JP2000111131A - Air blowoff port structure of blower device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce pressure losses and noises at an air blowoff port of a blower device of air conditioner or the like by uniformizing the flow of air when air is blown off, and to eliminate feel of draft when the blowoff condition of air is changed. SOLUTION: In the blower device of an air conditioner or the like wherein the blowing off condition of air from an air blowoff port 8 such as blowoff directions of air flow can be controlled to a desirable condition, a portion of either of opposed passage walls 18a, 18b of an air blowoff passage 8a of the port 8 is formed into a movable wall 16 to optionally combine it with either of the walls 18a, 18b, whereby the passage shape of the passage 8a itself is changed so that the blowoff condition of air can be changed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an air outlet of an air blower such as an air conditioner which can change an air blowing state by changing a passage shape of the outlet.

[0002]

2. Description of the Related Art First, FIGS. 32 and 33 show a configuration of a conventional general air conditioner, for example, a ceiling-mounted type air conditioner, which is an example of the blower.

In FIG. 1, reference numeral 2 denotes a cassette type main body casing of the ceiling-mounted air conditioner 1 described above. The main body casing 2 is buried in the ceiling 3 such that an intake / outlet panel portion (lower surface side exterior panel portion) 4 is continuous with the ceiling 3 in a shape almost in the same plane.

[0004] An air intake grille 5 is provided, for example, in the center of the intake / outlet panel portion 4 of the main body casing 2. A pre-filter 7 and a bell mouth 9 are located inside the air intake grille 5. Is provided. Further, the air intake grill 5 of the intake / outlet panel section 4 is provided.
The air outlets 8 of a predetermined width provided with air blowing passages 8a, 8a,.
Are provided to extend straight in directions orthogonal to each other.

[0005] With the above configuration, after a U-turn is made in the body casing 2 from the air suction grille 5 through the pre-filter 7 and the bell mouth 9 in the in-machine space portion, the air outlets 8, Blast path 1 leading to 8 ...
0 is formed. In the middle of the air passage 10 (in the center of the air space), a cylindrical air-conditioning heat exchanger 15 extends in the vertical direction, and the top plate 12 of the main body casing 2 and the drain pan 14 on the intake / outlet panel 4 side are connected to each other. It is provided in a form supported between them. The air passage 1 is divided into two passages on the upstream side and the downstream side by the air-conditioning heat exchanger 15.
A fan 11 is provided in a downstream area of the upstream passage 0. The fan 11 is integrally connected to a motor shaft 11c of a fan motor 11b via a hub 11a, and a fan mounting bracket 13 is provided on a lower surface of the top plate 12 of the main body casing 2 via the fan motor 11b. Suspended.

Accordingly, in the air conditioner 1 configured as described above, for example, when the fan 11 is operated to perform the cooling or heating operation, the operation of the fan 11 causes the air suction grille 5 to operate. Ventilation path 1 in the cabin space
After passing through the heat exchanger 15 and passing through the heat exchanger 15 in a radially outward direction, the room air sucked into the air outlet 8 and the bell mouth 9 is heat-exchanged. 8. Air outlet passages 8a, 8a
Then, it is blown into the room again as cold air or hot air.

In the above-mentioned other air blowers such as the conventional air conditioners, for example, as shown in FIGS. 32 to 34, the air outlet passages 8a of the air outlets 8, 8,. , 8a... At the flap structure wind direction control plate 38,
Are rotatably supported, and the wind direction control plates 38, 38 are rotatably supported.
By rotating the motor in an automatic manner by means of a motor to change the relative angle (inclination angle) with respect to the direction of the passage axis, the state of air blowing (the blowing direction and the amount of blowing) into the room can be changed, for example, by (a) in FIG. ) To (c), a configuration for variably controlling to an arbitrary state is adopted.

In this way, for example, during cooling operation,
When the wind direction control plates 38, 38,... Are rotated so as to be close to an upper horizontal state as shown in FIG.
The main flow of the blown air flows along the upper surfaces of the wind direction control plates 38, 38, and moves in the horizontal direction. For example, during the heating operation, the wind direction control plates 38, 38,. When the air flow is turned downward as shown in FIG. 2, the blown air flows along the lower surface of the wind direction control plates 3, 3,...

[0009]

However, in the case where the air blowing state is variably controlled by the wind direction control plate 38 having the flap structure as described above, for example, as shown in FIG. As shown in FIG.
When the control is performed in a horizontal state in which the relative angle with respect to the passage axis is close to the orthogonal state, the passage widths (passage cross-sectional areas) on the main flow side and the sub-flow side of the blown air flow both decrease, and the passage resistance increases. Pressure loss increases. Further, in this state, as shown in FIG. 35, the flow cannot smoothly follow the guide surface of the wind direction control plate 38, and the flow is separated on the rear surface side, and turbulent flow is likely to occur. On the other hand, the control performance of the air blowing state such as the blowing direction is reduced, and dew condensation is likely to occur.

Further, in the case of the same structure, it is necessary to rotate the wind direction control plate 38 about the support shaft extending in the longitudinal direction, so that the shape of the air outlet 8 is limited to the one in which the shape of the air outlet 8 is opened in a linear direction. Is done.

Further, in the case of the wind direction control plate 38 having the flap structure as described above, when changing from the horizontal upper blowing state as shown in FIG. 34A to the lower blowing state as shown in FIG. Since the direction of the wind gradually changes through the intermediate state as shown in FIG. 34B, there is a problem that the user feels a draft in the intermediate state.

The present invention has been made in order to solve such a problem, and is applicable to an air outlet of any shape of various blowers having a function of controlling an air blowing state.
Further, it is an object of the present invention to provide an air outlet structure having a low pressure loss, high control performance, low noise, and a good airflow control function in which dew condensation during cold air hardly occurs.

