JP4678837B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner including a ceiling-embedded cassette type indoor unit, and in particular, an air in which an air direction control member that controls the direction of the blown air while reciprocating is provided in the indoor unit. It relates to a harmony machine.

  In an air conditioner equipped with a conventional indoor unit of a four-direction blowout ceiling embedded cassette type, conditioned air is blown out almost uniformly in four directions from the four outlets on the lower surface of the decorative panel of the indoor unit. However, the relative position of the person in the room with respect to the indoor unit varies, and the manner in which the blown air hits varies depending on the location. Some people may feel uncomfortable when the blown air hits directly. In the blowing direction, the angle of the member that changes the blowing angle of the blown air is set to a different angle from the other outlets, and the blown air hits the person directly. It was necessary to prevent this. In Patent Literature 1, wind vanes that are provided at each of a plurality of air outlets and that individually change the air blowing vane can be independently driven and controlled, and each time the operation target vane selection button is pressed with the remote controller, An air conditioner is disclosed in which, when the operation target vane display devices are sequentially turned on one by one and a desired vane becomes an operation target, the wind direction vane can be operated at a desired angle by a remote controller.

JP 2003-139382 A (page 7, FIG. 8)

  The member that changes the direction of the air blown out of the air conditioner is as wide as possible by continuously swinging a predetermined angle range with that held at an angle set as in the air conditioner described in Patent Document 1. There is a system that blows out air to the range. In the technique described in Patent Document 1, it is considered that the member that changes the direction of the blown air continuously swings within a predetermined angle range so that the swing range of the wind direction vane is operated to a desired range. Absent.

  An object of the present invention is to provide a plurality of air conditioners each provided with a wind direction control member that is provided at each of a plurality of air outlets and continuously swings within a predetermined angle range and continuously changes the air blowing direction. It is to be able to individually limit the blowout range of the blowout air at the blowout port.

The above-described problems include a plurality of air outlets, a wind direction control member that is provided at any two or more of the plurality of air outlets and controls the blowing direction while reciprocating, and the two or more air direction control members. Drive means for reciprocating independently for each outlet, and control means for controlling the drive means, wherein the control means either reciprocates or fixes the operation of the wind direction control member for each outlet. a reciprocating / fixed setting means for setting, the range of reciprocation of the wind direction control member Ri Na comprise reciprocating range setting means for setting for each outlet, the user fixes the reciprocating / fixed setting means The wind direction control member reciprocating at the set position is stopped, and a plurality of reciprocation / fixing setting means are provided corresponding to each wind direction control member. The fixed setting means is a wind direction control unit that should set the operation. Can be solved by an air conditioner is disposed adjacent to the air outlet provided.

  According to the above configuration, in the reciprocating / fixing setting means, it is set for each air outlet whether to reciprocate or fix the wind direction control member, and the swing signal that reciprocates the wind direction control member according to the setting. Output a rocking stop signal to fix. The reciprocating range setting means sets a range of reciprocating motion for each outlet, and outputs a swing range limiting signal indicating the set range. The control means individually outputs an operation signal to the driving means for driving the air direction control member of each outlet based on the signals input from the reciprocating / fixed setting means and the reciprocating range setting means for each outlet. The air direction control member is reciprocated or fixed. For the air outlets set for reciprocating motion, the operation signals for reciprocating the reciprocating motion range specified by the swing range limiting signal are output to the corresponding driving means, and the air outlets set to be fixed Outputs an operation signal for fixing the wind direction control member to the corresponding driving means. Since each drive means drives a wind direction control member based on the input operation signal, the direction of the air blown out from each outlet is controlled to a desired direction. That is, by limiting the swing range of the air direction control member of any air outlet among the air direction control members, it is possible to avoid blowing air in an unfavorable direction.

Further, the control means, in position when the user has set to fix the reciprocating / fixed setting means, because the wind direction control member which reciprocates and is configured to stop, the user, By setting the reciprocating / fixing setting means to be fixed while observing the position of the wind direction control member, the wind direction control member can be easily fixed at a desired position.

  According to the present invention, an air conditioner provided with a wind direction control member that is provided at each of a plurality of air outlets, continuously swings within a predetermined angle range, and continuously changes the air blowing direction. It is possible to individually limit the air blowing range of the air outlet.

