JP2008170122A - Air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve basic performance without changing the size of an air conditioner body. <P>SOLUTION: This air conditioner equipped with a heat exchanger 6 and an air filter 5 inside an indoor unit 1 comprises an opening 11 having an area of 1/10-9/10 to a projected area in the upper face of the indoor unit. The total area based on the width length of a top face grating itself is thereby reduced, and heat exchange capacity is not limited. Consequently, body performance is improved by increasing the heat exchange capacity of the heat exchanger without changing the size of the air conditioner body. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an air conditioner that improves the performance of an indoor unit body without changing the size of the indoor unit body.

  Conventionally, as shown in Patent Document 1, an indoor unit of an air conditioner has an indoor air intake port formed on the front surface of a main body, and a blower port formed below the intake port. Further, an inverted V-shaped heat exchanger is provided inside the indoor unit, and accordingly, an air inlet for indoor air is also formed on the top surface of the main body of the indoor unit. And the top grid | lattice is formed in the suction port formed in the top | upper surface of the main body of an indoor unit.

Moreover, as shown in Patent Document 2, an air filter for adhering air dust is disposed between the top grid formed on the top surface of the main body of the indoor unit of the air conditioner and the heat exchanger. . A suction nozzle that sucks and removes dust adhering to the air filter is disposed between the air filter and the top grid so as to be movable along the air filter.
JP 2004-347255 A JP 2006-194485 A

  However, in the conventional configuration shown in Patent Document 1, the top grid formed on the top surface of the main body of the air conditioner indoor unit forms a plurality of small openings separated by a number of reinforcing bars. ing. Therefore, the total area by the width | variety length of a top | lattice grating | lattice itself was needed, and the heat exchange capability in the heat exchanger arrange | positioned inside the said air conditioner was restrict | limited. Here, increasing the amount of air sucked into the heat exchanger increases the heat exchanging capacity and improves the performance of the air conditioner body, but the heat exchanging capacity is limited. Furthermore, in the conventional configuration shown in Patent Document 2, since the suction nozzle is disposed between the air filter and the top grid, if the size of the main body of the indoor unit is constant, the height of the heat exchanger is high. The size in the vertical direction is further limited as compared with Patent Document 1. Here, increasing the size of the heat exchanger increases the heat exchange capacity and improves the performance of the air conditioner body, but the size of the heat exchanger in the height direction is limited. The heat exchange capacity will be limited.

  Then, an object of this invention is to provide the air conditioner which improves the main body performance of an air conditioner, without changing the magnitude | size of an air conditioner main body.

  In order to solve the conventional problem, an air conditioner of the present invention is an air conditioner in which a heat exchanger and an air filter are mounted inside an indoor unit, and the projected area on the upper surface of the indoor unit is An opening having an area of 1/10 to 9/10 is provided.

  Thus, by providing an opening having an area of 1/10 to 9/10 with respect to the projected area on the upper surface of the indoor unit, the total area due to the width of the top grid itself is reduced, and the heat exchange capability Is not limited.

  ADVANTAGE OF THE INVENTION According to this invention, the air conditioner which improves a main body performance can be provided by enlarging the heat exchange capability of a heat exchanger, without changing the magnitude | size of an air conditioner main body.

  A first aspect of the present invention is an air conditioner in which a heat exchanger and an air filter are mounted inside an indoor unit, and has an opening area that is 1/10 to 9/10 with respect to a projected area on the top surface of the indoor unit. By providing the round portion, the total area due to the width of the top grid itself is reduced, and the heat exchange capacity is not limited.

  In the second invention, in particular, in the first invention, since the size of the opening has an area of 7/10 to 9/10 with respect to the projected area on the upper surface of the indoor unit, the width of the top grid is itself This will further reduce the total area, and the heat exchange capacity will not be limited.

  In particular, the third invention includes a suction nozzle that moves along the air filter and removes and sucks dust adhering to the air filter in the second invention, and the suction nozzle includes a suction nozzle in a space formed by the opening. By moving part of the heat exchanger, it is possible to arrange the heat exchanger without restricting the size of the heat exchanger, and thus the heat exchange capacity is not restricted.

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

(Embodiment 1)
FIG. 1 is a cross-sectional view of a substantially central portion of an air conditioner according to a first embodiment of the present invention, FIG. 2 is a top view of the air conditioner, and FIG. 4 is a projection view seen from the top of the air conditioner, and FIG. 5 is a characteristic diagram showing a change in the intake air inflow amount in a change in the opening area of the air conditioner.