[0013]

Means for Solving the Problems In order to achieve the above objects, the present invention has the following means for solving the problems.

(1) The air outlet structure of the blower according to the present invention is capable of variably controlling the state of air blowing from the air outlet 8 such as the direction of air flow to a desired state. In the air blower 1 such as an air conditioner, the shape of the air outlet passage 8a of the air outlet 8 is changed to change the air blowing state.

Therefore, in this configuration, the air blowing passage 8a of the air blowing outlet 8 itself has a shape suitable for the air blowing state to be controlled.
In a, the width of the passage is reduced as in the case where the wind direction control plate of the flap structure can be changed in the cross direction with respect to the passage axis, thereby increasing the pressure loss, increasing the noise due to the generation of turbulence, and controlling the airflow. Thus, it is possible to smoothly control the air blowing state without causing a decrease in the temperature and the occurrence of dew condensation.

Also, unlike the case where a rotation axis is required in the longitudinal direction of the air outlet 8, any shape of the air outlet such as an arc can be used.

(2) The air outlet structure of the blower according to the present invention is capable of variably controlling the state of air blowing from the air outlet 8 such as the direction of air flow to a desired state. In the blower 1 such as an air conditioner, a part of one of the opposing passage walls 18a and 18b of the air outlet passage 8a of the air outlet 8 is formed on the movable walls 16, 25 and 26, The movable wall 16, 2
5 and 26 are arbitrarily combined with either one of the opposing passage walls 18a and 18b, thereby changing the passage shape itself of the air ejection passage 8a, thereby changing the air blowing state. I have.

Therefore, in this configuration, the air blowing passage 8
a movable wall 16, which is a part of the passage wall 18a or 18b of FIG.
By the movement of 25 and 26, the shape of the air blowing passage 8a of the air blowing outlet 8 itself becomes a shape suitable for the air blowing state to be controlled, so that the air direction of the flap structure in the conventional air blowing passage 8a. Reduction of passage width, such as when the control plate can be changed in angle in the cross direction with respect to the passage axis,
The resulting increase in pressure loss, increase in noise due to turbulence,
Without lowering the airflow control performance or generating condensation
The air blowing state can be controlled smoothly.

Further, unlike the case where a rotation axis is required in the longitudinal direction of the air outlet 8, any shape of the air outlet such as an arc can be used.

In this case, the movable wall 1
6, the switching from the upper blowing state in combination with the one-side passage wall 18a to the lower blowing state in combination with the other-side passage wall 18b or vice versa is switched quickly. With such control, the sense of draft as in the conventional case where the position of the wind direction control plate gradually changes between the two types of blowing states is eliminated.

(3) The air outlet structure of the blower according to the present invention is capable of variably controlling the state of air blowing from the air outlet 8 such as the direction of air flow to a desired state. In the blower 1 such as an air conditioner, a part of one of the opposing passage walls 18a and 18b of the air outlet passage 8a of the air outlet 8 is formed on the movable walls 16, 25 and 26, The movable wall 16, 2
5 and 26 are arbitrarily combined with one of the opposing passage walls 18a and 18b or at an intermediate position between them, thereby changing the passage shape itself of the air ejection passage 8a, thereby providing an air blowing state. Is made to be variable.

Therefore, in this configuration, the air blowing passage 8
a movable wall 16, which is a part of the passage wall 18a or 18b of FIG.
By the movement of 25 and 26, the shape of the air blowing passage 8a of the air blowing outlet 8 itself becomes a shape suitable for the air blowing state to be controlled, so that the air direction of the flap structure in the conventional air blowing passage 8a. Reduction of passage width, such as when the control plate can be changed in angle in the cross direction with respect to the passage axis,
The resulting increase in pressure loss, increase in noise due to turbulence,
Without lowering the airflow control performance or generating condensation
The air blowing state can be controlled smoothly.

In addition, in this case, by combining the movable wall 16 with the intermediate position between the passages 8a, it is possible to form a plurality of divided flows upward and downward.

In addition, unlike the case where a rotation axis is required in the longitudinal direction of the air outlet 8, it can correspond to an arbitrary shape of the air outlet such as an arc.

(4) The invention of claim 4 The air outlet structure of the blower according to the present invention is the above-mentioned claim 2.
Alternatively, in the air outlet structure of the blower according to the invention described in 3, the movable walls 16, 25, 26 are constituted by a plurality of movable walls 25, 26 which can move independently of each other.

Therefore, in this configuration, by moving the plurality of movable walls 16, 25, 26 independently of each other, a desired air blowing state divided into flows in a plurality of directions can be reduced with low pressure loss, low noise, and condensation. It can be realized in a state that does not occur.

(5) The air outlet of the blower according to the present invention is the air outlet of the blower according to the first, second, third or fourth aspect of the present invention. 8 is opened linearly.

Therefore, in the above structure, in the above-described linearly-opened air outlet structure,
The operation of the invention described in 2, 3 or 4 is appropriately realized.

(6) The air outlet of the blower according to the present invention is the air outlet of the blower according to any one of the first, second, third and fourth aspects of the present invention. 8 is opened in an arc shape.

Therefore, in the above structure, even in the air outlet structure opened in the arc shape, the above-mentioned claim 1 and claim 2 can be used.
The operation of the invention described in 2, 3 or 4 is appropriately realized.

(7) The air blow-out structure of the blower according to the present invention is the air blow-out structure of the blower according to the second, third, fourth, fifth or sixth aspect of the present invention. The operation of 16, 25, 26 is automatically controlled by electrically driven actuators 17, 27, 28, 37.