(Embodiment 1)
Embodiment 1 of the present invention will be described below with reference to the drawings. FIG. 1 shows a schematic outline of the entire ceiling-embedded cassette type indoor unit of the air conditioner according to the present embodiment, and FIG. 2 shows a cross section taken along line VV in FIG. In the following description, the vertical direction indicates the vertical direction when the air conditioner is installed. As shown in FIGS. 1 and 2, the indoor unit of the air conditioner according to the present embodiment includes a main body unit 1, a decorative panel 2, a horizontal blade 9 that is a wind direction control member attached to the decorative panel 2, and driving means. And a horizontal blade operation motor (not shown).

  The main body unit 1 is a rectangular box-shaped main body casing 13 whose one surface (downward surface in FIG. 1) is open, and a suction side facing the open side surface in the center of the main body casing 13. The blower 6, the heat exchanger 4 disposed around the blower 6 in the main body casing 13, the water receiver 5 disposed below the heat exchanger 4, and the bell disposed on the lower suction side of the blower 6 The mouse 3 and a control device (not shown) 11 are configured as main elements.

  In addition, the control apparatus 11 comprises the control means with the remote control switch 12 mentioned later.

  As shown in FIG. 2, the decorative panel 2 is formed of a rectangular flat plate-like member, and a plurality (four in this embodiment) of rectangular outlets arranged along the four sides of the flat plate member. 7 and a rectangular suction port 8 disposed at a position facing the bell mouth in the center. The air outlet 7 is formed between the water receiver 5 and the side wall of the main body casing 13, and faces a space into which air blown out from the blower 6 and passed through the heat exchanger 4 flows.

  Further, as shown in FIG. 3, the decorative panel 2 has a horizontal blade 9 that swings around the horizontal axis as a center of rotation as a wind direction control member for controlling the direction of the blown air for each outlet 7. It is provided. The horizontal blade 9 has a flat surface on which the air flowing into the air outlet 7 through the heat exchanger 4 hits. The smaller the angle between this surface and the vertical surface, the more the air blown out from the air outlet 7 becomes. The direction of the air blown out from the air outlet 7 becomes closer to the horizontal direction as the direction becomes downward and the angle formed by the surface to which the blown air hits the vertical surface is larger. That is, the horizontal blade 9 swings around the horizontal axis as the center of rotation, and continuously changes the angle formed by the surface on which the conditioned air hits the vertical surface. The air flowing into the air outlet 7 can be changed in the blowing direction by the swinging horizontal blade 9, and the range of fluctuation in the blowing direction is determined by the swinging range of the horizontal blade 9.

  At one end of the rotating shaft of the horizontal blade 9, a horizontal blade operating motor 10 is attached to each horizontal blade 9 as a driving means. The horizontal blade operation motor 10 is connected to the control device 11 in the main unit 1 by electric wires.

  The suction port 8 is an opening for taking indoor air into the main unit 1 and is provided on the upstream side of the blower 6 (below the blower 6 in FIG. 2). The blower 6 is a so-called turbo fan that rotates around a rotation axis in the vertical direction (vertical direction in the drawing), and takes in air from the lower suction port 8 and discharges it in the outer peripheral direction. The heat exchanger 4 is for cooling or heating the air taken in from the suction port 8, and is disposed between the air outlet 7 and the outer peripheral surface of the blower 6. The air outlet 7 is an opening for returning the air heat-exchanged by the heat exchanger 4 to the room, and is provided along the four peripheral walls of the main body casing 13 on the downstream side of the blower 6. The blower 6 takes in air from the suction port 8 and blows out the discharged air into the room as conditioned air from the blowout port 7 via the heat exchanger 4.

  The main casing 13 is made of a thin metal plate member, and a plurality of (four in the present embodiment) rectangular outlets 7 are provided at the center of the lower surface of the main casing 13 along the four peripheral walls of the main casing 13. Are formed, and the heat exchanger 4 and the blower 6 are accommodated and are substantially rectangular. Moreover, the water receiver 5 is arrange | positioned under the heat exchanger 4 and the air blower 6, and collect | recovers the drain dripped from upper direction.

  An upper heat insulating material and a side heat insulating material are respectively attached to the upper outer surface and the side outer surface of the main casing 13. On the other hand, an inner wall forming member is attached from the upper inner surface of the main body casing 13 to the inner surface of the outlet side portion. This inner wall forming member is made of, for example, polystyrene foam.

