biasing force applying unit 130 that applies a biasing force to the vertical wind direction plate 121 is provided at the right end portion (that is, the right wall portion 124 R) of the wind direction plate mounting mechanism 123. The biasing force applying unit 130 is disposed at the end opposite to the side where the drive motor 25 is disposed.

The urging force applying unit 130 acts on the protrusion 127 of the up and down wind direction plate 121. That is, the urging force applying unit 130 applies an urging force to the protrusion 127.

The biasing force applying unit 130 includes a leaf spring 131 and a contact member 132. The leaf spring 131 is disposed on the front side of the contact member 132, for example.

The contact member 132 is rotatably attached to the right side wall portion 124R by a connecting member 133 such as a screw.

As in the first embodiment, the urging force applying unit 130 applies an urging force to the protrusion 127 of the vertical wind direction plate 121 when the vertical wind direction plate 121 starts operating. And the urging | biasing force provision part 130 moves the up-and-down wind direction board 121 in the range (predetermined range) from the position of the stop state to the position of the state which operated to the operation direction to the predetermined angle. Energize in the direction of the stop position.

More specifically, the protrusion 127 of the vertical wind direction plate 121 is moved until the center of gravity of the vertical wind direction plate 121 moves from the stop position to a predetermined height (for example, the height of the virtual plane H1). The contact member 132 is in contact. At this time, the protrusion 127 is in contact with the contact portion 135 of the contact member 132. For this reason, the urging force F 1 is exerted on the protrusion 127 by the elastic force of the leaf spring 131. Thereby, an upward force (that is, the direction of the position in the stopped state) acts on the vertical wind direction plate 121.

On the other hand, when the vertical wind direction plate 121 moves below a predetermined height, the projection 127 also moves forward in accordance with the operation of the vertical wind direction plate 121. Then, the contact member 132 is pushed by the protrusion 127 and rotates. Thereafter, the protrusion 127 moves forward of the contact portion 135 along the opening portion 128.

Thereby, the application of the urging force F1 to the protrusion 127 by the contact member 132 is released. When the application of the urging force F 1 to the protrusion 127 is released, the vertical wind direction plate 121 exerts a downward force due to its own weight. Therefore, the up-and-down wind direction plate 121 further moves downward by the action of both the driving force and the own weight by the driving motor 25.

As described above, even when the leaf spring 131 is used instead of the coil spring 31, the same effect as that of the first embodiment can be obtained. A torsion coil spring can be used instead of the coil spring 31 or the leaf spring 131. The torsion coil spring can be attached to the position of the connecting member 133, for example.

[Third Embodiment]
A third embodiment of the present invention will be described with reference to FIG. In FIG. 13, the structure of the right side part of the up-and-down wind direction board 221, the left-right wind direction board 241, and the wind direction board attachment mechanism 223 with which the indoor unit 1 concerning 3rd Embodiment was equipped is shown. FIG. 13 is a view when the wind direction plate mounting mechanism 223 is viewed from the lower side of the indoor unit 1.

Similarly to the first embodiment, the up-and-down airflow direction plate 221 has a rotation shaft 26 (a right rotation shaft 26R and a left rotation shaft 26L). The rotating shaft 26 is pivotally supported by the right side wall 224R and the left side wall 24L of the wind direction plate mounting mechanism 223.

When the up / down wind direction plate 221 is in the stopped position, the left / right wind direction plate 241 is disposed below and on the back side of the up / down wind direction plate 221. That is, the left and right wind direction plates 241 are disposed below the main body portion 22 of the wind direction plate mounting mechanism 223.

The left and right wind direction plates 241 are composed of a plurality of plate-like members arranged at substantially equal intervals. The plate-like members constituting the left and right wind direction plates 241 are arranged in a direction substantially perpendicular to the upper and lower wind direction plates 221. Further, the plate-like members constituting the left and right wind direction plates 241 are arranged in a substantially parallel positional relationship. The left and right wind direction plates 241 are driven by a drive motor (not shown) and operate so as to incline in the left and right direction. Thus, the wind blown from the blowout port 16 is deflected in the left-right direction by changing the inclination angle of the left-right wind direction plate 241.

Further, similarly to the first embodiment, the wind direction plate mounting mechanism 223 is mainly configured by the main body 22, the right side wall (side wall) 224R, and the left side wall 24L.

The right wall portion 224R is located at the right end of the main body portion 22. Further, a biasing force applying portion 230 that applies a biasing force to the vertical wind direction plate 221 is provided at the right end portion (that is, the right side wall portion 224 R) of the wind direction plate mounting mechanism 223. The urging force applying unit 230 is disposed at the end opposite to the side where the drive motor 25 is disposed. The urging force applying unit 230 can have the same configuration as the urging force applying unit 30 described in the first embodiment.

As shown in FIG. 13, the right end portion of the main body portion 22 according to the third embodiment and the right side wall portion 224R are separated by a predetermined distance D. In the space of this distance D, for example, an electrical box on which a control unit or the like is mounted is disposed.

In the present embodiment, the region where the main body portion 22 is provided substantially corresponds to a path (blower path) through which the wind sent from the indoor unit 1 passes. And the urging | biasing force provision part 230 is arrange | positioned at the right side wall part 224R. Thus, it is preferable that the urging force imparting unit 230 is disposed at a position separated from the main body unit 22 (that is, the air blowing path) by the distance D. Thereby, even when the opening 28 through which the protrusion 27 is passed is formed in the right side wall 224R, it is possible to suppress the air-conditioned wind from blowing into the housing from the opening 28.

FIG. 13 shows a state in which the left and right wind direction plates 241 are inclined to the rightmost side. In FIG. 13, the direction of the wind sent from the indoor unit 1 at this time is indicated by an arrow. In a state where the left and right wind direction plates 241 are inclined to the rightmost side, the air flow path of the indoor unit 1 is within the range of the area A1 indicated by the broken line in FIG. That is, the wind does not pass through the region A2 located outside the ventilation path.

In the present embodiment, it is more preferable that the right side wall portion 224R and the protrusion 27 are disposed at a position outside the air blowing path (that is, the region A2). Thereby, it can suppress more reliably that the air-conditioned wind blows into the inside of a housing | casing from the opening part 28 formed in the right side wall part 224R.

As shown in FIG. 13, when the left and right wind direction plates 241 are tilted to the right side, the air flow path (region A1) expands in the right direction (that is, outside the indoor unit 1) toward the front side of the indoor unit 1. Therefore, when the right side wall 224R and the protrusion 27 are arranged on the back side, even if the right side wall 224R and the projection 27 are arranged closer to the right end of the main body 22, the conditioned air is supplied from the opening 28 inside the casing. Can be suppressed. That is, as the back side of the indoor unit 1 is increased, the width of the region A2 suitable for the installation location of the right side wall portion 224R and the protrusion 27 increases.

[Fourth Embodiment]
A fourth embodiment of the present invention will be described with reference to FIG. In FIG. 14, the structure of the up-and-down wind direction board 321 and the wind direction board attachment mechanism 323 with which the indoor unit 1 concerning 4th Embodiment was equipped is shown. FIG. 14 shows the side (in the present embodiment, the right side surface) on which the urging force applying portion 330 that applies an urging force to the up and down wind direction plate 321 is provided. Note that the urging force applying unit 330 can have the same configuration as that of the first embodiment.

The wind direction plate mounting mechanism 323 is located on the rear side and the upper side of the vertical wind direction plate 321 when the vertical wind direction plate 321 is in the stopped position. The wind direction plate attachment mechanism 323 can be applied with the same configuration as in the first embodiment.

Similarly to the first embodiment, the up-and-down airflow direction plate 321 has the rotation shaft 26 (the right rotation shaft 26R and the left rotation shaft 26L). The rotating shaft 26 is pivotally supported by the right side wall 24R and the left side wall 24L of the wind direction plate mounting mechanism 323.

Also, a protrusion 327 protruding outward is provided at the right end of the up / down wind direction plate 321. The protrusion 327 is disposed so as to protrude outward from the opening 28 formed in the right side wall 24R. And it moves in the opening part 28 according to the operation | movement of the up-and-down wind direction board 321. FIG.

