JP2832158B2 - Indoor air conditioning method and indoor air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to an indoor air conditioner.

[0002]

2. Description of the Related Art In order to air-condition each room in a dwelling unit, an air conditioner is installed in each room, or an air outlet is provided in each room, and each air outlet is connected to a center through a duct. A system connected to an air conditioner, a so-called central air conditioning system or the like can be adopted.

[0003]

In the system in which an air conditioner is installed in each room, not only the installation cost and the utility cost are incurred, but especially in an apartment house, usually the south side is used for the following reasons. An air conditioner is installed in the living room, and often not installed in the living room on the north corridor side.

(1) The living room on the north side is often used as a children's room, and housewives tend to dislike direct cooling and heating by an air conditioner.

(2) To install an outdoor unit in the northern corridor,
This is not possible due to the hot air, cold air and drain treatment of the outdoor unit.

(3) Insufficient wiring capacity in an existing building causes a power outage.

[0007] In addition, in the case of a central air conditioner, especially in an apartment house, due to the installation cost and the installation space, unless it is a high-class apartment house equipped with a central air conditioner from the time of construction, in an existing house of an existing building, it will be later. It is almost impossible to install.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to provide a simple and inexpensive method for air-conditioning a room where no air conditioner is installed, without newly installing an air conditioner.

[0009]

In order to solve the above-mentioned problems, the present invention provides an air intake port 2 in a wall of an air conditioner installation room in which an air conditioner 1 is disposed, and does not dispose the air conditioner 1. An air outlet 4 is provided on a wall surface of a room where no air conditioner is installed, and the air inlet 2 and the air outlet 4 are connected by a duct 5, and air is blown in the middle of the duct 5 toward the air outlet. The fan 7 is arranged and an air conditioner operating device is provided in the air conditioner installation room. On the other hand, in the air conditioner non-installation room, the air blower outlet 7 is opened at the same time as the blower fan 7 is operated, and A switch device 8 for controlling the outlet 4 to close is provided.

[0010]

[0011]

[0012]

[0013]

FIG. 1 is a schematic sectional view of an apartment house equipped with an air conditioner according to the present invention. A south side room R1 facing a south side veranda A is an air conditioner installation room and an operation switch thereof. The air suction port 2 is provided separately from the air conditioner 1 on the wall of the south side room R1. The air inlet 2 is embedded in the wall. on the other hand,
The north side room R2 is not provided with an air conditioner, but is provided with an air outlet 4 and a switch device 8 for controlling the outlet.

The air inlet 2 and the air outlet 4 are connected via a duct 5 which is arranged, for example, along the ceiling or along the ceiling wall, and has a suction A blower fan 7 for sending air from the mouth 2 side to the outlet 4 side is provided.

FIG. 3 is a vertical side view of the air outlet 4.
The air outlet 4 includes a flat rectangular outlet case 11 having a front opening, a flat cover 12 disposed to cover the front opening, and a drive lever for opening and closing the cover 12. The outlet case 11 is embedded in the wall so that the open / close cover 12 in the closed state is substantially flush with the wall surface F. An air intake duct 15 is formed at the upper end of the case 11, and
Connected to

A bent portion 12a that bends rearward is integrally formed at both left and right ends of the opening / closing cover 12, and opens rearward at upper and lower ends of the bent portion 12a as a pivot point. U-shaped recesses 16 and 17 are formed. On the other hand, at the front end portions of the left and right side walls of the case 11, support shafts 1 that engage with the recesses 16 and 17 as contact support portions
8 and 19 are fixed vertically, respectively.
6 is rotatably engaged with the upper support shaft 18, and
7 is rotatably engaged with the lower support shaft 19.

Between the cover 12 and the rear wall of the case 11, coil springs 20 and 21 are stretched at upper and lower portions, respectively. The elastic force of the coil springs 20 and 21 moves the cover 12 backward. To engage and hold the recesses 16 and 17 with the support shafts 18 and 19.

In FIG. 2 showing a front view of the air outlet 4, a pair of left and right bearings 22 is fixed to the center of the case 11. 23 is supported, and the drive shaft 13 is
Is fixed. The drive lever 13 extends in both the upper and lower directions, and has a pressing plate 25,
26 is fixed. Each of the pressing plates 25 and 26 extends in the left-right direction. The upper pressing plate 25 faces the upper half of the opening / closing cover 12 from the back side, and the lower pressing plate 26 faces the lower half of the opening / closing cover 12 from the back side. doing.