  In the standard installation state of the indoor unit, after the main unit 1 is installed in the ceiling with the bell mouth 3 facing downward, the decorative panel 2 is attached to the lower surface of the main unit 1. And after letting the air sucked by the blower 6 through the suction port 8 of the decorative panel 2 pass through the heat exchanger 4 to be conditioned air, the air is blown downward from the plurality of outlets 7 of the decorative panel 2. Used.

  The control device 11 incorporated in the main unit 1 includes a horizontal blade operation setting means 14, and the horizontal blade operation setting means 14 is provided with the same number of output terminals as the horizontal blade operation motors 10. . And this output terminal and each electric motor 10 for horizontal blade operation | movement are each connected with the electric wire. The control device 11 individually outputs horizontal blade operation motor control signals (hereinafter referred to as operation signals) to the four horizontal blade operation motors 10 through the electric wires, and each of the horizontal blade operation motors 10 receives the input operation. Independent operation according to the signal.

  The horizontal blade operation setting means 14 is connected to the remote control switch 12 by an electric wire, and a signal output from the remote control switch 12 is input to the horizontal blade operation setting means 14. The horizontal blade operation setting means 14 individually generates an operation signal for each horizontal blade operation motor 10 based on the signal input from the remote control switch 12, and the generated operation signal is output to the horizontal blade operation motor 10. It is like that. The remote control switch 12 is provided with as many horizontal blade operation setting switches 15 as the number of the air outlets 7 corresponding to the air outlets 7.

  Each horizontal blade operation setting switch 15 includes a rotary dial that is a reciprocating range setting means and a push button that is a reciprocating / fixed setting means provided at the center of the rotary dial, and controls each of the horizontal blades 9 that control the air blowing angle. The operation can be set to a reciprocating motion (swinging) or fixed with a push button for each outlet 7, and a swinging range can be set to an arbitrary range between the minimum and maximum with a rotary dial. The push button is pushed in and fixed (stops rocking), and is pressed again to release the lock, that is, reciprocating (swing). These block wiring diagrams are shown in FIG. Each horizontal blade operation setting switch 15 outputs a swing stop signal to the control device 11 when set to fixed (swing stop) and a swing signal when set to reciprocating motion (swing), respectively. A swing range limitation signal corresponding to the swing range set by the rotary dial is output to the control device 11. In the present embodiment, the swing range is limited by the upper limit of the swing of the horizontal blade 9 (the position where the angle formed by the surface of the horizontal blade 9 against which the blown air hits and the vertical plane is maximized). It is constant and is performed by changing the lower limit of the swing (the position where the angle formed by the surface that the blowout air of the horizontal blade 9 hits and the vertical plane becomes the minimum during the swing).

  Hereinafter, the fixing of the horizontal blade 9 and the limitation of the swing range will be described. For example, among the four air outlets A, B, C, and D, the horizontal blade 9 of the A outlet 7 is fixed at a specific angle, and the side of the other B, C, and D outlets 7 is fixed. When it is desired to reciprocate the blade 9, first, among the four horizontal blade operation setting switches 15 provided in the remote control switch 12, the rotary dial of the horizontal blade operation setting switch 15 corresponding to the A outlet 7 is used. Is set to the maximum range, and the push button is in the reciprocating (swinging) position. In the other three horizontal blade operation setting switches 15, the push button is set to the reciprocating (swinging) position, and the rotary dial is set to a desired swinging range. In this state, the air conditioner is started.

  When the air conditioner is activated, the control device 11 receives the swing signal of the A outlet 7 and the swing range limiting signal input from the horizontal blade operation setting switch 15 provided in the remote control switch 12, and Based on the swing signal of the B, C, and D outlets 7 and the swing range limitation signal, the horizontal blade 9 of the A outlet 7 is swung in the maximum range, and the other three horizontal outlets 7 An operation signal for swinging 9 to the swing range specified by the swing range limiting signal is output to the horizontal blade operation motor 10.