  The basic configuration of the embodiment of the present invention will be described based on FIG. 1 and FIG. 1 and 2, an indoor unit 1 of an air conditioner has a blower casing 8 that is configured around a blower fan 7 inside the indoor unit 1, and heats from the front to the top and rear of the blower fan 7. An exchanger 6 is configured, and an air filter 5 is provided from the front to the top of the heat exchanger 6, and the suction grill 3 is configured on the front side of the air filter 5 disposed on the front. An opening 11 is formed on the upper surface of the indoor unit 1 corresponding to the top of the apex 13 of the heat exchanger 6. Therefore, in the top view of FIG. 2, the air filter 5 is visible through the opening 11.

  In the above configuration, since there is no top grid in the space formed by the openings 11, the total area due to the width of the top grid itself is reduced, and the heat exchange capability of the heat exchanger 6 is reduced. There is no limit.

  Next, a specific configuration of the opening will be described below with reference to FIGS.

  3 and 4, the opening 11 is configured to have an area of 1/10 to 9/10 of the projected area 12 on the upper surface of the indoor unit. Here, FIG. 3 shows an area where the opening 11 is 9/10 with respect to the projected area 12 on the upper surface of the indoor unit, and FIG. 4 shows an area where the opening 11 is 1/10 with respect to the projected area 12 on the upper surface of the indoor unit. Is. Reference numeral 10 denotes a top grid.

  In FIG. 5, the horizontal axis represents the opening area / the projected area on the upper surface of the indoor unit, and the vertical axis represents the air inflow amount. In FIG. 5, it can be seen that the amount of air inflow increases when the opening area / the projected area on the upper surface of the indoor unit is 1/10 or more. This is because the air inflow amount is affected by the area of the top grid 10. Further, it can be seen that the air inflow amount is further increased by setting the opening area / projected area on the upper surface of the indoor unit to 3/10 or more.

  With the above configuration, by providing the opening 11 having an area of 1/10 to 9/10 with respect to the projected area on the upper surface of the indoor unit, the amount of air passing through the opening 11 is increased, and the heat exchanger The main body performance of the air conditioner can be improved by increasing the amount of air subjected to heat exchange 6. Note that if the opening area / projected area on the upper surface of the indoor unit is less than 1/10, the amount of air inflow begins to decrease suddenly, and stabilization of the main body performance cannot be achieved. Further, if the projected area on the opening area / upper surface of the indoor unit exceeds 9/10, the indoor unit 1 may be deformed in the installed state of the indoor unit 1 due to insufficient strength of the outer member of the indoor unit 1. The projected area on the opening area / upper surface of the indoor unit should not exceed 9/10.

(Embodiment 2)
6 is a cross-sectional view of a central portion of an air conditioner according to a second embodiment of the present invention, FIG. 7 is a cross-sectional view of a storage portion of a suction nozzle of the air conditioner, and FIG. 8 is an upper surface of the air conditioner. FIG. 9 is a right side view of the air conditioner.

  6 to 9, the same components as those in the first embodiment are given the same reference numerals, and description thereof is omitted.

  The difference from the first embodiment described above is that a suction nozzle 4 that moves along the air filter 5 and removes and sucks dust adhering to the air filter 5 is provided, and the suction nozzle 4 does not face the air filter 5. A storage section 2 is provided for storing the suction nozzle 4 in a stopped state at the position. In addition, an upper portion 4 a that is a part of the suction nozzle 4 is movable in a space formed by the opening 11. The size of the opening part 11 is a configuration having an area of 7/10 to 9/10 of the projected area 12 on the upper surface of the indoor unit.

  Since the configuration of the suction nozzle 4 is also disclosed in the above-described Patent Document 2, an automatic air filter cleaning configuration of the suction nozzle 4 will be described, although not shown. An air filter 5 that removes dust from the air passing through the heat exchanger is supported and fixed to the filter frame, and a suction nozzle 4 that is movable along the surface of the air filter 5 is provided. The suction nozzle 4 can be smoothly moved to the left and right with an extremely narrow gap from the air filter 5 by guide rails installed at the upper and lower ends of the filter frame. Dust adhering to the air filter 5 is sucked from the suction nozzle 4. Further, a suction duct is connected to the suction nozzle 4, and the suction duct is further connected to a suction device. The suction duct is formed of a duct that can be bent so as not to interfere with the movement of the suction nozzle. Further, an exhaust duct is connected to the suction device, and the suction device is routed outside the room. The dust of the air filter 5 sucked by the suction nozzle 4 is discharged to the outside through the suction duct, the suction device, and the exhaust duct.