One end of the swing shaft 23 is connected to a coupling 28.
In addition, it is linked to an opening / closing motor 29 with an electromagnetic brake via a speed reducer 27, and a proximity switch detection plate 31 is fixed to the other end of the swing shaft 23. Motor 29
Is fixed to the rear plate of the case 11 via the mounting base 32. A pair of proximity switches 3 so as to face the detection plate 31;
5 and 36 are arranged and fixed to the case 11 via the mounting base 30.

The aforementioned support shafts 18, 1 for supporting the opening / closing cover.
Numerals 9 are arranged at positions corresponding to the four corners of the opening / closing cover 12, and the coil springs 20, 21 for urging the opening / closing cover 12 rearward are arranged on an upper side and a lower side, respectively, in a left and right pair. I have.

At the upper and lower ends of the back surface of the opening / closing cover 12,
A wind direction switching mechanism 34 is provided. Each wind direction switching mechanism 3
Reference numeral 4 includes a plurality of blades 37, a driving bar 38, a belt-shaped support plate 40, and the like.

Since the upper wind direction switching mechanism 34 and the lower wind direction switching mechanism 34 are vertically symmetrical, only the lower wind direction switching mechanism 34 will be described in detail.

The support plate 40 is fixed at a position behind the cover 12 by a certain distance via a plurality of connecting rods 41. Each blade 37 is arranged vertically with the opening / closing cover 12 and integrally has a support protrusion 37a projecting forward and backward at the upper end.
Are inserted and supported in support holes formed in the support plate 40 and the opening / closing cover 12, so that the blade 37
It is configured to rotate left and right with the upper end serving as a rotation fulcrum.

The driving bar 38 has a collar 44 penetrating the lower end portion of each blade 37 and sandwiching each blade 37 with a certain gap from the left and right. , All the blades 37 can swing right and left at the same time. As shown in FIG. 3, the hole 42 through which the driving bar 38 is inserted has a certain amount of play in the vertical direction with respect to the driving bar 38. To the left and right.

In FIG. 5, the left end of the driving bar 38 is connected to a crank pin 48 of a rotary plate 47 through a connecting link 46.
The driving bar 38 reciprocates right and left by the rotation of the rotary plate 47.

As shown in FIG. 2, the rotating plate 47 is fixed to both upper and lower ends of a vertically extending rotating shaft 50, and the rotating shaft 50 is fixed to a bearing 51 fixed to the case 11.
And is connected to a wind direction switching motor 54 via a bevel gear mechanism 53 in an interlocked manner.

FIG. 7 is a block diagram showing a control system. The air conditioner 1 is connected to a cooling / heating switching device 8, and the blower fan 7, an opening / closing motor 29 and a wind direction switching motor 54 are each a controller. 51 is connected to the output side. The proximity switches 35 and 36 and the switch device 8 are connected to the input side of the controller 51. The switch device 8 is switchable between an OFF state, a cooling operation, and a heating operation.

FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI of FIG.
a and 31b, and in the neutral state (open / closed cover closed state), as shown in the figure, both of the projections 31a and 31b are separated from the proximity switches 35 and 36 by a predetermined angle θ (eg, 30 °). And each proximity switch 3
5,36 are cut.

The cooling / heating (for summer / winter) changeover switch device 8 in FIG. 7 switches the air conditioner 1 from the off state to the cooling operation side to perform the cooling operation, and also switches the opening / closing motor 29 in FIG. It turns in the direction.

Conversely, by switching the switch device 8 from the OFF state to the heating operation side, the air conditioner 1 is operated in the cooling operation, and the opening / closing motor 29 in FIG. 3 is rotated in the direction of arrow X2. .

When the detection plate 31 rotates a predetermined angle θ from the neutral position in FIG. 6 in the X1 direction and the upper proximity switch 35 detects the approach of the upper projection 31a, the proximity switches 33 and 36 turn on the opening / closing motor 29. At the same time as stopping, the blower fan 7 and the wind direction switching motor 54 in FIG. 7 are driven. On the other hand, when the detection plate 31 is moved from the neutral position in FIG.
When the lower proximity switch 36 detects the approach of the lower protruding portion 31b, the opening / closing motor 29 is stopped, and at the same time, the blower fan 7 and the wind direction switching motor 54 shown in FIG. 7 are driven. It has become.