Therefore, according to this configuration, each movable wall 16, 25, 26 in the air outlet structure according to the second, third, fourth, fifth or sixth aspect of the present invention is provided with the actuator 17 electrically driven. , 27, 28, and 37, the operation is appropriately and automatically controlled, and the above-described operations of the corresponding inventions are appropriately realized.

(8) The air outlet structure of the blower according to the present invention is the air blower of the blower according to any one of the first, second, third, fourth, fifth, sixth and seventh aspects of the present invention. , The blower 1 is an air conditioner.

Therefore, according to the above configuration, the above-mentioned claims 1, 2 and 2 are provided at the air outlet portion of the air conditioner.
The operation of the invention described in 3, 4, 5, 6 or 7 is appropriately realized.

[0035]

As described above, according to the air outlet structure of the blower according to the present invention, it is possible to appropriately set and control the air blowing direction in the shape of the passage corresponding to the desired air blowing state. As a result, the following beneficial effects can be obtained.

(1) Since the variation of the width of the air outlet passage itself is small, the pressure loss is small regardless of the control mode of the blown air flow.

(2) Since turbulence (Kalman vortex) due to flow separation is less likely to occur, noise is reduced.

(3) Since there is no wind direction control plate having a flap structure, dew condensation hardly occurs.

(4) Since there is no need to provide a rotating shaft in the longitudinal direction of the air outlet, the present invention can be applied to an air outlet having an arbitrary shape such as an arc shape.

(5) Draft feeling when the blowing direction is variable is eliminated.

[0041]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) First, FIGS. 1 and 2 show a ceiling-embedded air formed by applying a structure of an air outlet of a blower according to Embodiment 1 of the present invention. The structure of the harmony machine is shown.

In FIG. 1, reference numeral 2 denotes a cassette-type main casing of the ceiling-mounted air conditioner 1 described above. The main body casing 2 is buried in the ceiling 3 such that an intake / outlet panel portion (lower surface side exterior panel portion) 4 is continuous with the ceiling 3 in a shape almost in the same plane.

The intake / outlet panel 4 of the main body casing 2 is provided with, for example, a rectangular air intake grille 5 at the center, and a pre-filter 7 is located inside the rectangular air intake grille 5. And a bell mouth 9. The air outlets 8, 8 having a predetermined width and having air outlet passages 8a, 8a,... Are straightly extended in the directions orthogonal to each other and are opened.

With the above structure, after a U-turn is made in the body casing 2 from the air suction grille 5 through the pre-filter 7 and the bell mouth 9 in the in-machine space portion, the air outlet 8, Blast path 1 leading to 8 ...
0 is formed. In the middle of the air passage 10 (in the center of the air space), a cylindrical air-conditioning heat exchanger 15 extends in the vertical direction, and the top plate 12 of the main body casing 2 and the drain pan 14 on the intake / outlet panel 4 side It is provided in a form supported between them. The air passage 1 is divided into two passages on the upstream side and the downstream side by the air-conditioning heat exchanger 15.
A fan 11 is provided in a downstream area of the upstream passage 0. The fan 11 is integrally connected to a motor shaft 11c of a fan motor 11b via a hub 11a, and a fan mounting bracket 13 is provided on a lower surface of the top plate 12 of the main body casing 2 via the fan motor 11b. Suspended.

Therefore, in the air conditioner 1 configured as described above, for example, when the fan 11 is operated to perform the cooling or heating operation, the operation of the fan 11 causes the air suction grille 5 to operate. Ventilation path 1 in the cabin space
After passing through the heat exchanger 15 and passing through the heat exchanger 15 in a radially outward direction, the room air sucked into the air outlet 8 and the bell mouth 9 is heat-exchanged. 8. Air outlet passages 8a, 8a
Then, the air is blown into the room again as clean cold air or hot air (see the arrowed portion in FIG. 1).

In this case, as shown in detail in FIGS. 3 to 8, for example, the air blowing passages 8a, 8a,. movable wall opposite side side part of the side (part of the inner peripheral side passageway wall 18a) is a substantially triangular cross section becomes rounded surface R ₁ 1
The movable wall 16 is connected to an operating rod 17a.
Through the air intake grill 5 of the intake / outlet panel 4
Connected to electrically driven actuator 17 such as an electromagnetic plunger or an air cylinder provided on the side, by the actuator 17, for example, rounded surface R ₂ portion of the inner peripheral side of the passage wall 18a as shown in FIGS. 3 and 4 5 and FIG. 6, or as shown in FIG. 7 and FIG. 8, an intermediate inner-side passage wall 18 a and an intermediate-side passage wall 18 a. Outer peripheral passage wall 18
b is movably controlled to be in a plurality of states separated from any of the air outlets b, and by changing the shape of the passage itself, the air blowing direction from the air outlet 8 is changed from the upper blowing state during cooling (FIG. 3) to the heating state. In the lower blowing state (FIG. 5), and in an intermediate state between them (FIG. 7), an arbitrary automatic blowing direction is automatically controlled.

According to such a configuration, unlike the case where the wind direction control plate having the conventional flap structure is additionally provided, in any of the upper blowing state, the lower blowing state, and the intermediate state thereof,
The total passage width (passage cross-sectional area) of the air blowing passages 8a, 8a,... Becomes substantially constant, and the blown air flows smoothly following the passage shape.
Since no increase in passage resistance or turbulence occurs, pressure loss is reduced, noise is reduced, and dew condensation hardly occurs.

Further, since there is no need to provide a rotation axis in the longitudinal direction of the air outlet 8, the shape of the air outlet 8 does not have to be a linear opening as shown in the figure.