  The user of the air conditioner visually observes the movement of the horizontal blade 9 of the A outlet 7 and, when the horizontal blade 9 comes to a position to be fixed, presses the horizontal blade operation setting switch 15 corresponding to the A outlet 7. Push in the button. When the push button is pushed in, a swing stop signal for instructing the fixing of the horizontal blade 9 of the A outlet 7 is input from the horizontal blade operation setting switch 15 to the control device 11. The control device 11 sends an operation signal for fixing the swing of the horizontal blade 9 of the A outlet 7 to the horizontal blade 9 of the A outlet 7 based on the inputted swing stop signal of the A outlet 7. It outputs to the driving motor 10 for driving the horizontal blades, and the operation of the corresponding horizontal blades 9 is stopped and fixed. The swinging motion of the horizontal blades 9 of the B, C, and D outlets 7 continues and does not change.

  When the swing range of the horizontal blade 9 of the D outlet 7 is to be reduced, the rotary dial of the horizontal blade operation setting switch 15 corresponding to the D outlet 7 is operated to set the desired swing range. . When a new swing range is set by operating the rotary dial, the swing range limit signal output from the horizontal blade operation setting switch 15 to the control device 11 corresponds to the set new swing range. Changes to a swing range limited signal. Based on the changed swing range limiting signal, the control device 11 swings the operation signal output to the horizontal blade operation motor 10 that drives the horizontal blade 9 of the D outlet 7 within the new swing range. In response to the operation signal instructing to do so, the horizontal blade 9 of the D outlet 7 swings within a new swing range.

  Thereby, the angle or swing range of the horizontal blade can be easily set by operating the remote control switch 12 so that the blown air does not directly hit a person in a specific direction of the air conditioner. Further, even when the arrangement of the person in the room changes, the air blowing direction of each outlet 7 can be adjusted according to the change in the arrangement of the person in the room by resetting the horizontal blade operation setting switch 15 of the remote control switch 12. Can be limited individually.

  In the above description, the air conditioner is started after the setting of the horizontal blade operation setting switch 15, but it is also possible to set the horizontal blade operation setting switch 15 during the operation of the air conditioner.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIG. This embodiment differs from the first embodiment in that instead of installing four horizontal blade operation setting switches 15 in the remote control switch 12, one horizontal blade selection switch 16 and one horizontal blade operation setting switch 15 are provided. The point provided is that the horizontal blade operation setting means 14 is provided with storage means for storing the swing signal or swing stop signal and swing range limit signal related to each outlet 7. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  The horizontal blade selection switch 16 is a changeover switch for selecting one of the four outlets 7, and the horizontal blade operation setting switch 15 is provided at the center of the rotary dial and the rotary dial as in the first embodiment. For the air outlet 7 selected by the horizontal blade selection switch 16, the operation of the horizontal blade 9 for controlling the air blowing angle can be set to reciprocating (swinging) or fixed by the push button. With the rotary dial, the swing range can be set to any range between the minimum and maximum.

  When setting the operation of the horizontal blade 9, the user first activates the air conditioner. Then, the horizontal blade selection switch 16 selects the air outlet 7 to be set, for example, the air outlet A. Next, the horizontal blade operation setting switch 15 sets the swing range as well as the swing range. With this setting, a swing signal and a swing range limitation signal for setting the operation of the horizontal blade 9 of the A outlet 7 are output from the horizontal blade operation setting switch 15 to the horizontal blade operation setting means 14 of the control device 11. . The horizontal blade operation setting means 14 generates an operation signal of the horizontal blade 9 of the air outlet 7 based on the input swing signal and swing range limit signal, and outputs it to the corresponding horizontal blade motor 10. At the same time, the inputted swing signal and swing range limit signal are stored in the storage means. The horizontal blade operating motor 10 that drives the horizontal blade 9 of the A outlet 7 swings the horizontal blade 9 based on the operation signal. This procedure is repeated for all the outlets 7.

  For example, when it is desired to fix the horizontal blade 9 of the B air outlet, the user selects the B air outlet with the horizontal blade selection switch 16, visually observes the swing of the horizontal blade 9 of the B air outlet, When 9 is in the desired position, push the push button. When the push button is pushed in, a swing stop signal for instructing fixing of the horizontal blade 9 of the B outlet 7 is input from the horizontal blade operation setting switch 15 to the control device 11. Based on the input swing stop signal of the B air outlet 7, the control device 11 sends an operation signal for stopping the swing of the horizontal blade 9 of the B air outlet 7 to the horizontal blade 9 of the B air outlet 7. It outputs to the driving motor 10 for operating the horizontal blades and rewrites the swing signal of the B outlet 7 to the swing stop signal. The motor 10 for operating the horizontal blades of the B outlet 7 stops the operation of the horizontal blade 9. And fix.