In the fourth embodiment, the shape of the protrusion 327 is different from that of the protrusion 27 of the first embodiment. As shown in FIG. 14, the protrusion 327 has a shape along the locus R 1 of the operation of the up / down airflow direction plate 321. That is, the protrusion 327 has a curved shape along the locus R1. According to this configuration, the urging force applied to the protrusion 327 from the urging force applying unit 330 can be equalized.

[Fifth Embodiment]
Subsequently, a fifth embodiment of the present invention will be described. Here, an example will be described in which the urging force applying unit that applies the urging force to the up-and-down wind direction plate is configured by only a holding member that holds the up-and-down air direction plate at the position in the stopped state.

FIG. 15 shows the configuration of the up / down wind direction plate 421 and the wind direction plate mounting mechanism 423 provided in the indoor unit 1 according to the fifth embodiment. FIG. 15 shows the side where the holding member 432 is provided (the right side surface in this embodiment).

The wind direction plate mounting mechanism 423 is located on the rear side and the upper side of the vertical wind direction plate 421 when the vertical wind direction plate 421 is in the stopped position. The wind direction plate mounting mechanism 423 and the vertical wind direction plate 421 can be configured in the same manner as in the first embodiment.

Similarly to the first embodiment, the up-and-down wind direction plate 421 has the rotation shaft 26 (the right rotation shaft 26R and the left rotation shaft 26L). The rotating shaft 26 is pivotally supported by the right side wall 24R and the left side wall 24L of the wind direction plate mounting mechanism 423.

Further, a protrusion 27 projecting outward is provided at the right end of the up-and-down wind direction plate 421. The protrusion 27 is disposed so as to protrude outward from the opening 28 formed in the right side wall 24R. Then, it moves in the opening 28 in accordance with the operation of the up / down wind direction plate 421.

Further, a holding member 432 is attached to the right side wall portion 24R. The holding member 432 holds the up / down airflow direction plate 421 at the stop position. The holding member 432 is rotatably attached to the right side wall 24R by a connecting member 433 such as a screw. The holding member 432 is provided with a regulating member 434 (opening 434a) that regulates the rotation range of the holding member 432. The holding member 432 has a contact portion 435 that abuts against the protrusion 27 and prevents the protrusion 27 from moving forward.

The restricting member 434 includes an opening 434a formed in the holding member 432 and a protrusion 434b provided on the side surface of the right side wall 24R, as in the first embodiment.

The holding member 432 is designed such that, for example, a weight is provided on the contact portion 435 so that the contact portion 435 falls under its own weight. As a result, when the up / down wind direction plate 421 reaches the stop position (uppermost position), the contact portion 435 of the holding member 432 presses the protrusion 27 to hold the up / down wind direction plate 421 at the stop position. be able to. The weight may be a metal or the like, or may be a weight by increasing the thickness of the contact portion.

According to the above configuration, the load applied to the drive motor 25 can be reduced when the vertical wind direction plate 421 is held at the stop position. Further, when the vertical wind direction plate 421 is held at the stop position, it is possible to prevent the vertical wind direction plate 421 from being twisted.

In the above configuration, even when the vertical wind direction plate 421 rotates downward from the stopped position, the vertical wind direction plate 421 is biased toward the stopped position by the weight provided on the holding member 432. Is done. Thereby, the twist at the time of operation | movement of the up-and-down wind direction board 421 can be suppressed.

(Summary)
An air conditioner according to one aspect of the present invention includes a blowout port provided in an indoor unit, a vertical wind direction plate that is rotatable with respect to a rotation axis, and that changes the direction of the wind blown from the blowout port in the vertical direction. And a drive unit for operating the vertical wind direction plate. The said drive part is arrange | positioned at the one end part side of the left-right direction of the said up-down wind direction board. The vertical wind direction plate is provided with a protrusion protruding outward in the left-right direction from a position different from the rotation shaft at an end opposite to the end where the driving unit is disposed. . The air conditioner includes an urging force applying unit that applies an urging force to the protrusion. The urging force applying unit moves the vertical wind direction plate to the position in the stopped state within a range from the position in the stopped state to a position in a state where the vertical wind direction plate is operated to a predetermined angle in the operation direction. Energize in the direction of.