The operation method will be described. When the air conditioning of the air conditioner non-installation room R2 in FIG. 1 is not performed, the switch device 8 is kept in the off state. In this case, as shown in FIG. 3, the drive lever 13 is at the neutral position, and the open / close cover 12 is kept closed by the coil springs 20, 21.

When the switch device 8 in FIG. 7 is switched from the off state to the heating operation side, the air conditioner 1 enters the heating operation state, and the opening / closing motor 29 in FIG.
As shown in FIG. 4, the drive lever 13 is rotated in the X2 direction, and the lower half of the cover 12 is pushed forward by the lower pressing plate 26. As a result, the opening / closing cover 12 opens downward around the upper support shaft 18 against the springs 20 and 21.

When the cover 12 is opened to a predetermined angle, the lower proximity switch 36 detects the lower protrusion 31b of the detection plate 31 shown in FIG. Then, the wind direction switching motor 54 and the blower fan 7 of FIG. 7 are started.

Thus, the adjusted air in the south side chamber R1 in FIG. 1 is supplied to the north side chamber R2 through the duct 5, and
2 Adjust the air inside.

When the switch device 8 is returned to the off state from the heating operation side, the swing shaft 23 and the drive lever 13 return in the direction of the arrow X1 from the heating state in FIG. It is rotated backward about the upper fulcrum shaft 18 as a rotation center, and is closed. At the same time, FIG.
When the lower protrusion 31b moves away from the lower proximity switch 36, the blower fan 7 shown in FIG.

When the drive lever 13 returns to the first neutral position as shown in FIG. 3, the opening / closing motor 29 automatically stops.

When the switch device 8 is switched to the cooling side, the drive lever 13 shown in FIG.
The upper half of the opening and closing cover 12 is pushed by the upper pressing plate 25, and the opening and closing cover 12 is pivoted about the lower fulcrum shaft 19.
Open upwards. Other operations are the same as those during the heating.

[0039]

FIG. 9 is a longitudinal sectional side view of an air outlet 4. As in the first embodiment, the air outlet 4 has a flat rectangular outlet case 11 having an open front surface, and A flat opening / closing cover 12 arranged to cover the front opening,
The air outlet case 11 is embedded in the wall so that the closed cover 12 is substantially flush with the wall surface F, and includes a drive lever 13 for opening and closing the cover 12. At the upper end of the case 11 is an air intake duct 1
5 is formed and connected to the duct 5.

At the upper and lower ends of the left and right ends of the opening / closing cover 12, fulcrum shafts 62 and 63 are provided as rotation fulcrum portions. On the other hand, at the front end portions of the left and right side walls of the case 11, support recesses 64, 65 that engage with the fulcrum shafts 62, 63 are formed as contact support portions, and the upper fulcrum shaft 62 is formed on the upper support recess 64. The lower fulcrum shaft 63 is rotatably engaged.
Are rotatably engaged with the lower support recess 65.

Between the opening / closing cover 12 and the rear wall of the case 11, coil springs 20, 21 are stretched at upper and lower portions, respectively, and the opening / closing cover 12 is moved backward by the elastic force of the coil springs 20, 21. To engage and hold the fulcrum shafts 62 and 63 in the support recesses 64 and 65.

In FIG. 8 showing a front view of the air outlet 4, a pair of left and right bearings 22 is fixed to the center of the case 11, and the bearing 22 is provided with a swinging shaft extending horizontally and horizontally. 23 is supported, and the drive shaft 13 is
Is fixed. The drive lever 13 extends in both the upper and lower directions, and has a pressing plate 25,
26 is fixed. Each of the pressing plates 25 and 26 extends in the left-right direction. The upper pressing plate 25 faces the upper half of the opening / closing cover 12 from the back side, and the lower pressing plate 26 faces the lower half of the opening / closing cover 12 from the back side. doing. Hemispherical convex portions 66 are provided at both left and right end portions of the pressing plates 25 and 26, and the open / close cover 12 is pressed by the convex portions 66.

One end of the swing shaft 23 is connected to a coupling 28.
And an opening / closing servomotor 29 with an electromagnetic brake via an interlock. A first cam 74 for closing and a second cam for cooling (for summer) are provided at the other end of the swing shaft 23. A cam 75,
A third cam 76 for heating (for winter) is fixed,
First micro switch for closing (limit switch)
70, a second micro switch 71 for cooling and a third micro switch 72 for heating are operably opposed to each other.