  When the air conditioner is started from a stopped state, the control device 11 determines each side based on the swing signal and the swing range limit signal stored in the storage means for each outlet 7 or the swing stop signal. An operation signal is output to the blade operating motor 10. When the swing signal and swing range limit signal or swing stop signal are input from the horizontal blade operation setting switch 15 to the control device 11 while the air conditioner is moving, the control device 11 is stored. The signal is rewritten to a newly input signal, and an operation signal is output to the horizontal blade operation motor 10 based on the newly input signal.

  According to the present embodiment, the same setting as in the first embodiment can be performed by reducing the number of switches.

(Embodiment 3)
A third embodiment of the present invention will be described with reference to FIG. The present embodiment is different from the first embodiment in that the horizontal blade operation setting switch 15 is provided not in the remote control switch 12 but in the control device 11 as shown in FIG. Since other configurations are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

  The control device 11 is built in the main body unit 1, but the horizontal blade operation setting switch 15 is dispersedly arranged at a position adjacent to each air outlet 7 of the decorative panel 2.

  According to the present embodiment, the angle of the horizontal blade 9 can be set so that the blown air does not directly hit a person in a specific direction of the air conditioner, and there are the same effects as in the first embodiment, Since the horizontal blade operation setting switch 15 for setting the operation of the horizontal blade 9 of the outlet is provided at a position adjacent to the outlet 7, the correspondence between the horizontal blade operation setting switch 15 and the outlet is grasped sensuously, The operation of the horizontal blade operation setting switch 15 is easy.

  In addition, although each said embodiment is provided with the heat exchanger and the air blower, if it is an air conditioner which provided the air direction control member which rocks in several air outlets, a heat exchanger and an air blower will be a main body. The present invention can be applied even if it is not provided in the unit.

It is a perspective view which shows the external appearance of the ceiling embedded cassette type air conditioner which concerns on Embodiment 1 of this invention. It is a VV arrow directional cross-sectional view of the air conditioner shown in FIG. It is a top view which shows the decorative panel upper surface of the air conditioner shown in FIG. It is a block wiring diagram which shows the control system of the air conditioner shown in FIG. It is a block wiring diagram which shows the control system of the ceiling embedded cassette type air conditioner which concerns on Embodiment 2 of this invention. It is a block wiring diagram which shows the control system of the ceiling embedding cassette type air conditioner concerning Embodiment 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body unit 2 Cosmetic panel 3 Bell mouth 4 Heat exchanger 5 Water receiver 6 Blower 7 Air outlet 8 Suction port 9 Horizontal blade 10 Electric motor 11 for horizontal blade operation | movement Controller 12 Remote control switch 13 Main body casing 14 Horizontal blade operation setting means 15 Horizontal blade operation setting switch 16 Horizontal blade selection switch

Claims (2)

A plurality of air outlets, a wind direction control member that is provided at any two or more of the plurality of air outlets and controls the direction of air discharge while reciprocating, and the two or more air direction control members are independently provided for each air outlet. Reciprocating driving means for reciprocating and control means for controlling the driving means, wherein the control means sets the operation of the wind direction control member to either reciprocating movement or fixed for each outlet. A fixed setting means and a reciprocating range setting means for setting a range of the reciprocating movement of the wind direction control member, and reciprocates at a position when the user sets the reciprocating / fixed setting means to be fixed. The wind direction control member is configured to stop ,
A plurality of the reciprocating / fixed setting means are provided corresponding to each of the wind direction control members, and each of the reciprocating / fixed setting means is disposed adjacent to the air outlet provided with the wind direction control member for which the operation is to be set. An air conditioner characterized by being made . In the air conditioner according to claim 1,
The control means includes a remote control switch having the reciprocating / fixed setting means and the reciprocating range setting means, and a control device that outputs an operation signal of the driving means based on an output signal of the remote control switch. And
When the reciprocating / fixed setting means is set to be fixed, a reciprocating stop signal is output from the remote control switch to the control device, and the control device is configured to control the wind direction control member based on the reciprocating stop signal. An air conditioner that outputs an operation signal for stopping reciprocation to the driving means.

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