(Embodiment 2) In the configuration of Embodiment 1 described above, the control of the intermediate state as shown in FIGS. 7 and 8 is eliminated, and the upper blowing state of FIGS. It is also possible to control so as to selectively switch only one of the two states, that is, the lower blowing state 5 and FIG. 6, in which case, for example, FIGS.
5 and 6 or vice versa. In such a case, the position of the wind direction control plate gradually changes between the above two states as in the related art ((a) to (c) or (c) to (a) of FIG. 34 in the case of the related art). ) Is no longer available.

(Embodiment 3) Next, FIGS.
Shows the configuration of a ceiling-embedded air conditioner configured by applying the structure of the air outlet of the blower according to Embodiment 3 of the present invention.

In the figure, reference numeral 2 denotes a cassette-type main casing of the ceiling-embedded air conditioner 1. The main body casing 2 is buried in the ceiling 3 such that an intake / outlet panel portion (lower surface side exterior panel portion) 4 is continuous with the ceiling 3 in a shape almost in the same plane.

The intake / outlet panel 4 of the main body casing 2 is provided with, for example, a circular air intake grille 5 at the center, and a pre-filter 7 is located inside the circular air intake grille 5. And a bell mouth 9. In addition, air intake passages 8a, 8a,... Of which air direction can be adjusted are provided at positions on the outer peripheral portion 4 of the intake / outlet panel portion 4 which are equidistant in the radial direction of the air intake grille 5 and have a predetermined width. Are provided so as to extend in the same circumferential direction so as to be continuous at a predetermined interval from each other.

With the above configuration, after a U-turn is made in the body casing 2 from the air suction grille 5 through the pre-filter 7 and the bell mouth 9 in the in-machine space portion, the air outlet 8, Blast path 1 leading to 8 ...
0 is formed. Further, a cylindrical air-conditioning heat exchanger 15 extends in the vertical direction in the middle of the air passage 10 (in the center of the air space).
It is provided so as to be supported between the discharge panel 4 and the drain pan 14. A fan 11 is provided in an upstream passage of the air passage 10 divided into two passages on the upstream side and the downstream side by the air-conditioning heat exchanger 15. The fan 11 is connected to a fan motor 11 via a hub 11a.
b is integrally connected to the motor shaft 11c of the main body casing 2 via the fan motor 11b.
Is suspended via a fan mounting bracket 13 on the lower surface side of the.

Therefore, in the air conditioner 1 configured as described above, for example, when the fan 11 is operated to perform the cooling or heating operation, the operation of the fan 11 causes the air suction grill 5 to operate. Ventilation path 1 in the cabin space
After passing through the heat exchanger 15 and passing through the heat exchanger 15 in a radially outward direction, the room air sucked into the air outlet 8 and the bell mouth 9 is heat-exchanged. 8. Air outlet passages 8a, 8a
Then, the air is blown into the room again as clean cold air or warm air (see the arrow portion in FIG. 9).

By the way, in this case, as shown in detail in FIGS. 11 to 16, for example, the air blowing passages 8a, 8a,.
b (a part of the inner peripheral side passage wall 18a)
Are substantially triangular in cross section curved in an arc shape corresponding to the passage shape of the air outlets 8, 8,...
₁ and the movable wall 16
Through the operating rod 17a, and the above-mentioned intake / outlet panel section 4
11 and 12, the actuator 17 is connected to an electrically driven actuator 17 such as an electromagnetic plunger or an air cylinder provided on the air suction grille 5 side. R surface R ₂
13 and FIG. 14, or as shown in FIG. 15 and FIG. 16, an intermediate inner peripheral passage wall 18 a between them. Movably controlled to a plurality of states separated from any of the inner and outer peripheral side passage walls 18b, and by changing the shape of the passage itself, changing the direction of air blowing from the air outlet 8 to the upper blowing state during cooling (FIG. From 11), the automatic control is automatically performed electrically in a desired blowing direction in a lower blowing state during heating (FIG. 13) and an intermediate state between them (FIG. 15).

According to such a configuration, unlike the case where the wind direction control plate having the conventional flap structure is additionally provided, in any of the upper blowing state, the lower blowing state, and the intermediate state thereof,
The total passage width (passage cross-sectional area) of the air blowing passages 8a, 8a,... Becomes constant, and the blown air flows smoothly following the passage shape, thereby increasing the passage resistance and turbulent flow. Since the pressure loss does not occur, the pressure loss is reduced, the noise is reduced, and dew condensation hardly occurs.

Further, since there is no need to provide a rotating shaft in the longitudinal direction of the air outlet 8, the shape of the air outlet 8 can be freely applied to an arc opening as shown in the figure.

In the structure of the third embodiment, as in the second embodiment, the control of the intermediate state as shown in FIGS. 15 and 16 is eliminated, and the upper blowing state in FIGS. 13 and FIG. 14 can be controlled so as to selectively switch only one of the two states, ie, the lower blowing state. In this case, the state shown in FIG. 11 and FIG. And the state shown in FIG. 14 or the reverse state is quickly shifted. In such a case, a draft such as the case where the position of the wind direction control plate gradually changes between the above two states ((a) to (c) or (c) to (a) in FIG. 34) as in the related art. Feeling disappears.

(Embodiment 4) Next, FIGS.
Shows the configuration of a ceiling-embedded air conditioner configured by applying the structure of the air outlet of the blower according to Embodiment 4 of the present invention.

In the figure, reference numeral 2 denotes a cassette type main body casing of the ceiling-mounted air conditioner 1 described above. The main body casing 2 is buried in the ceiling 3 such that an intake / outlet panel portion (lower surface side exterior panel portion) 4 is continuous with the ceiling 3 in a shape almost in the same plane.