  In the indoor unit 1 of the air conditioner configured as described above, the upper part 4a which is a part of the suction nozzle 4 is movable in the space formed by the opening 11, in other words, suction Since there is no top grid at the place where the nozzle 4 moves, if the size of the main body of the indoor unit 1 is constant, the heat exchanger 6 is arranged without restricting the size of the heat exchanger 6 in the height direction. That is, the heat exchange capacity is not limited. Therefore, in the embodiment of the present invention, the main body performance of the air conditioner can be improved without changing the size of the air conditioner main body.

Further, at least a part 2a of the storage portion 2 for storing the suction nozzle 4 is made to protrude by being configured to protrude with respect to the surface surrounded by the ridge line on the outer periphery of the upper surface 1a of the indoor unit 1 of the air conditioner. The upper part 4a of the suction nozzle 4 can be raised in the vertical direction using the space. Therefore, it becomes possible to raise the surface of the air filter 5 located in the lower part of the upper part 4a of the suction nozzle 4, and the space for housing the heat exchanger 6 inside the indoor unit 1 of the air conditioner can be expanded.
Accordingly, the size of the heat exchanger 6 can be increased, and the main body performance can be improved without changing the size of the indoor unit 1 of the air conditioner.

  Further, the storage portion 2 for storing the suction nozzle 4 is formed by projecting a part 2 a of the upper surface of the storage portion 2, and the storage portion 2 is formed by directly surrounding the upper portion 4 a of the suction nozzle 4 with the storage portion 2. The size of the part 2a of 2 can be minimized and the main body can be compactly assembled.

  Further, a part 2 a of the storage unit 2 is provided at a position away from the ridgeline of the upper surface 1 a of the indoor unit 1 toward the center of the indoor unit 1, and the storage unit 2 independent of the upper surface 1 a of the indoor unit 1 is provided. A part 2a can be formed, and the appearance can be maintained without destroying the size image of the indoor unit 1.

  Further, a wall 3a is provided from the suction grill 3 at a position where the suction nozzle 4 being driven in the left and right driving range A of the suction nozzle 4 cannot be seen from the front through the opening 11 of the upper surface 1a of the indoor unit 1. 5 The appearance of the indoor unit 1 during automatic cleaning can be maintained.

  Further, the side corresponding to the apex portion 13 of the heat exchanger 6 is constituted by the air filter 5 and the rail frame 9 for the air filter, and the heat exchanger 6 having the maximum length is provided within the limited height of the main body 1. Therefore, the performance of the heat exchanger 6 can be improved.

  According to the above embodiment, it is possible to improve the main body performance of the air conditioner 1 without changing the size of the air conditioner body 1.

  The air conditioner of the present invention can also be applied to other air conditioners equipped with a filter device.

Sectional drawing of the air conditioner in Embodiment 1 of this invention Top view of the air conditioner Projection view from the top of the air conditioner Projection view from the top of the air conditioner Characteristic chart showing change of intake air inflow amount in change of opening area of air conditioner Sectional drawing by the BB line of FIG. 8 of the air conditioner in Embodiment 2 of this invention Sectional drawing by CC line of FIG. 8 of the air conditioner Top view and front view of the air conditioner Right side view of the air conditioner

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Indoor unit 1a Upper surface 2 Storage part 2a Part 3 Suction grill 3a Wall 4 Suction nozzle 4a Upper part 5 Air filter 6 Mature exchanger 7 Blower fan 8 Blower casing 9 Air filter rail frame 10 Top surface grid 11 Opening part 12 Projection Area 13 Vertex

Claims (3)

An air conditioner having a heat exchanger and an air filter mounted inside an indoor unit, comprising an opening having an area of 1/10 to 9/10 with respect to a projected area on the upper surface of the indoor unit. A featured air conditioner. The air conditioner according to claim 1, wherein the size of the opening has an area of 7/10 to 9/10 with respect to a projected area on the upper surface of the indoor unit. 3. A suction nozzle that moves along an air filter and removes and sucks dust adhering to the air filter, and a part of the suction nozzle moves in a space formed by an opening. The air conditioner described.

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