In the above-described air conditioner according to one aspect of the present invention, the biasing force applying unit may include a spring and an abutting member with which the protrusion abuts.

In the above-described air conditioner according to one aspect of the present invention, the contact member may have a contact portion that contacts the protrusion. The contact portion includes two inclined portions that are inclined with respect to the locus of the protrusion when the up-and-down wind direction plate operates, and the two inclined portions (that is, the first inclined portion and the second inclined portion). The inclination angle of the inclined portion) with respect to the locus of the protrusion is such that the inclination angle of the first inclined portion that contacts the protrusion when the vertical wind direction plate moves downward is that the vertical wind direction plate moves upward. The inclination angle of the second inclined portion that contacts the protrusion may be larger.

In the above-described air conditioner according to one aspect of the present invention, the contact member is rotatable, and may further include a regulating member that regulates a rotation range of the contact member.

The above-described air conditioner according to one aspect of the present invention may further include a side wall that supports the up-and-down wind direction plate on the side in the left-right direction. And the opening part which the said protrusion passes may be formed in the said side wall.

In the above-described air conditioner according to one aspect of the present invention, the protrusion and the side wall may be arranged outside a path through which the wind to be sent passes.

In the above-described air conditioner according to one aspect of the present invention, the shape of the protrusion may be a shape along the trajectory of the operation of the vertical wind direction plate.

The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims. Further, configurations obtained by combining the configurations of the different embodiments described in this specification with each other are also included in the scope of the present invention.

1: Indoor unit (of air conditioner) 15: Flap 16: Air outlet 21: Vertical wind direction plate 24R: Right side wall (wall)
25: Drive motor (drive unit)
27: Protrusion 28: Opening 30: Energizing force applying unit 31: Coil spring (spring)
32: Contact member 34: Restricting member 35: Contact part 41: Left and right wind direction plate 121: Up and down wind direction plate 127: Protrusion 130: Energizing force applying part 131: Leaf spring (spring)
221: Up-and-down wind direction plate 230: Energizing force giving part 241: Left and right wind direction plate 327: Protrusion 330: Energizing force giving part S1: Inclined surface (first inclined part)
S2: inclined surface (second inclined portion)

Claims

An outlet provided in the indoor unit;
An up-and-down wind direction plate that is rotatable on the basis of the rotation axis, and that changes the direction of the wind blown out from the blowing port in the up-and-down direction;
An air conditioner comprising a drive unit for operating the vertical wind direction plate,
The drive unit is disposed on one end side in the left-right direction of the up-down wind direction plate,
The vertical wind direction plate is provided with a protrusion protruding outward in the left-right direction from a position different from the rotation shaft at an end opposite to the end where the driving unit is disposed. With
An urging force applying portion for applying an urging force to the protrusion is provided;
The urging force application unit moves the vertical wind direction plate from the position in the stopped state to a position in a state where the vertical wind direction plate is operated up to a predetermined angle in the operation direction. An air conditioner that is energized.
The air conditioner according to claim 1, wherein the urging force applying portion includes a spring and an abutting member with which the protrusion abuts.
The contact member has a contact portion that contacts the protrusion,
The contact portion has two inclined portions that are inclined with respect to the locus of the protrusion when the up-and-down wind direction plate operates,
The inclination angle of the two inclined portions with respect to the locus of the protrusion is such that the inclination angle of the first inclined portion that comes into contact with the protrusion when the vertical wind direction plate moves downward is that the vertical wind direction plate moves upward. Sometimes larger than the inclination angle of the second inclined portion that contacts the protrusion,
The air conditioner according to claim 2.
The contact member is rotatable;
A regulation member for regulating a rotation range of the contact member;
The air conditioner according to claim 2 or 3.
Further comprising a side wall for supporting the vertical wind direction plate laterally in the left-right direction,
The side wall is formed with an opening through which the protrusion passes.
The air conditioner according to any one of claims 1 to 4.
The air conditioner according to claim 5, wherein the protrusion and the side wall are disposed outside a path through which a wind to be sent passes.
The air conditioner according to any one of claims 1 to 6, wherein the shape of the protrusion is a shape along a trajectory of the operation of the up-and-down wind direction plate.