For example, a rectangular air intake grille 5 is provided at the center of the intake / outlet panel portion 4 of the main body casing 2, and the air intake grille 5 is located inside the rectangular air intake grille 5. A filter 7 is provided.
In addition, the air-intake grille 5 is provided with air blow-out passages 8a, 8a of which air direction can be adjusted at a position on both sides of an outer peripheral portion of the rectangular air suction grille 5 of the intake and blow-out panel 4, and has a gentle arc shape of a predetermined width. The air outlets 8, 8 are provided symmetrically with each other.

According to the above-described configuration, after a U-turn is made in the body casing 2 from the air suction grille 5 through the pre-filter 7 in the in-machine space portion through the pre-filter 7, the air reaches the air outlets 8, 8. An air passage 10 is formed. A tubular air-conditioning heat exchanger 15 extends vertically in the middle of the air passage 10 (in the center of the machine space), and the top plate 12 of the main body casing 2 and the drain pan 14 on the intake / outlet panel 4 side
And provided in a form supported between them. A multi-blade fan (sirocco fan) 20 is provided in an upstream passage of the air passage 10 divided into two passages on the upstream side and the downstream side by the air-conditioning heat exchanger 15. This multi-blade blower 20 is provided with an air inlet 20a on the side of the scroll housing 20b opened along the longitudinal direction in the main casing 2 and an outlet 20c opened in the direction of the top plate 12. .

Therefore, in the air conditioner 1 configured as described above, for example, when the multi-blade blower 20 is operated to perform cooling or heating operation, the air-conditioner 1 is operated by the multi-blade blower 20 to operate. The indoor air sucked from the suction grill 5 into the air passage 10 in the cabin space passes through the multi-blade fan 20 via the pre-filter 7 and passes through the heat exchanger 1.
After passing through the outer side in the radial direction and undergoing heat exchange, the air is again blown into the room as clean cold air or warm air from the air outlet passages 8a, 8a of the two sets of left and right air outlets 8, 8. (See the arrow in FIG. 17).

By the way, in this case, as shown in detail in FIGS. 19 to 21, for example, the air blowing passages 8a, 8a of this embodiment are provided on one side of the opposing passage walls 18a, 18b. part (a part of the inner peripheral side passageway wall 18a) is, opposite sides side became rounded surface R ₁ substantially triangular cross-section which is bent in a gentle arc shape corresponding to the shape of the air outlet 8, 8 An electrically driven actuator 17 such as an electromagnetic plunger or an air cylinder provided on the side of the air intake grille 5 of the intake / outlet panel section 4 via an operating rod 17a. Connected to
By the actuator 17, for example, a state where the inner surface of the passage wall 18 a on the inner peripheral side is integrated with the round surface R ₂ as shown in FIG. Alternatively, as shown in FIG. 21, it is movably controlled to be in a plurality of states separated from any of the intermediate inner peripheral passage wall 18a and the outer peripheral passage wall 18b, and the air passage is changed by changing the passage shape itself. The air blowing direction from the outlets 8, 8 is changed from the upper blowing state during cooling (FIG. 19) to the lower blowing state during heating (FIG. 20), and an intermediate state between them (FIG. 2).
Electrical control is automatically performed automatically in any desired blowing direction of 1).

According to such a configuration, unlike the case where a conventional wind direction control plate having a flap structure is provided, in any of the upper blowing state, the lower blowing state, and the intermediate state thereof,
The total passage width (passage cross-sectional area) of the air blowing passages 8a, 8a themselves becomes constant, and the blown air smoothly follows the passage shape to flow, so that increase in passage resistance and turbulence do not occur. Therefore, pressure loss is reduced, noise is reduced, and dew condensation is less likely to occur.

In the structure of the fourth embodiment, as in the second embodiment, the control of the intermediate state of FIG. 21 is eliminated, and the two states of the upper blow state in FIG. 19 and the lower blow state in FIG. It is also possible to control so as to selectively switch only one of the two states. In this case, FIG.
The state shown in FIG. 20 or the state opposite to the state shown in FIG. In such a case, a draft such as the case where the position of the wind direction control plate gradually changes between the above two states ((a) to (c) or (c) to (a) in FIG. 34) as in the related art. Feeling disappears.

(Embodiment 5) Next, FIGS.
Shows the configuration of a ceiling-embedded air conditioner configured by applying the structure of the air outlet of the blower according to Embodiment 5 of the present invention.

In the figure, reference numeral 2 denotes a cassette-type main casing of the ceiling-mounted air conditioner 1. The main body casing 2 is buried in the ceiling 3 such that an intake / outlet panel portion (lower surface side exterior panel portion) 4 is continuous with the ceiling 3 in a shape almost in the same plane.

The air inlet / outlet panel portion 4 of the main body casing 2 is provided with a circular air intake grille 5 at, for example, a central portion thereof. Is provided. In addition, air intake passages 8a, 8a,... Of which air direction can be adjusted are provided at positions on the outer peripheral portion 4 of the intake / outlet panel portion 4 which are equidistant in the radial direction of the air intake grille 5 and have a predetermined width. Are provided so as to extend in the same circumferential direction so as to be continuous at a predetermined interval from each other.

With the above configuration, after a U-turn is made in the body casing 2 from the air suction grille 5 through the pre-filter 7 in the in-machine space portion to the air outlets 8, 8,. An incoming air passage 10 is formed. In the middle of the air passage 10 (in the center of the air space),
A cylindrical air-conditioning heat exchanger 15 extends in the up-down direction and is provided between the top plate 12 of the main body casing 2 and the drain pan 14 on the intake / outlet panel 4 side.
A fan 32 is provided in an upstream passage of the air passage 10 divided into two passages on the upstream side and the downstream side by the air-conditioning heat exchanger 15, and a fan 33 is provided on a downstream side. These two fans 32 and 33 are connected via a large-diameter hub plate 34 to a hub 31a integrated with a motor shaft 31c of a fan motor 31b, and perform a series of operations of intake, air blowing, and blowing. An air conditioning fan 31 having a single structure is suspended from the lower surface of the top plate 12 of the main casing 2 by a fan mounting bracket 13 via the fan motor 31b.

Accordingly, in the air conditioner 1 configured as described above, for example, when the fan 32 and the fan 33 are operated to perform the cooling or heating operation,
The indoor air sucked from the air suction grille 5 into the air passage 10 in the cabin space by the operation of the fans 32 and 33 passes through the fan 32 through the pre-filter 7 and passes through the heat exchanger 15 in the radially outward direction. After the heat is exchanged through the air outlets 8, 8
Are blown into the room again as a clean cold air or a hot air with a large air flow with high air blowing efficiency (see the arrow portion in FIG. 22).

By the way, the air blowing passages 8a, 8a,.
In the case of ・, for example, similarly to those shown in detail in FIGS. 11 to 16 described above, the passage walls 18a,
A part of one of the sides 18b (a part of the inner peripheral side passage wall 18a) has a substantially triangular cross section curved in an arc shape corresponding to the passage shape of the air outlets 8, 8,. opposite sides are configured in the movable wall 16 of the curved surface R _1, movable Dokabe 16 via the actuating rod 17a and electricity such as an electromagnetic plunger or an air cylinder provided on the curved surface R ₂ moiety side of the intake and blow-out panel portion 4 to be coupled to an actuator 17 to be driven by the actuator 17, for example from integrated state rounded surface R ₂ portion of the inner peripheral side of the passage wall 18a as described above in FIG. 11 and FIG. 12, the above-described 13 and 14 of FIG.
15 and 16, or separated from any of the intermediate inner and outer passage walls 18a and 18b as shown in FIGS. 15 and 16 described above. The air flow direction of the air from the air outlet 8 is changed from the upper blowing state during cooling (see FIG. 11) to the lower blowing state during heating (see FIG. 11). FIG. 13), and electrically controls automatically in an arbitrary blowing direction in an intermediate state between them (see FIG. 15).

With such a configuration, similarly to the above-described third embodiment, unlike the case where the conventional wind direction control plate having the flap structure is attached, the upper blowing state, the lower blowing state, and the intermediate state between them. In either case, the total passage width (passage cross-sectional area) of the air blowing passages 8a, 8a,... Becomes constant, and the blown air flows smoothly following the passage shape. Since an increase in resistance and turbulence do not occur, pressure loss is reduced, noise is reduced, and dew condensation is less likely to occur.

Further, in this configuration, dedicated fans 32 and 33 for intake air blowing and blowing are provided. Therefore, the blowing capacity is high and the blown airflow is more smoothly controlled.

In the structure of the fifth embodiment, as in the second embodiment, the control of the intermediate state of FIGS. 15 and 16 is eliminated, and the upper blowing state of FIGS. 11 and 12 and the state of FIGS. It is also possible to control so as to selectively switch only one of the two states of FIG. 14 and the lower blowing state. In this case, the state shown in FIG. 11 and FIG. The state is immediately shifted to the state 14 or the reverse state. In such a case, the position of the wind direction control plate gradually changes between the two states as in the related art ((a) to (c) of FIG. 34).
Or, the draft feeling as in (c) to (a)) is eliminated.

(Sixth Embodiment) Next, FIGS.
The structure and operation of an air outlet of a blower such as an air conditioner according to Embodiment 6 of the present invention are shown.

As shown in detail in FIGS. 24 to 26, for example, the air outlet passage 8a in the air outlet 8 of the present embodiment is a part of one of the opposing passage walls 18a and 18b. (part of the outer peripheral side passageway wall 18b) has joint surface side to the outer peripheral side passageway wall 18b stands sectional crescent shape is formed in the movable wall 16 of the curved surface R _1, via the actuating rod 17a of the movable Dokabe 16 24 is connected to an electrically driven actuator 17 such as an electromagnetic plunger or an air cylinder provided on the side of the air intake grille 5 of the intake / outlet panel section 4. FIG. 25 shows a state in which
26, or as shown in FIG. 26, or as shown in FIG. 26, an intermediate inner circumferential passage wall 18b.
And is movably controlled to be in a plurality of states separated from any of the inner peripheral side passage walls 18a. By changing the shape of the passage itself, the direction in which air is blown out from the air outlet 8 is changed to the lower blowing state during heating ( FIG. 24) shows the state of the upper blowing during cooling (FIG. 2).
5) Automatically electrically controlling an arbitrary blowing direction in the intermediate state (FIG. 26).

As described above, the above-described movable wall 16 can be realized by a configuration formed by a part of the outer peripheral side passage wall 18b. As in the above embodiments, the conventional wind direction control plate having the flap structure is used. In the upper blowing state, the lower blowing state, and the intermediate state thereof, the total width (path cross-sectional area) of the air blowing passage 8a itself is constant and the air is blown out. The air smoothly follows the shape of the passage, and the passage resistance does not increase and turbulence does not occur. Therefore, the pressure loss is reduced, the noise is reduced, and the dew is hardly generated.

(Embodiment 7) Next, FIGS.
15 shows the structure and operation of an air outlet of a blower such as an air conditioner according to Embodiment 7 of the present invention.

As shown in detail in FIGS. 27 and 28, for example, the air outlet passage 8a in the air outlet 8 of this embodiment has the opposed passage walls 18a, 18a, configured movable wall 16 of the rounded surface R ₁ either side of the portion of 18b (part of the outer peripheral side passageway wall 18b) is the junction surface of the rounded surface R ₂ of the outer peripheral side passageway wall 18b stands sectional crescent shape The movable wall 16 is connected to the operating rod 1.
27a. The actuator 17 is connected to an electrically driven actuator 17 such as an electromagnetic plunger or an air cylinder provided on the air suction grille 5 side of the intake / outlet panel section 4 via the 7a. 28 is arbitrarily controlled to move from the state integrated with the passage wall 18b to the state integrated with the passage wall 18a on the inner peripheral side as shown in FIG. Is automatically controlled electrically from the lower blowing state during heating (FIG. 27) to the upper blowing state during cooling (FIG. 28).