The aforementioned support shafts 62, 6 for supporting the opening / closing cover.
3 are arranged at positions corresponding to the four corners of the opening / closing cover 12, and the coil springs 20, 21 for urging the opening / closing cover 12 rearward are arranged on the upper side and the lower side, respectively, as a pair of left and right sides. I have.

At the upper and lower ends of the back surface of the opening / closing cover 12,
A rotary wind direction switching mechanism 34 is provided.
A rotation motor 82 is provided for every four. A pair of left and right bearings 84 is provided on the back surface of the opening / closing cover 12, and a rotating shaft 80 having a plurality of blades 81 is supported by the bearings 84. I have.

The blades 81 are arranged at equal intervals in the axial direction and are inclined at the same angle with respect to the rotating shaft 80, and the guide direction changes with the rotation of the rotating shaft 80. ing.

FIG. 12 is a block diagram showing a control system. The air conditioner 1 is connected to a cooling / heating (summer / winter) changeover switch device 8, and has a blower fan 7, an opening / closing motor 29 and a wind direction switching motor. 82 is connected to the output side of the controller 51, respectively. The micro switches 70, 71, 72 and the cooling / heating (summer / winter) switching device 8 are connected to the input side of the controller 51.

The switch device 8 can be switched between an off state, a cooling operation for summer, and a heating operation for winter. When the air conditioner 1 is switched from the off state to the cooling operation side, the air conditioner 1 operates in the cooling operation state. At the same time, the opening / closing motor 29
When the air conditioner 1 is operated in the heating operation state when the air conditioner 1 is switched to the heating operation side for winter, the opening / closing motor 29 is rotated in the arrow X2 direction in FIG. I have. Further, when the switch device 8 is switched from each operation state to the off state, the air conditioner 1 is stopped, and the opening / closing motor 29 is returned to the neutral position.

The second cam 75 for cooling shown in FIG.
When the rotating shaft 23 at the neutral position is rotated by a predetermined angle θ in the direction of arrow X1 to the position shown in FIG. 10, the second micro switch 71 shown in FIG. 13 is turned on, and the opening / closing motor 29 is stopped. Wind direction switching motor 82 and blower fan 7
Is activated.

The third cam 76 for heating shown in FIG.
When the rotating shaft 23 at the neutral position is rotated by a predetermined angle θ in the direction of arrow X2 to the position shown in FIG. Switching motor 82 and blower fan 7
Is activated.

The first cam 74 for closing shown in FIG.
When the rotation shaft 23 returns to the neutral position in FIG. 9 or 0, the first microswitch 70 operates to stop the opening / closing motor 29 and stop each wind direction switching motor 82. It is supposed to.

When the switch device 8 is switched from each operation state to the off state, the air conditioner 1 is stopped and the opening / closing motor 29 is returned to the neutral position.

The operation method will be described. When the air conditioning of the air conditioner non-installation room R2 in FIG. 1 is not performed, the switch device 8 is kept in the off state. In this case, as shown in FIG. 9, the drive lever 13 is at the neutral position, and the open / close cover 12 is kept closed by the coil springs 20, 21.

When the switch device 8 in FIG. 12 is switched from the off state to the cooling operation, the air conditioner 1 starts the cooling operation, and the opening / closing motor 29 in FIG. It rotates in the X1 direction, and pushes the upper half of the opening / closing cover 12 forward by the upper convex portion 66 of the drive lever 13. As a result, as shown in FIG. 10, the opening / closing cover 12 opens upward against the springs 20 and 21 about the lower fulcrum shaft 63 as the center of rotation.

When the opening / closing cover 12 is opened to a predetermined angle, the cooling second cam 75 shown in FIG. 13 is actuated by the cooling second micro switch 71 to stop the opening / closing motor 29 and, at the same time, to simultaneously operate the upper wind direction. The switching motor 82 and the blower fan 7 are started.

As a result, the conditioned air in the south side chamber R1 of FIG. 1 is supplied to the north side chamber R2 through the duct 5, and
2 Adjust the air inside.