As described above, the above-mentioned movable wall 16 can be similarly realized by a configuration formed by a part of the outer peripheral side passage wall 18b. Unlike the case where a wind direction control plate having a structure is provided, the total passage width (passage cross-sectional area) of the air blowing passage 8a itself is constant in any of the upper blowing state, the lower blowing state, and the intermediate state thereof. At the same time, the blown air smoothly follows the shape of the passage, and the passage resistance does not increase or turbulence does not occur. Therefore, pressure loss is reduced, noise is reduced, and dew is hardly generated.

In this case, in this embodiment, the end of the air outlet of the outer peripheral side passage wall 18b is notched like a hook as compared with the case of the sixth embodiment. A step portion 18c is formed so as to press down a part of the airflow blown out horizontally in the edge portion, and the lower end 16a of the movable wall 16 is also fitted in a correspondingly flat manner. It is formed in a suitable shape.

Therefore, as shown in FIG.
6 is integrated with the inner peripheral side passage wall 18a side, so that it is possible to prevent the air flow from adhering to the ceiling surface while being controlled to the upper blowing state.

(Embodiment 8) Next, FIGS.
Shows the structure and operation of an air outlet of a blower such as an air conditioner according to Embodiment 8 of the present invention.

For example, as shown in detail in FIGS. 29 and 30, a part of the air outlet passage 8a in the air outlet 8 of this embodiment is provided on one side of the opposing passage walls 18a, 18b. (inner part of the peripheral side passage wall 18a) is a first movable wall 25 and the curved surface on both sides before and after the intermediate side schematic cross-sectional crescent shape R ₃ of opposite sides side curved surface R ₁ at the front side substantially triangular cross-section, R ₄ and the second movable wall 26, and the first and second movable walls 2
The first and second electrically driven first and second electromagnetic plungers or air cylinders are provided on the side of the air intake grille 5 of the intake / outlet panel section 4 through the operating rods 27a and 28a.
For example, as shown in FIG. 29, both the first and second movable walls 25 and 26 are connected to the inner peripheral passage wall 18a by the first and second actuators 27 and 28. while the integrated state rounded surface R ₂ side, the first movable wall 25 as shown in FIG. 30 are integrated to the outer peripheral side passageway wall 18b, a state where the second movable wall 26 is positioned in the passageway intermediate Movably controlled to two different passage shape states different from the above, the passage shape itself is changed to a desired shape, and the air blowing direction from the air outlet 8 is changed from the upper blowing state during cooling (FIG. 29) to the heating state during heating. A desired blowing mode such as a lower blowing state (FIG. 30) divided into a plurality of flows is automatically and electrically controlled.

As described above, by forming the first and second movable walls 25 and 26 with a part of the inner peripheral side passage wall 18a to change the blowing form as shown in FIGS. Unlike the case where the wind direction control plate of the flap structure is attached, the upper blowing state, the lower blowing state, the lower blowing state in the blowing flow can be freely realized, and in any of those states, Since the total passage width (passage cross-sectional area) of the air blowing passage 8a itself becomes substantially constant, the blown air smoothly follows the passage shape, and the passage resistance increases and turbulence does not occur. In addition, the pressure loss is reduced, noise is reduced, and dew condensation hardly occurs.

Further, in this case, in the case of this embodiment, in particular, the first and second two sets of movable walls 25, 2
6, the air flow blown downward is divided into a plurality of flows to control the air flow more appropriately, so that the draft feeling at the time of heating can be more appropriately eliminated.

(Embodiment 9) FIG. 31 shows a configuration of a movable wall actuating actuator as a passage shape changing means in a structure of an air outlet of a blower such as an air conditioner according to Embodiment 9 of the present invention. Is shown.

In each of the above embodiments, an actuator composed of, for example, an air cylinder or an electromagnetic plunger is used as an actuator for operating the movable wall in any case.
As described above, an electric motor is employed as a driving source, and a rotating disk 37 is fixed to a rotating shaft 38 of the electric motor, and a slit 39 having a predetermined length is provided in a radial direction of the rotating disk 37. When the engaging pin 40 provided on the rear end side of the movable wall operating rod 37a is loosely engaged in the inside 39, the rotating disk 37 is rotated by the electric motor at a predetermined rotation angle θ corresponding to a required stroke.
The movable wall 16 may be configured to reciprocate as shown by arrows a and b by rotating the movable wall 16 in both the forward and reverse directions within the range shown in FIG.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a configuration of an air conditioner configured by applying a structure of an air outlet of a blower according to Embodiment 1 of the present invention.

FIG. 2 is a bottom view of the same.

FIG. 3 is an enlarged cross-sectional view showing a structure of an air outlet of the air conditioner in a state where air is blown upward.

FIG. 4 is a bottom view of the blow-out state.

FIG. 5 is an enlarged cross-sectional view showing the structure of the air outlet of the air conditioner in a blow-out state under air.

FIG. 6 is a bottom view of the lower blowing state.

FIG. 7 is a cross-sectional view showing an enlarged air outlet structure of the air conditioner in an intermediate air blow state.

FIG. 8 is a bottom view of the intermediate blowing state.

FIG. 9 is a longitudinal sectional view showing a configuration of an air conditioner configured by applying the structure of an air outlet of a blower according to Embodiment 3 of the present invention.

FIG. 10 is a bottom view of the same.

FIG. 11 is an enlarged cross-sectional view showing a structure of an air outlet of the air conditioner in a state where air is blown upward.

FIG. 12 is a bottom view of the same blow-out state.

FIG. 13 is a cross-sectional view showing the structure of the air outlet of the air conditioner in a blow-out state under air, which is shown in an enlarged manner.

FIG. 14 is a bottom view of the lower blowing state.

FIG. 15 is a cross-sectional view illustrating an enlarged structure of an air outlet of the air conditioner in an intermediate air blowing state.

FIG. 16 is a bottom view of the intermediate blowing state.

FIG. 17 is a longitudinal sectional view illustrating a configuration of an air conditioner configured by applying the structure of an air outlet of a blower according to Embodiment 4 of the present invention.

FIG. 18 is a bottom view of the same.

FIG. 19 is a cross-sectional view of the air outlet of the air conditioner, showing the structure of the air outlet on an enlarged scale.

FIG. 20 is a cross-sectional view showing the structure of the air outlet of the air conditioner in a blow-out state under air in an enlarged manner.

FIG. 21 is a cross-sectional view illustrating an enlarged structure of an air outlet of the air conditioner in an intermediate air blowing state.

FIG. 22 is a longitudinal sectional view illustrating a configuration of an air conditioner configured by applying a structure of an air outlet of a blower according to Embodiment 5 of the present invention.

FIG. 23 is a bottom view of the same.

FIG. 24 is an enlarged cross-sectional view of the air outlet of the air conditioner, showing the structure of the air outlet.

FIG. 25 is a cross-sectional view showing the structure of an air outlet of the air conditioner in a blow-out state under air in an enlarged manner.

FIG. 26 is an enlarged cross-sectional view of the air outlet of the air conditioner in an intermediate air blowing state.

FIG. 27 is a cross-sectional view illustrating a structure of an air outlet of a blower according to Embodiment 6 of the present invention, in a state of downward blowing.

FIG. 28 is a cross-sectional view showing a structure of an air outlet of the air conditioner in a state where air is blown upward.

FIG. 29 is an enlarged cross-sectional view showing a structure of an air outlet of an air blower according to a seventh embodiment of the present invention, in a state where air is blown upward.

FIG. 30 is a cross-sectional view of the air outlet in the state of blowing under air.

FIG. 31 is a cross-sectional view illustrating a configuration of a movable wall actuating actuator in an air outlet structure of a blower according to an eighth embodiment of the present invention.

FIG. 32 is a longitudinal sectional view showing a configuration of a conventional air conditioner which is an example of a blower.

FIG. 33 is a bottom view of the same.

FIG. 34 is a cross-sectional view corresponding to an air blowing state showing an enlarged structure of an air outlet of the air conditioner.

FIG. 35 is a cross-sectional view showing a problem when the air outlet of the air conditioner is in an upper blowing state.

[Explanation of symbols]

1 is an air conditioner, 2 is a main body casing, 3 is a ceiling, 4 is an intake / outlet panel portion, 5 is an air intake grill, 7 is a pre-filter, 8 is an air outlet, 8a is an air outlet passage, and 9 is a bell mouth. , 11 is a fan, 12 is a top plate, 16 is a movable wall, 17 is an actuator, 18a is an inner peripheral side passage wall, 1
8b is an outer peripheral side passage wall, 20 is a multi-blade blower, 25 is a first movable wall, and 26 is a second movable wall.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3L051 BG03 BH01 3L080 BA06 BB01 3L081 AA02 AB04 EA03 HA01

Claims (8)

[Claims] An air blower (1), such as an air conditioner, capable of variably controlling the state of air blow from an air outlet (8) such as the blow direction of air flow to a desired state. An air outlet structure of an air blower, characterized in that the shape of the air outlet passage (8a) of the outlet (8) itself is changed to change the air blowing state. 2. An air blower (1) such as an air conditioner, which is capable of variably controlling a state of blowing air from an air outlet (8) such as a blowing direction of an air flow to a desired state. A part of one of the opposing passage walls (18a) and (18b) of the air blowing passage (8a) of the outlet (8) is formed on the movable walls (16), (25) and (26), By arbitrarily combining the movable walls (16), (25), (26) with either one of the opposing passage walls (18a), (18b), the passage shape of the air blowing passage (8a) is obtained. An air outlet structure of a blower, wherein the air blowing state is changed by changing the air outlet itself. 3. An air blower (1) such as an air conditioner which is capable of variably controlling a state of blowing air from an air outlet (8) such as a blowing direction of an air flow to a desired state. A part of one of the opposing passage walls (18a) and (18b) of the air blowing passage (8a) of the outlet (8) is formed on the movable walls (16), (25) and (26), By arbitrarily combining the movable walls (16), (25), and (26) at one of the opposing passage walls (18a), (18b) or at an intermediate position therebetween, the air blowing is performed. An air outlet structure of a blower, wherein the air blowing state is varied by changing the shape of the passage (8a) itself. 4. A movable wall (16), (25), (26).
Is a plurality of movable walls (25) that can move independently of each other,
The air outlet structure for an air blower according to claim 2 or 3, wherein the air outlet structure is constituted by (26). 5. The air outlet structure of a blower according to claim 1, wherein the air outlet is opened in a straight line. 6. An air outlet structure for an air blower according to claim 1, wherein said air outlet (8) is opened in an arc shape. 7. A movable wall (16), (25), (26).
Are electrically driven actuators (17), (2)
7), (28) and (37), the operation is automatically controlled.
7. The air outlet structure of the blower according to 4, 5, or 6. 8. The air outlet structure of a blower according to claim 1, wherein the blower (1) is an air conditioner.