When the switch device 8 is returned to the off state from the cooling operation side, the air conditioner 1 is stopped, and the opening / closing motor 29 rotates in the direction of arrow X2 from the cooling operation state in FIG. Stops. By the rotation of the opening / closing motor 29, the drive lever 13 returns in the direction of the arrow X2, and the opening / closing cover 12 is rotated rearward about the lower fulcrum shaft 63 by the coil springs 20, 21.
Closed. When returning to the neutral position, the first micro switch 70 is operated by the first cam 74 for closing, and the opening / closing motor 29 is stopped.

When the drive lever 13 returns to the first neutral position as shown in FIG. 3, the opening / closing motor 29 automatically stops.

When the switch device 8 is switched to the heating side, the air conditioner 1 operates in the heating operation state, and the drive lever 13 in FIG. The lower half of the cover 12 is pushed, and the opening / closing cover 12 is opened downward with the upper fulcrum shaft 62 as the center of rotation. The subsequent operation is the same as in the cooling operation.

[0060]

[Another embodiment]

(1) As the air conditioner installation room, as in the embodiment of FIG.
In an apartment house, there is usually an outdoor unit installation space such as a veranda, and a sunny room is selected, but it is not necessarily limited to the south side room, and a room with good ventilation between the outside air is selected. Sometimes.

[0061]

As described above, according to the present invention, (1) even in the room R2 where no air conditioner is installed, air conditioning in the room R2 is performed using the adjusted air in the air conditioner installation room R1. Therefore, it is possible to save the cost of installing an air conditioner and the cost of electricity and light, and also to prevent shortage of wiring capacity in an existing building due to new installation.

Further, since there is no need to newly install an outdoor unit, it is convenient when air conditioning is performed under conditions where the arrangement of the outdoor units is limited by space or environment, such as a living room on the northern corridor side of an apartment house. It is.

(2) The air from the air conditioner 1 in the air conditioner installation room R1 is not directly led to another room.
Is guided to another room R2 through the suction port 2, the duct 5, the blower fan 7, and the blowout port 4, so that a gentle wind is generated in the room R2 unlike the air directly discharged from the air conditioner 1. Can be led to. Therefore, it is most suitable for air-conditioning of a room such as a children's room where direct cooling and heating are not desired by an air conditioner.

(3) The switch device 8 in the air conditioner non-installation room R2 controls the air blower to be activated at the same time as the operation of the air conditioner 1 is started and the opening / closing cover of the air outlet is opened, so that the driving operation is facilitated. Become.

(4) Since the air inlet and the outlet are provided on the wall surface (not on the ceiling) of the room and the blower fan is arranged in the middle of the duct, it is possible to reduce the transmission of the operating sound of the fan into the room. it can.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a dwelling unit to which the present invention is applied.

FIG. 2 is a front view of an outlet.

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is a cross-sectional view of the same portion as FIG. 3, showing a state at the time of heating.

FIG. 5 is a sectional view taken along line VV of FIG. 2;

FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI of FIG. 2;

FIG. 7 is a block diagram of a control system.

FIG. 8 is a front view of another embodiment of the outlet.

FIG. 9 is a sectional view taken along line IX-IX of FIG.

FIG. 10 is a cross-sectional view of the same place as in FIG. 9, showing a state during cooling.

FIG. 11 is a cross-sectional view of the same place as in FIG. 9, showing a state during heating.

FIG. 12 is a block diagram of a control system according to the embodiment of FIG. 8;

FIG. 13 is a sectional view taken along line XIII-XIII of FIG. 8;

FIG. 14 is a sectional view taken along the line XIV-XIV of FIG. 8;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 air conditioner 2 air inlet 4 air outlet 5 duct 7 blower fan 8 switch device 11 outlet case 12 opening / closing cover

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-210540 (JP, A) JP-A-3-7820 (JP, A) JP-A 8-94123 (JP, A) (58) Investigation Field (Int.Cl. ⁶ , DB name) F24F 3/00 F24F 3/044

Claims (1)

(57) [Claims] 1. An air inlet 2 is provided on a wall surface of an air conditioner installation room where an air conditioner 1 is disposed, and an air outlet 4 is provided on a wall surface of an air conditioner non-installation room where the air conditioner 1 is not disposed. The air inlet 2 and the air outlet 4 are connected by a duct 5, and a blower fan 7 for sending air to the air outlet side is arranged in the middle of the duct 5. On the other hand, a switch device 8 is provided in the air conditioner non-installed room to control the blower fan 7 to operate and open the air outlet 4 and stop the blower fan 7 and close the air outlet 4 at the same time. An indoor air conditioner characterized by: